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高分辨磁旋轉編碼器磁鼓表露磁場分析與AMR檢測磁頭設計

王立錦,  胡強,  滕蛟,  朱逢吾

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文章導航 > 工程科學學報  > 2004 >  26(5): 498-501,532
王立錦, 胡強, 滕蛟, 朱逢吾. 高分辨磁旋轉編碼器磁鼓表露磁場分析與AMR檢測磁頭設計[J]. 工程科學學報, 2004, 26(5): 498-501,532. doi: 10.13374/j.issn1001-053x.2004.05.012
引用本文: 王立錦, 胡強, 滕蛟, 朱逢吾. 高分辨磁旋轉編碼器磁鼓表露磁場分析與AMR檢測磁頭設計[J]. 工程科學學報, 2004, 26(5): 498-501,532. doi: 10.13374/j.issn1001-053x.2004.05.012
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WANG Lijin, HU Qiang, TENG Jiao, ZHU Fengwu. Analysis of Surface Magnetic Field on High-resolution Magnetic Rotary Encoders and Design for AMR Magnetic Heads[J]. Chinese Journal of Engineering, 2004, 26(5): 498-501,532. doi: 10.13374/j.issn1001-053x.2004.05.012
Citation: WANG Lijin, HU Qiang, TENG Jiao, ZHU Fengwu. Analysis of Surface Magnetic Field on High-resolution Magnetic Rotary Encoders and Design for AMR Magnetic Heads[J]. Chinese Journal of Engineering, 2004, 26(5): 498-501,532. doi: 10.13374/j.issn1001-053x.2004.05.012
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高分辨磁旋轉編碼器磁鼓表露磁場分析與AMR檢測磁頭設計

doi: 10.13374/j.issn1001-053x.2004.05.012

  • 1. 北京科技大學材料科學與工程學院, 北京 100083;

  • 2. 中國科學院物理研究所磁學國家重點實驗室, 北京 100080

基金項目: 

國家“863”高技術研究發展計劃(No.2003AA325010)

詳細信息
    作者簡介:

    王立錦 男,41歲,副教授,博士

  • 中圖分類號: O484.4+3

Analysis of Surface Magnetic Field on High-resolution Magnetic Rotary Encoders and Design for AMR Magnetic Heads

  • 1. Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China;

  • 2. State Key Laboratory of Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

    摘要
  • 摘要: 應用靜磁場理論分析了高分辨磁旋轉編碼器磁鼓的表露磁場,通過數值計算得到磁鼓表露場分布的直觀曲線.設計制作出性能優良的磁旋轉編碼器AMR檢測磁頭,理論分析結果與對磁鼓表露磁場的實際測試結果進行了分析對比.結果表明,AMR檢測磁頭輸出信號形狀與幅度及其倍頻特性與理論計算結果是相符的.

     

    Abstract: Based on the theory of static magnetic field, the surface magnetic field on the high-resolution multi-pole magnetic drum for a magnetic rotary encoder was analyzed. The visual curves of the surface magnetic field distribution were obtained by numerical calculation and plotting. A good AMR magnetic head for the magnetic rotary encoder was designed. The results of theoretical analysis and practical test were contrasted. The results are accorded in the output signal's shape and amplitude of the AMR magnetic head and its multi-frequency characteristic.

     

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出版歷程
  • 收稿日期:  2004-03-18
  • 網絡出版日期:  2021-08-17

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