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Literature review of proportional hazards model
Engineering and Construction
Pages 11 (2761 words)
[Student’s Name] [Instructor’s Name] [Course name and code] 18 July 2012. Research Proposal Title Preventive maintenance scheduling with proportional hazard model. Significance of the research The routines of preventive maintenance are performed with the concept that they can enhance the system utilization through components.
The prime factor that makes the modeling of preventive maintenance complicated is the quantification of the preventive maintenance’s effect at different intervals. This research is meant to model the preventive maintenance using the proportional hazard model. Objectives of the research The objectives of this research are: To develop a realistic model of preventive maintenance scheduling To introduce a heuristic approach to implement the proportional hazard model for preventive maintenance scheduling To use the full condition history of the equipment for scheduling the successive interval of preventive maintenance Methodology Appropriate explanatory variables will be used to fit two proportional hazard models, one for the equipment’s life after the corrective work, and the other for the equipment’s life after the preventive maintenance. The next interval of preventive maintenance will be scheduled using the two models within a simulation framework. Two distinct criteria will be used to estimate the schedules of optimal preventive maintenance, one of which will be a fixed horizon while the other will be the maximization of availability in one interval of preventive maintenance. ...
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