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首页> 外文期刊>International Journal of Production Research >Optimisation of facility layout design problem with safety and environmental factors by stochastic DEA and simulation approach
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Optimisation of facility layout design problem with safety and environmental factors by stochastic DEA and simulation approach

机译：随机DEA和仿真方法优化具有安全和环境因素的设施布局设计问题

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摘要

This article presents an integrated computer simulation-stochastic data envelopment analysis (SDEA) approach to deal with the job shop facility layout design problem (JSFLD) with stochastic outputs and safety and environmental factors. Stochastic outputs are defined as non-crisp operational and deterministic inputs. At first, feasible layout alternatives are generated under expert decision. Then, computer simulation network is used for performance modelling of each layout design. The outputs of simulation are average time-in-system, average queue length and average machine utilisation. Finally, SDEA is used with Lingo software for finding the optimum layout alternative amongst all feasible generated alternatives with respect to stochastic, safety and environmental indicators. The integrated approach of this study was more precise and efficient than previous studies with the stated outputs. The results have been verified and validated by principal component analysis. The unique features of this study are the ability of dealing with multiple inputs (including safety) and stochastic (including environmental) outputs. It also uses mathematical programming for optimum layout alternatives. Moreover, it is a practical tool and may be applied in real cases by considering safety and environmental aspects of the manufacturing process within JSFLD problems.
机译：本文提出了一种集成的计算机仿真-随机数据包络分析（SDEA）方法，用于处理具有随机输出以及安全和环境因素的车间设备布局设计问题（JSFLD）。随机输出定义为非清晰的操作性和确定性输入。首先，根据专家的决定生成可行的布局选择。然后，将计算机仿真网络用于每个布局设计的性能建模。模拟的输出是平均系统时间，平均队列长度和平均机器利用率。最后，SDEA与Lingo软件一起用于在随机，安全和环境指标方面所有可行的替代方案中找到最佳布局替代方案。这项研究的综合方法比以前的研究更加精确和有效，具有既定的输出结果。结果已通过主成分分析得到验证和验证。这项研究的独特之处在于能够处理多种输入（包括安全性）和随机性（包括环境性）输出。它还使用数学编程来获得最佳布局选择。此外，它是一种实用的工具，可以通过在JSFLD问题中考虑制造过程的安全性和环境方面而在实际情况下应用。

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