Hysteresis Dynamic Behavior of Pneumatic Artificial Muscle

Vo Ngoc Yen Phuong; V.C Trinh

doi:10.56741/esl.v3i01.551

Authors

Dr. Vo Ngoc Yen Phuong
vongocyenphuong@iuh.edu.vn
Industrial University of Ho Chi Minh City https://orcid.org/0000-0001-6002-9356
Dr. Trinh Van Chon Ho Chi Minh City University of Technology

Keywords:

Friction, Hysteresis Dynamic, Pneumatic Artificial Muscle

Abstract

The purpose of this work paper is to analyze the effects of friction on the hysteresis dynamic behavior of pneumatic artificial muscle (PAM). Due to the structure of the PAM, the dynamic response is not only affected by the compressed air but also the friction phenomenon. Indeed, the pipe of the PAM called the bellow is made from rubber simultaneously reinforced by metal fibers that are wrapped around the bellow. Hence, the effect of the friction between fibers, between fiber and rubber will be considered in the nonlinear dynamic of the PAM. From dynamic analysis, the complex stiffness model will be attained and analyzed. Comparison between the analysis model and experimental results is realized subjected to harmonic displacement excitation. The results proved the effectiveness of the analysis model. The studied model is a suitable tool in the field of systems vibration analysis using PAM as an elastic element, actuator.

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Author Biographies

Dr. Vo Ngoc Yen Phuong, Industrial University of Ho Chi Minh City

holds a PhD in Mechanical and Manufacturing Engineering, specializing in Vibration Isolation. She is affiliated with the Faculty of Mechanical Engineering at the Industrial University of Ho Chi Minh City, located in Ho Chi Minh City, Vietnam. Dr. Vo's expertise lies in the field of mechanical engineering, particularly in vibration isolation techniques. (email: vongocyenphuong@iuh.edu.vn).

Dr. Trinh Van Chon, Ho Chi Minh City University of Technology

specializes in Mechanical and Manufacturing Engineering, with a focus on Vibration Isolation. He is affiliated with the Faculty of Mechanical Engineering at the Industrial University of Ho Chi Minh City, located in Ho Chi Minh City, Vietnam. Dr. Trinh's expertise lies in the field of mechanical engineering, particularly in the area of vibration isolation techniques. (email: tvchon.sdh221@hcmut.edu.vn).

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