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1.	Sundell, Jonas, 1984, et al. (författare) Economic valuation of hydrogeological information when managing groundwater drawdown 2019 Ingår i: Hydrogeology Journal. - : Springer Science and Business Media LLC. - 1431-2174 .- 1435-0157. ; 27:4, s. 1111-1130 Tidskriftsartikel (refereegranskat)abstract © 2019, The Author(s). A procedure is presented for valuation of information analysis (VOIA) to determine the need for additional information when assessing the effect of several design alternatives to manage future disturbances in hydrogeological systems. When planning for groundwater extraction and drawdown in areas where risks—such as land subsidence, wells running dry and drainage of streams and wetlands—are present, the need for risk-reducing safety measures must be carefully evaluated and managed. The heterogeneity of the subsurface calls for an assessment of trade-offs between the benefits of additional information to reduce the risk of erroneous decisions and the cost of collecting this information. A method is suggested that combines existing procedures for inverse probabilistic groundwater modelling with a novel method for VOIA. The method results in (1) a prior analysis where uncertainties regarding the efficiency of safety measures are estimated, and (2) a pre-posterior analysis, where the benefits of expected uncertainty reduction deriving from additional information are compared with the costs for obtaining this information. In comparison with existing approaches for VOIA, the method can assess multiple design alternatives, use hydrogeological parameters as proxies for failure, and produce spatially distributed VOIA maps. The method is demonstrated for a case study of a planned tunnel in Stockholm, Sweden, where additional investigations produce a low number of benefits as a result of low failure rates for the studied alternatives and a cause-effect chain where the resulting failure probability is more dependent on interactions within the whole system rather than on specific features.
2.	Sundell, Jonas, 1984, et al. (författare) Comprehensive risk assessment of groundwater drawdown induced subsidence 2019 Ingår i: Stochastic Environmental Research and Risk Assessment. - : Springer Science and Business Media LLC. - 1436-3240 .- 1436-3259. ; 33:2, s. 427-449 Tidskriftsartikel (refereegranskat)abstract © 2019, The Author(s). We present a method for risk assessment of groundwater drawdown induced land subsidence when planning for sub-surface infrastructure. Since groundwater drawdown and related subsidence can occur at large distances from the points of inflow, the large spatial extent often implies heterogeneous geological conditions that cannot be described in complete detail. This calls for estimation of uncertainties in all components of the cause-effect chain with probabilistic methods. In this study, we couple four probabilistic methods into a comprehensive model for economic risk quantification: a geostatistical soil-stratification model, an inverse calibrated groundwater model, an elasto-plastic subsidence model, and a model describing the resulting damages and costs on individual buildings and constructions. Groundwater head measurements, hydraulic tests, statistical analyses of stratification and soil properties and an inventory of buildings are inputs to the models. In the coupled method, different design alternatives for risk reduction measures are evaluated. Integration of probabilities and damage costs result in an economic risk estimate for each alternative. Compared with the risk for a reference alternative, the best prior alternative is identified as the alternative with the highest expected net benefit. The results include spatial probabilistic risk estimates for each alternative where areas with significant risk are distinguished from low-risk areas. The efficiency and usefulness of this modelling approach as a tool for communication to stakeholders, decision support for prioritization of risk reducing measures, and identification of the need for further investigations and monitoring are demonstrated with a case study of a planned railway tunnel in Varberg, Sweden.
3.	Brusselaers, Nicolas, 1993- (författare) The impact of off-site construction transport on air quality 2023 Bok (refereegranskat)abstract While transport is inevitable in our economy and daily lives, it also engenders negative effects on the society and environment. The effects of air pollution are responsible for more than 364,200 premature deaths in Europe each year. Most urban areas still exceed the NOx and PM WHO air quality guidelines, of which a large share of pollutants is attributable to freight transport. The construction sector forms no exception, as it intrinsically strongly relies on off-site logistics activities, i.e. transports to and from sites. Although construction works lead to an urban economic uptake on the long-haul, the environmental nuisances from construction logistic (CL) activities during the works have so far been overlooked. This thesis focuses on the air quality impact of off-site construction transport, covering four main parts. First, as there is a lack of knowledge within cities on how to set construction transport demands and how to involve actors in these processes, a stakeholder framework is presented. Next, I identify the available and required transport data (and digitization possibilities) to assess the sector’s environmental impact, such as On-Board Units. Secondly, impact assessments were conducted across various construction supply chain implementations, on single-site, city-wide and national level. Hence, a methodological approach to derive construction-related vehicles from Heavy-Goods Vehicle (HGV) traffic based on algorithmic and geospatial analyses is proposed. Results indicate that construction transport represents 26.40% of total HGV traffic in the Brussels-Capital Region (BCR), generating €45,631.85 of external costs per workday, and 17.58% in Belgium (or €1.45mio per day). Subsequently, the framework was deployed to assess the transport performance of the multimodal Brussels Construction Consolidation Centre. The use of this setup can mitigate external costs by up to 59% compared to business-as-usual operations, most notably on congestion and climate change costs. However, improvements are necessary to tackle local emissions, attributable to less performant -yet ubiquitous- vessel engines. Air pollution damage costs also remain high on city level analyses, with CL inflicting €55,123.07 per month (or €2,505.59 per workday) in the BCR. A fortiori, with the growing concern on urban air quality, this raises the question of where, when and by whom the most exposure costs are inflicted. So far, the geo-temporal link between the emitting freight vehicle and its receptor densities was considered static. The third part introduces a dynamic impact-pathway approach, highlighting that PM & NO2 source impacts engender €61.604 of health costs in the BCR each day. Large differences were found on the local level compared to the traditional static approach, indicating that the proposed dynamic methodology should be used for micro-scale analyses (on link, building or neighborhood level). Striking is that vulnerable population segments such as toddlers, school children and elderly, who are more sensible to the effects of air pollution, incur 60.28% of the total health costs, although these segments represent only a quarter of the BCR population. Moreover, a strong overlap was found between the receptor’s presence (in particular children) and peak freight traffic movements. The fourth part investigates the exposure effects when off-site construction transport flows are spatiotemporally rerouted around air pollution hotspots. Although an increase in emissions is observed due to higher travelled distances and slower driving speeds, results show that the inflicted health costs can be mitigated up to 25.53%. Conclusively, this study suggests to decouple policies from absolute transport emissions and focus on the actual health impact, considering the spatiotemporal relationship of both emissions and receptors. Although tailoring a one-size-fits-all construction logistic plan can initially prove to be difficult due to the unique character of each construction site’s supply chain, the conducted studies also show that this individual complexity can be overcome by overall better integrated urban transport planning, and can ultimately lead to significant sustainability benefits.
4.	Dymitrow, Mirek, et al. (författare) Crossing dichotomies and breaking mental patterns: Green business development when all else fails? 2017 Ingår i: 8th International Scientific Conference “Rural Development 2017: Bioeconomy Challenges”, 23–24 November, 2017 Kaunas, Lithuania. Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract Obtaining sustainable and inclusive societal organization is not merely a simple matter of ‘doing it’ by subscribing to some winning formula. Given that conceptual frameworks always guide our thoughts, judgments and actions (Latour, 2013; Harvey, 1996; Dennett, 1993), the ways in which we relate to concepts chosen to serve as guiding forces for future development will eventually determine its outcome. As scholarly evidence continuously suggests the concepts ‘rural’ and ‘urban’ are increasingly recognized as artificial barriers for conducting sound and integrated development endeavors in a globalized reality of interconnectedness. In line with the Sustainable Development Goals, which aim to eradicate poverty, shield the planet and safeguard prosperity for all, commitment to universal access to healthy food year round has become an important agenda point. This, however, has been exacerbated by binary thinking and separate ways of doing policy. This paper aims to share experiences from a unique project launched in the northern parts of Gothenburg, Sweden’s second largest city. While the area offers ample resources and immense opportunities for areal economies, it at the same time remains one of Gothenburg’s most segregated, with high levels of unemployment, ill health and crime. The uniqueness of the project lies not only in its way of abridging the rural-urban divide, but also by consciously deferring from the debilitating rhetoric of previous ‘immigrant policies’, and instead focusing on agricultural productivity, small-scale food producers and sustainable food strategies. Such exhortations to bridge between philosophical and material polarities, however, have not come without conceptual and practical challenges, something this paper aims to subsume and open up to debate.
