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

Kim, Ho Gyun (Department of Industrial & Management Engineering, Dong-Eui University)
Son, In Soo (Department of Mechanical Engineering, Dong-Eui University)
Publication Information
Journal of Applied Reliability / v.16, no.2, 2016 , pp. 110-117 More about this Journal
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
Imperfect Repair; Availability; Fourier Transform Technique; Residue; Singularity;
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