According to the torque distribution method for the hybrid power system, when an automobile loaded with the hybrid power system meets the activation condition of torque distribution in a parallel drive mode, the hybrid power system is started; the target torque of the engine, the target torque of the generator and the target torque of the driving motor are obtained according to the following modes: 1) determining the current target torque of the engine according to the current gear speed ratio of the engine, the actual rotating speed of the engine, the required torque of the wheel end and an economic control look-up table of the target torque of the engine; 2) determining the current target torque of the generator according to the maximum limit value of the target torque of the generator, the minimum limit value of the target torque of the generator and the original value of the required torque of the generator; and 3) determining the current target torque of the driving motor according to the maximum discharge power of the high-voltage battery, the accessory consumption power, the actual torque of the engine, the actual torque of the generator, the actual torque of the clutch, the maximum limit torque of the driving motor, the minimum limit torque of the driving motor, the required torque of the wheel end and the actual rotating speed of the driving motor.
一种用于混合动力系统的扭矩分配方法,当装载有混合动力系统的汽车满足并联驱动模式下分配扭矩的激活条件时,按照下列方式得到发动机目标扭矩、发电机目标扭矩、驱动电机目标扭矩:1)根据当前的发动机挡位速比、发动机实际转速、轮端需求扭矩以及发动机目标扭矩经济控制查询表,确定当前的发动机目标扭矩;2)根据发电机目标扭矩限制最大值、发电机目标扭矩限制最小值以及发电机需求扭矩原始值,确定当前的发电机目标扭矩;3)根据高压电池最大放电功率、附件消耗功率、发动机实际扭矩、发电机实际扭矩、离合器实际扭矩、驱动电机最大限制扭矩、驱动电机最小限制扭矩、轮端需求扭矩、驱动电机实际转速确定当前的驱动电机目标扭矩。
Torque distribution method for hybrid power system
用于混合动力系统的扭矩分配方法
2023-08-04
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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