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Sökning: WFRF:(Wallin Johanna 1981)

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1.
  • Andrei, Mariana, 1981-, et al. (författare)
  • Exploring a decarbonization framework for a Swedish automotive paint shop
  • 2024
  • Ingår i: Renewable & sustainable energy reviews. - : Elsevier. - 1364-0321 .- 1879-0690. ; 200
  • Tidskriftsartikel (refereegranskat)abstract
    • The automotive industry is the world’s largest manufacturing activity, characterized by complex productionprocesses and some energy-intense processes which use a significant quantity of raw materials. The production processes responsible for the highest energy end-use take place in the paint shop. Depending on the type of paintshop processes, the energy use can account for up to 75 % of the plant’s total energy end-use. This study aims to contribute to an enhanced understanding of the complexity of adopting decarbonization measures and to provide support for planning and decision-making in practice. By adopting a bottom-up perspective, a longitudinal case study was conducted on a state-of-the-art automotive paint-shop between November 2019 and March 2023. To achieve the study’s aim, a bottom-up methodology was developed comprising several steps: i) analysis of decarbonization measures, ii) mapping of process energy use and CO2 emissions, and iii) economic analysis. The data-based methodology is flexible and can be applied in different automotive paint-shops. Main findings show that i) incremental energy efficiency measures have the fastest adoption level, with relatively high savings potential,and most of these are cost effective; ii) radical process innovation measures have a higher savings potential, but long-term adoption levels due to the radical innovations required in the supply chain, and the highly specialized knowledge needed in the pre-treatment process; and iii) the primary drivers for implementing the measures are to achieve the climate targets and establish a leading position in the sector, rather than focusing primarily on the cost-effectiveness of the measures.
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2.
  • Eckerström, Marie, 1981, et al. (författare)
  • Sahlgrenska Academy Self-reported Cognitive Impairment Questionnaire (SASCI-Q) - a research tool discriminating between subjectively cognitively impaired patients and healthy controls.
  • 2013
  • Ingår i: International psychogeriatrics / IPA. - 1741-203X. ; 25:3, s. 420-430
  • Tidskriftsartikel (refereegranskat)abstract
    • ABSTRACT Background: Subjective cognitive impairment (SCI) is a potential early marker for actual cognitive decline. The cognitive manifestation of the SCI stage is, however, largely unknown. Self-report instruments developed especially for use in the SCI population are lacking, and many SCI studies have not excluded mild cognitive impairment and dementia. We developed and tested a patient-based questionnaire on everyday cognitive function aiming to discriminate between patients with subjective, but not objective, cognitive impairment and healthy controls. Methods: Individuals experiencing cognitive impairment were interviewed to generate a pool of items. After condensing to 97 items, we tested the questionnaire in 93 SCI patients seeking care at a memory clinic (age M = 64.5 years, Mini-Mental State Examination (MMSE) M = 29.0) and 50 healthy controls (age M = 69.6 years, MMSE M = 29.3). Further item reduction was conducted to maximize that remaining items would discriminate between SCI patients and controls, using a conservative α level and requiring medium to high effect sizes. Internal consistency reliability and convergent validity was subsequently examined. Results: Forty-five items discriminated between the groups, resulting in the Sahlgrenska Academy Self-reported Cognitive Impairment Questionnaire (SASCI-Q). Internal consistency was high and correlations to a single question on memory functioning were of medium to large sizes. Most remaining items were related to the memory domain. Conclusion: The SASCI-Q discriminates between SCI patients and healthy controls and demonstrates satisfying psychometric properties. The instrument provides a research method for examining SCI and forms a foundation for future examining which SCI symptoms predict objective cognitive decline. The cognitive manifestation of the SCI stage is mostly related to experiences of memory deficits.
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4.
