Results 31 to 40 of about 3,283,200 (344)

Time Delay In Necrotic Core Formation

open access: yesMathematical Biosciences and Engineering, 2005
A simple model of avascular solid tumor dynamics is studied inthe paper. The model is derived on the basis of reaction-diffusion dynamicsand mass conservation law. We introduce time delay in a cell proliferationprocess. In the case studied in this paper,
Marek Bodnar, Urszula Foryś
doaj   +1 more source

Markov processes with spatial delay: path space characterization, occupation time and properties [PDF]

open access: yes, 2016
In this paper, we study one dimensional Markov processes with spatial delay. Since the seminal work of Feller, we know that virtually any one dimensional, strong, homogeneous, continuous Markov process can be uniquely characterized via its infinitesimal ...
Salins, Michael   +1 more
core   +1 more source

Minimum-Spanning-Tree-Based Time Delay Estimation Robust to Outliers

open access: yesIEEE Access, 2023
In this paper, we present a novel approach to estimating multiple time delays (TDs) in sensor arrays that is robust to outliers of TD measurements. These measurements are typically obtained from the peak of the cross correlation of two sensor signals but
Kouei Yamaoka   +3 more
doaj   +1 more source

Finite-time stability of discrete-time systems with time-varying delay [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2012
Finite-time stability can be used in all applications where large values of the state are not acceptable. In this paper, finite-time stability problem for a class of linear time-varying delay systems is studied. Based on Lyapunov-like functions method
Stojanović Sreten B.   +2 more
doaj   +1 more source

Estimation of time delay by coherence analysis [PDF]

open access: yes, 2004
Using coherence analysis (which is an extensively used method to study the correlations in frequency domain, between two simultaneously measured signals) we estimate the time delay between two signals. This method is suitable for time delay estimation of
Claussen, J. C.   +4 more
core   +3 more sources

Embedded Network Test-Bed for Validating Real-Time Control Algorithms to Ensure Optimal Time Domain Performance [PDF]

open access: yes, 2012
The paper presents a Stateflow based network test-bed to validate real-time optimal control algorithms. Genetic Algorithm (GA) based time domain performance index minimization is attempted for tuning of PI controller to handle a balanced lag and delay ...
Das, Saptarshi   +4 more
core   +2 more sources

Survey of time preference, delay discounting models [PDF]

open access: yesJudgment and Decision Making, 2013
The paper surveys over twenty models of delay discounting (also known as temporal discounting, time preference, time discounting), that psychologists and economists have put forward to explain the way people actually trade off time and money.
John R. Doyle
doaj   +2 more sources

A comparative study on time-delay estimation for time-delay nonlinear system control

open access: yesAIMS Electronics and Electrical Engineering
Time delay and disturbances are commonly encountered in real-world application systems, and their existence significantly hampers the operation of various controllers available in the discipline of control systems theory.
Syeda Nadiah Fatima Nahri   +3 more
doaj   +1 more source

Influence of time delay on fractional-order PI-controlled system for a second-order oscillatory plant model with time delay

open access: yesArchives of Electrical Engineering, 2017
The paper aims at presenting the influence of an open-loop time delay on the stability and tracking performance of a second-order open-loop system and continuoustime fractional-order PI controller. The tuning method of this controller is based on Hermite-
Sadalla Talar   +3 more
doaj   +1 more source

CB-MLE: Time-Delay Estimation Method for SISO Delay Systems

open access: yesIEEE Access, 2018
A time-delay estimation method is proposed for single-input single-output (SISO) delay systems. A copula is constructed from uniformly sampled input-output data to build the relationship between the input and output of the system.
Xuguang Wang, Jiale Quan, Jie Su
doaj   +1 more source

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