Failure diagnosis using discrete event models
Meera Sampath,Raja Sengupta,Stéphane Lafortune,K. Sinnamohideen,Demosthenis Teneketzis +4 more
- Vol. 3, pp 3110-3116
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TLDR
A discrete event systems (DES) approach to the failure diagnosis problem is proposed and the notion of diagnosability is discussed, and the construction procedure of the diagnoser is presented.Abstract:
We propose a discrete event systems (DES) approach to the failure diagnosis problem. We present a methodology for modeling physical systems in a DES framework. We discuss the notion of diagnosability and present the construction procedure of the diagnoser. Finally, we illustrate our approach using a heating, ventilation and air conditioning (HVAC) system. >read more
Citations
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Journal ArticleDOI
Diagnosability of discrete-event systems
TL;DR: The approach to failure diagnosis presented in this paper is applicable to systems that fall naturally in the class of DES's; moreover, for the purpose of diagnosis, most continuous variable dynamic systems can be viewed as DES's at a higher level of abstraction.
Journal ArticleDOI
Failure diagnosis using discrete-event models
TL;DR: A discrete-event systems (DES) approach to the failure diagnosis problem is proposed, applicable to systems that fall naturally in the class of DES; moreover, for the purpose of diagnosis, continuous-variable dynamic systems can often be viewed as DES at a higher level of abstraction.
Journal ArticleDOI
Coordinated Decentralized Protocols for Failure Diagnosisof Discrete Event Systems
TL;DR: Three protocols are specified that achieve, each under a set of assumptions, the same diagnostic performance as the centralized diagnoser and highlight the “performance vs. complexity” tradeoff that arises in coordinated decentralized architectures.
Journal ArticleDOI
Stability Analysis of Positive Switched Linear Systems With Delays
Xingwen Liu,Chuangyin Dang +1 more
TL;DR: Under certain conditions, several stability results are established by constructing a sequence of functions that are positive, monotonically decreasing, and convergent to zero as time tends to infinity (additionally continuous for continuous-time systems).
Journal ArticleDOI
Decentralized failure diagnosis of discrete event systems
Wenbin Qiu,Ratnesh Kumar +1 more
TL;DR: The notion of decentralized diagnosis is formalized by introducing the notion of codiagnosability that requires that a failure be detected by one of the diagnosers within a bounded delay.
References
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TL;DR: This paper surveys a number of methods for the detection of abrupt changes in stochastic dynamical systems, focusing on the class of linear systems, but the basic concepts carry over to other classes of systems.
Journal ArticleDOI
Diagnosability of discrete-event systems
TL;DR: The approach to failure diagnosis presented in this paper is applicable to systems that fall naturally in the class of DES's; moreover, for the purpose of diagnosis, most continuous variable dynamic systems can be viewed as DES's at a higher level of abstraction.