Results 71 to 80 of about 912,294 (242)

Energy Efficient Control of Electric Motors

, 2021
This paper presents development of an optimal feedback linearization control (OFLC) for interior permanent magnet (PM) synchronous machines operating in a non steady-sate operating point, i.e., varying torque and speed, to achieve precision tracking performance and energy saving by minimizing the copper loss.
openaire   +2 more sources

The U.S. Motor Vehicle Industry: Confronting a New Dynamic in the Global Economy [PDF]

, 2010
[Excerpt] This report provides an in-depth analysis of the 2009 crisis in the U.S. auto industry and its prospects for regaining domestic and global competitiveness.
Canis, Bill, Yacobucci, Brent D
core   +2 more sources

AQUIFER Nano-Electrofuel Energy Economy and Powered Aircraft Operations [PDF]

The Aqueous, QUick-charging battery Integration For Electric flight Research project is explained and the major subsystems are described, including nano-electric fluid, rim-driven motors, and integration concepts. The nano-electric fluid concept is a new
Lechniak, Jason A., Morello, Joseph, Papathakis, Kurt V., Salazar, Michael, Waddell, Abbigail   +4 more
core   +1 more source

Molecular junctions and molecular motors: Including Coulomb repulsion in electronic friction using nonequilibrium Green's functions

, 2018
We present a theory of molecular motors based on the Ehrenfest dynamics for the nuclear coordinates and the adiabatic limit of the Kadanoff-Baym equations for the current-induced forces.
Hopjan, M.,, Lund University., Perfetto, E.,, Stefanucci, G.,, Verdozzi, C.,   +4 more
core   +1 more source

An Improved Big Bang-Big Crunch Algorithm for Estimating Three-Phase Induction Motors Efficiency [PDF]

Journal of Operation and Automation in Power Engineering, 2016
Nowadays, the most generated electrical energy is consumed by three-phase induction motors. Thus, in order to carry out preventive measurements and maintenances and eventually employing high-efficiency motors, the efficiency evaluation of induction ...
Mehdi Bigdeli, Davood Azizian, Ebrahim Rahimpour   +2 more
doaj  

Methodological Aspects of Reliability Assessment of Asynchronous Motors under Current Operation Conditions at Mineral Resources Enterprises [PDF]

E3S Web of Conferences
At present, the focus is on solving the urgent problem of reliable performance of power system elements and ensuring their efficient operation during mining.
Romanova Victoria, Batukhtin Andrey, Khromov Sergey, Alzakkar Ahmad   +3 more
doaj   +1 more source

Compact Measurement Station for Low Energy Proton Beams

, 2016
A compact, remote controlled, cost efficient diagnostic station has been developed to measure the charge, the profile and the emittance for low energy proton beams.
Alacakir, A., Aydin, Y. A., Dimov, V. A., Ogur, S., Oz, S., Ozbey, A., Sunar, E., Turemen, G., Unel, G., Yasatekin, B., Yildiz, H.   +10 more
core   +1 more source

Line-Start Permanent Magnet Synchronous Motors: Evolution, Challenges, and Industrial Prospects

Energies
Line-Start Permanent Magnet Synchronous Motors (LSPMSMs) offer a hybrid solution that combines the high efficiency of permanent magnet motors with the self-starting capability of induction machines.
Yahia Ould Lahoucine, Reiko Raute, Cedric Caruana   +2 more
doaj   +1 more source

Combined electric applications in transport [PDF]

, 2008
Maximizing the efficiency in transport vehicles will be a necessity. This may be realized by introducing a power electronic conversion between the Internal Combustion Engine (ICE) and the wheels. Hence the ICE may be used at its maximal efficiency point.
Van den Bossche, Alex
core   +1 more source

Energy conversion in isothermal nonlinear irreversible processes - struggling for higher efficiency

, 2017
First we discuss some early work of Ulrike Feudel on structure formation in nonlinear reactions including ions and the efficiency of the conversion of chemical into electrical energy.
Ebeling, W., Feistel, R.
core   +1 more source