Presentation 2012-01-27
Analysis of Redundancy for Decentralized Failure Diagnosis of Discrete Event Systems
Shuhei NAKATA, Shigemasa TAKAI,
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Abstract(in English) In the setting of decentralized diagnosis of discrete event systems using multiple local diagnosers, we consider a situation in which diagnosis decisions of some local diagnosers are not available by some causes. Then, we define a notion of codiagnosability as reliable codiagnosability, which guarantees that any occurrence of fault behavior is detected if the number of available diagnosis decisions is greater than or equal to the specified number, and propose an algorithm for verification of reliable codiagnosability. Moreover, in order to evaluate redundancy of decentralized diagnosis, we develop a method for computing the minimal number of local diagnosers for which reliable codiagnosability is satisfied.
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Keyword(in English) Discrete event system / Failure diagnosis / Redundancy / Codiagnosability
Paper # MSS2011-71,SS2011-56
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Committee MSS
Conference Date 2012/1/19(1days)
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Registration To Mathematical Systems Science and its applications(MSS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Analysis of Redundancy for Decentralized Failure Diagnosis of Discrete Event Systems
Sub Title (in English)
Keyword(1) Discrete event system
Keyword(2) Failure diagnosis
Keyword(3) Redundancy
Keyword(4) Codiagnosability
1st Author's Name Shuhei NAKATA
1st Author's Affiliation Graduate School of Engineering, Osaka University()
2nd Author's Name Shigemasa TAKAI
2nd Author's Affiliation Graduate School of Engineering, Osaka University
Date 2012-01-27
Paper # MSS2011-71,SS2011-56
Volume (vol) vol.111
Number (no) 405
Page pp.pp.-
#Pages 6
Date of Issue