Journal of the Korean Society for Nondestructive Testing (비파괴검사학회지)

The Korean Society for Nondestructive Testing (한국비파괴검사학회)
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Non-Destructive Diagnosis of Rotational Components of a Railway Vehicle Using Infrared Thermography and Pattern Recognitions

적외선열화상 이미지법과 패턴 인식을 이용한 철도차량 회전기기의 비파괴 진단

  • 권석진 (한국철도기술연구원 신교통연구본부) ;
  • 김민수 (한국철도기술연구원 신교통연구본부) ;
  • 서정원 (한국철도기술연구원 신교통연구본부) ;
  • 강부병 (우송대학교 철도차량시스템공학과)
  • Received : 2016.07.13
  • Accepted : 2016.08.03
  • Published : 2016.08.30
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Abstract

The faults in railway vehicle components may result in either the stoppage of the service and the derailment of the vehicle. Therefore, it is important to diagnose and monitor the main components of a railway vehicle. The use of temperature is one of the basic methods for the diagnosis of abnormal conditions in the rotational components of a railway vehicle, such as bearings, reduction gears, brake discs, wheels and traction motors. In the present study, the diagnose of the rotational components using infrared thermography and a pattern recognition technique was carried out and a field test was performed. The results show that this method of diagnosis using infrared thermography can be used to identify abnormal conditions in rotational components of a railway vehicle.

차량 부품의 고장은 운용 중단과 탈선 결과로 나타날 수 있으며 차량 주요부품의 이상상태를 진단하는 것은 중요하다. 온도를 이용한 진단 방법은 철도차량 회전기기의 -예를 들면, 베어링, 감속기, 견인전동기, 디스크- 비정상 상태를 진단하는 기본적인 방법이다. 본 연구에서는 적외선열화상과 패턴 이미지법을 이용하여 차량 하부의 회전기기의 이상 진단시스템을 구축하여 현장시험을 수행하였다. 그 이상상태 진단시스템은 차량 하부 회전기기의 이상발열 상태를 진단할 수 있었으며 비정상 상태를 평가할 수 있었다.

Keywords

References

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