Results 51 to 60 of about 125 (110)

Research on the Bearingless Brushless DC Motor Structure with Like-Tangential Parallel-Magnetization Interpolar Magnetic Poles and Its Air-Gap Magnetic Field Analytical Calculation

Actuators
This work focuses on the small Bearingless Brushless DC Motor (BL-BLDCM), to solve the problems, such as larger commutation torque ripple and difficult solution of air-gap magnetic field, a novel BL-BLDCM structure with like-tangential parallel ...
Wenshao Bu, Zongang Fan, Jinghui Zhang, Wenqing Tao   +3 more
doaj   +1 more source

Brushless DC motor optimum speed control using TSA-PID strategy

Journal of Engineering and Applied Science
Due to the applied load torque variations, the electric Direct Current (DC) motors' speed has many more fluctuations. The main objective of this research is to study the speed control of Brushless DC Motors (BLDCMs) using a Proportional Integral ...
Suroor M. Dawood, Zaineb M. Alhakeem, Qabeela Q. Thabit, Raad Z. Homod   +3 more
doaj   +1 more source

A PERMANENT MAGNET SYNCHRONOUS WIND GENERATOR FOR VEHICULAR APPLICATION

Electrica, 2019
A driver for a brushless dc motor (BLDCM) which is supplied by a wind generator (WG) is proposed in this paper. The proposed system uses a buck converter with high efficiency and control unit for implementation maximum power point tracking (MPPT ...
Saeed Masoumi KAZRAJI, Saheb KHANABDAL, Mohammad Hosein HOLAKOOIE, Mohammad Bagher Bannae SHARIFIAN   +3 more
doaj   +2 more sources

Fault Diagnosis and Tolerant Control of Current Sensors Zero-Offset Fault in Multiphase Brushless DC Motors Utilizing Current Signals

Energies
To address the issue of control inaccuracy caused by the zero-offset fault in current sensors within the multiphase brushless DC motor (BLDCM) drive system, this paper proposes a fault diagnosis and fault-tolerant control method based on current signals.
Wei Chen, Zhiqi Liu, Zhiqiang Wang, Chen Li   +3 more
doaj   +1 more source

Commutation Torque Ripple Suppression Strategy of Brushless DC Motor Considering Back Electromotive Force Variation

Energies, 2019
This paper presents a commutation torque ripple suppression strategy for brushless DC motor (BLDCM) in the high-speed region, which considers the back electromotive force (back-EMF) variation during the commutation process. In the paper, the influence of
Xinmin Li, Guokai Jiang, Wei Chen, Tingna Shi, Guozheng Zhang, Qiang Geng   +5 more
doaj   +1 more source

Design and analysis of ground-based operation test bench for complex optical machine functional components

AIP Advances, 2019
In order to solve the problem of high cost investment in the detection and debugging of complex optical machine functional components by Unmanned aerial vehicle (UAV), especially the aerial camera, a novel ground-based operational test bench is presented
Jieqiong Lin, Qing Guo, Mingming Lu, Allen Yi, Minghui Gao, Chenping Jiang, Xuemei Yang   +6 more
doaj   +1 more source

Full-Stokes Retrieving and Configuration Optimization in a Time-Integration Imaging Polarimeter. [PDF]

Sensors (Basel), 2022
Gu N, Lian B, Xiao Y, Huang L.
europepmc   +1 more source

Development of an Improved Controller for Brushless DC Motor Drive Systems Combining Decision Tree and Sliding Mode Theory

Information
To enhance drive performance, this paper introduces an advanced speed controller architecture intended for a brushless DC motor (BLDCM) operating under field-oriented control (FOC).
Kuei-Hsiang Chao, Yu-Hong Guo, Chin-Tsung Hsieh   +2 more
doaj   +1 more source

Torque Ripple Suppression of Brushless DC Motor Drive System Based on Improved Harmonic Injection Active Disturbance Rejection Control. [PDF]

Sensors (Basel), 2022
He J, Yan C, Wang X.
europepmc   +1 more source

Quadrature-Phase-Locked-Loop-Based Back-Electromotive Force Observer for Sensorless Brushless DC Motor Drive Control in Solar-Powered Electric Vehicles

Applied Sciences
This work presents a sensorless brushless DC motor (BLDCM) drive control, optimized for solar photovoltaic (PV)- and battery-fed light electric vehicles (LEVs). A back-electromotive force (EMF) observer integrated with an enhanced quadrature-phase-locked-
Biswajit Saha, Aryadip Sen, Bhim Singh, Kumar Mahtani, José A. Sánchez-Fernández   +4 more
doaj   +1 more source