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首页> 外文期刊>International Journal of Production Research >Development and application of a worker assignment model to evaluate a lean manufacturing cell
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Development and application of a worker assignment model to evaluate a lean manufacturing cell

机译：评估精益生产单元的工人分配模型的开发和应用

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摘要

In lean manufacturing environments, cross-training is often used to achieve multi-skilling in order to increase flexibility in meeting fluctuating demand, to create a shared sense of responsibility, and to balance workload between cross-trained workers. This paper presents a model that assigns workers to tasks within a lean manufacturing cell while minimizing net present cost. In determining how to assign workers to tasks, the model addresses production requirements to meet customer demand, skill depth requirements for tasks, varying quality levels based on skill depth, and job rotation to retain skills for a cross-trained workforce. The model generates an assignment of workers to tasks and determines the training necessary for workers to meet skill requirements for tasks and customer demand. While the model can be used in a number of ways, in this paper it is used to generate a worker assignment schedule for cross-trained workers in a dedicated lean manufacturing cell in an electronics assembly plant and to evaluate the effect of increased cross-training on the cell. The resulting worker assignment schedules for the current state and several alternative scenarios for the cell are evaluated using cost results from the optimization model and from a simulation model to assess additional performance metrics. These results demonstrate the usefulness of the worker assignment model and indicate that moderate increases from current cross-training levels are not beneficial for this cell.
机译：在精益生产环境中，经常使用交叉培训来实现多种技能，以提高灵活性，以满足不断变化的需求，建立共同的责任感并平衡交叉培训的工人之间的工作量。本文提出了一个模型，该模型将工人分配到精益生产单元中的任务上，同时使净现值最小化。在确定如何将工人分配给任务时，该模型满足了满足客户需求的生产要求，任务的技能深度要求，基于技能深度的不同质量级别以及轮岗以保留受过交叉训练的劳动力的技能。该模型生成工作人员的任务分配，并确定工作人员满足任务和客户需求的技能要求所需的培训。尽管可以以多种方式使用该模型，但在本文中，该模型用于为电子装配厂专用精益制造单元中的交叉培训工人生成工人分配计划，并评估交叉培训增加的效果在细胞上。使用来自优化模型和模拟模型的成本结果，评估当前状态和单元的几种替代方案的所得工人分配时间表，以评估其他性能指标。这些结果证明了工作人员分配模型的有用性，并表明从当前的交叉培训水平适度增加对该单元无益。

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