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- Hanson, Lars, et al.
(författare)
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Effects of stature, age and vehicle motion on ingress movement
- 2009
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Ingår i: International Journal of Vehicle Design. - 0143-3369 .- 1741-5314. ; 51:3/4, s. 292-305
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Tidskriftsartikel (refereegranskat)abstract
- Vehicle ingress is an important automotive industry issue. End-users and production line assemblers perform similar ingress tasks. In this study, comparisons were made of the car ingress motion in 40 subjects of different statures, acting both as assemblers and end-users. Half of the subjects were under 28 years of age and the remaining were over 60. Results show no significant differences in motion patterns between assemblers and end-users, i.e., slow forward motion of the car on the assembly line had no effect on ingress patterns. This suggests that ergonomic departments working either with end-users or assemblers may instead cooperate or even be fully integrated. Stature significantly affected joint angle distribution and joint angle velocity distribution. No stature effect was found on time to perform ingress movements or on ingress technique. Age significantly affected all test parameters and is thus an issue for developers to consider along with anthropometric variables like stature. To facilitate age analysis, manikins in digital human modelling tools should be able to replicate the physical characteristics of different age groups and the movement behaviour of older people.
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| 3. |
- Jahre, Marianne, et al.
(författare)
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Theory development in humanitarian logistics : A framework and three cases
- 2009
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Ingår i: Management Research News. - : Emerald. - 0140-9174 .- 1758-6135. ; 32:11, s. 1008-1023
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: There is a need for theory development within the field of humanitarian logistics to understand logistics needs in different stages of a crisis and how to meet these. This paper aims to discuss three dimensions identified in logistics and organization theories and how they relate to three different cases of humanitarian logistics operations - the regional concept of the International Federation of Red Cross Red Crescent Societies, the development and working of the United Nations Joint Logistics Centre and coordination challenges of military logistics in UN mandated peacekeeping operations. The purpose is to build a framework to be used in further studies.Design/methodology/approach: A framework for the study of humanitarian logistics along three dimensions is developed, followed by a discussion of the chosen cases in relation to these dimensions. The framework will be used as basis for the case studies to be undertaken for the purpose of understanding and identification of new questions and needs for other or revised concepts from theory.Findings: The paper shows the relevance of a wide literature to the issues pertinent to humanitarian logistics. There is considerable promise in extant literature on logistics, SCM and coordination, but this needs to be confronted with the particular issues seen in the humanitarian logistics setting to achieve further theory development.Originality/value: The major contribution of the paper lies in its breadth of theoretical perspectives presented and combined in a preliminary theoretical framework. This is applied more specifically in the three case studies described in the paper.
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| 4. |
- Wretstrand, Anders, et al.
(författare)
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Older people and local public transit: Mobility effects of accessibility improvements in Sweden
- 2009
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Ingår i: Journal of Transport and Land Use. - : Center for Transportation Studies. - 1938-7849. ; 2:2, s. 49-65
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Tidskriftsartikel (refereegranskat)abstract
- Several transportation factors concerning older and disabled people are under transition in Sweden at present. By the year 2010, the public transit system must be fully accessible for all passengers. The present survey studied older people, in order to assess the perceived travel opportunities. Questionnaires were sent to a sample of older citizens (75+) in three Swedish mid-sized municipalities. The general conclusions were that even though older people show appreciation of the existing travel opportunities, there was evidence for restricted mobility for some sub-groups of these older people, due to various perceived barriers. these groups have few optional modes, and despite various accessibility measures, special transportation services—the mandatory demand-responsive transport service—continues to provide crucial mobility. Hence, there is more to be done regarding accessibility and usability in public transit for older people. Further studies have to clarify reasons for bus travel cessation. Even larger efforts have to be put into accessibility improvements, in particular intermediate transit solutions in order to meet the regulations and policies.
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