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Related Experiment Video

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Development of an Automatic Identification System Autonomous Positioning System.

Qing Hu1, Yi Jiang2,3, Jingbo Zhang4

  • 1Information Science and Technology College, Dalian Maritime University, Dalian 116026, China. hq0518@dlmu.edu.cn.

Sensors (Basel, Switzerland)
|November 17, 2015
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Summary
This summary is machine-generated.

This study introduces an Autonomous Positioning System using Automatic Identification System (AIS) to enhance marine navigation safety. The system offers reliable positioning, complementing Global Navigation Satellite Systems (GNSS) for coastal vessels.

Keywords:
additional secondary factor (ASF)automatic identification system (AIS)positioning systemranging-mode

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Area of Science:

  • Marine Navigation Technology
  • Autonomous Positioning Systems
  • Satellite Navigation Alternatives

Background:

  • Global Navigation Satellite System (GNSS) vulnerability poses risks to marine navigation.
  • Need for robust Position, Navigation, and Time (PNT) information in maritime operations.
  • Limitations of existing systems in providing continuous and reliable navigation data.

Purpose of the Study:

  • To present and investigate an autonomous positioning system based on ranging-mode Automatic Identification System (AIS).
  • To address the vulnerability of GNSS in marine environments.
  • To provide a complementary and economical solution for enhanced navigation safety.

Main Methods:

  • Investigated the principles of the AIS Autonomous Positioning System (AAPS), including its position algorithm.
  • Developed and applied signal measurement techniques, geometric dilution of precision (GDOP) analysis, and time synchronization.
  • Incorporated additional secondary factor correction techniques for improved accuracy.

Main Results:

  • Established a verification system in the Xinghai sea region of Dalian, China.
  • Conducted static and dynamic positioning experiments demonstrating system feasibility.
  • Achieved positioning precision better than 10 meters in areas with good GDOP, with original AIS functions unaffected.

Conclusions:

  • The AIS Autonomous Positioning System (AAPS) effectively provides robust PNT information for marine navigation.
  • The system serves as an economical land-based solution to complement GNSS, enhancing navigation safety for coastal vessels.
  • The proposed AAPS maintains the original functionality of AIS while adding autonomous positioning capabilities.