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A Study on a Discrete Event Simulation Model for Availability Analysis of Weapon Systems

Authors: Hye Lyeong Kim, Sang Yeong Choi


This paper discusses a discrete event simulation model for the availability analysis of weapon systems. This model incorporates missions, operational tasks and system reliability structures to analyze the availability of a weapon system. The proposed simulation model consists of 5 modules: Simulation Engine, Maintenance Organizations, System, its Mission Profile and RBD which are based on missions and operational tasks. Simulation Engine executes three kinds of discrete events in chronological order. The events are mission events generated by Mission Profile, failure events generated by System, and maintenance events executed by Maintenance Organization. Finally, this paper shows the case study of a system's availability analysis and mission reliability using the simulation model.

Keywords: Reliability, Availability, MTBF (Mean Time Between Failure), MTTR (Mean Time To Repair), RBD (Reliability Block Diagram)

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