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    A new development in magnetic particle tracking technology and its application in a sheared dense granular flow

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    Tao_2019.pdf (4.882Mb)
    Issue Date
    2019-06-26
    Author
    Tao, Xingtian
    Tu, Xuemin
    Wu, Huixuan
    Publisher
    American Institute of Physics
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    © 2019 Author(s).
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    Abstract
    This paper presents a new development in the magnetic particle tracking (MPT) technology that measures the translational and rotational motions of a small particle. A main advantage of MPT is that it is able to track objects in an opaque environment without using radioactive material or X-rays. In addition, it can provide information about the orientation and rotation of the object, which is difficult to obtain using other technologies. However, the reconstruction process of MPT using standard optimization approaches is very time consuming and, therefore, limits its applications. In this work, two new MPT reconstruction algorithms are examined and the results are compared with the optimization approach. The extended Kalman filter (EKF) algorithm has the same accuracy as the optimization method but is orders of magnitude faster. The speed of the sequential importance sampling approach is between those of the above two methods. The accuracy of position obtained using EKF is about 0.6%, and the uncertainty of orientation is less than 1.5°. The MPT is applied to measure a dense granular shear flow to investigate the spatial distribution of a tracer particle.
    Description
    This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Rev. Sci. Instrum. 90, 065116 (2019) and may be found at https://aip.scitation.org/doi/abs/10.1063/1.5100739.
    URI
    http://hdl.handle.net/1808/31468
    DOI
    https://doi.org/10.1063/1.5100739
    Collections
    • Aerospace Engineering Scholarly Works [49]
    Citation
    Rev. Sci. Instrum. 90, 065116 (2019); https://doi.org/10.1063/1.5100739

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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