The invention relates to the technical field of intelligent driving assistance, in particular to a power control strategy for self-adaptive cruise vehicle following static and an electric vehicle. The power control strategy comprises the following steps: when the current acceleration value AxCal of the vehicle calculated by the longitudinal control module and the target acceleration value AxTar requested by the advanced driving assistance system and received by the longitudinal control module are both negative values, the AxCal is smaller than the AxTar, and the current vehicle speed obtained by the longitudinal control module is smaller than a set threshold value, the longitudinal control module is started; and when the acceleration difference value AxErr in a set time period before the current moment is changed from negative to positive, the calculation of the I-item accumulated force in the PI control logic is interrupted at the current moment, and the PI control logic adopts the corresponding I-item accumulated force when the AxErr is zero to continuously output until the brake is static. According to the self-adaptive cruise vehicle-following static power control strategy and the electric vehicle, the problem that the vehicle loses the deceleration feeling and even slightly slides in the rear half braking section is solved.
本申请涉及智能驾驶辅助技术领域,涉及一种自适应巡航跟车静止的动力控制策略及电动汽车,动力控制策略包含步骤:当纵向控制模块计算获得的车辆当前加速度值AxCal和纵向控制模块接收到先进驾驶辅助系统请求的目标加速度值AxTar均为负值、AxCal比AxTar小、纵向控制模块获取的当前车速小于设定阈值、且在当前时刻往前的设定时间段内加速度差异值AxErr由负变为正时,所述PI控制逻辑中的I项累计力在当前时刻计算中断,PI控制逻辑采用AxErr为零时对应的I项累计力持续输出,直至刹车到静止。本申请的自适应巡航跟车静止的动力控制策略及电动汽车,解决车辆刹车后半段会失去减速度感甚至轻微滑行的问题。
Power control strategy for self-adaptive cruise vehicle following static and electric vehicle
一种自适应巡航跟车静止的动力控制策略及电动汽车
2024-08-02
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / 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 |
Vehicle following control method of self-adaptive cruise system and vehicle
European Patent Office | 2024
|Vehicle-following cruise risk identification method for adaptive cruise control system of vehicle
European Patent Office | 2022
|Self-adaptive cruise low-speed vehicle following control method and device and vehicle
European Patent Office | 2020
|Self-adaptive cruise control method and system and electric vehicle
European Patent Office | 2024
|