5.	Bulletin of Geography. Socio-Economic Series (Volume 40) 2018 Ingår i: Bulletin of Geography. Socio-Economic Series (De Gruyter). - 1732-4254 .- 1732-4254. ; 40:40, s. 1-196 Annan publikation (övrigt vetenskapligt/konstnärligt)abstract This 40th anniversary issue of BGSS highlights some of the tenets of the complexity that make sustainability a ‘wicked problem’ through a number of different perspectives, many of which have to date been pushed into the background amidst an otherwise exceptionally rich geographical literature on sustainability. The editorial task included procurement, administration and scientific processing of 12 articles from 25 authors as follows: (1) Mirek Dymitrow, Keith Halfacree – “Sustainability–differently”; (2) Slobodan Arsovski, Michał Kwiatkowski, Aleksandra Lewandowska, Dimitrinka Jordanova Peshevska, Emilija Sofeska, Mirek Dymitrow – “Can urban environmental problems be overcome? The case of Skopje—world’s most polluted city”; (3) Janis Birkeland – “Challenging policy barriers in sustainable urban design”; (4) Elizabeth Dessie – “Applying resilience thinking to ‘ordinary’ cities: A theoretical inquiry”; (5) Madeleine Eriksson, Aina Tollefsen – “The production of the rural landscape and its labour: The development of supply chain capitalism in the Swedish berry industry”; (6) Stina Hansson – “The role of trust in shaping urban planning in local communities: The case of Hammarkullen, Sweden”; (7) Shelley Kotze – “The place of community values within community-based conservation: The case of Driftsands Nature Reserve, Cape Town”; (8) Davide Marino, Luigi Mastronardi, Agostino Giannelli, Vincenzo Giaccio, Giampiero Mazzocchi – “Territorialisation dynamics for Italian farms adhering to Alternative Food Networks”; (9) E. Gunilla Almered Olsson – “Urban food systems as vehicles for sustainability transitions”; (10) George Mark Onyango – “Urban public transport in informal settlements: Experiences from Kisumu City, Kenya”; (11) Christian M. Rogerson – “Informality and migrant entrepreneurs in Cape Town’s inner city”; (12) Marcin Wójcik, Karolina Dmochowska-Dudek, Pamela Jeziorska-Biel, Paulina Tobiasz-Lis – “Understanding strategies for overcoming peripherality: A Polish experience of transition”. The articles have been reviewed by a cadre of 40 reviewers from 34 academic institutions across 14 countries.
6.	Stenis, Jan, 1960-, et al. (författare) Flow analysis and economic modelling theory 2018 Ingår i: 18th International Multidisciplinary Scientific GeoConference and Mining Ecology Management, SGEM 2018. - Sofia : International Multidisciplinary Scientific Geoconference. - 9786197408485 ; , s. 389-394 Konferensbidrag (refereegranskat)abstract This study shows how material and immaterial flows can be analysed. The basis for the analysis is the equality principle and its mathematical expression the EUROPE model (the model for Efficient Use of Resources for Optimal Production Economy) which creates economic incentives to improve nature, advance the technological standard and increase profits. Particularly, the flows of cargo transportation, mega city supplies, long distance water transportation and various substance flows are described. The theoretical findings show viability for in general improving material and immaterial flows as well as the economy, the technological standard and the living conditions in the geographical regions in question. It is concluded that The EUROPE model based on the equality principle is in theory applicable on transportation policy issues, supplies to major cities, long distance water supply and important substance flows. In general, it is recommended to apply the EUROPE model when undertaking projects involving: transportation, mega city supply; transportation of water over long distances, and; flows of various substances.
7.	Belin, Matts-Åke, 1966-, et al. (författare) Vision Zero : a road safety policy innovation 2012 Ingår i: International Journal of Injury Control and Safety Promotion. - : Informa UK Limited. - 1745-7319 .- 1745-7300. ; 19:2, s. 171-179 Tidskriftsartikel (refereegranskat)
8.	Praetorius, Gesa, et al. (författare) Resilience and complexity in a maritime service supply chain's everyday operation 2016 Ingår i: Service Supply Chain Systems. - London : CRC Press. - 9781138028296 - 9781315682143 ; , s. 121-137 Bokkapitel (refereegranskat)abstract The maritime transport system is one of the major means for transporting goods as safely, efficiently and environmentally friendly as possible. In this system, ports rep-resent hubs connecting maritime to other transport modes such as railway, road and aviation. Therefore ports and their services can be considered as critical bottlenecks where operations need to be sustained in a large variety of operating conditions. This chapter presents an analysis of the Vessel Traffic Service (VTS), a maritime shore-based information service which is part of a port’s infrastructure. VTS is a key service in guar-anteeing safe, fluent and efficient traffic flows in and out of a port, therefore making it a crucial part of a port’s ability to provide a constant service performance despite the large uncertainties that are inherent to maritime operations. Functional Resonance Analysis Method (FRAM) is used to build a functional model of the VTS to analyse the system design and its impact on the service supply chain’s ability to operate in a resilient manner, i.e. being able to sustain required operations prior, during and after disturbances or changes of operating conditions. While the chapter focuses on the mar-itime domain, it also provides an example on how a function-based approach can be used to understand and design service supply chains with a focus on how they achieve successful adaption to the large variety of operating conditions.
9.	Belitz-Hellwich, Wiebke (författare) An Ontology-Based Platform for Information Integration : Supporting Sustainable Smart Transportation Infrastructure 2023 Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract Transportation and transportation infrastructure are major contributors to global emissions. Even though most of these emissions can be attributed to fuel consumption of vehicles, some of it is due to pavement construction and maintenance. Improving the condition and extending the life span of transportation infrastructure is an integral part to helping reduce infrastructure related emissions. A better understanding of mutual effect of traffic and infrastructure condition is needed to reach this goal. In this thesis the aim is to synchronize logistics operations and pavement condition in a port environment. For this purpose, a logistics simulation model and a Finite Element (FE) model are connected through a system of ontologies, that facilitate information exchange between the models. The suggested approach consists of two connected ontologies (one for logistics operations and one for pavements), interfaces between the models and the ontologies, as well as an application that runs the exchange. Additionally, performance tests have been carried out to judge the impact of the integration on run time of the individual applications.
10.	Cano-Viktorsson, Carlos, 1977- (författare) From Maps to Apps : Tracing the Organizational Responsiveness of an Early Multi-Modal Travel Planning Service 2015 Ingår i: The Journal of urban technology. - London : Taylor & Francis. - 1063-0732 .- 1466-1853. ; 22:4, s. 87-101 Tidskriftsartikel (refereegranskat)abstract An Internet-based system for informing on multimodal travel planning (several modes of transportation) was introduced in Stockholm, Sweden in October 2000 in the form of a web page called trafiken.nu. The web page has a historical value of being one of the first attempts in Europe, and possibly the world, at providing an ICT-based travel planning service geared towards facilitating sustainable travel to the general public. The aim of this article is to investigate the historical development of trafiken.nu in order to draw lessons on how to better provide for a public information service with a potential for facilitating sustainable travel planning. Findings from the study of trafiken.nu suggest that the organizations behind the service have been slow in adapting to shifting media technology practices on how to provide for information which has affected the uptake of the service. Lessons from the case study provide a basis for arguing that organizations attempting to implement public information services would benefit from finding a means of harnessing collective intelligence in order to provide for a more customizable and responsive service to the general public.
11.	Ribeiro, Luis, et al. (författare) Industrial Agents for the Fast Deployment of Evolvable Assembly Systems 2015. - 1st ed. Ingår i: Industrial Agents. - Amsterdam, Netherlands : Elsevier. - 9780128003411 ; , s. 301-321, s. 301-322 Bokkapitel (refereegranskat)abstract The current manufacturing scenario is characterized by high market unpredictability. Agility is therefore a central challenge for modern companies that need to understand and be proactive towards their product offer in respect to “what is offered, when it is offered, where, how and by whom” (Brown & Bessant 2003).The “what” and the “when” are particularly relevant to the research in emerging paradigms as they account for variety, customization and volume; and timing, speed and seasonality (Brown & Bessant 2003).In this scenario, several design approaches and models have been proposed in the last decade to enable re-configurability and subsequently enhance the companies’ ability to adjust their offer in nature and time.From a paradigmatic point of view research has concentrated on the organizational structure of the shop-floor and the associated controls aspects. Concepts like Reconfigurable Manufacturing Systems (RMS) (Koren & Shpitalni 2010) and Fractal Factories (FF) (Montreuil 1999) support the physical construction of production systems by regulating their layout and making a few assumptions on their logical organization. On the other hand, concepts like Bionic Manufacturing Systems (BMS)(Ueda 1992), Holonic Manufacturing Systems (HMS)(Van Brussel et al. 1998), Evolvable Assembly Systems (Ribeiro et al. 2010) essentially provide the theoretical guidelines for the logical/computational organization of the system (see (Tharumarajah 1996) for a comparison between BMS, HMS and FF and (Setchi & Lagos 2004) for the rationale supporting the shift from Dedicated Lines to Flexible Manufacturing System and finally RMS).While these paradigms provide the conceptual framework and the main design guidelines their actual interpretation and implementation has led to a wider set of architectures (Monostori, Váncza & Kumara 2006; Leitão 2009; Parunak 2000; Pěchouček & Mařík 2008).These architectures align the high-level principles with the technological offer and limitations while seeking to address the re-configurability requirements of (Mehrabi, Ulsoy & Koren 2000; Rösiö & Säfsten 2013):module mobility – modules are easy and quick to move and install;“diagnosability” – it is quick to identify the sources of quality and reliability problems;“integrability” – modules are easy to integrate into the rest of the system.“convertibility” – it is easy and quick to switch between existing products and it is easy to adapt the system to future products;scalability – it is easy to enlarge and downsize the production system;“automatibility” – a dynamic level of automation is enabled;modularity – all system elements are designed to be modular;customization – the capability and flexibility of the production system is designed according to the products to be produced in the system.Instant deployment, as addressed in the present chapter directly addresses mobility, “integrability”, “convertibility”, scalability and customization. Mechatronic modularity is a prerequisite and is enforced by the proposed architecture and the considered modular design. “Diagnosability” was not specifically tackled.In this context, the chapter analyses the agent-based architecture related with the Instantly Deployable Evolvable Assembly System (IDEAS) project that is inspired by the Evolvable Assembly System (EAS) paradigm (Ribeiro et al. 2010) as a mechanism to enable fast deployment of mechatronic modules. EAS advocates the use of process-oriented modules and envisions the production system as a collection of processes and the associated interacting agents.The architecture and the related test cases are used to draw the main lessons learned in respect to technological and conceptual implications.In this context, the remainder of this text is organized as follows: section 1.1 discusses the main deployment challenges, section 1.2 details the reference architecture and associated concepts, section 1.3 presents the principal implementation decisions, section 1.4 features the main lessons learned, sections 1.5 discusses the benefits of the proposed approach and finally section 1.6 reflects on the main conclusions.
