Modular UAV Connection System Using Tab and Slot Interface
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Solution Overview
Problem
Existing UAVs have limited flight range and are designed for specific applications, with non-removable components that restrict adaptability and increase costs due to the need for multiple units for different uses.
Innovation Solution
A modular UAV connection system featuring a tab and slot design with a lock pin mechanism that allows aerodynamic bodies like wings and rudder-elevators to be easily swapped and secured, enabling adaptability for various applications while maintaining structural integrity during flight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If UAV components are designed as non-removable integrated structures, then structural integrity and manufacturing simplicity are improved, but adaptability and cost-effectiveness deteriorate due to inability to swap components for different applications
Solution Approach 1:
The UAV is divided into modular components (aerodynamic bodies, frames, payloads) that can be independently attached and detached. The connection system uses separate tabs and slots rather than integrated structures, enabling components to be swapped for different applications while maintaining overall system integrity.
Solution Approach 2:
The tab-slot connection system provides a universal interface that can accommodate various aerodynamic bodies and components across different UAV applications. A single connection system design serves multiple functions: attaching wings, rudder-elevators, and other aerodynamic components, eliminating the need for application-specific custom designs.
2Adaptability or versatility
If multiple UAV units are manufactured for different applications, then application-specific performance is improved, but cost and resource consumption increase
Solution Approach 1:
A single UAV platform with universal tab-slot connections can perform multiple applications by swapping aerodynamic bodies and components. Instead of manufacturing separate UAV units for different tasks (delivery, surveillance, recreation), one adaptable platform serves all purposes, reducing the total number of units needed.
Solution Approach 2:
Components such as aerodynamic bodies can be detached and replaced based on application needs. Rather than discarding entire UAV units, only the specific components needed for the current task are attached, and can be recovered and reused for subsequent tasks, reducing overall resource consumption.
3Reliability
If tab is inserted into slot in direction opposite to UAV travel, then aerodynamic loading secures the connection during flight, but alignment precision requirements increase
Solution Approach 1:
The aerodynamic forces that would normally challenge the connection (wind pressure, flight loads) are converted into beneficial securing forces. By orienting the tab insertion opposite to travel direction, the aerodynamic loading during flight naturally pushes the aerodynamic body against the tab, securing the connection without additional fasteners.
Solution Approach 2:
The tab-slot connection exhibits asymmetric characteristics: the tab has a specific orientation and shape that fits into the slot only in the correct alignment. This asymmetric design provides alignment guidance while the aerodynamic loading in the opposite-travel direction provides the securing force, combining precision alignment with reliable connection.
Data Source
AI summary
A modular unmanned aerial vehicle (UAV) connection system is disclosed. A disclosed example connection system for use with a UAV includes a tab extending from one of an aerodynamic body or a frame, and a slot to receive the tab, the slot positioned on another of the aerodynamic body or the frame, the tab to be inserted into the slot in a direction that is opposite to a direction of travel of the UAV.