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Reliability analysis of a complex system, attended by two repairmen with vacation under marked process with the application of copula

Tiwari, N.    (Department of Mathematics, Statistics and Computer Science G. B. Pant University of Agriculture and Technology   ); Singh, S.B.    (Department of Mathematics, Statistics and Computer Science G. B. Pant University of Agriculture and Technology   ); Ram, M.    (Department of Mathematics Graphic Era University  );
  • 초록

    This paper deals with the reliability analysis of a complex system, which consists of two subsystems A and B connected in series. Subsystem A has only one unit and B has two units $B_1$ and $B_2$ . Marked process has been applied to model the complex system. Present reliability model incorporated two repairmen: supervisor and novice to repair the failed units. Supervisor is always there and the novice remains in vacation and is called for repair as per demand. The repair rates for supervisor and novice follow general and exponential distributions respectively and the failure time for both the subsystems follows exponential distribution. The model is analyzed under "Head of line repair discipline". By employing supplementary variable technique, Laplace transformation and Gumbel-Hougaard family of copula various transition state probabilities, reliability, availability and cost analysis have been obtained along with the steady state behaviour of the system. At the end some special cases of the system have been taken.


  • 주제어

    Reliability .   M.   T.   T.   F .   marked process .   head of line repair policy .   Gumbel-Hougaard family of copula .   vacation.  

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