Results 21 to 30 of about 1,607,594 (280)

Safety Implications of High-Field MRI: Actuation of Endogenous Magnetic Iron Oxides in the Human Body [PDF]

, 2009
Background: Magnetic Resonance Imaging scanners have become ubiquitous in hospitals and high-field systems (greater than 3 Tesla) are becoming increasingly common.
Garcia-Prieto, A, Ana Garcia-Prieto, Jon Dobson, Dobson Jon, Bowtell, R, Pankhurst Quentin, Dobson, J, Richard Bowtell, Quentin Pankhurst, Pankhurst, Q, Bowtell Richard, Garcia-Prieto Ana   +11 more
core   +1 more source

A finite element approach for the implementation of magnetostrictive material terfenol-D in automotive CNG fuel injection actuation [PDF]

, 2008
Magnetostriction is the deformation that spontaneously occurs in ferromagnetic materials when an external magnetic field is applied. In applications broadly defined for actuation, magnetostrictive material Terfenol-D possesses intrinsic rapid response ...
Choadhury, Habibullah Amin
core   +2 more sources

Towards Functional Mobile Microrobotic Systems

Robotics, 2019
This paper presents our work over the last decade in developing functional microrobotic systems, which include wireless actuation of microrobots to traverse complex surfaces, addition of sensing capabilities, and independent actuation of swarms of ...
Georges Adam, Sagar Chowdhury, Maria Guix, Benjamin V. Johnson, Chenghao Bi, David Cappelleri   +5 more
doaj   +1 more source

Giving Penetrable Remote-Control Ability to Thermoresponsive Fibrous Composite Actuator with Fast Response Induced by Alternative Magnetic Field

Nanomaterials, 2021
An alternative magnetic field (AMF)-induced electrospun fibrous thermoresponsive composite actuator showing penetrable remote-control ability with fast response is shown here for the first time.
Li Liu, Wenjing Song, Shaohua Jiang, Gaigai Duan, Xiaohong Qin   +4 more
doaj   +1 more source

Investigation of Mechanical Clearance Change with Thermal Flying-height Control Slider at High Altitude

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
Clearance change between a magnetic head with a thermal flying-height control (TFC) function and a magnetic disk at high altitude was investigated. To clarify the change of head-disk clearance in the case of TFC actuation at high altitude, head-disk ...
Satoru OOKUBO, Toshiya SHIRAMATSU, Masayuki KURITA, Hidekazu KOHIRA, Yoshinori TAKEUCHI   +4 more
doaj   +1 more source

Advanced Microrobots Driven by Acoustic and Magnetic Fields for Biomedical Applications

Cyborg and Bionic Systems
Microrobots driven by magnetic and acoustic fields have shown great potential in multiple biomedical applications due to their excellent biocompatibility, wireless actuation, access to confined environments, and tissue penetration.
Tingting Wang, Zhuo Chen, Qiang Huang, Tatsuo Arai, Xiaoming Liu   +4 more
doaj   +1 more source

Navigation of mini swimmers in channel networks with magnetic fields [PDF]

, 2013
Controlled navigation of swimming micro robots inside fluid filled channels is necessary for applications in living tissues and vessels. Hydrodynamic behavior inside channels and interaction with channel walls need to be understood well for successful ...
Temel, Fatma Zeynep, Yeşilyurt, Serhat, Bezer, Ayşe Ecem   +2 more
core   +2 more sources

Femtosecond Laser Microfabrication and Magnetic Manipulation of Functional Magnetic Microspheres

Optics
The precise fabrication and controllable actuation of magnetic microspheres hold significant application value in biomedicine, microfluidic chips and other fields.
Jingwen Wang, Shuang Zhang, Wei Cheng, Zhixue Xing, Shengying Fan, Galina Melnikova, Vasilina Lapitskaya, Shoufa Di, Jincheng Ni   +8 more
doaj   +1 more source

Magnetic Levitation Actuation and Motion Control System with Active Levitation Mode Based on Force Imbalance

Applied Sciences, 2023
Accurate large-displacement magnetic levitation actuation and its stability remain difficult in non-liquid environments. A magnetic levitation actuation and motion control system with active levitation mode is proposed in this paper.
Guancheng Liu, Yonghua Lu, Jiajun Xu, Zhanxiang Cui, Haibo Yang   +4 more
doaj   +1 more source

Magnetic Resonance Imaging System–Driven Medical Robotics

Advanced Intelligent Systems, 2020
Magnetic resonance imaging (MRI) system–driven medical robotics is an emerging field that aims to use clinical MRI systems not only for medical imaging but also for actuation, localization, and control of medical robots. Submillimeter scale resolution of
Onder Erin, Mustafa Boyvat, Mehmet Efe Tiryaki, Martin Phelan, Metin Sitti   +4 more
doaj   +1 more source