Dynamic Analysis and Optimal Parameter Design of FlexibleComposite Structures via Absolute Nodal Coordinate Formulation

作     者：杨丹 余海东 林张鹏 YANG Dan;YU Haidong;LIN Zhangpeng

作者机构：Shanghai Key Laboratory of Digital Manufacture for Thin-walled StructuresShanghai 200240China 

基　　金：the National Natural Science Foundation of China(No.51775345) 

出 版 物：《Journal of Shanghai Jiaotong university(Science)》 (上海交通大学学报（英文版）)

年 卷 期：2023年第28卷第5期

页      码：621-629页

摘      要：The composite structure with the dielectric elastomer and soft materials is the main form of theactuators in soft robots. However, the theoretical model is hard to obtain due to the nonlinear large deformationof materials. In this paper, a new composite element model is established based on the absolute nodal coordinateformulation. The consistent deformation conditions at the contact interface between two thin plates are *** hyperelastic constitutive model and the dielectric elastomer constitutive model are introduced for the twothin plates. Then the dynamic model is established to study the dynamic behaviors of the composite flexiblestructure with various parameters. The results show that the nonlinear deformation appears obviously whenthe flexible composite plate structure is driven by various voltages, and the warping deformation becomes moreobvious with the increase of the voltage. The width and thickness of the driven thin plate influence the stabilityof the whole structure. With the decrease of the width or thickness, the deformation of the structure is moreconsistent with obvious periodicity, and the control performance is improved. Finally, the structural parametersof the composite structures are optimized to improve the control performance based on the dynamic ***, smaller width and thickness parameters are preferred to obtain better performance in the design offlexible actuator of soft robot.

主 题 词：flexible composite structure absolute nodal coordinate formulation dynamic behavior deformation compatibility optimal design 

学科分类：08[工学] 080203[080203] 0805[工学-能源动力学] 0802[工学-机械学] 0811[工学-水利类] 

核心收录：

D　O　I：10.1007/s12204-022-2419-4

馆 藏 号：203112791...