Results 241 to 250 of about 170,878 (300)

Exploring carbon nanotube-copper composites for enhanced induction motor design in electrical vehicles. [PDF]

Sci Rep
Akbar H, Abro GEM, Baloch SK, Khan TA, Memon I, Nasir H, Memon SA.   +6 more
europepmc   +1 more source

Highly efficient current-induced domain wall motion in a room temperature van der Waals magnet. [PDF]

Nat Commun
Guan Y, Wu Y, Zhang Y, Jeon JC, Zhang W, Xiao K, Parkin SSP.   +6 more
europepmc   +1 more source

Analysis of Stator Material Influence on BLDC Motor Performance. [PDF]

Materials (Basel)
Ziemiański D, Chwalik-Pilszyk G, Dudzik G.   +2 more
europepmc   +1 more source

Thermomagnetic cooling for high power / torque density electrical machines

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A Rotary Ultrasonic Motor Operating in Torsional/Bending Modes With High Torque Density and High Power Density

IEEE Transactions on Industrial Electronics, 2021
In this article, to achieve high torque density and high power density of rotary ultrasonic motors (USMs), we develop a rod-shaped transducer operating in torsional/bending (T/B) modes and excite two elliptical motions on its bilateral ends to drive the rotor orthogonally pressed onto the transducer. Here, the torsional vibration, the driving structure,
Jiang Wu, Yosuke Mizuno, Kentaro Nakamura   +2 more
exaly   +2 more sources

Torque density improvements for high performance machines

2013 International Electric Machines & Drives Conference, 2013
In this paper, the main aim is to propose and investigate possible methods for extending and improving the torque density capabilities of high performance, electrical machines. This is achieved by combining performance enhancing strategies such as the use of an outer rotor, the use of cobalt iron laminations and the adoption of high performance winding
M. Galea, T. Hamiti, C. Gerada
openaire   +1 more source

High Torque Density PM Machines for High Performance Operation

IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society, 2007
This paper looks at different construction methods and coil winding techniques for fractional slot, high torque density permanent magnet synchronous machines intended for high performance aerospace applications. Whilst mechanical gearing is often used to reduce the size and mass of an electromechanical system by operating the machine at high speeds ...
Chris Gerada, Keith Bradley, Chris Whitley, Graham Towers   +3 more
openaire   +1 more source

Realization of High Torque Density Encoderless Servo Drive System

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, 2019
This paper proposes an encoderless servo drive system including high torque density servomotor capable of handling large load, and high response and high accuracy saliency based sensorless drive technology. As an encoderless servomotor, the spoke type Interior Permanent Magnet Synchronous Motor (IPMSM) that is used for a general purpose servomotor is ...
Shinya Morimoto, Keita Shimamoto, Tsuyoshi Hanamoto   +2 more
openaire   +1 more source

Torque maximization in high-torque density multiphase drives based on induction motors

2010 IEEE Energy Conversion Congress and Exposition, 2010
Nowadays, there is an increasing interest towards multi-phase motor drives, i.e. with a number of phases greater than three, especially for medium and high power applications such as naval and railway propulsion systems.
CASADEI, DOMENICO, MENGONI, MICHELE, SERRA, GIOVANNI, TANI, ANGELO, ZARRI, LUCA   +4 more
openaire   +2 more sources