Results 21 to 30 of about 69,460 (294)
Analysis of Permanent Magnet Motors in High Frequency—A Review
Applied Sciences, 2021 Electric drives consume a great amount of the world’s energy, and it will keep increasing due to the electromobility trend. Thus, the efficiency of electric drives must be improved to reach the desired sustainability goal.
Yerai Moreno +4 more
doaj +1 more source
A cascaded H-bridge BLDC drive incorporating battery management [PDF]
, 2007 A multilevel BLDC drive is proposed using cascaded H-bridges with isolated sources to provide superior output waveforms and reduced current ripple whilst incorporating observer based SoC estimation.
Bingham, Chris +3 more
core +1 more source
Infection-generated electric field in gut epithelium drives bidirectional migration of macrophages. [PDF]
, 2019 Many bacterial pathogens hijack macrophages to egress from the port of entry to the lymphatic drainage and/or bloodstream, causing dissemination of life-threatening infections. However, the underlying mechanisms are not well understood.
Ferreira, Fernando +14 more
core +2 more sources
Energies, 2020 Adjustable speed drives use Pulse Width Modulation (PWM) to switch DC-bus voltage for the synthesis of three-phase voltages to provide power to the permanent magnet synchronous motor (PMSM).
Muhammad Aqil, Jun-Hyuk Im, Jin Hur
doaj +1 more source
Method of Limiting Shaft Voltages in AC Electric Machines
Energies, 2021 The article presents a new method of counteracting shaft voltages and currents in AC electrical machines. It is based on the use of an auxiliary winding located in the stator of the machine.
Sebastian Berhausen, Tomasz Jarek
doaj +1 more source
Interplay between Josephson and Aharonov-Bohm effects in Andreev interferometers [PDF]
, 2018 Proximity induced quantum coherence of electrons in multi-terminal voltage-driven hybrid normal-superconducting nanostructures may result in a non-trivial interplay between topology-dependent Josephson and Aharonov-Bohm effects.
Dolgirev, Pavel E. +2 more
core +4 more sources
Contributions of the low-latitude boundary layer to the finite width magnetotail convection model [PDF]
, 1993 Convection of plasma within the terrestrial nightside plasma sheet contributes to the structure and, possibly, the dynamical evolution of the magnetotail.
Kivelson, M. G., Spence, Harlan E.
core +2 more sources
Applied Sciences, 2023 To research the deterioration of the mechanical properties of stirrup-corroded concrete columns under the effect of load and chloride, accelerated corrosion and load carrying capacity tests were carried out on concrete columns subjected to long-term ...
Xiaoping Zhong +6 more
doaj +1 more source
Rotors on Active Magnetic Bearings: Modeling and Control Techniques [PDF]
, 2012 In the last decades the deeper and more detailed understanding of rotating machinery dynamic behavior facilitated the study and the design of several devices aiming at friction reduction, vibration damping and control, rotational speed increase and ...
Bonfitto, Angelo +3 more
core +3 more sources
Analysis and Control of Slotless Self-Bearing Motor
Actuators, 2019 A self-bearing motor (SBM) is an electric motor with a magnetically integrated bearing function, that is, it can provide levitation and rotation simultaneously as a single actuator.
Huy Phuong Nguyen +4 more
doaj +1 more source