Development of a miniature quadrupedal piezoelectric robot combining fast speed and nano-resolution

J Li, J Deng, S Zhang, Y Liu - International Journal of Mechanical Sciences, 2023 - Elsevier
Miniature piezoelectric robots exhibit superior performances and have been favored by
many researchers, however, there is an intractable contradiction between nano-resolution …

Functional capsule robots: A Review of locomotion, pose, medical operation and wireless power transmission reported in 2018-2023

D Hua, L Deng, J Goldasz, X Liu, H Du… - Smart Materials and …, 2024 - iopscience.iop.org
As a new type of medical equipment, capsule robots are actuated wirelessly by space
magnetic field, which have important application advantages in the diagnosis and treatment …

A review of modeling and control of remote-controlled capsule endoscopes

A Fakhr Abdollahi, MH Shaheed… - Expert Review of …, 2024 - Taylor & Francis
Introduction The significance of this review lies in addressing the limitations of passive
locomotion in capsule endoscopes, hindering their widespread use in medical applications …

A worm-snake-inspired metameric robot for multi-modal locomotion: design, modeling, and unified gait control

Z Bi, Q Zhou, H Fang - International Journal of Mechanical Sciences, 2023 - Elsevier
Worm-like and snake-like robots have attracted a great deal of research attention due to
their slender bodies and excellent mobility. Based on different locomotion mechanisms …

[HTML][HTML] Speed optimisation and reliability analysis of a self-propelled capsule robot moving in an uncertain frictional environment

M Liao, J Zhang, Y Liu, D Zhu - International Journal of Mechanical …, 2022 - Elsevier
The dynamics of a self-propelled capsule robot for small-bowel endoscopy driven by its
internal vibro-impact excitation is studied in this paper. Due to its complex anatomy, the …

Simulation and experimental studies of a vibro-impact capsule system driven by an external magnetic field

J Zhang, Y Liu, D Zhu, S Prasad, C Liu - Nonlinear Dynamics, 2022 - Springer
This paper studies the electromagnetic field used for driving a vibro-impact capsule
prototype for small bowel endoscopy. Mathematical models of the electromagnetic field and …

Experimental and numerical studies of intestinal frictions for propulsive force optimisation of a vibro-impact capsule system

B Guo, E Ley, J Tian, J Zhang, Y Liu, S Prasad - Nonlinear Dynamics, 2020 - Springer
This paper studies the intestinal frictions acting on a millimetre-scale self-propelled capsule
(26 mm in length and 11 mm in diameter) for small bowel endoscopy by considering …

[HTML][HTML] Dynamics of a self-propelled capsule robot in contact with different folds in the small intestine

S Yin, Y Yan, JP Chávez, Y Liu - Communications in Nonlinear Science …, 2023 - Elsevier
Considering the anatomy of small intestine involving lesions, circular folds and tumours are
the major sources resisting the locomotion of capsule robots. By mimicking the small-bowel …

[HTML][HTML] Finite element analysis of a self-propelled capsule robot moving in the small intestine

J Tian, Y Liu, J Chen, B Guo, S Prasad - International Journal of …, 2021 - Elsevier
In order to optimise the passage of the self-propelled capsule robot in the small intestine,
capsule-intestine interactions were studied in this paper via finite element (FE) analysis and …

[HTML][HTML] Vibro-impact dynamics of an experimental rig with two-sided constraint and bidirectional drift

J Zhang, S Yin, B Guo, Y Liu - Journal of Sound and Vibration, 2024 - Elsevier
This paper demonstrates a theoretical and experimental study on a universal vibro-impact
system with bidirectional drift. With a dedicated experimental rig that is able to verify …