Results 31 to 40 of about 3,403,673 (242)

DNA-based tunable THz oscillator [PDF]

open access: yes, 2008
The intrinsic double helix conformation of the DNA strands is known to be the key ingredient of control of the electric current through the DNA by the perpendicular (gate) electric field.
A.V. Malyshev   +20 more
core   +4 more sources

Direct adaptive current control a universal current control scheme for electrical machines

open access: yesIECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society, 2014
This paper presents a direct, adaptive and parameter-free current control scheme that is independent of the motor type and doesn't need any machine parameters. A given setpoint can be reached accurately within one switching cycle.
Liske, Andreas, Braun, Michael
openaire   +3 more sources

Data-Driven Recursive Least Squares Estimation for Model Predictive Current Control of Permanent Magnet Synchronous Motors [PDF]

open access: yesIEEE transactions on power electronics, 2019
The performance of model predictive controllers (MPC) strongly depends on the quality of their models. In the field of electric drive control, white-box (WB) modeling approaches derived from first-order physical principles are most common. This procedure
Anian Brosch   +3 more
semanticscholar   +1 more source

Dahlin-Based Fast and Robust Current Control of a PMSM in Case of Low Carrier Ratio

open access: yesIEEE Access, 2019
The low ratio of sampling frequency to electrical frequency (carrier ratio) is a challenging issue for applications, such as high-speed or high-power drives.
Stefan Walz   +3 more
doaj   +1 more source

Steady‐state power operation region of a modular multilevel converter connecting to an AC grid

open access: yesHigh Voltage, 2021
The modular multilevel converter (MMC) has become a widely used topology for voltage source converter–based high‐voltage direct current transmission projects.
Jiecong Wang   +4 more
doaj   +1 more source

An Integral Battery Charger with Power Factor Correction for Electric Scooter [PDF]

open access: yes, 2009
This paper presents an integral battery charger for an electric scooter with high voltage batteries and interior-permanent-magnet motor traction drive.
Armando, Eric Giacomo   +2 more
core   +2 more sources

Femtosecond control of electric currents in metallic ferromagnetic heterostructures [PDF]

open access: yesNature Nanotechnology, 2016
The idea to use not only the charge but also the spin of electrons in the operation of electronic devices has led to the development of spintronics, causing a revolution in how information is stored and processed. A novel advancement would be to develop ultrafast spintronics using femtosecond laser pulses.
T. J. Huisman   +10 more
openaire   +5 more sources

Low cogging torque design and simplified model-free predictive current control for radial-flux dual three-phase permanent magnet electric machines

open access: yesAdvances in Mechanical Engineering, 2019
This study presents two improved designs of eccentric-shaped permanent magnets and teeth-shaped stators in radial-flux dual three-phase permanent magnet electric machines to reduce cogging torque and torque ripple.
Hsing-Cheng Yu   +3 more
doaj   +1 more source

Stability analysis and nonlinear current-limiting control design for DC micro-grids with CPLs

open access: yesIET Smart Grid, 2020
In this study, a DC micro-grid consisting of multiple paralleled energy resources interfaced by both bidirectional AC/DC and DC/DC boost converters and loaded by a constant power load (CPL) is investigated. By considering the generic dq transformation of
Andrei-Constantin Braitor   +3 more
doaj   +1 more source

Battery charging and discharging control of a hybrid energy system using microcontroller [PDF]

open access: yes, 2020
This study aims to control charging and discharging the battery for hybrid energy systems. The control system works by selecting the right energy source to supply voltage to the load. And also this control system can regulate charging and discharging the
Abu Bakar, Afarulrazi   +3 more
core   +3 more sources

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