• Title/Summary/Keyword: RAM(Reliability, Maintainability, Availability)

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A Study on the Applying Improvement Method of Guide for efficient depot level maintenance (효율적인 창정비요소개발을 위한 지침 개선적용 연구)

  • Jeong, Inn-Sung;Kim, Hyeong-Do
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.12
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    • pp.789-796
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    • 2019
  • If the development of Integrated Logistics Support (ILS) for maintenance of the end step is conducted systematically and efficiently, the weapon system lifecycle can be postponed and the availability can be improved. DEFense CONdition (DEFCON) is maintained as perfect. Nevertheless, like its importance, the guide for maintaining the depot performance is applied differently for each weapon system. The errors that can result cause additional cost, etc. ILS development at depot level maintenance is different from full scale development. Therefore, this study distinguishes the management and deployment section for the development concept. An additional way to perform an efficient development of depot maintenance element when determining the depot maintenance period were presented. This study examined how the Reliability, Availability, Maintainability (RAM), Logistics Support Analysis (LSA), and ILS 11 elements intersect at the depot maintenance sources. An analytical study of concrete adoptable plans was performed. The systematic adoption of a development procedure can make it possible to calculate the adoptable development cost. In addition, it can be helpful for improving the quality level and practical use of work products.

A Study on the RAMS Analysis of Urban Maglev Train Control System (도시형자기부상열차 열차제어시스템 RAMS 분석에 관한 연구)

  • Yun, Hak-Sun;Lee, Key-Seo;Ryou, Sung-Kyun;Yang, Dong-In
    • Journal of the Korean Society for Railway
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    • v.14 no.6
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    • pp.515-525
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    • 2011
  • In this study, Urban maglev is applied to inductive-loop speed and position detection system for the top-level classification system for the entire system, and performed functional analysis On-board signal equipment, Wayside-signal equipment divided by the reliability, availability, maintainability, and safety through analysis of the proposed formula. RDB and by applying a system service for each device was calculated to availability, safety analysis. The PHA, FMEA, HAZOP over the Top Event of the FTA is performed by presenting the results. This also shows approach methods and relative activities for project to accomplish and ensure the system requirements.

A Development of OMS/MP Templete of Guided Weapons on Board Ship (함정탑재 유도무기에 대한 OMS/MP 템플릿 개발)

  • Kwon, Yong-Soo;Lee, Kyoung-Haing
    • Journal of the military operations research society of Korea
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    • v.33 no.2
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    • pp.17-29
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    • 2007
  • This work describes a basic process of OMS/MP in guided weapons on board ship. The OMS/MP which provided basic data of ROC & RAM analysis must be prepared by user But data acquisition Quantified by specific operational environment of ship and related preparing instructions which are not established are now insufficient of reliable weapon systems acquisition. The OMS/MP is an important area that become measures of Acceptance Test and doctrine considering future battlespace environment From a development of the OMS/MP template that describe systematically and as quantitative of shipped guided weapons, combat developer oriented product development & reliable weapon system acquisition are ta be accomplished. This research developed OMS/MP preparation templete that presented quantified OMS/MP derivation and RAM target value calculation process which provide optimum weapon systems design concept to research developers

A Study on an Operational Availability Computation Model for Weapon Systems (무기체계 운용가용도 산정 모델에 관한 연구)

  • Kim, Hye-Lyeong;Baek, Soon-Heum;Choi, Sang-Yeong
    • Journal of the military operations research society of Korea
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    • v.35 no.3
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    • pp.17-30
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    • 2009
  • In this study, we propose the operational availability computation model that can be used on the weapon system's requirement planning phase. The proposed model consists of the time parameters of Ao(Operational Availability) for a system and each time parameter's estimation method. The time parameters for Ao computation are TT(Total Time) and TDT(Total Down Time). The time parameters are defined by considering OMS/MP(Operational Mode Summary/Mission Profile) elements. TT is a calendar time as a specific mission time at wartime or one year at peacetime. TDT consists of TPM(Total Preventive Maintenance time), TCM (Total Corrective maintenance time), TALDT(Total Administrative and Logistics Down Time). Then the estimation method for these time parameters are presented by the weapon systems types.

Qualitative study of software ILS application: Comparison analysis of maintenance types in software and hardware (소프트웨어 ILS 적용방안 연구 : 소프트웨어와 하드웨어의 유지보수 특성을 고려한 비교 분석을 중심으로)

  • Lee, Kwan-Young;Kim, Sang-Moon;Park, Eun-Shim;Park, Jae-Eun;Kim, Geun-Hyung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.9
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    • pp.5726-5737
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    • 2014
  • The increasing importance of software has highlighted the need for the proper application of software ILS. On the other hand, the development of ILS has been somewhat limited to the area of hardware development. Therefore, this study examined the potential difficulties in applying software ILS to practical uses, and analyzed the drawbacks by reporting several domestic or foreign regulation cases. In addition, the differences between hardware and software ILS were examined by considering their characteristics of maintenance. Eventually, by establishing the proper range, this study proposes a development plan that is suitable for domestic weapon systems. The proposed research is expected to be helpful for offering specific plans for designing software ILS.

A Study on the ILS Development & PLS Method for SI Weapon System based Commercial Items (상용품 기반 SI 무기체계의 효과적 ILS 개발 및 후속군수지원 방안)

  • Jeong, Inn-Sung;Lee, Yu-Se
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.12
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    • pp.417-425
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    • 2020
  • Recently, the development of weapons systems in conjunction with the Fourth Industrial Revolution has increased the number of weapon systems that integrate individual commercial systems by actively incorporating the superior fields of private commercial technologies. In the case of such commercial product-based weapons systems, however, the development of ILS elements across all areas, such as technical manual, military field maintenance support equipment, interactive electronic technical manual (IETM), and Computer Based Training (CBT) development, and weapons system Reliability, Availability, Maintainability(RAM) target values, and logistics support analysis (LSA) was requested to expand the level of development by developers. The commercial product-based System Integration (SI) weapon system will be able to complete the comprehensive military balance for complementing and effective maintenance of the military and developers only when the ILS development, which is limited to the essential elements of the required group, Request For Proposal (RFP) and Post-Logistics Support (PLS) directions were applied in the framework of outsourcing maintenance implementation. As a result, by checking the operation status of current weapons systems, the logistics support of commercial product-based weapon systems selected outsourcing as the basic policy that is decided based on the development requirements, focusing on maintaining operation through a rational decision-making process, and presented a plan for applying the development plan to the RFP for the determined core elements and PLS.