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Related Experiment Video

Updated: Jun 10, 2025

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

An Additive Manufacturing Technique for the Facile and Rapid Fabrication of Hydrogel-based Micromachines with Magnetically Responsive Components

Published on: July 18, 2018

Closed-loop Control for a Heterogeneous Group of Magnetically-actuated Microrobots.

Logan E Beaver¹, Zameer Hussain Shah², Max Sokolich²

¹Department of Mechanical and Aerospace Engineering, Old Dominion University, Norfolk, VA 23529, USA.

... International Conference on Manipulation Automation and Robotics at Small Scales (MARSS). International Conference on Manipulation Automation and Robotics at Small Scales

|October 18, 2024

Summary

This summary is machine-generated.

This study presents a novel method for fabricating diverse micro-robots and a control law for precise formation. Heterogeneous micro-robot dynamics are essential for achieving arbitrary formations in real-time applications.

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Area of Science:

Robotics
Biomedical Engineering
Materials Science

Background:

Magnetically-actuated micro-robots offer safe, flexible, and cost-effective solutions for medical applications.
Precise control of micro-robot motion is crucial for many practical applications, often requiring real-time adjustments via closed-loop control.

Purpose of the Study:

To develop a rapid fabrication process for heterogeneous micro-robots using colloidal synthesis.
To design a closed-loop control law for driving micro-robots into desired planar formations.
To demonstrate the necessity of dynamic heterogeneity for achieving arbitrary micro-robot formations.

Main Methods:

Colloidal synthesis for high-throughput fabrication of diverse micro-robots.
Development of a closed-loop control law for real-time motion adjustment.
Mathematical proof of heterogeneity's necessity for arbitrary formations.

Main Results:

Successful rapid fabrication of numerous heterogeneous micro-robots.
Demonstration of a control law capable of driving micro-robots to desired formations.
Experimental validation showing that a specific number of micro-robots can achieve any arbitrary formation.

Conclusions:

Heterogeneous micro-robot dynamics are essential for generating arbitrary formations.
The developed closed-loop control law enables precise real-time formation control of micro-robots.
This approach facilitates the practical application of magnetically-actuated micro-robots in complex scenarios.