Results 241 to 250 of about 16,843,566 (279)

Targeted Modulation of Zn Deposition Behavior toward High-Performance Stable Zn Anodes. [PDF]

Nanomicro Lett
Zhang P, Wang M, Yang Y, Tian J, Huang M, Chen L, Wang J, Xu C, Jia D, Tan H, Liu H, Chao D, Zhou W.   +12 more
europepmc   +1 more source

Coffee endophytes: diversity, ecological functions, and application prospects in sustainable production. [PDF]

Front Plant Sci
Wei Q, Duan G, Sui L, Anwar S, Ao J, Liu G, Xu Z, Zhang C, Qi M, Li X, Zhao M, Wang B, Ge Y.   +12 more
europepmc   +1 more source

Field-oriented control of an induction machine with winding asymmetries

2012 15th International Power Electronics and Motion Control Conference (EPE/PEMC), 2012
Modern electrical AC drives with best available performances are based on the so-called fundamental wave machine model approaches. This paper introduces an upgrade of fundamental wave model approach by respecting both inherent and fault-induced deviations of machine flux from its fundamental component.
Lešić, Vinko, Vašak, Mario, Gulin, Marko, Perić, Nedjeljko, Joksimović, Gojko, Wolbank, Thomas   +5 more
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The universal field oriented controller

IEEE Transactions on Industry Applications, 1994
This paper synthesizes and develops a universal field oriented (UFO) controller for induction machines. The UFO controller decouples flux and torque in an arbitrary flux reference frame. Due to its high degree of generality the UFO controller lends itself to be fully compatible with all existing field oriented controllers, indirect as well as direct ...
R.W. de Doncker, D.W. Novotny
openaire   +1 more source

Indirect Field Oriented Control for Induction Motor

2011 Fourth International Conference on Emerging Trends in Engineering & Technology, 2011
Indirect Field Oriented Control (IFOC) is known to produce high performance in induction Motor (IM) drives by decoupling rotor flux and torque producing current components of stator current. The decoupling control between the rotor flux and the torque is no longer achieved in terms of stator current components this paper introduces a decoupled rotor ...
Rutuja S. Hiware, Jagdish G. Chaudhari
openaire   +1 more source

Field-oriented control induction machine and control by sliding mode

Simulation Practice and Theory, 1997
Abstract This paper deals with the implementation of an “optimal” field oriented control on an induction machine. In a first step, an optimal control law is applied, which minimizes the time, to establish the required flux for a field oriented control.
Mohamed Ouali, Mohamed B. A. Kamoun
openaire   +2 more sources

Fuzzy supervisory control of field oriented controlled AC drives

Proceedings of the 2002 American Control Conference (IEEE Cat. No.CH37301), 2002
The problem of setting an optimum flux reference for indirect vector controlled induction motors is addressed. The flux reference is generated using a fuzzy logic supervisor (FLS) which minimizes the power input to the motor in steady-state speed operations. The FLS is based on a simple search method.
Hossam A. Abdel Fattah, Mohamed M. Ismail, Ahmed Bahgat   +2 more
openaire   +1 more source

Bifurcation Control and Complex Dynamics in Field-Oriented Control of a PMSM

Journal of Circuits, Systems and Computers, 2019
The general purpose of this paper is to develop new aspects of bifurcation structures in a 3D parametric space. Identification of generic bifurcation structures in former studies was based on the arrangement of bifurcation curves in the parameter plane.
Wahid Souhail, Hédi Khammari, Mohamed Faouzi Mimouni   +2 more
openaire   +1 more source

Comparing the indirect field-oriented-control with a scalar method

Proceedings IECON '91: 1991 International Conference on Industrial Electronics, Control and Instrumentation, 1994
Two methods of induction motor control are examined. The indirect field-oriented (IFO) and the slip-control (SC) methods are formally compared. Their block diagrams are derived, analyzed and their similarities shown. It is demonstrated that the difference between the two is just due to a feedforward block that computes the current phase to be supplied ...
G. O. Garcia, Richard M. Stephan, Edson H. Watanabe   +2 more
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Field Oriented Control of Synchronous Machines

IETE Journal of Research, 1991
Although field orientation in induction machines is only 20 years old, the corresponding concept in synchronous machines dates back almost 60 years to the days of the thyratron tube. After a brief historical review, the basic theory of synchronous machine field orientation is outlined.
D W Novotny, P L Jansen
openaire   +1 more source