Design of self-oscillating gel actuators for aiming at chemical robot

Shingo Maeda, Yusuke Hara, Ryo Yoshida, Shuji Hashimoto

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    Many kinds of stimuli-responsive polymer and gels have been developed and applied to biomimetic actuators and artificial muscles. In particular, electroactive polymers that change shape when stimulated electrically are promising. In all cases, however, the mechanical motion is driven by external stimuli, for example, reversing the direction of electric field. On the other hand, many living organisms can generate an autonomous motion without external driving stimuli, for example the self-beating heart muscle. Here we show novel bending-stretching, self-walking and peristaltic motion of polymer gel actuators without switching of external stimuli. The self-oscillating motion is produced by dissipating chemical energy of an oscillating reaction, i.e., the Belouzov-Zhabotinsky (BZ reaction occuring inside the gel. Although the gel is a synthetic polymer, it shows autonomous motion as if it is alive.

    Original languageEnglish
    Pages (from-to)634-640
    Number of pages7
    JournalKobunshi Ronbunshu
    Volume65
    Issue number10
    DOIs
    Publication statusPublished - 2008 Oct

    Fingerprint

    Polymers
    Actuators
    Gels
    gel
    polymer
    Robots
    Muscle
    muscle
    Biomimetics
    walking
    Stretching
    electric field
    Electric fields
    chemical
    energy

    Keywords

    • Belousov-Zhabotinsky reaction
    • Gel actuator
    • Nonequilibrium
    • Nonlinear chemistry
    • Oscillating Reaction
    • Peristaltic motion
    • Phase separation
    • Self-Oscillating gel
    • Self-Walking gel

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Environmental Science(all)
    • Materials Science (miscellaneous)
    • Chemical Engineering (miscellaneous)

    Cite this

    Design of self-oscillating gel actuators for aiming at chemical robot. / Maeda, Shingo; Hara, Yusuke; Yoshida, Ryo; Hashimoto, Shuji.

    In: Kobunshi Ronbunshu, Vol. 65, No. 10, 10.2008, p. 634-640.

    Research output: Contribution to journalArticle

    Maeda, S, Hara, Y, Yoshida, R & Hashimoto, S 2008, 'Design of self-oscillating gel actuators for aiming at chemical robot', Kobunshi Ronbunshu, vol. 65, no. 10, pp. 634-640. https://doi.org/10.1295/koron.65.634
    Maeda, Shingo ; Hara, Yusuke ; Yoshida, Ryo ; Hashimoto, Shuji. / Design of self-oscillating gel actuators for aiming at chemical robot. In: Kobunshi Ronbunshu. 2008 ; Vol. 65, No. 10. pp. 634-640.
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