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Published by AUTO FAN Magazine Co. Ltd.

›› 2018, Vol. 40 ›› Issue (10): 1125-1131.doi: 10.19562/j.chinasae.qcgc.2018.010.001

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A Study on Power-torque-efficiency Three-parameter Matching Method for Series-Parallel Hybrid Electric SystemZeng

Xiaohua1, Wang Zhenwei1, Song Dafeng1, Ba Te1, Yang Nannan1, Chen Huiyong2, Wang Yinshu2   

  1. 1.Jilin University, State Key Laboratory of Automotive Simulation and Control, Changchun 130025;
    2.Zhengzhou Yutong Bus Co., Ltd., Zhengzhou 450016
  • Received:2017-08-30 Online:2018-10-25 Published:2018-10-25

Abstract: A three parameter (power, torque and efficiency) matching method is proposed for series-parallel hybrid electric system. With consideration of the configuration features and power performance design requirements of series-parallel hybrid electric system and taking maximizing system efficiency as objective, the method uses the preset control algorithm to predict the distribution of target operating points and energy demand of power sources, with the selection of key components of the whole system determined. The validity of the matching method proposed is verified by CRUISE / Simulink modeling and simulation.

Key words: series-parallel hybrid electric system, parameter matching, preset control algorithm, energy demand distribution