三轴车辆多轮转向控制策略分析  

Analysis of Multi-wheel Steering Control Strategy for Three-axle Vehicle

作　　者：王世成 王保华 陈小兵 盛智权 谢宇航 Wang Shicheng;Wang Baohua;Chen Xiaobing;Sheng Zhiquan;Xie Yuhang(School of Automotive Engineering,Hubei University of Automotive Technology,Shiyan 442002,China)

机构地区：[1]湖北汽车工业学院汽车工程学院,湖北十堰442002

出　　处：《湖北汽车工业学院学报》2018年第2期7-11,共5页Journal of Hubei University Of Automotive Technology

基　　金：湖北省自然科学基金重点项目(2013CFB134);湖北省科技支撑计划项目(2015BAA046);湖北汽车工业学院硕士研究生创新基金项目(Y2016306)

摘　　要：为了提高多轴车辆低速机动性和高速稳定性,以三轴商用车为研究对象,建立了三轴车辆转向的二自由度(2-DOF)动力学模型,基于Simulink设计了前/中轴机械转向+后轴比例控制转向、前轴机械转向+中/后轴比例控制转向2种控制策略,并分析了在前轮角阶跃输入下质心侧偏角、横摆角速度及侧向加速度随时间变化规律。In order to improve the low speed maneuverability and high speed stability of multi-axle vehicles, two degrees of freedom（2-DOF） dynamic model of a three-axle vehicle was established in this paper. Based on Simulink, control strategies of front axle mechanical steering＋rear axle proportional control steering and front axle mechanical steering＋middle rear axle proportional control steering were designed. The time-varying law of vehicle lateral centroid angle, yaw rate and lateral acceleration under step input of front wheel angle was analyzed.

关 键 词：三轴车辆 全轮转向 控制策略 转向性能分析 

分 类 号：U463.4[机械工程—车辆工程]