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Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   JULY 2004 , Volume 17 , Number 2 (TRANSACTIONS B: APPLICATIONS); Page(s) 171 To 182.
 
Paper: 

RELIABILITY ANALYSIS OF REDUNDANT REPAIRABLE SYSTEM WITH DEGRADED FAILURE

 
 
Author(s):  JAIN M.*, MAHESHWARI S., MAHESHWARI R.
 
* DEPARTMENT OF MATHEMATICS, INSTITUTE OF BASIC SCIENCE KHANDARI, AGRA-282002, INDIA
 
Abstract: 

This investigation deals with the transient analysis of the machine repair system consisting of M-operating units operating under the care of single repairman. To improve the system reliability/availability, Y warm standby and S cold standby units are provided to replace the failed units. In case when all spares are being used, the failure of units occurs in degraded fashion. In such situation there is a facility of one additional repairman to speed up the repair. The lifetime and repair time of units are exponentially distributed. We use matrix method to solve the governing Chapman-Kolmogorov equations. Expressions for the system reliability, availability, mean time to system failure, etc. are established in terms of transient probability. Computational scheme is discussed to facilitate the numerical results. Sensitivity analysis is also carried out to depict the effect of various parameters on the system reliability.

 
Keyword(s): MACHINE REPAIR, WARM STANDBY, COLD STANDBY, DEGRADED, ADDITIONAL REPAIRMAN, MEAN TIME TO FAILURE (MTTF), RELIABILITY, AVAILABILITY
 
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