线控转向车辆转向盘转矩特性研究

doi:10.3901/JME.2018.24.138

机械工程学报 ›› 2018, Vol. 54 ›› Issue (24): 138-146.doi: 10.3901/JME.2018.24.138

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线控转向车辆转向盘转矩特性研究

赵林峰¹, 从光好¹, 邵文彬², 陈无畏¹

1. 合肥工业大学汽车与交通工程学院合肥 230009;
2. 安徽江淮汽车集团股份有限公司技术中心合肥 230601

收稿日期:2017-12-25 修回日期:2018-06-26 出版日期:2018-12-20 发布日期:2018-12-20
通讯作者: 陈无畏(通信作者),男,1951年出生,博士,教授,博士研究生导师。主要研究方向为车辆动力学与控制,发表论文200余篇。E-mail:hfgdcjs@126.com
作者简介:赵林峰,男,1979年出生,博士,副教授,硕士研究生导师。主要研究方向为车辆动力学与控制技术,发表论文20余篇。E-mail:zhao.lin.feng@163.com
基金资助:
国家自然科学基金（51675151，61673154）、国家自然科学基金联合基金（U1564201）和江苏省道路运载工具新技术应用重点实验室开放课题（BM20082061703）资助项目。

Study on Steering Torque Characteristic for Steer-by-wire Vehicles

ZHAO Linfeng¹, CONG Guanghao¹, SHAO Wenbin², CHEN Wuwei¹

1. School of Automotive and Transportation Engineering, Hefei University of Technology, Hefei 230009;
2. Anhui Jianghuai Automobile Co., Ltd. Technology Center, Hefei 230601

Received:2017-12-25 Revised:2018-06-26 Online:2018-12-20 Published:2018-12-20

摘要/Abstract

摘要： 车辆线控转向系统取消了转向盘与转向轮之间的部分机械连接，车辆转向阻力矩无法直接反馈给驾驶员。从驾驶员偏好转向盘转矩的角度出发，在分析转向盘转矩影响因素的基础之上，提出一种考虑摩擦力矩、阻尼控制力矩、限位控制力矩以及主动回正力矩的线控转向系统转向盘转矩的模型，并通过试验数据对模型中的参数进行辨识。选取双纽线试验和中心区特性试验等进行仿真分析和硬件在环验证。结果表明，所建立的转向盘转矩模型能够保证低速时的转向轻便和高速时的路感清晰，并且很好地描述了车辆在不同行驶工况下的转向盘转矩特性，充分发挥了线控转向车辆转向盘转矩可以根据驾驶员需求自由设计的优势。

关键词: 线控转向, 硬件在环, 转向盘转矩, 自由设计

Abstract: Since the partial mechanical connections between the steering wheel and the front steering wheels cancelled, the steering resistance torque of the Steer-By-Wire vehicle can't be directly feedback to the driver. From the perspective of the driver's preferences steering wheel torque, and based on analyzing the influence factors of steering torque, a steering torque model of the steer-by-wire has been established by considering the friction torque, damping control moment, limit control torque and active return moment. And the parameters in the model are identified by the experimental data. The lemniscate test, on-center characteristics test and other tests are carried out through simulation analysis and hardware-in-the-loop validation. The results show that the steering wheel torque model can not only ensure steering portability at low speed and steering feel clear at high speed, but also describe steering wheel torque characteristics well at different driving conditions. It gives full play to the advantages that steering torque of steer-by-wire vehicle can be designed freedom according to the needs of drivers.

Key words: free design, hardware-in-the-loop, steering torque, wteer-by-wire

中图分类号:

U463

赵林峰, 从光好, 邵文彬, 陈无畏. 线控转向车辆转向盘转矩特性研究[J]. 机械工程学报, 2018, 54(24): 138-146.

ZHAO Linfeng, CONG Guanghao, SHAO Wenbin, CHEN Wuwei. Study on Steering Torque Characteristic for Steer-by-wire Vehicles[J]. Journal of Mechanical Engineering, 2018, 54(24): 138-146.

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线控转向车辆转向盘转矩特性研究

Study on Steering Torque Characteristic for Steer-by-wire Vehicles

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