Optimizing Preventive Maintenance Models

We deal with the problem of scheduling preventive maintenance (PM) by minimizing a performance function which reflects repair and replacement costs as well as the costs of the PM itself. It is assumed that there is a known model which predicts the frequency of system failure as a function of its age; and it is further assumed that each PM produces a step reduction in the


TR 336, Numerical Optimisation Centre, University of Hertfordshire, Hatfield, AL10 9AB, U.K.



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