The application provides an engine control method for a fuel cell vehicle, and the method comprises the steps: obtaining the current temperature in a power cell; according to the current temperature,identifying the current temperature level of the vehicle; determining the target output power of a fuel engine according to the temperature grade, so that the electric quantity of the power battery iskept in a target interval, different temperature levels corresponding to different output powers; and adjusting the output power of the fuel engine to the target output power. The target output powerof the fuel engine on the vehicle can be determined on the basis of the current temperature grade of the vehicle, so that the output power of the engine can be dynamically adjusted according to different temperature grades, the influence of temperature factors on the output power of the engine is considered, and sufficient electric quantity of the power battery is ensured; therefore, the dynamicproperty requirement of the whole vehicle can be better met.
本申请提出一种燃料电池车辆的发动机控制方法,其中,方法包括:获取所述动力电池内部的当前温度;根据所述当前温度,识别所述车辆当前所处的温度等级;根据所述温度等级,确定燃料发动机的目标输出功率,以使所述动力电池的电量保持在目标区间内;其中,不同的温度等级对应不同的输出功率;将所述燃料发动机的输出功率调整至所述目标输出功率。本申请能够基于车辆当前所处的温度等级,确定车辆上燃料发动机的目标输出功率,使得发动机的输出功率能够针对不同的温度等级而进行动态地调整,考虑了温度因素对发动机输出功率的影响,确保动力电池电量充足,从而可以更好地满足整车的动力性需求。
Engine control method and device of fuel cell vehicle and fuel cell vehicle
燃料电池车辆的发动机控制方法、装置及燃料电池车辆
2021-03-05
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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