Regenerative Braking Control Strategy for Pure Electric Off-Road Vehicle

doi:10.3969/j.issn.1674-0696.2015.04.32

Abstract

Abstract: For the double demand of energy and power of pure electric off-road vehicle, the super capacitor was introduced into the pure electric vehicle energy storage system, constituted structure of dual energy source that was made up of super capacitor and battery energy. The deficiency of control strategy for regenerative braking in the electric vehicle simulation software ADVISOR was analyzed. The series regenerative braking control strategy based on the ECE regulations was put forward. MATLAB/Simulink was used to establish simulation model of regenerative braking system. By loading the typical road cycle of regenerative braking, the new regenerative braking control strategy in ADVISOR was contrasted with the control strategy. The simulation results show that, the new control strategy of regenerative braking can recover 33.88% braking energy, under the premise of ensuring the vehicle braking stability, and improve greatly the dynamic performance and the using rate of the vehicle energy, which increases the travel distance of electric cars.

Key words: vehicle engineering, super capacitor, double energy source, regenerative braking system, cascade regenerative braking control strategy

摘要： 针对纯电动越野汽车对能量和功率的双重要求，将超级电容引入到纯电动汽车的储能系统中，组成了超级电容-蓄电池的双能量源储能结构。分析了纯电动汽车仿真软件ADVISOR中的再生制动控制策略的不足，提出了新的基于ECE法规的串联再生制动控制策略。利用MATLAB/Simulink建立双能量源纯电动越野车再生制动系统仿真模型。通过典型的道路循环工况，对提出的制动力分配方案与ADVISOR中的再生制动控制策略进行仿真对比。仿真结果表明：再生制动控制策略回收了33.88%的制动能量，在很大程度上提高了车载能量的利用率和车辆的动力性能，增加了汽车的续驶里程。

关键词: 车辆工程, 超级电容, 双能量源, 再生制动系统, 串联再生制动控制策略

CLC Number:

U469.72

Song Bailing, Zhou Xuesheng, Yang Rui. Regenerative Braking Control Strategy for Pure Electric Off-Road Vehicle[J]. Journal of Chongqing Jiaotong University(Natural Science), 2015, 34(4): 161-165.

宋百玲，周学升，杨瑞. 纯电动越野车再生制动控制策略研究[J]. 重庆交通大学学报（自然科学版）, 2015, 34(4): 161-165.

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