Vibration characteristics between levitation air-gap and switching system girders

상전도 흡인식 자기부상열차 분기기 주행시의 부상공극변동과 분기기 거더의 진동 특성

  • 신현재 (한국기계연구원, 자기부상연구실) ;
  • 이종민 (한국기계연구원, 자기부상연구실) ;
  • 최장영 (충남대학교, 전기공학과)
  • Published : 2011.05.26

Abstract

EMS-type Maglev vehicle maintains constant levitation air-gap between electromagnet and guideway by using gap sensor. The other words, when Maglev vehicles levitating over the guideway, mass of the vehicle effects through 1st (electromagnetic air-gap control) and 2nd (air-spring) suspension to grider. Resonace between electromagnetic suspension and grider could be occurred, which causes instability and poor ridecomfort. This paper is to test the dymanic interaction between levitation air-gap and switching system grider that has less mass and high natural frequencies than other type of general girders.

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