Computing bounds for forbidden state reachability functions for controlled Petri nets

L. Holloway, A. Khare
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引用次数: 3

Abstract

Characterizing uncontrollable reachability is a central issue in forbidden state control of discrete event systems. In this paper, we present methods for building expressions which estimate uncontrollable reachability in a general class of Petri nets and which characterize the control sets to ensure future markings will not be forbidden. These expressions are determined by constructing an abstract syntax tree from an analysis of the Petri net model of the system. We show that these expressions represent bounds that are useful for evaluating uncontrollable reachability and for evaluating control actions.
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受控Petri网禁止状态可达函数的边界计算
描述不可控可达性是离散事件系统禁止状态控制中的一个核心问题。在本文中,我们提出了在一般Petri网中构建估计不可控可达性的表达式的方法,并对控制集进行表征以确保将来的标记不会被禁止。通过分析系统的Petri网模型,构建抽象语法树来确定这些表达式。我们展示了这些表达式表示的边界对于评估不可控的可达性和评估控制动作是有用的。
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