The invention discloses a motor controller safety state control method and circuit and a storage medium. Comprising the following steps: acquiring a phase current frequency of a three-phase full-bridge circuit of a motor controller, a bus voltage value of a target vehicle and a line voltage between target acquisition points; determining a first voltage according to the phase current frequency, determining a second voltage according to the bus voltage value, and determining a third voltage according to the line voltage; a first level is output according to the first voltage and the second voltage, and a second level is output according to the second voltage and the third voltage; and a logic signal is generated according to the first level and the second level, a logic control signal is generated according to the logic signal, and when the motor rotating speed detection function of the target vehicle is abnormal, motor safety state switching can be completed.
本发明公开了一种电机控制器安全状态控制方法、电路和存储介质。包括:获取电机控制器的三相全桥电路的相电流频率、目标车辆的母线电压值和获取目标采集点之间的线电压;根据所述相电流频率,确定第一电压,根据所述母线电压值,确定第二电压,根据所述线电压,确定第三电压;根据所述第一电压和第二电压,输出第一电平,根据所述第二电压和第三电压,输出第二电平;根据所述第一电平和第二电平,生成逻辑信号,根据所述逻辑信号,生成逻辑控制信号,能够在目标车辆的电机转速检测功能异常时,完成电机安全状态切换。
Motor controller safety state control method, circuit and device and storage medium
电机控制器安全状态控制方法、电路、装置和存储介质
2025-01-28
Patent
Electronic Resource
Chinese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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