A reliability model for stored items requiring rework
Bohannan, James Guy
Lindsay, Glenn F.
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A mathematical model is developed for a system of stored items which are periodically reworked to improve their reliability. Expressions are developed for the expected reliability of the stored items and for the probability that the reliability of an item will exceed a required reliability. These expressions are developed first for the transient start-up phase where new items enter an initially empty system, then for the continuous rework phase where items are being reworked and returned to storage, and finally for the transient replacement phase where the old items are being replaced by new or different items. Numerical examples are presented to demonstrate the use of the expected reliability and probability expressions. (Author)
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