The invention provides a hybrid electric vehicle gear shifting torque distribution control method and system and a vehicle. The method comprises the steps that when a hybrid electric vehicle is in a parallel connection mode, a gear shifting request is obtained; according to the gear shifting request, target inertia torque needed in the gear shifting and speed regulating process is calculated; distributing the target inertia torque to a driving unit and a clutch according to a preset proportion; the total inertia torque distributed to the driving unit is distributed step by step according to the torque allowance of each sub-driving unit in the driving unit and a preset sequence; and the clutch and the driving unit are driven according to the respectively distributed inertia torque to finish the gear shifting and speed regulating process. The problem that a single driving unit cannot achieve the speed regulation target is solved to a great extent, the control robustness of the parallel mode gear shifting process is improved, the capacity of the system can be brought into full play under different altitudes and air temperature environments, and the purposes of rapidly completing gear shifting and balancing drivability are achieved.
本发明提出一种混合动力汽车换挡扭矩分配控制方法、系统及车辆,方法包括当所述混合动力汽车处于并联模式时,获取换挡请求;依据所述换挡请求计算换挡调速过程中所需的目标惯性扭矩;按照预设比例将所述目标惯性扭矩分配至驱动单元和离合器;将分配给所述驱动单元的总惯性扭矩按照驱动单元中各个子驱动单元的扭矩余量及预设顺序进行逐级分配;所述离合器和所述驱动单元按照各自分配的惯性扭矩进行驱动完成换挡调速过程。本发明极大程度的解决了单一驱动单元无法实现调速目标的问题,提升了并联模式换挡过程控制的鲁棒性,使之在不同的海拔和气温环境下都能充分发挥系统的能力,达到快速完成换挡及均衡驾驶性的目的。
Hybrid electric vehicle gear shifting torque distribution control method and system and vehicle
混合动力汽车换挡扭矩分配控制方法、系统及车辆
2024-09-13
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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