This paper describes in detail three kinds of typical compound braking strategy of wheel motor drive electric vehicle and summarizes the current commonly used strategies based on the three typical strategies developed...This paper describes in detail three kinds of typical compound braking strategy of wheel motor drive electric vehicle and summarizes the current commonly used strategies based on the three typical strategies developed. In the end, a new compound braking strategy is proposed;that is, we take braking mode classify, ECE regulations and SOC value of the battery as an important reference of braking force that joins the motor braking force, as well as we join the different identification models;according to the different braking modes, the purpose is that we can apply the different braking program.展开更多
为降低轮毂电机电动汽车非簧载质量增加对整车操纵稳定性的影响,以某轮毂电机电动汽车电动助力转向系统(Electric Power Steering,EPS)为研究对象,对其参数匹配和控制策略进行研究。设计了目标车型的直线型助力特性曲线,在助力控制的基...为降低轮毂电机电动汽车非簧载质量增加对整车操纵稳定性的影响,以某轮毂电机电动汽车电动助力转向系统(Electric Power Steering,EPS)为研究对象,对其参数匹配和控制策略进行研究。设计了目标车型的直线型助力特性曲线,在助力控制的基础上加入阻尼、回正控制,采用PID控制算法对助力电流进行调节。基于ADAMS/Car搭建轮毂电机电动汽车整车动力学模型,通过MATLAB/Simulink搭建EPS控制模型,实现联合仿真。对操纵稳定性进行了转向盘角阶跃和转向盘角脉冲仿真试验,加入EPS控制后,整车横摆角速度、侧向加速度、质心侧偏角值均有所降低。结果表明:研究的EPS控制策略提高了轮毂电机电动汽车的操纵稳定性,具有较好的控制效果。展开更多
文摘This paper describes in detail three kinds of typical compound braking strategy of wheel motor drive electric vehicle and summarizes the current commonly used strategies based on the three typical strategies developed. In the end, a new compound braking strategy is proposed;that is, we take braking mode classify, ECE regulations and SOC value of the battery as an important reference of braking force that joins the motor braking force, as well as we join the different identification models;according to the different braking modes, the purpose is that we can apply the different braking program.
文摘为降低轮毂电机电动汽车非簧载质量增加对整车操纵稳定性的影响,以某轮毂电机电动汽车电动助力转向系统(Electric Power Steering,EPS)为研究对象,对其参数匹配和控制策略进行研究。设计了目标车型的直线型助力特性曲线,在助力控制的基础上加入阻尼、回正控制,采用PID控制算法对助力电流进行调节。基于ADAMS/Car搭建轮毂电机电动汽车整车动力学模型,通过MATLAB/Simulink搭建EPS控制模型,实现联合仿真。对操纵稳定性进行了转向盘角阶跃和转向盘角脉冲仿真试验,加入EPS控制后,整车横摆角速度、侧向加速度、质心侧偏角值均有所降低。结果表明:研究的EPS控制策略提高了轮毂电机电动汽车的操纵稳定性,具有较好的控制效果。