UAV Omnidirectional LED Matrix for Light Shows
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Solution Overview
Problem
Unmanned aerial vehicles (UAVs) lack the capability to provide controlled, omnidirectional light shows and geolocation indications with sufficient brightness and directionality for long-range and long-term flight missions, especially in varying weather conditions, due to limitations in power consumption and existing light source configurations.
Innovation Solution
A system comprising an LED matrix on the UAV's outer surface, controlled by a Ground Control Station (GCS) to synchronize flight and light programs, allowing for real-time adjustment of LED parameters such as direction, intensity, and switching mode based on geolocation and weather conditions, ensuring optimal light display in multiple directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional LED light sources are used on UAVs for visibility indication, then the UAV can provide indication in poor lighting conditions, but the light flux direction and brightness cannot be controlled effectively for omnidirectional light shows
Solution Approach 1:
The UAV body is segmented with multiple LED modules distributed across different surfaces (top, bottom, sides). Each LED module can be independently controlled to emit light in specific directions, enabling omnidirectional light shows while maintaining brightness control for each direction separately.
Solution Approach 2:
The patent transitions from traditional single-direction or limited-direction lighting to three-dimensional omnidirectional lighting by placing LEDs on all surfaces of the UAV body. This spatial dimensionality change allows light emission in all directions simultaneously, achieving true omnidirectional visibility and light show capability.
2Illumination intensity
If multiple LED modules are added to achieve omnidirectional lighting, then brightness and direction control is improved, but power consumption increases
Solution Approach 1:
The system dynamically controls LED modules based on real-time flight data, observer position, and weather conditions. The controller adjusts which LED modules are active and at what intensity, optimizing power consumption by activating only the necessary LEDs in the required directions rather than running all LEDs at full power continuously.
Solution Approach 2:
The patent changes LED operating parameters (intensity, duty cycle, activation state) based on environmental conditions and mission requirements. By adjusting these parameters dynamically, the system maintains sufficient brightness for visibility and light shows while minimizing power consumption during long-term flight operations.
3Adaptability or versatility
If LED parameters are controlled in real-time based on observer position and weather, then light show effectiveness is improved, but system complexity increases
Solution Approach 1:
The controller is designed as a multi-functional universal unit that handles multiple tasks: receiving flight data from GCS, calculating observer position, processing weather condition inputs, determining optimal LED activation patterns, and controlling all LED modules. This universal controller consolidates what could be multiple separate systems into one integrated unit, managing complexity while maintaining adaptability.
Solution Approach 2:
The system implements feedback loops where the controller continuously receives information about observer position, flight status, and weather conditions, then adjusts LED module operation accordingly. This feedback mechanism enables real-time adaptation to varying conditions while using standardized control protocols that manage system complexity through established communication and control patterns.
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
Enables the UAVs to provide a visible and dynamic light show or geolocation indication to observers at various heights and locations, ensuring effective contrast perception over long distances and in diverse weather conditions, while minimizing power consumption.
Implementation Method 1
The invention pertains to a system and method for displaying an omnidirectional light show using unmanned aerial vehicles... UAVs are typically provided with light sources such as light-emitting diodes (LEDs)... LED matrix comprising a plurality of LEDs distributed on the outer surface area of a body of the UAV
Data Source
AI summary
A system for displaying an omnidirectional light show for an unmanned aerial vehicle (UAV) is disclosed herein. The system comprises an LED matrix comprising a plurality of LEDs distributed on the outer surface area of a body of the UAV. A Ground Control Station (GCS) is communicatively coupled to the UAV and is configured to transmit at least one flight program and at least one light program, wherein the at least one flight program and the at least one light program are synchronized in time and events. A LED light control unit is configured on the UAV and is communicatively coupled to the GCS for receiving instructions from the GCS to control a plurality of LED parameters in accordance with the at least one flight program and the at least one light program.