Lose Fat, Not Muscle: An Examination of Supervisor Reduction in Discrete-Event Systems

Authors:
Sarah-Jane Whittaker;Karen Rudie
Affiliations:
School of Computing, Queen's University, Kingston, Canada K7L 3N6;Department of Electrical and Computer Engineering, Queen's University, Kingston, Canada K7L 3N6
Venue:
Discrete Event Dynamic Systems
Year:
2008

Citing 5
Cited 0

Supervisory control of a class of discrete event processes

SIAM Journal on Control and Optimization
The hierarchical lattices of a finite machine

Systems & Control Letters
Aggregation in Hierarchical Discrete-Event Systems

Discrete Event Dynamic Systems
Supervisor Reduction for Discrete-Event Systems

Discrete Event Dynamic Systems
Introduction to Discrete Event Systems

Introduction to Discrete Event Systems

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Abstract

This paper is concerned with the elimination of unnecessary states in discrete-event system control agents. Several approaches to supervisor reduction are studied and a new relation between agents, comparability, is defined to encapsulate most of the concepts found in the aforementioned methods. This relation is also proven to be preserved under conjunction, which is commonly employed to determine the centralized representation of two decentralized DES supervisors.