Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
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Improving the Efficiency of Known Fault Mode Detection for Immunity-based Diagnosis
Koji WadaTakashi ToriuHiromitsu Hama
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2014 Volume 27 Issue 2 Pages 59-66

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Abstract

In this paper, the dynamic model of ’credibility’, which is used as main parameter of judgment in immunity-based system diagnosis, is extended so that diagnosis system can quickly judge fault if a specific fault mode occurs in a sensor. The amount of change of credibility changes according to size of similarity between actual output of a sensor and estimated output of it. The estimated output is calculated by using relationship among outputs of other sensors if a specific fault mode occurs in the sensor. The effectiveness of the proposed method is evaluated by experiments.

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© 2014 The Institute of Systems, Control and Information Engineers
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