Power Logic Threshold Control Strategy of Compound Power System for
Pure Electric Vehicle

doi:10.3969/j.issn.1674-0696.2019.11.21

Journal of Chongqing Jiaotong University(Natural Science) ›› 2019, Vol. 38 ›› Issue (11): 133-138.DOI: 10.3969/j.issn.1674-0696.2019.11.21

• Vehicle &Electromechanical Engineering • Previous Articles Next Articles

Power Logic Threshold Control Strategy of Compound Power System for Pure Electric Vehicle

CHEN Qingzhang1，WANG Zhengyi1,2，WANG Kang1，WANG Shang1

(1. Institute of Automotive Engineering, Changshu Institute of Technology, Changshu 215500, Jiangsu, P. R. China; 2. Institute of Mechatronic Engineering, Soochow University, Suzhou 215000, Jiangsu, P. R. China)

Received:2018-06-16 Revised:2018-11-01 Online:2019-11-21 Published:2019-11-21

纯电动车复合电源功率逻辑门限控制策略研究

陈庆樟1，王正义1,2，王康1，王尚1

(1. 常熟理工学院汽车工程学院，江苏常熟 215500； 2. 苏州大学机电工程学院，江苏苏州 215000)

作者简介:陈庆樟(1973—)，男，江西泰和人，教授，博士，主要从事汽车机电一体化方面的研究。E-mail：autowk@126.com。通信作者：王正义(1994—)，男，江苏徐州人，硕士研究生，主要从事汽车机电一体化方面的研究。E-mail：2313163210@qq.com。
基金资助:
江苏省自然科学基金项目(BK20151259)；苏州市科技计划工业应用指导项目(SGZ2014019)

Abstract

Abstract: Under the road condition of frequent start and stop, the electricity of super capacitor bank consumed too much in pure electric vehicle compound power supply. A Logic threshold power control strategy was put forward; PID closed-loop control method was used to control the output power of the battery and reduce the power consumption of the super capacitor bank. A compound power supply model with power control strategy was built on Matlab/Simulink software. The simulation results show that the power control strategy effectively reduces the SOC descent speed of the super capacitor bank. The proposed system works stably, the response speed is fast, and the control accuracy is high.

Key words: vehicle engineering, compound power supply, super capacitors, PID closed-loop control, power control strategy

摘要： 在频繁启停的道路工况下，针对纯电动车复合电源出现超级电容组电量消耗过快的问题，提出一种基于逻辑门限的功率控制策略，通过PID闭环控制方法，控制蓄电池组的输出功率，减小超级电容组电量的消耗，并在MATLAB/Simulink软件上搭建了带有功率控制策略的复合电源模型，仿真结果表明：功率控制策略有效降低了超级电容组荷电状态下降速度，系统工作稳定，响应速度快，控制精度高。

关键词: 车辆工程, 复合电源, 超级电容, PID闭环控制, 功率控制策略

CLC Number:

U469.72

CHEN Qingzhang1，WANG Zhengyi1,2，WANG Kang1，WANG Shang1. Power Logic Threshold Control Strategy of Compound Power System for Pure Electric Vehicle[J]. Journal of Chongqing Jiaotong University(Natural Science), 2019, 38(11): 133-138.

陈庆樟1，王正义1,2，王康1，王尚1. 纯电动车复合电源功率逻辑门限控制策略研究[J]. 重庆交通大学学报（自然科学版）, 2019, 38(11): 133-138.

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Power Logic Threshold Control Strategy of Compound Power System for Pure Electric Vehicle

纯电动车复合电源功率逻辑门限控制策略研究

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