| Popis: |
The Wiener degradation models with covariates are widely used for reliability analysis. In this paper, an algorithm for constructing an optimal design, which includes determining optimal stress levels, number of tested devices and time moments for measuring the degradation index, has been developed. The proposed algorithm is based on the optimization of some functional of the Fisher information matrix under restrictions on stress levels, experiment duration and minimum time interval between measurements of the degradation index. Moreover, the example of LED degradation analysis has been considered. |
