Results 61 to 70 of about 1,760,822 (238)

Magnetic gear with intersecting axes and straight stationary pole-pieces

open access: yesAdvances in Mechanical Engineering, 2018
Based on the magnetic field modulation effect, this article presents a magnetic gear with intersecting axes and straight stationary pole-pieces. Except for a higher utilization of permanent magnets and a greater output torque, the magnetic gear with ...
Xiuhong Hao   +3 more
doaj   +1 more source

Review of Gastrointestinal Capsule Robots: Materials, Actuation, Diagnostics, and Therapeutics

open access: yesAdvanced Science, EarlyView.
This review examines gastrointestinal capsule robots through a systems engineering lens, covering shell materials, actuation and localization strategies, diagnostic modalities, therapeutic interventions, and commercialization status. By mapping the complete technological chain from fabrication to clinical deployment, this work identifies critical gaps ...
Zengsheng Li   +8 more
wiley   +1 more source

Structural Design and Transmission Performance Analysis of Double Modulated Coaxial Magnetic Gear

open access: yesJixie chuandong, 2019
Aiming at the problem of low transmission torque caused by the magnetic flux leakage phenomenon of the traditional magnetic gear permanent magnet,a coaxial magnetic gear model with double modulation structure is established based on the relative ...
Peng Wu, Zina Zhu, Kaiyuan Li
doaj  

THE DEVELOPMENT OF MAGNETIC GEARS FOR TRANSPORTATION APPLICATIONS [PDF]

open access: yesMobility and Vehicle Mechanics, 2017
The gears, where the power and torque transmissions are performed with no contact and with help of the magnetic forces, are called magnetic gears. With this gears, unlike the mechanical gear transmissions, there are no noise, vibrations and friction, so therefore, there is no need for lubrication and maintenance costs are considerably lower.
Miladinovic, Slavica   +3 more
openaire   +2 more sources

A Robotic Testing Platform for Pipelined Discovery of Resilient Dielectric Elastomer Actuators

open access: yesAdvanced Science, EarlyView.
This work introduces a robotic testing platform enabling high‐throughput, multi‐parameter lifetime mapping of linear dielectric elastomer actuators (DEAs). By integrating programmable high‐voltage control and automated electromechanical measurements, the system identifies material and operating conditions that double actuator lifetime.
Ang (Leo) Li   +10 more
wiley   +1 more source

Overview of Energy-Efficient Magnetic Gears in Electric and Hybrid Vehicles

open access: yesEnergies
Magnetic gears offer an energy-efficient alternative to conventional mechanical gears through magnetic fields rather than physical contact. A non-contact operation eliminates frictional losses, mitigates wear, and reduces vibration, noise and maintenance
Aten M. H. Chau   +3 more
doaj   +1 more source

Electromagnetic performance analysis of the umbrella shaping inner rotor coaxial magnetic gear with dual modulation rings

open access: yesEnergy Science & Engineering, 2022
The coaxial magnetic gear is a new type of noncontact transmission mechanism, which avoids the inherent defects of the mechanical gearbox due to gear meshing transmission.
Jun‐gang Wang   +3 more
doaj   +1 more source

Regulating Cells Fate and Function to Facilitate Bone Regeneration via Designing Programmable Bio‐Interactive Materials

open access: yesAdvanced Science, EarlyView.
This article aims to elucidate the biological mechanisms of bone repair and the evolution of material design, highlighting key cellular and molecular processes. It further proposes strategies and prospects for programmable bio‐interactive materials, which enable precisely guided bone tissue regeneration by dynamically regulating cell behavior and the ...
Qingrui Fan   +6 more
wiley   +1 more source

Design and Optimization of a Two-Stage Magnetically Geared Machine Comprising Radial-Flux and Axial-Flux Magnetic Gears

open access: yesActuators
Drive systems for robot joints must provide a high gear ratio within limited axial space. When two magnetic gears are axially stacked to form a two-stage transmission, the axial lengths of the individual stages accumulate. This paper therefore proposes a
Yixing Zhang   +3 more
doaj   +1 more source

Development of a Magnetic-Geared Permanent-Magnet Brushless Motor [PDF]

open access: yesIEEE Transactions on Magnetics, 2009
High-torque and low-speed electrical drives are often employed for applications where mechanical gearing cannot be accommodated. On the other hand, permanent-magnet (PM) gear has drawn significant attention from both academies and industries due to the conspicuous merits, such as reduced acoustic noise, maintenance free, improved reliability, precise ...
Wang, L. L.   +5 more
openaire   +2 more sources

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