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An inspection model with minimal and major maintenance for a system with deterioration and Poisson failures

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3 Author(s)
M. M. Hosseini ; Global Manage. Sci. Sevices, Toronto, Ont., Canada ; R. M. Kerr ; R. B. Randall

A new condition-based maintenance model for a system, subject to deterioration-failures and to Poisson-failures, is presented. After an inspection, based on the degree of deterioration, a minimal maintenance or a major maintenance is performed, or no action is taken. Deterioration failures are restored by major repair; Poisson failures are restored by minimal repair. Major maintenance or major repair restores the system to “good as new” while minimal maintenance restores the system one stage. Generalized stochastic Petri Nets are used to represent and analyze the model, which represents a condition-based maintenance strategy. Based on maximization of the system throughput, an optimal inspection policy within this strategy and optimal inter-inspection time are obtained. The effects of inspection, maintenance and repair parameters are investigated. For a given inspection parameter, a 3-region diagram identifies the effectiveness of an inspection policy based on minimal maintenance, major maintenance, and major repair parameters

Published in:

IEEE Transactions on Reliability  (Volume:49 ,  Issue: 1 )