Solution of a simple overhaul problem.

by John McCall

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A method for solving a simple overhaul problem that may be applicable to the guidance and control section of the Minuteman missile. The system considered is composed of two subsystems, one of which fails randomly while the other fails according to an aging distribution. Both subsystems are inspected periodically, and the system is shipped to a depot whenever a failure of either sub- system is detected. Given a failure, a method is presented for determining the replacement and repair actions that should constitute an overhaul. The method also indicates the age at which an unfailed system should be overhauled. The method is designed so that system effectiveness is maximized

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