Tehnički vjesnik, Vol. 29 No. 5, 2022.
Izvorni znanstveni članak
https://doi.org/10.17559/TV-20211002131712
Analysis of Reliability Correlation Degree of Rolling Bearings Based on Zero-Failure Data
Qishui Yao
; School of Mechanical Engineering, Hunan University of Technology, Zhuzhou 412007, China
Guo Liu
; School of Mechanical Engineering, Hunan University of Technology, Zhuzhou 412007, China; Hunan Automobile Engineering Vocational College, Zhuzhou 412001, China
Shuaishuai Bie
; School of Mechanical Engineering, Hunan University of Technology, Zhuzhou 412007, China
Jianghong Yu
; School of Mechanical Engineering, Hunan University of Technology, Zhuzhou 412007, China
Sažetak
Modern equipment has higher requirements for the reliability of rolling bearings. The time and economic cost of obtaining bearing failure data through test methods are getting higher. Usually, truncation time tests of small sample are used to obtain zero-failure data of bearings. Based on the zero-failure data model and multi-layer Bayesian theory, this paper improves the reliability evaluation method of rolling bearings by changing the values of hyperparameters, and calculates the estimated value of failure probability at each truncation time to obtain the reliability of the bearing. This paper adopts the theory of grey relational degree to analyze the relationship and change law of bearing reliability at each truncation time, to understand the reliability change trend of rolling bearing more comprehensively. Experiments show that the method is reasonable.
Ključne riječi
correlation degree; reliability; rolling bearing; zero-failure data
Hrčak ID:
281658
URI
Datum izdavanja:
15.10.2022.
Posjeta: 983 *