Results 101 to 110 of about 5,561 (243)

Stochastic Dynamic Analysis of a Three-Tailed Helical Microrobot in Confined Spaces

Micromachines
This study investigates the complex dynamic behavior of three-tailed helical microrobots operating in confined spaces. A stochastic dynamic model has been developed to analyze the effects of input angular velocity, current, fluid viscosity, and channel ...
Xinpeng Shi, Yongge Li, Kheder Suleiman
doaj   +1 more source

A Hybrid Magnetic Actuation System for Single‐Input Multistates Stabilization: Application to pH‐Responsive Drug Delivery

Advanced Intelligent Systems, EarlyView.
This study presents an integrated proof‐of‐concept robotic platform for targeted delivery applications. A hybrid magnetic actuation system achieves single‐input (z) multistate stabilization (x, y, ϕ, and θ) for precise capsule transport with submillimeter positioning accuracy.
Sejun Park, Hanbi Park, Suho Lee, Bohyeon Kim, Jiseong Ryu, ChangKyu Yoon, Donghoon Son   +6 more
wiley   +1 more source

Taxis-Based Motion Control of Biohybrid Microrobots

, 2018
Miniaturization of on-board actuation and powering engenders the proliferation of biohybrid microrobots, which integrate motile bacteria or cells with synthetic functional components to achieve micron-scale actuations.
Jiang Zhuang (5468765)
core   +1 more source

Fast, Strong Capillary Liquid Metal Muscles

Advanced Intelligent Systems, EarlyView.
Capillary liquid metal muscles (CLMMs) harness the exceptionally high and electrochemically tunable surface tension of gallium‐based liquid metals (e.g., EGaIn) to generate mechanical work. Confinement within microchannels maximizes surface‐energy conversion, enabling high force, ultrafast response (<25 ms), low‐voltage operation (<10 V), and ...
Tim Cole, Jiahao Zheng, Jian Shu, Bayinqiaoge, Yuxin Zhang, Yi‐Wen Wu, Michael D. Dickey, Yi Wang, Shi‐Yang Tang   +8 more
wiley   +1 more source

Bio-inspired magnetic swimming microrobots for biomedical applications.

, 2013
Microrobots have been proposed for future biomedical applications in which they are able to navigate in viscous fluidic environments. Nature has inspired numerous microrobotic locomotion designs, which are suitable for propulsion generation at low ...
Nelson BJ, Peyer KE, Zhang L
core   +1 more source

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

Programming structural and magnetic anisotropy for tailored interaction and control of soft microrobots

Communications Engineering
Swarms of soft microrobots controlled by minimally invasive magnetic fields show promise as biomedical agents. The collective behaviour of such swarms, governed by magnetic and hydrodynamic interactions, emerges from the properties of their individual ...
Yimo Yan, Chao Song, Zaiyi Shen, Yuechen Zhu, Xingyu Ni, Bin Wang, Michael G. Christiansen, Stavros Stavrakis, Juho S. Lintuvuori, Baoquan Chen, Andrew deMello, Simone Schuerle   +11 more
doaj   +1 more source

Compliant Footpads Enable Terrain‐Adaptive Hopping in a Monopedal Robot

Advanced Intelligent Systems, EarlyView.
A lightweight compliant footpad with embedded spines lets a monopedal hopping robot keep stable ground contact. It preserves stance‐phase dynamics and enables reliable hopping on rock, sand, and ice. Monopedal hopping robots offer exceptional mobility over discontinuous terrain but require consistent foot‐ground contact to maintain stance‐phase ...
Jeeraphat Owen Kledkruemas, Song Li, Songnan Bai, Pakpong Chirarattananon   +3 more
wiley   +1 more source

Programable Acoustic Single‐Cell Manipulation With Model‐Free Machine Learning

Advanced Intelligent Systems, EarlyView.
Closed‐loop control with ultrasound enables precise, noninvasive manipulation of individual cells inside a microfluidic device using a model‐free reinforcement learning‐inspired algorithm, achieving 2D control using a single piezoelectric transducer.
Alexander Edthofer, Guilherme J. Perticarari, Selma Helvelius Bounja, Thierry Baasch   +3 more
wiley   +1 more source

TriMag Microrobots: 3D-Printed Microrobots for Magnetic Actuation, Imaging, and Hyperthermia

Microrobots hold immense potential in biomedical applications, including drug delivery, disease diagnostics, and minimally invasive surgeries. However, two key challenges hinder their clinical translation: achieving scalable and precision fabrication ...
Xing, Liuxi, Tang, Zhengxu, Nagaraja, Tavarekere N, Li, Jinxing, Lee, Ian Y, Wang, Ping, Tang, Tengteng, Cai, Yulu, Nigam, Saumya, Smith, Bryan R, Li, Xiangjia, Mozel, Kevin, Gao, Tong, Zhang, Yapei, Mottini, Vittorio   +14 more
core