Results 81 to 90 of about 590 (183)

A Novel Region-Refinement Pulse Width Modulation Method for Torque Ripple Reduction of Brushless DC Motors

open access: yesIEEE Access, 2019
Brushless dc motors (BLDCMs) exhibit relatively large torque ripple due to the current pulsation during the commutation process. In this paper, first, the production mechanism of the commutation torque ripple is analyzed in detail, where the diode ...
Kai Liu, Zhiqiang Zhou, Wei Hua
doaj   +1 more source

An improved power quality based Sheppard–Taylor converter fed BLDC motor drive

open access: yes, 2015
This paper deals with the design and analysis of a power factor correction based Sheppard–Taylor converter fed brushless dc motor (BLDCM) drive. The speed of the BLDCM is controlled by adjusting the dc link voltage of the voltage source inverter (VSI ...
Singh, Bhim, Bist, Vashist
core   +1 more source

Analytical Routes to Chaos and Controlling Chaos in Brushless DC Motors

open access: yes, 2022
This study examines the dynamics in a brushless DC motor (BLDCM) and methods used to control potentially chaotic behavior or behavior similar to chaotic processes in these systems. Bifurcation diagrams revealed complex nonlinear behaviors over a range of
Shun-Chang Chang
core   +1 more source

Power factor correction in sensorless BLDC motor drive

open access: yes, 2014
This work presents a sensorless brushless DC motor (BLDCM) drive with power factor correction (PFC). The speed control of BLDCM is achieved by varying the DC bus voltage of the voltage source inverter (VSI) feeding BLDCM.
Singh, Bhim   +3 more
core   +1 more source

Modelling of BLDCM with a double 3-phase stator winding and back EMF harmonics

open access: yes, 2015
In this paper the mathematical model of the brushless DC motor (BLDCM) with a double 3-phase stator winding is analysed. Both the 3-phase windings are mutually displaced by 30 electrical degree.
Drozdowski Piotr, Drozdowski, P.
core   +1 more source

Current Spikes Minimization Method for Three-Phase Permanent Magnet Brushless DC Motor with Real-Time Implementation

open access: yesEnergies, 2018
Due to their high efficiency and low cost of maintenance, brushless DC motors (BLDCMs) with trapezoidal electromotive forces (back-EMFs), have become widely used in various applications such as aerospace, electric vehicles, industrial uses, and robotics.
Mohamed Dahbi   +2 more
doaj   +1 more source

Study on Control of Brushless DC Motor for Electric Vehicle

open access: yes, 2011
To deal with the control problem of brushless DC motor (BLDCM), based on analyzing the work principle of BLDCM, the fuzzy-PID control was studied, and the fuzzy-PID controller of BLDCM was designed.
Jia Jiang   +5 more
core   +1 more source

Commutation Torque Ripple Reduction for Brushless DC Motor Based on an Auxiliary Step-Up Circuit

open access: yesIEEE Access, 2019
There exists torque ripple in the commutation process of brushless DC motor (BLDCM), which seriously restricts its application in the high-performance field.
Xuliang Yao   +4 more
doaj   +1 more source

An Incorporated Control Strategy of Commutation and Conduction Torque Ripples Mitigation for BLDCM Drives in Household Appliances

open access: yesIEEE Access, 2019
In this paper, an incorporated control strategy of both commutation and conduction torque ripples mitigation for brushless DC machine (BLDCM) with the sinusoidal back electromotive force(EMF) is proposed to reduce the vibration and noise of household ...
Jiadan Wei, Peng Liu, Wenjie Tao
doaj   +1 more source

Home - About - Disclaimer - Privacy