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Optimal measurement points evaluation for friction plate via a comprehensive analysis of correlation and clustering
ID：20 View Protection：PUBLIC Updated Time：2022-12-19 15:18:33 Hits：1000 Poster Presentation

Start Time：Pending（Asia/Shanghai）

Duration：Pending

Session：No Session »

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Abstract
As an important component of the transmission chain, it is of great significance to monitor the running status of the friction plate in real time. Aiming at the problems of  high cost of friction plate fault diagnosis, difficult fault signal acquisition, mutual coupling of vibration signals and the ambiguous selection and evaluation rules of the measuring points, an optimal measurement points evaluation for friction plate based on a comprehensive analysis of correlation and clustering is proposed. Firstly, wavelet packet decomposition (WPT) is processed on the vibration signals to construct a WPE flow image feature for an energy flow distribution, where the unusual characteristics would be described in a clear way. Secondly, considering the ability of correlation and clustering, a comprehensive index, named as the redundant and clustering index (RC-index), is calculated for each measuring point, then the measuring points are sorted according to RC-index. The final optimal measurement points sets are evaluated and built via the identification accuracy based on k-nearest neighbor (KNN) classifier. Experiments on the actual friction plate test bench are analyzed to indicate that the optimal measurement points set can maintain relatively high fault type identification accuracy with fewer measuring points.
Keywords
Friction plate, Optimal measurement points, correlation, clustering, KNN
Speaker
Huaping Tan
College of Mechanical and Vehicle Engineering Chongqing University

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Important Date

  • Conference Date

    Nov 30

    2022

    to

    Dec 02

    2022

  • Nov 30 2022

    Draft paper submission deadline

  • Dec 24 2022

    Contribution Submission Deadline

  • Apr 13 2023

    Registration deadline

Sponsored By
Harbin Insititute of Technology
China Instrument and Control Society
Heilongjiang Instrument and Control Society
Chinese Institute of Electronics
IEEE I&M Society Harbin Chapter
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