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A Decision-Information-Synchronisation perspective on the performance of FMS

机译：FMS性能的决策-信息-同步视角

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摘要

The performance of a Flexible Manufacturing System (FMS) largely depends on how the control system can control the flow of entities in the system. The control system takes control decisions based on the information provided as an input to the decision-making process. Therefore, it is important that the decision-making process and information systems operate in a synchronised manner with respect to the FMS characteristics. This can also be referred to as a Decision-Information-Synchronisation (DIS) operating zone implemented in the control system. To study the DIS in the present research, three types of visibility for decision-makers in FMS shop-floor control have been identified: (1) no local visibility, (2) physical local visibility and (3) physical and information local visibility of decision-maker/operator. These alternative visibilities and automation levels of decision and information system provide the hybrid environments of FMSs control. The current paper presents an approach to identify the DIS operating zone of FMS with suitable visibility of decision-maker and automation level. Simulation results show that under non-real-time control (low automation level in decision and information system) with physical local visibility, the FMS system performs comparable with the real-time control (high automation level in decision and information system) when routing flexibility levels are presented. Under the current global competitive environment, this study helps industrial managers determine a suitable level of visibility and automation in planning an FMS control system in order to obtain the desired performance at the lower cost.
机译：柔性制造系统（FMS）的性能很大程度上取决于控制系统如何控制系统中实体的流动。控制系统根据作为决策过程的输入提供的信息做出控制决策。因此，重要的是决策过程和信息系统就FMS特性而言必须同步运行。这也可以称为在控制系统中实现的决策信息同步（DIS）操作区域。为了研究本研究中的DIS，已确定FMS车间控制中决策者的三种可见性：（1）没有本地可见性，（2）物理本地可见性和（3）物理和信息本地可见性决策者/运营商。这些决策和信息系统的可视性和自动化级别提供了FMS控制的混合环境。当前的论文提出了一种识别FMS的DIS操作区域的方法，该方法具有决策者和自动化级别的适当可见性。仿真结果表明，在具有物理局部可见性的非实时控制（决策和信息系统的自动化程度较低）下，FMS系统在路由灵活性方面的性能可与实时控制（决策和信息系统的自动化程度较高）相媲美。提出了水平。在当前全球竞争环境下，这项研究可帮助工业管理人员在计划FMS控制系统时确定合适的可视性和自动化程度，以便以较低的成本获得所需的性能。

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