Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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Comparison of Reliability Estimation Methods for One-shot Systems Using Accelerated Life Tests

가속수명시험을 이용한 원샷 시스템의 신뢰도 추정방법 비교

  • Son, Young-Kap (Dept. of Mechanical and Automotive Engineering, Andong Nat'l University) ;
  • Jang, Hyun-Jung (Dept. of Mechanical Engineering, Andong Nat'l University)
  • 손영갑 (안동대학교 기계자동차공학과) ;
  • 장현정 (안동대학교 기계공학과)
  • Received : 2010.05.27
  • Accepted : 2010.08.27
  • Published : 2010.12.01
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Abstract

This paper shows accuracy comparison results of reliability estimation methods for one-shot systems with respect to sample sizes. To compare accuracy in reliability estimation methods, quantal-response data, characterizing one-shot systems, were simulated using failure times of LED obtained through the accelerated life test, and then the true reliability over time was evaluated using the failure times. The simulated quantal-response data were used to estimate the true reliability through applying reliability estimation methods in open literature. Accuracy of each reliability estimation method was compared in terms of both SSE (Sum of Squared Error) and MSE (Mean Squared Error), and then estimation trend for each method is found. Feasible bounds which true reliability would exist within were estimated through applying the found trends to quantal-response data set of a real weapon system.

Keywords

References

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