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  • 1.
    Boork, Magdalena
    et al.
    RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.
    Enger, Johanna
    Lunds University, Sweden.
    Hiller, Carolina
    RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.
    Wendin, Karin
    Kristianstad University, Sweden.
    Bright Communication: Belysningskommunikation med fokus på perception och energi2019Report (Other academic)
    Abstract [en]

    In order to promote an efficient use of energyfor lighting, while putting the user's perception and light comfort in focus,this project has developed methods and tools to communicate light and lighting.To ensure that light environments are designed from a user perspective,existing definitions of light quality, which are mainly based on technicalterms, have been supplemented with concepts and definitions of visual and emotionalcharacter of light. The lighting industry and professional purchasers have beeninvolved in all phases of the project in order to develop methods and toolsthat are well-grounded and applicable by different actors involved in theprocess from light planning to the implementation of lighting environments. Lighting accounts for a significant part of the total energy use in buildings,about 20 per cent for households and 40 per cent for premises. The energysaving potential is thus high. Moreover, Europe is facing a shift towards moreenergy efficient lighting as a result of both regulations and technologydevelopment. Still, Swedish consumers tend to prefer incandescent light, as itis perceived to provide better comfort compared to modern light sources.Therefore, in order to motivate property owners and consumers to convert tomore energy-efficient products, it is necessary to focus more on the visual andemotional qualities of light. Today, however, knowledge, concepts and tools to communicateand measure visual light quality are lacking. This challenge has been the motivationand starting point for the development of methods for assessing objective andsubjective light qualities for light sources, luminaires and light environmentswithin this project and to translate the results into tools targeting theindustry. The project has developed a draft communication tool based on the humanperception of light quality. The tool aims to constitute a neutralcommunication point and to supports both the lighting industry and professionalpurchaser, and thus also the end user. By reducing misunderstandings andincreasing the consensus between actors in different parts of the process fromlight planning to implementation, the tool is expected to promote lightenvironments that are both energy-efficient and provide attractive perceptionand comfort.

  • 2.
    Landström, Anna
    et al.
    Chalmers University of Technology, Sweden.
    Andersson, Carin
    Lund University, Sweden.
    Windmark, Christina
    Lund University, Sweden.
    Almström, Peter
    Chalmers University of Technology, Sweden.
    Winroth, Mats
    Chalmers University of Technology, Sweden.
    Shahbazi, Sasha
    Mälardalen University, Sweden.
    Wiktorsson, Magnus
    Mälardalen University, Sweden.
    Kurdve, Martin
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Zackrisson, Mats
    RISE - Research Institutes of Sweden, Materials and Production, IVF, Energi och miljö.
    Ericsson Öberg, Anna
    Volvo Construction Equipment, Sweden.
    Myrelid, Andreas
    GKN Aerospace Engine Systems AB, Sweden.
    Present state analysis of business performance measurement systems in large manufacturing companies2016In: PMA Conference 2016, 2016Conference paper (Refereed)
    Abstract [en]

    The purpose of this article is to empirically investigate the present state of the performance measurement systems (PMS) at 7 sites of 6 different large Swedish manufacturing companies. The methodology has both a bottom-up and a top-down perspective. Important findings are that the PMSs are very similar in how they function but differ a lot in what is measured.

  • 3.
    Li, Dan
    et al.
    Chalmers University of Technology, Sweden.
    Fast-Berglund, Åsa
    Chalmers University of Technology, Sweden.
    Gullander, Per
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Ruud, Lars
    LaRay AB, Sweden.
    Identifying Improvement Areas in Production Planning Meetings by Assessing Organisation and Information Systems at a Small Production Company2016In: Swedish Production Symposium 2016, 2016Conference paper (Refereed)
    Abstract [en]

