The invention discloses an engine starting method and system of a hybrid vehicle, a medium and the hybrid vehicle, and the method comprises the following steps: determining the first residual power of a power battery according to the current discharge power of the power battery and the current working power of a direct current-direct current converter; the current working power is the sum of the working power of all domain controllers in the hybrid vehicle; if the first residual power is lower than the power required for starting the engine, determining second residual power of the power battery according to the current discharge power and the minimum working power; if the second residual power is higher than the power required for starting the engine, target limiting power is determined according to the current working power and the minimum working power; limiting the execution power of a first type of function executor under the domain controller according to the target limiting power, and starting the engine; wherein the first type of function executors are used for providing other functions except basic functions required by driving.
本发明公开了一种混动车辆的发动机启动方法、系统、介质及混动车辆,所述方法包括:根据动力电池的当前放电功率和直流‑直流转换器的当前工作功率,确定所述动力电池的第一剩余功率;所述当前工作功率为所述混动车辆中所有域控制器的工作功率之和;若所述第一剩余功率低于发动机启动所需功率,则根据所述当前放电功率和所述最小工作功率,确定所述动力电池的第二剩余功率;若所述第二剩余功率在所述发动机启动所需功率之上,根据所述当前工作功率和所述最小工作功率确定目标限制功率;根据所述目标限制功率限制所述域控制器下的第一类功能执行器的执行功率,并启动所述发动机;其中,所述第一类功能执行器用于提供除行车所需基本功能之外的其他功能。
Engine starting method and system of hybrid vehicle, medium and hybrid vehicle
一种混动车辆的发动机启动方法、系统、介质及混动车辆
24.01.2025
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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