Reliability analysis of rolling bearings considering failure mode correlations

失效模式及影响分析 可靠性(半导体) 方位(导航) 结构工程 可靠性工程 极限状态设计 极限(数学) 工程类 计算机科学 数学 功率(物理) 物理 量子力学 数学分析 人工智能
作者
Aodi Yu,Ruixin Ruan,Xubo Zhang,Yuquan He,K. Li
出处
期刊:Quality and Reliability Engineering International [Wiley]
卷期号:40 (6): 3079-3095 被引量:1
标识
DOI:10.1002/qre.3566
摘要

Abstract As an essential mechanical component, a rolling bearing can exhibit multiple failure modes that may occur independently or in correlation with one another. A reliability analysis method that meticulously accounts for the interdependencies among various bearing failure modes is presented in this paper. The examination of wear and fatigue failure mechanisms in rolling bearings is carried out using the Physics of Failure (PoF) approach. By considering the influence of uncertain variables, the limit state functions for individual failure modes are formulated through the application of stress‐strength interference theory. In the context of wear failure, the limit state function is derived using working clearance as the characteristic quantity. On the other hand, the limit state function for fatigue failure is constructed with a focus on fatigue damage accumulation. The Copula function is used to characterize the relationship between wear failure and fatigue failure, and a reliability calculation model for rolling bearings is developed, considering the correlation between these failure modes. Ultimately, the proposed method is utilized to assess the reliability of bearings under two different sets of test conditions. The feasibility of this method is confirmed through test data, demonstrating its effectiveness in predicting bearing reliability. Through the application of this method, engineers can optimize bearing size parameters, select appropriate initial clearances, and enhance the reliability design of bearing.
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