The invention discloses a braking energy recovery method and system and an electric motorcycle, and the method comprises the steps: S1, determining the axle load of a vehicle according to the motion state information of the vehicle in the running process of the vehicle; s2, determining a vehicle ground braking force limit value according to the vehicle axle load; s3, determining a motor braking force limit value; s4, determining a motor braking force instruction and a mechanical braking force instruction according to the vehicle ground braking force limit value and the motor braking force limit value; s5, according to the motor braking force instruction and the mechanical braking force instruction, a motor braking torque instruction and an electric hydraulic cylinder pressure instruction are calculated; and S6, the motor braking torque instruction and the electric hydraulic cylinder pressure instruction are converted into control currents, and braking control is conducted on the vehicle according to the control currents. On the premise of considering braking safety and driving comfort, braking energy recovery maximization in a large-range vehicle driving scene can be achieved.
本发明公开了一种制动能量回收方法、系统及电动摩托车,包括:S1.车辆行驶过程中,根据车辆运动状态信息,确定车辆轴荷;S2.根据车辆轴荷,确定车辆地面制动力限制值;S3.确定电机制动力限制值;S4.根据车辆地面制动力限制值以及电机制动力限制值,确定电机制动力指令和机械制动力指令;S5.根据电机制动力指令和机械制动力指令,计算电机制动扭矩指令以及电动液压缸压力指令;S6.将电机制动扭矩指令以及电动液压缸压力指令转换为控制电流,根据控制电流对车辆进行制动控制。本发明能够在兼顾制动安全和驾乘舒适性的前提下,实现在大范围的车辆行驶场景中制动能量回收的最大化。
Braking energy recovery method and system and electric motorcycle
制动能量回收方法、系统及电动摩托车
2023-07-07
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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