Results 61 to 70 of about 6,421,352 (290)

Model-free based control of a HIV/AIDS prevention model

open access: yesMathematical Biosciences and Engineering, 2022
Controlling an epidemiological model is often performed using optimal control theory techniques for which the solution depends on the equations of the controlled system, objective functional and possible state and/or control constraints.
Loïc Michel   +2 more
doaj   +1 more source

Delta Hedging in Financial Engineering: Towards a Model-Free Approach [PDF]

open access: yes, 2010
Delta hedging, which plays a crucial r\^ole in modern financial engineering, is a tracking control design for a "risk-free" management. We utilize the existence of trends in financial time series (Fliess M., Join C.: A mathematical proof of the existence
Fliess, Michel, Join, Cédric
core   +3 more sources

Phase and Power Control in the RF Magnetron Power Stations of Superconducting Accelerators

open access: yes, 2017
Phase and power control methods that satisfy the requirements of superconducting accelerators to magnetron RF sources were considered by a simplified kinetic model of a magnetron driven by a resonant injected signal.
Johnson, R.   +4 more
core   +3 more sources

DELP Treatment on Vision and Retinal Microcirculation in Patients With Acute Ischemic Stroke: Report of Five Cases and Literature Review

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background The delipid extracorporeal lipoprotein filter from plasma (DELP) treatment can effectively reduce blood lipid, increase blood flow, and improve neurological deficits in patients with acute ischemic stroke (AIS). However, its effect on vision and retinal microcirculation in stroke patients has never been reported.
Ning Li   +9 more
wiley   +1 more source

A Model-Free Online Learning Control for Attitude Tracking of Quadrotors

open access: yesApplied Sciences
This paper investigates the problem of attitude tracking in quadrotor unmanned aerial vehicles (UAVs) using a model-free online learning control (MFOLC) scheme.
Lining Tan   +3 more
doaj   +1 more source

Robust Distance-Based Formation Control of Multiple Rigid Bodies with Orientation Alignment

open access: yes, 2017
This paper addresses the problem of distance- and orientation-based formation control of a class of second-order nonlinear multi-agent systems in 3D space, under static and undirected communication topologies. More specifically, we design a decentralized
Dimarogonas, Dimos V.   +2 more
core   +1 more source

Predicting the Future Burden of Renal Replacement Therapy in Türkiye Using National Registry Data and Comparative Modeling Approaches

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic kidney disease is a growing public health problem worldwide, and the number of patients requiring renal replacement therapy is steadily increasing. Türkiye has experienced a similar rise in both the incidence and prevalence of renal replacement therapy over the past decades; however, national‐level projections of future ...
Arzu Akgül   +2 more
wiley   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

Enhancing Transient Stability in Multi-Machine Power Systems through a Model-Free Fractional-Order Excitation Stabilizer

open access: yesFractal and Fractional
The effective operation of model-based control strategies in modern energy systems, characterized by significant complexity, is contingent upon highly accurate large-scale models.
Arman Fathollahi, Björn Andresen
doaj   +1 more source

The Legalization and Control of Casino Gambling [PDF]

open access: yes, 1980
This article seeks to demonstrate that the spread of legalized gambling is inevitable as states recognize the immense revenue generating capabilities of casinos.
Rose, Nelson
core   +1 more source

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