Geometric design and motion analysis of Miura-Ori mechanism with thick panels

doi:10.16708/j.cnki.1000-758X.2022.0061

Abstract

Abstract: Different from the general motion mechanism，the space deployable mechanism is strict with the geometry shape and dimensions of components.Based on the origami theory of thick panels，two kinds of Miura-Ori deployable unit（Bennett unit and spherical 4R unit）were obtained for accommodating material thickness to avoid physical interference.The flat-foldable condition for achieving the compact folding and maximum expansion as well as the requirement of constructing large space deployable mechanism with infinite number of units were considered to deduce components geometry constraints.The process to constructing large deployable Miura-Ori mechanism was explained and corresponding two typical network systems which can maintain the kinematic properties of the origami mechanism were established.Finally，the influence regularity of various factors on folding ratio was analyzed and a general approach for optimum design of Miura-Ori mechanism with thick panels was proposed which can provide reference for practical engineering application of this kind of mechanism.

Key words: deployable mechanism, thick-panel origami, Bennett mechanism, spherical mechanism, folding ratio, optimum design

CHANG Boyan, XU Xin, LIANG Dong, ZHANG Haonan. Geometric design and motion analysis of Miura-Ori mechanism with thick panels[J]. Chinese Space Science and Technology, 2022, 42(4): 146-157.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.16708/j.cnki.1000-758X.2022.0061

https://journal26.magtechjournal.com/kjkxjs/EN/Y2022/V42/I4/146

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Geometric design and motion analysis of Miura-Ori mechanism with thick panels

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