Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Development of Diagnosis System for Hub Bearing Fault in Driving Vehicle

차량 주행 상태에서 허브 베어링 이상을 진단할 수 있는 장치 개발

  • 임종순 ((주)일진글로벌 WTB 사업본부) ;
  • 박지헌 ((주)일진글로벌 WTB 사업본부) ;
  • 김진용 (자동차부품연구원 차체샤시기술연구센터) ;
  • 윤한수 (단암시스템즈(주) 기술연구소) ;
  • 조용범 ((주)글로비즈 기술연구소)
  • Received : 2010.04.14
  • Accepted : 2010.10.11
  • Published : 2011.03.01
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Abstract

In this paper, we propose effective diagnosis algorithm for hub bearing fault in driving vehicle using acceleration signal and wheel speed signal measured in hub bearing unit or knuckle. This algorithm consists of differential, envelope and power spectrum method. We developed diagnosis system for realizing proposed algorithm. This system consists of input device including acceleration sensor and wheel speed sensor, calculation device using Digital Signal Processor (DSP) and display device using Personal Digital Assistant (PDA). Using this diagnosis system, a driver can see hub bearing fault(flaking) from the vibration in driving vehicle. With early repairing, he can keep good ride feeling and prevent accident of vehicle resulting from hub bearing fault.

Keywords

References

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