Results 31 to 40 of about 134,950 (120)

3D Closed‐Loop Navigation of Magnetic Microswimmers Using Vision‐Derived Depth Feedback

Advanced Intelligent Systems, EarlyView.
A planar magnetic microswimmer is navigated in three dimensions under a standard microscope. Image defocus supplies a real‐time depth cue, and model‐predictive control with A* planning steers the body on surfaces and in free swimming. Axial position is regulated by propulsion alone, without magnetic field gradients or extra cameras.
Yasin Cagatay Duygu, Sangwon Lee, Min Jun Kim   +2 more
wiley   +1 more source

Analysing the motion of scallop-like swimmers in a noisy environment

, 2022
A scallop-like swimmer going back-and-forth (reciprocal motion) does not produce any net motility. We discuss a similar artificial microswimmer that is powered by magnetic fields.
Ambarish Ghosh, Gouri Patil
core   +1 more source

Intelligent Continuum Micromachines in Complex Confined Spaces

SmartBot, EarlyView.
The cover depicts a conceptual design for an intelligent continuum micromachine entering a target capsule used in fusion‐energy research through its slender gas‐fill tube. By combining route‐adaptive deformation, embedded sensing, and a functional end effector, the robot could inspect hidden defects, assess local conditions, and support localized ...
Huayang Sai, Yunyue Yang, Shuxing Xu, Jinbo Hu, Jiliang Wang, Zhehao Gan, Wei Tang, Tian‐Yun Huang   +7 more
wiley   +1 more source

Multi‐Scale Magnetically Controlled Soft Matter Robots for Tissue Interfacing Applications

SmartBot, EarlyView.
Magnetically controlled soft matter robots (MSMRs) integrate remote magnetic control with soft matter adaptability for minimally invasive biomedical tasks at tissue interfaces across multiple scales. This review examines the interaction mechanisms between MSMRs and tissue interfaces, with MSMRs classified into five categories according to their ...
Wenxin Lian, Yan Zhou, Dianhong Zhang, Yuanwen Liang, Zihao Tang, Zhuo Chen, Qichen Hong, Jiangfan Yu, Chi Zhang, Xiaopu Wang   +9 more
wiley   +1 more source

A three-sphere microswimmer in a structured fluid

, 2018
We discuss the locomotion of a three-sphere microswimmer in a viscoelastic structured fluid characterized by typical length and time scales. We derive a general expression to link the average swimming velocity to the sphere mobilities.
Kento Yasuda, Shigeyuki Komura, Ryuichi Okamoto   +2 more
core   +1 more source

Dynamic Obstacle Avoidance of Metamorphic Microrobots Using Concentric Sector Navigator

Advanced Intelligent Systems, Volume 8, Issue 10, October 2026.
Metamorphic magnetic microrobots are navigated using a concentric sector navigator for dynamic obstacle avoidance in both microroller and swarm states. After microroller transport, citrate‐triggered dissolution releases nanoparticles that reassemble into a controllable swarm.
Zhaowen Su, Zerui Li, Lijun Fang, Hoyeon Kim, U Kei Cheang   +4 more
wiley   +1 more source

Brownian dynamics of a microswimmer [PDF]

, 2007
We report on dynamic properties of a simple model microswimmer composed of three spheres and propelling itself in a viscous fluid by spinning motion of the spheres under zero net torque constraint.
D. Lobaskin, V. Lobaskin, I. M. Kulić, Lobaskin, Dmitry, Kulic, Igor M., Lobaskin, Vladimir   +5 more
core   +1 more source

A Hybrid Physics‐Informed Computational Framework for Adaptive Microrobotic Navigation and Causal Structure Discovery in Simulated Non‐Newtonian Environments

Applied Research, Volume 5, Issue 5, October 2026.
This study presents a hybrid AI framework that enables autonomous magnetic microrobots to navigate complex, non‐Newtonian tumor microenvironments. By integrating physics‐informed recurrent reinforcement learning with active persistent excitation, the system successfully infers hidden fluid rheology for precise targeted navigation and structural causal ...
Xinyuan Chen, Zanariah Abu Bakar, Mohd Nizam Husen   +2 more
wiley   +1 more source

Cteno‐Bot: An Untethered Metachronally Swimming Robot With Magnetoactive Propulsors

Advanced Intelligent Systems, Volume 8, Issue 8, August 2026.
We present Cteno‐bot, an untethered ctenophore‐inspired robot which swims using metachronally coordinated appendages. A single mechanism controls up to 216 magnetoactive propulsors via a dynamically varying magnetic field. We show that the swimming speed of the robot can be increased without a corresponding increase in power requirement, simply by ...
David J. Peterman, Margaret L. Byron
wiley   +1 more source

Liquid Crystal Polymers as Intrinsically Magnetic and Programmable Soft Materials for Microrobotics

Small, Volume 22, Issue 42, 27 July 2026.
Liquid crystal polymers (LCPs) are proposed as intrinsically magnetic, programmable, soft materials for microrobotics. Magnetic torque‐driven manipulation of LCP microobjects is achieved and characterized in terms of the step‐out frequency, reaching ∼0.6 Hz in a ∼250 mT magnetic field. The orientation of LCP microobjects in the magnetic field and their
Alexandra Gruzdenko, Ignacio Becerra Osorio, Max de Sain, Albert P. H. J. Schenning, Jaap M. J. den Toonder, Michael G. Debije   +5 more
wiley   +1 more source