| 非正态随机参数的机械零件的可靠性稳健设计 |
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| 引用本文： | 张义民,杨周. 非正态随机参数的机械零件的可靠性稳健设计[J]. 机械强度, 2010, 32(2) |
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| 作者姓名： | 张义民 杨周 |
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| 作者单位： | 东北大学机械工程与自动化学院,沈阳,110004 |
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| 基金项目： | 国家高技术研究发展计划(2007AA04Z442);;国家自然科学基金重点项目(50535010);;辽宁省高校创新团队项目资助~~ |
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| 摘 要： | 将可靠性优化设计理论、可靠性灵敏度技术与稳健设计方法相结合,讨论具有非正态随机参数的机械零件的可靠性稳健设计问题,提出可靠性稳健设计的计算方法。将可靠性灵敏度溶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。利用四阶矩技术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非正态随机参数的机械零件的可靠性稳健设计,迅速准确地得到具有非正态随机参数的机械零件的可靠性稳健设计信息。数值算例表明文中所提方法是一种非常方便和实用的可靠性稳健设计方法。
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| 关 键 词： | 机械零件 非正态随机参数 可靠性优化设计 可靠性灵敏度 稳健设计 |
RELIABILITY-BASED ROBUST DESIGN OF MECHANICAL COMPONENTS WITH NON-NORMAL RANDOM PARAMETERS |
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| ZHANG YiMin,YANG Zhou. RELIABILITY-BASED ROBUST DESIGN OF MECHANICAL COMPONENTS WITH NON-NORMAL RANDOM PARAMETERS[J]. Journal of Mechanical Strength, 2010, 32(2) |
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| Authors: | ZHANG YiMin YANG Zhou |
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| Affiliation: | School of Mechanical Engineering and Automation/a>;Northeastern University/a>;Shenyang 110004/a>;China |
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| Abstract: | Based on the reliability-based optimization design theory,the reliability sensitivity technique and the robust design method,the reliability-based robust design of mechanical components with non-normal random parameters is extensively discussed and a numerical method for reliability-based robust design is proposed.The reliability sensitivity is added to the reliability-based optimization design model and the reliability-based robust design is described as a multi-objection optimization.On the condition of k... |
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| Keywords: | Mechanical components Non-normal random parameters Reliability optimization Reliability sensitivity Robust design |
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