    The increased mass-customisation of production requires operators to manage an increasing number of complex work tasks. From a social sustainability perspective, better sharing and dissemination of production information supports operators cognitively to manage and understand their work tasks, which in turn improves quality of work. So, the focus of this paper is to study how production planning meetings can be improved. Previous research suggests that the MEET model can be used as a framework for improving meetings and information sharing by studying 10 different areas within a company’s Organisation System (OS) and Information System (IS) whilst considering the time and place prerequisites and aims for these meetings. In this paper, the applicability of the MEET model and its 10 areas are tested at a small production company by applying two different approaches. First, a questionnaire was presented to and filled out by a manager, the results of the questionnaire identifies the improvement potential of each of the 10 areas. Second, a comprehensive current-state analysis based on observations on the shop-floor and interviews with operators were carried out with regards to the 10 areas. The results from these two approaches were compared and the comparison showed that both approaches point towards similar areas for potential improvements. This paper concludes that the MEET model can be used as a general framework to inspire change by suggesting areas with potential improvement in information sharing. While the selfassessment questionnaire can identify a direction, additional information and involvement of other stakeholders are recommended for actual implementations of change. For future research, the methods based on the MEET model will be further developed to improve accuracy and the suggestions provided to the case company in this paper will be tested as a validation of the model.

  • 4.
    Lindell, Hans
    et al.
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Grétarsson, Snaevar Leo
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Machens, Michael
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    High frequency shock vibrations and implications of ISO 5349: Measurement of vibration, simulating pressure propagation, risk assessment and preventive measures2017In: IFA Report 5/2017e: Review of the International Expert Workshop 2015 in Beijing, 2017, p. 19-30Conference paper (Refereed)
  • 5.
    Mohammadi, Zahra
    et al.
    Mälardalen University .
    Shahbazi, Sasha
    Mälardalen University .
    Kurdve, Martin
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Critical Factors in Designing of Lean and Green Equipment2014Conference paper (Other academic)
    Abstract [en]

    Designing production equipment considering lean and related sustainability requirements may be a major factor in achieving productiveness through lean implementation. The objective of the study is to investigate the impact of lean production requirements on equipment design and how the lean requirements affects early design phases and global footprint. Data collection method includes literature review and in depth interviews with equipment users. The results provide support to importance of considering green and lean requirements in designing of production equipment by introducing important lean design factors for production equipment. These factors are designing simple equipment, error-proofing, being portable and flexible, supporting one piece flow, supporting short setup time, easy and reliable maintenance, supporting the operator interface with machine, safety of the operator, supporting production processes and layouts, energy efficiency, easy to operate, minimum cost, visualization, straight flows, teamwork, standardization, quality assurance, using pervious experiences, easy to clean, and easy to control. 

  • 6.
    Scheepers, Gerhard
    et al.
    RISE - Research Institutes of Sweden, Bioeconomy, Biobased Materials.
    Nilsson, Jonaz
    Linnaeus University, Sweden.
    Johansson, Jimmy
    Linnaeus University, Sweden.
    Mätning av ytspänningar i torkat gran med NIR2017Report (Other academic)
    Abstract [en]

    In sawmilling, a lot of timber properties are measured online in the sorting and grading of dried timber. This may include moisture content, shape, and a host of other parameters. An important wood property that cannot be measured online is drying stresses, although it is an important parameter for many customers. Since the destructive test methods for stress determination are time consuming, no high frequency routine measurement of the internal stresses is done.

    In literature, there are a few examples of near infrareds (NIR) capability to detect surface stresses along the fiber direction. There is also an example of stress measurements across the grain on a Japanese wood specie during drying, however, these measurements were always done on a tangential surface. It is unknown whether NIR prediction models can predict surface tension and stress measurements across the grain of dried Norway spruce with varying characteristics, i.e. material from different logs, heart- or sapwood, different year ring orientations, etc. If the technique cannot handle the variation in material properties, such as occurs in a sawmill environment, this means that a simple NIR measurement would not be sufficient to predict the surface tension in industry.

    This study investigated whether surface stresses in mechanically loaded as well as dried spruce samples with varying material properties can be predicted by NIR models. The measurement data from some mechanically loaded samples showed a correlation between the predicted and actual stress values, but many other samples showed no correlation. Moreover, the data for a single sample could show a good correlation, but the prediction could be at an incorrect stress level.

    As for the dried samples, NIR models were good at separating the conditioned and non-conditioned samples, but had no predictive power concerning the stress level. The models used to predict the stress level in mechanically loaded samples, were also used to predict the stress in the dried samples, but there was no correlation between the measured strain and the predicted stress level. Therefore, it is concluded that there are no clear indication that NIR measurements can be used in an industrial application for predicting the surface stress level of dried Norway spruce boards.

