The Method for Estimating the Time to Failure in Accelerated Life Test

Author:

Chen Zhong Zhen1,Xu Lu Tie1

Affiliation:

1. Shijiazhuang Mechanical Engineering College

Abstract

Accelerated life test was an important means to obtain storage reliability index of missile-borne photoelectric system. Because of difficulty to continuously test, the number of failure samples in the test range could be only got. Whether distribution intervals, logarithmic distribution or new failure time estimation method proposed in this paper such as range median distribution and the uniform distribution of the index had their applicable limitations. On the basis of comparison to Monte Carlo numerical simulation method, the characteristics of the applicability of the estimation method based on Weibull distribution were explored.

Publisher

Trans Tech Publications, Ltd.

Reference6 articles.

1. Zhang Zhihua. Accelerated Life Test and Its Statistical Analysis, (Beijing University of Technology Press, Beijing 2002).

2. GB 2689. 1-81, Constant stress life testing and accelerated life testing - General.

3. GJB736. 73-91, Method of Initiating Explosive Device Test.

4. Zhang Jianzhong. Weibull Distribution Parameter Estimation Precision of the Method, Journal of Applied Mathematics, Vol. 5, No. 4 (1982), p.61.

5. Andreas Troster. Monte Carlo Simalayion in Fourier Space. Computer Physics Communications, Vol. 179(2008), p.30.

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