Results 21 to 30 of about 68,128 (277)

Periodic problem for non-instantaneous impulsive partial differential equations

open access: yesAIMS Mathematics, 2022
<abstract><p>We obtain a new maximum principle of the periodic solutions when the corresponding impulsive equation is linear. If the nonlinear is quasi-monotonicity, we study the existence of the minimal and maximal periodic mild solutions for impulsive partial differential equations by using the perturbation method, the monotone iterative ...
Huanhuan Zhang, Jia Mu
openaire   +2 more sources

Trajectory controllability of Clarke subdifferential type Hilfer fractional stochastic differential inclusion with non-instantaneous impulsive effects and deviated argument

open access: yesResults in Control and Optimization, 2023
This manuscript is devoted to analyse the solvability and trajectory controllability of Hilfer fractional non-instantaneous impulsive stochastic differential inclusion with Clarke subdifferential and deviated argument.
N. Durga, Muslim Malik
doaj   +1 more source

Staring Spotlight SAR with Nonlinear Frequency Modulation Signal and Azimuth Non-Uniform Sampling for Low Sidelobe Imaging

open access: yesSensors, 2021
In synthetic aperture radar (SAR) imaging, geometric resolution, sidelobe level (SLL) and signal-to-noise ratio (SNR) are the most important parameters for measuring the SAR image quality.
Wei Xu   +5 more
doaj   +1 more source

Trajectory Controllability of Dynamical Systems with Non-instantaneous Impulses

open access: yesYMER Digital, 2021
This manuscript considered the system governed by the non-instantaneous impulsive evolution control system and discusses trajectory controllability of the governed system with classical and nonlocal initial conditions over the general Banach space. The results of the trajectory controllability for governed systems are obtained through the concept of ...
Vishant Shah   +2 more
openaire   +1 more source

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

Practical stability of differential equations with non-instantaneous impulses [PDF]

open access: yesDifferential Equations & Applications, 2017
The concept of practical stability is generalized to nonlinear differential equations with non-instantaneous impulses. These type of impulses start their action abruptly at some points and then continue on given finite intervals. The practical stability and strict practical stability is studied using Lyapunov like functions and comparison results for ...
Agarwal, Ravi P.   +2 more
openaire   +3 more sources

An overview of a Lagrangian method for analysis of animal wake dynamics [PDF]

open access: yes, 2008
The fluid dynamic analysis of animal wakes is becoming increasingly popular in studies of animal swimming and flying, due in part to the development of quantitative flow visualization techniques such as digital particle imaging velocimetry (DPIV).
Dabiri, John O., Peng, Jifeng
core   +1 more source

Stability properties of neural networks with non-instantaneous impulses

open access: yesMathematical Biosciences and Engineering, 2019
In this paper, we consider neural networks 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 (these are known as non-instantaneous impulses). We examine some stability properties of the equilibrium of the model.
Agarwal, Ravi   +3 more
openaire   +4 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

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