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Titolo:
Ergonomic evaluation of complex work: a participative approach employing video-computer interaction, exemplified in a study of order picking
Autore:
Kadefors, R; Forsman, M;
Indirizzi:
Natl Inst Working Life W, Lindholmen Dev, SE-40272 Gothenburg, Sweden NatlInst Working Life W Gothenburg Sweden SE-40272 2 Gothenburg, Sweden Chalmers Univ Technol, Dept Injury Prevent, S-40220 Gothenburg, Sweden Chalmers Univ Technol Gothenburg Sweden S-40220 40220 Gothenburg, Sweden
Titolo Testata:
INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS
fascicolo: 4, volume: 25, anno: 2000,
pagine: 435 - 445
SICI:
0169-8141(200004)25:4<435:EEOCWA>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHYSICAL WORK; POSTURAL LOAD; DISORDERS; VALIDITY; BACK;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Engineering, Computing & Technology
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Kadefors, R Natl Inst Working Life W, Lindholmen Dev, Box 8850, SE-40272 Gothenburg, Sweden Natl Inst Working Life W Box 8850 Gothenburg Sweden SE-40272
Citazione:
R. Kadefors e M. Forsman, "Ergonomic evaluation of complex work: a participative approach employing video-computer interaction, exemplified in a study of order picking", INT J IND E, 25(4), 2000, pp. 435-445

Abstract

A method for ergonomic evaluation of complex manual work was developed, based on interactive operator assessment of video recordings. The video film is displayed on the computer terminal, and the filmed operator assesses thework by clicking on virtual controls on the screen, whenever a situation inducing pain or discomfort appears. The operator marks body region and rates perceived exertion. In this way, a filmed sequence covering hours of workis condensed into a limited number of high-priority tasks. A library is formed in the computer, including task and operator identification data, ergonomic data, and pictorial information. The evaluation system, called VIDAR,was applied in an application study of manual materials handling in an automotive workshop. Results showed that the subjects after a brief instruction were able to understand and provide input to the system. The assessments were reasonably consistent in the group of operators. It was concluded thatVIDAR provides data that are highly useful in a participatory process of change, and that it adds a new dimension to ergonomic evaluation of complex work. Cognitive aspects calling for further scientific study were identified. Relevance to industryExisting expert-based observation methods are sometimes difficult to applyin practice. The method described here is based on operator rather than expert assessment, which provides structured information that is relevant anduseful, for instance in industrial interventions. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 30/09/20 alle ore 08:32:14