| 1. |
- van Laere, Joeri, et al.
(författare)
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Challenges for critical infrastructure resilience : Cascading effects of payment system disruptions
- 2017
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Ingår i: Proceedings of the 14th ISCRAM Conference. - Linköping : Linköping university. ; , s. 281-292, s. 281-292, s. 281-292
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Konferensbidrag (refereegranskat)abstract
- Critical infrastructures become more and more entangled and rely extensively on information technology. A deeper insight into the relationships between critical infrastructures enables the actors involved to more quickly understand the severity of information technology disruptions and to identify robust cross-functional mitigating actions. This study illustrates how and why disruptions in the payment system in Sweden could create cascading effects in other critical infrastructures with potentially severe consequences for many citizens, government institutions and companies. Data from document studies, interviews and workshops with field experts reveal seven challenges for collective cross-functional critical infrastructure resilience that need to be dealt with: 1) Shortage of food, fuel, cash, medicine; 2) Limited capacity of alternative payment solutions; 3) Cities are more vulnerable than the countryside; 4) Economically vulnerable groups in society are more severely affected; 5) Trust maintenance needs; 6) Crisis communication needs; 7) Fragmentation of responsibility for critical infrastructures across many actors.
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| 2. |
- Najjar Azali, Negin, 1992-, et al.
(författare)
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On the Need of BIM Implementation in the Historical Buildings Renovation : An Analytical KMS-based Approach Toward Upgrading the Existing Renovation Design Methods to the Building Information Model in Iran
- 2016
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Konferensbidrag (refereegranskat)abstract
- BIM (Building Information Modeling) is the new trend in accordance with the management of the information related to building design and construction; some countries such as Denmark, Singapore and the United Kingdom have mandated the implementation of BIM method for their public construction projects and considered BIM documentation/implementation as a part of their national regulations/codes. So far, there is not such a ground rule/platform in Iran to provide and improve public construction/design contracts based on BIM implementation. This gap makes the management of the generated associated knowledge difficult to capture and eventually would not support the needed effective dissemination of the prospect knowledge. Particularly the practical implementation, the associated knowledge acquisition, and application of BIM remain a major issue, in our case for the renovation projects in Iran, although the related software are in common usage. The ultimate goal of this paper is to gain a more acute perspective into the implementation of Building Information Modeling (BIM) through the renovation of the cultural/historic places/buildings and the related innovative operational approach, addressing various projects around the world by developing a conceptual model as a Knowledge Management System (KMS); it reveals that BIM adaptation for public historical renovations in Iran which not only helps to mitigate the Knowledge Management problems but also attract global actors to participate in the mentioned field beside the platform development of the KM. The establishment of the KMS and the associated dynamism must be through the core management approach and strategy of the contributing enterprises, providing the human, financial and material resources to the process; additionally, it is essential to capture and systematized generated information and knowledge throughout the lifecycle of the renovation projects. The methodology is based on a literature review of the BIM-oriented renovation investigating of the actual projects and the development of a conceptual model toward fulfilling the gap of the key management factors such as indecisive sustainability, weak project execution, unclear or divergent project goals, lack of funding or resources, lack of design and renovation standards, etc. By implementation of BIM as a knowledge-based approach in the renovation of historical and cultural projects, our conceptual model uses BIM as an information exchange framework to manage knowledge in renovation project. The paper concludes with a potential broad discussion of suggestions supporting the adaptation of BIM at the renovation stage of historical projects in Iran based on the research findings.
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| 3. |
- Alklind Taylor, Anna-Sofia, 1975-, et al.
