Paper Title
Availability And Profit Analysis Of A Markovian System With Preventive Maintenance

Abstract
This paper deals with a Markovian queueing system, in which the system can fail either partially or completely. The partially failed system can fail completely, or still be operative during maximum operting time. After maximum operintig time, the partially failed system is shutdown for preventive maintenance. When completely failed, the system is repaired. The system works as new after preventive maintenance or repair. The steady-state availability and the expected profit is analized analytically. Index terms- Availability, profit, Markovian system, preventive maintenance, maximum operating time.