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RELIABILITY ANALYSIS OF A SIMPLE REPAIRABLE SYSTEM

Part of: Stability

Published online by Cambridge University Press:  05 September 2011

L. N. GUO ,
H. B. XU ,
C. GAO  and
G. T. ZHU
L. N. GUO*
Affiliation:
Department of Mathematics, Taiyuan University of Technology, Taiyuan 030024, PR China (email: [email protected])
H. B. XU
Affiliation:
Department of Mathematics, Beijing Institute of Technology, Beijing 100081, PR China (email: [email protected])
C. GAO
Affiliation:
Department of Engineering, Beijing Institute of Information and Control, Beijing 100037, PR China (email: [email protected])
G. T. ZHU
Affiliation:
Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100080, PR China (email: [email protected])
*
✉For correspondence; e-mail: [email protected]
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Abstract

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We consider a new kind of simple repairable system consisting of a repairman with multiple delayed-vacation strategy. A common technique in reliability studies is to substitute the steady-state reliability indexes for instantaneous ones because the dynamic solution of the system is difficult or even impossible to obtain. However, this substitution is not always valid. Therefore, it is important to study the existence, uniqueness and expression for the system’s dynamic solution, and to discuss the system’s stability. The purpose of this paper is threefold: to study the uniqueness and existence of the dynamic solution, and its expression, using C0-semigroup theory; to discuss the exponential stability of the system by analysing the spectral distribution and quasi-compactness of the system operator; to derive some reliability indexes of the system from an eigenfunction point of view, which is different from the traditional Laplace transform technique, and present a profit analysis to determine the optimal vacation time in order to achieve the maximum system profit.

Keywords

dynamic solutionsteady-state solutionC0-semigroup theoryexponential stabilityreliability indexprofit analysis

MSC classification

Secondary: 93D20: Asymptotic stability
Type
Research Article
Information
The ANZIAM Journal , Volume 52 , Issue 2 , October 2010 , pp. 203 - 217
Copyright
Copyright © Australian Mathematical Society 2011

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