Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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The development of hydraulic suspension system capable of vehicle height at driving and the comparative analysis of vibration characteristic

주행중 차고 조절이 가능한 유압식 현가장치 개발 및 진동특성 비교 분석

  • Kang, Hyung-Sun (Division of Hi-Tech CAD/CAM, Chosun College of Science & Technology) ;
  • Baek, Jong-Jin (Division of Hi-Tech CAD/CAM, Chosun College of Science & Technology)
  • 강형선 (조선이공대학교 하이테크CAD/CAM과) ;
  • 백종진 (조선이공대학교 하이테크CAD/CAM과)
  • Received : 2012.09.13
  • Accepted : 2013.02.06
  • Published : 2013.02.28
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Abstract

This study aims to develop the control system of vehicle height and apply this developed system to common passenger car. The vibration characteristics to affect ride comfort are examined through driving tests. The hydraulic control system of vehicle height is designed by Macpherson type used most commonly at current passenger car. Tests in this study are operated by the vehicle installed with genuine suspension system of Macpherson type, tuning suspension system and hydraulic control system of vehicle height. As vibration characteristics transmitted to vehicle become random types values of PSD(Power Spectrum Density) are compared.

본 연구는 유압식 자동차고 조절장치 개발 및 상기장치를 일반 상용차에 적용시키기 위한 것이다. 운전자의 승차감에 영향을 줄 진동특성을 주행시험을 통하여 파악하고자 하였다. 유압식 자동차고 조절장치는 현재 승용차에 가장 많이 사용되고 있는 맥퍼슨 형식의 형태로 설계되었다. 맥퍼슨 형식의 순정현가장치, 튜닝현가장치, 유압식 자동차고 조절장치를 장착한 차량으로 시험을 수행하였다. 자동차에 전달되는 진동특성은 랜덤형태이므로 PSD(Power Spectrum Density)값을 비교하였다.

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References

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