Results 11 to 20 of about 5,164,293 (343)

High‐order sliding‐mode functional observers for multiple‐input multiple‐output (MIMO) linear time‐invariant systems with unknown inputs

open access: yesInternational Journal of Robust and Nonlinear Control, 2023
For arbitrary multiple‐input multiple‐output linear time invariant systems with unknown inputs this article provides sufficient conditions to estimate linear functionals of the state variables. When the unknown input is uniformly bounded these conditions
Jaime A. Moreno
semanticscholar   +1 more source

Tracking and perceiving diverse motion signals: Directional biases in human smooth pursuit and perception.

open access: yesPLoS ONE, 2022
Human smooth pursuit eye movements and motion perception behave similarly when observers track and judge the motion of simple objects, such as dots. But moving objects in our natural environment are complex and contain internal motion. We ask how pursuit
Xiuyun Wu, Miriam Spering
doaj   +2 more sources

Brain-to-brain hyperclassification reveals action-specific motor mapping of observed actions in humans. [PDF]

open access: yesPLoS ONE, 2017
Seeing an action may activate the corresponding action motor code in the observer. It remains unresolved whether seeing and performing an action activates similar action-specific motor codes in the observer and the actor.
Dmitry Smirnov   +9 more
doaj   +1 more source

Observable Structure Functions [PDF]

open access: yesKybernetes, 1993
Considers the concept of structure function in reliability theory. Complete lattices are considered in order to model the space of performance levels for both system and components, leading to a general concept of structure function. Measurability with respect to the associate order topology is also assumed.
openaire   +4 more sources

Subjective and objective difficulty of emotional facial expression perception from dynamic stimuli.

open access: yesPLoS ONE, 2022
This study aimed to discover predictors of subjective and objective difficulty in emotion perception from dynamic facial expressions. We used a multidimensional emotion perception framework, in which observers rated the perceived emotion along a number ...
Jan N Schneider   +4 more
doaj   +2 more sources

A Note on Functional Observability [PDF]

open access: yesIEEE Transactions on Automatic Control, 2016
In this note, we propose an alternative to characterize the functional observability for linear systems. The main feature is that we obtain a necessary and sufficient condition for the existence of a stable multi-functional observer of a time-invariant linear system.
Rotella, Frédéric, Zambettakis, Irène
openaire   +3 more sources

Men fear other men most: Gender specific brain activations in perceiving threat from dynamic faces and bodies. An fMRI study. [PDF]

open access: yes, 2010
We report a functional magnetic resonance imaging experiment showing different activation patterns as a function of threatening signals from facial or bodily expressions and these differed between male and female participants as a function of male and ...
Beatrice de Gelder   +3 more
core   +17 more sources

Visual perceptual learning modulates microsaccade rate and directionality

open access: yesScientific Reports, 2023
Microsaccades, incessant “fixational eye movements” (
Shao-Chin Hung   +2 more
doaj   +1 more source

Inferential eye movement control while following dynamic gaze

open access: yeseLife, 2023
Attending to other people’s gaze is evolutionary important to make inferences about intentions and actions. Gaze influences covert attention and triggers eye movements.
Nicole Xiao Han   +1 more
doaj   +1 more source

Functional Observability and the Design of Minimum Order Linear Functional Observers [PDF]

open access: yesIEEE Transactions on Automatic Control, 2010
The design of a minimum-order linear functional observer for linear time-invariant systems has been an open problem for over four decades. This technical note provides a solution to this problem. The technical note also introduces the concept of Functional Observability/Detectability and shows that the well-known concept of Observability/Detectability ...
Tyrone Lucius Fernando   +2 more
openaire   +1 more source

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