Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Application of Envelop Analysis and Wavelet Transform for Detection of Gear Failure

기어 결함 검출을 위한 포락처리와 웨이블릿 변환의 적용

  • 구동식 (경상대학교 대학원 정밀기계공학과) ;
  • 이정환 (경상대학교 대학원 정밀기계공학과) ;
  • 양보석 (부경대학교 기계공학부) ;
  • 최병근 (경상대학교 기계항공공학부.해양산업연구소)
  • Published : 2008.11.01
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Abstract

Vibration analysis is widely used in machinery diagnosis and the wavelet transform has also been implemented in many applications in the condition monitoring of machinery. In contrast to previous applications, this paper examines whether acoustic signal can be used effectively along vibration signal to detect the various local fault, in local fault of gearboxes using the wavelet transform. Moreover, envelop analysis is well known as useful tool for the detection of rolling element bearing fault. In this paper, a acoustic emission (AE) sensor is employed to detect gearbox damage by installing them around bearing housing at driven-end side. Signal processing is conducted by wavelet transform and enveloping to detect her fault all at once gearbox using AE signal.

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References

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