YANG Wan'an, HU Chao, Max Q.H. Meng, DAI Houde, CHEN Dongmei. A New 6D Magnetic Localization Technique forWireless Capsule Endoscope Based on aRectangle Magnet[J]. Chinese Journal of Electronics, 2010, 19(2): 360-364.
Citation: YANG Wan'an, HU Chao, Max Q.H. Meng, DAI Houde, CHEN Dongmei. A New 6D Magnetic Localization Technique forWireless Capsule Endoscope Based on aRectangle Magnet[J]. Chinese Journal of Electronics, 2010, 19(2): 360-364.

A New 6D Magnetic Localization Technique forWireless Capsule Endoscope Based on aRectangle Magnet

  • Received Date: 2008-07-20
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-04-05
  • To build a wireless active endoscope with
    external guidance for controllable and interactive GI track
    diagnosis, a real time system for 3D localization and 3D
    orientation is necessary. An approach is to enclose a small
    rectangle permanent magnet in the capsule. The magnetic
    ¯eld, produced by the rectangle magnet around the body,
    can be detected by magnetic sensors outside the patient's
    body. With these sensor data, the 3D localization and 3D
    orientation parameters can be computed by the nonlinear
    optimization algorithm based on the mathematic model of
    the rectangular magnet's magnetic ¯eld. Simulation exper-
    iments show that the proposed algorithm works e®ectively,
    and has good accuracy and time e±ciency when the initial
    guess of the parameters are within some predetermined
    ranges.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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