Results 1 to 10 of about 700,859 (188)

A Novel Delay-Dependent Asymptotic Stability Conditions for Differential and Riemann-Liouville Fractional Differential Neutral Systems with Constant Delays and Nonlinear Perturbation [PDF]

open access: yesMathematics, 2020
The novel delay-dependent asymptotic stability of a differential and Riemann-Liouville fractional differential neutral system with constant delays and nonlinear perturbation is studied.
Watcharin Chartbupapan   +2 more
doaj   +5 more sources

Stability analysis of nonlinear algebraic-differential equations with 2-delays and numerical methods. [PDF]

open access: yesPLoS ONE
This paper investigates stability analysis and numerical approaches for nonlinear delay differential-algebraic equations with 2-delays. Based on asymptotic stability considerations for Hessenberg type delay differential-algebraic equations, we develop a ...
Huiqing Liao   +3 more
doaj   +2 more sources

Generic oscillations of delay differential system with impulses

open access: yesComputers & Mathematics with Applications, 2003
The authors consider the linear functional system \[ X^{\prime}(t)+AX(t)+BX(t-\tau )=0,\quad t\geq t_{0},\;t\neq t_{k},\tag{*} \] with the linear impulsive condition \[ X(t_{k}^{+})-X(t_{k})=C_{k}X(t_{k}),\quad k=1,2,\dots \tag{**} \] They compare the oscillation and nonoscillation of the impulsive systems (*) and (**) with nonimpulsive systems which ...
Duan, Yongrui   +3 more
openaire   +3 more sources

Non-polynomial spline approach for solving system of singularly perturbed delay differential equations of large delay

open access: yesMathematical and Computer Modelling of Dynamical Systems
A computational technique for analysing coupled system of singularly perturbed convection-diffusion delay differential equations with large delay is presented in this study.
Dany Joy, Dinesh Kumar S
doaj   +3 more sources

Morlet Wavelet Neural Network Investigations to Present the Numerical Investigations of the Prediction Differential Model

open access: yesMathematics, 2023
In this study, a design of Morlet wavelet neural networks (MWNNs) is presented to solve the prediction differential model (PDM) by applying the global approximation capability of a genetic algorithm (GA) and local quick interior-point algorithm scheme ...
Zulqurnain Sabir   +3 more
doaj   +1 more source

Analytical investigation of the control sysytem with delays

open access: yesLietuvos Matematikos Rinkinys, 2021
The forced synchronization system compared of n oscillators (n = 4, 6, 8) is analysed. Exact analytical expressions for elements of the step responsesmatrix of the system are derived.
Tatjana Sidekerskienė, Jonas Rimas
doaj   +1 more source

An implicit system of delay differential algebraic equations from hydrodynamics

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2023
Direct spring operated pressure relief valves connected to a constantly charged vessel and a downstream pipe have a complex dynamics. The vessel-valve subsystem is described with an autonomous system of ordinary differential equations, while the presence
Fanni Kádár, Gábor Stépán
doaj   +1 more source

Stability of Stochastic Delay Differential Systems With Variable Impulses Due to Logic Choice

open access: yesIEEE Access, 2021
This paper is concerned with stability problems of stochastic delay differential systems with variable impulses due to logic choice. Firstly, a class of variable impulses due to logic choice is introduced in this paper which is more general than the ...
Chunxiang Li
doaj   +1 more source

Dynamical Analysis of a Local Lengley-Epstein System Coupled with Fractional Delayed Differential Equations

open access: yesJournal of Mathematical Sciences and Modelling, 2023
We consider a system of fractional delayed differential equations. The ordinary differential version of the system without delay is introduced in the Lengyel-Epstein reaction-diffusion system. We evaluate the system with and without delay and explore the
Ercan Balcı
doaj   +1 more source

Exponential Stability of Nonlinear Time-Varying Delay Differential Equations via Lyapunov–Razumikhin Technique

open access: yesMathematics, 2023
In this article, some new sufficient conditions for the exponential stability of nonlinear time-varying delay differential equations are given. An extension of the classical asymptotical stability theorem in terms of a Lyapunov–Razumikhin function is ...
Natalya O. Sedova, Olga V. Druzhinina
doaj   +1 more source

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