Results 21 to 30 of about 3,283,200 (344)

Phase synchronization in time-delay systems [PDF]

open access: yes, 2006
Though the notion of phase synchronization has been well studied in chaotic dynamical systems without delay, it has not been realized yet in chaotic time-delay systems exhibiting non-phase coherent hyperchaotic attractors.
A. S. Pikovsky   +5 more
core   +2 more sources

Time-Delay and Fractional Derivatives

open access: yesAdvances in Difference Equations, 2011
This paper proposes the calculation of fractional algorithms based on time-delay systems. The study starts by analyzing the memory properties of fractional operators and their relation with time delay.
Tenreiro Machado JA
doaj   +2 more sources

On the time delay in binary systems [PDF]

open access: yes, 2005
The aim of this paper is to study the time delay on electromagnetic signals propagating across a binary stellar system. We focus on the antisymmetric gravitomagnetic contribution due to the angular momentum of one of the stars of the pair.
Alessandro Nagar   +10 more
core   +2 more sources

Impulsive mean square exponential synchronization of stochastic dynamical networks with hybrid time-varying delays

open access: yesNonlinear Analysis, 2018
This paper investigates the mean square exponential synchronization problem for complex dynamical networks with stochastic disturbances and hybrid time-varying delays, both internal delay and coupling delay are considered in the model.
Fei Wang, Yongqing Yang
doaj   +1 more source

A data-driven time-delay compensation strategy for ancillary service of the distribution photovoltaic generation system

open access: yesFrontiers in Energy Research, 2023
With the increasing integration of distributed photovoltaic (PV) generation, the distribution network has met many challenges in operation and control.
Maodong Shen   +3 more
doaj   +1 more source

Integrability for Nonlinear Time-Delay Systems [PDF]

open access: yes, 2016
In this note, the notion of integrability is defined for 1-forms defined in the time-delay context. While in the delay-free case, a set of 1-forms defines a vector space, it is shown that 1-forms computed for time-delay systems have to be viewed as ...
Califano, Claudia   +2 more
core   +3 more sources

Practical stability of time‐varying positive systems with time delay

open access: yesIET Control Theory & Applications, 2021
This paper considers the problem of practical stability for time‐varying positive systems with time delay. For both non‐linear time‐varying positive systems and linear time‐varying positive (LTVP) systems with time delay, sufficient conditions on ...
Ruonan Li, Ping Zhao
doaj   +1 more source

Contract delay: what is it and how are we performing?

open access: yesAustralasian Journal of Construction Economics and Building, 2012
This paper examines the management of contract delays in the construction industry as currently practised, and suggests some best practice alternative methods.Research results about the level of contractor’s time management skills were analysed to ...
David Finnie
doaj   +3 more sources

Delay-Dependent H∞ Filtering for Singular Time-Delay Systems

open access: yesDiscrete Dynamics in Nature and Society, 2011
This paper deals with the problem of delay-dependent H∞ filtering for singular time-delay systems. First, a new delay-dependent condition which guarantees that the filter error system has a prescribed H∞ performance γ is given in terms of linear matrix ...
Zhenbo Li, Shuqian Zhu
doaj   +1 more source

Numerical Simulation on Selection of Optimal Delay Time for Precise Delay Blasting

open access: yesShock and Vibration, 2021
In the traditional presplitting blasting, the presplit holes are generally uniformly initiated, which causes local damage to the retained rock mass while forming the damping ditch.
Jun Ma   +6 more
doaj   +1 more source

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