12.	Vinas, Victor, 1988, et al. (författare) Cross-connections in drinking water distribution networks: Quantitative microbial risk assessment in combination with fault tree analysis and hydraulic modelling 2022 Ingår i: Science of the Total Environment. - : Elsevier BV. - 0048-9697 .- 1879-1026. ; 831 Tidskriftsartikel (refereegranskat)abstract Deficiencies in drinking water distribution networks, such as cross-connections, may lead to contamination of the drinking water and pose a serious health risk to consumers. Cross-connections and backflows are considered among the most severe public health risks in distribution networks. The aim of this paper was to provide a framework for estimating the risk of infection from cross-connection and backflow events. Campylobacter, norovirus, and Cryptosporidium were chosen as reference pathogens for this study. The theoretical framework was constructed based on the fault tree analysis methodology. National aggregated cross-connection incident data was used to calculate the probability of a contamination event occurring in Swedish networks. Three risk cases were evaluated: endemic, elevated, and extreme. Quantitative microbial risk assessment (QMRA) was used to assess daily risk of infection for average national estimates. The framework was also evaluated using local data from the Gothenburg network. The daily risk of infection from cross-connection and backflow events in Swedish networks was generally above an acceptable target level of 10−6 for all reference pathogens and modelled cases; the exception was for the Gothenburg system where the risk was lower than 10−7. An outbreak case study was used to validate the framework results. For the outbreak case study, contaminant transport in the network was simulated using hydraulic modelling (EPANET), and risk estimates were calculated using QMRA. The outbreak simulation predicted between 97 and 148 symptomatic infections, while the epidemiological survey conducted during the outbreak reported 179 cases of illness. The fault tree analysis framework was successfully validated using an outbreak case study, though it was shown on the example of Gothenburg that local data is still needed for well-performing systems. The framework can help inform microbial risk assessments for drinking water suppliers, especially ones with limited resources and expertise in this area.
13.	Ståhle, Alexander, et al. (författare) Designguide för Smarta gator 2022 Bok (övrigt vetenskapligt/konstnärligt)abstract Designguiden för smarta gator konkretiserar hur de fyra megatrenderna urbanisering, digitalisering, samhällsförändringar och miljöförändringar leder till nya krav och utformningsprinciper för framtidens gator. Guiden är tänkt att fungera som en inspiration och ett underlag för att förnya svensk gatupolicy på nationell, regional och kommunal nivå.Guiden innehåller utöver en inledning följande kapitel: en historisk tillbakablick (gatans utveckling), gatans användning, gatans delar, gatans design, designprocessen, guidens genomförande.
14.	Thunberg, Micael, 1986-, et al. (författare) Categorising on-site problems : A supply chain management perspective on construction projects 2017 Ingår i: Construction Innovation. - : Emerald Group Publishing Limited. - 1471-4175 .- 1477-0857. ; 17:1, s. 90-111 Tidskriftsartikel (refereegranskat)abstract Purpose - This study aims to identify and categorise common on-site problems from a supply chain management (SCM) perspective and to trace the origin of these problems in the construction project process, the supply chain or in the intersection between these processes. This allows for identification of how on-site problems affect SCM in construction projects and how they can be mitigated. Design/methodology/approach - A literature review in combination with semi-structured interviews was used to identify on-site problems. This enabled triangulation and strengthened both construct validity and internal validity. Findings - On-site problems can be categorised in one of the four following categories: material flows, internal communication, external communication or complexity. The first category has its origin in the supply chain, the second in the construction project process, the third in the supply chain-construction process intersection on site and the fourth in the construction project as a whole. The findings conclude that on-site problems often originate from construction companies' lack of supply chain orientation. Research limitations/implications - It is suggested that supply chain planning (SCP) can facilitate on-site problem mitigation in construction project management. This extends the body of knowledge of SCP in construction project management and supports the development of effective on-site construction project management. Practical implications - The results show that SCP can aid construction project management in handling on-site problems earlier in the project process. Originality/value - The main value lies in extending the body of knowledge in construction project management research by applying an SCM perspective and by introducing SCP to support more effective construction project management.
15.	Kumar, P., et al. (författare) Chapter 15 - Ultrafine Particles Pollution and Measurements 2016 Ingår i: Comprehensive Analytical Chemistry. - : Elsevier. - 9780444636058 ; , s. 369-390 Bokkapitel (refereegranskat)
16.	Forsemalm, Joakim, 1973, et al. (författare) Urban Qualities: ett kunskapsområde 2013 Rapport (övrigt vetenskapligt/konstnärligt)abstract Den här kunskapsöversikten är ett försök att utkristallisera relevant forskning såväl som praktisk kunskap för Mistra Urban Futures om urbana kvaliteter. Översikten är kopplad till ett arbete som genomförts under vår och höst 2011 med syfte att skapa underlag för den Strategiska plan som utgör grunden för Mistra Urban Futures planering och aktiviteter. Under våren 2011 arbetade sex grupper med varsitt kunskapsfält – urbana kvaliteter, urban förändring (”transitions”), urbana kulturer, urbana rättigheter, urban tillgänglighet och urban uthållighet. Tanken var att dessa skulle utgöra de sex bärande fokusområdena för centrets verksamhet. Sedermera kom dessa sex områden att slås ihop till tre - FAIR, GREEN och DENSE – vilka nu utgör de tre övergripande problem- och kunskapsområdena för Mistra Urban Futures.
17.	Zhang, Chi, et al. (författare) Spatial-Temporal-Spectral LSTM: A Transferable Model for Pedestrian Trajectory Prediction 2023 Ingår i: IEEE Transactions on Intelligent Vehicles. - : IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. - 2379-8858 .- 2379-8904. Tidskriftsartikel (refereegranskat)abstract Predicting the trajectories of pedestrians is critical for developing safe advanced driver assistance systems and autonomous driving systems. Most existing models for pedestrian trajectory prediction focused on a single dataset without considering the transferability to other previously unseen datasets. This leads to poor performance on new unseen datasets and hinders leveraging off-the-shelf labeled datasets and models. In this paper, we propose a transferable model, namely the “Spatial-Temporal-Spectral (STS) LSTM” model, that represents the motion pattern of pedestrians with spatial, temporal, and spectral domain information. Quantitative results and visualizations indicate that our proposed spatial-temporal-spectral representation enables the model to learn generic motion patterns and improves the performance on both source and target datasets. We reveal the transferability of three commonly used network structures, including long short-term memory networks (LSTMs), convolutional neural networks (CNNs), and Transformers, and employ the LSTM structure with negative log-likelihood loss in our model since it has the best transferability. The proposed STS LSTM model demonstrates good prediction accuracy when transferring to target datasets without any prior knowledge, and has a faster inference speed compared to the state-of-the-art models. Our work addresses the gap in learning knowledge from source datasets and transferring it to target datasets in the field of pedestrian trajectory prediction, and enables the reuse of publicly available off-the-shelf datasets.
