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Journal of Shenyang Aerospace University >

2025 , Vol. 42 >Issue 4: 37 - 44

DOI: https://doi.org/10.3969/j.issn.2095-1248.2025.04.006

Mechanical and Materials Engineering

Selection of performance degradation characteristic indicators of bearings based on game theory combinatorial weighting method

  • Xiaoyan WANG , 1, 2 ,
  • Tianxiao ZHANG 2, 3 ,
  • Jingkui LI 4 ,
  • Tongtong FU 2, 3
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  • 1. College of Economics and Management, Shenyang Aerospace University，Shenyang 110136，China
  • 2. Liaoning Provincial Key Laboratory of Aircraft Fire Control and Reliability Airworthiness Technology, Shenyang Aerospace University，Shenyang 110136，China
  • 3. College of Safety Engineering, Shenyang Aerospace University，Shenyang 110136，China
  • 4. College of Civil Aviation, Shenyang Aerospace University，Shenyang 110136，China

Received date: 2024-12-23

  Revised date: 2025-02-05

  Accepted date: 2025-02-10

  Online published: 2025-08-19

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Abstract

In order to select the characteristic indicator to more effectively characterize the performance degradation of the air compressor bearing，a feature indicator selection method based on game theory combinatorial weighting method was proposed.Through the analysis of the time-domain indicator of the bearing vibration and the preprocessing of redundant information，the time-domain indicator dataset of the bearing was obtained.Three characteristic indicator evaluation methods including monotonicity，robustness and trend were used to complete the selection of performance characteristic indicators.Based on this，the game theory combinatorial weighting method was used to weight three characteristic indicator and sixteen time-domain indicator to complete the selection of bearing performance degradation indicator.The effectiveness of this method was illustrated by example verification.

Key words： performance degradation characteristics; time-domain indicators; feature indicator selection method; game theory combinatorial weighting method; air compressor bearing

Cite this article

Xiaoyan WANG , Tianxiao ZHANG , Jingkui LI , Tongtong FU . Selection of performance degradation characteristic indicators of bearings based on game theory combinatorial weighting method[J]. Journal of Shenyang Aerospace University, 2025 , 42(4) : 37 -44 . DOI: 10.3969/j.issn.2095-1248.2025.04.006

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