Dual-Screen UAV Ground Station for Low-Latency FPV Control
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Solution Overview
Problem
Conventional UAV ground stations experience high latency due to video image signal processing and transmission issues, leading to poor user experience and increased risk during flight control, especially when generic electronic devices are not optimized for FPV use and are prone to dislodgement.
Innovation Solution
A ground station with a system on chip (SOC) circuit that directly controls two screens, one in portrait and one in landscape orientation, receives and processes high-definition image signals via a non-wireless connection, reducing latency and enhancing ergonomic design with integrated antennas and customizable display options.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a generic electronic device is used as a FPV screen for the ground station, then the device can be easily obtained and configured, but the video signal processing latency increases and the user experience deteriorates
Solution Approach 1:
The patent merges the video processing functions directly into the ground station's main processor, eliminating the need for separate generic electronic devices. The ground station processor handles video decoding and rendering natively, combining control and display functions in one integrated system, thereby reducing latency while maintaining ease of manufacture.
Solution Approach 2:
The patent introduces a dedicated video processing pipeline as an intermediary between the wireless receiver and the display screen. This intermediary layer optimizes video signal handling with specialized hardware acceleration, reducing processing latency without requiring complex external devices.
2Ease of operation
If a generic electronic device is mounted on a bracket for the ground station, then the setup is simple, but the device may become dislodged during operation
Solution Approach 1:
The patent combines the display screen into the ground station housing itself, eliminating the bracket mounting arrangement. The screen becomes an integral part of the ground station structure, ensuring it cannot become dislodged while maintaining simple setup procedures.
Solution Approach 2:
The patent implements localized structural features within the ground station housing to securely position the screen at optimal viewing angles. The housing design incorporates specific mounting structures and ergonomic positioning that prevent dislodgement while maintaining ease of setup.
3Adaptability or versatility
If video signals are transmitted wirelessly from the ground station to the generic electronic device, then the connection is flexible, but the signal latency increases
Solution Approach 1:
The patent extracts the wireless transmission step from the video signal path by implementing native display capabilities within the ground station. Video signals are processed and displayed locally without wireless transmission, eliminating this source of latency while the ground station maintains wireless communication capabilities for control signals.
Solution Approach 2:
The patent replaces the wireless electromagnetic transmission system with a direct internal signal routing system for video display. By substituting the wireless transmission mechanism with internal wired connections and local processing, the system eliminates transmission latency while maintaining flexibility through software-configurable display options.
Data Source
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AI summary
A ground station (10) for a UAV comprising a housing (20) for accommodating a system on chip (SOC) circuit (130) including a control processor (110) for executing software to wirelessly control functions of the UAV, a first screen (40), and a second screen (50), wherein one or both screens are controlled directly by the SOC control processor (110)．The housing (20) may comprising clam shell housing comprising a first housing member (20A) for accommodating the control processor (110) and a second housing member (20B) movable relative to the first housing member (20A) between a first closed position overlaying said first housing member (20A) and a second open position. The arrangement is such that the first housing member (20A) has mounted thereon the first screen (40) and the second housing member (20B) has mounted thereon the second screen (50) such that both screens are viewable by a user when the second housing member (20B) is in its open position．