The invention discloses a torque distribution system and method for a methanol hybrid vehicle. The torque distribution system comprises a torque sensor, an acceleration sensor, a vehicle speed sensor, a control unit and an execution mechanism. The acceleration sensor, the vehicle speed sensor, the torque sensor and the execution mechanism are all connected with the control unit. The vehicle state is predicted by constructing the prediction model and real-time data of the sensor, the vehicle driving state and the running states of the methanol engine and the motor are estimated, and noise and errors in the sensor data can be well processed. According to the running state of the hybrid power vehicle, the torque control range of the hybrid power vehicle is obtained, a model prediction control method is sampled, a target function is set, optimal torque distribution is obtained, and the torque of a methanol engine and a motor, the fuel injection amount of the methanol engine, the output power of the motor and the like can be adjusted through a control unit and an execution mechanism. The technical problem that in the prior art, a vehicle torque distribution method is poor in effect is solved.
本发明公开了一种甲醇混合动力车辆扭矩分配系统及分配方法,包括扭矩传感器、加速度传感器、车速传感器、控制单元和执行机构;所述加速度传感器、车速传感器、扭矩传感器和执行机构均与控制单元连接;通过构建预测模型和传感器的实时数据进行车辆状态预测,估计车辆行驶状态、甲醇发动机和电机运行状态,能够很好的处理传感器数据中的噪声和误差。根据混合动力车辆的运行状态,得到混合动力车辆的转矩控制范围,采样模型预测控制方法,设定目标函数,得到最优的扭矩分配,通过控制单元和执行机构可调整的甲醇发动机和电机转矩、甲醇发动机的燃油喷射量、电机的输出功率等,解决现有技术中车辆扭矩分配方法的效果不佳的技术问题。
Methanol hybrid power vehicle torque distribution system and distribution method
一种甲醇混合动力车辆扭矩分配系统及分配方法
02.05.2025
Patent
Elektronische Ressource
Chinesisch
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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