A Censored Life Data Cut-off Method for Reliability Evaluation
A technology of life data and reliability, applied in data processing applications, instruments, calculations, etc., can solve the problem of underestimating product life and reliability, and achieve the effect of small life dispersion and high precision
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[0052] The present invention will be further elaborated below in conjunction with the accompanying drawings of the description.
[0053] Such as figure 1 Shown, a kind of censored life data selection method for reliability evaluation of the present invention is characterized in that comprising the following steps:
[0054] 1) Determine the shape parameter β in the Weibull distribution function used to characterize the life of electromechanical products;
[0055] 2) Determine the position parameter γ in the Weibull distribution function used to characterize the service life of electromechanical products;
[0056] 3) Determine the scale parameter η in the Weibull distribution function used to characterize the service life of electromechanical products;
[0057]4) Write the specific expression form of product life distribution through shape parameter β, position parameter γ and scale parameter η, and then calculate the value of life mean, standard deviation and coefficient of v...
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