UAV Battery Swapping for Continuous Package Delivery
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Solution Overview
Problem
Conventional package delivery methods using land-based vehicles are inefficient for delivering pharmaceuticals, as they require significant downtime for UAV battery recharging, limiting continuous operation and increasing delivery times.
Innovation Solution
A package delivery system utilizing UAVs with a charging station and loader that allows for rapid battery swapping, enabling continuous operation without extensive recharging, and includes a transporter and loader to efficiently move packages and batteries within the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If land-based vehicles are used for package delivery, then delivery infrastructure is simple, but delivery efficiency is low and downtime is significant
Solution Approach 1:
The patent segments the UAV system into modular components including interchangeable batteries, separate charging stations, and automated loaders. This segmentation allows batteries to be independently replaced rather than waiting for recharging, significantly reducing downtime and improving delivery efficiency
Solution Approach 2:
The charging station pre-charges multiple batteries before they are needed. When a UAV's battery is depleted, a fully charged battery is already ready for immediate swapping, eliminating the recharging waiting time and maintaining continuous operation
2Duration of action of moving object
If UAVs operate continuously without battery swapping, then system complexity is low, but operational duration is limited by battery charge
Solution Approach 1:
The charging station acts as an intermediary that manages battery charging and storage. It maintains a queue of charged batteries ready for swapping, enabling UAVs to operate continuously without direct human intervention for battery management, thus extending operational duration with manageable complexity
Solution Approach 2:
The automated loader enables self-service battery swapping for UAVs. When a UAV returns to the landing pad, the loader automatically detects the depleted battery, removes it, and replaces it with a charged battery from the charging station, allowing continuous operation without manual intervention
3Loss of time
If manual battery recharging is used, then equipment cost is low, but delivery time increases significantly
Solution Approach 1:
The patent replaces the manual mechanical process of battery recharging with an automated electro-mechanical system. The charging station uses electrical charging combined with automated mechanical loaders for battery swapping, dramatically reducing recharging time from hours to minutes while managing implementation complexity through systematic design
Data Source
AI summary
A package delivery system for delivering a plurality of packages with one or more unmanned aerial vehicles (UAVs) includes a package receptacle to receive and store the plurality of packages. A charging station charges a plurality of UAV batteries which power the one or more UAVs. A UAV landing pad permits the one or more UAVs to land thereon. A loader loads a package of the plurality of packages and/or a UAV battery of the plurality of UAV batteries onto the UAVs when the UAVs are on the UAV landing pad. A transporter moves the packages and/or the UAV batteries s toward the loader.