Results 41 to 50 of about 17,798,505 (152)

Hierarchies, Spikes, and Hybrid Systems: Physiologically Inspired Control Problems [PDF]

open access: yes, 2011
In animal motor control and locomotion, neurons process information, muscles are the actuators, and the body is the plant. Control theory is the standard mathematical language for describing motor control and locomotion, but many phenomena in ...
Lamperski, Andrew G.
core   +1 more source

Solving Non-Linear Quadratic Optimal Control Problems By Variational Iteration Method

open access: yesJournal of Mathematical Extension, 2014
In this article, we give an analytical approximate solution for non-linear quadratic optimal control problems using the variational iteration method (VIM).
R.ZARE, M.H.FARAHI, J.IZADIAN
doaj  

Optimal control design for linear - invariant linear singular systems with time using orthogonal functions [PDF]

open access: yesتصمیم گیری و تحقیق در عملیات, 2019
The problem of solving optimal control of Singular problems in the classic method has a complexity that is solved by approximation of the equations in the problem with orthogonal bases instead of solving the dynamic equation system of a set of static ...
Hamid Tabatabaee, Mahdi Memari
doaj   +1 more source

A DPG method for linear quadratic optimal control problems

open access: yesComputers & Mathematics with Applications
The DPG method with optimal test functions for solving linear quadratic optimal control problems with control constraints is studied. We prove existence of a unique optimal solution of the nonlinear discrete problem and characterize it through first order optimality conditions.
Thomas Führer, Francisco Fuica
openaire   +4 more sources

Approximated Solutions of Linear Quadratic Fractional Optimal Control Problems [PDF]

open access: yesJournal of Applied Mathematics, Statistics and Informatics, 2016
Abstract In this study we apply the Adomian decomposition method (ADM) to approximate the solution of fractional optimal control problems (FOCPs) where the dynamic of system is a linear control system with constant coefficient and the cost functional is defined in a quadratic form. First we stated the necessary optimality conditions in a
Soradi Zeid, S.   +2 more
openaire   +2 more sources

Optimal control of nonlinear systems with input constraints using linear time varying approximations

open access: yesNonlinear Analysis, 2016
We propose a new method to solve input constrained optimal control problems for autonomous nonlinear systems affine in control. We then extend the method to compute the bang-bang control solutions under the symmetric control constraints.
Mehmet Itik
doaj   +1 more source

On Linear-Quadratic Optimal Control Problems for Time-Varying Descriptor Systems [PDF]

open access: yesSIAM Journal on Control and Optimization, 2004
Summary: We deal with linear-quadratic optimal control problems for time-varying descriptor systems in a Hilbert space setting. A sufficient solvability condition is given by means of an appropriately stated linear boundary value problem (BVP) and by discussing the special structure of the regular differential system inherent in this BVP.
Kurina, Galina A., März, Roswitha
openaire   +3 more sources

Feedback Control Method Using Haar Wavelet Operational Matrices for Solving Optimal Control Problems

open access: yesAbstract and Applied Analysis, 2013
Most of the direct methods solve optimal control problems with nonlinear programming solver. In this paper we propose a novel feedback control method for solving for solving affine control system, with quadratic cost functional, which makes use of only ...
Waleeda Swaidan, Amran Hussin
doaj   +1 more source

A Unified Approach to the Finite-Horizon Linear Quadratic Optimal Control Problem* [PDF]

open access: yesEuropean Journal of Control, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
FERRANTE, AUGUSTO, NTOGRAMATZIDIS L.
openaire   +5 more sources

Maximum Principle for Delayed Stochastic Linear-Quadratic Control Problem with State Constraint

open access: yesJournal of Applied Mathematics, 2013
This paper is concerned with one kind of delayed stochastic linear-quadratic optimal control problems with state constraints. The control domain is not necessarily convex and the control variable does not enter the diffusion coefficient.
Feng Zhang
doaj   +1 more source

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