研究目的
To present a closed loop controlled optical tracking module for free-space optical communication, focusing on the dynamic and stable physical FSO link alignment between different mobile autonomous robots.
研究成果
The paper successfully demonstrates a closed loop controlled optical tracking module for free-space optical communication. The system can dynamically align the LOS laser communication beam with the targeted terminal, maintaining the link between mobile terminals.
研究不足
The system's performance is limited by the angular accuracy of the servomotors and the field of view of the optical tracking module. The experimental setup simplifies the scenario by replacing a mobile OTM with a laser source.
1：Experimental Design and Method Selection:
The design includes a pan-tilt mechanical platform driven by servomotors and optical elements like beam splitters and quadrant photodiodes for tracking.
2：Sample Selection and Data Sources:
A laser emission module is used to simulate the movement of a mobile robot in free-space.
3：List of Experimental Equipment and Materials:
Includes servomotors, beam splitters, quadrant photodiodes, and a laser emission module.
4：Experimental Procedures and Operational Workflow:
The laser is moved in free-space, and the tracking module's ability to follow the laser is observed.
5：Data Analysis Methods:
The output voltages of the quadrant photodiodes are monitored to assess the tracking performance.
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