| 非导磁金属隔层对差动变压器式位移传感器的影响 |
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| 引用本文： | 金超武,徐龙祥,丁嵩.非导磁金属隔层对差动变压器式位移传感器的影响[J].传感技术学报,2011,24(1):30-35. |
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| 作者姓名： | 金超武 徐龙祥 丁嵩 |
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| 作者单位： | 南京航空航天大学机电学院;南京磁谷科技有限公司; |
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| 基金项目： | 江苏省“333高层次人才培养工程”资助项目([2009]53号); 江苏省产学研联合创新资金资助(By2009101); 江苏省自然科学基金资助(BK2007590); 航空科学基金资助(2008ZB52018) |
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| 摘 要： | 针对加入到差动变压器铁芯和衔铁之间的非导磁金属隔层对差动变压器式位移传感器性能的影响进行了研究.通过分析非导磁金属隔层上产生的电涡流得到加入非导磁金属隔层后差动变压器式位移传感器输出模型,应用MATLAB仿真得到非导磁金属隔层电导率、线圈激励频率和隔层与线圈距离对传感器性能的影响;对加入非导磁金属隔层后的传感器进行静态...
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| 关 键 词： | 差动变压器 非导磁金属 隔层 位移传感器 磁悬浮轴承 |
The effect of non-magnetic metal interlayer on the differential transformer displacement sensor |
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| JIN Chaowu,XU Longxiang,DING Song.The effect of non-magnetic metal interlayer on the differential transformer displacement sensor[J].Journal of Transduction Technology,2011,24(1):30-35. |
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| Authors: | JIN Chaowu XU Longxiang DING Song |
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| Affiliation: | JIN Chaowu1,XU Longxiang1,DING Song21.College of Mechanical & Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China,2.Nanjing CIGU Limited Corporation,Nanjing 211102 |
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| Abstract: | The effect of non-magnetic metal interlayer located between the transformer core and iron on the performance of the differential transformer displacement sensor was studied.The displacement sensor output model was deduced through analyzing the generated eddy current on the added non-magnetic metal interlayer.And the influences of the non-magnetic metal interlayer conductivity,coil excitation frequency and the distance between the interlayer and coil on the sensor performance were simulated in MATLAB.The rel... |
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| Keywords: | differential transformer non-magnetic metal interlayer displacement sensor active magnetic bearing |
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