Results 141 to 150 of about 1,489,059 (277)

Control motor brushless sensorless

open access: yes, 2015
The project involves the creation of a speed controller circuit for a brushless sensorless motor. The caracteristic factor of this type of electric motors is that they don't have brush to change the polarity of the windings and they have no sensors to know the real position of the rotor.
openaire   +2 more sources

Velocity control of a brushless DC motor

open access: yes, 1984
This thesis introduces the brushless dc motor as a motion control device and uses it to implement a variable speed velocity control system. The report discusses the structural arrangement of the machine itself, and the functional arrangement of a ...
Wrobel, James J.
core  

Current Controlled Brushless DC Motor Drive

open access: yes, 1989
Current-control strategies for a three-phase four-pole brushless dc motor are developed and analyzed. The brushless dc motor and the voltage-fed inverter used in the system are first described.
Abdal, Fadi
core  

Application of Synchronous Brushless Motors in Electric Hand Tools

open access: yes
In the paper the possibilities to apply synchronous brushless motors in the electric hand tools are considered. The potencial of such motors is estimated in a wide range of characteristics.
Pugačevs, Vladislavs   +3 more
core  

A Novel Coaxial Magnetic Gear and Its Integration With Permanent-Magnet Brushless Motor

open access: yesIEEE transactions on magnetics, 2016
Xiaoxu Zhang, Xiao Liu, Zhe Chen
semanticscholar   +1 more source

Manually operated brushless direct current motor

open access: yes, 2011
專利國別:美國United States Patent: 7,288,906Application number: 11/476,667國際分類號:H02P 1/18A manually operated brushless DC motor is disclosed herein, which is an educational electric motor and can overcome the shortcoming hard to visualize the movement of a ...
李慶烈
core  

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