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An Improved Beam Method for Acoustic Emission Source Localization in Thin Plates

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Advances in Acoustic Emission Technology

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 259))

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Abstract

Using beamforming method to localize the AE source has been developed for years. However, if there is no accurate wave speed, the localizing results of beamforming may have a great deviation. After analyzing the beamforming localization characteristics, by comparing the two arrays of localizing effect, an improved beamforming method based on X array is proposed to reduce the localization error caused by the uncertainty of array direction and speed. The pencil-lead-broken experiment on a thin plate is conducted to verify the presented method, the result shows that this method can effectively localize the AE source under the condition of unknown accurate localizing speed.

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Authors and Affiliations

  1. School of Transportation Science and Engineering, Beihang University, Beijing, 100191, China

    Zihao Zhao, Ran Zhao, Jianwen Wang, Tian He & Qiang Pan

  2. Aerospace Technology Research Institute, China Aerospace Science and Industry Corp, Beijing, 100174, China

    Xianlei Ye

Authors
  1. Zihao Zhao
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  2. Ran Zhao
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  3. Xianlei Ye
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  4. Jianwen Wang
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  5. Tian He
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  6. Qiang Pan
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Corresponding author

Correspondence to Tian He .

Editor information

Editors and Affiliations

  1. China Special Equipment Inspection and Research Institute, Hepingjie, Chaoyang, Beijing, China

    Gongtian Shen

  2. China Special Equipment Inspection and Research Institute, Hepingjie, Chaoyang, Beijing, China

    Junjiao Zhang

  3. China Special Equipment Inspection and Research Institute, Hepingjie, Chaoyang, Beijing, China

    Zhanwen Wu

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© 2021 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Cite this paper

Zhao, Z., Zhao, R., Ye, X., Wang, J., He, T., Pan, Q. (2021). An Improved Beam Method for Acoustic Emission Source Localization in Thin Plates. In: Shen, G., Zhang, J., Wu, Z. (eds) Advances in Acoustic Emission Technology. Springer Proceedings in Physics, vol 259. Springer, Singapore. https://doi.org/10.1007/978-981-15-9837-1_5

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  • DOI: https://doi.org/10.1007/978-981-15-9837-1_5

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-15-9836-4

  • Online ISBN: 978-981-15-9837-1

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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