The invention relates to a vehicle braking method and device, a storage medium and a vehicle. The method is applied to a vehicle with a P2P4 framework and comprises the steps that when the vehicle is in a braking state, the gear of a double-clutch automatic transmission of the vehicle is responded to be switched into a neutral gear, and whether the gear of a rear axle two-gear transmission of the vehicle is the neutral gear or not is judged; the method comprises the following steps: under the condition that the gear of a rear axle two-gear transmission of the vehicle is not a neutral gear, determining the size of available recovery torque required by an electronic stability system of the vehicle according to brake recovery torque recovered by a rear axle motor of the vehicle, the magnitude of the available recycled torque is used for the electronic stabilization system to adjust the vehicle to provide hydraulic braking force. When the vehicle is in a braking state, the dual-clutch automatic transmission of the vehicle is switched to the neutral gear, and the rear axle two-gear transmission is not the neutral gear, the available recycling torque cannot jump to zero, and therefore the problem that the smoothness of the whole vehicle is affected due to sudden change of braking force is avoided.
本公开涉及一种车辆制动方法、装置、存储介质及车辆。所述方法应用于P2P4构架的车辆,所述方法包括:在所述车辆处于制动状态下,响应于所述车辆的双离合自动变速器档位切换为空挡,判断所述车辆的后桥两档位变速器的档位是否为空挡;在所述车辆的后桥两档位变速器的档位非空档的情况下,根据所述车辆的后桥电机回收的制动回收扭矩确定所述车辆的电子稳定系统所需的可用回收扭矩的大小,其中,所述可用回收扭矩的大小用于所述电子稳定系统调整所述车辆提供液压制动力。保证了在车辆处于制动状态、且车辆的双离合自动变速器切换为空挡、后桥两挡变速器非空挡时,可用回收扭矩不会跳变为零,从而避免因制动力突然变化而影响整车平顺性的问题。
Vehicle braking method and device, storage medium and vehicle
车辆制动方法、装置、存储介质及车辆
2022-06-21
Patent
Electronic Resource
Chinese
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