Reliability-based robust design of mechanical components with arbitrary distribution param eters，Part 1：theory

Chinese Journal of Engineering Design

2004, Vol. 11

Issue (5): 233-237 DOI:

Reliability-based robust design of mechanical components with arbitrary distribution param eters，Part 1：theory

ZHANG Yi-Min¹, HE Xiang-Dong¹, LIU Qiao-Ling¹, WEN Bang-Chun²

1．College of Mechanical Science and Engineering，Nanling Campus，Jilin University，Changchun 130025，China；
2．College of M echanical Engineering and Automation，Northeastern University，Shenyang 110004，China

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Abstract This paper extensively discusses the reliability-based robust design of mechanical cornponents with arbitrary distribution parameters by combining the reliability-based optimization design theory，the reliability sensitivity technique and the robust design method and proposed a numerical method for reliability-based robust design．The reliability sensitivity is added to the reliability-based optimization design model and the reliability-based robust design is summed up as a problem of multi-objection optimization．Under the condition that the first four moments of basic random parameters are available，the computer model based on this model can complete the reliability-based robust design of mechanical components with arbitrary distribution parameters and acquire corresponding information accurately and quickly．

Key words： mechanical components reliability optimization reliability sensitivity robust design arbitrary distribution parameters

Published: 28 October 2004

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ZHANG Yi-Min, HE Xiang-Dong, LIU Qiao-Ling, WEN Bang-Chun. Reliability-based robust design of mechanical components with arbitrary distribution param eters，Part 1：theory. Chinese Journal of Engineering Design, 2004, 11(5): 233-237.

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https://www.zjujournals.com/gcsjxb/ OR https://www.zjujournals.com/gcsjxb/Y2004/V11/I5/233

任意分布参数的机械零件的可靠性稳健设计（一）：理论部分

将可靠性优化设计理论、可靠性灵敏度技术和稳健设计方法相结合，讨论了具有任意分布参数的机械零件的可靠性稳健设计问题，提出了可靠性稳健设计的计算方法．把可靠性灵敏度融入可靠性优化设计模型之中，将可靠性稳健设计归结为满足可靠性要求的多目标优化问题．在基本随机参数的前四阶矩已知的情况下，通过计算机程序可以实现具有任意分布参数的机械零件的可靠性稳健设计，迅速准确地得到具有任意分布参数的机械零件的可靠性稳健设计信息。

关键词： 机械零件, 可靠性优化设计, 可靠性灵敏度, 稳健设计, 任意分布参数

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