만차 조건 자기부상열차의 분기기 구간 주행 시 진동 특성

Vibration Characteristic of Full Weight Case Maglev Vehicle Running at Switching System

In 2013, Korea will become the world's second country to operate the urban Maglev system with the inauguration of demonstration line at Incheon International Airport. A prototype Maglev is under the test at KIMM's(Korea Institute of Machinery & Materials, Daejeon) track. This Maglev is an EMS(Electromagnetic suspension)-type vehicle of controlled $8{\pm}3mm$ air gap. The air gap between electromagnet and the guiderail in an EMS-type Maglev must be maintained within an allowable deviation by controlling the magnet. The air gap response is strongly dependent on the structural characteristics of the elevated guideway. For this reason, the interaction between the vehicle with electromagnets and the elevated guideway must be understood to ensure safe running. The purpose of this paper is to compare vibration characteristics of the vehicle on the switching system and other sections when the full weight condition of urban maglev vehicle that 26.5 tons per car(empty car weight 19 tons + passenger condition 7.5 tons), is applied. Through such results, Maglev vehicles and switching system can be established and the levitation stability can be improved.