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Research on gap sensor and position sensor for high speed maglev train
Yan Sun(손연),Changyoung Lee(이차영),Youngjae Han(한영재) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.11
Maglev has got a lot of attention as a new transportation method due to its superior characters, such as high speed operation, low energy consumption, high level safety control, and environment friendly. Compare with conventional wheel on rail trains, maglev train suspends on the track, so suspension gap is a crucial parameter related to safety operation. Due to its non-contact and high speed operation, real-time control is highly enhanced. To ensure reliable and safety operation, precise suspension gap and position and speed information are needed. Suspension gap are measured by gap sensor and position and speed information are collected by position sensor, these information are sent to control center for operation control. This paper is to investigate and compare the working principle of gap sensor and position sensor.