Results 21 to 30 of about 3,942,743 (256)

Brain controllability and clinical relevance in schizophrenia

open access: yesEuropean Psychiatry, 2022
Introduction Apart from the psychiatric symptoms, cognitive deficits are also the core symptoms of schizophrenia. Brain network control theory provided information on the role of a specific brain region in the cognitive control process, helping ...
Q. Li   +6 more
doaj   +1 more source

Nodal dynamics, not degree distributions, determine the structural controllability of complex networks [PDF]

open access: yes, 2012
Structural controllability has been proposed as an analytical framework for making predictions regarding the control of complex networks across myriad disciplines in the physical and life sciences (Liu et al., Nature:473(7346):167-173, 2011).
A Aazami   +34 more
core   +4 more sources

Local controllability does imply global controllability

open access: yesComptes Rendus. Mathématique, 2023
We say that a control system is locally controllable if the attainable set from any state $x$ contains an open neighborhood of $x$, while it is controllable if the attainable set from any state is the entire state manifold.
Boscain, Ugo   +3 more
doaj   +1 more source

Configuration Controllability of Simple Mechanical Control Systems [PDF]

open access: yes, 1997
In this paper we present a definition of "configuration controllability" for mechanical systems whose Lagrangian is kinetic energy with respect to a Riemannian metric minus potential energy.
Lewis, Andrew D., Murray, Richard M.
core   +1 more source

Eigenvalues assignment in uncontrollable linear systems [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
It is shown that in uncontrollable linear system ẋ = Ax + Bu it is possible to assign arbitrarily the eigenvalues of the closed-loop system with state feedbacks u = Kx, K ∈ ℜn⨉m if rank [A B] = n. The design procedure consists in two steps. In the step 1
Tadeusz Kaczorek
doaj   +1 more source

Overcoming controllability problems with fewest channels between testers [PDF]

open access: yes, 2009
When testing a system that has multiple physically distributed ports/interfaces it is normal to place a tester at each port. Each tester observes only the events at its port and it is known that this can lead to additional controllability problems ...
Hierons, RM, Ural, H
core   +1 more source

On the local exact controllability of micropolar fluids with few controls [PDF]

open access: yes, 2016
In this paper, we study the local exact controllability to special trajectories of the micropolar fluid systems in dimension d = 2 and d = 3. We show that controllability is possible acting only on one velocity.Comment: 25 pages, accepted for publication
Cornilleau, Pierre, Guerrero, Sergio
core   +2 more sources

Linked patterns of symptoms and cognition with brain controllability in major depressive disorder

open access: yesEuropean Psychiatry, 2023
Introduction Major depressive disorder (MDD) is characterized by both clinical symptoms and cognitive deficits. Prior studies have typically examined either symptoms or cognition correlated with brain measures, thus causing a notable paucity of stable ...
Q. Li   +5 more
doaj   +1 more source

Nonequivalence of Controllability Properties for Piecewise Linear Markov Switch Processes *

open access: yesESAIM: Proceedings and Surveys, 2017
In this paper we study the exact null-controllability property for a class of controlled PDMP of switch type with switch-dependent, piecewise linear dynamics and multiplicative jumps.
Goreac Dan
doaj   +1 more source

Linear conformable differential system and its controllability

open access: yesAdvances in Difference Equations, 2020
This article deals with the sequential conformable linear equations. We have focused on the solution techniques of these equations and particularly on the controllability conditions of the time-invariant system.
Awais Younas   +4 more
doaj   +1 more source

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