Reliability Analysis for a System under Imperfect Repair Using Fourier Transform Technique

Fourier 변환 기법을 이용한 불완전 수리를 실시하는 시스템의 신뢰도 분석

  • Kim, Ho Gyun (Department of Industrial & Management Engineering, Dong-Eui University) ;
  • Son, In Soo (Department of Mechanical Engineering, Dong-Eui University)
  • 김호균 (동의대학교 산업경영공학과) ;
  • 손인수 (동의대학교 기계공학과)
  • Received : 2016.05.03
  • Accepted : 2016.06.02
  • Published : 2016.06.25

Abstract

Purpose: Biswas and Sarkar [11] found the availability of a system maintained through several imperfect repairs before a replacement is allowed. However they missed a part of coefficients in the integration. This paper corrects the erratum of Biswas and Sarkar [11] and performs the reliability analysis incorporating the optimal number of imperfect repairs. Methods: To find the singularities and residues of the suitable complex-valued function for the availability, the computer package Matlab is used. Also the performance measures are calculated by defining and assigning costs. Results: The accurate availability functions with respect to the numbers of imperfect repairs and the optimal number of imperfect repairs before a replacement are obtained. Conclusion: The reliability for a system under imperfect repair before a replacement is analyzed using Fourier transform technique.

Keywords

References

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