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Study on ALDT Optimal Setting Considering Retention Level of Repair Items

수리품목 보유수준을 고려한 ALDT 최적화 설정방안 연구

  • Received : 2019.11.14
  • Accepted : 2020.03.06
  • Published : 2020.03.31

Abstract

RAM of elements to support weapon systems is conducted at the initial development phase and standard is suggested to accomplish strategy requirement performance from a design spec. Operational availability is a key point of the military's ability to ensure combat readiness and to win the battle. In the weapon system development phase, operational availability is used as a development standard. The military provides ALDT, operation and standby time, which are elements of operational availability. ALDT is a key element of operational availability that must be maintained for combat readiness, as it depends on the aging of a weapon system, maintenance policies and geographical conditions. Operational Availability to be set at the development phase has many differences from the operational availability that is analyzed in the actual operational phase because ALDT is applied as a simple assumption. In the paper, we analyzed ALDT applying the decision tree method through failure data acquired from initial operation. Through this study, we have devised the optimal ALDT setting method to achieve operational availability about operation when the weapons system is unstable.

무기체계를 지원하는 요소들 중에 있어서 RAM 업무는 개발 초기단계에 수행되며, 무기체계의 작전요구성능과 함께 설계 관점에서 무기체계가 달성해야 할 기준으로 제시된다. RAM 업무 중 운용가용도는 전투준비태세를 보장하고 전쟁에서 승리하기 위한 군의 핵심요소로서, 무기체계 개발 단계에서 개발기준으로 사용되고 있다. 이러한 운용가용도의 요소에는 평균 고장간 시간, 평균 수리시간, 행정 및 군수 지연시간(ALDT: Administrative and Logistic Delay Time, 이하 ALDT) 등이 있으며, ALDT는 무기체계의 노후화, 정비정책 및 지리적인 특수상항에 달라지는 요소로 군의 전투준비태세를 위해 유지해야 하는 운용가용도의 핵심요소라고 할 수 있다. 개발 간 군은 운용가용도의 요소 중 ALDT, 운용 및 대기 시간 등을 제공하며, 제공시 ALDT가 단순 가정으로 제시되어 개발단계에서 설정되어 산출되는 운용가용도는 실제 운용단계에서 분석한 운용가용도와 상이하다. 따라서, 본 논문에서는 초기 전력화 기간 동안 획득한 고장정비 데이터를 의사결정계보기법을 적용하여 ALDT를 산출하였으며, 본 연구를 통해 전력화 운용기간 동안 개발시 설정한 운용가용도를 달성하기 위한 최적의 ALDT 설정 방안을 제시한다.

Keywords

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