Design of Optimal Petri Net Controllers for Disjunctive Generalized Mutual Exclusion Constraints
Design of Optimal Petri Net Controllers for Disjunctive Generalized Mutual Exclusion Constraints
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析取广义互斥约束最优Petri网控制器设计
DOI:
10.1109/tac.2015.2389313
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发表时间:
2015-01
影响因子:
6.8
通讯作者:
ro
中科院分区:
文献类型:
--
作者:
Ma Ziyue;Li Zhiwu;Giua Aless;ro
In this paper, a type of specifications called OR-AND Generalized Mutual Exclusion Constraints (GMEC) for place/transition nets is defined. Such a specification consists of a disjunction of conjunction of several single GMECs, i.e, the requirement is that, at any given time, the controlled system should satisfy at least one set of conjunctive GMECs. We show that a bounded OR-AND GMEC can be enforced by a special control structure composed by a set of AND-GMEC monitor places plus a switcher that determines the current active ones. We also show that such a simple control structure can be modified to ensure maximal permissiveness. This approach can be used in the framework of supervisory control in Petri nets.
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DOI:
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发表时间:
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