Results 41 to 50 of about 1,059 (196)
A Review of Flywheel Energy Storage System Technologies and Their Applications [PDF]
, 2017 Energy storage systems (ESS) provide a means for improving the efficiency of electrical systems when there are imbalances between supply and demand. Additionally, they are a key element for improving the stability and quality of electrical networks. They
Bender +15 more
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Design and Analysis of a Fully Variable Valve Actuation System
Energies, 2020 With the problem of environmental pollution and energy shortage becoming more and more serious, the fuel efficiency of automobile engines has attracted much attention, and variable valve technology is one of the important technologies to solve this ...
Longxin Jiang +3 more
doaj +1 more source
Modeling and analysis of brushless DC motor system based on intelligent controllers [PDF]
, 2022 The constant innovative advancements of brushless DC motors (BLDCMs) have discovered a wide scope of utilizations. For instance, underground electric vehicles, drones, and submerged bikes have just confirmed elite BLDCMs.
Khudhair Abbas, Ahmed +2 more
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Position sensorless driving of BLDCM using neural networks
Electrical Engineering in Japan, 2004 AbstractA sensorless driving method of brushless DC motors (BLDCM) using neural networks has been studied in this paper. Considering the nonlinear characteristics and the parameter error of the modeling, neural networks are introduced to estimate the electromotive force (EMF).
Hai-Jiao Guo +2 more
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Design of BLDCM emulator for transmission control units [PDF]
AIP Conference Proceedings, 2018 According to the testing requirements of the transmission control unit, a brushless DC motor emulating system is designed based on motor simulation and power hardware-in-the-loop. The discrete motor model is established and a real-time numerical method is designed to solve the motor states.
Chang Liu, Yongyi He, Bodong Zhang
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Study on the Extent of the Impact of Data Set Type on the Performance of ANFIS for Controlling the Speed of DC Motor [PDF]
, 2019 This paper introduces an adaptive neuro-fuzzy inference system (ANFIS) for tracking SEDC motor speed in order to optimize the parameters of the transient speed response by finding out the perfect training data provider for the ANFIS.
Ahmed Mohamed, Mohamed Elhaj +1 more
core +2 more sources
Brushless DC Motor Current Prediction Torque Ripple Suppression
Journal of Harbin University of Science and Technology, 2020 Aiming at the torque ripple problem of brushless DC motor, a current predictive control method combined with commutation overlap method is proposed to suppress the commutation torque ripple Based on the analysis of the cause of the commutation torque ...
LDegang, ZHANG Chenguang, HOU Zhengdong
doaj +1 more source
Improved Four-Switch BLDCM Direct Current Control
Research Journal of Applied Sciences, Engineering and Technology, 2013 The main purpose of this study is to describe a low cost four-switch brushless dc motor (BLDCM) drive. An improved direct current controlled scheme is designed and implemented to produce the desired dynamic and static current and speed characteristics. Eight voltage vectors are summarized, which are selected to control BLDCM in SVPWM pattern.
Pan Lei +4 more
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Analytical and numerical calculation of magnetic field distribution in the slotted air-gap of tangential surface permanent-magnet motors [PDF]
, 2009 This paper deals with the analytical and numerical analysis of the flux density distribution in the slotted air gap of permanent magnet motors with surface mounted tangentially magnetized permanent magnets.
Boughrara Kamel +3 more
core +1 more source
Energies, 2022 The magnetic levitation reaction flywheel (MLRW) is a novel actuator of spacecraft attitude control because of its significant advantages, including lack of friction and active suppression of vibration.
Zan He, Tong Wen, Xu Liu, Yuchen Suo
doaj +1 more source