Results 21 to 30 of about 922,489 (214)

Covariant Lyapunov Vectors and Finite-Time Normal Modes for Geophysical Fluid Dynamical Systems

open access: yesEntropy, 2023
Dynamical vectors characterizing instability and applicable as ensemble perturbations for prediction with geophysical fluid dynamical models are analysed.
Jorgen S. Frederiksen
doaj   +1 more source

Reference design and comparative analysis of model reference adaptive control for steam turbine speed control [PDF]

open access: yesFME Transactions, 2020
This paper presents the mathematical modeling of the steam turbine unit with the fuzzy controller in an isolated operating condition, especially in nuclear power plants. The water level in the steam generator is one of the main causes for the shutdown of
Feyo Abu   +3 more
doaj  

Fluctuation relation and pairing rule for Lyapunov exponents of inertial particles in turbulence [PDF]

open access: yesJournal of Statistical Mechanics: Theory and Experiment, 2007
6 ...
Fouxon, Itzhak, Horvai, Péter
openaire   +2 more sources

Análisis de estabilidad de controladores borrosos tipo Mamdani mediante el cálculo del exponente de Lyapunov

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2015
Resumen: Determinar la estabilidad de los controladores, ya sea mediante simulaciones o mediante técnicas analíticas, es vital en su diseño e implantación. El método analítico de estabilidad en el sentido de Lyapunov requiere encontrar una función
Leonardo-Alonso Martínez Rivera   +2 more
doaj   +3 more sources

Improved synchronization criteria for fractional-order complex-valued neural networks via partial control

open access: yesAdvances in Difference Equations, 2020
In this article, without dividing a complex-valued neural network into two real-valued subsystems, the global synchronization of fractional-order complex-valued neural networks (FOCVNNs) is investigated by the Lyapunov direct method rather than the real ...
Hong-Li Li   +4 more
doaj   +1 more source

Master equation approach to the conjugate pairing rule of Lyapunov spectra for many-particle thermostated systems [PDF]

open access: yesPhysical Review E, 2002
The master equation approach to Lyapunov spectra for many-particle systems is applied to non-equilibrium thermostatted systems to discuss the conjugate pairing rule. We consider iso-kinetic thermostatted systems with a shear flow sustained by an external restriction, in which particle interactions are expressed as a Gaussian white randomness.
Taniguchi, Tooru, Morriss, Gary P.
openaire   +3 more sources

Design of a fuzzy controller via fuzzy Lyapunov synthesis for the stabilization of an inertial wheel pendulum

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2017
In this paper was presented the design of a Mamdani type fuzzy controller to solve the stabilization problem for an inertial wheel pendulum. The fuzzy rule base are designed following the fuzzy Lyapunov synthesis, which guarantee the local asymptotic ...
Nohe R. Cazarez-Castro   +4 more
doaj   +1 more source

Mixed Modified Recurring Rogers-Szego Polynomials Neural Network Control with Mended Grey Wolf Optimization Applied in SIM Expelling System

open access: yesMathematics, 2020
Due to a good ability of learning for nonlinear uncertainties, a mixed modified recurring Rogers-Szego polynomials neural network (MMRRSPNN) control with mended grey wolf optimization (MGWO) by using two linear adjusted factors is proposed to the six ...
Der-Fa Chen   +4 more
doaj   +1 more source

Golden rule decay versus Lyapunov decay of the quantum Loschmidt echo

open access: yesPhysical Review E, 2001
The overlap of two wave functions evolving in time with slightly different Hamiltonians decays exponentially, for perturbation strengths greater than the level spacing. We present numerical evidence for a dynamical system that the decay rate is given by the smallest of the Lyapunov exponent of the classical chaotic dynamics and the level broadening ...
Beenakker, C.W.J.   +2 more
openaire   +5 more sources

Comparative study of adaptive controller using MIT rules and Lyapunov method for MPPT standalone PV systems [PDF]

open access: yesAIP Conference Proceedings, 2017
The Photovoltaic Generator have a nonlinear characteristic function relating the intensity at the voltage I = f (U) and depend on the variation of solar irradiation and temperature, In addition, its point of operation depends directly on the load that it supplies.
N. Tariba   +5 more
openaire   +1 more source

Home - About - Disclaimer - Privacy