Results 11 to 20 of about 235,062 (144)

Genetic Algorithm-Based Commutation Angle Control for Torque Ripple Mitigation in Switched Reluctance Motor Drives

open access: yesIEEE Access, 2023
This work addresses the application of the Genetic Algorithm (GA) technique to optimize the commutation angles of a 2 kW 8/6 switched reluctance machine (SRM). The primary goal is to reduce the well-known drawback of SRMs: the torque ripple. Firstly, the
Renata Rezende C. Reis   +3 more
doaj   +2 more sources

Direct Instantaneous Torque Control of SRM Based on a Novel Multilevel Converter for Low Torque Ripple

open access: yesWorld Electric Vehicle Journal, 2023
The torque ripple of a switched reluctance motor (SRM) limits its application in electric vehicles. This paper proposes a DITC system for SRMs based on a novel multilevel converter (MLC), which aims at the problem that the torque ripple cannot be ...
Yan Cai   +4 more
doaj   +2 more sources

A New Approach of Minimizing Commutation Torque Ripple for BLDCM

open access: yesEnergies, 2017
The properties of brushless DC motor (BLDCM) are similar to the fractional, slot-concentrated winding of permanent-magnet synchronous machines, and they fit well for electric vehicle application.
Bo Tan   +3 more
doaj   +2 more sources

Harmonic Analysis on Torque Ripple of Brushless DC Motor Based on Advanced Commutation Control [PDF]

open access: yesJournal of Control Science and Engineering, 2018
This paper investigates the relationship between current, back electromotive force (back-EMF), and torque for permanent-magnet brushless DC (PM BLDC) motors under advanced commutation control from the perspective of harmonics.
Yanpeng Ji, Bin Li, Jingcheng Sun
doaj   +2 more sources

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

open access: yesEngineering 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 suppression in non‐commutation interval of the coreless brushless DC motor based on unipolar PWM predictive control

open access: yesIET Power Electronics
Aiming at the torque ripple caused by significant current ripple and non‐ideal back‐electromotive force (back‐EMF) of coreless brushless DC motor (BLDCM), an incremental predictive control strategy based on unipolar pulse width modulation (PWM) is ...
Chong Zeng   +3 more
doaj   +2 more sources

Commutation Torque Reduction Strategy of Brushless DC Motor Based on Single-Input Dual-Output Cuk Converter

open access: yesMachines, 2022
Based on the Single-Input Dual-Output (SIDO) Cuk converter, a novel commutation torque ripple suppression strategy is proposed for a brushless DC motor (BLDCM).
Xinmin Li   +4 more
doaj   +2 more sources

A Novel Method for Commutation Torque Ripple Reduction of Four-Switch, Three-Phase Brushless DC Motor Drive

open access: yesIranian Journal of Electrical and Electronic Engineering, 2007
This paper presents an original study on the generated torque ripples of phase commutation in the Four-Switch, Three-Phase Inverter (FSTPI) Brushless DC (BLDC) motor drive which is suitable for low cost applications.
A. Halvaei-Niasar   +2 more
doaj   +1 more source

Torque Ripple Mitigation of T-3L Inverter Fed Open-End Doubly-Salient Permanent-Magnet Motor Drives Using Current Hysteresis Control

open access: yesEnergies, 2019
A torque ripple mitigation and current hysteresis control for T-type three level (T-3L) inverter fed open-end doubly-salient permanent-magnet motor (DSPM) drives is proposed in this paper.
Hongliang Liu   +4 more
doaj   +2 more sources

Torque ripple reduction of a direct-drive permanent-magnet synchronous machine by material-efficient axial pole pairing [PDF]

open access: yes, 2011
This paper investigates a material-efficient axial pole pairing method for torque ripple reduction in a direct-drive outer-rotor surface-mounted permanent-magnet synchronous machine.
Patrick Chi-Kwong Luk   +3 more
core   +1 more source

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