  • 7.
    Scheepers, Gerhard
    et al.
    RISE - Research Institutes of Sweden, Bioeconomy, Biobased Materials.
    Olsson, Jörgen
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Lycken, Anders
    RISE - Research Institutes of Sweden, Bioeconomy, Biobased Materials.
    Grahn, Thomas
    RISE - Research Institutes of Sweden, Bioeconomy, Papermaking and Packaging.
    Lundqvist, Sven-Olof
    RISE - Research Institutes of Sweden, Bioeconomy, Biorefinery and Energy.
    Hagman, Olle
    Luleå University of Technology, Sweden.
    Hållfasthetsbestämning av virke med en NIR-kamera2017Report (Other academic)
    Abstract [sv]

    SP, Innventia och Luleås Tekniska Universitet har genomfört en förstudie där man undersökte om nära-infrarött (NIR) data kan bidra till säkrare hållfasthetsbestämning av virke. För att göra det behövdes förutom NIR-data, dels data som konventionellt används i sågverk för att göra hållfasthets-uppskattningar, dels referensdata från mekanisk provning.

    Följande data samlades in från 100 granplankor med dimensionen 3600*150*45 mm3:

    1. mått, vikt, och därmed densitet,

    2. egenfrekvenser via dynamisk excitering,

    3. högupplösta NIR-bilder på 2 flatsidor av varje planka,

    4. RGB och fibervinkeldata från flat- och kantsidorna,

    5. röntgentomografibilder,

    6. förstörande böjtestdata, med bestämning av lokal och global E-modul, och

    7. kvalitativ inventering av brottyp och kvistposition.

     

    Databasen är i sig en värdefull resurs och en god grund för fortsatt forskning och utveckling mot kun-skap och tillämpningar baserat på information som hittills inte utvärderats och nyttjats.

    Virkesegenskaper som påverkar hållfasthet, såsom tjurved, kunde identifieras och visualiseras. Andra egenskaper som är viktiga hållfasthetsindikatorer, såsom egenfrekvens och densitet, kunde predikteras med multivariata modeller baserade på NIR-spektraldata. Inledande modellförsök visar att det går att prediktera global E-modul med multivariata modeller baserade på NIR-spektraldata med ungefärlig samma precision som industriell hållfasthetsbedömning med dynamisk excitering. De NIR-data som användes i modelleringen var dock bara medelvärden över hela plankan. Därför finns det god potential för bättre prediktion med mer riktade variabler, som speglar de spatiala variationerna i varje planka, t.ex. runt kvistar, vilket blir ämnet för ett eventuellt fortsättningsprojekt.

    Projektet finansierades av Norrskogs Forskningsstiftelse, Stiftelsen Åforsk, Träcentrum Norr, och Södra Skogsägarnas Stiftelse för Forskning, Utveckling och Utbildning. Individer som medverkade i projektet inkluderar Gerhard Scheepers, Jörgen Olsson, Anders Lycken, Sven-Olof Lundqvist och Thomas Grahn (RISE Bioekonomi); och Olle Hagman (LTU). RemaSawco och JGA i Linneryd hjälpte också med insamlingen av fibervinkeldata.

     

  • 8.
    Shahbazi, Sasha
    et al.
    Mälardalen University, Sweden.
    Wiktorsson, Magnus
    Mälardalen University, Sweden.
    Kurdve, Martin
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Jönsson, Christina
    RISE - Research Institutes of Sweden, Materials and Production, IVF, Energi och miljö.
    Bjelkemyr, Marcus
    Mälardalen University, Sweden.
    Material efficiency in manufacturing: swedish evidence on potential, barriers and strategies2016In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, no 127, p. 438-450Article in journal (Refereed)
    Abstract [en]

