The invention provides a vehicle and an accelerator mistaken stepping prevention method and system, and belongs to the technical field of vehicle intelligent control and safety. The method comprises the steps that if the current vehicle speed is within a set vehicle speed threshold range, the distance between an obstacle closest to the vehicle in a predicted track range and the vehicle is smaller than or equal to a set distance threshold value, and the current accelerator opening degree is larger than or equal to a set opening degree threshold value or the current accelerator opening degree change rate is larger than or equal to a set change rate threshold value, it is judged that an accelerator is stepped by mistake; when it is judged that the accelerator is mistakenly stepped, an alarm is given, and vehicle acceleration is restrained. When judging whether the accelerator is stepped by mistake or not, firstly, the obstacles in front of the vehicle are screened through the predicted trajectory in the current driving direction of the vehicle, the judgment object for judging whether the accelerator is stepped by mistake or not is limited to the nearest obstacle in the predicted trajectory range instead of the nearest obstacle in front of the vehicle, and the actual driving intention of the vehicle is considered; the mistaken triggering of the accelerator mistaken stepping prevention system can be effectively reduced, and the missed triggering of the accelerator mistaken stepping prevention system can be effectively avoided.
本发明提供了一种车辆、油门防误踩方法及系统,属于车辆智能控制和安全技术领域。该方法包括:若当前车速在设定车速阈值范围之内、预测轨迹范围内距车辆最近的障碍物到车辆的距离≤设定距离阈值、且当前油门开度≥设定开度阈值或者当前油门开度变化率≥设定变化率阈值,则判断油门被误踩;当判断出油门被误踩后,进行报警、抑制车辆加速。本发明在判断油门是否被误踩时,先通过车辆当前行驶方向上的预测轨迹对车辆前方的障碍物进行筛选,将油门是否被误踩的判断对象限定在预测轨迹范围内的最近障碍物,而不是车辆前方的最近障碍物,考虑了车辆的实际行驶意图,能够有效减少油门防误踩系统的误触发,还能有效避免油门防误踩系统的漏触发。
Vehicle and accelerator mistaken stepping prevention method and system
一种车辆、油门防误踩方法及系统
2022-05-27
Patent
Electronic Resource
Chinese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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