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| Titel: |
Closed-Loop Conveyor Systems with Breakdown and Repair of Unloading Stations |
| Auteur: |
Bastani, Ali S. |
| Verschenen in: |
IIE transactions |
| Paginering: | Jaargang 22 (1990) nr. 4 pagina's 351-360 |
| Jaar: |
1990-12-01 |
| Inhoud: |
We consider a closed-loop conveyor system having a single loading and multiple unloading stations. The belt of the conveyor moves continuously with a constant speed. Units to be transported on the conveyor system are homogeneous. Interarrival times of units at the loading station are independent and identically distributed (i.i.d.) random variables having exponential distributions. The unloading station(s) are subject to breakdown. When an unloading station fails, 'thesystem operates with the remaining unloading station(s) while the failed station is being repaired. When multiple unloading stations fail, each station is equally likely to be selected for repair. The service times of unloading stations, the time between failures, and the repair times of unloading stations are i.i.d, random variables having exponential distributions. A matrix-geometric solution is obtained which provides an approximation of the steady-state probabilities of the system being in different operating states. In particular, we study the 2-server conveyor systems under different repair policies where we present some numerical results and recommend repair policies for different system parameters. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 10 gevonden artikelen
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