Braking Control Strategy Based on Optimal Regenerative Braking Torque Curve of Motor

被引：0
|
作者：
Zeng X. [1 ]
Chen H. [1 ]
Song D. [1 ]
Cui C. [1 ]
Li Z. [2 ]
Jiang Y. [2 ]
机构：
[1] Jilin University, State Key Laboratory of Automotive Simulation and Control, Changchun
[2] Nanjing YueBoo Power System Co., Ltd., Nanjing
来源：
Qiche Gongcheng/Automotive Engineering | 2021年 / 43卷 / 02期
关键词：
Optimal regenerative torque curve; P4 hybrid electric vehicle; Permanent magnet synchronous motor; Regenerative braking;
D O I：
10.19562/j.chinasae.qcgc.2021.02.002
中图分类号：
学科分类号：
摘要：
In this paper, the energy-consuming braking state and the regenerative braking state of a built-in PMSM are analyzed first based on the equivalent circuit model of the motor. Then the control current instruction of the motor is analytically analyzed according to the principle of motor vector control and is verified by test data. Next, the optimal regenerative torque curve of PMSM is calculated, and based on which an optimal series braking control strategy for regenerative braking is proposed. Finally, a simulation is conducted to acquire the L/100km fuel consumption and the energy recovered by regenerative braking of a P4 parallel hybrid electric commercial vehicle under C-WTVC, CHTC-TT and a section driving cycle of provincial road with both the parallel braking control and the optimal series braking control strategy. The results show that compared with parallel braking control, the series braking control strategy based on the optimal regenerative torque curve of the motor can reduce fuel consumption and recover more braking energy, achieving the enhancement of braking energy recovery and fuel economy. © 2021, Society of Automotive Engineers of China. All right reserved.
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页码：162 / 170
页数：8
相关论文
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