Accelerated burn-in and condition-based maintenance for -subpopulations subject to stochastic degradation

Yisha Xiang, David W. Coit and Qianmei (May) Feng

IISE Transactions, 2014, vol. 46, issue 10, 1093-1106

Abstract: For some engineering design and manufacturing applications, particularly for evolving and new technologies, populations of manufactured components can be heterogeneous and consist of several subpopulations. The co-existence of n subpopulations can be common in devices when the manufacturing process is still maturing or highly variable. A new model is developed and demonstrated to determine accelerated burn-in and condition-based maintenance policies for populations composed of distinct subpopulations subject to stochastic degradation. Accelerated burn-in procedures with multiple accelerating factors are considered for the degradation-based heterogeneous populations. Condition-based maintenance is implemented during field operation after burn-in procedures. The proposed joint accelerated burn-in and condition-based maintenance policy are compared with two benchmark policies: a joint accelerated burn-in and age-based preventive replacement policy and a condition-based maintenance-only policy. Numerical examples are provided to illustrate the proposed procedure. Sensitivity analysis is performed to investigate the value of joint accelerated burn-in and condition-based maintenance policy and to indicate which type of policy should be applied according to different conditions and device characteristics.

Date: 2014
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DOI: 10.1080/0740817X.2014.889335

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