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Structural Equation Modelling of Human Factors and Their Impact On Productivity of Cellular Manufacturing

机译：人为因素的结构方程建模及其对蜂窝制造生产率的影响

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Cellular manufacturing has become an integral part of lean manufacturing systems; more and more attentions have been paid to cellular manufacturing. Although the quality and productivity of cell production systems depends largely on operators ’skill and other human factors, it is still insufficient to investigate how human factors affect manufacturing cells. Here, we apply structural equation modeling to analyze the impact of human factors on productivity of cellular manufacturing. We design a laboratory experiment of cellular manufacturing to measure the efficiency of the operators in manufacturing cells and meanwhile, conduct a questionnaire to grasp the operators ’aptitude. A covariance structure model is constructed based on the experiment data and the questionnaire ’s answers, the potential causal dependencies between the productivity and human factors can be showed graphically and quantitatively through the pass diagram. Our results have showed that operators ’aptitude has significant e ffects on cell ’s efficiency and the impact of operators ’aptitude is largely stronger than the learning effect.
机译：蜂窝制造已经成为精益制造系统不可或缺的一部分。蜂窝制造越来越受到关注。尽管电池生产系统的质量和生产率在很大程度上取决于操作员的技能和其他人为因素，但仍不足以研究人为因素如何影响生产电池。在这里，我们应用结构方程模型来分析人为因素对蜂窝制造生产率的影响。我们设计了一个蜂窝制造实验室实验，以测量操作员在制造单元中的效率，同时进行问卷调查以掌握操作员的能力。根据实验数据和调查问卷的答案构建协方差结构模型，并可以通过通道图以图形和定量方式显示生产力和人为因素之间的潜在因果关系。我们的结果表明，操作者的才智对单元的效率有显着影响，并且操作者的才智的影响远大于学习效果。

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