Results 11 to 20 of about 184,587 (296)

High-Torque-Density IPMSM Rotor Pole Geometry Adjustment for Smooth Torque [PDF]

open access: yesIEEE Access, 2019
High-torque-density electrical machines applied to traction operate at a varying torque and speed, and therefore, when minimizing the torque ripple, a wide variety of possible loads must be considered.
Ilya Petrov   +4 more
doaj   +2 more sources

Simultaneous improvement of cogging torque and torque density in axial flux‐switching permanent magnet motor

open access: yesIET Electric Power Applications, 2023
Axial Flux‐Switching Permanent Magnet motors are broadly used in various industrial applications due to their high torque density and low rotor inertia.
Hamid Ebrahimi   +2 more
doaj   +2 more sources

High Torque Density Permanent Magnet Brake

open access: yesJournal of Physics: Conference Series, 2021
Abstract As the braking device of the aircraft electromechanical actuation system, the brake is a vital link in the aircraft attitude change or function adjustment. Among them, the permanent magnet brake has attracted extensive attention in the field of aerospace technology because of its advantages of low energy consumption and high ...
Qiang Yue, Hao Qian
openaire   +1 more source

Spin-transfer torque in helical spin-density waves [PDF]

open access: yesPhysical Review B, 2009
6 pages 2 ...
Wessely, O., Skubic, B., Nordstrom, L.
openaire   +2 more sources

Spin Transfer Torques in MnSi at Ultralow Current Densities [PDF]

open access: yesScience, 2010
Spin Control Controlling and manipulating the spin of an electron is a central requirement for applications in spintronics. Some of the challenges researchers are facing include efficient creation of spin currents, minimization of Joule heating, and extending the lifetime of electronic spins, which is especially important for ...
Jonietz, F.   +12 more
openaire   +7 more sources

Analysis and Design Optimization of V-Shaped Permanent Magnet Vernier Motor for Torque Density Improvement

open access: yesIEEE Access, 2021
This paper presents an inner rotor vernier motor featuring the V-shaped permanent magnet (PM) rotor topology; the torque performance of the proposed motor is compared to that of a conventional V-Shaped interior PM motor.
Hamza Ahmad, Jongsuk Ro
doaj   +1 more source

High-Torque Density Design of Small Motors for Automotive Applications with Double Axial-Air-Gap Structures

open access: yesEnergies, 2022
This paper describes the results of studies on higher torque density of automotive auxiliary motors based on electromagnetic field analysis. Dual stator axial-gap PM motors achieve higher torque density than radial-gap motors in a flat motor shape ...
Akihisa Hattori   +2 more
doaj   +1 more source

Iron loss in permanent-magnet brushless AC machines under maximum torque per ampere and flux weakening control [PDF]

open access: yes, 2002
The airgap flux density distribution, flux density loci in the stator core, and the associated iron loss in two topologies of brushless AC motor, having a surface-mounted magnet rotor and an interior-mounted magnet rotor, respectively, are investigated ...
Chen, Y.S., Howe, D., Zhu, Z.Q.
core   +1 more source

Correlation between Implant Geometry, Bone Density, and the Insertion Torque/Depth Integral: A Study on Bovine Ribs

open access: yesDentistry Journal, 2019
During insertion of dental implants, measurement of dynamic parameters such as the torque-depth curve integral or insertion energy might convey more information about primary stability than traditional static parameters such as the insertion or removal ...
Danilo Alessio Di Stefano   +5 more
doaj   +1 more source

High Torque Density Torque Motor With Hybrid Magnetization Pole Arrays for Jet Pipe Servo Valve

open access: yesIEEE Transactions on Industrial Electronics, 2020
Torque motor is one key component that directly influences the dynamic performance of jet pipe servo valve in aircraft. In this paper, a novel torque motor with hybrid-magnetization pole arrays is proposed. By changing the magnetization patterns of permanent magnets, the torque motor can significantly improve the output torque by range of 47–52 ...
Qiongfang Zhang   +5 more
openaire   +2 more sources

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