Results 91 to 100 of about 1,059 (196)

Investigation of the Vibration Effects on an Outer Rotor Brushless Direct Current Motor

open access: yesIEEE Access
Light electric vehicles used as scooters, electric bikes, tricycles and mini cars are mostly preferred today, especially in urban transportation. Outer rotor Brushless Direct Current Motor (BLDCM) is frequently used in the powertrain of light electric ...
Ali Sinan Cabuk
doaj   +1 more source

A low cost special circuit for brushless direct current motor controller

open access: yesDianzi Jishu Yingyong, 2019
In order to reduce the complexity of the internal circuit of brushless direct current motor(BLDCM) controller, a special circuit with simple structure is proposed, which can be used to drive the microcontroller of BLDCM.
Wang Xiaolei   +5 more
doaj   +1 more source

Wavelet Transform Based Fault Diagnosis of BLDC Motor Drive [PDF]

open access: yes, 2015
Due to the development in science and technology tremendous improvement in solid state devices and circuits, so we need to reduce the complexity of control circuits.
Muniraj, C.   +2 more
core   +1 more source

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

Magnetic Circuit & Torque Analysis Of Brushless DC Motor

open access: yesTikrit Journal of Engineering Sciences, 2013
      This work is concerned with magnetic and torque analysis of BLDCM and with development of a method of designing BLDCM that have symmetric winding on the rotor .make significant contribution to the rotor inductance position difficult.
Arif J. Abbas, Mohamed Rashid, Kais Wadi
doaj  

Nonlinear Tracking Control of Brushless DC Motors for High-Performance Applications [PDF]

open access: yes, 1989
The tracking control problem associated with brushless DC motors (BLDCMs) for high-performance applications is considered. To guarantee their high-dynamic-performance operation in motion control systems, the magnetic saturation and reluctance variation ...
Hemati, N., Leu, Ming-Chuan
core   +1 more source

Perancangan dan Implementasi Sistem Pengaturan Kecepatan Motor Arus Searah Tanpa Sikat Menggunakan Metode PID-Robust

open access: yesJurnal Teknik ITS, 2017
BLDCM merupakan suatu jenis motor sinkron yang artinya medan magnet yang dihasilkan oleh stator dan medan magnet yang dihasilkan rotor berputar di frekuensi yang sama.
Ahmad Fachrudin Istiananda
doaj  

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

CEOS Land Surface Imaging Constellation Mid-Resolution Optical Guidelines [PDF]

open access: yes
The LSI community of users is large and varied. To reach all these users as well as potential instrument contributors this document has been organized by measurement parameters of interest such as Leaf Area Index and Land Surface Temperature.
Keyes, Jennifer P., Killough, B.
core   +1 more source

Simulation Of Sinusoidal Commutation Of Brushless Motor For Starting Of Linear Engine - Generator [PDF]

open access: yes, 2010
To start a free-piston linear engine-generator (LG), it requires favorable amplitude and speed for combustion to occur. The LG is able to do reciprocating motion for starting.
Norazwan b. Bidin, Norazwan
core  

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