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增程式电动汽车能量分配策略研究

发表时间:2017-07-31  浏览量:133  下载量:31
全部作者: 张勇,董鑫涛,仝猛
作者单位: 长安大学工程机械学院
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,为解决动力电池组电池荷电状态(state of charge,SOC)快速下降和过放电的问题,采用模糊控制策略弥补这一缺陷。与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SOC控制在设计的阈值内,延长电池组的使用寿命并增加行驶里程。最后在特定行驶工况下,通过仿真软件验证结论的有效性,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: 公路运输;增程式电动汽车;动力电池;模糊控制;能量管理
Title: Power distribution strategy research of range extended electric vehicles
Author: ZHANG Yong, DONG Xintao, TONG Meng
Organization: Construction Machinery College, Chang’an University
Abstract: Traditional electric vehicles are facing the problem of driving distance which is far less than expected and mileage anxiety. In order to solve the rapid loss of state of charge (SOC) and over discharge problem, the fuzzy control strategy is used to make up the defect. Compared with the traditional thermostat control strategy, the fuzzy control strategy proposed in this paper for power battery group, keeps the SOC of batteries in the designed threshold. It also prolongs the battery life and driving distance. Finally, in the specific driving conditions, the validity of the conclusion is verified by simulation software. The results show that battery life and fuel efficiency have been effectively improved.
Key words: road transport; range extended electric vehicles; power battery; fuzzy control; energy management
发表期数: 2017年7月第14期
引用格式: 张勇,董鑫涛,仝猛. 增程式电动汽车能量分配策略研究[J]. 中国科技论文在线精品论文,2017,10(14):1595-1601.
 
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