(författare)
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Guardian Angel : Using Lighting Drones to Improve Traffic Safety, Sense of Security, and Comfort for Cyclists
- 2023
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Ingår i: Lecture Notes in Computer Science. - Cham : Springer. - 9783031480461 - 9783031480478 ; , s. 209-223
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Konferensbidrag (refereegranskat)abstract
- Active mobility, such as biking, faces a common challenge in Swedish municipalities due to the lack of adequate lighting during the dark winter months. Insufficient lighting infrastructure hinders individuals from choosing bicycles, despite the presence of well-maintained bike paths and a willingness to cycle. To address this issue, a project has been undertaken in the Swedish municipality of Skara for an alternative lighting solution using drones. A series of tests have been conducted based on drone prototypes developed for the selected bike paths. Participants were invited to cycle in darkness illuminated by drone lighting and share their mobility preferences and perception. This paper summarizes the users’ perception of drone lighting as an alternative to fixed lighting on bike paths, with a special focus on the impact on travel habits and the perceived sense of security and comfort. Most participants were regular cyclists who cited bad weather, time, and darkness as significant factors that deterred them from using bicycles more frequently, reducing their sense of security. With drone lighting, the participants appreciated the illumination’s moonlight-like quality and its ability to enhance their sense of security by illuminating the surroundings. On the technology side, they gave feedback on reducing the drone’s sound and addressing lighting stability issues. In summary, the test results showcase the potential of drone lighting as a viable alternative to traditional fixed lighting infrastructure, offering improved traffic safety, sense of security, and comfort. The results show the feasibility and effectiveness of this innovative approach, supporting transformation towards active and sustainable mobility, particularly in regions facing lighting challenges.
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| 4. |
- Hooshyar Yousefi, Bahram, Senior Lecturer, 1977-, et al.
(författare)
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Integration of BIM and IoT in the Building Heritage : A KM Conceptual Framework
- 2018
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Ingår i: Landscape in Transition. - Tehran : IFLA, Middle East. - 9786220005025 ; , s. 11-23
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Konferensbidrag (refereegranskat)abstract
- The current progress in the field of Building Informa on Modeling (BIM) and the new possibili es facilitated by IoT (Internet of Things) pla orms could contribute to the stream of the integra ng improvement of the knowledge-based built heritage management. In this paper, ُthe concept of integra on of BIM and IoT would appear as a process of coordina on of all phases under a proper knowledge-based strategic approach. The op mal provided model would eventually be essen al to integrate common sub-processes grounded on the developed BIM-IoT principles/model. The eventual model has been conceptualized through the correspondence of BIM with WSN (Wireless Sensors Network) as the central management brain of the opera on and maintenance of the buildings referring to the sustainability concept and conducts as a Knowledge Management System (KMS).
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| 5. |
- Flores-García, Erik, et al.
(författare)
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Characterizing Digital Dashboards for Smart Production Logistics
- 2022
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Ingår i: Advances in Production Management Systems. Smart Manufacturing and Logistics Systems: Turning Ideas into Action. - Cham : Springer Nature Switzerland AG. - 9783031164101 - 9783031164118 ; , s. 521-528, s. 521-528
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Konferensbidrag (refereegranskat)abstract
- Developing digital dashboards (DD) that support staff in monitoring, identifying anomalies, and facilitating corrective actions are decisive for achieving the benefits of Smart Production Logistics (SPL). However, existing literature about SPL has not sufficiently investigated the characteristics of DD allowing staff to enhance operational performance. This conceptual study identifies the characteristics of DD in SPL for enhancing operational performance of material handling. The study presents preliminary findings from an ongoing laboratory development, and identifies six characteristics of DD. These include monitoring, analysis, prediction, identification, recommendation, and control. The study discusses the implications of these characteristics when applied to energy consumption, makespan, on-time delivery, and status for material handling. The study proposes the prototype of a DD in a laboratory environment involving Autonomous Mobile Robots.
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| 6. |
- Fornlöf, Veronica, 1984-, et al.
(författare)
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On-Condition Parts Versus Life Limited Parts : A Trade off in Aircraft Engines
- 2016
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Ingår i: Current Trends in Reliability, Availability, Maintainability and Safety. - Cham : Encyclopedia of Global Archaeology/Springer Verlag. - 9783319235967 - 9783319235974 ; , s. 253-262
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Konferensbidrag (refereegranskat)abstract
- Maintaining an aircraft engine is both complex and time consuming since an aircraft is an advanced system with high demands on safety and reliability. Each maintenance occasion must be as effective as possible and the maintenance need to be executed without performing excessive maintenance. The aim of this paper is to describe the essence of aircraft engine maintenance and to point out the potential for improvement within the maintenance planning by improving the remaining life predictions of the On-Condition parts, i.e. parts that are not given a fixed life limit.
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| 7. |
- Galar, Diego, et al.
