Testability Evaluation of the Systems with Multi-Outcome Imperfect Tests

Shi Gang Zhang; Cheng Rui Liu; Zheng Hu; Xi Sen Wen

doi:10.4028/www.scientific.net/AMM.303-306.407

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Testability Evaluation of the Systems with...

Testability Evaluation of the Systems with Multi-Outcome Imperfect Tests

Abstract:

In the fault diagnosis systems, the measured value of a test is generally divided into several intervals to isolate the faults. Furthermore, in the realistic systems, the value may be distributed over different intervals with a probability if a fault occurs, which means that the tests are multi-outcome imperfect tests. In this paper, a calculation method of metrics of fault detection and fault isolation based on extended dependency matrix is proposed, which can be applied to evaluate the testability of a system and consequently play a role in the design process of diagnosis systems.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

407-410

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.407

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Online since:

February 2013

Authors:

Shi Gang Zhang, Cheng Rui Liu, Zheng Hu, Xi Sen Wen

Keywords:

Fault Diagnosis, Imperfect Test, Multi-Outcome, Testability Evaluation

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