UAV Maintenance Station With Mechanical Battery Positioning
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Solution Overview
Problem
Existing unmanned aerial vehicle (UAV) maintenance stations face inefficiencies due to long charging times, high costs, and inaccuracies in battery changing processes, while agricultural UAVs lack automated pesticide application and crop analysis, leading to human error and safety risks.
Innovation Solution
A maintenance station with a compact design featuring a robotic arm, adjustable platform, and precise positioning mechanisms, along with automated pesticide application and crop analysis, reduces human intervention and enhances operational accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If robotic arms are used to change batteries, then automation is improved, but positioning accuracy deteriorates
Solution Approach 1:
The patent introduces an intermediary positioning mechanism with adjustable arms that physically guide and center the UAV before battery replacement. This mediator system bridges the gap between automated robotic operation and precise positioning requirements, allowing the robotic arm to operate with reduced precision demands while maintaining accurate battery alignment through the mechanical guidance structure.
Solution Approach 2:
The system performs preliminary positioning actions by adjusting the mechanical arms to center and secure the UAV on the platform before the actual battery replacement occurs. This preliminary adjustment phase ensures the UAV is in the correct position and orientation, eliminating the need for high-precision robotic arm positioning during the critical battery swapping operation.
2Measurement precision
If cameras are used for positioning, then positioning accuracy is improved, but system cost increases
Solution Approach 1:
The patent replaces the optical/camera-based positioning system with a mechanical positioning system using adjustable arms and physical guides. This substitution eliminates the need for expensive cameras and complex image processing while achieving reliable positioning through purely mechanical means, thereby reducing system cost and complexity.
Solution Approach 2:
The mechanical positioning components (adjustable arms, guides, clamps) are simple, inexpensive elements that can be easily manufactured and replaced if needed. These low-cost mechanical components substitute for expensive, fragile camera systems, providing a more economical solution that maintains functionality without requiring sophisticated sensors or processing equipment.
3Ease of operation
If manual pesticide dosing is performed, then operational flexibility is improved, but human error increases
Solution Approach 1:
The system enables self-service automated pesticide dosing where the UAV autonomously receives precise pesticide quantities from the maintenance station without human intervention. The automated dispensing mechanism delivers exact doses based on pre-programmed parameters, eliminating human error in measurement and application while maintaining operational flexibility through programmable settings.
Solution Approach 2:
The system incorporates feedback mechanisms that monitor and track pesticide application quantities and locations. This feedback loop ensures accurate dosing by verifying that the correct amounts are dispensed and recorded, preventing both under-dosing and over-dosing while maintaining flexibility through adjustable parameters that can be optimized based on crop requirements.
Data Source
AI summary
A maintenance station for an unmanned aerial vehicle includes a housing having at least one opening for the entry and exit of the unmanned aerial vehicle, at least one platform movable through the opening from the outside to the inside of the housing, at least one robotic arm positioned inside the housing and including a maintenance arm having a holder and/or a filling tube for changing the battery for maintenance of the unmanned aerial vehicle, and at least three adjustment elements that can move toward a common point on the platform to adjust the position of the unmanned aerial vehicle.