Title
Suboptimal supervisory control of Petri nets in presence of uncontrollable transitions via monitor places
Abstract
This paper deals with the problem of enforcing generalized mutual exclusion constraints (GMEC) on place/transition nets with uncontrollable transitions. An efficient control synthesis technique, which has been proposed in the literature, enforces GMEC constraints by introducing monitor places to create suitable place invariants. The method has been shown to be maximally permissive and to give a unique control structure in the case that the set of legal markings is controllable. This paper investigates on and formally shows that the class of controllers obtained by this technique may not have a supremal element for uncontrollable specifications. Moreover, it is shown that the family of monitor places enforcing an uncontrollable specification can be parameterized with respect to the solution of a linear system of equation. An algorithm to obtain such parameterization is presented here.
Year
DOI
Venue
2006
10.1016/j.automatica.2006.02.003
Automatica
Keywords
Field
DocType
Discrete event systems,Supervisory control,Petri nets,Monitors
Linear equation,Mathematical optimization,Parameterized complexity,Petri net,Parametrization,Linear system,Control theory,Supervisory control,Invariant (mathematics),Mutual exclusion,Mathematics
Journal
Volume
Issue
ISSN
42
6
0005-1098
Citations 
PageRank 
References 
26
1.30
7
Authors
3
Name
Order
Citations
PageRank
Francesco Basile116111.25
Pasquale Chiacchio242146.31
Alessandro Giua31836199.57