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Published in: Meccanica 8/2021

08-04-2021

The effect of friction on the vibro-impact locomotion system: modeling and dynamic response

Authors: Khac-Tuan Nguyen, Ngoc-Tuan La, Ky-Thanh Ho, Quoc-Huy Ngo, Ngoc-Hung Chu, Van-Du Nguyen

Published in: Meccanica | Issue 8/2021

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Abstract

This paper shows a new study on the effect of various dry and isotropic friction levels on the progression and dynamic response of a vibro-impact locomotion system. An experimental vibro-impact self-propelled apparatus, which is able to vary the friction force while remaining the total weight of the system, was practically implemented. A new dimensionless model was developed based on the validated mathematical model, allowing to examine the effects of the excitation force and the friction force independently. The experimental data revealed that, the force ratio between the excitation magnitude and friction level would not be totally correct to represent the excitation effects in dimensionless modeling the system. The level of friction force may have a significant effect not only on how fast the system move, but also on which direction of the progression. Bifurcation analysis and basin of attraction were calculated to scrutinize the effect of friction on the scaled model. The results showed that various friction would lead to either period-1 or chaotic motion of the system. The new findings would be useful for further studies on the design and operation of vibro-impact driven locomotion systems and capsule robots.

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Literature
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go back to reference Su G, Zhang C, Tan R, Li H A design of the electromagnetic driver for the “internal force-static friction” capsubot. In: The 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009. IEEE, pp 613–617 Su G, Zhang C, Tan R, Li H A design of the electromagnetic driver for the “internal force-static friction” capsubot. In: The 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009. IEEE, pp 613–617
Metadata
Title
The effect of friction on the vibro-impact locomotion system: modeling and dynamic response
Authors
Khac-Tuan Nguyen
Ngoc-Tuan La
Ky-Thanh Ho
Quoc-Huy Ngo
Ngoc-Hung Chu
Van-Du Nguyen
Publication date
08-04-2021
Publisher
Springer Netherlands
Published in
Meccanica / Issue 8/2021
Print ISSN: 0025-6455
Electronic ISSN: 1572-9648
DOI
https://doi.org/10.1007/s11012-021-01348-w

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