Design and analysis of Lamina Emergent Joint (LEJ) based on origami technology and mortise-tenon structure

被引：16

作者：

Qiu, Lifang ^{[1
]}

Yu, Yue ^{[1
]}

Liu, Yuansong ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China

来源：

MECHANISM AND MACHINE THEORY | 2021年 / 160卷

基金：

中国国家自然科学基金;

关键词：

Compliant mechanisms; Lamina Emergent Joint; Origami technology; Mortise and tenon joint; Compliance matrix;

D O I：

10.1016/j.mechmachtheory.2021.104298

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Lamina Emergent Mechanisms (LEMs) are an important part of compliant mechanisms, and origami technology can fold simple two-dimensional planes into complex threedimensional geometries. This paper introduces a design method to achieve large deformation of Lamina Emergent torsional (LET) joints in multiple directions through origami technology. A Foldable mortise-tenon structure (FMTS) is proposed to make permanent creases in origami-based mechanisms. The influence of structural parameters of the FMTS on its maximum deformation and maximum stress under tension is studied. Based on the proposed method and structure, a two degree of freedom Lamina Emergent Joint (2DOF-LEJ) is designed. The structural design, equivalent stiffness analysis, and finite element analysis (FEA) of the 2DOF-LEJ are carried out. Experimental tests verify the effectiveness of the proposed method and FMTS on the prototype. Finally, some applications of the proposed method and FMTS in origami-based mechanisms are discussed. (c) 2021 Elsevier Ltd. All rights reserved.

引用

页数：15

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