| Summary: | 碩士 === 國立臺灣科技大學 === 工業管理系 === 103 === In order to provide consumers with the choice of a variety of products, manufacturers must continue to develop new products. The development process must take the manufacturing process into account and consider the operational status of the production line equipment. Without a proper plan of equipment maintenance, it may cause the unexpected shutdowns of the production line and spend the extra maintenance cost. Therefore, this thesis investigates the case when the equipment of manufacturer is a two-component system which is connected in parallel or series. The replacement policies under consideration are individual and group. When a component fails during the operation, it is rectified by a minimal repair. In order to reduce the number of failures, a scheduled replacement may be required to replace the component preventively at the pre-specified time. Under this maintenance scheme, the mathematical formula of the expected total cost rate for a two-component system is derived, and then the optimal preventive replacement policy is obtained such that the expected total disbursement cost rate is minimized. Finally, some numerical examples are given to illustrate the impact of the optimal preventive replacement on the total disbursement cost rate.
|
|---|
