Results 31 to 40 of about 656,028 (291)

Exact controllability of linear dynamical systems: a geometrical approach [PDF]

open access: yes, 2016
In recent years there has been growing interest in the descriptive analysis of complex systems, permeating many aspects of daily life, obtaining considerable advances in the description of their structural and dynamical properties.
García Planas, María Isabel   +1 more
core   +1 more source

On partial approximate controllability of semilinear systems

open access: yesCogent Engineering, 2014
In this paper, a sufficient condition for the partial approximate controllability of semilinear deterministic control systems is proved. Generally, the theorems on controllability are formulated for control systems given as a first-order differential ...
Agamirza E. Bashirov   +1 more
doaj   +1 more source

Linear Operator Inequality and Null Controllability with Vanishing Energy for Unbounded Control Systems [PDF]

open access: yes, 2013
We consider a linear boundary or point control system on a Hilbert space $H$ which is null controllable at some time $T_0 >0$. To every initial state $ y_0 \in H$ we associate the minimal ``energy'' needed to transfer $ y_0 $ to $ 0 $ in a time $ T \ge ...
Zabczyk, J.   +7 more
core   +1 more source

Relaxed exact spectral controllability of membrane shells [PDF]

open access: yes, 1997
For membrane shells, where the exact controllability generally fails, results of relaxed exact controllability using spectral and asymptotic properties of the membrane elastic operator, are ...
Valente, V.
core   +1 more source

Exact tuning of PID controllers in control feedback design [PDF]

open access: yesIET Control Theory & Applications, 2011
Abstract In this paper, we introduce a range of techniques for the exact design of PID controllers for feedback control problems involving requirements on the steady-state performance and standard frequency domain specifications on the stability margins and crossover frequencies.
NTOGRAMATZIDIS L, FERRANTE, AUGUSTO
openaire   +3 more sources

Exact controllability of multiplex networks

open access: yesNew Journal of Physics, 2014
We develop a general framework to analyze the controllability of multiplex networks using multiple-relation networks and multiple-layer networks with interlayer couplings as two classes of prototypical systems.
Zhengzhong Yuan   +4 more
doaj   +1 more source

Exact Null Controllability of a One-Dimensional Wave Equation with a Mixed Boundary

open access: yesMathematics, 2023
In this paper, exact null controllability of one-dimensional wave equations in non-cylindrical domains was discussed. It is different from past papers, as we consider boundary conditions for more complex cases.
Lizhi Cui, Jing Lu
doaj   +1 more source

Exact controllability of vibrations of thin bodies [PDF]

open access: yes, 1994
In this paper, we address the problem of exact controllability of the wave equation in three dimensional domains which are thin in one direction. We prove the existence of exact controls and analyze their asymptotic behaviour as thickness parameter goes ...
Vanninathan, M., Saint Jean Paulin, J.
core   +2 more sources

Exact Controllability Results for Sobolev-Type Hilfer Fractional Neutral Delay Volterra-Fredholm Integro-Differential Systems

open access: yesFractal and Fractional, 2022
This manuscript mainly focuses on the exact controllability of Sobolev-type Hilfer fractional neutral delay Volterra-Fredholm integro-differential systems.
Velusamy Vijayakumar   +2 more
doaj   +1 more source

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