The invention provides a hybrid electric vehicle energy optimal distribution control method based on a non-cooperative game theory. The required power of an automobile is analyzed according to the current automobile speed and the opening degree of the accelerator pedal; whether the required power is larger than zero or not is judged, if yes, the automobile is in a driving mode, subsequent steps are conducted to achieve distribution of the power between different power sources, and if not, the automobile is in a braking mode, at the moment, an engine is shut down, and a motor recycles regenerative braking energy; a game theory model is established, and a utility function of an engine side is determined by the traditional fuel vehicle; a pure electric vehicle determines a motor side utilityfunction; interactive game between the motor side and the engine side is performed, and the optimized motor power and engine power are solved; and the required engine power and motor power are outputted to the corresponding engine controller and motor controller through the CAN bus. According to the method, the game theory is applied to power distribution of the hybrid electric vehicle, and the dynamic property and economy of the hybrid electric vehicle are comprehensively optimized.
本发明提供一种基于非合作博弈论的混合动力汽车能量优化分配控制方法,根据当前车速和油门踏板的开度解析得到汽车的需求功率,判断需求功率是否大于零,若大于零则汽车处于驱动模式,进行后续步骤来实现功率在不同动力源间的分配,若小于零则汽车处于制动模式,此时发动机关闭,电机对再生制动能量进行回收;建立博弈论模型,传统燃油汽车确定发动机侧的效用函数;纯电动汽车确定电机侧效用函数;电机侧与发动机侧互动博弈,求出优化后的电机功率与发动机功率;通过CAN总线输出所需发动机功率和电机功率给对应的发动机控制器和电机控制器。本发明将博弈论应用在混合动力汽车的功率分配,综合优化了混合动力汽车的动力性和经济性。
Hybrid electric vehicle energy optimal distribution control method based on non-cooperative game theory
基于非合作博弈论的混合动力汽车能量优化分配控制方法
2020-11-06
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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