Design of supervisors for linear marking specifications in labeled Petri nets
Design of supervisors for linear marking specifications in labeled Petri nets
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标记 Petri 网中线性标记规范监控器的设计
DOI:
10.1016/j.automatica.2021.110031
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发表时间:
2022-02
期刊:
影响因子:
6.4
通讯作者:
ro
中科院分区:
文献类型:
--
作者:
Ma Ziyue;He Zhou;Li Zhiwu;Giua Aless;ro
In this paper we study the problem of enforcing a generalized mutual exclusion constraint (GMEC) in a labeled Petri net that contains indistinguishable transitions by a monitor-based supervisor. We show that a monitor-based supervisor can be designed based on theinfluenceof events if the GMEC is deterministic. On the other hand, for a nondeterministic GMEC, we introduce the notion ofdependencyof transitions, which provides a quantitative relation between the transition firings and the occurrence of dependent events. Based on the dependency of transitions, we propose a structural approach to compute a monitor function usingHilbert basis, which helps us develop an algorithm to design an online supervisor using the monitor function. Our approach has low online computational load since marking estimation is avoided.
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