Pivotable Flat Panel Antenna for UAV Communication Range
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Solution Overview
Problem
Current UAV communication systems face limitations in range and coverage, often requiring larger antennae or signal boosters, which result in bulky, heavy, and costly hand-held controllers, negatively impacting flight time and energy consumption.
Innovation Solution
A pivotable flat panel antenna system that utilizes gravity or active actuators to adjust the antenna's pitch, combined with a housing that provides mechanical stops and air resistance to enhance communication range without increasing antenna size or adding boosters, ensuring consistent communication across various flight angles and orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If larger antennae are used to increase communication range, then communication distance is improved, but device weight and size increase
Solution Approach 1:
The patent applies the dynamics principle by making the antenna pivotable rather than fixed. The antenna can rotate and tilt to track the UAV's orientation and maintain optimal communication alignment dynamically. This dynamic adjustment allows a smaller antenna to achieve the same effective communication range as a larger fixed antenna would provide, resolving the contradiction between communication range and antenna weight.
Solution Approach 2:
The patent changes the operational parameters of the antenna system by introducing active control mechanisms that adjust the antenna's pitch and yaw angles. By changing these orientation parameters in real-time based on UAV flight attitude, the system achieves improved communication range without requiring an increase in antenna physical size or weight.
2Reliability
If signal boosters are added to increase communication range, then communication distance is improved, but device complexity and cost increase
Solution Approach 1:
Instead of adding signal boosters that would increase device complexity, the patent employs dynamic antenna orientation control. By actively adjusting the antenna's pointing direction to track the ground controller, the system maintains optimal signal alignment without requiring additional amplification hardware, thus improving communication range while avoiding increased complexity.
Solution Approach 2:
The patent substitutes the mechanical approach of adding signal boosters with a kinematic solution involving pivotable antenna mechanics. Rather than increasing signal power through electronic amplification, the system uses mechanical rotation and tilting mechanisms to optimize antenna orientation, achieving the same goal with different technical means that avoid the complexity of booster systems.
3Device complexity
If fixed antennae are used, then device simplicity is maintained, but communication effectiveness during tilted flights deteriorates
Solution Approach 1:
The patent resolves this contradiction by transitioning from a static fixed antenna to a dynamic pivotable antenna system. The antenna can actively adjust its orientation to compensate for UAV tilting and rolling, maintaining stable communication alignment throughout flight maneuvers. This dynamic capability ensures communication reliability without significantly increasing overall system complexity.
Solution Approach 2:
The antenna system incorporates self-adjusting capabilities through gravity-based pivot mechanisms and control algorithms that automatically track the ground controller's position. The system serves itself by autonomously adjusting antenna orientation based on flight attitude sensors, maintaining communication stability without requiring complex external control systems or manual intervention.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Substantially increases communication distance and coverage for UAVs without the need for larger antennae or boosters, providing a cost-effective and lightweight solution that maintains effective communication during tilted flights and varying orientations.
Implementation Method 1
the flat panel antenna is freely pivotable, freely coupled to the hinge, and is actuated by a force of gravity
Implementation Method 2
there can be a gap that is sufficiently spaced between the flat panel antenna and the housing to create an air resistance to dampen a free pivoting movement of the flat panel antenna
Data Source
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AI summary
An unmanned aerial vehicle (UAV) and a system of communication between an unmanned aerial vehicle with a ground controller, the UAV having a top side, a bottom side, and an antenna side. The antenna side of the UAV can have a hinge to which a flat panel antenna can be disposed is pivotably coupled. The flat panel antenna can be actively controlled or passively controlled by gravity.