Results 41 to 50 of about 1,324,147 (348)

Electric-field control of spin-orbit torque in a magnetically doped topological insulator

, 2015
Electric-field manipulation of magnetic order has proved of both fundamental and technological importance in spintronic devices. So far, electric-field control of ferromagnetism, magnetization and magnetic anisotropy has been explored in various magnetic
Akyol, Mustafa, Chang, Li-Te, Che, Xiaoyu, Fan, Yabin, Kou, Xufeng, Lang, Murong, Liu, Jun, Montazeri, Mohammad, Murata, Koichi, Nie, Tianxiao, Pan, Lei, Shao, Qiming, Tang, Jianshi, Tserkovnyak, Yaroslav, Upadhyaya, Pramey, Wang, Kang L., Wang, Yong, Wong, Kin L., Yu, Guoqiang   +18 more
core   +1 more source

Review on Design of Electric Environment Control System for More Electric Aircraft

Hangkong gongcheng jinzhan, 2022
With the development of aircraft design toward more electricity,the development of electric environmental control system in more electric aircraft has received wide attention.This paper introduces the operation principle of Boeing B787 electric ...
YANG Jianzhong, OUYANG Jingpeng, CHEN Xiyuan, MENG Fanxin, WANG Lei, LIU Luxuan   +5 more
doaj   +1 more source

Non-linear MPC for winding loss optimised torque control of anisotropic PMSM

The Journal of Engineering, 2019
For a non-linear anisotropic permanent magnet synchronous machine (PMSM), a prediction model for model predictive control (MPC) considering effects like cross-coupling and saturation is developed in a straight forward procedure.
Christoph Schnurr, Sören Hohmann, Johannes Kolb   +2 more
doaj   +1 more source

Study on the fault ride through critical elements and coordinated control of DFIG's converters

The Journal of Engineering, 2019
The increasing of large-scale wind power integration capacity brings great challenges to the safe operation and management of power grid.
Bingjie Tang, Yongning Chi, Yongning Chi, Xinshou Tian, Yan Li   +4 more
doaj   +1 more source

Sub-cycle optical control of current in a semiconductor: from the multiphoton to the tunneling regime

, 2016
Nonlinear interactions between ultrashort optical waveforms and solids can be used to induce and steer electric current on a femtosecond (fs) timescale, holding promise for electronic signal processing at PHz frequencies [Nature 493, 70 (2013)].
Barth, Johannes V., Cabrini, Stefano, Ernstorfer, Ralph, Kapser, Stefan, Karpowicz, Nicholas, Kienberger, Reinhard, Kruchinin, Stanislav Yu., Muehlbrandt, Sascha, Paasch-Colberg, Tim, Reichert, Joachim, Sağlam, Özge, Schiffrin, Agustin, Yakovlev, Vladislav S.   +12 more
core   +1 more source

A Comparative Study of Cerebral Oxygenation During Exercise in Hemodialysis and Peritoneal Dialysis Patients

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Cognitive impairment and exercise intolerance are common in dialysis patients. Cerebral perfusion and oxygenation play a major role in both cognitive function and exercise execution; HD session per se aggravates cerebral ischemia in this population. This study aimed to compare cerebral oxygenation and perfusion at rest and in mild
Marieta P. Theodorakopoulou, Konstantina Dipla, Danai Faitatzidou, Fotini Iatridi, Areti Georgiou, Artemios Karagiannidis, Erasmia Sampani, Chrysostomos Dimitriadis, Aggelos Koutlas, Andreas Zafeiridis, Pantelis Sarafidis   +10 more
wiley   +1 more source

Arbitrary d–q current sharing in three-phase winding sets of multi-phase machines

The Journal of Engineering, 2019
This study proposes a technique for arbitrary current sharing between winding sets of any multiple three-phase machine by using a decoupled control in two-dimensional orthogonal vector space decomposition subspaces.
Ivan Zoric, Martin Jones, Emil Levi
doaj   +1 more source

Seamless switching power sharing control method in a hybrid DC‐AC microgrid by the isolated two‐stage converter based on SST

IET Power Electronics, 2021
To facilitate the application of various renewable generations as well as diversified loads, hybrid DC/AC microgrids have aroused widespread interest; however, direct access of different types of sources and loads to the utility through multiple ...
Yue Li, Yonggang Peng, Xiaoming Wang
doaj   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

FEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo, Carolin Ector, Hanspeter Herzel   +2 more
wiley   +1 more source

Strength through diversity: how cancers thrive when clones cooperate

Molecular Oncology, EarlyView.
Intratumor heterogeneity can offer direct benefits to the tumor through cooperation between different clones. In this review, Kuiken et al. discuss existing evidence for clonal cooperativity to identify overarching principles, and highlight how novel technological developments could address remaining open questions.
Marije C. Kuiken, Maartje Witsen, Emile E. Voest, Krijn K. Dijkstra   +3 more
wiley   +1 more source