In military terminology, a preemptive operation is the action of striking your enemy before he has the chance to strike you. In the support and maintenance of shipboard machinery and equipment, preemptive maintenance will provide ships' personnel with the ability to act on potenatial machine failure and repair/replacement situations before shutdown and operational crisis can occur. A Preemptive Maintenance system combines the concepts of equipment Intrinsic Health Monitoring (IHM) (a form of condition monitoring) and Predictive Maintenance (PDM) in a manner which produces optimum efficiency in equipment functional operation as well as optimizing logistics in support of operations.
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