Results 41 to 50 of about 96,128 (310)

Position and Speed Tracking of DC Motor Based on Experimental Analysis in LabVIEW

open access: yesEngineering Proceedings, 2023
DC motors are widely used in industries to provide mechanical power in speed and torque. The position and speed control of DC motors is receiving interest from the scientific community in robotics, especially in robotic arms, a flexible joint manipulator.
Muhammad Ilyas   +2 more
doaj   +1 more source

Comparison of Two DC Motor Speed Observers on Sensorless Speed Control Systems

open access: yesJurnal Nasional Teknik Elektro dan Teknologi Informasi, 2022
In a sensorless motor speed control system, the motor speed is not directly measured using a speed sensor, but it is estimated using an observer. The sensorless speed control systems are mostly applied to AC motors, while they have not been widely ...
Bernadeta Wuri Harini, Martanto, Tjendro
doaj   +1 more source

Mechanical Fault Detection on Electrical Machine: Thermal Analysis of Small Brushed DC Motor with Faulty Bearing

open access: yesMATEC Web of Conferences, 2018
Direct current motors (DC motor) are used in the small electric devices commonly. DC motor are cheap and easy to install, thus their popularity. Despite the popularity, faults occur which make diagnosis and detection of faults very important.
Wahab Abbas A.   +2 more
doaj   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa   +2 more
wiley   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

Design issues of an IPM motor for EPS [PDF]

open access: yes, 2011
In electric power steering (EPS), permanent magnet (PM) brushless ac (BLAC) motors offer distinct advantages over other electric motor types in terms torque smoothness, reliability and efficiency.
Shen, Jian-Xin   +4 more
core   +1 more source

Control of separately excited DC motor with series multi-cells chopper using PI - Petri nets controller

open access: yesNonlinear Engineering, 2019
The separately excited Direct Current (DC) motor is widely used in many industrial sectors. During the operation of the DC motor, the load torque and the voltage of the network can cause a destabilization of the actual speed and actual current. Thus, the
Hamida Mohamed Lamine   +3 more
doaj   +1 more source

The role of miR‐335‐5p in the redifferentiation of BRAF p.V600E thyroid cancers

open access: yesMolecular Oncology, EarlyView.
The BRAF p.V600E mutation promotes thyroid cancer dedifferentiation and radioiodine resistance. Using a network approach, we identified miR‐335‐5p as a key regulator of BRAF‐mutated thyroid tumors. Restoring miR‐335‐5p increased thyroid‐specific gene expression and iodine uptake in cells and organoids.
Valeria Pecce   +11 more
wiley   +1 more source

Demo 20-09 DC Motor [PDF]

open access: yes, 2001
The DC motor illustrated in this demonstration uses a DC voltage on a coil that rotates in a magnetic field provided by a group of magnets, as shown in Figure 1.

core  

Vibration model as a system of coupled oscillators in a direct current electric motor [PDF]

open access: yesE3S Web of Conferences, 2019
This article describes a vibration model connected by individual nodes of a DC motor. The purpose of the article is a mathematical model allowing to predict the work of machines with a depreciation resource and search for ways to increase the information
Filina O. A.   +4 more
doaj   +1 more source

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