UAV Traffic Control System for Agricultural Zones
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Solution Overview
Problem
Current traffic control systems for agricultural UAV operations require manual observers to manage traffic around work zones, which is inefficient and labor-intensive, especially for larger areas.
Innovation Solution
A traffic control system comprising an unmanned aerial vehicle (UAV), traffic signal control stations, and ground control stations that use position and direction data to automatically control traffic signals via wireless communication, ensuring safe UAV operation by managing perimeter road access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual observers are deployed at perimeter roads to stop traffic, then traffic safety around the work zone is improved, but labor requirements and operational complexity increase
Solution Approach 1:
The traffic control system operates autonomously by detecting UAV position and direction data, then automatically controlling traffic signals without requiring manual observers. The system serves itself by using its own detected data to make control decisions, eliminating the need for human deployment at perimeter roads while maintaining traffic safety
Solution Approach 2:
The patent replaces the mechanical system of manual observers physically present at perimeter roads with an automated electronic system that uses position sensors, wireless communication devices, and electronic controllers to detect UAV location and control traffic signals remotely, substituting human labor with automated technological systems
2Reliability
If more observers are deployed for larger work zones, then traffic safety is improved, but labor requirements and costs increase
Solution Approach 1:
The automated traffic control system performs multiple functions with a single deployment: it monitors entire perimeter roads, detects UAV position and direction, determines when to close roads, and controls traffic signals. This multi-functional system replaces multiple manual observers that would otherwise be needed across larger work zones, reducing labor requirements while maintaining or improving traffic safety
Solution Approach 2:
The patent introduces wireless communication devices and electronic controllers as intermediaries between the UAV detection system and the traffic signals. These intermediaries enable automated control without requiring direct human presence, allowing a single system to manage traffic safety across expanding work zones without proportionally increasing labor requirements
Data Source
AI summary
A traffic control system includes at least one traffic signal, an aircraft and a ground control station. The aircraft includes a position sensor and a wireless communication device. The ground control station includes an electronic controller and a wireless communication device. The electronic controller is configured to control the at least one traffic signal based on at least one of position data of the aircraft and direction data of the aircraft.