18.	Cullinane, Kevin (författare) Targeting the Environmental Sustainability of European Shipping: The Need for Innovation in Policy and Technology 2014 Rapport (övrigt vetenskapligt/konstnärligt)abstract At their Summit meeting in Gothenburg in June 2001, Europe’s heads of state and government reached agreement on a European strategy for sustainable development. The social and economic dimensions of the Lisbon strategy were complemented by an environmental dimension. Thus, the Gothenburg Summit represents a breakthrough for sustainable development in the European Union (EU). The University of Gothenburg and Chalmers University of Technology made a commitment to serve, through the joint Centre for Environment and Sustainability (GMV), as a hub for research and scientific follow up of the EU sustainable development strategy. In order to fulfill this commitment, the two universities have established a European Panel for Sustainable Development (EPSD), together with Lund University. In addition, individual members from other universities and research institutes contribute to the work of the Panel. The Centre for Environment and Sustainability (GMV) in Gothenburg is the lead organization in the EPSD. The first report produced by the Panel in 2004 was “From Here to Sustainability – Is the Lisbon/Gothenburg Agenda Delivering?” This was put forward as an independent contribution from academics to the mid-term review of the Lisbon strategy for growth, competitiveness and jobs. The second report “Make the Kok-report sustainable” was produced by the EPSD as a reflection on, and a response to, the mid-term review on the Lisbon strategy chaired by the former Prime Minister of the Netherlands, Wim Kok. The third report “Towards a Smart Growth Strategy for Sustainable Development” aimed to contribute to the re-launch of the EU sustainable development strategy. It contained a critical assessment of “A Platform for Action”, the proposal for an updated strategy put forward by the European Commission. The fourth report “TAKING CHILDREN SERIOUSLY – How the EU can Invest in Early Childhood Education for a Sustainable Future” presented research on children’s interest and ability to understand questions on the social, economic and environmental dimensions of sustainable development. The present report “Targeting the Environmental Sustainability of European Shipping: The Need for Innovation in Policy and Technology” has emerged from a background survey with the aim of mapping what is being done on sustainable shipping within the European Union. A wide scope of strategic EU policy sectors and documents, including existing directives, legislation and regulations on shipping were scrutinized to describe the actual knowledge framework. The background study defines areas where new research could contribute in closing knowledge gaps, and gives a compilation of directives and policy documents concerning sustainable shipping in a European perspective. Based on a definition of sustainable shipping that include all three pillars of sustainable development, the present report presents a holistic view and strategies for achieving a sustainable shipping industry. The report provides scientifically based knowledge of various aspects that affect sustainability at sea, such as particles, greenhouse gases, ship wrecks, ship recycling, and intermodality, as well as a comprehensive overview and updates on regulations. These various areas are presented as separate chapters and solid recommendations are presented on future actions (on EU and international level) to make the shipping industry in Europe a sustainable business. The main author of the report was Prof. Kevin Cullinane, Edinburgh Napier University, UK. The separate chapters in the report were written by Lars Barregård, University of Gothenburg, Erik Fridell, Hulda Winnes, IVL Swedish Environmental Research Institute (Particle emission from ships); Hannes Johnson 1 , Chalmers University of Technology (GHG Emissions and the Energy Efficiency Gap in Shipping); Peter Domini, Stena Metall (Ship Recycling: A Global Issue); Lars Barregård, University of Gothenburg (The Health Risks Associated with the Ship Breaking Industry); Ida-Maja Hassellöv, Chalmers University of Technology (Potentially Polluting Shipwrecks); Abhinayan Basu Bal, University of Gothenburg (Sustainable Intermodal Transport with Short Sea Shipping in the EU); A number of researchers and knowledgeable persons have constituted a reference group and further contributed to the report: Katarina Gårdfeldt, Maria Svane, Dan Strömberg, and Jonas Norrman, GMV, Gothenburg; Karin Andersson, Björn Södahl, Josefin Borg, and Oliver Lindqvist, Chalmers University of Technology; Lars Göran Malmberg, Johan Boman, Johan Woxenius, and Mattias Hallquist, University of Gothenburg, Christer Forsgren, Stena Metall; Anders Carlberg, Vgregion; Carl Carlsson, Swedish Shipowners Association, and Axel Wenblad, Former GD National Board of Fisheries. Dan Strömberg, and Maria Svane, University of Gothenburg, have been invaluable during the course of the project and as editors of the publication. The report has been endorsed by the EPSD. Bo Samuelsson Chairman of EPSD
19.	Lindholm, Maria, et al. (författare) Slutrapport Sendsmart 2014 Rapport (övrigt vetenskapligt/konstnärligt)
20.	Stojanovski, Todor, 1976- (författare) The Morphological Effect of Public Transportation Systems on Cities : Urban Analysis of Transit-Oriented Development (TOD) in Swedish Cities 2015 Konferensbidrag (övrigt vetenskapligt/konstnärligt)
21.	Tåg i tid(en) 2019 Konstnärligt arbeteabstract Med anledning av att Linköpings universitet (LiU) Campus Norrköping 17–20 juni stod som värd för den internationella järnvägskonferensen RailNorrköping 2019, anordnade Campus Norrköpings bibliotek utställningen Tåg i tid(en) 15 maj–15 september. Konferensen hade fokus på planering och styrning av järnvägar och avhandlade bl.a. avreglering av järnvägstrafik, tidtabellsforskning och optimering av tidtabeller. Utställningen speglade konferensens innehåll vilket illustrerades i sju tematiska stationer utplacerade i biblioteket. Via olika medier och presentationstekniker framhöll och diskuterade utställningen på olika sätt hur tågtransport påverkar samhället, infrastrukturen, klimatet, miljön, ekonomin och individen. Det gick bl.a. att läsa om pågående regionala projekt för höghastighetståg, icke-statliga organisationers syn på hållbar transport och olika typer av forskningresultat inom området. Utställningen invigdes med en temadag i biblioteket som innehöll bl.a. föreläsningar, tågresor i VR-glasögon och frågesport. Genom att arrangera en utställning såsom denna såg biblioteket en möjlighet att dels anknyta till allmänintresset för järnvägstrafik och att dels lyfta fram konferensen RailNorrköping 2019 samt Campus Norrköpings forskningsinsatser på området. Förhoppningen var att bidra till större kunskap och ett större intresse för studiefältet hos både studenter och övriga i det för allmänheten öppna universitetsbiblioteket
22.	Adl-Zarrabi, Bijan, 1959, et al. (författare) Safe and Sustainable Coastal Highway Route E39 2016 Ingår i: Transportation Research Procedia. - : Elsevier BV. - 2352-1465 .- 2352-1457. ; 14, s. 3350-3359 Konferensbidrag (refereegranskat)abstract The project “Coastal Highway Route E39” have a mandate to, investigate how infrastructure can exploit renewable energy to reduce environmental footprint. Three PhD projects were initiated on this subject at Chalmers University of Technology by Norwegian public road administration. Results in this paper conclude that (1) Life Cycle Assessment should have a geographical dimension with respect to assumptions and input data, (2) there are substantial potential to reduce the CO2 emissions from the E39, especially when considering an electrification, and (3) the harvested energy from hydronic pavement system can be enough for maintaining ice-free roads in Nordic countries.
23.	Estévez Mauriz, Laura, 1982 (författare) The urban form and the sound environment - Tools and approaches 2017 Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract Cities are always confronted with transition and adaptation. Awareness on urban environmental quality is leading the vision about the built environment’s resilience and sustainability, highlighting the importance of a multidisciplinary framework for urbanisation processes. One of the main concerns is the negative impact of outdoor noise due to road traffic, whereby controlling the sound environment through good quality spatial production is a priority. Europe and other parts of the world are experiencing a chronic traffic congestion problem. The environmental impact of this situation is overwhelming, where 90 % of the health impact due to noise exposure is estimated to be caused by road traffic noise. In this regard, noise maps are seen as a powerful tool in the development of new urban areas, where its noise level underestimation can endanger the wellbeing of citizens. At this rapid urbanisation, divided pronouncements on decision-making are devastating. The aim is to overcome negative aspects derived from a late intervention by including urban sound planning as an opportunity to the user’s experience and wellbeing, avoiding poor patches in the urban configuration and economical burden. The present work is committed to the development of tools for controlling, communicating and designing the sound environment on a level beyond today’s solutions, capable to be included at the early stages of the planning process. First, the study goes through the importance of the quiet side and the implementation of an engineering method as a powerful tool in the urban development, obtaining accurate results compared to measurements. In an attempt to study time variations of traffic within cities and its relevance regarding noise emission (normally overlooked in current noise mapping calculations), a microscopic road traffic modelling tool is developed in the second study, giving useful output for noise level predictions as function of time. The time-pattern analysis opens the possibility to test traffic configurations and explore a large variety of results in the form of descriptors as statistical indicators, calm periods and noise events, and outcomes as difference maps and contribution maps. The third study extends toward the evaluation of the effects of spatial heterogeneity (considered a key strategy to increase the liveability of spaces) on the environmental performance and resilience capacity of the transportation system through the study of noise pollution and its economic impact. The studies presented are using real case scenarios as a test-bed not only for implementation, but mainly for the development of tools.
