Results 21 to 30 of about 559,003 (281)

Improved Mathematical Modeling of Six Phase Induction Machines Based on Fractional Calculus

open access: yesIEEE Access, 2021
Multiphase induction machine modelling represents a crucial research topic for both machine control and performance evaluation purposes. Generally, multiphase induction machines are preferably modelled using the vector space decomposition technique with ...
Ahmed M. Shata   +4 more
doaj   +1 more source

Space vector PWM technique for a two-level asymmetrical six-phase drive

open access: yesThe Journal of Engineering, 2019
A space vector pulse-width modulation (PWM) technique for a two-level asymmetrical six-phase drive is proposed for the first time in this study. The PWM technique is developed based on the modified vector space decomposition approach.
Engku Ahmad Rafiqi Bin Engku Ariff   +1 more
doaj   +1 more source

Depolarization of Vector Light Beams on Propagation in Free Space

open access: yesPhotonics, 2022
Nonparaxial propagation of the vector vortex light beams in free space was investigated theoretically. Propagation-induced polarization changes in vector light beams with different spatial intensity distributions were analyzed.
Nikolai Petrov
doaj   +1 more source

Uncovering Unique Concept Vectors through Latent Space Decomposition

open access: yes, 2023
Interpreting the inner workings of deep learning models is crucial for establishing trust and ensuring model safety. Concept-based explanations have emerged as a superior approach that is more interpretable than feature attribution estimates such as pixel saliency. However, defining the concepts for the interpretability analysis biases the explanations
Graziani, Mara   +4 more
openaire   +2 more sources

New Space Vector Selection Scheme for VSI Supplied Dual Three-Phase Induction Machine

open access: yesAdvances in Electrical and Computer Engineering, 2013
This paper presents a novel space vector selection scheme applicable for the control of dual three-phase induction motor drives supplied from a six-phase voltage source inverter (VSI).
MILICEVIC, D.   +3 more
doaj   +1 more source

Particle Number and 3D Schroedinger Holography [PDF]

open access: yes, 2013
We define a class of space-times that we call asymptotically locally Schroedinger space-times. We consider these space-times in 3 dimensions, in which case they are also known as null warped AdS.
Hartong, Jelle, Rollier, Blaise
core   +2 more sources

Fast decomposition on proper vectors in multidimensional space

open access: yesJournal of Physics: Conference Series, 2020
Abstract A recursive method to obtain proper vectors for a data set representation is proposed. This method faster than Karhunen-Loève expansion in SVD-realization for multidimensional space.
D N Gerasimov, S B Morgunova
openaire   +1 more source

An Evolutionary Algorithm for Many-Objective Optimization Based on Indicator and Vector-Angle Decomposition

open access: yesIEEE Access, 2020
The evolutionary algorithms for many-objective optimization based on reference-point decomposition are widely concerned since they generally maintain good performance on many optimization problems, however, most of these algorithms show insufficient ...
Wenjing Sun, Junhua Li
doaj   +1 more source

A Geometric Perspective on the Singular Value Decomposition [PDF]

open access: yes, 2015
This is an introductory survey, from a geometric perspective, on the Singular Value Decomposition (SVD) for real matrices, focusing on the role of the Terracini Lemma.
Ottaviani, Giorgio, Paoletti, Raffaella
core   +3 more sources

Decoupled Vector Space Decomposition Based Space Vector Modulation for Dual Three-Phase Three-Level Motor Drives [PDF]

open access: yesIEEE Transactions on Power Electronics, 2018
In this paper, a novel space vector modulation (SVM) strategy is proposed and designed for dual three-phase three-level motor drives based on vector space decomposition (VSD), which could be applied for high-power and high-reliability applications.
Zheng Wang   +3 more
openaire   +1 more source

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