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1.
  • Akselsson, Roland, et al. (författare)
  • Computer Aided Participatory Planning
  • 1990
  • Ingår i: Ergonomics of Hybrid Automated Systems II. - Elsevier Science Publishers B.V.. - 0-444-88793-8 ; s. 69-76
  • Konferensbidrag (refereegranskat)abstract
    • A computer aided action research method for design of work places is presented. A project group of researchers, managers, union representatives, supervisors, shop-floor workers and representatives from the health-and-safety department analyse different aspects of the physical and organizational work environment. Factory layouts and the flow of raw materials and goods, truck routes and overhead crane movements are shown on a computer screen by means of simulation and animation techniques. Field studies at four companies strongly suggest that the animation helps the members in the project group to develop a common language and to better comprehend what a future factory design and work organization would look like.
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2.
  • Akselsson, Roland, et al. (författare)
  • Computer-Aided Planning of New Production Lines in Mechanical Industries and of Working Environments for Disabled Persons
  • 1993
  • Ingår i: Production Research. - Elsevier Science Publishers B.V.. - 0444897313 ; s. 85-86
  • Konferensbidrag (refereegranskat)abstract
    • To optimize productivity and working-life quality, it is important to understand and utilise the connections between productivity and working environment. Culture and the state of the market may affect the strength of these connections. However, in order to ensure flexibility and quality in products and services, it may be useful to have motivated, skilled and responsible coworkers at all levels. For the same reasons, absenteeism and high turnover rates have to be avoided. In a time when new technology is rapidly disseminated throughout the world, the way in which human resources are managed may be of the outmost importance to success. A major obstacle to the gathering of experience and knowledge from all relevant parties – e g production engineers, managers, the workforce and external experts – in a planning process is the lack of a common, efficient language. Mistakes made when designing new working environments are often very costly to adjust once the plans are realized. The prize of a poorly-planned environment is high in economical terms, but also in terms of human suffering. This may be especially important for disabled persons. Some basic ideas behind the computer-aided planning methodology currently being developed at the Lund Institute of Technology, and at Lund University, are the following ones: -In a planning process, it is important to draw on the creativity, experience, knowledge and enthusiasm of as many persons as possible. It is particularly essential that the group which is going to manage and apply the planned system finds it acceptable, as this group’s willingness and competence to improve the solution during and after implementation is often crucial. -Time is a resource in short supply, and a planning group including persons with very dissimilar backgrounds in terms of experience and knowledge could be too time-consuming. -Pictures of planned systems may help a heterogeneous group to obtain a common language; they may also provide the members of the group with good mental models as a basis for an efficient dialogue. In this workshop paper we will briefly discuss the computer-aided planning tool and present some of our experiences of its application to the planning of new production lines in mechanical industries and of working environments for the disabled.
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3.
  • Akselsson, Roland, et al. (författare)
  • Computer Aided Planning of Production and Working Environment
  • 1994
  • Ingår i: Human Factors in Organizational Design and Management -IV. - Elsevier Science B.V.. - 0-444-89952-9 ; s. 499-504
  • Konferensbidrag (refereegranskat)abstract
    • The success of design projects depends on their quality from a technical and economic point of view and on the quality of their implementation and use. This paper discusses a computer aided planning (CAP) technique and its applicability and quality in both these respects. One version of the CAP-technique is developed for planning of industrial working environments and another version for planning of residential and working environments for the physically handicapped
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4.
  • Bengtsson, Peter, et al. (författare)
  • Computer-Aided Planning of Production, Working and Residential Environments
  • 1996
  • Ingår i: International Journal of Industrial Ergonomics. - Elsevier. ; 17:1, s. 59-68
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper discusses a computer-aided planning methodology and its applicability for planning of industrial production and working environments as well as for planning of residential and working environments for the differently abled. The methodology has been developed and evaluated in six case studies in mechanical industries and in six case studies related to adaptations for the differently abled. The results from the case studies indicate that computer-supported modelling and visualisation may serve as a common and efficient language facilitating communication about multifaceted environmental planning issues. The methodology is a cost-effective way of demonstrating layout ideas and testing dynamic activities like manufacturing and transportation. Corporate groups comprising people involved in, or affected by, development work seem to be a fruitful approach for cooperation, one which enhances learning and creativity. Such groups may be a proper forum for the dissemination of information, exchange of opinions, utilisation of both expert and lay experiences, and for public testing of current reality or future plans in such a way that mutual understanding between different professional categories is increased, hence promoting internal commitment.Relevance to industry The success of design projects depends both on their quality from a technical and economic point of view, and on the quality of their implementation and use. This paper discusses a computer-aided planning technique and its applicability and quality in both these respects. The technique is developed for planning of industrial working environments and for planning of residential and working environments for the differently abled.
5.