24.	Kickert, Conrad Christiaan, et al. (författare) Surveying density, urban characteristics, and development capacity of station areas in the Delta Metropolis 2014 Ingår i: Environment and Planning B: Planning and Design. - : SAGE Publications. - 2399-8083 .- 2399-8091 .- 0265-8135 .- 1472-3417. ; 41, s. 69-92 Tidskriftsartikel (refereegranskat)abstract The combination of growing mobility needs and dwindling transportation budgets in the Dutch Delta Metropolis has raised the need for smarter use of existing public transport infrastructure. A significant portion of this smarter use may come from strengthening the ties between infrastructure improvements and transit-oriented development. To further this goal, the Delta Metropolis Association has developed SprintCity (SprintStad in Dutch), a serious game and planning support tool that engages stakeholders in transit-oriented development to explore interaction between transport and land use, as described in Bertolini’s node–place model. However, its underlying database has proven insufficient to draw conclusions regarding urban character and development capacity around stations. This paper focuses on morphological research that aims to improve this database by exploring the density and urban morphology of station areas in the Delta Metropolis beyond readily available statistics, and discusses the methodological and theoretical underpinnings of this survey. The surveying of station areas in 2010 was conducted by a team of six researchers, based on the Spacemate© methodology developed by Berghauser Pont and Haupt. The methodology allows detailed quantitative measurement of the density and spatial characteristics of clearly demarcated urban districts, defining their so-called ‘spatial fingerprint’. The resulting database of 850 districts in 55 station areas has served descriptive goals, strengthening the realism in the SprintCity game, and serves as the database for further establishing the development potential of station areas.
25.	Gschösser, Florian, et al. (författare) Hidden Ecological Potentials in the Production of Materials for Swiss Road Pavements 2012 Ingår i: Journal of Management in Engineering - ASCE. - 0742-597X. ; 27:1, s. 13-21 Tidskriftsartikel (refereegranskat)abstract Sustainability has become a major concern in the field of civil infrastructures in recent years. Developing road construction projects with lower ecological impacts over a project’s entire life cycle can help in making road infrastructure contribute to sustainable development. This study focuses on the ecological potentials in the production of road materials used in Swiss road pavements. The environmental assessment was performed using a cradle-to-gate life-cycle assessment (LCA) approach in which all processes from the raw material extraction to the finished product were considered. The comparison of the results of the best-case asphalt pavement and the standard asphalt pavement for Swiss highway construction shows ecological potentials of up to 55%. Use of the best-case concrete pavement lowers the environmental impact by up to 53% in comparison to the worst-case concrete pavement for Swiss highways. Concerning composite pavements, the best-case variant offers an ecological potential 38% higher than the standard pavement.
26.	Steins, Krisjanis (författare) Towards Increased Use of Discrete-Event Simulation for Hospital Resource Planning 2017 Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract Health care systems in many countries are experiencing a growing demand while their resources remain limited. The discrepancy between demand and capacity creates many problems – long waiting times for treatment, overcrowding in hospital wards, high workload, etc. More efficient delivery of health care services can be achieved by better planning of its resources so that the mismatch between demand and capacity is minimized. Planning health care resources, including hospital resources, is difficult due to system complexity and variability in both resource availability and demand. Discrete-event simulation and other operational research methods can be used for solving planning problems in health care, and have been gaining increased attention from researchers during recent decades. Despite the growing number of academic publications, simulation appears to be less used in health care than in other application areas and only a small proportion of simulation studies is actually implemented.The aim of this thesis is to contribute to increased use of discrete-event simulation in hospital resource planning. The separate studies regarding intensive care unit capacity planning, operating room allocation strategies and the management of emergency patient flow in a radiology department highlight both the possibilities and the requirements for practical application of discrete-event simulation in hospital resource planning. The studies are described in five papers.In the first paper, the relationship between intensive care unit (ICU) occupancy and patient outcomes was investigated and the results showed that risk adjusted mortality was higher in the group of patients who were treated during high levels of occupancy. This indicates that appropriate planning of ICU resources is necessary to avoid adverse effects on patient outcomes.In the second paper, analysis of a relatively simple care chain consisting of two hospital departments – emergency and radiology – revealed a process that was not very well defined and measured. Investigation into data availability uncovered disparate information systems storing incompatible and fragmented data. It suggests that the current degree of process orientation and the current IT infrastructure does not enable efficient use of quantitative process analysis and management tools such as simulation.In the third paper, the value and possibilities of using simulation modelling in hospital resource planning were examined through the development and use of a simulation model for improved operating room time allocation and patient flow in a hospital operating department. The model was initially used for studying overcrowding in a post-anaesthesia care unit. Advanced planning logic implemented in the model enabled evaluation of several different scenarios aiming to improve the utilization of operating room resources. The results showed that it is possible to achieve slightly better and more even resource utilization, as well as provide greater flexibility in scheduling operations.In the fourth paper, a generic ICU model was developed and validated using data from four different hospital ICUs. The model was adapted and calibrated stepwise in order to identify important parameters and their values to obtain a match between model predictions and actual data. The study showed that in presence of high quality data and well defined process logic it is possible to develop a generic ICU simulation model that could provide accurate decision support for planning critical care resources.In the fifth paper, a number of factors that can contribute to successful implementation of simulation results in health care were identified. The timing of the simulation study must be right to support a critical decision, the benefit from implementation should clearly outweigh the cost of making the necessary changes and the model should be thoroughly validated to increase the credibility of the results. Staff involvement in simulation modelling activities, availability of good quality data, as well as proper incentives to improve the system contribute to implementation as well. These findings can help in establishing the conditions for successful implementation in future applications of simulation modelling in health care.
27.	Hörteborn, Axel, 1986 (författare) Ship Behaviour and Ship Bridge Allision Analysis 2021 Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract The demand for maritime transport has increased with the growing demand for worldwide trade. This has led to a major increase in maritime traffic and ship sizes over the last decades, which raises the probability of accidents. The methods used in maritime risk assessments today are based on old hypotheses that do not include all data available today. The main objective of this thesis is to develop numerical models and methods for the analysis of what is considered as normal navigation behaviour at sea today and improve the analysis of probability for ship-bridge allisions. The first part of the thesis describes what is considered as normal meeting distance at sea today. This information is later used while identifying failure events to ensure that the event behaviour was not caused by other ships. These few cases are excluded from the methodology since the communication and situational awareness in the situations are not known. However, while studying the probability of ship-bridge accidents, it is also important to understand how waterway restrictions may affect the probability of ship-ship collisions. Therefore, this thesis also includes a study of how the improved knowledge concerning meeting distance could be used in a near ship-ship collision identification model. One of the main findings considering normal meeting distance is that small and large ships meet each other at a similar distance at sea. In the second part of the thesis, a methodology is proposed to estimate the probability of ship-bridge allision. The presented methodology uses Automatic Identification System (AIS) data and a ship manoeuvring simulator to simulate and analyse marine traffic with regards to risks for accidents, such as ship-bridge allisions. A failure event identification method is also presented, which is needed to determine the frequency, duration and behaviour for the accident scenarios. The three events that were modelled and simulated in the simulator were: drifting ship, sharp turning ship and missing turning point. The probability of the different failure events corresponded to previous statistics confirming the AIS-based methodology. This means the methods to obtain the probability and duration of the failure events could be utilised in other areas. The simulation methodology was confirmed with the probability of grounding in the Great Belt VTS area. This thesis firstly contributes to a better understanding of the modelling of probability for ship-bridge allisions. This will support bridge-building engineers who need to take into account accidental loads from ship-bridge allision while designing bridges. Secondly, this thesis also contributes to a better representation of normal behaviour at sea, which is used both in fairway designs and in estimations of ship-ship collisions.
28.	Sustainable logistics 2014 Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)
29.	Aygül, Mustafa, 1970, et al. (författare) A comparative study of different fatigue failure assessments of welded bridge details 2013 Ingår i: International Journal of Fatigue. - : Elsevier BV. - 0142-1123. ; 49:0, s. 62-72 Tidskriftsartikel (refereegranskat)abstract Five different welded joints frequently used in steel bridges have been selected to investigate the accuracy and applicability of three fatigue assessment methods. The first method, also categorised as the global method, is the nominal stress method, while the more advanced methods are the hot spot and the effective notch stress methods. Solid element based finite element models for welded bridge details were created by following the modelling requirements of each fatigue assessment method. A statistical evaluation based on the results of the finite element analyses and the fatigue test data collected from the literature was performed to determine the mean and characteristic fatigue strength. In addition, the standard deviation for each data series was also determined to conclude how well each method describes the fatigue strength of each welded detail. A method with a lower standard deviation is regarded as more accurate. Moreover, the evaluated results from each method were compared with the recommended fatigue strength values in the Eurocode 3 (EN 1993-1-9:2005) and IIW codes. In the light of the test results in this study, it appears that the codes are in reasonable agreement with the test data, even though a few examples of the opposite occurred. The conclusion based on the revised results in this article indicates that the nominal stress method yields satisfactory results, despite its simplicity. When considering the effort involved in creating FE models for numerical analysis, it seems clear that the choice of the nominal method is fairly acceptable.
