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A general framework to make a sequential preventive maintenances decision using proportional hazards model (PHM)

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4 Author(s)
Ping Jiang ; Coll. of Inf. Syst. & Manage., Nat. Univ. of Defense Technol., Changsha, China ; Zuo, M.J. ; Jae-Hak Lim ; Bo Guo

Preventive maintenance is required for many important systems as failure occurrence results in great loss. Therefore, a sequential preventive maintenance decision procedure is proposed to maintain the hazard rate below the predefined level. A scheduled replacement with lower cost than failure replacement is required after several preventive maintenance actions. The time points (durations) for preventive maintenance and the scheduled replacement is determined by a proportional hazards model (PHM). The number of preventive maintenance is determined by the ratio of the average cost over the average lifetime. A Weibull lifetime system with known parameters is illustrated to carry out the proposed preventive maintenance decision procedure.

Published in:

Industrial Engineering and Engineering Management (IEEM), 2010 IEEE International Conference on

Date of Conference:

7-10 Dec. 2010