Abstract
Electric buses (EBs) have been implemented worldwide and exhibited great potential for air pollution reduction and traffic noise control. In regular charging scenarios, the deployment of charging facilities and the operational scheduling of the transit system is crucial to bus transit system management. In this paper, we proposed a joint optimization model of regular charging electric bus transit network schedule and stationary charger deployment considering partial charging policy and time-of-use electricity prices. The objective of the model is to minimize the total investment cost of the transit system including the capital and maintenance cost of EBs and chargers, the power consumption cost, and time-related in-service cost. A solving procedure based on the improved adaptive genetic algorithm (AGA) is further designed and a transit network at inner Anting Town, Shanghai, with 8 individual bus routes and 867 daily service trips is adopted for the model validation. The validation results illustrated that the methodology considering the partial charging policy can arrange the charging schedule adaptive to the time-of-use electricity prices. Compared with the benchmark of single line separate scheduling, the proposed model can yield 3 million RMB investment saving by highly utilizing EBs and battery chargers.
Highlights
With the development of electric powertrain technologies, electric vehicles have been adopted worldwide. is new type of vehicle is environmentally friendly due to its low-level air pollution and noise generation and has been regarded as a potential alternative to conventional diesel automotive [1,2,3,4,5,6].According to recent research, transit bus system is a major area for electric vehicle adoption
We propose a joint optimization methodology of regular charging electric buses (EBs) transit network schedule and stationary charger deployment. e methodology takes into account the range limitation of travel distance and state of charge (SOC) as constraints
EB transit system has been regarded as a promising means of transportation for reducing traffic congestion, air pollution, and traffic which cities suffered
Summary
Is new type of vehicle is environmentally friendly due to its low-level air pollution and noise generation and has been regarded as a potential alternative to conventional diesel automotive [1,2,3,4,5,6]. Transit bus system is a major area for electric vehicle adoption. A significant number of public transit routes have been configured with electric buses (EBs) throughout the world. According to Wang et al [7], over 16000 conventional diesel buses have been replaced by EB in Shenzhen, China, and the usage percentage of EB in its bus transit system has reached 100% at the end of 2017. It is predicted that full application of EB will potentially lead to a 50% decrease in fuel consumption in the foreseeable future [8]
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