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某插电式混合动力汽车动力系统的模式切换过程分析

孙起春1,2，王军华1,2，郭洪江2，赵永强2   

  1. （1. 同济大学，上海 201804 ；2. 中国第一汽车集团有限公司 技术中心，长春 130011）
  • 收稿日期:2017-08-02 出版日期:2018-03-31 发布日期:2018-04-10
  • 作者简介:孙起春(1984—)，男( 汉)，吉林，工程师。E-mail: sunqichun1@faw.com.cn。

Process analysis for powertrain mode-switch of a plug-in hybrid electric vehicle

SUN Qichun 1,2, WANG Junhua 1,2, GUO Hongjiang 2, ZHAO Yongqiang 2   

  1. (1. Tongji University, Shanghai 201804, China; 2. R&D Center, China FAW (First Automobile Workshop) Group Co., Ltd, Changchun 130011, China)
  • Received:2017-08-02 Online:2018-03-31 Published:2018-04-10

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摘要：

        为掌握串并联构型混合动力汽车(HEV) 动力系统模式切换的控制方法，对某款插电式混合动力汽车动力系统的各模式间动态切换的协调控制过程进行了理论分析，并在常温环境仓和转鼓试验室对车辆开展典型工况的测试试验，从测试结果验证各模式间切换过程的控制策略理论分析的正确性。研究结果表明：该车辆动力系统的各模式之间切换过程均归结为发动机起停机过程控制和扭矩转移过程控制，通过2 个电机的协同配合，有效地完成扭矩的转移分配，实现了各模式间的动态切换，且测试结果与理论分析的控制过程基本一致。

关键词: 混合动力汽车(HEV) , 串并联构型, 模式切换, 协调控制, 对标分析

Abstract:

To master the control processes method of a hybrid electric vehicle (HEV) with series-parallel configuration, the coordinated control of different powertrain mode-switch dynamic were investigated and tested on typical cycles at normal temperature room with drum testing based on a HEV benchmarking. The results of theoretical analysis of different powertrain mode-switch processes were verified by the test results. The results show that the control strategy about switching process of the powertrain model of the vehicle is attributed to the engine start-stop process control and torque transfer process control. Through the coordination of two motors, the transfer and allocation of torque are completed effectively, and the dynamic switching between modes is realized. The test results are similar to the control process of theoretical analysis.

Key words: hybrid electric vehicle (HEV), series-parallel configuration, mode-switch, coordinated control, bench-marking