基于电气变速器的混合动力车中动力分配策略

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摘要分析了基于电气变速器的混合动力车中动力分配问题,首先以逆向仿真的建模思想进行混合动力车仿真建模,为动力分配策略的研究提供平台。然后,根据车辆动力需求分析,分别基于开关控制策略和功率跟随策略设计电气变速器的传动比,并采用模糊控制策略分配发动机和电气变速器的输出转矩。同时,提出一种基于瞬时优化控制的功率分配策略,并通过顺向动态规划进行优化算法的实现。文中对不同动力分配策略下发动机和电气变速器的工作状态、车辆油耗和排放性能进行了对比分析。

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	徐奇伟
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关键词 ：混合动力车, 电气变速器, 动力分配, 瞬时优化

Abstract：The paper analyzes the force distribution of hybrid electric vehicles based on electric variable transmission. Firstly, the simulation model of hybrid electric vehicles is built with the ideology of reverse simulating, providing a platform for the study of force distribution strategy. Then, according to the vehicle requirement analysis, the transmission ratio of electric variable transmission is respectively designed based on ON/OFF control strategy and power following strategy, and the output torque of engine and electric variable transmission is assigned based on fuzzy logic control strategy. Meanwhile, an instantaneous optimization strategy of output power distribution is proposed, which is realizes by forward dynamic programming optimization algorithm. At last, this paper carried on the contrast analysis of engine and electric variable transmission’s working conditions, fuel consumption and emission performance under the different force distribution strategy.

Key words： Hybrid electric vehicle electric variable transmission force distribution instantaneous optimization

收稿日期: 2012-09-17 出版日期: 2013-11-28

PACS:

TM320.2

作者简介: 徐奇伟男，1983年生，讲师，主要研究方向为混合动力汽车中电气系统理论、高动态性能电驱动控制系统设计。宋立伟男，1970年生，教授，博士生导师，主要从事电动车及其相关技术，特种电机及其驱动控制。

引用本文:

徐奇伟, 宋立伟, 崔淑梅, 田德文. 基于电气变速器的混合动力车中动力分配策略[J]. 电工技术学报, 2013, 28(2): 44-54. Xu Qiwei, Song Liwei, Cui Shumei, Tian Dewen. Force Distribution Strategy of Hybrid Electric Vehicle Based on Electric Variable Transmission. Transactions of China Electrotechnical Society, 2013, 28(2): 44-54.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I2/44

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