한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제18권2호
  • /
  • Pages.83-90
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  • 2010
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  • 1225-6382(pISSN)
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  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
권호 표지

비압축성을 고려한 와이퍼 블레이드의 거동 해석

An Analysis about the Behavior of the Wiper Blade Including Incompressibility

  • 정원선 (자동차부품연구원 신뢰성응용센터) ;
  • 송현석 (자동차부품연구원 신뢰성응용센터) ;
  • 박태원 (아주대학교 기계공학과) ;
  • 정성필 (아주대학교 기계공학과) ;
  • 김욱현 (아주대학교 기계공학과)
  • Chung, Won-Sun (Reliability Application Research Center, Korea Automotive Technology Institute) ;
  • Song, Hyun-Seok (Reliability Application Research Center, Korea Automotive Technology Institute) ;
  • Park, Tae-Won (Department of Mechanical Engineering, Ajou University) ;
  • Jung, Sung-Pil (Department of Mechanical Engineering, Ajou University) ;
  • Kim, Wook-Hyeon (Department of Mechanical Engineering, Ajou University)
  • 투고 : 2009.07.07
  • 심사 : 2009.09.21
  • 발행 : 2010.03.01
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초록

The windshield wiper consists of 4 parts: a blade, an arm, a linkage and a motor. The wiper blade makes contact with the windshield and is designed to be operated normally at an angle of 30~50 degrees to the front glass. If the contact pressure between the wiper blade and windshield surface is too high, noise and wear of the rubber will result. On the other hand, if the contact pressure is too low, the performance will do badly, since foreign substances such as dust and stains will not be removed well. The pressure and friction of the wiper blade has a great influence on its effectiveness in cleaning the front window. This is due to the contact of the rubber with the window. This paper presents the dynamic analysis method to estimate the performance of the flat type blade of the wiper system. The blade has a nonlinear characteristic since the rubber is an incompressible hyper-elastic and visco-elastic material. Thus, Structural dynamic analysis using a complex contact model for the blade is performed to find the characteristics of the blade. The flexible multi-body dynamic model is verified by the comparison between test and analysis result. Also, the optimization using the central composite design table is performed.

키워드

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