  • Hallstedt, S.I. 1969, et al. (författare)
  • MATERIAL CRITICALITY METHOD-PRODUCT VULNERABILITY FROM A SUSTAINABLE BUSINESS PERSPECTIVE
  • 2016
  • Ingår i: DS 84: Proceedings of the DESIGN 2016 14th International Design Conference. - 1847-9073. ; , s. 221-230
  • Konferensbidrag (refereegranskat)abstract
    • A novel method is presented, including a material criticality list and sustainability compliance index. The method aims to support an estimation of the vulnerability of a product concept due to material criticality and strategically guide early design decisions. A jet engine component design team evaluated the method. It was understood that the method increased communication and clarification regarding material criticality. Further, it became apparent that the method provided a collaboration link between the design team and the business development team.
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5.
  • Halvorsen, Peter, et al. (författare)
  • Health-related quality of life after surviving intensive care for COVID-19 : a prospective multicenter cohort study
  • 2023
  • Ingår i: Scientific Reports. - : Springer Nature. - 2045-2322. ; 13:1
  • Tidskriftsartikel (refereegranskat)abstract
    • In survivors of severe coronavirus disease 2019 (COVID-19) incomplete mental and physical recovery may considerably impact daily activities and health-related quality of life (HRQoL). HRQoL can be evaluated with the RAND-36 questionnaire, a multidimensional instrument that assesses physical and mental aspects of health in eight dimensions. The objective was to investigate HRQoL in intensive care patients previously treated for COVID-19 at three Nordic university hospitals, in a prospective multi-center cohort study. HRQoL was measured using RAND-36, 3-9 months after discharge from intensive care units (ICU). One hospital performed a second follow-up 12 months after discharge. A score under the lower limit of the 95% confidence interval in the reference cohorts was considered as significantly reduced HRQoL. We screened 542 and included 252 patients. There was more than twice as many male (174) as female (78) patients and the median age was 61 (interquartile range, IQR 52-69) years. Hypertension was the most common comorbidity observed in 132 (52%) patients and 121 (48%) patients were mechanically ventilated for a median of 8 (IQR 4-14) days. In RAND-36 physical functioning, physical role functioning, general health (p < 0.001 for all) and social functioning (p < 0.05) were below reference, whereas bodily pain, emotional role functioning and mental health were not. In a time-to-event analysis female sex was associated with a decreased chance of reaching the reference HRQoL in the physical function, bodily pain and mental health dimensions. Higher body mass index was found in the physical functioning dimension and hypertension in the physical functioning, vitality and social functioning dimensions. Similar results were seen for diabetes mellitus in general health, vitality and mental health dimensions, as well as pulmonary illness in the physical role functioning dimension and psychiatric diagnosis in the social functioning dimension. Mechanical ventilation was associated with a decreased likelihood of achieving reference HRQoL in the bodily pain and physical functioning dimensions. Patients treated in an ICU because of COVID-19 had lower HRQoL 3-9 months after ICU discharge than 95% of the general population. Physical dimensions were more severely affected than mental dimensions. Female sex and several comorbidities were associated with a slower rate of recovery.
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6.
  • Nilsson, Susanne, et al. (författare)
  • Re-thinking Innovation Measurement to Manage Innovation-Related Dichotomies in Practice
  • 2012
  • Ingår i: proceedings of the Continuous Innovation Network Conference – CINet 2012, Rome, Italy, September 17-18. - Rome, Italy : CINet. ; , s. 886-904
  • Konferensbidrag (refereegranskat)abstract
    • Innovation performance measurement has developed from focusing on issues of control and monitoring towards a more supportive role for managers on a strategic, informative and motivational level. Despite its potential to facilitate innovation management measuring provides a challenge in practice not the least when a company has the ambition to manage both radical and incremental innovation. This paper, based on literature review with empirical illustrations from three case studies, argues that these issues derives from the need to manage a number of dichotomies which are present due to the essential differences associated to each type of innovation. These dichotomies are related to time, uncertainty, flexibility and control. The implications on the design and use of an innovation performance measurement system are explored and analyzed through the lens of dichotomies. The study contributes to the innovation measurement theory and provides basis for an analytical framework aiming to support the design and implementation of innovation performance measurement in practice.
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8.
