Results 11 to 20 of about 193,949 (265)

On the Controllability of Delay-Differential Systems [PDF]

open access: yesSIAM Journal on Control, 1967
Controllability type applicable to optimal control problems for systems described by delay differential ...
openaire   +2 more sources

Relative Controllability of ψ-Caputo Fractional Neutral Delay Differential System

open access: yesFractal and Fractional, 2023
The aim of this work is to analyze the relative controllability and Ulamn–Hyers stability of the ψ-Caputo fractional neutral delay differential system.
Kothandapani Muthuvel   +2 more
doaj   +1 more source

The controllability of nonlinear fractional differential system with pure delay

open access: yesAdvances in Difference Equations, 2020
In this study, we are currently investigating the controllability of nonlinear fractional differential control systems with delays in the state function.
Musarrat Nawaz, Wei Jiang, Jiale Sheng
doaj   +1 more source

Equivalence and Reduction of Delay-Differential Systems [PDF]

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2007
Equivalence and Reduction of Delay-Differential SystemsA new direct method is presented which reduces a given high-order representation of a control system with delays to a first-order form that is encountered in the study of neutral delay-differential systems.
openaire   +2 more sources

A system of abstract measure delay differential equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2003
In this paper existence and uniqueness results for an abstract measure delay differential equation are proved, by using Leray-Schauder nonlinear alternative, under Carathéodory conditions.
Bapurao Dhage   +2 more
doaj   +1 more source

Stability of Stochastic Differential Delay Systems with Delayed Impulses [PDF]

open access: yesAbstract and Applied Analysis, 2014
We investigate the stability of stochastic delay differential systems with delayed impulses by Razumikhin methods. Some criteria on thepth moment and almost sure exponential stability are obtained. It is shown that an unstable stochastic delay system can be successfully stabilized by delayed impulses.
openaire   +3 more sources

Finite Time Stability of 2D Fractional Hyperbolic System with Time Delay

open access: yesJournal of Function Spaces, 2022
In this work, a class of two-dimensional fractional hyperbolic differential linear system (2D-FHDLS) with time delay is investigated. By using generalized Gronwall’s inequality, sufficient conditions for the finite time stability (FTS) of two-dimensional
Abdellatif Ben Makhlouf   +3 more
doaj   +1 more source

Exponential Stability for a Class of Linear Delay Differential Systems Under Logic Impulsive Control

open access: yesIEEE Access, 2021
This paper is concerned with the exponential stability for a class of linear delay differential systems under logic impulsive control. Based on logic impulsive control, the strong constraint that the coefficient functions of this kind of linear delay ...
Chunxiang Li
doaj   +1 more source

Linear Analysis of an Integro-Differential Delay Equation Model

open access: yesInternational Journal of Differential Equations, 2018
This paper presents a computational study of the stability of the steady state solutions of a biological model with negative feedback and time delay. The motivation behind the construction of our system comes from biological gene networks and the model ...
Anael Verdugo
doaj   +1 more source

Existence Solution and Controllability of Sobolev Type Delay Nonlinear Fractional Integro-Differential System

open access: yesMathematics, 2019
Fractional integro-differential equations arise in the mathematical modeling of various physical phenomena like heat conduction in materials with memory, diffusion processes, etc.
Hamdy M. Ahmed   +3 more
doaj   +1 more source

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