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Synthesis of feedback control logic for a class of controlled Petri nets

机译:一类受控Petri网的反馈控制逻辑的综合

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摘要

An efficient solution is developed for a class of forbidden state problems for discrete event systems (DESs). DESs are considered which can be modeled as cyclic controlled marked graphs (CMGs), a special class of controlled Petri nets (CPNs). The distributed representation of the DES state in terms of the CMG marking permits an efficient specification of the forbidden states in terms of individual place markings. More important, it is shown that the graphical representations of the state transition logic in a CMG can be used to synthesize state feedback logic which is maximally permissive while guaranteeing the forbidden states will not occur. The practical application of the theoretical results is illustrated for an example of automated guided vehicle (AGV) coordination in a flexible manufacturing facility.
机译:针对离散事件系统(DES)的一类禁止状态问题,开发了一种有效的解决方案。人们认为可以将DES建模为循环受控标记图(CMG),这是一类特殊的受控Petri网(CPN)。以CMG标记表示的DES状态的分布式表示形式允许以单个场所标记的形式有效地指定禁止状态。更重要的是,它表明CMG中状态转换逻辑的图形表示可用于合成状态反馈逻辑,该状态反馈逻辑是最大允许的,同时保证了不会出现禁止状态。理论结果的实际应用举例说明了柔性制造工厂中自动引导车辆(AGV)协调的示例。

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