30.	Blomfors, Martin, et al. (författare) Reliability analysis of corroded reinforced concrete beam with regards to anchorage failure 2019 Ingår i: Life-Cycle Analysis and Assessment in Civil Engineering. - : CRC Press/Balkema. - 9781138626331 - 9781351857574 ; , s. 337-344, s. 337-344 Konferensbidrag (refereegranskat)abstract Reinforcement corrosion is a common problem in reinforced concrete infrastructure today, and it is expected to increase in the future. To simply replace the corroded structures with new ones requires large resources, both in financial and environmental terms. Therefore it is important that existing structures are used to their full potential, also after the onset of corrosion. This paper presents a reliability study of the anchorage capacity of a reinforced concrete beam including reinforcement corrosion. The sensitivity of the different input parameters is also studied. As expected, the results show that the reliability is reduced with corrosion; the magnitude depends to a large extent on the modelling uncertainty used for the bond model for corroded reinforcement. The sensitivity analysis shows an influence of corrosion also on the sensitivities of the input parameters, which is expected based on the properties of the underlying bond model. This paper demonstrates that probabilistic evaluations give valuable insight of the reliability, which can be used to prolong the service-life of existing infrastructure and save both money and the environment.
31.	Berghauser Pont, Meta, 1972, et al. (författare) Förtätning av stationsnära områden för god tillgänglighet. Utveckling av en analys - och utvärderingsmetod 2022 Rapport (övrigt vetenskapligt/konstnärligt)abstract Det finns en vilja att förtäta i närheten av stationer för att öka användningen av kollektivtrafik och därmed minska klimatpåverkan kopplad till transpor- ter. Förtätning bidrar bland annat till att skapa levande stationssamhällen, med blandade funktioner, god tillgäng- lighet och miljöer som är trygga och vistelsevänliga där olika grupper och behov möts. Potentialerna är många men så även utmaningarna. Förtätning av stationsnära områden kan också leda till oönskade konsekven- ser för social, ekonomisk och ekologisk hållbarhet. Den här rap- porten kan förhoppningsvis ge ökad förståelse för förtätning i relation till regional tillgänglighet samt för positiva och negativa konsekvenser av förtätning i stationsnära områden. Den kan också skapa insikter om hur olika alternativ för utveckling av stations- nära områden kan värderas utifrån Agenda 2030, särskilt Mål 11: Hållbara städer och samhällen. Rapporten är framtagen inom projektet Urbana stationssamhäll- en – förtätning av stationsnära områden för god tillgänglighet (2020–2022) som finansierats av Trafikverket och bedrivits i sam- verkan mellan Urban Futures vid GMV (projektägare), Arkitektur och samhällsbyggnadsteknik vid Chalmers tekniska högskola, Gö- teborgsregionen (GR), Samhällsplanering vid Högskolan Dalarna och Samhällsplanering och miljö vid KTH.
32.	Elldér, Erik (författare) Leder förtätning till ett minskat bilresande? 2018 Ingår i: Plan. - 0032-0560. ; 2018:2-3, s. 75-78 Tidskriftsartikel (refereegranskat)
33.	Stojanovski, Todor (författare) Urban Mobility Certificates (UMCs) : Informing mobility choices, carbon emissionsand energy use from transportation 2020 Rapport (övrigt vetenskapligt/konstnärligt)abstract Urban transportation today consumes scarce resources of fossil fuels and it is a majorcause for environmental damage and accelerating climate change. To achieve sustainablemobility in the cities, it is necessary to improve energy efficiency and lower carbonemissions through the promotion of walking, cycling and especially public transportation.The urban form is a great obstacle in achieving sustainable mobility. Many Swedishcities were designed for the private automobile and they lack possibilities to walk, cycle anduse public transportation. To address this problem, this project developed and testedUrban Mobility Certificates (UMCs) or transportdeklaration in Swedish. The UMCsvisually inform sustainable mobility as integration with walking, cycling and publictransportation, estimate modal shares, transportation energy use in kWh/year/person andcarbon emission in t CO2/year/person. Visualizing this information has a potential totrigger a virtuous cycle of transforming neighborhoods, catalyzing sustainabledevelopment to better integrate walking, cycling and public transportation in Swedishneighborhoods.The UMCs produce reasonable results with acceptable errors that are common for thiskind of trip generation models. The can be used to identify unsustainable mobility inexisting neighborhoods and new developments. The UMCs directly inform sustainablemobility in a very concise form (integration, modal shares, transportation energy use inkWh/year/person and carbon emission in t CO2/year/person) and show a complex set ofurban form and accessibility factors as background for the modal shares forecasts. Bothconcise and complex information is needed to illuminate the complex link between urbanform and sustainable mobility. In addition, the methodology can be used to analyzealternative scenarios to redesign sprawling Swedish neighborhoods into more sustainableurban forms. Scenarios like mixed development, introduction of public transportation orcreating a network of walkable streets (called promenadstad in Swedish) can decreasetransportation energy use by 1000 kWh/year/person to 3000 kWh/year/person(extensions of historical urban centers) or halve the Swedish average of 6000kWh/year/person. It is very important to use the UMCs in the earliest stage of the urbanplanning and development process.Sustainable mobility is possible only if there are choices to walk, cycle and use publictransportation. To help in redesigning and redeveloping the Swedish neighborhoods thatare oriented to the automobile, this project furthermore presented a model of small andlarge Swedish city with typical neighborhoods. The application of the UMCs in Swedishplanning and development processes must be understood as a process of informing aboutlack of mobility choices and urban interventions such as introduction of walkable streets,cycling and public transportation infrastructures, mix of functions and Transit OrientedDevelopment (TOD) in typical Swedish neighborhoods.
34.	Antai, Imoh, et al. (författare) A 3-R principle for characterizing failure in relief supply chains’response to natural disasters 2015 Ingår i: Journal of Humanitarian Logistics and Supply Chain Management. - Bingley, United Kingdom : Emerald Group Publishing Limited. - 2042-6747 .- 2042-6755. ; 5:2, s. 234-252 Tidskriftsartikel (refereegranskat)abstract principle for characterizing failure in humanitarian/relief supply chains’ response to natural disasters,and describes a Bayesian methodology of the failure odds with regard to external factors that mayaffect the disaster-relief outcome, and distinctive supply chain proneness to failure.Design/methodology/approach – The suggested 3Rs combine simplicity and completeness,enclosing all aspects of the 7R principle popular within business logistics. A fixed effects logisticregression model is designed, with a Bayesian approach, to relate the supply chains’ odds for success indisaster-relief to potential environmental predictors, while accounting for distinctive supply chains’proneness to failure.Findings – Analysis of simulated data demonstrate the model’s ability to distinguish relief supplychains with regards to their disaster-relief failure odds, taking into account pertinent external factorsand supply chain idiosyncrasies.Research limitations/implications – Due to the complex nature of natural disasters and the scarcityof subsequent data, the paper employs computer-simulated data to illustrate the implementation ofthe proposed methodology.Originality/value – The 3R principle offers a simple and familiar basis for evaluating failure in reliefsupply chains’ response to natural disasters. Also, it brings the issues of customer orientation withinhumanitarian relief and supply operations to the fore, which had only been implicit within thehumanitarian and relief supply chain literature.
35.	Berling, Peter, 1973-, et al. (författare) Environmental implications of transport contract choice - capacity investment and pricing under volume and capacity contracts 2017 Ingår i: European Journal of Operational Research. - : Elsevier. - 0377-2217 .- 1872-6860. ; 261:1, s. 129-142 Tidskriftsartikel (refereegranskat)abstract Inspired by the observation that capacity contracts are used by some retailers to increase their transport provider's investments in green transport solutions, we investigate and compare a service provider's optimal investment, and its environmental implications under a volume and a capacity contract respectively. We solve the service provider's investment problem under the assumption that the retailer uses the service to replenish a warehouse with storable goods. We then show that a capacity contract leads to more green transports, but not necessarily a larger investment in green transport solutions. At the same time, the optimal solution involves heavy investment in inventory at the retailer. The investment in inventory is non-decreasing in the cost benefit of the green transports, which may have a significant negative environmental impact. The implication is that a capacity contract will lead to better environmental performance than a volume contract only when the green transports' cost benefit is within a given interval. Whether the capacity contract is the more profitable option for the service provider within this interval depends on inventory related costs and the relative environmental costs from transportation and inventory. Interestingly, owing to this, regulation that target the price of the conventional vehicles, such as a carbon tax, may lead to both an increase or a decrease in environmental performance. (C) 2017 Elsevier B.V. All rights reserved.
