复杂工况下基于最佳滑移率的汽车牵引力控制算法

doi:10.13229/j.cnki.jdxbgxb201605002

吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (5): 1391-1398.doi: 10.13229/j.cnki.jdxbgxb201605002

复杂工况下基于最佳滑移率的汽车牵引力控制算法

刘刚^1,2, 靳立强¹, 陈鹏飞¹

1.吉林大学汽车仿真与控制国家重点实验室,长春 130022;
2.河南工学院,河南新乡 453002

收稿日期:2015-07-14 出版日期:2016-09-20 发布日期:2016-09-20
通讯作者: 靳立强(1976-),男,教授,博士生导师.研究方向:汽车底盘电子控制技术,电动汽车四轮独立驱动技术.E-mail:jinlq@jlu.edu.cn
作者简介:刘刚(1981-),男,博士研究生.研究方向:汽车底盘电子控制技术.E-mail:gliu14@mails.jlu.edu.cn
基金资助:
国家自然科学基金项目(50907030); 中国博士后科学基金项目(2013M54024B).

Vehicle traction control algorithm based on optimal slip ratio under complicated road conditions

LIU Gang^1,2, JIN Li-qiang¹, CHEN Peng-fei¹

1.State Key Laboratory of Automotive Simulation and Control, Jilin University,Changchun 130022,China;
2.Henan Institute of Technology, Xinxiang 453002, China

Received:2015-07-14 Online:2016-09-20 Published:2016-09-20

摘要/Abstract

摘要： 为了提高车辆在复杂路面下的起步加速驱动能力和稳定性,提出了基于最佳滑移率的牵引力控制策略。根据当前路况下的滑转率和附着系数采用可变遗忘因子最小二乘法求出最佳滑转率。系统通过发动机转矩调节和主动制动调节两种方式协调控制,将车轮的滑转率保持在最佳滑转率附近,从而提高车辆加速性能和稳定性。在Matlab/Simulink下的仿真结果及实车冬季场地试验表明了该系统的有效性和工程应用价值。

关键词: 车辆工程, 牵引力控制系统, 驱动防滑, 主动制动, 转矩调节, 协调控制

Abstract: In order to improve vehicle starting acceleration performance and stability under complicated road conditions, a traction control algorithm based on extremum-seeking with forgetting factors Recursive Least Square (RLS) algorithm was proposed. The tire slip ratio close to the optimal slip ratio can be controlled by the coordinate strategy between the engine torque control and the active brake control. Simulation and winter road test results show that the proposed control strategy can improve the vehicle dynamics performance.

Key words: vehicle engineering, traction control system, driving slip, active braking, torque adjustment, coordinated control

中图分类号:

U461

刘刚, 靳立强, 陈鹏飞. 复杂工况下基于最佳滑移率的汽车牵引力控制算法[J]. 吉林大学学报(工学版), 2016, 46(5): 1391-1398.

LIU Gang, JIN Li-qiang, CHEN Peng-fei. Vehicle traction control algorithm based on optimal slip ratio under complicated road conditions[J]. 吉林大学学报(工学版), 2016, 46(5): 1391-1398.

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复杂工况下基于最佳滑移率的汽车牵引力控制算法

Vehicle traction control algorithm based on optimal slip ratio under complicated road conditions

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