Results 61 to 70 of about 4,213 (228)

H∞ Control for Network-Based 2D Systems with Missing Measurements

open access: yesAbstract and Applied Analysis, 2014
The problem of H∞ control for network-based 2D systems with missing measurements is considered. A stochastic variable satisfying the Bernoulli random binary distribution is utilized to characterize the missing measurements.
Bu Xuhui   +3 more
doaj   +1 more source

No added cost: Emotion recognition in co‐occurring ADHD and ASD

open access: yesBritish Journal of Clinical Psychology, EarlyView.
Abstract Objectives Facial emotion recognition (FER) is fundamental for social interaction, yet this ability is often impaired in attention‐deficit/hyperactivity disorder (ADHD) or autism spectrum disorder (ASD). While research has documented these difficulties, two key questions remain: Are these deficits specific to recognising emotions or do they ...
Irene Sophia Plank   +4 more
wiley   +1 more source

Riccati-Based Feedback Stabilized Navier-Stokes Flow

open access: yes, 2013
Closed-loop simulation of Navier-Stokes flow within "von Kármán vortex street". The vertical component of the velocity field is illustrated. The top video shows the velocity field without any feedback. The middle video shows the influence of the initial
Weichelt, Heiko   +1 more
core   +1 more source

A Joint Distribution-Based Testability Metric Estimation Model for Unreliable Tests

open access: yesIEEE Access, 2018
The selection of tests required to make complex systems testable is a fundamental of system-level fault diagnosis. To evaluate the test selection, testability metric estimation (TME) is required.
Xuerong Ye   +4 more
doaj   +1 more source

Bayesian inference for dynamic Q matrices and attribute trajectories in hidden Markov diagnostic classification models

open access: yesBritish Journal of Mathematical and Statistical Psychology, EarlyView.
Abstract Hidden Markov diagnostic classification models capture how students' cognitive attributes evolve over time. This paper introduces a Bayesian Markov chain Monte Carlo algorithm for diagnostic classification models that jointly estimates time‐varying Q matrices, latent attributes, item parameters, attribute class proportions and transition ...
Chen‐Wei Liu
wiley   +1 more source

On some queueing systems with server vacations, extended vacations, breakdowns, delayed repairs and stand-bys

open access: yes, 2012
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This research investigates a batch arrival queueing system with a Bernoulli scheduled vacation and random system breakdowns.
Khalaf, Rehab
core  

Customer impatience in the GI/M(k)/1/N queue with working vacation: Economic and performance analysis

open access: yesCroatian Operational Research Review
This study investigates a GI/M(k)/1/N queueing system with Bernoulli feedback and multiple working vacation policy. The model incorporates customer impatience and accounts for the retention of reneged customers.
Abdelhak Guendouzi, Allal Saadaoui
doaj   +1 more source

Fuzzy Dynamic Output Feedback Control for T-S Fuzzy Discrete-Time Systems With Multiple Time-Varying Delays and Unmatched Disturbances

open access: yesIEEE Access, 2018
This paper addressed the fuzzy dynamic output feedback control problem for a class of nonlinear discrete-time Takagi-Sugeno (T-S) fuzzy systems with multiple time-varying delays and unmatched disturbances.
Wei Zheng   +4 more
doaj   +1 more source

To provide pollinator nesting habitat, cut dead perennial stems in their first winter

open access: yesInsect Conservation and Diversity, EarlyView.
Garden management practises need to consider stem‐nesting bees and wasps to avoid destroying active nests and important nesting materials. Volunteers collected samples of dead stems (in situ where they grew) in winter, spring, summer and fall as part of a participatory research project.
Hannah K. Levenson   +3 more
wiley   +1 more source

The Bernoulli Feedback Queue with Balking: stochastic order results and equilibrium joining rules [PDF]

open access: yes, 2005
We consider customer joining behaviour for a system that consists of a FCFS queue with Bernoulli feedback. A consequence of the feedback characteristic is that the sojourn time of a customer already in the system depends on the joining decisions taken by
Collins, E.J.   +3 more
core  

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