四轮转向干预下电动助力转向控制策略研究OA北大核心CSTPCD
A Study on Control Strategy of Electric Power Steering with Interference of Four Wheel Steering
四轮转向(4WS)车辆相较于前轮转向(FWS)车辆具有更高的灵活性,其后轮转向在提高车辆操稳性的同时转向阻力矩也发生变化,使得原电动助力转向系统助力策略与四轮转向车辆不匹配,对行车安全产生影响.本文以线性二自由度车辆模型为基础,对比分析了前轮转向车辆与四轮转向车辆的转向特性,提出电动助力转向修正控制策略.仿真结果表明,角阶跃工况下,有助力修正的四轮转向车辆,驾驶员操纵方向盘力矩与驾驶前轮转向车辆基本一致,既保证了四轮转向车辆低速时的操纵轻便性,也…查看全部>>
Four-wheel steering(4WS)vehicles are more flexible than front-wheel steering(FWS)vehicles.However,the steering resistance torque varies as the improvement of vehicle handling and stability with rear-wheel steering,which makes the power strategy of the original electric power steering system mismatch with 4WS vehicles and affects driving safety.Based on the 2-DOF linear bicycle model,the steering characteristics of front-wheel steer-ing vehicles and four-whee…查看全部>>
许艳;刘阳毅
湖南大学 机械与运载工程学院,湖南 长沙 410082湖南大学 机械与运载工程学院,湖南 长沙 410082
交通运输
车辆工程四轮转向电动助力转向转向干预
vehicle engineeringfour wheel steeringelectric power steeringsteering interference
《湖南大学学报（自然科学版）》 2024 (2)
144-150,7
国家自然科学基金资助项目(51875184),National Natural Science Foundation of China(51875184)
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