Probability Boxes and DS Structures’ Research Prospects in the Mechanical Fault Signals Data Fusion

Yi Du; Yi Lin Chi; Xing Wu

doi:10.4028/www.scientific.net/AMM.79.19

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Probability Boxes and DS Structures’ Research Prospects in the Mechanical Fault Signals Data Fusion
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 79Probability Boxes and DS Structures’ Research...

Probability Boxes and DS Structures’ Research Prospects in the Mechanical Fault Signals Data Fusion

Abstract:

In the traditional machinery fault diagnosis, the feature extraction leads information loss and the different information sources’ space-time registration is a difficult problem. The Probability boxes and Dempster-Shafer Structure Theory can provide a new way to solve above difficulties. This theory has a large advantage in solving uncertainties. It can be adapted for the inconstant machinery environment. In this paper, firstly the concepts of this theory are summarized and some methods of getting probability boxes are given. Secondly the method’s feasibility is discussed. Finally some promising research directions of this theory’s applications in the machinery fault diagnosis are advanced.

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Periodical:

Applied Mechanics and Materials (Volume 79)

Pages:

19-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.79.19

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Online since:

July 2011

Authors:

Yi Du, Yi Lin Chi, Xing Wu

Keywords:

Data Fusion, Dempster Shafer Structure, Mechanical Fault Diagnosis, Probability Box

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