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Long-range and high-precision localization method for underwater bionic positioning system based on joint

Meijiang Hou1, Hailong Wu1, Jiegang Peng2

  • 1School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China.

Scientific Reports
|December 5, 2023
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Summary
This summary is machine-generated.

This study introduces a novel joint active-passive electrolocation algorithm for precise underwater object detection. The combined approach enhances both accuracy and detection range, inspired by fish electroreception.

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Area of Science:

  • Marine Biology
  • Robotics
  • Signal Processing

Background:

  • Weakly electric fish utilize active and passive electrolocation for object detection.
  • Active electrolocation offers high precision for object size and shape recognition.
  • Passive electrolocation enables detection of objects at greater distances.

Purpose of the Study:

  • To develop a joint active-passive electrolocation algorithm for long-range, high-precision underwater localization.
  • To investigate underwater object responses to active and passive electric fields.

Main Methods:

  • Designed a large experimental platform for underwater localization.
  • Developed separate active and passive electrolocation algorithms.
  • Combined individual algorithms into a joint active-passive system.

Main Results:

  • The proposed joint algorithm demonstrated high localization accuracy.
  • The algorithm achieved a long detection distance for underwater objects.
  • Experimental validation confirmed the effectiveness of the combined approach.

Conclusions:

  • The joint active-passive electrolocation algorithm offers significant improvements for underwater detection.
  • Potential applications include submarine resource exploration, underwater robotics, and maritime security.
  • This research provides a foundation for future advancements in long-range underwater object detection and identification.