Modular Robotic Hand with Mechanical Fuse Detachment
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Solution Overview
Problem
Conventional robotics for disarming Improvised Explosive Devices (IEDs) are prohibitively expensive and lack optimal disarming techniques, making them inefficient for practical use.
Innovation Solution
A modular robotic hand with detachable extensions, featuring a mechanical fuse system and actuators for flexible motion, allowing for cost-effective and efficient disarming of IEDs without damaging the device or surrounding infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional robotic devices are used to disarm IEDs, then the disarming task can be performed, but the cost becomes prohibitively expensive (millions of dollars)
Solution Approach 1:
The robotic hand is divided into modular components: a reusable frame and replaceable extensions (fingers). Each extension can be independently manufactured and attached to the frame, allowing the system to be built more economically than conventional monolithic robotic devices while maintaining disarming capability
Solution Approach 2:
The frame is designed as a universal platform that can accept multiple different extension types. This allows a single frame to perform various disarming tasks by swapping extensions, reducing the need for multiple specialized expensive robotic systems
2Adaptability or versatility
If extensions are made detachable for easy replacement, then operational flexibility improves, but the connection reliability may be compromised
Solution Approach 1:
The connection between extensions and frame transitions from static to dynamic: extensions can be firmly attached during operation for stability, yet easily detached when needed. The mechanical fuse design allows controlled detachment under excessive force while maintaining secure connection during normal use
Solution Approach 2:
The mechanical fuse acts as an intermediary element between the extension and frame. It provides a controlled detachment mechanism that protects both the extension and frame from damage while allowing easy replacement when the fuse is intentionally triggered
3Adaptability or versatility
If modular extensions are used with mechanical fuses for easy detachment, then operational flexibility improves, but the device complexity increases
Solution Approach 1:
The mechanical fuse system is designed to be self-activating based on force thresholds. When excessive force is applied or when an extension needs replacement, the fuse automatically triggers detachment without requiring complex control systems or additional actuators, keeping the system relatively simple despite its modular capability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular robotic hand enables efficient disarming of IEDs by allowing for easy detachment and re-attachment of extensions, reducing operational costs and minimizing damage, while providing multiple functional modules for various tasks.
Implementation Method 1
In an exemplary embodiment, magnets can be employed as the mechanical fuse, thereby allowing for relatively easy detachment and re-attachment of a modular extension to the frame of the robotic hand
Implementation Method 2
In another exemplary embodiment, the mechanical fuse may be an adhesive that can form a bond between the frame and an extension coupled thereto
Data Source
AI summary
A robotic device is described herein. The robotic device includes a frame that comprises a plurality of receiving regions that are configured to receive a respective plurality of modular robotic extensions. The modular robotic extensions are removably attachable to the frame at the respective receiving regions by way of respective mechanical fuses. Each mechanical fuse is configured to trip when a respective modular robotic extension experiences a predefined load condition, such that the respective modular robotic extension detaches from the frame when the load condition is met.