Computer Science – Robotics
Scientific paper
2010-10-28
Virtual and Physical Prototyping 5, 3 (2010) 123 - 137
Computer Science
Robotics
Scientific paper
10.1080/17452759.2010.504056
Although automatic techniques have been employed in manufacturing industries to increase productivity and efficiency, there are still lots of manual handling jobs, especially for assembly and maintenance jobs. In these jobs, musculoskeletal disorders (MSDs) are one of the major health problems due to overload and cumulative physical fatigue. With combination of conventional posture analysis techniques, digital human modelling and simulation (DHM) techniques have been developed and commercialized to evaluate the potential physical exposures. However, those ergonomics analysis tools are mainly based on posture analysis techniques, and until now there is still no fatigue index available in the commercial software to evaluate the physical fatigue easily and quickly. In this paper, a new muscle fatigue and recovery model is proposed and extended to evaluate joint fatigue level in manual handling jobs. A special application case is described and analyzed by digital human simulation technique.
Bennis Fouad
Chablat Damien
Guillaume François
Ma Liangping
Zhang Wanchuan
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