ABS系统多路况下液压制动性能研究  

Research on Hydraulic Braking Performance of ABS System Under Multiple Road Conditions

作　　者：杨梅生 章昌伟 包家汉[3,4] 江稳 王艳丽 YANG Mei-sheng;ZHANG Chang-wei;BAO Jia-han;JIANG Wen;WANG Yan-li(Anhui Province Engineering Laboratory of Intelligent Demolition Equipment,Anhui University of Technology,Ma’anshan 243002,China;Key Laboratory of Power Machinery and Engineering of Ministry of Education,Shanghai Jiao Tong University,Shanghai 200240,China;School of Mechanical Engineering,Anhui University of Technology,Ma’anshan 243002,China;Anhui Engineering Technology Research Center of Hydraulic Vibration Technology,Anhui University of Technology,Ma’anshan 243002,China;Auclean High-tech(Wuxi)Ltd.,Wuxi 214108,China)

机构地区：[1]安徽工业大学安徽省智能破拆装备工程实验室,安徽马鞍山243002 [2]上海交通大学动力机械与工程教育部重点实验室,上海200240 [3]安徽工业大学机械工程学院,安徽马鞍山243002 [4]安徽工业大学液压振动技术安徽省工程技术研究中心,安徽马鞍山243002 [5]澳科利高新技术(无锡)有限公司,江苏无锡214108

出　　处：《液压气动与密封》2024年第5期1-9,共9页Hydraulics Pneumatics & Seals

基　　金：国家自然科学基金(52105041);安徽省智能破拆装备工程实验室开放基金(APELIDE2021B004);上海交通大学动力机械与工程教育部重点实验室开放基金(4914683)。

摘　　要：ABS制动系统是保障汽车安全性能的重要部分,针对制动系统在制动过程中的非线性和时变性等问题,进行了汽车ABS控制策略对比研究。对直线制动过程进行研究分析,基于AMESim建立了单轮的防抱死液压系统,利用Simulink建立单车轮动力学模型,并采用以滑移率误差及变化率为输入的模糊PID控制策略和以制动力矩变化率为输入的自寻优控制策略。两种控制策略分别在单一干路面、湿路面和制动后1.5 s湿路面突变成干路面多路况,以车速为90 km/h进行ABS制动仿真,将制动结果进行对比。结果表明,模糊PID与自寻优两种控制方法能在制动过程中防止车轮抱死,自寻优控制方法不仅制动时间更短,而且能更好应对路况突变,验证了自寻优控制具有更强的鲁棒性和更佳的制动效果。ABS braking system is an important part to ensure the safety performance of the car,and a comparative study of automotives ABS control strategies is conducted for the problems of nonlinearity and time-variability of the braking system in the braking process.The linear braking process is studied and analyzed,and an anti-lock hydraulic system with a single wheel is established based on AMESim,and the single-wheel dynamics model is established used Simulink,and a fuzzy PID control strategy with slip rate error and change rate as input and a self-seeking optimal control strategy with brake torque change rate as input are used.The two control strategies are simulated for ABS braking on a single dry road,wet road and 1.5 s after braking when the wet road changes abruptly to dry road for multiple road conditions at a vehicle speed of 90 km/h,and the braking results are compared.The results show that the fuzzy PID and self-seeking control methods can prevent wheel locking in the braking process,and the self-seeking control method not only has shorter braking time,but also can better cope with the sudden change of road conditions,which verifies that the self-seeking control has stronger robustness and better braking effect.

关 键 词：汽车ABS系统 模糊PID控制 自寻优控制 滑移率 

分 类 号：TH137.9[机械工程—机械制造及自动化]