  • Bengtsson, Peter, et al. (författare)
  • Cooperation in Planning of Production and Working Environments Supported by Computer Graphics
  • 1996
  • Ingår i: The International Journal of Human Factors in Manufacturing. - John Wiley & Sons, Inc.. ; 6:2, s. 101-130
  • Tidskriftsartikel (refereegranskat)abstract
    • A methodology for studying change processes in working life combining computer-aided planning and cooperation in project groups is evaluated. The methodology is applied and studied in a planning workshop with representatives from manufacturing industries - managers, production engineers, supervisors as well as shop floor workers - and from health and safety agencies utilizing the methodology for planning of production, layout, and working environment. The results are presented and discussed with respect to cooperation in project groups, outline of proposals, topics of discussion, and pictures as planning tools.
6.
  • Bengtsson, Peter, et al. (författare)
  • Planning Working Environment and Production by Using Paper Drawings and Computer Animation
  • 1997
  • Ingår i: Ergonomics. ; 40:3, s. 334-347
  • Tidskriftsartikel (refereegranskat)abstract
    • It is assumed that pictorial visualization can be used to facilitate communication between industrial professionals when planning working environments and production. This article analyses how managers, supervisors, machine operators, and occupational health and safety officials, accustomed to using both paper drawings and computer animation of both shop floor and workplace view, evaluate these four types of visualization in relation to a set of planning issues. Twenty-four subjects participated in a controlled two-day planning workshop. They designed a new production layout by means of computer graphics, and responded to a questionnaire. From the analysis it may be concluded that the four types of visualization are unique enough to be evaluated differently with regard to some of the planning issues. Hence, great care should be devoted to analysing what features a visualization of a production layout or a working environment aims at illustrating. Furthermore, it can be concluded that each of the four types ofvisualization seems to be significant for planning activities in ways that can be anticipated. Shop floor view and workplace view is valuable for planning issues related to survey of a plant and specific machines, respectively. Computer animation is in general preferable to a paper drawing concerning dynamic planning issues. Computer animation of workplace viewis valuable for planning issues related to working environment considerations. All of the four types of visualization are less significant for illustrating or describing physical factors of the working environmen
7.
  • Johansson, Curt R, et al. (författare)
  • Dynamic Description with Computer Supported Pictures
  • 1994
  • Rapport (populärvet., debatt m.m.)abstract
    • A methodology was developed and tested in six case studies at four medium-sized manufacturing companies within the machine engineering industry. Existing and planned work environments and production processes were described with the aid of computer-generated pictures. The pictures were used within the framework of an action research methodology in which managers and those employees affected, together with trade unions and company health care representatives, cooperated to establish the preconditions for improved planning from the point of view of both productivity and work environment. The picture methodology using animated pictures, developed to create and present two- and three-dimensional views of a computer model with manipulable objects, was tested both in a workshop with 20 participants from manufacturing companies and corporate health care and in an experimental study with 30 psychology students as experimental subjects. At a Community College with an artistic bet, the way in which different groups within the college described its organization with the aid of pictures and symbols was studied.
8.
  • Andersson, C-H, et al. (författare)
  • Fibre Handleability, Damage Formation, Dust Emission and Morphology
  • 1994
  • Ingår i: Composites Testing and Standardization. - Woodhead Publishing Limited. - 1-85573-187-8 ; s. 625-632
  • Konferensbidrag (refereegranskat)abstract
    • The mechanical stress build up in fibre handling, the dynamical frictional phenomena between fibres and curved surfaces and formation of dust have been studied. Typical are stick slip behavior and threshold stress levels for formation of dust. The emission of dust can be limited by electrostatic charging. The measured coefficients of friction of the fibres depend on the mechanical properties, micro structure, morphology and sizing of the fibres, the friction materials, the deformation rates and applied loads.
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9.
  • Christensson, B, et al. (författare)
  • Analysis of Particle Emission During Simulated Processing of Multifilament Fibres
  • 1994
  • Ingår i: Composites Testing and Standardisation: ECCM-CTS 2. - Woodhead Publishing Limited. - 1-85573-187-8 ; s. 633-640
  • Konferensbidrag (refereegranskat)abstract
    • The use of multifilament fibres in composites is increasing. For usability, health effects and comfort it is important to include human aspects already in the development of materials and handling techniques. This paper presents a pilot experiment for designing further experiments on emission of particles and fibres from multifilament fibres during friction, bending and tensile forces.
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10.
  • Christensson, B, et al. (författare)
  • Friction and Damage Accumulation, Formation, Morphology and Transport of Dust from Fibre Handling
  • 1993
  • Ingår i: Developments in the Science and Technology of Composite Materials. - Woodhead Publishing Limited. - 1-85573-142-8 ; s. 89-94
  • Konferensbidrag (refereegranskat)abstract
    • The mechanical stress build up in fibre handling, the dynamical frictional phenomena between fibres and curves surfaces and formation of dust have been studied. Typical are stick slip behaviour and threshold stress levels for formation of dust. The emissions of dust can be limited by electrostatic charging. The measured coefficients of friction of the fibres depend on the mechanical properties, micro structure, morphology and sizing of the fibres, the friction materials, the deformation rates and applied loads.
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