研究目的
To develop a robot indoor navigation system using visible light communication (VLC) technique for accurate indoor positioning and navigation.
研究成果
The developed robot indoor navigation system using VLC technology is suitable for various indoor positioning applications, offering accurate positioning without additional indoor locators. The system's shortest distance or priority path route algorithm, based on Dijkstra’s algorithm, has been successfully implemented on a smartphone, demonstrating potential for future applications in factories, hospitals, and hotels.
研究不足
The system's effectiveness is limited by the distance between VLC LED Lamps and the robot's VLC Rx receiver, approximately 300 cm. General VLC transmission is relatively short distances.
1：Experimental Design and Method Selection:
The system uses VLC LED Lamps to transmit control signals for robot navigation. The route planning system calculates the path based on user's location and destination, considering shortest distance or priority path.
2：Sample Selection and Data Sources:
The system includes several VLC LED Lamps, a VLC robot, a smartphone with a Robot control App, and a server.
3：List of Experimental Equipment and Materials:
VLC LED Lamp (Raising Technology), VLC communication board (VLC-110GP), BeInMotion Robot (Arrow Electronics), Altera Cyclone V FPGA, Si PIN photodiode (S6801, Hamamatsu).
4：Experimental Procedures and Operational Workflow:
The robot receives motion control commands from VLC LED Lamps, decodes them, and moves accordingly. The server transmits instructions to the robot via VLC LED Lamps based on the path calculated by the App.
5：Data Analysis Methods:
The system uses Dijkstra’s algorithm for route planning, implemented in an Android App for real-time navigation control.
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