نتایج جستجو برای: time lag

تعداد نتایج: 1902784  

Journal: :Automatica 2017
Frédéric Mazenc Michael Malisoff

We provide a new sequential predictors approach for the exponential stabilization of linear time-varying systems. Our method circumvents the problem of constructing and estimating distributed terms in the control laws, and allows arbitrarily large input delay bounds, pointwise time-varying input delays, and uncertainties. Instead of using distributed terms, our approach to handling longer delay...

2002
W. Michiels K. Engelborghs P. Vansevenant D. Roose

In this paper, we describe a stabilization method for linear time-delay systems which extends the classical pole placement method for ordinary di7erential equations. Unlike methods based on :nite spectrum assignment, our method does not render the closed loop system, :nite dimensional but consists of controlling the rightmost eigenvalues. Because these are moved to the left half plane in a (qua...

Journal: :Journal for the Anthropology of North America 2019

Journal: :Automatica 2012
Bin Zhou Zongli Lin James Lam

This note is concerned with the problem of semi-globally stabilizing a linear system with an input delay and a constraint on the energy of its input. Under the condition of null controllability with vanishing energy, the parametric Lyapunov equation based L2 low gain feedback is adopted to solve the problem. The proposed approach is applied to the linearized model of the relative motion in the ...

Journal: :Int. J. Systems Science 2011
Kaouther Ibn Taarit Lotfi Belkoura Mekki Ksouri Jean-Pierre Richard

A fast identification algorithm is proposed for systems with delayed inputs. It is based on a non-asymptotic distributional estimation technique initiated in the framework of systems without delay. Such technique leads to simple realization schemes, involving integrators, multipliers and piecewise polynomial or exponential time functions. Thus, it allows for a real time implementation. In order...

Journal: :Journal of Architecture and Planning (Transactions of AIJ) 2013

Journal: :Automatica 2012
Frédéric Mazenc Silviu-Iulian Niculescu Miroslav Krstic

For linear systems with pointwise or distributed delay in the inputs which are stabilized through the reduction approach, we propose a new technique of construction of Lyapunov-Krasovskii functionals. These functionals allow us to establish the ISS property of the closed-loop systems relative to additive disturbances.

Journal: :Journal of Computational and Applied Mathematics 2021

Abstract This paper proposes an alternative estimation method for cointegration, which allows variation in the leads and lags cointegration relation. The is more powerful than a standard method. Illustrations to annual inflation rates Japan USA seasonal quarterly consumption income shows its ease of use empirical merits.

Journal: :Journal of Communication Inquiry 1997

Journal: :pharmaceutical and biomedical research 0
syed faisal ali department of pharmaceutics, pharmacy college saifai, saifai, etawah, uttar pradesh, india monika joshi department of pharmaceutics, pharmacy college saifai, saifai, etawah, uttar pradesh, india nida akhtar department of pharmaceutics, pharmacy college saifai, saifai, etawah, uttar pradesh, india vijay sharma department of pharmaceutics, pharmacy college saifai, saifai, etawah, uttar pradesh, india kamla pathak department of pharmaceutics, pharmacy college saifai, saifai, etawah, uttar pradesh, india

the present investigation was focused to formulate semi-solid capsules (sscs) of hydrophobic drug telmisartan (tlms) by encapsulating semi-solid matrix of its solid dispersion (sd) in hpmc capsules. the combinational approach was used to reduce the lag time in drug release and improvise its dissolution. sds of tlms was prepared using hot fusion method by varying the combinations of pluronic-f68...

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