Results 11 to 20 of about 2,788,198 (294)

Improving Speed Characteristics of High-Torque-Density Motors for Physical Human–Robot Interaction Using an Independent Three-Phase Winding Structure

open access: yesActuators
Recently, due to the decrease in labor force, increase in labor costs, and the desire for improved quality of life, research on robots has been actively conducted to address these issues.
Junghwan Park, Handdeut Chang
doaj   +2 more sources

A High Torque Density Dual-Stator Flux-Reversal-Machine with Multiple Poles Halbach Excitation on Outer Stator

open access: yesActuators
This paper proposes a high torque density dual-stator flux-reversal-machine with multiple poles Halbach excitation (MPHE-DSFRM), which uses two pole pairs’ numbers (PPNs) of PM excitation on one outer stator tooth, and one PPN of PM excitation on one ...
Siwei Tang   +3 more
doaj   +2 more sources

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   +3 more sources

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   +3 more sources

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

open access: yesIET Electric Power Applications
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

Impact of Flux-Modulated Rotor Design on Special Flux Density Harmonics in PS-DSPM for Cogging Torque Minimization [PDF]

open access: yesJournal of Applied Science and Engineering
High cogging torque caused by a fluctuating magnetic flux distribution in the partitioned stator doubly salient permanent magnet machines (PS-DSPM), due to their double air gap design, limits their application despite excellent torque density ...
Wilaiphorn Nokklang   +3 more
doaj   +2 more sources

THE ORIGIN OF THE NEGATIVE TORQUE DENSITY IN DISK-SATELLITE INTERACTION [PDF]

open access: yesThe Astrophysical Journal, 2012
18 pages, 6 figures, accepted to ...
Rafikov, Roman R., Petrovich, Cristobal
openaire   +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

Design and Performance Analysis of Permanent Magnet Synchronous Motor for Electric Vehicles Application [PDF]

open access: yesEngineering and Technology Journal, 2021
In electrical vehicle applications, power density plays a significant role in improving machine performance. The main objective of this paper is to design and analyze the performance of in-wheel outer rotor permanent magnet synchronous motor (PMSM) used ...
Mustafa Y. Bdewi   +2 more
doaj   +1 more source

Optimal Design of a Surface Permanent Magnet Machine for Electric Power Steering Systems in Electric Vehicle Applications Using a Gaussian Process-Based Approach

open access: yes, 2023
The efficient design optimization of electric machines for electric power steering (EPS) applications poses challenges in meeting demanding performance criteria, including high power density, efficiency, and low vibration.
Gilsu Choi   +5 more
core   +1 more source

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