The invention discloses a V2X-based motorcade cooperative braking method and system, and the method comprises the following steps: obtaining the braking information of the foremost vehicle of a motorcade, and notifying all remaining following vehicles of the motorcade at the same time through V2X; for each vehicle in all following vehicles, acquiring driving data of the vehicle, driving data of apreceding vehicle and braking information of the forefront vehicle; establishing a dynamic safety following distance model; based on the preceding vehicle driving data, the vehicle driving data and the dynamic safe following distance model, obtaining a vehicle braking model through calculation; according to the vehicle braking model, obtaining the ideal braking acceleration of the vehicle and transmitting the ideal braking acceleration to an executing mechanism to be braked, enabling the actual acceleration of the vehicle to change along with the ideal acceleration value, and completing motorcade cooperative braking. According to the invention, the information interaction efficiency between vehicles can be improved, and the following vehicle braking time is shortened.
本发明公开了一种基于V2X的车队协同制动方法及系统,包括以下步骤:获取车队最前车的制动信息,通过V2X同时通知到车队剩余的所有跟随车辆;对于所有跟随车辆中的每一辆车,获取本车行驶数据、前车行驶数据及最前车的制动信息;建立动态安全跟驰距离模型;基于前车行驶数据、本车行驶数据和动态安全跟驰距离模型,计算得出车辆制动模型;根据车辆制动模型,得出本车理想制动加速度并传输给执行机构进行制动,使车辆的实际加速度跟随理想加速度值变化,完成车队协同制动。本发明可提高车与车之间的信息交互效率,缩短跟随车辆制动时间。
V2X-based motorcade cooperative braking method and system
一种基于V2X的车队协同制动方法及系统
2020-06-30
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 |
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