The present invention relates to a method for diagnosing a wheel bearing failure using a wheel speed sensor. More particularly, the method for diagnosing a wheel bearing failure using a wheel speed sensor comprises the steps of: measuring the wheel speed, by a wheel speed sensor provided on one side of a wheel bearing; performing frequency analysis of a band prepared in advance for each failure mode on a signal generated from the wheel speed sensor and deriving the amplitude for each band; and when the amplitude is larger than a reference value, generating an abnormal signal and alarming a failure. Even if an acceleration sensor is excluded from a sensor module, the failure of the wheel bearing can be diagnosed, so the value of the sensor module can be relatively lowered, and even if the acceleration sensor provided in the sensor module fails, it is possible to diagnose the failure of the wheel bearing.

    본 발명은 휠스피드 센서를 활용한 휠 베어링 고장 진단 방법에 관한 것으로, 휠 베어링 일측에 구비된 휠 스피드 센서가 휠속을 측정하는 단계와, 휠 스피드 센서에서 발생된 시그널에 대해 고장모드별로 미리 준비된 대역의 주파수 분석을 수행하고 대역별 진폭을 도출하는 단계와, 진폭이 기준값에 비해 크면 이상신호를 발생하고, 고장을 알람하는 단계를 포함하며,, 센서모듈에서 엑셀레이션 센서가 배제되더라도 휠 베어링의 고장을 진단할 수 있으므로, 센서모듈의 값을 상대적으로 낮출 수 있고, 센서모듈에 구비된 엑셀레이션 센서가 고장나더라도, 휠 베어링의 고장을 진단할 수 있는, 휠스피드 센서를 활용한 휠 베어링 고장 진단 방법을 제공한다.


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    Title :

    method for diagnose wheel bearing failure using wheel speed sensor


    Additional title:

    휠스피드 센서를 활용한 휠 베어링 고장 진단 방법


    Contributors:

    Publication date :

    2021-07-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B60B VEHICLE WHEELS , Räder für Fahrzeuge / 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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