Results 261 to 270 of about 501,542 (292)

Uniform Approximation of Infinite Horizon Control Problems for Nonlinear Systems and Stability of the Approximating Controls

IEEE Transactions on Automatic Control, 2009
This technical note addresses the approximation of the infinite horizon problem and the stability of the approximating controls generated by the receding horizon method. The setup takes into account systems and costs that may be nonlinear and discontinuous, with possibly state and control constraints, allowing for a wide range of problems.
Eduardo F. Costa, João Bosco Ribeiro do Val   +1 more
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Duality and approximate controls

Journal of the Franklin Institute, 1968
Abstract The computation of approximate controls for the terminal problem for linear systems is considered. These controls can be made to steer the terminal state vector arbitrarily close to the desired terminal position; their norms will generally be smaller than the norm of the exact optimal control which achieves the desired terminal state. It is
openaire   +2 more sources

Robust approximation and control

IEEE Control Systems, 1997
An algorithmic procedure has been implemented. Its input data are the frequency samples of a MIMO high order (possibly infinite dimensional) model and its output is a controller for that system. The procedure considers the approximation error as additive uncertainty and designs for robust performance of a mixed sensitivity problem by using H/sup /spl ...
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Remarks on approximate controllability

Journal d'Analyse Mathématique, 1992
The problem of exact and approximate controllability for the wave equation with boundary control is studied. It is introduced the duality method which allows the treatment of the original problem via variational inequalities. Many pertinent remarks are made and some open problems are formulated.
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Controllability, Approximations and Stabilization

1989
A wide variety of systems in e.g. engineering or biological applications can be described or modelled by control systems (or controlled differential equations) of the general form \(\dot x = F\left( {x,u} \right)\) where the state a; is a point on a smooth manifold, the control u takes values in a compact interval or another manifold and is integrable ...
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Approximate controllability of semilinear control systems

Proceeding of the 11th World Congress on Intelligent Control and Automation, 2014
The approximate controllability for a class of control systems governed by semilinear differential equations is discussed in this paper. Sufficient conditions for approximate controllability are obtained under some natural assumptions. An example is provided at the end of the paper to illustrate the application of the established approximate ...
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Results on approximate controllability of Sobolev-type fractional neutral differential inclusions of Clarke subdifferential type

Chaos, Solitons and Fractals, 2021
Kottakkaran Sooppy Nisar, Anurag Shukla, Velusamy Vijayakumar   +2 more
exaly  

Error Control with Polynomial Approximations

IMA Journal of Numerical Analysis, 1981
Schonfelder, J. L., Razaz, M.
openaire   +1 more source

Finite-approximate controllability of semilinear fractional stochastic integro-differential equations

Chaos, Solitons and Fractals, 2020
Nazim Mahmudov
exaly  

An approximation to optimal modal control

Automatica, 1974
openaire   +1 more source