  • Wallin, Johanna, 1981, et al. (författare)
  • Bridging the gap between university and industry: Three mechanisms for innovation efficiency
  • 2014
  • Ingår i: International Journal of Innovation and Technology Management. - 0219-8770 .- 1793-6950. ; 11:1
  • Tidskriftsartikel (refereegranskat)abstract
    • A key challenge for competence networking is the difficulty of contextual understanding between people from different organizations. Despite close collaboration, full insight into a company is difficult, although desirable, for university partners to achieve and vice versa. The case study described in this paper is of a company with long experience of university-industry collaboration. The paper reports on a designerly approach to overcome barriers of university-industry collaboration. The approach is combined with strategic, tactic and operational dimensions. It builds on three corresponding mechanisms: a tool to facilitate strategic understanding, workshops to facilitate tactical co-creation, and prototyping to facilitate operational ideation. © World Scientific Publishing Company.
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9.
  • Wallin, Johanna, 1981 (författare)
  • Developing Capability for Product-Service System Innovation: An Empirical Study in the Aerospace Industry
  • 2013
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The manufacturing industry is transforming in order to meet global competition and offer greater value to customers. The companies are not only selling products, but also increasingly adding various types of industrial services (e.g. maintenance services, monitoring systems, engineering services, leasing etc). These product-service systems (PSS) are integrated offers that include both products and services. Such combinations are viewed as a way to increase customer value, increase profit, create closer ties with the customers and increase sustainability by taking responsibility for the product throughout its lifecycle. However, for manufacturing companies increased focus on service integration means new challenges because customer value is not only created through the physicalproducts, but also with services, software and new business models. Thus, PSS innovation challengesorganizations that have traditionally focused on product innovation. Successful transition into PSS innovation calls for development of PSS innovation capabilities such as improved ability for customer co-creation and facilitation of cross-functional innovation. The development of PSS innovation capability require a coordinated change of established practices, involves new ways of working, new collaborations and new methods, since service innovation principally differs in character fromproduct innovation. This research has studied how to do this and how to develop the capability for PSS innovation. This research is based on longitudinal empirical studies at GKN Aerospace Engine Systems, where a four year industrial PhD project has been undertaken. Through the use of qualitative methods such as interviews, observations and workshops, empirical data has beencollected from both the military business side (where the company is engine OEM) and the commercial business side (where the company develops components in partnership with the engine OEM).The importance of collaboration between different areas and with customers is well reported in PSS literature; whereas this research provides insights on how to support collaboration for PSS innovation. In particular it describes how the different time perspectives related to products versus services affects the collaboration for PSS. Also described are the methodologies to use in PSSdevelopment that systematically support the creation of new PSS innovation offers. The establishment of a collaboration network and supportive methodology leads to the development of capability in the company. This research presents how PSS innovation capability develops through the establishment of routines and activities in early phases of PSS development.
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10.
  • Wallin, Johanna, 1981, et al. (författare)
  • Developing PSS Concepts from Traditional Product Sales Situation: The Use of Business Model Canvas
  • 2013
  • Ingår i: Proceedings of the 5th CIRP International Conference on Industrial Product-Service Systems, Bochum, Germany, April 14th-15th, 2013. - Bochum, Germany : Lecture Notes in Production Engineering. Springer, Berlin.. ; , s. 263-274
  • Konferensbidrag (refereegranskat)abstract
    • In recent years there has been growing interest in utilizing a product-service system (PSS) approach when developing products and services in order to arrive at a business model focused on selling function or availability instead of physi-cal products. However, the complex nature of PSS development has left many manufacturers still struggling to arrive at PSS concepts out of their traditional product sales situation in early design phases. The purpose of this paper is to propose an approach using the Business Model Canvas which could help manufacturers in the transition towards PSS development by articulating key business elements in developing and analyzing PSS concepts evolving from their traditional product sales situation. The paper presents preliminary findings from the aerospace industry and discusses the evolution of key business elements for PSS concepts from traditional product sales situation using the Business Model Canvas. Finally, the potential benefits of using the Business Model Canvas in a PSS context are discussed.
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