The invention discloses an accelerator pedal fault diagnosis method and device and a vehicle. The accelerator pedal fault diagnosis method comprises the steps: obtaining a first voltage signal collected by a first sensor and a second voltage signal collected by a second sensor; if it is judged that an accelerator pedal is located in an initial idling area and then, leaves the initial idling area according to the first voltage signal, recording the second voltage signal obtained when the accelerator pedal leaves the initial idling area as an idling area critical value; if it is judged that theaccelerator pedal leaves the idling area according to the first voltage signal, and it is judged that the accelerator pedal is located in the idling area according to the second voltage signal and thecritical value of the idling area, judging that the first voltage signal and the second voltage signal are asynchronous; and if it is judged that the asynchronous frequency of the first voltage signal and the second voltage signal exceeds a frequency threshold value, judging that the accelerator pedal breaks down. According to the invention, accelerator pedal signal synchronism information can betimely and accurately reflected, more accurate fault diagnosis is realized, and the safety of the whole vehicle is improved.
本发明公开了一种加速踏板的故障诊断方法、装置及车辆。该加速踏板的故障诊断方法包括:获取第一传感器采集的第一电压信号和第二传感器采集的第二电压信号;若根据第一电压信号判断出加速踏板处于初始怠速区域,之后离开初始怠速区域;将加速踏板离开初始怠速区域时获取的第二电压信号记为怠速区域临界值;若根据第一电压信号判断出加速踏板离开怠速区域,且根据第二电压信号和怠速区域临界值判断出加速踏板位于怠速区域,则第一电压信号和第二电压信号不同步;若判断出第一电压信号和第二电压信号不同步的次数超过次数阈值,则加速踏板出现故障。本发明可以及时准确地反应加速踏板信号同步性信息,实现更精确的故障诊断,提高整车安全性。
Accelerator pedal fault diagnosis method and device and vehicle
一种加速踏板的故障诊断方法、装置及车辆
16.10.2020
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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