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Wireless capsule endoscope (WCE) can be used for the diagnosis and treatment of gastrointestinal diseases. Compared with MRI and CT, the magnetic inversion method is safer, more cost-effective, and efficient. The scalar triangulation and ranging (STAR) method can locate the WCE in real-time, but there is an inaccurate-positioning area in the STAR method. This paper proposes an avoidance method for the inaccurate-positioning area (AMI) by adjusting the vector angle through current vector control. When using the AMI to locate the WCE, the positioning accuracy is 0.0008 m, which induces the positioning accuracy of the STAR method by 96.7%.

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Avoidance Method for Inaccurate-Positioning Area Based on Current Vector Control

  • 会议论文

  • 发表日期：

    2025年

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  • Shengxin Lin,
  • Zehao Song,
  • Yinxi Jin,
  • Junzhong Li,
  • Donghua Pan,
  • Liyi Li

摘要

Wireless capsule endoscope (WCE) can be used for the diagnosis and treatment of gastrointestinal diseases. Compared with MRI and CT, the magnetic inversion method is safer, more cost-effective, and efficient. The scalar triangulation and ranging (STAR) method can locate the WCE in real-time, but there is an inaccurate-positioning area in the STAR method. This paper proposes an avoidance method for the inaccurate-positioning area (AMI) by adjusting the vector angle through current vector control. When using the AMI to locate the WCE, the positioning accuracy is 0.0008 m, which induces the positioning accuracy of the STAR method by 96.7%.