Open Access

ARTICLE

Numerical Investigation on Vibration Performance of Flexible Plates Actuated by Pneumatic Artificial Muscle

by Zhimin Zhao^1,2, Jie Yan³, Shangbin Wang^1,2, Yuanhao Tie⁴, Ning Feng^1,2,5,*

1 School of Electrical and Mechanical Engineering, Pingdingshan University, Pingdingshan, 467000, China
2 Henan Province Engineering Research Center of Ultrasonic Technology Application, Pingdingshan University, Pingdingshan, 467000, China
3 College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin, 150040, China
4 School of Mechanical and Transportation Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, China
5 College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumchi, 830052, China

* Corresponding Author: Ning Feng. Email:

Sound & Vibration 2022, 56(4), 307-317. https://doi.org/10.32604/sv.2022.028797

Received 07 January 2023; Accepted 10 February 2023; Issue published 03 March 2023

Abstract

This paper theoretically introduced the feasibility of changing the vibration characteristics of flexible plates by using bio-inspired, extremely light, and powerful Pneumatic Artificial Muscle (PAM) actuators. Many structural plates or shells are typically flexible and show high vibration sensitivity. For this reason, this paper provides a way to achieve active vibration control for suppressing the oscillations of these structures to meet strict stability, safety, and comfort requirements. The dynamic behaviors of the designed plates are modeled by using the finite element (FE) method. As is known, the output force vs. contraction curve of PAM is nonlinear generally. In this present finite element model, the maximum forces provided by PAM in different air pressure are adopted as controlling forces for applying for the plate. The non-linearity between the output force and displacement of PAM is avoided in this study. The dynamic behaviors of plates with several independent groups of controlling forces are observed and studied. The results show that the natural frequencies of the plate can be varying and the max amplitude decreases significantly if the controlling forces are applied. The present work also demonstrates the potential of the PAM actuators as valid means for damping out the vibration of flexible systems.

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Keywords

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