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Fault tolerant control design via hybrid Petri nets

Yang, Hao, Jiang, Bin, Cocquempot, Vincent and Shi, Peng (2010) Fault tolerant control design via hybrid Petri nets. Asian Journal of Control, 12 (5). pp. 586-596. ISSN 1561-8625

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Abstract

This paper proposes a novel fault tolerant control (FTC) scheme for hybrid systems modeled by hybrid Petri nets (HPNs). The HPNs model consists of discrete and continuous PNs. The faults are represented by unobservable discrete transitions or the normal observable discrete transitions with abnormal firing time in discrete PNs. First, an observer-based fault diagnosis method is proposed to estimate the marking in discrete places with unknown initial marking and diagnose the faulty behavior simultaneously. Then, an adaptive fault tolerant controller is designed to maintain the general mutual exclusion constraints (GMEC) of discrete PNs, and a scheme that adjusts firing speeds of continuous transitions is provided to maintain the optimality of continuous PNs. Finally, an example of an intelligent transportation system consisting of automated vehicles on a bridge is included to demonstrate the effectiveness of our developed techniques.

Item Type: Article
Uncontrolled Keywords: ResPubID19957, hybrid system, hybrid Petri net, observer, fault tolerant control, intelligent transportation system
Subjects: Historical > Faculty/School/Research Centre/Department > Institute for Logistics and Supply Chain Management (ILSCM)
Current > FOR Classification > 0802 Computation Theory and Mathematics
Historical > SEO Classification > 970108 Expanding Knowledge in the Information and Computing Sciences
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Depositing User: VUIR
Date Deposited: 21 Dec 2011 04:31
Last Modified: 20 Jan 2015 22:06
URI: http://vuir.vu.edu.au/id/eprint/7459
DOI: https://doi.org/10.1002/asjc.223
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Citations in Scopus: 9 - View on Scopus

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