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Locomotion of light-driven soft microrobots through a hydrogel via local melting

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Yksityiskohdat

AlkuperäiskieliEnglanti
OtsikkoInternational Conference on Manipulation, Automation and Robotics at Small Scales, MARSS 2017 - Proceedings
KustantajaIEEE
ISBN (elektroninen)9781538603468
DOI - pysyväislinkit
TilaJulkaistu - 3 elokuuta 2017
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaInternational Conference on Manipulation, Automation and Robotics at Small Scales (MARSS) -
Kesto: 1 tammikuuta 2000 → …

Conference

ConferenceInternational Conference on Manipulation, Automation and Robotics at Small Scales (MARSS)
Ajanjakso1/01/00 → …

Tiivistelmä

Soft mobile microrobots whose deformation can be directly controlled by an external field can adapt to move in different environments. This is the case for the light-driven microrobots based on liquid-crystal elastomers (LCEs). Here we show that the soft microrobots can move through an agarose hydrogel by means of light-controlled travelling-wave motions. This is achieved by exploiting the inherent rise of the LCE temperature above the melting temperature of the agarose gel, which facilitates penetration of the microrobot through the hydrogel. The locomotion performance is investigated as a function of the travelling-wave parameters, showing that effective propulsion can be obtained by adapting the generated motion to the specific environmental conditions.

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