A Reliability Modeling Approach to Avoiding Mis-specification of Pseudo Life Distribution in CSADT

doi:10.3969/j.issn.1000-1093.2014.12.024

Abstract

Abstract: A reliability modeling approach based on parameter conversion is proposed to avoid the mis-specification of pseudo-life distribution in constant stress accelerated degradation test (CSADT). The proposed method models the parameters of degradation path functions. It is different from the traditional method that models the parameters of distribution functions. The pseudo life of all samples under the working stress is evaluated, and the distribution type can be accurately identified. A application example with the CSADT data of carbon-film resistors is provided. The research results show that the proposed method can effectively resolve the problem of mis-specification of pseudo-life distribution.

Key words: ordnance science and technology, constant stress accelerated degradation test, pseudo life, mis-specification, acceleration factor

CLC Number:

TB114.3

XU Ting-xue, WANG Hao-wei, ZHANG Lei. A Reliability Modeling Approach to Avoiding Mis-specification of Pseudo Life Distribution in CSADT[J]. Acta Armamentarii, 2014, 35(12): 2098-2103.

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