The invention relates to the field of hybrid power, and provides a braking energy recovery method and device of a hybrid electric vehicle and the hybrid electric vehicle. Acquiring vehicle speed information, brake pedal depth information, vehicle quality information, ramp information and gear information of the hybrid electric vehicle; determining an average vehicle speed change rate based on the vehicle speed information; determining a torque recovery strategy and an initial brake recovery torque based on the average vehicle speed change rate and the brake pedal depth information; determining a target correction coefficient based on the automobile quality information, the ramp information and the gear information; and correcting the initial brake recovery torque by using the target correction coefficient to obtain a target brake recovery torque. In this way, the brake pedal depth information, the vehicle speed change rate, the ramp information, the vehicle mass and the gear information are associated with brake torque recovery, and the problem that in the related technology, the brake energy recovery efficiency of the hybrid electric vehicle is low is solved.
本发明涉及混合动力领域,提供一种混合动力汽车的制动能量回收方法、装置和混合动力汽车,包括:在混合动力汽车处于制动能量回收功能激活的情况下,获取混合动力汽车的车速信息、制动踏板深度信息、汽车质量信息、坡道信息以及挡位信息;基于车速信息确定平均车速变化率;基于平均车速变化率与制动踏板深度信息确定扭矩回收策略以及初始制动回收扭矩;基于汽车质量信息、坡道信息以及挡位信息确定目标修正系数;利用目标修正系数对初始制动回收扭矩进行修正,得到目标制动回收扭矩。如此,通过将制动踏板深度信息、车速变化率、坡道信息、汽车质量、以及挡位信息与制动扭矩回收关联,解决了相关技术中混合动力汽车制动能量回收效率低的问题。
Braking energy recovery method and device of hybrid electric vehicle and hybrid electric vehicle
混合动力汽车的制动能量回收方法、装置和混合动力汽车
2024-01-26
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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