Results 21 to 30 of about 2,566,571 (236)

Multiparameter Fractional Difference Linear Control Systems

open access: yesDiscrete Dynamics in Nature and Society, 2014
The Riemann-Liouville-, Caputo-, and Grünwald-Letnikov-type fractional order difference operators are discussed and used to state and solve the controllability and observability problems of linear fractional order discrete-time control systems with ...
Dorota Mozyrska
doaj   +1 more source

Optimal motion control and vibration suppression of flexible systems with inaccessible outputs [PDF]

open access: yes, 2011
This work addresses the optimal control problem of dynamical systems with inaccessible outputs. A case in which dynamical system outputs cannot be measured or inaccessible.
Celebi, Besir   +8 more
core   +1 more source

Chain Controllability of Linear Control Systems

open access: yesSIAM Journal on Control and Optimization
For linear control systems with bounded control range, chain controllability properties are analyzed. It is shown that there exists a unique chain control set and that it equals the sum of the control set around the origin and the center Lyapunov space of the homogeneous part.
Fritz Colonius   +2 more
openaire   +2 more sources

Backward Linear Control Systems on Time Scales

open access: yes, 2010
We show how a linear control systems theory for the backward nabla differential operator on an arbitrary time scale can be obtained via Caputo's duality. More precisely, we consider linear control systems with outputs defined with respect to the backward
Pawluszewicz, Ewa, Torres, Delfim F. M.
core   +1 more source

Return condition for oscillating systems

open access: yesVisnik Harkivsʹkogo Nacionalʹnogo Universitetu im. V.N. Karazina. Cepiâ Matematika, Prikladna Matematika i Mehanika
This paper is devoted to the problem of null-controllability for the oscillating linear system $\dot{x}_{2i-1} = x_{2i}, \dot{x}_{2i} = - x_{2i-1} + u$, $i = \overline{1,n}$ with constraints on the control $u \in [c, 1]$ and $u \in \{c, 1\}$ in the case ...
Oleh Vozniak, Valery Korobov
doaj   +1 more source

The Use of Linear Control Laws with Non-Linear Systems

open access: yesMeasurement + Control, 1976
The problem of providing optimal regulation of non-linear systems has been one of long standing and has been solved usually by empirical techniques with, seemingly, no relief provided by the methods based on the newer theories of control.
D. McLean
doaj   +1 more source

Direct and Indirect Couplings in Coherent Feedback Control of Linear Quantum Systems [PDF]

open access: yes, 2011
The purpose of this paper is to study and design direct and indirect couplings for use in coherent feedback control of a class of linear quantum stochastic systems.
James, Matthew R., Zhang, Guofeng
core   +1 more source

Optimal Finite-time Control of Positive Linear Discrete-time Systems [PDF]

open access: yesJournal of Electrical and Computer Engineering Innovations, 2016
This paper considers solving optimization problem for linear discrete time systems such that closed-loop discrete-time system is positive (i.e., all of its state variables have non-negative values) and also finite-time stable.
Gholam Reza Rezaei   +2 more
doaj   +1 more source

LQ Control for Coordinated Linear Systems

open access: yesIEEE Transactions on Automatic Control, 2014
Coordinated linear systems are a special class of hierarchical linear systems, with a strict top-to-bottom information structure. The LQ problem over all structure-preserving static state feedbacks is discussed. The overall control problem separates into conditionally independent subproblems, a numerical approach to their solution is derived, and the ...
Kempker, P.L.   +2 more
openaire   +4 more sources

Network Synthesis of Linear Dynamical Quantum Stochastic Systems [PDF]

open access: yes, 2009
The purpose of this paper is to develop a synthesis theory for linear dynamical quantum stochastic systems that are encountered in linear quantum optics and in phenomenological models of linear quantum circuits.
Doherty, A. C.   +2 more
core   +3 more sources

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