The invention discloses a hybrid electric vehicle energy management method, device and equipment and a medium, the driving state of a vehicle is determined according to the speed information of the vehicle, and the driving state comprises the driving working condition and the driving style; inputting the whole vehicle demand power, the target vehicle speed and the battery SOC into a vehicle energy control model corresponding to the driving state to obtain output battery target output power, wherein the vehicle energy control model is obtained through training by taking a global optimization result as training data, wherein the global optimization result takes the sum of fuel consumption cost and battery life attenuation cost as a target; the target working point of the engine is determined according to the whole vehicle demand power and the battery target output power, the power battery is controlled to output at the battery target output power, the engine operates at the target working point, and the driving work and the driving style are combined with an energy management strategy considering the service life of the battery; the influence of sudden change of driving working conditions and change of driving styles on an energy management result can be reduced, the whole-life-cycle use cost of the whole vehicle can be reduced to a certain extent, and the service life of a power battery is prolonged.
本发明公了一种混合动力汽车能量管理方法、装置、设备及介质,通过根据车辆的速度信息确定车辆的驾驶状态,其中驾驶状态包括行驶工况和驾驶风格;将整车需求功率、目标车速和电池SOC输入至与驾驶状态对应的车辆能量控制模型中,获得输出的电池目标输出功率,其中车辆能量控制模型通过以燃油消耗成本和电池寿命衰减成本之和最小为目标的全局优化结果作为训练数据进行训练得到;根据整车需求功率和电池目标输出功率确定发动机的目标工作点位,并控制动力电池以电池目标输出功率进行输出,发动机以目标工作点位运行,实现了将行驶工与和驾驶风格与考虑电池寿命的能量管理策略相结合,既能降低行驶工况突变与驾驶风格变化对能量管理结果的影响,又能在一定程度上减少整车全寿命周期使用成本、延长动力电池的使用寿命。
Hybrid electric vehicle energy management method, device, equipment and medium
一种混合动力汽车能量管理方法、装置、设备及介质
2024-08-09
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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