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Chang'an University
Department of Transportation Engineering
Gang Chen

Gang Chen
Chang'an University · Department of Transportation Engineering

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Transportation Planning

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Figure 1. The dynamic wireless power transfer (DWPT) facility.

Figure 4. Step procedure of the proposed genetic algorithm (GA).

Figure 5. Sample chromosome representation.

Figure 6. The study bus network in Xi'an, China.

Figure 7. The simplified link-node diagram of the study bus network.

Optimizing Wireless Charging Locations for Battery Electric Bus Transit with a Genetic Algorithm

Article

Full-text available

Oct 2020

Electrifying bus transit has been deemed as an effective way to reduce the emissions of transit vehicles. However, some concerns about on-board battery hinder its further development. Recently, dynamic wireless power transfer (DWPT) technologies have been developed, which enable buses to charge in-motion and overcome the drawback (short service ran...

FIGURE 1. Passenger travel time from pick-up stop i to drop-off stop j

FIGURE 10. Minimized costs vs. value of early arrival time Figure 11...

FIGURE 11. Fleet size vs. value of early arrival time

FIGURE 12. Minimized costs vs. multiplier of bus variable cost

FIGURE 13. Fleet size vs. multiplier of bus variable cost Figure 14...

Optimizing Multi-Terminal Customized Bus Service With Mixed Fleet

Article

Full-text available

Aug 2020

The customized bus (CB) transit is recognized as an effective transportation mode offering more flexible and demand-responsive service than traditional bus transit with fixed route and schedule, especially during the peak hours. The novelty of this study is the development of a mixed integer non-linear model for optimizing multi-terminal CB service...

FIGURE 2. The step procedure of proposed NGA

FIGURE 4. Sample route crossover process

FIGURE 7. Computation times with LINGO, GA and NGA

FIGURE 8. Location of the study BEB feeder system in Xi'an, China

FIGURE 15. Optimized results vs. value of passengers' time

Optimizing Battery-Electric-Feeder Service and Wireless Charging Locations With Nested Genetic Algorithm

Article

Full-text available

Apr 2020

The technology of dynamic wireless power transfer (DWPT) has been recognized as an effective way to recharge battery electric bus and overcome some drawbacks (e.g. high battery cost and limited service range) with opportunity charging. This study develops a mixed integer non-linear model to optimize a feeder bus transit powered by DWPT. The decisio...