Results 41 to 50 of about 31,856 (231)

Fuzzy PID Control of Brushless Motors in Positive Pressure Respiratory Protective Masks

open access: yesJournal of Harbin University of Science and Technology
Positive pressure respiratory protection mask is used as individual protective equipment for health care workers to protect against the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2).
ZHAO Xintong   +3 more
doaj   +1 more source

Design of torque system for electric bicycle based on fuzzy PID

open access: yesThe Journal of Engineering, 2019
This article analyses the structure and working principle of the brushless DC motor, the advantages and disadvantages of PID regulation and fuzzy control are analysed as well, and puts forward the fuzzy PID motor control technology with both advantages ...
Yunhong Zheng   +2 more
doaj   +1 more source

Three-phase modular permanent magnet brushless machine for torque boosting on a downsized ICE vehicle [PDF]

open access: yes, 2005
The paper describes a relatively new topology of 3-phase permanent magnet (PM) brushless machine, which offers a number of significant advantages over conventional PM brushless machines for automotive applications, such as electrical torque boosting at ...
Howe, D., Wang, J.B., Xia, Z.P.
core   +1 more source

Development and Performance Investigation of the Direct Brushless Torque Motor

open access: yesCommunications, 2023
The paper deals with the brushless torque motor, that was designed for precise positioning device to substitute servo drive for high torque and low speed application.
Marek Franko   +4 more
doaj   +1 more source

Eddy-current loss in the rotor magnets of permanent-magnet brushless machines having a fractional number of slots per pole [PDF]

open access: yes, 2005
We develop an analytical model for predicting the eddy-current loss in the rotor magnets of permanent-magnet brushless machines that have a fractional number of slots per pole, when either all the teeth or only alternate teeth are wound, and in which the
Howe, D., Ishak, D., Zhu, Z.Q.
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

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

Controller for computer control of brushless dc motors [PDF]

open access: yes, 1981
A motor speed and torque controller for brushless d.c. motors provides an unusually smooth torque control arrangement. The controller provides a means for controlling a current waveform in each winding of a brushless dc motor by synchronization of an ...
Hieda, L. S.
core   +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

The design and development of a self-commutating stepper motor [PDF]

open access: yes, 1979
The system discussed adopts a well established and space proven motor, the 'stepper-motor' and shows that with simple commutation techniques it can be operated as a brushless dc motor at high ...
Dalley, K. R.
core   +1 more source

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