UAV Payload Retrieval Assembly with Self-Unlocking Payload Security
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing UAV systems face delays and inefficiencies in payload retrieval due to the need for human intervention, leading to undesirable waiting times and energy expenditure, and lack of security for payloads during retrieval.
Innovation Solution
A payload retrieval apparatus with an autoloader assembly and locking feature that allows a UAV to automatically retrieve payloads by engaging a locking mechanism with a movable end, unlocking the payload holder when the retriever exits the channel, ensuring secure and efficient retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated payload retrieval is implemented, then productivity and efficiency are improved, but device complexity increases
Solution Approach 1:
The payload retrieval system is divided into distinct functional modules: the autoloader assembly with payload holder, the channel structure, the locking feature with locking member, and the payload retriever. Each module performs a specific function and can be independently analyzed or replaced, managing overall system complexity while enabling automated operation.
Solution Approach 2:
The locking member is designed to automatically engage with the payload retriever when the retriever enters the channel and automatically disengage when the retriever exits. This self-actuating mechanism eliminates the need for external control systems, sensors, or actuators, achieving automation without proportionally increasing device complexity.
2Reliability
If locking feature is added to secure payload, then security is improved, but device complexity increases
Solution Approach 1:
The locking member automatically locks the payload when the payload retriever enters the channel and automatically unlocks when the retriever exits. This passive, self-actuating design provides reliable security without requiring complex control systems, motors, or sensors to manage the locking mechanism.
Solution Approach 2:
The locking feature is localized to a specific region within the channel where the payload retriever passes. The locking member is positioned at a specific location along the channel wall, providing security only where needed during the retrieval process, rather than requiring comprehensive locking mechanisms throughout the entire system.
3Loss of time
If automated retrieval system is implemented, then loss of time is reduced, but device complexity increases
Solution Approach 1:
The payload is pre-positioned in the payload holder within the channel before the retrieval process begins. The locking member is pre-configured in the channel structure at the appropriate location. When the payload retriever enters the channel, the geometry of the system automatically causes the locking member to engage with the retriever, initiating the unlocking action without requiring sensors, controllers, or complex sequencing.
Solution Approach 2:
The entire automated retrieval process is achieved through the physical interaction between the payload retriever and the locking member within the channel. The system uses the motion of the retriever itself to trigger the unlocking action, eliminating the need for external control systems, timers, or complex coordination mechanisms that would increase device complexity.
Data Source
AI summary
A payload retrieval apparatus having a base, an autoloader assembly mounted to the base including: a payload holder configured to hold a payload for retrieval by a UAV, a channel coupled to the payload holder configured to direct a payload retriever suspended from the UAV to the payload holder, and a locking feature configured to lock access to the payload on the payload holder that includes has a movable end that extends through a wall of the channel into an interior of the channel, wherein when the payload retriever contacts the movable end of the locking member, the movable end moves outwardly thereby unlocking the payload on the payload holder, wherein the payload holder is positioned such that when the payload retriever exits the channel, the payload retriever engages a handle of the payload and removes the payload from the payload holder.