含有相关变量的螺旋管簧的可靠性优化设计

Reliability optimum design of coil tube-spring under correlative variables

讨论了随机参数服从正态分布变量相关情况下螺旋管簧的可靠性优化设计问题,在基本随机参数均值、方差和相关系数已知的情况下,应用变量相关情况下可靠度指标计算的优化方法并通过计算机程序给与实现,迅速准确地得到了螺旋管簧的可靠性优化设计信息。计算结果表明,提出的方法是一种有效、实用的方法。

Techniques from Hasofer-Lind reliability index calculation method and reliability optimum design method are employed to present the practical and effective method for the reliability optimum design of coil tube-spring on the condition of known probabiliatic characteristics of basic correlative random variables. The respective program can be used to obtain the reliability optimum design information of coil tube-spring accurately and quickly.