DocumentCode :
1541267
Title :
Fuzzy Petri net-based programmable logic controller
Author :
Andreu, David ; Pascal, Jean-Claude ; Valette, Robert
Author_Institution :
LAAS, CNRS, Toulouse, France
Volume :
27
Issue :
6
fYear :
1997
fDate :
12/1/1997 12:00:00 AM
Firstpage :
952
Lastpage :
961
Abstract :
Programmable logic controllers (PLCs) are able to directly implement control sequences specified by means of standard languages such as Grafcet or formal models such as Petri nets. In the case of simple regulation problems between two steps it could be of great interest to introduce a notion of “fuzzy events” in order to denote a continuous evolution from one state to another. This could result from a linear interpolation between the commands attached to two control steps represented by two Petri net (PN) places. This paper is an attempt to develop fuzzy PN-based PLCs in a similar way as fuzzy controllers (regulators). Our approach is based on a combination of Petri nets with possibility theory (Petri nets with fuzzy markings)
Keywords :
Petri nets; fuzzy control; possibility theory; process control; programmable controllers; Petri net; fuzzy controllers; fuzzy events; linear interpolation; possibility theory; programmable logic controller; Automatic control; Control systems; Fuzzy control; Fuzzy logic; Fuzzy systems; Interpolation; Petri nets; Possibility theory; Programmable control; Regulators;
fLanguage :
English
Journal_Title :
Systems, Man, and Cybernetics, Part B: Cybernetics, IEEE Transactions on
Publisher :
ieee
ISSN :
1083-4419
Type :
jour
DOI :
10.1109/3477.650056
Filename :
650056
Link To Document :
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