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Constructions of Strict Lyapunov Functions for Discrete Time and Hybrid Time-Varying Systems [PDF]

open access: yes, 2006
We provide explicit closed form expressions for strict Lyapunov functions for time-varying discrete time systems. Our Lyapunov functions are expressed in terms of known nonstrict Lyapunov functions for the dynamics and finite sums of persistency of ...
Albertini   +24 more
core   +6 more sources

Further Results on Strict Lyapunov Functions for Rapidly Time-Varying Nonlinear Systems [PDF]

open access: yes, 2006
We explicitly construct global strict Lyapunov functions for rapidly time-varying nonlinear control systems. The Lyapunov functions we construct are expressed in terms of oftentimes more readily available Lyapunov functions for the limiting dynamics ...
de Queiroz, Marcio S.   +2 more
core   +4 more sources

Dynamic Lyapunov functions

open access: yesAutomatica, 2011
Abstract Lyapunov functions are a fundamental tool to investigate the stability properties of equilibrium points in linear or nonlinear systems. Unfortunately, even if the existence of Lyapunov functions for asymptotically stable equilibrium points is guaranteed by converse Lyapunov theorems, the actual computation of the analytic expression of the ...
Sassano M., Astolfi A.
openaire   +3 more sources

Fluctuations of finite-time Lyapunov exponents in an intermediate-complexity atmospheric model: a multivariate and large-deviation perspective [PDF]

open access: yesNonlinear Processes in Geophysics, 2019
The stability properties as characterized by the fluctuations of finite-time Lyapunov exponents around their mean values are investigated in a three-level quasi-geostrophic atmospheric model with realistic mean state and variability.
F. Kwasniok
doaj   +1 more source

Further Remarks on Strict Input-to-State Stable Lyapunov Functions for Time-Varying Systems [PDF]

open access: yes, 2004
We study the stability properties of a class of time-varying nonlinear systems. We assume that non-strict input-to-state stable (ISS) Lyapunov functions for our systems are given and posit a mild persistency of excitation condition on our given Lyapunov ...
Angeli   +20 more
core   +4 more sources

Gap Functions and Lyapunov Functions

open access: yesJournal of Global Optimization, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
PAPPALARDO, MASSIMO   +1 more
openaire   +1 more source

Stability of Fuzzy Dynamical Systems via Lyapunov Functions

open access: yesInternational Journal of Differential Equations, 2020
The purpose of this paper is to introduce the concept of fuzzy Lyapunov functions to study the notion of stability of equilibrium points for fuzzy dynamical systems associated with fuzzy initial value problems, through the principle of Zadeh.
Abdelati El Allaoui   +2 more
doaj   +1 more source

Lyapunov Functions to Caputo Fractional Neural Networks with Time-Varying Delays

open access: yesAxioms, 2018
One of the main properties of solutions of nonlinear Caputo fractional neural networks is stability and often the direct Lyapunov method is used to study stability properties (usually these Lyapunov functions do not depend on the time variable).
Ravi Agarwal   +2 more
doaj   +1 more source

Stabilization of Nonlinear Control-Affine Systems With Multiple State Constraints

open access: yesIEEE Access, 2020
This paper considers the synthesis of stabilizing controllers for nonlinear control-affine systems under multiple state constraints. A new control Lyapunov-barrier function approach is introduced for solving the considered problem.
Jia-Yao Jhang   +2 more
doaj   +1 more source

Improved Multiple Lyapunov Functions of input-to-output Stability and input-to-state Stability for Switched Systems

open access: yesJournal of Advanced Transportation, 2022
This paper investigates the Lyapunov characterizations of input-to-output stability (IOS) and input-to-state stability (ISS) for nonlinear switched systems.
Shizhang Chen, Chongyang Ning
doaj   +1 more source

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