AMT gearbox output shaft rotating speed sensor fault diagnosis method, control unit and vehicle

The invention relates to the field of signal processing and fault diagnosis of an AMT gearbox output shaft rotating speed sensor, and particularly discloses an AMT gearbox output shaft rotating speed sensor fault diagnosis method, a control unit and a vehicle. According to the method, the rotating speed value of the output shaft rotating speed sensor is verified in real time, the corresponding verification mode is selected according to the vehicle state, the verification accuracy is improved, and the fault prediction and diagnosis are performed on the output shaft sensor according to the real-time verification of the rotating speed value of the output shaft rotating speed sensor. And early diagnosis of rotating speed signal abnormity and faults is realized, so that the safety of vehicle driving is improved. 本发明涉及AMT变速箱输出轴转速传感器的信号处理及故障诊断领域，具体公开一种AMT变速箱输出轴转速传感器故障诊断方法、控制单元及车辆，根据车辆状态选择相应校验方式对输出轴转速传感器采集的实际输出轴转速进行校验，以将实际输出轴转速信号与相关信号进行对比，根据信号差异情况对输出轴传感器进行故障预测与诊断，本发明对输出轴转速传感器的转速值进行实时校验，且根据车辆状态选择相应的校验方式，提高校验准确性，实现转速信号