    Improved material efficiency is a key to improve the circular economy and capturing value in industry. Material efficiency reduces the generation of industrial waste, the extraction and consumption of resources, and energy demands and carbon emissions. However, material efficiency in the manufacturing sector, as a means of improving the recyclability, reusability, reduction and prevention of industrial waste, is little understood. This study aims to investigate, on a micro-level, further material efficiency improvement opportunities, barriers and strategies in selected manufacturing companies in Sweden, focusing on increasing waste segregation into high quality circulated raw material. Improvement opportunities at large global manufacturing companies are investigated; barriers hindering material efficiency improvement are identified and categorized at two levels; and strategies that have been deployed at manufacturing companies are reviewed. Empirical findings reveal (1) further potential for improving material efficiency through higher segregation of residual material from mixed and low quality fractions (on average, 26% of the content of combustible waste, in weight, was plastics; 8% and 6% were paper and cardboard, respectively); (2) the most influential barriers are within budgetary, information, management, employee, engineering, and communication clusters; (3) a lack of actual material efficiency strategy implementation in the manufacturing companies. According to our analysis, the majority of barriers are internal and originate within the manufacturing companies, therefore they can be managed (and eradicated if possible) with sufficient resources in terms of man hours, education and investment, better operational and environmental (waste) management, better internal communication and information sharing, and deployment of material efficiency strategies.

  • 9.
    Ström, Mikael
    et al.
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Gustafsson, Göran
    Chalmers University of Technology.
    Fritzell, Ingrid
    Volvo Car Corporation.
    Gustav, Göransson
    Chalmers University of Technology.
    A Method to Understand and Improve Your Engineering Processes Using Value Stream Mapping2013In: ICoRD'13. Lecture Notes in Mechanical Engineering / [ed] Chakrabarti A., Prakash R., Springer, India , 2013, p. 821-831Conference paper (Refereed)
    Abstract [en]

    This paper describes two ways of mapping engineering processes in product development—Value Stream Mapping (VSM) and a simplified variant of VSM—which are compared with Process Mapping (PM). PM is closely related to VSM but applied differently although the goal—to identify possible process improvements—is often the same. The results of the study indicate that simplified ways of doing VSM are the most feasible. They are easier to get started with, they have a higher potential for improvement of the process and one gets an instant overview of the mapped process. Further, it is more likely that the improvement will be implemented when the users are committed through their involvement in the mapping process.

  • 10.
    Wiktorsson, Magnus
    et al.
    Mälardalen University, Sweden.
    Granlund, Anna
    Mälardalen University, Sweden.
    Lundin, Mats
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Södergren, Birgitta
    Uppsala University, Sweden.
    Automation and flexibility: An apparent or real dilemma?2017In: International Series in Operations Research and Management Science, ISSN 0884-8289, E-ISSN 2214-7934, Vol. 255, p. 35-48Article in journal (Refereed)
    Abstract [en]

    There are trade-offs between cost and capabilities throughout specification, implementation and operation of automated solutions in manufacturing companies. This chapter describes four identified dilemmas or contradictions while balancing flexibility to automation, based on an empirical study with interviews and workshop in five internationally competitive manufacturing companies. The study generated insights on experienced challenges while implementing automated solutions in manufacturing, and these apparent conflicts between automated solutions and maintaining a high operational flexibility need to be managed as manufacturing automation will continue to increase on all levels. © 2017, Springer International Publishing AG.

  • 11.
    Yamamoto, Yuji
    et al.
    Mälardalen University, Sweden.
    Sandström, Kristian
    RISE - Research Institutes of Sweden, ICT, SICS.
    Munoz, Alvaro Aranda
    RISE - Research Institutes of Sweden, ICT, SICS.
    Karakuri iot - the concept and the result of pre-study2018In: Advances in Transdisciplinary Engineering, 2018, Vol. 8, p. 311-316Conference paper (Refereed)
    Abstract [en]

    Although scholars and practitioners are actively discussing the potential benefits of introducing Internet of Thing (IoT) in production, IoT is still as an expensive solution in terms of investment and high technological threshold. Manufacturing companies seek a simpler and lower-cost approach to adopting IoT technologies in production, allowing companies to take advantage of the knowledge and innovation capabilities of people close to shop floor operations. This paper introduces the concept of “Karakuri IoT” – simple and low-cost IoT-aided improvements driven by the people close to shop floor operations. A pre-study is conducted to examine the feasibility of the concept. This paper presents the results of the pre-study.

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