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- Title
A TWO NON IDENTICAL UNITS COLD STANDBY SYSTEM WITH CORRELATED FAILURE TIME AND REPAIR MACHINE FAILURE.
- Authors
Chaudhary, Alka; Sharma, Shivali; Sharma, Anika
- Abstract
The paper deals with a system composed of two-non identical units (unit-1 and unit-2). Initially, unit-1 is operative and unit-2 is kept in cold standby. The cold standby unit can’t fail in its standby mode. Each unit of the system has two possible modes: Normal (N) and total failure (F). When the unit-1 fails the cold standby (unit-2) becomes operative instantaneously with the help of a perfect and instantaneous switching device. A single repairman is always available with the system to repair a failed unit and failed RM. Unit-1 gets priority in operation and repair over unit-2. However, the RM gets priority in repair over any of the units. The RM machine is good initially and can’t fail unless it becomes operative. The system failure occurs when both the units are in total failure mode. The joint distribution of failure and repair times for each unit is taken bivariate exponential distribution. Each repaired unit works as good as new. Using regenerative point technique, various important measures of system effectiveness have been obtained.
- Subjects
DISTRIBUTION (Probability theory); MACHINERY maintenance &; repair; FAILURE time data analysis
- Publication
Reliability: Theory & Applications, 2023, Vol 18, Issue 4, p252
- ISSN
1932-2321
- Publication type
Article