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《Journal of Tongji University(Natural Science)》 2018-05
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Dynamic Measurement System Design for Vertical Irregularity of High Speed Maglev Track

WU Jun;TANG Junyuan;HONG Xiaobo;College of Intelligence Science and Engineering,National University of Defense Technology;  
Based on the principle of inertia reference method,a kind of dynamic measurement system assembled on a vehicle was proposed to realize the measurement for the vertical irregularity of high speed maglev track.It is verified that the system can meet the requirements of measurement error within ±0.2 mm.As the detection surface was the cogging structure type of long stator of synchronous machine,an effective algorithm was put forward to reduce"cogging effect".As a result,it can reduce the measurement fluctuate within ±5 mm which is caused by the cogging structure.Finally,according to the requirement of measurement,the selections of related sensors in the system were analyzed and the preliminary consideration of platform design was discussed.
【Fund】: “十三五”国家重点研发计划(2016YFB1200602-40)
【CateGory Index】: U216.3;U237
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