Failure Rate Estimation in a Dynamic Environment
نویسندگان
چکیده
We present a method to assess the reliability of a material operating in a dynamic environment. The dynamic environment is represented as a sequence of shocks governed by a self-exciting point process. Different distribution models for the time-to-failure of the material are suggested. The case of a piecewise exponential model where a Cox’s model is integrated to take into account the effect of the stress is investigated. Maximum likelihood estimates of the model parameters are studied.
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