The invention discloses a vehicle braking control method and device, a medium and equipment, and the method comprises the steps that operation parameters of a vehicle are obtained, and a target braking torque is determined according to the operation parameters; according to the operation parameters and the target braking torque, a corresponding braking torque distribution strategy is determined based on a multi-target torque optimization controller, and the multi-target torque optimization controller comprises a first cost function model based on a braking safety optimization target on the basis of a model prediction controller, a second cost function model based on a regenerative braking energy recovery efficiency optimization target, and a constraint condition model based on brake actuator performance limitation; and according to the braking torque distribution strategy, the regenerative braking torque and the hydraulic braking torque of the vehicle are subjected to coordination control. According to the technical scheme, the energy recovery efficiency during regenerative braking and hydraulic braking coordination control can be improved, and then the braking control efficiency of the vehicle is improved.
本申请公开了车辆制动控制方法、装置、介质和设备,方法包括:获取车辆的运行参数,并根据运行参数确定目标制动扭矩;根据运行参数以及目标制动扭矩,基于多目标扭矩优化控制器确定对应的制动扭矩分配策略,多目标扭矩优化控制器包括:在模型预测控制器的基础上,基于制动安全的优化目标的第一代价函数模型,基于再生制动能量回收效率优化目标的第二代价函数模型,以及基于制动执行器性能限制的约束条件模型;根据制动扭矩分配策略,对车辆的再生制动扭矩以及液压制动扭矩进行协调控制。通过本申请提供的技术方案能够提高再生制动和液压制动协调控制时的能量回收效率,进而提高车辆的制动控制效率。
Vehicle braking control method and device, medium and equipment
车辆制动控制方法、装置、介质和设备
2024-08-06
Patent
Electronic Resource
Chinese
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