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http://dx.doi.org/10.5139/JKSAS.2018.46.5.393

Reliability Prediction of Electronic Arm Fire Device Applying Sensitivity Analysis  

Kim, Dong-seong (The 4th Research and Development Institute, Agency of Defense Development)
Jang, Seung-gyo (The 4th Research and Development Institute, Agency of Defense Development)
Lee, Hyo-Nam (The 4th Research and Development Institute, Agency of Defense Development)
Son, Young Kap (Dept. of Mechanical and Automotive Engineering, Andong Nat'l University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.5, 2018 , pp. 393-401 More about this Journal
Abstract
Reliability prediction of an electronic arm fire device(EAFD) was studied which is applied to prevent accidental ignition in a solid rocket motor. For predicting the reliability, the main components of the EAFD were first defined(Control unit, LEEFI, TBI) and the operating principle of each component was analyzed. Performance modeling of each part is established using selected input variables through system analysis. When complex analysis is required, we approximated it with polynomial equation using response surface method. Monte-Carlo simulation is applied to performance modeling to estimate the design reliability.
Keywords
Solid Rocket Propulsion; Electronic Arm Fire Device; Sensitivity Analysis; Reliability Prediction;
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