Results 41 to 50 of about 1,489,059 (277)

A Sensorless Brushless DC Motor System.

open access: yesIEEJ Transactions on Industry Applications, 1991
AbstractThis paper describes a brushless dc motor system without position or speed sensor. The brushless motor consists of a permanent magnet synchronous motor and a voltage‐source inverter capable of controlling the amplitude and frequency of voltage.
Ogasawara, Satoshi   +2 more
openaire   +2 more sources

PI Controller of Speed Regulation of Brushless DC Motor Based on Particle Swarm Optimization Algorithm with Improved Inertia Weights

open access: yesMathematical Problems in Engineering, 2019
The brushless director current (DC) motor is a new type of mechatronic motor that has been developed rapidly with the development of power electronics technology and the emergence of new permanent magnet materials.
W. Xie, Jie-sheng Wang, Haibin Wang
semanticscholar   +1 more source

Analytical and numerical computation of air-gap magnetic fields in brushless motors with surface permanent magnets [PDF]

open access: yes, 2000
This paper extends the theory of the air-gap magnetic field in permanent-magnet (PM) brushless motors. Scalar and vector potential solutions to the field equations are brought together to unify many of the important practical methods already in use.
McGilp, M.I.   +4 more
core   +1 more source

Adaptive Observer of Resistance in Sensorless Estimation of Speed and Position in Brushless DC Electric Motor

open access: yesCybernetics and Information Technologies, 2019
Estimating the speed and position using measurable electrical parameters would allow establishment of sensorless control systems for brushless DC motors, without the need to use expensive sensors for the rotor position and speed.
Slavov Danail
doaj   +1 more source

A new sensorless method for switched reluctance motor drives [PDF]

open access: yes, 1998
This paper describes a new method for indirect sensing of the rotor position in switched reluctance motors (SRMs) using pulse width modulation voltage control.
Gallegos-Lopez, G.   +2 more
core   +1 more source

Application of the Ansys Electronics Desktop Software Package for Analysis of Claw-Pole Synchronous Motor

open access: yesMachines, 2019
The article presents the method of synthesis and analysis of the brushless motor with claw-poles. The motor is designed for the pilger mill drive for manufacturing seamless tubes.
Sergey Gandzha   +2 more
doaj   +1 more source

Efficiency analysis of BLDC motor for variable magnetic field

open access: yesMANAS: Journal of Engineering, 2022
With the developing technology, direct current motors have been widely used in industrial applications. The limited use of brushed models in some areas has made Brushless Direct Current Motors stand out.
Yıldırım Özüpak
doaj   +1 more source

Energy regeneration technique for electric vehicles driven by a brushless DC motor

open access: yesIET Power Electronics, 2019
The development of energy regeneration capability in electric vehicles can extend their driving range making them a competent alternative for conventional internal combustion engine vehicles. In this study, a novel energy regeneration technique, called a
M. Bahrami, H. Mokhtari, Amin Dindar
semanticscholar   +1 more source

One‐Shot Multimaterial 3D Printing of a Flexible Spine for a Robotic Fish Prototype

open access: yesAdvanced Intelligent Systems, EarlyView.
A one‐shot multimaterial 3D printing approach enables a monolithic soft robotic fish integrating a compliant spine and rigid vertebrae. Electromagnetic linear actuators drive tendon‐based transmission, producing controlled tail oscillations. Finite element modeling and experiments show strong agreement, while optimized material selection improves ...
Marco Colletta   +3 more
wiley   +1 more source

PM fractional machines adopting bonded magnets: effect of different magnetizations on the energetic performance [PDF]

open access: yes, 2012
The adoption of Permanent Magnets in small brushless machines for automotive applications is becoming frequent. Some research on bonded magnets is being carried on to substitute the ferrites.
P. Ferraris   +8 more
core   +1 more source

Home - About - Disclaimer - Privacy