研究目的
Designing the monitoring and communication system for a deep-sea unmanned submersible to facilitate safe and efficient operation.
研究成果
The designed monitoring and communication system using LABVIEW is effective for real-time monitoring and remote intervention of the deep-sea unmanned submersible, enhancing safety and operational efficiency. Future work may involve field testing and optimization for various marine conditions.
研究不足
The paper does not explicitly mention specific limitations, but potential constraints could include the reliance on specific communication technologies (e.g., WIFI range limitations, underwater acoustic signal attenuation), and the need for further testing in real deep-sea environments to validate system performance.
1：Experimental Design and Method Selection:
The system is designed using LABVIEW for graphical programming to create a human-machine interface with high visibility and fidelity. It integrates hardware and software components for monitoring and communication.
2：Sample Selection and Data Sources:
The system is applied to a specific deep-sea unmanned submersible, with data sourced from sensors such as INS, GPS, DVL, USBL, altimeter, and depth gauge.
3：List of Experimental Equipment and Materials:
Includes monitoring computer, navigation and motion control computer, network switch, actuators, sensors (e.g., INS, GPS, DVL, USBL), WIFI communication equipment, iridium communication equipment, underwater acoustic communication equipment, and GPS equipment.
4：Experimental Procedures and Operational Workflow:
The surface monitoring computer initializes parameters, displays state information, and sends remote commands. Communication is established via WIFI, iridium, and underwater acoustic modules based on the submersible's mode. Data is transmitted using a defined protocol with frame header, data, and terminator.
5：Data Analysis Methods:
Data is encoded and decoded using union structures for float data, and displayed visually on the interface for real-time monitoring and intervention.
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LABVIEW
National Instruments
Used as the development platform for designing the monitoring and communication system, providing graphical programming for human-machine interface.
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WIFI Communication Equipment
Provides short-range wireless communication for data transmission between the surface ship and submersible when on deck.
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Iridium Communication Equipment
Iridium
Enables global communication and GPS integration for data transmission and location tracking when the submersible is on the water surface.
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Underwater Acoustic Communication Equipment
Facilitates communication and positioning using sound signals when the submersible is underwater, integrated with USBL for accuracy.
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GPS Equipment
Provides location data for the submersible and surface ship, used in conjunction with iridium communication.
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USBL Positioning Module
Used for underwater positioning and communication, calculating azimuth and distance of the submersible.
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INS
Inertial Navigation System for tracking position and orientation of the submersible.
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DVL
Doppler Velocity Log for measuring velocity relative to the seabed.
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Altimeter
Measures height above the seabed.
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Depth Gauge
Measures depth underwater.
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