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A pilot study of ergonomics and technical performance of picking in two different systems at diffferent working speed
2001 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

There has been a movement to combine technical and ergonomic aspects while carrying out researches in Production Ergonomics Department of Malmö University. This concept has been the basic principle through the whole process of this project, which was carried out in Malmö. The main purpose of the project was to investigate two different materials picking systems (traditional vs. new), in terms of both ergonomic and technical aspects. In addition, physical exposures of the subjects during their performances were measured at two different work pace levels (Low vs. High). Another aim of the project was to try to evaluate the work performance using different analysis methods, which was expected to show the various aspects of the performance. Time, accuracy, and workload (HR, EMG, steps, exertion ratings) were collected and analysed using video, EMG, and HR analysis. Two healthy participants (male and female) volunteered for the whole day procedure experiment. They were asked to perform two different picking systems with two different work paces. Depending on picking systems and work paces, four different tasks were designed to complete the same amount of work. The results revealed that there are consistent tendencies that the new picking system shows better time efficiency and less physical exposures in general. However, more repetitive and static arm movements, which are considered as risk factors for WMSDs on neck/shoulder regions, were also observed in the new picking system. Regarding the relationship between work pace and physical exposures, significant increase in physical exposures was found at the high-speed level, comparing with the low-speed level. However, since the materials picking showed generally low workload level, the possibility of increasing work pace was assumed. However, further studies should be carried out, in order to confirm the findings through this project.

Place, publisher, year, edition, pages
Keyword [en]
Technology, materials picking, WMSDs, work pace, workload, HR, EMG, steps, exertion ratings, accuracy
Keyword [sv]
URN: urn:nbn:se:ltu:diva-48426ISRN: LTU-EX--01/122--SELocal ID: 5e1262ba-6c8b-4911-ae88-749125ebf7a5OAI: diva2:1021768
Subject / course
Student thesis, at least 15 credits
Educational program
Ergonomics, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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