UAV Package Loading Center of Gravity Matching

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Solution Overview

Problem

The proliferation of Unmanned Aerial Vehicles (UAVs) for package delivery poses challenges in air traffic control, including imbalance and weight distribution issues that affect flight stability and navigation, and the need for efficient communication and management systems to handle a large number of UAVs concurrently.

Innovation Solution

A method for determining and matching the Center of Gravity (COG) of packages with the COG of UAVs, using weight distribution analysis and securing items to ensure stable flight, combined with a wireless network-based air traffic control system for managing UAV operations, including collision avoidance, obstruction detection, and efficient routing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If UAVs carry packages without center of gravity matching, then delivery capacity is improved, but flight stability deteriorates

Engineering Contradiction:
Improvedelivery capacityVSAvoidflight stability
Core Design Contradiction:
Quantity of substanceVSStability of the object's composition

Solution Approach 1:

The system performs preliminary center of gravity calculation and package positioning before takeoff. The loading system determines the COG of each package and its container, then positions packages within containers to achieve the desired combined COG that matches the UAV's COG, preventing flight instability before it occurs

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The loading system automatically calculates COG values and determines optimal package positions without manual intervention. The system uses sensors to detect package weights and positions, then autonomously adjusts the loading configuration to achieve COG matching, enabling the system to self-correct for stable flight

Inventive Principle:
Principle #25Self-service

2Productivity

If multiple UAVs operate concurrently, then delivery efficiency is improved, but air traffic control complexity increases

Engineering Contradiction:
Improvedelivery efficiencyVSAvoidair traffic control complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent replaces manual air traffic control with an automated wireless network-based control system. The system uses wireless communication to track UAV positions, monitor flight status, and coordinate traffic flow automatically, substituting mechanical human operation with electronic automation to manage multiple UAVs efficiently

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The air traffic control system continuously receives feedback from UAVs via wireless networks about their position, status, and environment. This feedback enables real-time monitoring and dynamic adjustment of flight paths and traffic management decisions, allowing safe concurrent operation of multiple UAVs

Inventive Principle:
Principle #23Feedback

3Quantity of substance

If packages are loaded to maximize payload, then delivery capacity is improved, but UAV balance deteriorates

Engineering Contradiction:
Improvepayload capacityVSAvoidUAV balance
Core Design Contradiction:
Quantity of substanceVSStability of the object's composition

Solution Approach 1:

The system applies different positioning strategies to different packages based on their individual COG characteristics and weights. Rather than uniform loading, each package is positioned at a specific location within its container to contribute to the overall COG matching, optimizing both payload capacity and balance through localized quality adjustments

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS11604112B2Center of gravity based drone loading for packages
Publication Date: 2023.03.14 METAL RAPTOR INC
  • US11604112B2 patent drawing
  • US11604112B2 patent drawing
  • US11604112B2 patent drawing

AI summary

A method for loading an Unmanned Aerial Vehicle with one or more items is disclosed. The method includes determining a Center of Gravity of each of the one or more items. The method also includes matching a combined Center of Gravity of the one or more items with a Center of Gravity of the Unmanned Aerial Vehicle.