Effect of Tractor Structure on Body Burden during of getting on and off

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  • トラクター構造が乗降動作時の身体負担におよぼす影響

Abstract

<p>In recent years, the population of farmers has been declining. Therefore, there is a demand for lighter and more efficient farm work, and larger farm machinery is becoming more widely used. Since these farm machines inevitably require getting in and out of the machine, there is a need to reduce the physical burden of getting in and out of the machine. Therefore, it is necessary to quantitatively evaluate the physical burden of getting on and off the machines. In this study, we focused on tractors, which have a high penetration rate among agricultural machinery, and calculated the physical burden to determine the ease of getting on and off the tractor. Using a musculoskeletal model that simulates human movement, information on the body burden, such as muscle strength, is calculated from the movement data, and an evaluation index of the body burden is created. Using these indices, we examined the effects of changing factors such as tractor entrance width and grip position on the body burden.</p>

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