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On Controllability and Observability of Fuzzy Dynamical Matrix Lyapunov Systems

open access: yesAdvances in Fuzzy Systems, 2008
We provide a way to combine matrix Lyapunov systems with fuzzy rules to form a new fuzzy system called fuzzy dynamical matrix Lyapunov system, which can be regarded as a new approach to intelligent control. First, we study the controllability property of
M. S. N. Murty, G. Suresh Kumar
doaj   +3 more sources

On $\Psi$-bounded solutions for non-homogeneous matrix Lyapunov systems on $\mathbb{R}$

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2009
In this paper we provide necesssary and sufficient conditions for the existence of at least one $\Psi$-bounded solution on $\mathbb{R}$ for the system $X'=A(t)X +XB(t)+F(t)$, where $F(t)$ is a Lebesgue $\Psi$-integrable matrix valued function on ...
M. S. N. Murty, Grande Suresh Kumar
doaj   +4 more sources

CONTROLLABILITY, OBSERVABILITY, AND REALIZABILITY OF MATRIX LYAPUNOV SYSTEMS [PDF]

open access: yesBulletin of the Korean Mathematical Society, 2006
This paper presents necessary and su-cient conditions for complete controllability, complete observability and realizability associated with matrix Lyapunov systems under certain smoothness conditions.
M. Murty, B. V. A. Rao, G. S. Kumar
semanticscholar   +2 more sources

ON Ψ-INSTABILITY OF NON-LINEAR MATRIX LYAPUNOV SYSTEMS

open access: yesDemonstratio Mathematica, 2009
We prove necessary and sufficient conditions for Ψ-instability of trivial solutions of linear matrix Lyapunov systems and also sufficient conditions for Ψ-instability of trivial solutions of non-linear matrix Lyapunov systems.
M. Murty   +3 more
semanticscholar   +4 more sources

On Controllability of Fuzzy Dynamical Matrix Lyapunov Systems

open access: yesAnnals of West University of Timisoara - Mathematics, 2013
In this paper, we provide a way to combine matrix Lyapunov systems with fuzzy sets to form a new system called fuzzy dynamical matrix Lyapunov system and obtain a suffcient condition for the controllability of this system.
M. Murty   +3 more
semanticscholar   +3 more sources

On Observability of Fuzzy Dynamical Matrix Lyapunov Systems

open access: yesKyungpook mathematical journal, 2008
Abstract. In this paper we generate a fuzzy dynamical matrix Lyapunov system andobtain a sufficient condition for the observability of this system. 1. IntroductionThe importance of control theory in Applied mathematics and its occurrencein several problems such as mechanics, electromagnetic theory, thermodynamics,artificial satellites etc., are well known.
M. Murty, G. S. Kumar
semanticscholar   +3 more sources

Controllability of semilinear matrix Lyapunov systems

open access: yesElectronic Journal of Differential Equations, 2013
In this article, we establish some sufficient conditions for the complete controllability of semilinear matrix Lyapunov systems involving Lipschitzian and non-Lipschitzian nonlinearities.
Bhaskar Dubey, Raju K. George
doaj   +2 more sources

The delay Lyapunov matrix in robust stability analysis of time-delay systems

open access: yesIFAC-PapersOnLine, 2015
The maximum of the norm of the delay Lyapunov matrix function of exponentially stable linear time-delay systems is proven to be achieved at zero. We apply this result to the robust stability analysis of systems with multiple delays. We consider the cases
A. Egorov, S. Mondié
semanticscholar   +2 more sources

Ψ -asymptotic stability of non-linear matrix Lyapunov systems

open access: yesJournal of Nonlinear Sciences and Applications, 2012
M. Murty, G. S. Kumar
semanticscholar   +3 more sources

Lyapunov stability tests for linear time-delay systems [PDF]

open access: yesAnnual Reviews in Control, 2022
An overview of stability conditions in terms of the Lyapunov matrix for time-delay systems is presented. The main results and proof are presented in details for the case of systems with multiple delays.
Sabine Mondi'e, A. Egorov, M. A. Gómez
semanticscholar   +1 more source

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