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Title:Estimation, Diagnosis, and Control in Discrete Event Systems in the Presence of Observability Constraints and Faults
Author(s):Li, Lingxi
Doctoral Committee Chair(s):Basar, Tamer
Department / Program:Electrical and Computer Engineering
Discipline:Electrical and Computer Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Engineering, Electronics and Electrical
Abstract:The final problem studied in the thesis is the problem of fault-tolerant control in Petri nets. In particular, we aim at providing tolerance against faults that may compromise the functionality of a given controller (modeled by a Petri net). We propose two approaches for the design of fault-tolerant redundant Petri net controllers. Under the reasonable assumption that the given controller is presumably designed to exactly meet the control specification of the plant to be controlled, we further require that the redundant Petri net controllers be bisimulation equivalent to the given, original controller (to retain identical control objectives). We obtain complete characterizations of redundant controllers along with necessary and sufficient conditions for bisimulation equivalence.
Issue Date:2008
Description:153 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008.
Other Identifier(s):(MiAaPQ)AAI3337844
Date Available in IDEALS:2015-09-25
Date Deposited:2008

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