The invention relates to the field of planet series-parallel hybrid electric vehicle control strategies, and discloses a planet series-parallel type automobile driving charging power dynamic adjustingmethod and an automobile. The method comprises the steps: S1, calculatingtheoretical optimal charging power, calculating the theoretical optimal charging power according to the theoretical optimal power of the engine and the driver demand power under the current working condition; S2, calculating the dynamic adjustment charging power of the battery, taking the minimum value of the dynamic adjustment power of the engine and the required power of the driver, and calculating the dynamic adjustment charging power of the battery according to the minimum value, the minimum charging power and the required power of the driver; and S3, determining the target charging power of the battery, and determining the target charging power of the battery as the theoretical optimal charging power or the battery dynamic adjustment charging power by comparing the theoretical optimal charging power with the minimum charging power, so that the target charging power of the battery can be changed along with the optimal power of the engine, and the economy of fuel oil is ensured.
本发明涉及行星混联式混合动力汽车整车控制策略领域,公开了一种行星混联式汽车行车充电功率动态调节方法及汽车,调节方法包括:S1、计算理论最佳充电功率,通过当前工况下发动机的理论最佳功率和驾驶员需求功率计算得到理论最佳充电功率;S2、计算电池动态调节充电功率,取发动机动态调节功率和驾驶员需求功率中的最小值,通过该最小值、最小充电功率及驾驶员需求功率计算得到电池动态调节充电功率;S3、确定电池目标充电功率,通过比较理论最佳充电功率和最小充电功率的大小,确定电池目标充电功率为理论最佳充电功率或电池动态调节充电功率,其可以使电池目标充电功率跟随发动机的最佳功率进行变化,保证燃油的经济性。
Planet series-parallel type automobile driving charging power dynamic adjusting method and automobile
行星混联式汽车行车充电功率动态调节方法及汽车
2021-01-15
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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