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Reliability and Reliability Sensitivity Analysis of Rolling Bearings Based on Contact Fatigue under Finite Probability Information

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  • Xianming Wang
  • Aorong Zhou
  • Tianxiao Zhang
  • Alberto Campagnolo

Abstract

The probability information of random variables is frequently finite in the rolling bearing contact fatigue reliability design process, making it impossible to calculate the reliability index or rolling bearing reliability accurately. In this study, the dynamic model of rolling bearings is established, the Box–Behnken design and the response surface method are combined to obtain the mapping relationship between random variables, and the rolling bearing reliability design model is established with the strength obeying gamma process. The transient reliability, cumulative reliability, and reliability sensitivity analysis methods based on contact fatigue under finite probability information are used to calculate the change law and size order of the rolling bearing reliability affected by the change of each basic random variable. Finally, we apply this research method to analyse the reliability of a certain type of angular contact ball bearing compared with the Monte Carlo simulation method. This demonstrates that the method presented in this study is correct and effective.

Suggested Citation

  • Xianming Wang & Aorong Zhou & Tianxiao Zhang & Alberto Campagnolo, 2022. "Reliability and Reliability Sensitivity Analysis of Rolling Bearings Based on Contact Fatigue under Finite Probability Information," Mathematical Problems in Engineering, Hindawi, vol. 2022, pages 1-13, November.
    • Handle: RePEc:hin:jnlmpe:6345706
    DOI: 10.1155/2022/6345706
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