The invention discloses an active short circuit control method and device, the method is applied to a motor controller of an electric drive system, the electric drive system further comprises a motor and a speed reducer, and the method comprises the steps that a fault module of a vehicle or an electric signal detected by the motor controller is determined; based on an electric signal detected by a fault module of the vehicle or a motor controller and an active short-circuit trigger threshold value of the electric signal or the motor rotating speed, whether the condition that the motor controller executes active short-circuit control is met or not is determined; under the condition that the condition that the motor controller executes the active short-circuit control is met, executing the active short-circuit control; based on a fault module of the vehicle, the electric signal or an active short circuit quit threshold value of the rotating speed of the motor and the current rotating speed of the motor, whether an active short circuit quit control condition is met or not is determined; and when the condition that the motor controller quits the active short-circuit control is met, quitting the active short-circuit control.
本申请公开了一种主动短路控制的方法及装置,所述方法应用于电驱动系统的电机控制器,电驱动系统还包括电机和减速器,所述方法包括:确定车辆的故障模块或电机控制器检测到的电信号;基于所述车辆的故障模块或电机控制器检测到的电信号,以及电信号或电机转速的主动短路触发阈值,确定是否达到所述电机控制器执行主动短路控制的条件;在满足所述电机控制器执行主动短路控制条件的情况下,执行主动短路控制;基于所述车辆的故障模块、所述电信号或电机转速的主动短路退出阈值和所述电机的当前转速,确定是否达到退出主动短路控制条件;在满足所述电机控制器退出主动短路控制条件的情况下,退出主动短路控制。
Active short circuit control method and device
主动短路控制方法及装置
2024-05-07
Patent
Elektronische Ressource
Chinesisch
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