The invention relates to the technical field of vehicle braking control, in particular to a comfortable braking method suitable for an electronic mechanical braking system. Comprising the steps that first-stage control and second-stage control are executed in the initial braking stage and the later braking stage correspondingly, and the process of the first-stage control comprises the steps that the proportion of braking force on four wheels in the total braking force is distributed, so that the pitch angle of a vehicle body is restrained; the conditions for executing the second-stage control comprise that the vehicle speed is reduced to a threshold speed V1 during the execution of the first-stage control, and the V1 is in positive correlation with the initial speed V0 for executing the first-stage control and the braking force request degree Fy when the vehicle speed is reduced to a preset value V2; the second-stage control process comprises the steps that the target braking deceleration axTar is confirmed in real time, the axTar is in positive correlation with the current vehicle speed and the braking force request degree, and the actual braking force of the vehicle is controlled in real time so as to track the target braking deceleration axTar. And the braking comfort can be effectively improved.
本发明涉及车辆制动控制技术领域,具体涉及一种适用电子机械制动系统的舒适制动方法。包括:在制动初期和制动后期分别执行第一阶段控制和第二阶段控制,第一阶段控制的过程包括:分配四个车轮上制动力占总制动力的比例,以抑制车身俯仰角;执行第二阶段控制的条件包括:执行第一阶段控制中车速降低至门限速度V1,V1与进入执行第一阶段控制的初始速度V0和车速降至预设值V2时的制动力请求度Fy呈正相关;第二阶段控制的过程包括:实时确认目标制动减速度ax_Tar,ax_Tar与当前的车速和制动力请求度呈正相关,实时控制车辆实际制动力以跟踪目标制动减速度ax_Tar。能够有效提高制动舒适性。
Comfortable braking method suitable for electronic mechanical braking system
一种适用电子机械制动系统的舒适制动方法
2025-05-13
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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