The invention provides a control method for idle charging of a hybrid electric vehicle and a related device. The control method comprises the steps that whether a power battery is in a forced charging state or not is judged based on the charge state of the power battery; if yes, based on the consumed power of the high-voltage accessory, the forced charging power of the power battery and the actual charging power of the power battery, the target rotating speed and the target torque of the engine during charging of the power battery are calculated; and the engine is controlled based on the target rotating speed and the target torque, whether the charging capacity of the engine is sufficient or not is judged based on the actual charging power of the power battery, and if the charging capacity is insufficient, work of the engine is adjusted. According to the idle charging control method for the hybrid electric vehicle, the problem that the charge state of the power battery is continuously reduced due to insufficient charging power of the power battery caused by the torque error of the engine is solved, the charge state of the power battery is prevented from being reduced to the lower limit of the service life, and it is guaranteed that the charge state of the power battery is within the available interval.
本发明提供一种混动汽车怠速充电的控制方法以及相关装置,控制方法包括:基于动力电池的荷电状态判断动力电池是否处于强制充电状态;若是,基于高压附件的消耗功率、动力电池的强制充电功率以及动力电池的实际充电功率,计算动力电池充电时发动机的目标转速和目标扭矩;基于目标转速和目标扭矩对发动机进行控制,并基于动力电池的实际充电功率判断发动机的充电能力是否足够,若充电能力不足,对发动机的工作进行调节。本发明的混动汽车怠速充电的控制方法,弥补了发动机扭矩误差导致动力电池充电功率不足进而导致动力电池荷电状态持续下降的问题,避免动力电池荷电状态下降至寿命下限,保证动力电池的荷电状态处于可用区间内。
Control method for idle charging of hybrid electric vehicle and related device
一种混动汽车怠速充电的控制方法以及相关装置
2024-07-05
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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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