Geodesic
Machine repair problem in production systems with spares and server vacations
RAIRO - Operations Research - Recherche Opérationnelle, Tome 43 (2009) no. 1, pp. 35-54

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This paper studies the machine repair problem consisting of M operating machines with S spare machines, and R servers (repairmen) who leave for a vacation of random length when there are no failed machines queuing up for repair in the repair facility. At the end of the vacation the servers return to the repair facility and operate one of three vacation policies: single vacation, multiple vacation, and hybrid single/multiple vacation. The Markov process and the matrix-geometric approach are used to develop the steady-state probabilities of the number of failed machines in the system as well as the performance measures. A cost model is developed to obtain the optimal values of the number of spares and the number of servers while maintaining a minimum specified level of system availability. Some numerical experiments are performed and some conclusions are drawn.

DOI : 10.1051/ro/2009004
Classification : 60K25, 90B22
Keywords: hybrid multiple/single vacation, machine repair problem, matrix-geometric approach, multiple vacations, single vacation 
@article{RO_2009__43_1_35_0,
     author = {Ke, Jau-Chuan and Lee, Ssu-Lang and Liou, Cheng-Hwai},
     title = {Machine repair problem in production systems with spares and server vacations},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {35--54},
     publisher = {EDP-Sciences},
     volume = {43},
     number = {1},
     year = {2009},
     doi = {10.1051/ro/2009004},
     mrnumber = {2502324},
     zbl = {1158.60378},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/ro/2009004/}
}
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AU  - Liou, Cheng-Hwai
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Ke, Jau-Chuan; Lee, Ssu-Lang; Liou, Cheng-Hwai. Machine repair problem in production systems with spares and server vacations. RAIRO - Operations Research - Recherche Opérationnelle, Tome 43 (2009) no. 1, pp. 35-54. doi: 10.1051/ro/2009004

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