Optimization of elephant trunk soft pneumatic actuator using finite element method

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 in...

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Bibliographic Details
Published in:World journal of engineering 2022-12, Vol.19 (6), p.832-842
Main Authors: Venkatesan, V, Shanmugam, S, Veerappan, A R
Format: Article
Language:English
Subjects:
Actuators
Bending moments
Chambers
Design optimization
Design parameters
Elephants
Finite element analysis
Finite element method
Geometry
Mechanical properties
Pneumatics
Robotics
Robots
Rubber
Silicones
Simulation
Thickness
Variance analysis
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Summary: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.
ISSN:1708-5284
2515-8082
1708-5284
DOI:10.1108/WJE-05-2021-0272