北京交通大学 机械与电子控制工程学院， 北京 100044
出版日期:2019-10-28发布日期:2019-11-01通讯作者:李强，男，教授，博士生导师，电话（Tel.）: 13911394919；E-mail：qli3@bjtu.edu.cn.作者简介:丁然 (1989-)，男，北京市人，博士生，主要研究方向为疲劳可靠性.基金资助:国家自然科学基金重大项目（11790281）Method in Conservative Estimation of Reliability Based on Damage Accumulation Model
DING Ran，LI QiangSchool of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China
Online:2019-10-28Published:2019-11-01摘要/Abstract
摘要： 提出一种通过代数和计算可靠度保守估计的方法，导出了损伤服从不同分布时可靠度保守估计的条件.结合应用实例，对比本文计算结果和 Monte-Carlo 模拟结果，验证了本文所提方法的可行性与合理性.
关键词: 疲劳寿命分析； 损伤累积模型； 可靠度估计； 中心极限定理
Abstract: A method in estimating the conservative reliability by calculating algebraic sum of damage is proposed. The conditions that this method could be used to get the conservative estimation is calculated for several distributions. Combined with application examples, the feasibility and rationality of this method are validated by comparing the results of this method and Monte-Carlo simulation.
Key words: fatigue life analyses; damage accumulation model; reliability estimation; central limit theorem
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