36.	Berling, Peter, et al. (författare) Heuristic Coordination of Decentralized Inventory Systems Using Induced Backorder Costs 2006 Ingår i: Production and operations management. - : Production and Operations Management Society, Baltimore, Md.. - 1059-1478 .- 1937-5956. ; 15:2, s. 294-311 Tidskriftsartikel (refereegranskat)abstract In this paper, we investigate a one-warehouse multiple-retailer system, where the inventory control decisions are coordinated using a near optimal induced backorder cost, β. All installations use continuous review installation-stock (R, Q) policies. The analysis builds on an approximation model where the stochastic warehouse delays are replaced by their correct averages. The contributions include insights as to how β is influenced by system parameters, and the determination of simple closed form β* estimates. The latter offering a practical means to achieve coordinated control of large size systems.
37.	Forssén, Jens, 1968, et al. (författare) Road traffic noise disease burden estimates for a model study of varying urban morphology cases 2021 Ingår i: Proceedings of INTER-NOISE 2021 - 2021 International Congress and Exposition of Noise Control Engineering. - : Institute of Noise Control Engineering (INCE). Konferensbidrag (refereegranskat)abstract In a model study containing 31 different building morphologies in an urban setting, road traffic noise exposure has been calculated and analysed. For five of the building morphologies also vegetation surfaces on facades and roofs were studied. The facade exposure levels were analysed for both smaller (single-sided) flats and larger (floor-through) flats, considering the direct exposure from the roads as well as the non-direct exposure at noise-shielded positions like inner yards, applying a noise mapping software in combination with a prediction model for the non-direct exposure. Using noise indicators Lden and Lnight, the disease burden, in terms of DALY (Disability-Adjusted Life Years) per person, was estimated and analysed, via predictions of annoyance and sleep disturbance. As general trends, perimeter blocks were shown to perform better than morphologies with less enclosed yards and densification was shown to result in improved performance, assuming a constant traffic flow. In addition, complementing the perimeter blocks with towers was shown to enable improvement. Furthermore, traffic concentration by locating all local traffic to a single road was shown to be beneficial, increasingly so by widening the road. The use of facade vegetation was shown to result in significant overall improvement.
38.	Zhang, Chi, 1992, et al. (författare) Cross or Wait? Predicting Pedestrian Interaction Outcomes at Unsignalized Crossings 2023 Ingår i: IEEE Intelligent Vehicles Symposium, Proceedings. - Anchorage, Alaska, Canada, : IEEE. - 9798350346916 - 9798350346923 Konferensbidrag (refereegranskat)abstract Predicting pedestrian behavior when interacting with vehicles is one of the most critical challenges in the field of automated driving. Pedestrian crossing behavior is influenced by various interaction factors, including time to arrival, pedestrian waiting time, the presence of zebra crossing, and the properties and personality traits of both pedestrians and drivers. However, these factors have not been fully explored for use in predicting interaction outcomes. In this paper, we use machine learning to predict pedestrian crossing behavior including pedestrian crossing decision, crossing initiation time (CIT), and crossing duration (CD) when interacting with vehicles at unsignalized crossings. Distributed simulator data are utilized for predicting and analyzing the interaction factors. Compared with the logistic regression baseline model, our proposed neural network model improves the prediction accuracy and F1 score by 4.46% and 3.23%, respectively. Our model also reduces the root mean squared error (RMSE) for CIT and CD by 21.56% and 30.14% compared with the linear regression model. Additionally, we have analyzed the importance of interaction factors, and present the results of models using fewer factors. This provides information for model selection in different scenarios with limited input features.
39.	Eriksson, David, et al. (författare) The importance of the retailer for an OEM developing innovative products 2011 Ingår i: Conradi Research Review. - : Vaasa University of Applied Sciences. - 1459-0980. ; 6:2, s. 63-81 Tidskriftsartikel (refereegranskat)abstract The supply chain strategy research has generated many frameworks for matching the supply chain with the nature of demand, market, consumers, or products. Recently many companies have implemented innovative new product development processes in order to increase revenue. However, research on the importance of the retailers for an original equipment manufacturer (OEM) adopting a leagile supply chain strategy for innovative products, is scarce. Using the case study method, this research investigates the need of collaboration between an OEM and its retailers. This research aims to richen the knowledge about demand supply chain management (DSCM), and the coordination of demand and supply processes between companies in the demand-supply chain. This research shows that there are several measures that may be used to monitor performance, and that collaboration is important for the case company.
40.	Forslund, Helena, et al. (författare) An order-to-delivery performance model for delivery scheduling environments 2008 Ingår i: Publicerad i konferensproceedings från the 20th International NOFOMA conference, Helsingfors, Finland.. ; , s. 191-206 Konferensbidrag (refereegranskat)
41.	Hilletofth, Per, et al. (författare) Coordinating new product development and supply chain management 2010 Ingår i: International Journal of Value Chain Management. - : InderScience Publishers. - 1741-5357 .- 1741-5365. ; 4:1/2, s. 170-192 Tidskriftsartikel (refereegranskat)abstract Effective implementation of the new product development (NPD) process not only enables management to coordinate the efficient flow of new products, but will also assist to support ramp-up of various supply chain activities and other related activities supporting the commercialisation of the product. Thus, companies need to address all these issues in parallel to be successful and this requires some kind of integrative product development approach. The purpose of this research is to increase the understanding of how NPD is connected to supply chain management (SCM) by investigating how the NPD process is structured and executed in two international manufacturing companies seeking to realise an innovative, predictable and efficient product development. Several essential linkages between NPD and SCM have been derived from case study findings concerning important issues for successful product development.
42.	Hilletofth, Per, et al. (författare) Coordinating new product development with supply chain management 2011 Ingår i: Industrial management & data systems. - : Emerald Group Publishing Limited. - 0263-5577 .- 1758-5783. ; 111:2, s. 264-281 Tidskriftsartikel (refereegranskat)abstract Purpose – The purpose of this paper is to form an understanding of how new product development (NPD) relates to supply chain management (SCM), why the two fields should be coordinated, and how this may be done.Design/methodology/approach – This research uses a literature review and case study research. The case study considers a Swedish company that operates on a global basis in the furniture industry. Empirical data have been collected mainly from in-depth interviews with key persons representing senior and middle management in the case company.Findings – This paper stresses the need to produce innovative, value-adding products, as well as the necessity to quickly deliver them to the market. Companies that face mature business environments may encounter problems due to a high emphasis on either the value-creation processes, or on the value delivery processes. Therefore, NPD activities need to be coordinated with SCM activities on a strategic level, lest competitiveness will be lost.Research limitations/implications – The research is limited to one case company; replication studies would enhance understanding of the studied phenomenon. There is a wide need for research exploring how various parts of demand and supply chains should be managed in order to fully utilize the advantages of the consumer-oriented enterprise.Practical implications – This paper provides insights for researchers and practitioners on how to coordinate and balance NPD (demand side) with SCM (supply side) activities. It highlights that companies should organize themselves around understanding how consumer value is created and how these processes may be coordinated to provide that value. The two processes must be given equal attention and importance to avoid sub-optimization.Originality/value – The need for coordinating NPD and SCM activities has been emphasized in the literature but still remains relatively unexplored. This paper contributes by investigating this issue further.
43.	Porathe, Thomas, 1954, et al. (författare) What is your Intention? Communicating Routes in Electronic Nautical Charts 2012 Ingår i: Procedia - Social and Behavioral Sciences. - : Elsevier BV. - 1877-0428. ; , s. 3266-3273 Konferensbidrag (refereegranskat)abstract This paper reports preliminary findings on a simulator study looking for unintended consequences of letting ships exchange routs by use of the Electronic Chart Display and Information System (ECDIS). In a prototype system tested ship's intended routes are visible to other ships, and the Vessel Traffic Service (VTS) has the ability to send suggested routes to addressed ships. Preliminary findings show positive response from professional participants in the study although some concerns were also raised.
