Results 91 to 100 of about 484 (203)

Torque Ripple Suppression of Brushless DC Motors with Non-Ideal Back EMF for EPS Applications

, 2011
The torque ripple of brushless dc (BLDC) motors at low rotation speeds is prominent, while in the majority of working time of the automotive electric power steering (EPS) system, the steering rate is low and the assistant motor runs at low rotation ...
Xue Wu Ji, Feng Gao, Xue Feng Zhang
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Torque Ripple Reduction in BLDC Motors Using Phase Current Integration and Enhanced Zero Vector DTC

To improve commutation accuracy and effectively suppress torque ripple in brushless DC motors (BLDCMs), this paper presents a novel commutation correction strategy integrated into an enhanced direct torque control (DTC) framework.
Zhenjun Zhao, Guoqing Zhao, Xingwei Sa, Han Wu   +3 more
core   +1 more source

Minimization of torque ripple in switched reluctance motor drives using an enhanced direct instantaneous control

, 2012
Torque ripple is an inherent characteristic of switched reluctance motor drives due to its double salient geometry and it is a serious drawback in applications that require smooth torque and high dynamic performances.
P. Andrada, Blanqué Molina, Balduino, B. Blanqué, Castro Soriano, Javier, Andrada Gascón, Pedro, J. Castro   +5 more
core   +1 more source

Instantaneous Torque Control of Magnetically Suspended Reaction Flywheel

, 2016
With the requirement of spacecraft attitude control accuracy, the reaction flywheel is demanded deliver higher precision torque. To improve the torque-output precision of the magnetically suspended reaction flywheel, a new torque control method is ...
Kun, Liu, Jingbo, Wei, Jian, Feng
core   +1 more source

The electromagnetic performance of brushless permanent magnet DC motors - with particular reference to noise and vibration. [PDF]

, 1991
A comprehensive analytical technique is developed for predicting the instantaneous magnetic field distribution in radial-field, surface-mounted permanent magnet brushless DC motors under any load condition and commutation strategy.
Zhu, Zi-Qiang
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Control strategies applied for reducing the vibration and torque ripple of a special Switched Reluctance Motor

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
Despite its robustness the Switched Reluctance Motors (SRMs) present some inconvenient drawbacks as a major torque ripple, vibration and acoustic noise when compared to other types of motors.
D. A. P. Correa, W. M. da Silva, S. I. Nabeta, I. E. Chabu   +3 more
doaj   +1 more source

COMPARISON OF CONTROL STRATEGIES TO MINIMIZE THE TORQUE RIPPLE OF A SWITCHED RELUCTANCE MACHINE

, 1997
doi: 10.1080/07313569708955800International audienceABSTRACT The Switched Reluctance Machine (SRM) presents simple structure with passive rotor without windings nor any magnets.
Multon, B., Le Pioufle, Bruno, Cailleux, H.   +2 more
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A Novel LQI-Based Speed Control of Switched Reluctance Motors for High Performance Applications

IEEE Access
The increasing use of Switched Reluctance Machines (SRMs) across various applications has been driven by their notable advantages and advancements in power electronics.
Paulo M. Robson Costa, Marcelo Vinicius De Paula, Pedro J. Dos Santos Neto, Tarcio Andre Dos Santos Barros   +3 more
doaj   +1 more source

Research on Commutation Torque Ripple Suppression of Open-winding Brushless DC Motor

, 2019
The open-winding brushless dc motor has no neutral point, and the phase windings are electrically isolated, which can realize independent control of each phase.
Huang, Qi, Luo, Ling, Zhang Y(张远)
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Analysis and Experimental Results of Squarewave Current Shaping for Reducing Commutation Torque in SPM Motors

, 2002
In several applications where electrical motors are used, the torque ripple must be avoided, since it causes vibrations and acoustic noise. This paper deals with the analysis of the torque ripple of surface-mounted permanent magnet motors fed by ...
CERVARO, STEFANO, BIANCHI, NICOLA
core