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Optimization of elephant trunk soft pneumatic actuator using finite element method

Venkatesan V. (Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India)
Shanmugam S. (Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India)
Veerappan A.R. (Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India)

World Journal of Engineering

ISSN: 1708-5284

Article publication date: 5 July 2021

Issue publication date: 5 December 2022

233

Abstract

Purpose

This paper aims to study the influence of significant design parameters of elephant trunk soft pneumatic actuator and presents maximum optimized geometric structure of the actuator using finite element method.

Design/methodology/approach

Analysis of variance (ANOVA) is used to examine the influence of significant parameters such as wall thickness, bottom layer thickness and gap between adjacent chambers on the performance of the soft actuator. The most influencing parameter is found to be the wall thickness compared to the gap between adjacent chambers and bottom layer thickness.

Findings

The optimization of bending moment recommends a wall thickness of 1.5 mm, a gap between the adjacent channels of 1.5 mm and bottom layer thickness of 4 mm for the actuator. The theoretical expression of mechanical parameters is described.

Originality/value

The design optimization of elephant trunk shaped soft actuator with respect to bending angle and force analysis has not been investigated.

Keywords

Citation

V., V., S., S. and A.R., V. (2022), "Optimization of elephant trunk soft pneumatic actuator using finite element method", World Journal of Engineering, Vol. 19 No. 6, pp. 832-842. https://doi.org/10.1108/WJE-05-2021-0272

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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