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中文摘要：
将可靠性优化设计理论、可靠性灵敏度方法与稳健设计方法相结合，并应用四阶矩技术，讨论了具有任意分布参数的车辆常用弹簧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。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车辆常用弹簧的可靠性稳健设计，迅速准确地得到具有任意分布参数的车辆常用弹簧的可靠性稳健设计信息。数值算例表明本文所提出的方法是一种非常方便和实用的可靠性稳健设计方法。
英文摘要：
Applying the reliability-based optimization design theory, the reliability sensitivity technique, the robust design method and the fourth moment technique, we study in detail the reliability-based robust design of vehicle springs with arbitrary distribution parameters, and present 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 described as a multi-objective optimization. On the condition of knowing the first four moments of basic random variables, the respective program can be used to obtain the reliability-based robust design information of vehicle springs with arbitrary distribution parameters accurately and quickly. The numerical results show that our method is convenient and practical.
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