A Study on Highly-Distributed Manufacturing System Simulation

A Study on Highly-Distributed Manufacturing System Simulation
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高度分布式制造系统仿真研究

DOI:
10.1016/j.promfg.2020.01.227
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发表时间:
2019
期刊:
Procedia Manufacturing
影响因子:
--
通讯作者:
Fujii Susumu
Fujii Susumu
中科院分区:
--
文献类型:
--
作者:
Morinaga Eiji;Yasuda Daiki;Imagawa Yudai;Wakamatsu Hidefumi;Tsumaya Akira;Inoue Tatsuo;Iwamura Koji;Ishibashi Motohiro;Fujii Nobutada;Arai Eiji;Fujii Susumu

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计算机网络技术的最新发展正在实现高度分布式制造系统(HDMSs),其中每个设施被计算机化并且通过与其他设施通信来自主地管理自身。本文讨论了HDMSs的离散事件仿真(DES)的分布式方法,并提出了一种通过设备间通信对事件按发生时间顺序进行排序的简单算法。本文描述了在DDES框架内处理对象转移的方法。在制造系统的DES中,会产生许多事件,而这些事件的发生时间只有在有关对象到达处理该对象的设备时才能确定。对排序算法进行了改进,使其能够处理此类不确定事件。还考虑了使用自动导引车(AGV)的运输,并给出了在分布式框架下仿真AGV运输的基本概念。最后通过实例验证了该系统的基本可行性。
Recent development of computer network technologies is achieving highly-distributed manufacturing systems (HDMSs), where each facility is computerized and manages itself autonomously by communicating with other facilities. A distributed method of discrete-event simulation (DES) for HDMSs has been discussed, and a simple algorithm for sequencing events in the order of their occurrence times by communication among facilities has been developed. This paper describes methods for dealing with transfer of objects within this framework of DDES. In DES of manufacturing system, many events are generated, the occurrence time of which cannot be determined until an object concerned reaches the facility by which the object is processed. The sequencing algorithm was improved so that such uncertain events can be dealt with. Transportation using automated guided vehicles (AGVs) was also considered, and a basic concept for simulation of transportation by AGV in the distributed framework was given. Fundamental feasibility of this DDES was proven by an example.
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