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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Bai, D.S. Chun, Y.R. |
| Copyright Year | 1963 |
| Abstract | Optimum simple step-stress accelerated life tests (ALTs) for products with competing causes of failure are presented. The life distribution of each failure cause, which is independent of the others, is assumed to be exponential with a mean that is a log-linear function of the stress, and a cumulative exposure model is assumed. Optimum plans for time-step and failure-step ALTs are obtained which minimize the sum over all failure causes of asymptotic variances of the maximum likelihood estimators of the log mean lives at design stress. The competing causes of failure affect the optimum test plan only through the product of two ratios-the ratio of the sums of the mean lives and the ratio of the sums of the failure rates over all failure causes at low and high stress levels. The effect of this product (of two ratios) is studied.< |
| Sponsorship | IEEE Reliability Society |
| Starting Page | 622 |
| Ending Page | 627 |
| Page Count | 6 |
| File Size | 530986 |
| File Format | |
| ISSN | 00189529 |
| Volume Number | 40 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1991-12-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Acceleration Stress Life estimation Life testing Failure analysis Maximum likelihood estimation Ducts Cable insulation Senior members Statistical analysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Safety, Risk, Reliability and Quality Electrical and Electronic Engineering |
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