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Related Experiment Video

Updated: Sep 15, 2025

Bioinspired Soft Robot with Incorporated Microelectrodes

Bioinspired Soft Robot with Incorporated Microelectrodes

Published on: February 28, 2020

Electrokinetic propulsion for electronically integrated microscopic robots.

Lucas C Hanson¹, William H Reinhardt², Scott Shrager¹

¹Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104.

Proceedings of the National Academy of Sciences of the United States of America

|July 15, 2025

Summary

This summary is machine-generated.

Researchers integrated electronics into microrobots, enabling smart control and swarming behavior. This advancement paves the way for intelligent, autonomous micro-robots with enhanced capabilities.

Keywords:

electrokinetic propulsion micromotors microrobots

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Last Updated: Sep 15, 2025

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Published on: May 2, 2013

Area of Science:

Microrobotics
Microelectronics
Autonomous Systems

Background:

Existing microrobot platforms often lack electronics integration, limiting their intelligence and autonomy.
Semiconductor microelectronics offer potential for smart, autonomous sub-millimeter robots.
Bridging the gap between microrobot propulsion and onboard electronics is crucial for advanced functionality.

Purpose of the Study:

To integrate electronics into existing microrobot platforms, enhancing their capabilities.
To develop a unified design combining microrobot propulsion with on-robot electronics.
To demonstrate the feasibility of electronically controlled, autonomous microrobot swarms.

Main Methods:

Utilized electrokinetic micromotors to generate propulsive electrokinetic flows.
Developed a physics-based model relating robot speed to applied current.
Fabricated 100-micron scale microrobots with on-board photovoltaic circuits.
Implemented a closed-loop optical control scheme for navigation and swarm coordination.

Main Results:

Demonstrated microrobots capable of autonomous waypoint navigation.
Achieved coordinated swarm movement at speeds up to one body length per second.
Established a straightforward design and control method based on applied current.
Successfully integrated rudimentary photovoltaic circuits for power and control.

Conclusions:

The unification of micromotor propulsion with on-robot electronics enables intelligent microrobot design.
This approach overcomes limitations of existing platforms, offering speed, robustness, and ease of fabrication.
Future work can realize robust, fast, and electronically programmable microrobots with long-term operational viability.