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首页> 外文期刊>International Journal of Injury Control and Safety Promotion >Computer-aided human factors analysis of the industrial vehicle driver cabin to improve occupational health
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Computer-aided human factors analysis of the industrial vehicle driver cabin to improve occupational health

机译:工业车辆驾驶员驾驶室的计算机辅助人为因素分析,以改善职业健康状况

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摘要

Industrial vehicle operator's solace and safety have gained significant consideration because of the increment in occupational health issues and accidents. The purpose of this work was to amend the design of the excavator driver cabin through human factor analysis. Thirty operators of excavators who were serving as subjects, were interviewed and identified that their wrist, upper arm and trunk were at a higher risk level while operating. Photograph of the operators was taken and the work environment was simulated. RULA (Rapid Upper Limb Assessment) and REBA (Rapid Entire Body Assessment) scoring was made on different simulated work posture of operators using CATIA V5 and UEAT1.8 softwares. Based on overall RULA and REBA scoring, it was found nearly 46% of the operators were operating at a high hazard level and needed investigation immediately, whereas 35% of operators were at a medium risk level and only 19% of operators were operating safely. The individual RULA and REBA scoring proved prevalence of discomfort in wrist, upper arm and trunk while operating. Identifying the optimized conditions to hold the control levers will help to reduce the operator strain. From the design optimization in excavators, the optimal conditions to hold the control lever is found to be 40cm for popliteal height, 60.51 cm for distance from elbow to ground and 15.07o for reach angle from the seat reference point.
机译:由于职业健康问题和事故的增加,工业车辆驾驶员的舒适性和安全性得到了广泛的考虑。这项工作的目的是通过人为因素分析来修正挖掘机驾驶室的设计。采访了30名作为主题的挖掘机操作员,并确定他们的手腕,上臂和躯干在操作时处于较高的危险等级。拍摄了操作员的照片并模拟了工作环境。使用CATIA V5和UEAT1.8软件对操作员的不同模拟工作姿势进行RULA(快速上肢评估)和REBA(快速全身评估)评分。根据RULA和REBA总体评分,发现将近46%的操作员处于高危险等级,需要立即进行调查,而35%的操作员处于中等风险等级,只有19%的操作员安全运行。 RULA和REBA的单独评分证明了操作时手腕,上臂和躯干的不适感。确定握住控制杆的最佳条件将有助于减轻操作员的压力。根据挖掘机的设计优化,发现握住操纵杆的最佳条件是pop高40厘米,肘部到地面的距离为60.51厘米,距座椅参考点的伸角为15.07o。

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