Results 131 to 140 of about 2,967,183 (293)

Estimation of Synchrophasors in Intelligent Electrical Networks: from Models to Design Restrictions

open access: yesRevista Elektrón, 2017
We first present a detailed review of two popular classes of model based synchrophasor estimators. They are the discrete Fourier transform (DFT) and the Taylor-Fourier transform (TFT) class estimators, which arise from constant or polynomial phasor ...
Francisco Javier Messina   +2 more
doaj  

Augmented Lagrangians in Semi-Infinite Programming

open access: yes, 2008
We consider the class of semi-infinite programming problems which became in recent years a powerful tool for the mathematical modelling of many real-life problems.
Jan-J. Rückmann, et al.
core  

Laser‐Assisted Phase Engineering of 2D MoS2 for Efficient Solution‐Processed Electronics

open access: yesAdvanced Materials, EarlyView.
Here, local laser‐assisted phase transition from solution‐processed phase‐pure 1T′ to 2H MoS2 is shown to critically depend on the irradiation atmosphere. While processing in air leads to damaged insulating regions, inert conditions yield semiconducting 2H domains, enabling direct field‐effect transistor patterning with optimized lateral 1T′‐2H MoS2 ...
Anna Zhuravlova   +10 more
wiley   +1 more source

Trions as Fundamental Species in Chemically Doped Polymer Semiconductors

open access: yesAdvanced Materials, EarlyView.
This work shows that exciton–charge carrier coupling in doped polymer semiconductors gives rise to multi‐particle states, including trions—quasiparticles consisting of two holes and one electron under p‐doping—and bound exciton‐hole pairs, as identified through spectroscopic and theoretical analysis.
Hongmo Li   +23 more
wiley   +1 more source

Necessary optimality conditions for nonsmooth semi-infinite programming problems

open access: yes
Optimality condition, Semi-infinite programming, Nonsmooth analysis, Constraint qualification,
Nader Kanzi
core   +1 more source

Unveiling Exsolution‐Induced Giant Electronic and Magnetic Property Changes in Non‐Stoichiometric Titanate Perovskite Thin Films

open access: yesAdvanced Materials, EarlyView.
A giant insulator to metal transition and emergent superparamagnetism are revealed by nanoparticle exsolution in non‐stoichiometric titanate perovskite thin films. By combining transport, synchrotron spectroscopy, and first‐principles calculations, this work reveals how defect reconfiguration and lattice reconstruction fundamentally reshape electronic ...
Sungil Kim   +11 more
wiley   +1 more source

The L∞ exact penalty function in semi-infinite programming

open access: yes, 1989
An algorithm for semi-infinite programming using sequential quadratic programming techniques together with an L∞ exact penalty function is presented, and global convergence is shown.
Price, C. J., Coope, I. D.
core   +1 more source

Sustainable Poly(Lactic Acid)/Graphene Oxide Bioelectronic Platform for Neurotransmitters Sensing and Tunable Stimulation of Astrocytes

open access: yesAdvanced Materials, EarlyView.
This work introduces sustainable PLA/graphene oxide bioelectronic interfaces featuring electrodes with tunable conductivity and strong electrocatalytic performance. These platforms were used to implement a new method for tuning astrocyte Ca2+ signaling and for the efficient detection of key biomarkers.
Alessandra Scidà   +15 more
wiley   +1 more source

On generalized semi-infinite programming - Discussion

open access: yes, 2006
This paper surveys some basic properties of the class of generalized semi-infinite programming problems (GSIP) where the infinite index set of inequality constraints depends on the state variables and all emerging functions are assumed to be continuously
Tezel, A., Weber, Gerhard Wilhelm
core  

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