44.	Bäckman, Therese, 1981, et al. (författare) Säkrare transporter av farligt gods genom transparent informationshantering och samverkan : Safer transport of dangerous goods by information management and collaboration 2021 Rapport (övrigt vetenskapligt/konstnärligt)abstract Farligt gods kan definieras som de ämnen och föremål som kan orsaka skada på människor, miljö och egendom om de inte hanteras på rätt sätt under transport. I förhållande till den mängd farligt gods som transporteras i Sverige inträffar förhållandevis få allvarliga olyckor. Däremot inträffar en incident med farligt gods nästan varannan dag i Sverige. Syftet med projektet är att bidra till att transporter av farligt gods kan genomföras på ett så säkert, men ändå ändamålsenligt, sätt som möjligt. Utgångspunkten är att identifiera styrkor och svagheter längs transportkedjan för att olyckor med transport av farligt gods ska kunna undvikas. Inom projektet har information och kunskap samlats in direkt från privata och offentliga aktörer i transportkedjan eller med koppling till kedjan. Detta har skett genom intervjuer, möten, fältstudier, studiebesök, workshops och konferenser samt indirekt genom bland annat litteraturgenomgångar, studier av media och regelanalyser med stöd av juridisk metod. Undersökningarna har, förutom denna rapport, resulterat i ett flertal publikationer, såsom exempelvis vetenskapliga artiklar, böcker och konferensbidrag samt olika typer av presentationer. Den kanske viktigaste kunskapsspridningen har dock skett genom en nära dialog med avnämare och genom ett ömsesidigt lärande. I denna rapport återges viktiga resultat från projektet. I kap. 2-7 återfinns en nulägesbeskrivning med tillhörande publikationer som utgör ett samlat resultat av undersökningarna som utförts under projektets gång. Nulägesbeskrivningen omfattar en beskrivning och analys av följande: • transportkedjan vid transport av farligt gods (kap. 2) • transportkedjan som en informationsmiljö (kap. 3) • regelverken rörande transport av farligt gods (kap. 4) • säkerhetsrådgivare för transport av farligt gods (kap. 5) • tillsyn för säkrare transporter av farligt gods (kap. 6) • problem och brister i transportkedjan (kap. 7) Kapitlen utgör ett underlag för att kunna formulera de åtgärdsförslag som presenteras i kap. 8. I det avslutande kap. 9 ges en utblick mot framtidens utmaningar. Det ska poängteras att det inte finns ett enda specifikt problem inom området för transport av farligt gods, utan det föreligger flera olika problem. Dessa problem kan enskilt eller i samverkan med varandra leda till risker som påverkar säkerheten negativt vid transport av farligt gods. Det är därför viktigt att riskerna minimeras, till fördel för ökad säkerhet. Det finns dock inte en enda lösning eftersom området är komplext med många aktörer och omfattande och detaljerade regelverk. Vi presenterar åtta åtgärdsområden som vi menar är särskilt viktiga och introducerar en målbild som består av en nollvision för olyckor, incidenter och tillbud vid transport av farligt gods. Nollvisionen preciseras i kap. 8. De aktuella åtgärdsområdena presenteras i kap. 8 och utgörs av: • Ökad medvetenhet • Ändamålsenliga regelverk • Rätt kompetens • Stärkt säkerhetsrådgivarroll • Informationstillgång • IT-system med samverkansförmåga • Synliggörande av dolt farligt gods • Effektiv tillsyn och kännbara konsekvenser Åtgärdsområdena innehåller en tillhörande problematisering för att sätta området i sitt sammanhang. Varje åtgärdsområde omfattar även en delvision som visar på vad just det området kan bidra med för att nå nollvisionen som framförs i projektet. Vidare ges exempel på konkreta åtgärdsförslag som har kunnat identifieras genom forskningen i projektet. Dessa åtgärdsförslag har särskilt god potential att kunna bidra till säkrare transporter av farligt gods.
45.	Eliasson, Jonas, et al. (författare) The Stockholm Congestion-Charging Trial 2006 : Overview of the effects 2009 Ingår i: Transportation Research Part A. - Amsterdam : Elsevier BV. - 0965-8564 .- 1879-2375. ; 43:3, s. 240-250 Tidskriftsartikel (refereegranskat)abstract The Stockholm congestion charging trial in 2006 demonstrated the effects of a full-scale time-differentiated urban road toll scheme. Improvements in travel times were large enough to be perceived by the general public. This was pivotal to the radical change of public attitudes that occurred during the trial and that resulted in a positive outcome of a subsequent referendum on a proposal for making the system permanent. This paper summarises the effects of the trial and analyses to what extent targets were met. Effects on congestion reduction were larger than anticipated, which also resulted in favourable economic and environmental effects. The trial showed that a single-cordon toll could affect traffic within a large area, i.e., not just close to the zone limits.
46.	Huertas, Ana, 1986- (författare) Decision support system for feeding policy selection in production settings : Research proposal 2016 Rapport (övrigt vetenskapligt/konstnärligt)abstract Competitiveness is highly important in automotive industry. Customers’ satisfaction is decisive and that has turned out in high vehicle customization. Customization implies for example that a vehicle model can include several types of engines; inferring in high engine model variety on the assembly systems. Production lines balancing and ergonomic factors within assembly operations usually trigger unbalances on the logistics resources utilization. A proper feeding policy selection can palliate the impact of the unbalances generated by the assembly operations, improve the performance of the system and reduce cost. Selection among different policies is often done by following qualitative criteria which are influenced by product structure, operational constraints, company-specific practices and tradition. This project consists of the development of a decision support system for feeding policy selection in production settings. This system will automatically select the feeding policy at a single component level and evaluate the impact brought by this decision when interacting with the production setting.
47.	Marklund, Johan, et al. (författare) Lower Bounds and Heuristics for Supply Chain Stock Allocation 2012 Ingår i: Operations Research. - : Institute for Operations Research and the Management Sciences (INFORMS). - 0030-364X .- 1526-5463. ; 60:1, s. 92-105 Tidskriftsartikel (refereegranskat)abstract Assume that in periods with stochastic demand remain until the next replenishment arrives at a central warehouse. How should the available inventory be allocated among N retailers? This paper presents a new policy and a new lower bound for the expected cost of this problem. The lower bound becomes tight as N -> infinity. The infinite horizon problem then decomposes into N independent m-period problems with optimal retailer ship-up-to levels that decrease over the in periods, and the warehouse is optimally replenished by an order-up-to level that renders zero (local) warehouse safety stock at the end of each replenishment cycle. Based on the lower bound solution, we suggest a heuristic for finite N. In a numerical study it outperforms the heuristic by Jackson [Jackson, P. L. 1988. Stock allocation in a two-echelon distribution system or what to do until your ship comes in. Management Sci. 34(7) 880-895], and the new lower bound improves on Clark and Scarf's [Clark, A. J., H. Scarf. 1960. Optimal policies for a multi-echelon inventory problem. Management Sci. 6(4) 475-490] bound when N is not too small. Moreover, the warehouse zero-safety-stock heuristic is comparable to Clark and Scarf's warehouse policy for lead times that are not too long. The suggested approach is quite general and may be applied to other logistical problems. In the present application it retains some of the risk-pooling benefits of holding central warehouse stock.
48.	PLANs forsknings- och tillämpningskonferens 2006 : effektivitet och samverkan i försörjningskedjor 2006 Proceedings (redaktörskap) (övrigt vetenskapligt/konstnärligt)
49.	Varga, Balázs, 1990, et al. (författare) Data-driven distance metrics for kriging - Short-term urban traffic state prediction 2023 Ingår i: IEEE Transactions on Intelligent Transportation Systems. - 1524-9050 .- 1558-0016. ; 24:6, s. 6268-6279 Tidskriftsartikel (refereegranskat)abstract Estimating traffic flow states at unmeasured urban locations provides a cost-efficient solution for many ITS applications. In this work, a geostatistical framework, kriging is extended in such a way that it can both estimate and predict traffic volume and speed at various unobserved locations, in real-time. In the paper, different distance metrics for kriging are evaluated. Then, a new, data-driven one is formulated, capturing the similarity of measurement sites. Then, with multidimensional scaling the distances are transformed into a hyperspace, where the kriging algorithm can be used. As a next step, temporal dependency is injected into the estimator via extending the hyperspace with an extra dimension, enabling for short horizon traffic flow prediction. Additionally, a temporal correction is proposed to compensate for minor changes in traffic flow patterns. Numerical results suggest that the spatio-temporal prediction can make more accurate predictions compared to other distance metric-based kriging algorithms. Additionally, compared to deep learning, the results are on par while the algorithm is more resilient against traffic pattern changes.
50.	Albrecht, Martin (författare) System innovation dynamics around electric vehicles. The cases of Norway, Denmark and Sweden. Annan publikation (övrigt vetenskapligt/konstnärligt)abstract This paper focuses on the comparison of electric car innovation patterns in Norway, Sweden and Denmark. Doing so, it takes a closer look at what the most essential dynamics in the systems were over time and what enabled those dynamics. The main research aim is to contribute to a wider understanding of why Norway is so much ahead of Sweden and Denmark in electric car adoption. The purpose is also to adopt a perspective that goes beyond a mere focus on economic policy instruments. In order to do so different theory elements are combined in a framework. These elements stem from the transition theory literature field, especially the technological innovation system (TIS) and the multi-level perspective (MLP). This combination allows analysing the development behind a dynamic, not just when it comes to an innovation itself but also with regards to the established regime. The data is gathered through analysis of existing documents and data as well as a series of 27 expert interviews conducted in the three case countries. The findings suggest that there are important differences in transition patterns that can account for the electric vehicle (EV) diffusion situation we can find nowadays in the three Nordic countries. An important stepping stone was the need for a very strong legitimacy of the original EV vision that is also anchored in a coordinated, sector overarching coalition of actors that thinks strategically and long term. Moreover some general beneficial dynamics could be identified across the countries in question. In Norway these beneficial dynamics can be summarised as a systems motor, in Denmark as a failed entrepreneurial motor that shifted towards a constrained municipal motor and in Sweden as a loosely, coordinated and weaker version of a systems motor.

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