Results 71 to 80 of about 135,095 (252)
Axioms, 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
Meromorphic vector fields with single-valued solutions on complex surfaces
, 2019 We study ordinary differential equations in the complex domain given by meromorphic vector fields on K\"ahler compact complex surfaces. We prove that if such an equation has a maximal single valued solution with Zariski-dense image (in particular, if it ...
Guillot, Adolfo
core +1 more source
ON RICCATI EQUATIONS IN ORDERED BANACH ALGEBRAS
Demonstratio Mathematica, 2002 Let \({\mathcal A}\) be a real Banach algebra with unit \(1\), ordered by an algebra cone \(K\) (i.e., \(1\in K\), \(K\cdot K\subseteq K\)). The authors consider the initial value problem \[ u'(t)= f(t, u(t)),\;u(0)= u_0\in{\mathcal A}\quad\text{for }0< t< T\leq\infty, \] with \(f:[0, T)\times{\mathcal A}\to{\mathcal A}\), \(f(t, x)= xa(t) x+ b_1(t)x ...
Herzog, Gerd, Lemmert, Roland
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Multi‐Objective Robust Controller Synthesis With Integral Quadratic Constraints in Discrete‐Time
International Journal of Robust and Nonlinear Control, Volume 36, Issue 3, Page 935-954, February 2026.ABSTRACT This article presents a novel framework for the robust controller synthesis problem in discrete‐time systems using dynamic Integral Quadratic Constraints (IQCs). We present an algorithm to minimize closed‐loop performance measures such as the ℋ∞$$ {\mathscr{H}}_{\infty } $$‐norm, the energy‐to‐peak gain, the peak‐to‐peak gain, or a ...
Lukas Schwenkel +4 more
wiley +1 more source
Time-like boundary conditions in the NLS model
, 2019 We focus on the non-linear Schrodinger model and we extend the notion of space-time dualities in the presence of integrable time-like boundary conditions.
Doikou, Anastasia +2 more
core +1 more source
Active Sampling of Interpolation Points to Identify Dominant Subspaces for Model Reduction
International Journal for Numerical Methods in Engineering, Volume 127, Issue 1, 15 January 2026.ABSTRACT Model reduction is an active research field to construct low‐dimensional surrogate models of high fidelity to accelerate engineering design cycles. In this work, we investigate model reduction for linear structured systems using dominant reachable and observable subspaces.
Celine Reddig +3 more
wiley +1 more source
Deadbeat Robust Model Predictive Control: Robustness Without Computing Robust Invariant Sets
International Journal of Robust and Nonlinear Control, Volume 36, Issue 1, Page 428-438, 10 January 2026.ABSTRACT Deadbeat Robust Model Predictive Control (DRMPC) is introduced as a new approach of Robust Model Predictive Control (RMPC) for linear systems with additive disturbances. Its main idea is to completely extinguish the effect of the disturbances in the predictions within a small number of time steps, called the deadbeat horizon.
Georg Schildbach
wiley +1 more source
New Ultraspherical Wavelets Spectral Solutions for Fractional Riccati Differential Equations
Abstract 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
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On the generalized algebraic Riccati equations
IFAC-PapersOnLine, 2017 Abstract Three hundred years have passed since Jacopo Francesco Riccati analyzed a quadratic differential equation that would have been of crucial importance in many fields of engineering and applied mathematics. Indeed, countless variations and generalizations of this equation have been considered as they proved to be the right mathematical tool to ...
Ferrante, A., Ntogramatzidis, Lorenzo
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IET Control Theory &Applications, Volume 20, Issue 1, January/December 2026.This paper presents a robust H∞ decentralised and centralised control approach for a microsurgical manipulator using Particle Swarm Optimisation and Gravitational Search Algorithm (PSOGSA). The proposed fixed‐structure Proportional‐Integral‐Derivative (PID)‐based controllers address implementation challenges of conventional high‐order H∞ controllers ...
Somyot Kaitwanidvilai +2 more
wiley +1 more source