Results 101 to 110 of about 664,878 (351)

ESC PWM Fullbridge Motor DC Berbasis Arduino

open access: yesProtek: Jurnal Ilmiah Teknik Elektro
The problem with DC motors is speed regulation, adjusted to the needs in the field. The speed of a DC motor can be changed by adjusting the motor voltage. To overcome this, the motor voltage is regulated using Pulse Wide Modulation (PWM).
budi pramono jati, Jenny Putri Hapsari
doaj   +1 more source

Magnification of starting torques of dc motors by maximum power point trackers in photovoltaic systems [PDF]

open access: yes
Direct current (dc) motors are used in terrestrial photovoltaic (PV) systems such as in water-pumping systems for irrigation and water supply. Direct current motors may also be used for space applications.
Appelbaum, Joseph, Singer, S.
core   +1 more source

Application of advanced materials to rotating machines [PDF]

open access: yes, 1983
In discussing the application of advanced materials to rotating machinery, the following topics are covered: the torque speed characteristics of ac and dc machines, motor and transformer losses, the factors affecting core loss in motors, advanced ...
Triner, J. E.
core   +1 more source

Spatial and Volumetric Characteristics of Glioblastoma: Associations With Clinical Presentation and Survival

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective We aim to comprehensively analyze how regional tumor and edema characteristics are associated with clinical presentations and survival outcomes in a large cohort of glioblastoma patients. Methods Patients with IDH‐wildtype glioblastoma who received brain MRI from 2010 to 2023 were included.
Daniel J. Zhou   +15 more
wiley   +1 more source

Speed Control of DC Motor using AC/AC/DC Converter Based on Intelligent Techniques

open access: yesTikrit Journal of Engineering Sciences, 2013
   This paper describes the application of ac/ac/dc and ac/dc converters to control the speed of a separately excited DC motor. Artificial neural network and PI controller are trained to select the desired values of firing angles for triggering ...
Rakan Kh Antar
doaj  

Combining Three Peripheral Blood Biomarkers to Stratify Rheumatoid Arthritis–Associated Interstitial Lung Disease Risk

open access: yesArthritis Care &Research, EarlyView.
Objective The purpose was to evaluate a biomarker score consisting of MUC5B rs35705950 promoter variant, plasma matrix metalloproteinase‐7 (MMP‐7), and serum anti–malondialdehyde‐acetaldehyde (anti‐MAA) antibody for rheumatoid arthritis (RA)–associated interstitial lung disease (ILD) risk stratification.
Kelsey Coziahr   +16 more
wiley   +1 more source

Brush Less Dc Motor

open access: yes, 2019
Permanent Magnet PM Brushless DC BLDC motors have been widely used in industrial drives due to their high performance, high torque density and low acoustic noise. Cogging torque in these motors is caused by the reluctance change between the stator teeth and the rotor magnets.
Sd. Salman, T. Rajesh, B. Archana
openaire   +1 more source

Discordance Between Patient and Physician Global Assessments in Early Systemic Sclerosis

open access: yesArthritis Care &Research, EarlyView.
Objective This study aims to identify factors associated with patient global assessment (PtGA) and physician global assessment (PhGA) and discordance between them in systemic sclerosis (SSc). Methods Data from adults with early SSc (<5 years) from the Collaborative National Quality and Efficacy Registry were included.
Ellen Romich   +35 more
wiley   +1 more source

Optimal Control of DC motor using Equilibrium Optimization Algorithm [PDF]

open access: hybrid, 2020
Mamta Mamta   +1 more
openalex   +1 more source

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