RELIABILITY PREDICTION OF MISSILE EJECTION SYSTEM BY FAULT TREE ANALYSIS
T. Sree Vidya
M. Tech. Reliability Engg., student, JNTUA, CEA, AP India , IN
T. Vijayalakshmi
M. Tech. Reliability Engg., student, JNTUA, CEA, AP India , IN
S. Giridhar Rao
M. Tech. Reliability Engg., student, JNTUA, CEA, AP India , IN
V. Sankar
M. Tech. Reliability Engg., student, JNTUA, CEA, AP India , IN
Keywords: Distribution models, MTBF, Fault Tree Analysis, BlockSim
Abstract
A Canisterised missile launch system is presented in this paper. The missile comes out of the canister and the main booster motor gets ignited in mid air. In this paper, Mean Time Between Failure (MTBF) is calculated for a sub systems involved in the ejection mechanism of a missile from the canister. The suitable distribution models were selected for estimating the reliability of each sub system. It appears that so far, in the literature Fault Tree Analysis for Canisterised Missile launch system has not been dealt with. The Fault tree is constructed using BlockSim software tool from Reliasoft for the top event “Booster motor not ignited”. The MTBF values of sub systems are entered in fault tree and reliability for the defined event has been calculated. The advantages of canisterised missile system are also presented in this paper.
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