| Summary: | 碩士 === 逢甲大學 === 交通工程與管理所 === 92 === In recent years, it is developed quickly in the Taichung City, but the urban bus system didn’t offer the better service to meet the citizen travel demand. Therefore, it happened the more people used the private transportation mode and the worse traffic environment became. Due to this, the Taichung City Government promoted new urban bus services, the High Potential Demand Bus, to improve the bus system. The traffic survey found the High Bus operation didn’t reach the expected goal. Therefore, the purpose of this study is to investigate its operation and find the feasibility of the mixed fleet operation on the High Potential Demand Bus System.
This research attempts to conduct the mixed fleet model for multi-route and multi-period vehicle operation for the urban bus system and proposes the solution procedure of the model optimization. A case study is provided to demonstrate the feasibility and the results show the feasibility of the mixed fleet operation for the the United Highway Bus Company. The results indicate total system costs of the mixed fleet could be less than that of the single-capacity fleet and address the common rules for the mixed fleet operation. The model and numerical analyses in this study can be used as a guideline for operation of the urban bus system.
Key words：bus system , mixed fleet , fleet size
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