2017年09月23日 |  English version
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Energy-optimal speed advisory for a platoon of mixed gasoline and electric vehicles on signalized urban roads

题目:Energy-optimal speed advisory for a platoon of mixed gasoline and electric vehicles on signalized urban roads  

报告人:美国伦斯勒理工学院   贺晓征 博士

报告时间:201774(周二)  15:30

报告地点:行健楼学术报告室526

邀请人:韩德仁教授

摘要:

As electric vehicles have gained an increasing market share worldwide, the traffic on urban roads will tend to be a mixture of gasoline vehicles (GVs) and battery electric vehicles (EVs). These two types of vehicles have different energy consumption characteristics, mainly due to the breaking energy recuperation system of EVs. In the transportation literature, a large amount of research has been dedicated to reducing energy consumption for vehicles approaching signalized intersections, typically for GVs. However, empirical data show that he optimum cruise speed of EVs is in general much slower than the optimum speed of GVs. When GVs and EVs form a platoon that is a typical red-signal gating result and recognized as an energy-friendly traffic pattern at signalized intersections, it is critical to consider the energy consumption characteristics of both types of vehicles in the platoon to maximize the energy efficiency benefit. To tackle this issue, this study develops an optimal speed control model for a mixed gasoline and electric vehicle platoon approaching a signalized intersection. The proposed model leverages the promising vehicle-to-vehicle communication technology assuming that the leader vehicle can obtain the information on the energy consumption characteristics of the follower vehicles in the platoon. This study further develops an approximation method to facilitate the speed advice in real time. Results from numerical experiments demonstrate the significance when the speed advisory holistically considers energy consumption characteristics of platoon vehicles.  

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