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국가지식-학술정보

정기보전 제도에서 응급수리를 고려한 신제품 수리정책에서의 비용분석 모델

Cost Analysis Model with Minimal Repair of New Unit Repair Policy under Periodic Maintenance Policy

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This paper deals with cost analysis model in periodic maintenance policy. The repair policy with minimal repair is considered as follow : as the occurrence of failure between minimal repair and periodic interval time, unit is replaced by a new unit before the periodic maintenance time comes. Then total expected cost per unit time is calculated according to time delta t in a view of customer's. The total expected costs are included repair and usage cost : operating, fixed, minimal repair, periodic maintenance and new unit expected cost. Numerical example is shown in which failure time of item has Normal distribution.

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