The invention provides an automatic driving vehicle following method and system wide in applicable speed, and belongs to the technical field of intelligent driving. Calculating the expected acceleration of the vehicle according to the vehicle traveling data and preset parameters based on the vehicle following model of the improved distance; an automobile braking system generates appropriate braking pressure or engine output power, and the automobile is controlled to run at the expected acceleration; according to the car-following model based on the improved distance, the accelerated speed of the car is controlled in real time based on the model, and the car-following speed application range and the passenger comfort degree are improved on the premise that absolute safety is guaranteed.
本发明提出了一种适用速度广的自动驾驶车辆跟驰方法及系统,属于智能驾驶技术领域,实时采集车辆行进数据;基于改进间距的跟驰模型,根据车辆行进数据及预先设定的参数,计算自车期望加速度;使汽车制动系统产生合适的制动压力或发动机输出功率,控制车辆以期望加速度行驶;本发明提出一种基于改进间距的跟驰模型,基于模型对车辆加速度进行实时控制,在确保绝对安全的前提下,提高了跟驰的速度适用范围和乘客舒适度。
Automatic driving vehicle following method and system with wide applicable speed
一种适用速度广的自动驾驶车辆跟驰方法及系统
2022-12-16
Patent
Elektronische Ressource
Chinesisch
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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