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Research on Non-contact Angle Measurement Based on AMR Effect

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Communications, Signal Processing, and Systems (CSPS 2017)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 463))

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Abstract

A non-contact angle measuring method based on AMR effect is proposed in this paper. The method improves the measurement sensitivity and resolution with a Wheatstone bridge. In this paper, the function of the output voltage of the Wheatstone bridge is derived, which is on the angle between the direction of the external magnetic field and the bridge. Besides, the magnetic field distribution of a radially magnetized permanent magnet is analyzed. A device for measuring the angle in the range of ±10° is designed, and the sensitivity of the device is about 15 mV/arcminute. The method introduced in this paper has advantages of simple structure, low cost, high sensitivity and free from space limitation.

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References

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Author information

Authors and Affiliations

  1. State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin, China

    Yinguo Huang, Shuya Zhuang, Zhiyi Wang, Xiaomei Zhang & Meirong Zhao

Authors
  1. Yinguo Huang
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  2. Shuya Zhuang
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  3. Zhiyi Wang
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  4. Xiaomei Zhang
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  5. Meirong Zhao
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Corresponding author

Correspondence to Yinguo Huang .

Editor information

Editors and Affiliations

  1. Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas, USA

    Qilian Liang

  2. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Jiasong Mu

  3. Harbin Institute of Technology, Harbin, Heilongjiang, China

    Min Jia

  4. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Wei Wang

  5. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Xuhong Feng

  6. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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© 2019 Springer Nature Singapore Pte Ltd.

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Cite this paper

Huang, Y., Zhuang, S., Wang, Z., Zhang, X., Zhao, M. (2019). Research on Non-contact Angle Measurement Based on AMR Effect. In: Liang, Q., Mu, J., Jia, M., Wang, W., Feng, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2017. Lecture Notes in Electrical Engineering, vol 463. Springer, Singapore. https://doi.org/10.1007/978-981-10-6571-2_245

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  • DOI: https://doi.org/10.1007/978-981-10-6571-2_245

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6570-5

  • Online ISBN: 978-981-10-6571-2

  • eBook Packages: EngineeringEngineering (R0)

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