Results 71 to 80 of about 1,417,876 (221)

Backward error for the discrete-time algebraic Riccati equation [PDF]

open access: yes, 1997
The normwise backward error of an approximate solution to the discrete-time algebraic Riccati equation is evaluated.
Sun, Ji-guang, Ji-guang Sun
core   +1 more source

COMPENSATION OF PERTURBATIONS OF LINEAR OPTIMAL SYSTEM ON THE BASIS OF PARAMETRIZATION OF LOURIE–RICCATI EQUATION

open access: yesМіжнародний науково-технічний журнал "Проблеми керування та інформатики", 2006
The method of compensation of parametrical perturbations in control system with the linear-quadratic regulator, based on the approximate recalculation of the optimal problem, not demanding the new solution of Lourie–Riccati equation is offered.
V.N. Bukov, N.I. Selvesyuk
doaj  

Exponential Synchronization of Chaotic Xian System Using Linear Feedback Control

open access: yesComplexity, 2019
In this paper, a new linear feedback controller for synchronization of two identical chaotic systems in a master-slave configuration is presented. This controller requires knowing a priori Lipschitz constant of the nonlinear function of the chaotic ...
J. Humberto Pérez-Cruz   +6 more
doaj   +1 more source

On the Linear Quadratic Optimal Control for Systems Described by Singularly Perturbed Itô Differential Equations with Two Fast Time Scales

open access: yesAxioms, 2019
In this paper a stochastic optimal control problem described by a quadratic performance criterion and a linear controlled system modeled by a system of singularly perturbed Itô differential equations with two fast time scales is considered.
Vasile Drăgan
doaj   +1 more source

A compatibility criterion for optimal control and information aggregation in hierarchical network systems

open access: yesAsian Journal of Control, Volume 28, Issue 4, Page 1722-1733, July 2026.
Abstract Large swarms often adopt a hierarchical network structure that incorporates information aggregation. Although this approach offers significant advantages in terms of communication efficiency and computational complexity, it can also lead to degradation due to information constraints.
Kento Fujita, Daisuke Tsubakino
wiley   +1 more source

Advanced control of non‐isothermal axial dispersion tubular reactors with recycle‐induced state delay

open access: yesThe Canadian Journal of Chemical Engineering, Volume 104, Issue 6, Page 3018-3037, June 2026.
Abstract We develop a delay‐aware estimation and control framework for a non‐isothermal axial dispersion tubular reactor modelled as a coupled parabolic‐hyperbolic PDE system with recycle‐induced state delay. The infinite‐dimensional dynamics are preserved without spatial discretization by representing the delay as a transport PDE and adopting a late ...
Behrad Moadeli, Stevan Dubljevic
wiley   +1 more source

Exact Solutions and Nonlinear Dynamical Behavior in a Navier‐Stokes‐Type Model for Elastic Cylindrical Vessels: An Analytical and Computational Approach

open access: yesEngineering Reports, Volume 8, Issue 6, June 2026.
This study investigates a nonlinear Navier‐Stokes‐type model for elastic cylindrical vessels. Exact solutions are derived via the Bäcklund transformation and the ϕ6$$ {\phi}^6 $$‐expansion method, and dynamical behaviors are analyzed using bifurcation and chaos tools, revealing diverse wave structures and parameter‐dependent propagation characteristics.
Sheikh Zain Majid   +2 more
wiley   +1 more source

The discrete algebraic Riccati equation and linear matrix inequality

open access: yes, 1994
In this paper we study the discrete time algebraic Riccati equation and its connection to the discrete time linear matrix inequality. We show that in general only a subset of the set of rank-minimizing solutions of the linear matrix inequality correspond
Saberi, A.   +3 more
core   +1 more source

New Ultraspherical Wavelets Spectral Solutions for Fractional Riccati Differential Equations

open access: yesAbstract and Applied Analysis, 2014
We introduce two new spectral wavelets algorithms for solving linear and nonlinear fractional-order Riccati differential equation. The suggested algorithms are basically based on employing the ultraspherical wavelets together with the tau and collocation
W. M. Abd-Elhameed, Y. H. Youssri
doaj   +1 more source

Analytical and Numerical Soliton Solutions of the Shynaray II‐A Equation Using the G′G,1G$$ \left(\frac{G^{\prime }}{G},\frac{1}{G}\right) $$‐Expansion Method and Regularization‐Based Neural Networks

open access: yesMathematical Methods in the Applied Sciences, Volume 49, Issue 9, Page 9814-9831, June 2026.
ABSTRACT Nonlinear differential equations play a fundamental role in modeling complex physical phenomena across solid‐state physics, hydrodynamics, plasma physics, nonlinear optics, and biological systems. This study focuses on the Shynaray II‐A equation, a relatively less‐explored parametric nonlinear partial differential equation that describes ...
Aamir Farooq   +4 more
wiley   +1 more source

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