Active fault diagnosis based on stochastic tests

Poulsen, Niels K.; Niemann, Hans Henrik

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Title: Active fault diagnosis based on stochastic tests

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AMCS, volume 18 (2008)

Abstract:

The focus of this paper is on stochastic change detection applied in connection with active fault diagnosis (AFD). An auxiliary input signal is applied in AFD. This signal injection in the system will in general allow us to obtain a fast change detection/isolation by considering the output or an error output from the system. The classical cumulative sum (CUSUM) test will be modified with respect to the AFD approach applied. The CUSUM method will be altered such that it will be able to detect a change in the signature from the auxiliary input signal in an (error) output signal. It will be shown how it is possible to apply both the gain and the phase change of the output signal in CUSUM tests. The method is demonstrated using an example.

Publisher:

Zielona Góra: Uniwersytet Zielonogórski

Resource Identifier:

oai:zbc.uz.zgora.pl:78736

DOI:

10.2478/v10006-008-0043-6

Pages:

487-496

Source:

AMCS, volume 18, number 4 (2008) ; click here to follow the link

Language:

eng

License CC BY 4.0:

click here to follow the link

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Biblioteka Uniwersytetu Zielonogórskiego

Subject and keywords:

active fault diagnosis parametric faults stochastic change detection closed-loop systems parameterization

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Jul 14, 2025

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Apr 8, 2024

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146

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https://zbc.uz.zgora.pl/repozytorium/publication/88508

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International Journal of Applied Mathematics and Computer Science (AMCS)

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Active fault diagnosis based on stochastic tests	Jul 14, 2025

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