Diagnosis of Continuous Valued Systems in Transient Operating Regions

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Citation: Pieter J. Mosterman and Gautam Biswas. (1999) Diagnosis of Continuous Valued Systems in Transient Operating Regions. In KSL-99-02, November,1999.

Publication techreport ( Edit )
type Technical Report
bibtype techreport
Bibtex basics
author Pieter J. Mosterman and Gautam Biswas
title Diagnosis of Continuous Valued Systems in Transient Operating Regions
number KSL-99-02
institution Knowledge Systems, AI Laboratory
year 1999
month November
Bibtex more
note IEEE Transactions on Systems, Man, and Cybernetics, Part A, Nov. 1999.
Access Paper
abstract The complexity of present day embedded systems, i.e., continuous processes controlled by digital processors, and the increased demands on their reliability motivate the need for incorporating monitoring and fault isolation capabilities in the embedded processor. This paper develops monitoring, prediction, and fault isolation methods for abrupt faults in complex dynamic systems. The transient behavior in response to those faults is analyzed in a qualitative framework, using parsimonious topological system models. Predicted transient effects of hypothesized faults are captured in the form of signatures that specify future behavior for the fault with higher order time-derivatives. The dynamic effects of faults are analyzed by a progressive monitoring scheme till feedback effects modify the initial transients significantly, and the detection mechanisms have to be suspended in favor of steady state analysis. This methodology has been successfully applied to monitoring of the secondary sodium cooling loop of a fast breeder reactor.

KSL Technical Report ID: KSL-99-02
Facts about Diagnosis of Continuous Valued Systems in Transient Operating RegionsRDF feed
Abstract The complexity of present day embedded sys … The complexity of present day embedded systems, i.e., continuous processes controlled by digital processors, and the increased demands on their reliability motivate the need for incorporating monitoring and fault isolation capabilities in the embedded processor. This paper develops monitoring, prediction, and fault isolation methods for abrupt faults in complex dynamic systems. The transient behavior in response to those faults is analyzed in a qualitative framework, using parsimonious topological system models. Predicted transient effects of hypothesized faults are captured in the form of signatures that specify future behavior for the fault with higher order time-derivatives. The dynamic effects of faults are analyzed by a progressive monitoring scheme till feedback effects modify the initial transients significantly, and the detection mechanisms have to be suspended in favor of steady state analysis. This methodology has been successfully applied to monitoring of the secondary sodium cooling loop of a fast breeder reactor. um cooling loop of a fast breeder reactor.
Author Pieter J. Mosterman and Gautam Biswas  +
Bibtype techreport  +
Has author Pieter J. Mosterman and Gautam Biswas  +
Has identifier KSL-99-02  +
Has publishing details November,1999  +
Has title Diagnosis of Continuous Valued Systems in Transient Operating Regions  +
Has where published KSL-99-02  +
Has year 1999  +
Institution Knowledge Systems, AI Laboratory  +
Ksl tr id KSL-99-02  +
Month November  +
Note IEEE Transactions on Systems, Man, and Cybernetics, Part A, Nov. 1999.
Number KSL-99-02  +
Process note NO  +
Title Diagnosis of Continuous Valued Systems in Transient Operating Regions  +
Year 1999  +
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