Material Optimization for Soft Actuator Based on Vibration

B. Prasad, Narendra Gariya, Pushpendra Kumar, Varij Panwar, P. Patil
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引用次数: 1

Abstract

Attention is being devoted towards Electro active polymers (EAP) acting as the soft artificial muscles (actuators) which can produce large deformation on the application of low driving voltages (<5 V) and can be applied for soft catheter, robotic arms, sensors and actuator applications. In this work, the vibration analysis of beam structure of Polyvinylidene Fluoride (PVDF) and its composite are done through Finite Element Analysis (FEA). A rectangular beam is designed and optimized for consideration in cantilever configuration. ANSYS 14 R software was used for driving the FE model of the soft beam. The optimized model was again studied for both end fixed boundary conditions. FEA is used to determine the mode shapes and the natural frequencies of PVDF and its composite. The change obtained in the beam structure at different mode shapes is used for predicting the damage and for safe working conditions of the complex structures containing piezoelectric material.
基于振动的柔性执行器材料优化
电活性聚合物(EAP)作为软人造肌肉(致动器)正在引起人们的关注,它可以在低驱动电压(<5 V)的应用下产生大变形,可以应用于软导管、机械臂、传感器和致动器应用。本文采用有限元分析方法对聚偏氟乙烯(PVDF)及其复合材料的梁结构进行了振动分析。考虑悬臂结构,对矩形梁进行了优化设计。采用ANSYS 14r软件对软梁的有限元模型进行了驱动。对优化后的模型在两端固定边界条件下再次进行了研究。采用有限元法确定了PVDF及其复合材料的振型和固有频率。得到的梁结构在不同振型下的变化可用于预测含有压电材料的复杂结构的损伤和安全工作条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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