Results 81 to 90 of about 25,796 (255)

Multi‐material and dual‐stimulus coupled actuation micro‐gears for shape–rotation control in intelligent micro‐electro‐mechanical systems

FlexMat, EarlyView.
A multi‐material and dual‐stimulus coupled actuation micro‐gear (MDCAMG) is developed via femtosecond‐laser 3D printing combined with magnetic nanoparticle absorption, enabling integrated environmental sensing and remote actuation at the microscale. The device incorporates a pH‐responsive hydrogel matrix for autonomous swelling/shrinking and a magnetic
Sida Peng, Shengzhi Sun, Jian Li, Yi Zhu
wiley   +1 more source

Research and Application Progress of Field Modulation Magnetic Gear Transmission Technology

Jixie chuandong
The field modulation magnetic gear transmission technology is based on the principle of field modulation to achieve efficient and contactless transmission, effectively improving the problems of low torque density and low transmission ratio caused by the ...
Liu Ruixia, Luo Shuai, Wu Xianfeng, Wang Jinzhong, Lu Yanghui, Liu Wei   +5 more
doaj  

A review on the field‐modulated magnetic gears: Development status, potential applications, and existent challenges

IET Electric Power Applications
As a type of magnetic device being able to realize contact‐free power transmission together with sufficient volumetric torque density, the field‐modulated magnetic gear (FMMG) has become a promising alternative to the mechanical gear having rigid ...
Bo Yan, Xianglin Li, Xiuhe Wang, Yubo Yang   +3 more
doaj   +1 more source

Elucidation on step-out phenomenon of magnetic strain wave gear by multi flexible body dynamics and displacement measurement

Nihon Kikai Gakkai ronbunshu
Lower limb exoskeletons with actuators aid physically challenged individuals in walking. We had developed a novel, lighter than conventional, magnetic strain wave gear for exoskeletons.
Fumiya KITAYAMA, Ryou KONDO, Riku ENDO
doaj   +1 more source

Rigorous Electromagnetic Quasinormal‐Mode Method Made Easy for Users

Laser &Photonics Reviews, EarlyView.
We present a method that combines numerical techniques with accurate approximations to enable simple and ultrafast computations of the scattered field based on quasinormal modes expansions. The method is made available in the open‐source package MANlite implemented within COMSOL.
Tong Wu, Philippe Lalanne
wiley   +1 more source

Thermal analysis and temperature evaluation on a magnetic‐geared dual‐rotor machine

IET Electric Power Applications
The thermal performance of the magnetic‐geared dual‐rotor machine (MGDRM) is investigated. Because the effective component in the outer airgap magnetic field harmonics is low, the torque production of MGDRM cannot match the regular permanent magnetic ...
Minghao Tong, Xiaoqiang Liu, Le Sun
doaj   +1 more source

Electromagnetic and magnetic transmission (a reducer and multiplier) with possibility of transfer of the torque in tight volumes

Известия высших учебных заведений: Проблемы энергетики, 2017
In this article the review of decisions on electromagnetic and magnetic gear mechanisms, including for transfer of the torque to tight volumes is presented.
A. U. Afanasiev, N. V. Davydov
doaj   +1 more source

Voice and Speech in Atypical Parkinsonian Disorders

Movement Disorders Clinical Practice, EarlyView.
Background Motor speech disorders are early, common, and functionally limiting features of atypical parkinsonian disorders (APDs) such as progressive supranuclear palsy (PSP), corticobasal syndrome (CBS), and multiple system atrophy (MSA). These impairments are underrecognized and undertreated in neurology clinics.
Federico Rodriguez‐Porcel, Farwa Ali, Michiko Bruno, Heather Davis Cuevas, Rohit Dhall, Kylie Dunne‐Platero, Lawrence I. Golbe, Ihtsham Haq, Nicole Herndon, Lawrence S. Honig, Kyurim Kang, Sarah Kremen, Guillaume Lamotte, Nikolaus R. McFarland, Michela Mir, Leila Montaser‐Kouhsari, Alexander Pantelyat, Joel Page, Hylan Pickett, Laura Purcell Verdun, Kelly Richardson, Jessica Shurer, Michelle Troche, Rene L. Utianski, Katya Villarreal‐Cavazos, Tuhin Virmani, Anne‐Marie Wills, as the Diagnosis and Treatment Working Group, CurePSP Center of Care (CoC) Network, Farwa Ali, Michiko Bruno, Timothy Chang, Rohit Dhall, Kimiko Domoto‐Reilly, Lawrence I. Golbe, Ihtsham Haq, Lawrence S. Honig, Sarah Kremen, Guillaume Lamotte, Zoltan Mari, Nikolaus R. McFarland, Leila Montaser‐Kouhsari, Alexander Pantelyat, Federico Rodriguez‐Porcel, Junaid Siddiqui, Jessica Shurer, Christopher Spears, Tuhin Virmani, Anne‐Marie Wills   +48 more
wiley   +1 more source

Investigation of transmission characteristic for harmonic magnetic gears considering dynamic eccentricity using magnetic equivalent circuit

IET Electric Power Applications
Harmonic magnetic gears (HMGs) have the advantage of lubrication‐free, high speed ratio and high torque density, which make it an attractive solution for safety critical applications. Due to eccentricity caused by machining and assembly, HMG suffers from
Bingchu Li, Jiahao Shi, Shuangyuan Wang, Chengliang Liu   +3 more
doaj   +1 more source

The use of cement leftovers from the hollow of spun piles as an additive in self-compacting concrete [PDF]

, 2018
Spun piles have been used widely by developing countries, including Malaysia, to construct the foundation of most construction projects. A spun pile is a reinforced precast and prestressed concrete that is compacted in a mould through spinning compaction.
Adnan, Suraya Hani, Adnan, Suzana Wati, Jamellodin, Zalipah, Osman, Mohamad Hairi, Zakaria, Muhammad Shukri   +4 more
core   +1 more source