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GPS-Free Wireless Precise Positioning System for Automatic Flying and Landing Application of Shipborne Unmanned
Tsu-Yu Lo1, Je-Yao Chang1, Tan-Zhi Wei1
1Graduate Institute of Commutation Engineering, National Taiwan University, Taipei 106, Taiwan.
Sensors (Basel, Switzerland)
|January 23, 2024
Summary
This study presents an automatic landing system for unmanned aerial vehicles (UAVs) on moving ships, utilizing ultra-wideband (UWB) wireless positioning. The system enables GPS-denied autonomous landings, crucial for challenging maritime environments.
Area of Science:
- Robotics and Autonomous Systems
- Navigation and Control Systems
- Wireless Communication Technologies
Background:
- Global Positioning System (GPS) limitations in challenging environments, such as wartime, necessitate alternative navigation solutions.
- Shipborne unmanned aerial vehicles (UAVs) require robust autonomous landing capabilities on dynamic platforms.
- Existing systems often rely on GPS, limiting their applicability in GPS-denied scenarios.
Purpose of the Study:
- To develop and validate a GPS-independent automatic landing system for UAVs on shipborne platforms.
- To establish a precise, real-time dynamic wireless positioning system for autonomous UAV operations.
- To enhance the reliability and performance of UAV landings in complex maritime conditions.
Main Methods:
- Implementation of an ultra-wideband (UWB) circuit module with specialized antenna and RF front-end for enhanced signal reception and positioning.
- Development of a UWB-based wireless positioning algorithm to guide autonomous landing.
- Integration and testing of UWB modules on a shipborne platform and a UAV in an outdoor open water environment, considering platform wave vibrations.
Main Results:
- Successful demonstration of UAV autonomous flight from 200m and precise landing on a moving shipborne platform without GPS.
- Validation of the UWB positioning system's functionality, precision, and adaptability in realistic maritime conditions.
- Enhanced wireless signal reception and positioning accuracy achieved through optimized UWB module design.
Conclusions:
- The developed UWB-based wireless precise positioning system effectively enables GPS-independent automatic landing for shipborne UAVs.
- The system offers a viable solution for UAV operations in GPS-denied environments, enhancing maritime autonomy.
- The research validates the practical application and adaptability of the proposed system for shipborne UAVs.
Keywords:
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