UAV Terminal Staging Layout for Congestion-Free Package Loading
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Solution Overview
Problem
Managing the efficient and safe navigation and control of multiple unmanned aerial vehicles (UAVs) in close proximity, particularly in terminal areas with minimal infrastructure, is challenging due to air traffic congestion and the need to minimize flight times and battery charges.
Innovation Solution
Implementing a system that dynamically allocates flight altitude slices and uses a pick-up-over-pad strategy for loading and charging UAVs, allowing them to autonomously navigate and manage landing, launching, and loading behaviors, with features like computer vision for pad selection and proximity sensing for synchronized operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple UAVs operate in close proximity in terminal areas, then delivery productivity increases, but air traffic congestion and collision risk increase
Solution Approach 1:
The patent introduces a vertical dimension to resolve terminal area congestion by allocating specific flight altitude slices to different UAV groups. Instead of managing all UAVs in a single horizontal plane, the system divides the terminal airspace into multiple altitude layers, allowing simultaneous operations at different heights. This dimensional expansion increases productivity while maintaining safety through vertical separation.
Solution Approach 2:
The terminal area is segmented into multiple operational zones with distinct functions (landing zones, launching zones, charging zones, loading zones). Each zone is further divided into altitude slices, creating a grid-like structure that organizes UAV traffic. This segmentation allows independent management of different UAV groups, reducing collision risk while enabling high-density operations.
2Manufacturing precision
If UAVs wait for loading at terminal areas, then package delivery accuracy improves, but flight time increases and battery consumes more energy
Solution Approach 1:
UAVs perform preliminary actions by positioning themselves at designated waiting zones within the terminal area before actual loading occurs. The system pre-allocates landing zones and assigns UAVs to specific altitude slices in advance. This preliminary organization allows loading operations to begin immediately upon UAV arrival, eliminating idle waiting time while ensuring accurate package delivery through pre-coordinated positioning.
Solution Approach 2:
UAVs autonomously navigate to their assigned zones and perform self-positioning without requiring continuous ground control intervention. The onboard systems automatically manage altitude slice allocation and zone selection, reducing the time ground controllers need to coordinate each movement. This self-service capability minimizes delays while maintaining precise delivery accuracy through automated navigation to predetermined locations.
3Ease of manufacture
If traditional ground-based loading methods are used, then infrastructure requirements are met, but operational efficiency decreases
Solution Approach 1:
The patent replaces traditional ground-based mechanical loading systems with aerial loading operations. Instead of bringing packages up to UAVs on the ground, the system enables UAVs to hover at elevated positions and receive packages dropped or transferred from above. This substitution eliminates the need for complex ground handling equipment while significantly improving operational efficiency through direct aerial-to-aerial transfers.
Solution Approach 2:
The loading operation transitions from a two-dimensional ground plane to a three-dimensional aerial space. Packages are loaded from above while UAVs hover at designated altitude slices, creating a vertical loading workflow. This dimensional change eliminates constraints of ground-based systems and enables parallel loading of multiple UAVs simultaneously at different heights, dramatically increasing productivity without requiring extensive ground infrastructure.
Data Source
AI summary
A technique for operating unmanned aerial vehicles (UAVs) in a terminal area from which the UAVs are staged includes charging a plurality of the UAVs on charging pads disposed in a staging array at the terminal area. Merchant facilities for preparing packages for delivery by the UAVs are disposed about a periphery of the staging array. The UAVs are relocated under their own propulsion from interior charging pads to peripheral loading pads of the staging array as the peripheral loading pads become available and the UAVs are deemed sufficiently charged and ready for delivery missions.