Results 261 to 270 of about 259,844 (306)
Some of the next articles are maybe not open access.

Simple conditions for forming triangular grids

Neurocomputing, 2007
We have used simple learning rules to study how firing maps containing triangular grids-as found in in vivo experiments-can be developed by Hebbian means in realistic robotic simulations. We started from typical non-local postrhinal neuronal responses.
Bálint Takács, András Lörincz
openaire   +1 more source

A Variational Form of the Winslow Grid Generator

Journal of Computational Physics, 1997
The authors develop a 2-D structured grid generator. The method guarantees that all quadrilateral grid cells are convex at each step of the iterative process. Numerical results are presented for comparison with the Winslow method. A generalisation of the case is also presented.
Charakhch'yan, A. A., Ivanenko, S. A.
openaire   +2 more sources

The Topic/Form Grid

College Teaching, 1996
to imagine that they were a famous per son being questioned about their best writing experience. It could be a TV, radio, or magazine interview. "Include two people in this piece?yourself and the interviewer. Have fun." I wanted to see if a different form would jog people's thoughts. It did. the writing I got was alive and interesting. Why?
openaire   +1 more source

Modeling a Grid-Forming DFIG Wind Turbine

2023 IEEE 32nd International Symposium on Industrial Electronics (ISIE), 2023
This work was supported by the Spanish State Research Agency (AEI) under Grant PID2019-110956RB-I00/AEI/10.13039, the Public University of Navarre (UPNA) and Ingeteam Power Technology.
Iker Oraa   +3 more
openaire   +2 more sources

Grid-Forming Inverters: A Critical Asset for the Power Grid

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020
Increasing inverter-based sources reduces the system’s inertia resulting in possible frequency stability issues. Understanding low-inertia systems and their stability properties is of crucial importance. This article introduces fundamental ways to integrate high levels of renewable energy (RE) and distributed energy resources (DERs) in the power system
Robert H. Lasseter   +2 more
openaire   +1 more source

Stability Analysis of Grid-Following and Grid-Forming Converters Based on State-Space Modelling [PDF]

open access: yesIEEE Transactions on Industry Applications
This article conducts a comprehensive analysis and comparison of the control loops of the grid-following and grid-forming voltage source converters connected to the power grid.
Dao Zhou   +2 more
exaly   +2 more sources

Equivalence of grid forms: A case report

British Journal of Medical Psychology, 1983
L'auteur definit la technique des grilles d'evaluation et sa validite, pour mesurer l'etat psychologique des ...
openaire   +2 more sources

On the existence of form-closure configurations on a grid

Proceedings. 2000 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2000) (Cat. No.00CH37113), 2002
This paper shows that any polygonal part without parallel edges can be held in form closure by at most four point fingers on two perpendicular lines. The practical implication of this surprising result is that any such part can be held in form closure by at most four point fingers that are constrained to lie on a given regular grid of orthogonal lines ...
openaire   +2 more sources

Multigrid for Discrete Differential Forms on Sparse Grids

Computing, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Vasile Gradinaru, Ralf Hiptmair
openaire   +2 more sources

Multifunctional Grid-Forming Converter Control Based on a Disturbance Observer

open access: yesIEEE Transactions on Power Electronics
A multifunctional grid-forming control method based on a disturbance observer structure is proposed for grid converters. The proposed method has several different control modes, including the grid-forming, grid-following, and current control modes.
Tuure Nurminen   +2 more
exaly   +2 more sources

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