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首页> 外文期刊>Journal of Intelligent Manufacturing >A virtual factory based approach to on-line simulation and scheduling for an FMS and a case study
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A virtual factory based approach to on-line simulation and scheduling for an FMS and a case study

机译：基于虚拟工厂的FMS在线仿真和调度方法和案例研究

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The recent years have witnessed a revolution in computing capabilities. At the same time, modern manufacturing systems are becoming increasingly complex and capital-intensive. Here, we propose a virtual factory wherein an efficient prototyping testbed will be provided. It will be possible to develop detailed models to support system design and operation, to test different system configurations. Besides, It will be possible to manipulate all system features which impact performance, and to see the results of these manipulations, all without disrupting the actual system. This paper is one among very few that tries to represent the virtual factory in an analytic form so that many existing mathematical analyses can be applied. New pseudo resources can be added to form a new virtual environment, and control policy designed by engineers will be evaluated before being issued. Since a state-transition sequence of the virtual factory from the initial state to the final state can be seen as a schedule of the modeled system. An effective schedule of the processing can be obtained by using an A{sup}* based search algorithm, namely, Limited-Expansion A algorithm.
机译：近年来见证了计算能力的革命。同时，现代制造系统正变得越来越复杂和资本密集。在这里，我们提出了一个虚拟工厂，其中将提供有效的原型测试床。可以开发详细的模型来支持系统设计和操作，以测试不同的系统配置。此外，在不影响实际系统的情况下，有可能操纵所有影响性能的系统功能并查看这些操纵的结果。本文是极少数尝试以解析形式表示虚拟工厂的文章之一，因此可以应用许多现有的数学分析。可以添加新的伪资源以形成新的虚拟环境，并在发布前评估工程师设计的控制策略。由于虚拟工厂从初始状态到最终状态的状态转换序列可以看作是建模系统的时间表。通过使用基于A {sup} *的搜索算法（即有限扩展A算法）可以获得有效的处理时间表。

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