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2631762 
Book/Book Chapter 
Multiple Periodic Preventive Maintenance for Used Equipment under Lease 
Boonyathap, P; Jaturonnatee, J 
2010 
Lecture Notes in Engineering and Computer Science 
1852-1857 
WOS:000303703801069 
Upgrading action and preventive maintenance are alternatives to reduce the used equipment failures rate which have more disruptions than the new. The optimal maintenance policy will effective to the most failure decrease. This research is to determine the optimal PM actions that minimize the total maintenance cost for leased equipment when we consider the penalties for equipment failures and repairs time over limit. The formulated models are combined from the advantages of sequential PM and periodic PM policies. Assumption of failures form is applied by Nonhomogeneous Poisson process (NHPP) and failures distribution is appraised Weibull. The optimal solution is achieved from the optimal upgrade level and two timeframes approach which is obtained the optimal of time intervals to carry out PM and the optimal level of PM actions. 
Periodic preventive maintenance; Reliability; Lease; Used equipment