The brush lock is due to assembly tightly during assembling three gripper so that it curls after some time in motor and bare motors.The motor happen to have current decreasing and cause rotary too slowly is an importa...The brush lock is due to assembly tightly during assembling three gripper so that it curls after some time in motor and bare motors.The motor happen to have current decreasing and cause rotary too slowly is an important technique problem.At last the motor hasn’t worked due to disconnection.It give company to bring assembly issue for customers.So the motor stall is main issue in motor working.We shall pay more attention to it necessarily and shall be strict quality inspection and we shall monitor the flow line for the sake of decreasing it.We shall solve the problem as soon as possible and communicate with the customer engineers.Unloaded rotation is radical in the base inspection.The engineer need to negotiate with supplying engineers for the qualified material of brush.Increasing inspection into more times is a method to decrease unqualified brushes.Some experiment method is explained to analyze for customer engineers.Two kinds of motors ie.stepping and asynchronous motor and motors used in future in car is explained to further knowledge to motor’s application.Such as the experiment with torque,voice and electric voltage converter.The pseudo soldering results the slow rotary.The reverse voltage is a reason for a motor to slow rotary even stall.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The brush lock is due to assembly tightly during assembling three gripper so that it curls after some time in motor and bare motors.The motor happen to have current decreasing and cause rotary too slowly is an important technique problem.At last the motor hasn’t worked due to disconnection.It give company to bring assembly issue for customers.So the motor stall is main issue in motor working.We shall pay more attention to it necessarily and shall be strict quality inspection and we shall monitor the flow line for the sake of decreasing it.We shall solve the problem as soon as possible and communicate with the customer engineers.Unloaded rotation is radical in the base inspection.The engineer need to negotiate with supplying engineers for the qualified material of brush.Increasing inspection into more times is a method to decrease unqualified brushes.Some experiment method is explained to analyze for customer engineers.Two kinds of motors ie.stepping and asynchronous motor and motors used in future in car is explained to further knowledge to motor’s application.Such as the experiment with torque,voice and electric voltage converter.The pseudo soldering results the slow rotary.The reverse voltage is a reason for a motor to slow rotary even stall.
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。
