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Supervisory control of discrete-event systems with output : application to hybrid systems

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Supervisory control of discrete-event systems with output : application to hybrid systems

Mahdavinezhad, Pedram (2007) Supervisory control of discrete-event systems with output : application to hybrid systems. Masters thesis, Concordia University.

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Abstract

In this thesis, the problem of supervisory control of Discrete-Event Systems (DES) with output is presented and discussed at length. In such systems, causal output functions are employed to assign each sequence of inputs with a corresponding sequence of outputs. When the specification of the desired behavior is given by a formal language over the output alphabet, necessary and sufficient conditions are derived for the existence of nonblocking input as well as nonblocking output supervisory controls. An algorithm is presented to extend the results of nonblocking input/output supervisory control from language-based framework into finite automata framework, making the proposed results applicable to large scale discrete-event systems. The idea of siblings is introduced to solve the problem of nondeterminism in discrete-event abstractions of hybrid systems, giving rise to the development of a theory for nonblocking supervisory control of hybrid systems. Our results enable one to apply classical supervisory control theory to design supervisors for DES approximations of hybrid systems, and to import many interesting concepts from classical theory such as modular and hierarchical control.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Electrical and Computer Engineering
Item Type:Thesis (Masters)
Authors:Mahdavinezhad, Pedram
Pagination:ix, 79 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:M.A. Sc.
Program:Electrical and Computer Engineering
Date:2007
Thesis Supervisor(s):Gohari, P and Aghdam, Amir G
ID Code:975593
Deposited By: Concordia University Library
Deposited On:22 Jan 2013 16:11
Last Modified:18 Jan 2018 17:40
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