Abstract
In this chapter, we study an inspection scheduling problem for one-shot systems. The one-shot systems are composed of several components (Type 1 and 2 units), the systems are inspected periodically to detect systems failure, and the units are maintained preventively. The interval availability and life cycle cost are used as optimization criteria and are estimated by simulation. We aim to determine the inspection intervals, starting points of inspection of one-shot systems, preventive replacement ages of Type 1 units, and preventive maintenance thresholds of Type 2 units that minimize the life cycle cost and satisfy the target interval availability during inspection periods. A hybrid genetic algorithm with a heuristic method is proposed to find near-optimal solutions, and numerical examples are studied to investigate the effects of model parameters on the optimal solutions.
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