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Direct torque control of brushless DC drives with reduced torque ripple [PDF]

open access: yesConference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting., 2005
The application of direct torque control (DTC) to brushless ac drives has been investigated extensively. This paper describes its application to brushless dc drives, and highlights the essential differences in its implementation, as regards torque ...
Howe, D., Liu, Y., Zhu, Z.Q.
core   +3 more sources

A simple overlap angle control strategy for reducing commutation torque ripple in a brushless DC motor drive

open access: diamondEngineering Science and Technology, an International Journal, 2017
A commutation torque ripple is generated in a brushless DC motor due to a finite time taken for current transfer between outgoing phase and incoming phase due to the phase inductance.
Chetan K. Lad, R Chudamani
doaj   +2 more sources

Torque Ripple Investigation in Squirrel Cage Induction Machines [PDF]

open access: green2019 IEEE International Electric Machines & Drives Conference (IEMDC), 2019
Low torque ripple of electrical machines is an important requirement for many different applications. The causes of torque fluctuations in squirrel cage asynchronous induction motors might be a challenging task due to the complex phenomena raised by the whole set of rotor bars.
A. Marfoli   +4 more
openaire   +5 more sources

Torque-ripple minimization in modular permanent-magnet brushless machines [PDF]

open access: yesIEEE International Electric Machines and Drives Conference, 2003. IEMDC'03., 2003
This paper discusses the suitability of four-phase, five-phase, and six-phase modular machines, for use in applications where servo characteristics and fault tolerance are key requirements.
Atallah, K., Howe, D., Wang, J.B.
core   +3 more sources

Reducing the net torque and flow ripple effects of multiple hydraulic piston motor drives [PDF]

open access: green, 1992
The torque and flow ripple effects which result when multiple hydraulic motors are used to drive a single motion of a mechanical device can significantly affect the way in which the device performs.
Bartos, R. D.
core   +2 more sources

Analysis of Torque Ripple in V-Shape Interior Permanent Magnet Machine Based on General Airgap Field Modulation Theory

open access: yesEnergies, 2023
This paper proposes a novel torque ripple model of V-Shape interior permanent magnet (IPM) synchronous machine based on the general field modulation theory (GAFMT).
Jiawei Zhou   +3 more
doaj   +1 more source

Torque Ripple Suppression of Switched Reluctance Motor with Reference Torque Online Correction

open access: yesMachines, 2023
High torque ripple dramatically affects the switched reluctance motor (SRM) application. To reduce the torque ripple, a reference torque neural network (RTNN) is proposed to adjust the reference torque online.
Benqin Jing   +3 more
doaj   +1 more source

A torque ripple reduction method using field current injection for doubly salient motor

open access: yesEnergy Reports, 2022
Doubly salient motor (DSM) is widely used owing to attractively in high-speed operation capability. However, there is a shortcoming of torque ripple for the non-sinusoidal nonlinear structure, for the purpose of solving this problem, this paper presents ...
Dailian Liao, Li Yu, Zhitian Liu
doaj   +1 more source

Optimization of torque ripples in direct torque control drives

open access: yesProceedings of the Russian higher school Academy of sciences, 2021
The article discusses the features of the synthesis of a hybrid method for commutation of a three-phase inverter in a classic version of drives with direct torque control (DTC), which involves the use of relay characteristics in the flux- and torque control blocks.
Andrey Kromm   +2 more
openaire   +2 more sources

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