考虑广义耦合的多应力加速寿命评估方法

张帆, 田润操, 王鹏, 董磊

Multi-stress accelerated life evaluation method considering generalized coupling

Fan ZHANG, Runcao TIAN, Peng WANG, Lei DONG

表1 通用多应力MLE模型各相取值

Table 1 Values of each phase of the general multi-stress MLE model

数据类型 A B C D 完全样本 $\sum\limits_{h=1}^q n_h$ nh $\sum\limits_{h=1}^q \sum\limits_{i=1}^{n_h} \ln t_{h i}$ $\sum\limits_{h=1}^q \sum\limits_{i=1}^{n_h} t_{h i}^\beta$ 随机截尾 $\sum\limits_{h=1}^q r_h$ rh $\sum\limits_{h=1}^q \sum\limits_{i=1}^{r_h} \ln t_{h i}$ $\sum\limits_{h=1}^q\left(\sum\limits_{i=1}^{r_h} t_{h i}^\beta+\sum\limits_{j=1}^{c_h} t_{h j}^\beta\right)$ 定时截尾 $\sum\limits_{h=1}^q r_h$ rh $\sum\limits_{h=1}^q \sum\limits_{i=1}^{r_h} \ln t_{h i}$ $\sum\limits_{h=1}^q\left(\sum\limits_{i=1}^{r_h} t_{h i}^\beta+\left(n_h-r_h\right) t_{h 0}^\beta\right)$ 定数截尾 $\sum\limits_{h=1}^q r_h$ rh $\sum\limits_{h=1}^q \sum\limits_{i=1}^{r_h} \ln t_{h i}$ $\sum\limits_{h=1}^q\left(\sum\limits_{i=1}^{r_h} t_{h i}^\beta+\left(n_h-r_h\right) t_{h r}^\beta\right)$