(författare)
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Big Data in Asset Management : Knowledge Discovery in Asset Data by the Means of Data Mining
- 2016
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Ingår i: Proceedings of the 10th World Congress on Engineering Asset Management (WCEAM 2015). - Cham : Springer. - 9783319270623 - 9783319270647 - 3319270648 ; , s. 161-171
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Konferensbidrag (refereegranskat)abstract
- Assets are complex mixes of complex systems, built from components which, over time, may fail. The ability to quickly and efficiently determine the cause of failures and propose optimum maintenance decisions, while minimizing the need for human intervention is necessary. Thus, for complex assets, much information needs to be captured and mined to assess the overall condition of the whole system. Therefore the integration of asset information is required to get an accurate health assessment of the whole system, and determine the probability of a shutdown or slowdown. Moreover, the data collected are not only huge but often dispersed across independent systems that are difficult to access, fuse and mine due to disparate nature and granularity. If the data from these independent systems are combined into a common correlated data source, this new set of information could add value to the individual data sources by the means of data mining. This paper proposes a knowledge discovery process based on CRISP-DM for failure diagnosis using big data sets. The process is exemplified by applying it on railway infrastructure assets. The proposed framework implies a progress beyond the state of the art in the development of Big Data technologies in the fields of Knowledge Discovery algorithms from heterogeneous data sources, scalable data structures, real-time communications and visualizations techniques.
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| 8. |
- Linnéusson, Gary, et al.
(författare)
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In Need for Better Maintenance Cost Modelling to Support the Partnership with Manufacturing
- 2016. - 1
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Ingår i: Current Trends in Reliability, Availability, Maintainability and Safety. - Cham : Springer. - 9783319235967 - 9783319235974 ; , s. 263-282
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The problem of maintenance consequential costs has to be dealt with in manufacturing and is core of this paper. The need of sustainable partnership between manufacturing and maintenance is addressed. Stuck in a best practice thinking, applying negotiation as a method based on power statements in the service level agreement, the common best possible achievable goal is put on risk. Instead, it may enforce narrow minded sub optimized thinking even though not intended so. Unfortunately, the state of origin is not straightforward business. Present maintenance cost modelling is approached, however limits to its ability to address the dynamic complexity of production flows are acknowledged. The practical problem to deal with is units put together in production flows; in which downtime in any unit may or may not result in decreased throughput depending on its set up. In this environment accounting consequential costs is a conundrum and a way forward is suggested. One major aspect in the matter is the inevitable need of shift in mind, from perspective thinking in maintenance and manufacturing respectively towards shared perspectives, nourishing an advantageous sustainable partnership.
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| 9. |
- Da Lio, Mauro, et al.
(författare)
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Exploiting Dream-Like Simulation Mechanisms to Develop Safer Agents for Automated Driving The "Dreams4Cars" EU Research and Innovation Action
- 2017
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Ingår i: 2017 IEEE 20th International Conference on Intelligent Transportation Systems (ITSC). - : IEEE. - 9781538615263 - 9781538615270
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Konferensbidrag (refereegranskat)abstract
- Automated driving needs unprecedented levels of reliably and safety before marked deployment. The average human driver fatal accident rate is 1 every 100 million miles. Automated vehicles will have to provably best these figures. This paper introduces the notion of dream-like mechanisms as a simulation technology to produce a large number of hypothetical design and test scenarios - especially focusing on variations of more frequent dangerous and near miss events. Grounded in the simulation hypothesis of cognition, we show here some principles for effective simulation mechanisms and an artificial cognitive system architecture that can learn from the simulated situations.
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| 10. |
- Atif, Yacine, 1967-, et al.
(författare)
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Cyber-Threat Intelligence Architecture for Smart-Grid Critical Infrastructures Protection
- 2017
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Konferensbidrag (refereegranskat)abstract
- Critical infrastructures (CIs) are becoming increasingly sophisticated with embedded cyber-physical systems (CPSs) that provide managerial automation and autonomic controls. Yet these advances expose CI components to new cyber-threats, leading to a chain of dysfunctionalities with catastrophic socio-economical implications. We propose a comprehensive architectural model to support the development of incident management tools that provide situation-awareness and cyber-threats intelligence for CI protection, with a special focus on smart-grid CI. The goal is to unleash forensic data from CPS-based CIs to perform some predictive analytics. In doing so, we use some AI (Artificial Intelligence) paradigms for both data collection, threat detection, and cascade-effects prediction.
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