Results 11 to 20 of about 9,922,765 (307)

Identification of nonlinear interconnected systems [PDF]

open access: yes, 2009
This thesis was submitted for the degree of Master of Philosophy and awarded by Brunel University.In this work we address the problem of identifying a discrete-time nonlinear system composed of a linear dynamical system connected to a static nonlinear ...
Pepona, Eleni
core   +7 more sources

Non-Mechanical Beam Steering with Polarization Gratings: A Review

open access: yesCrystals, 2021
Polarization gratings (PGs) enable a novel architecture for dynamic non-mechanical steering of light over large angles and with large clear apertures. This beam steering approach has many applications in active sensing and optical communications. In this
Christopher Hoy   +5 more
doaj   +1 more source

Higher order solitary solutions to the meta-model of diffusively coupled Lotka–Volterra systems

open access: yesAdvances in Difference Equations, 2021
A meta-model of diffusively coupled Lotka–Volterra systems used to model various biomedical phenomena is considered in this paper. Necessary and sufficient conditions for the existence of nth order solitary solutions are derived via a modified inverse ...
Inga Timofejeva   +4 more
doaj   +1 more source

Driven Force Induced Bifurcation Delay on the Chaotic Financial System

open access: yesComplexity, 2022
To understand the variations in the financial characteristics, we examine the dynamical behaviors by considering the chaotic financial model with external force.
Balamurali Ramakrishnan   +3 more
doaj   +1 more source

Automatic Detection of Cracks on Concrete Surfaces in the Presence of Shadows

open access: yesSensors, 2022
Deep learning-based methods, especially convolutional neural networks, have been developed to automatically process the images of concrete surfaces for crack identification tasks.
Paulius Palevičius   +5 more
doaj   +1 more source

An Overview of Challenges Associated with Automatic Detection of Concrete Cracks in the Presence of Shadows

open access: yesApplied Sciences, 2021
Detection and assessment of cracks in civil engineering structures such as roads, bridges, dams and pipelines are crucial tasks for maintaining the safety and cost-effectiveness of those concrete structures.
Mayur Pal   +5 more
doaj   +1 more source

Strain and pseudo-magnetic fields in optical lattices from density-assisted tunneling

open access: yesCommunications Physics, 2022
Realizing and controlling artificial gauge fields in quantum systems constitutes an intriguing route towards simulating of exotic quantum theories. Here, the authors propose a tunable strategy to engineer strain and synthetic magnetic fields in optical ...
Maxime Jamotte   +2 more
doaj   +1 more source

Nonlinear Systems [PDF]

open access: yes, 2020
The editors of this book have incorporated contributions from a diverse group of leading researchers in the field of nonlinear systems. To enrich the scope of the content, this book contains a valuable selection of works on fractional differential ...

core   +1 more source

Detecting Underwater Concrete Cracks with Machine Learning: A Clear Vision of a Murky Problem

open access: yesApplied Sciences, 2023
This paper presents the development of an underwater crack detection system for structural integrity assessment of submerged structures, such as offshore oil and gas installations, underwater pipelines, underwater foundations for bridges, dams, etc.
Ugnė Orinaitė   +3 more
doaj   +1 more source

Nonlinear Dynamics of a Nonlinear Damping Gyroscope and Its Passive Control

open access: yesJournal of Control Science and Engineering, 2023
This article deals with the analysis of the effects of passive control on the complex dynamics of a nonlinear damping gyroscope. After modeling the gyroscope dynamics under the influence of the control force, using the harmonic balance method, the ...
Semedeton Olivier Hounnan   +2 more
doaj   +1 more source

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