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Light Robots: Bridging the Gap between Microrobotics and Photomechanics in Soft Materials

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Details

Original languageEnglish
Article number1703554
JournalAdvanced Materials
Volume30
Issue number24
DOIs
Publication statusPublished - 2018
Publication typeA1 Journal article-refereed

Abstract

For decades, roboticists have focused their efforts on rigid systems that enable programmable, automated action, and sophisticated control with maximal movement precision and speed. Meanwhile, material scientists have sought compounds and fabrication strategies to devise polymeric actuators that are small, soft, adaptive, and stimuli-responsive. Merging these two fields has given birth to a new class of devices-soft microrobots that, by combining concepts from microrobotics and stimuli-responsive materials research, provide several advantages in a miniature form: external, remotely controllable power supply, adaptive motion, and human-friendly interaction, with device design and action often inspired by biological systems. Herein, recent progress in soft microrobotics is highlighted based on light-responsive liquid-crystal elastomers and polymer networks, focusing on photomobile devices such as walkers, swimmers, and mechanical oscillators, which may ultimately lead to flying microrobots. Finally, self-regulated actuation is proposed as a new pathway toward fully autonomous, intelligent light robots of the future.

Keywords

  • Actuators, Liquid crystals, Microrobots, Photomobile, Soft robots

Publication forum classification

Field of science, Statistics Finland

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