Results 31 to 40 of about 10,306,492 (319)

A Data-Driven Hybrid Methodology Using Randomized Low-Rank DMD Approximation and Flat-Top FIR Filter for Voltage Fluctuations Monitoring in Grid-Connected Distributed Generation Systems

open access: yesIEEE Access, 2023
The voltage fluctuations are caused by variations in renewable energy source outputs, increased usage of nonlinear loads, high reactive power consumption of loads, etc. This results in damage to electric components and enormous economic losses.
Neethu Mohan   +5 more
doaj   +1 more source

Stability of neural networks with non-instantaneous impulses and supremum [PDF]

open access: yesAIP Conference Proceedings, 2019
We consider the Hopfield’s graded response neural network in the case when the neurons are subject to a certain impulsive state displacement at fixed moments and the duration of this displacement is not negligible small (they are known as non-instantaneous impulses).
Snezhana Hristova   +2 more
openaire   +1 more source

Implicit Caputo fractional q-difference equations with non instantaneous impulses

open access: yesDifferential Equations & Applications, 2023
In the present article, we prove some existence results for a class of implicit Caputofractional q-difference equations with non instantaneous impulses in Banach spaces. The used techniques rely on the concepts of measure of noncompactness and the use of suitable fixed point theorems.
Abbas, Saïd   +2 more
openaire   +3 more sources

Running impact forces: from half a leg to holistic understanding – comment on Nigg et al.

open access: yesCurrent Issues in Sport Science, 2018
Running impact forces have immediate relevance for the muscle tuning paradigm proposed here and broader relevance for overuse injuries, shoe design and running performance. Here, we consider their mechanical basis.
Kenneth P. Clark   +3 more
doaj   +1 more source

On abstract differential equations with non instantaneous impulses

open access: yesTopological Methods in Nonlinear Analysis, 2015
We introduce a class of abstract differential equation with non instantaneous impulses which extend and generalize some recent models considered in the literature. We study the existence of mild and classical solution and present some applications involving partial differential equations with non-instantaneous impulses.
Hernández, Eduardo   +2 more
openaire   +3 more sources

FINITE-TIME STABILITY OF NON-INSTANTANEOUS IMPULSIVE SET DIFFERENTIAL EQUATIONS

open access: yesJournal of Applied Analysis & Computation, 2023
Summary: In this paper, we investigate the finite-time stability of non-instant-aneous impulsive set differential equations. By using the generalized Gronwall inequality and a revised Lyapunov method, the finite-time stability criteria for such equations are obtained. Finally, an example is given to illustrate the validity of the results.
Wang, Peiguang, Guo, Mengyu, Bao, Junyan
openaire   +1 more source

Center Manifolds for Non-instantaneous Impulsive Equations Under Nonuniform Hyperbolicity [PDF]

open access: yesComptes Rendus. Mathématique, 2020
In this paper, we establish the existence of smooth center manifolds for a class of nonautonomous differential equations with non-instantaneous impulses under sufficiently small perturbations of the linear homogeneous part which has a nonuniform exponential trichotomy. In addition, we show the
Li, Mengmeng   +3 more
openaire   +2 more sources

Resonance matching for piezoelectric vibration energy harvesters under impulse excitation

open access: yesMechanical Engineering Journal
A vibration energy harvester generates power by utilizing resonance. Stationary sine-wave excitation is a common method of evaluating vibration energy harvesters. However, environmental vibrations are often non-stationary.
Kota MORISHITA   +4 more
doaj   +1 more source

Instantaneous Receiver Operating Characteristic (ROC) Performance of Multi-Gain-Stage APD Photoreceivers

open access: yesIEEE Journal of the Electron Devices Society, 2013
We describe the use of analytical and numerical models of a multi-gain-stage single-carrier multiplication (SCM) avalanche photodiode (APD) to generate time-resolved receiver operating-characteristic (ROC) curves.
George M. Williams   +3 more
doaj   +1 more source

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