张勇， 董鑫涛， 仝猛^*

（  长安大学工程机械学院，西安 710064；  ）

摘要： 传统的纯电动汽车面临续航里程不足和里程焦虑的问题，为了解决动力电池组SOC快速下降和过放电的问题，采用模糊控制策略能够弥补这一缺陷。和传统的恒温器控制策略相比，模糊控制策略能将动力电池组的荷电状态（SOC）控制在设计的阈值内，延长了电池组的使用寿命和增加了行驶里程。最后在特定行驶工况下，通过仿真软件验证了其有效性，结果证明电池使用寿命和燃油利用效率得到了有效提高。
关键词： 增程式电动汽车；动力电池；模糊控制；能量管理

ZHANG Yong， Dong Xintao， TONG Meng^*

（  Construction Machinery College,Chang'an University,Xi'an 710064；  ）

Abstract： Traditional electric vehicles are facing the problem of driving distance is far less than expected and mileage anxiety. In order to improve the rapid loss of SOC and then over discharge,the fuzzy control strategy can be used to make up the defect. Compared with traditional thermostat control strategy,the fuzzy control strategy is proposed in this paper for power battery group, keeping the battery's state of charge(SOC) balanced in designed threshold.Also prolongs the life of the battery and driving distance.Finally, under certain driving conditions,The validity is verified by simulation software and results show that the battery life and fuel efficiency are improved effectively.
Keywords： Range extended electric;Power battery;Fuzzy control;energy management?

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