Optimal burn-in for minimizing cost and multi-objectives

1
Optimal burn-in for minimizing cost and
multi-objectives

• ??????? ??
• ? ? ????

2
1. Introduction

• ???????????????????,?????????

3
2. Two-mixed Weibull Distribution

• Two-mixed Weibull Distribution
• ??????(the weak population )?CDF
• ????(the main population )?CDF
• ??????CDF?
• ??the weak population?the main population?CDF?????
  ??
• p?????????,1-p?????????

4

• The CDF of Two-mixed distribution
• The Failure Rate of Two-mixed distribution

5
3. Cost model
6

• ???????????

7
4. Minimizing Total Cost
8

• ??????????????????
• ??????????????????

9

• ??A two-mixed exponential distribution

10
5. An illustrative example

• ???????Kececioglu Sun?
• n150?CMOS???125??5V?????
• ?????????????????????????????????

11

• The optimal burn-in timet 2092 h

12
6. Optimal burn-in for multi objective

• ????????????????????
• ?????,????????,????????????
• ?????????????????????????????

13

• ??????????
• ???????x???????,?????? ???????
• ???????????,???????(mean residual life MRL)
  ??????

14
6.1 Model assumptions

• ??N??????
• ???????nj?????????, nj????
• ??????nj?1???????????
• ???????

15

• ??????????
• ????????

16
7. Conclusion

• ???????????????????,?????,?????????????????
• ????????????,??????????????????????????
• ??????????????????,??????????????????
• ??????????????,????????????

17

• ????

18
(No Transcript)
19
(No Transcript)
20
6.2 Example

• ??????,?????????Two-mixed Weibull
  distribution???

21

• ??????????,??????x25,000 h?????????
• ?????????????
• ?????? ??? 0.00195313
• ???(0, ???)?,?????????????Pareto????

22
(No Transcript)