1) interval stress-interval strength interference model
区间应力-区间强度干涉模型
2) stress-strength interference model
应力-强度干涉模型
1.
Based on analyses made to limitations and applicable ranges of the present models,from the physical model of component s failure-stress-strength interference model,a component s failure probability was regarded as the conditional failure probability with its stress,that was a random variable.
在分析了现有共因失效模型的适用范围与局限性的基础上,从零件失效物理模型———应力-强度干涉模型出发,把零件失效概率看作是基于应力的条件概率,即为随机变量;推导了基于零件条件失效概率分布的共因失效概率模型;通过Monte Carlo法仿真及最优化方法优化,得到了零件条件失效概率分布的类型;对模型中的参数进行估计,得到部分失效数据下的参数估计值。
2.
,the stress-strength interference model,components failure probability is regarded as a random variable complying with a certain distribution.
根据可靠性数学理论,从零件失效物理模型应力-强度干涉模型出发,把零件失效概率看作是服从某种分布的随机变量,推导了冗余系统共因失效概率预测模型的数学表达式。
3) intensity-stress interference model
强度-应力干涉模型
5) multivariate stress-strength interference model
多元应力-强度干涉模型
1.
In engineering,the reliability analysis is difficult by using general univariate stress-strength interference model under multivariate stresses and strengths,and the correlations between which is difficult to confirm,thus it is necessary to study the reliability analysis with multivariate stress-strength interference model.
实际工程中,应力和强度是多维相关的,且相关信息很难获得,使用传统的单维应力-强度干涉模型很难进行可靠度分析,需要研究多元应力-强度干涉模型的可靠度计算问题。
补充资料:可信区间
可信区间
是以上、下可信限为界的一个范围。是按一定的概率估计总体参数的可能范围。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条