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Now showing items 17607-17626 of 50233
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Nonlinear Dynamics Tools for Offline Signature Verification Using One-class Gaussian Process
( World Scientific Publishing Co. Pte Ltd , 2019 , Article)One of the major problems in biometrics and in document forensics is the offline mode of signature verification. This study aims to present a novel approach of verifying an individual's signature through offline images of ... -
Nonlinear fault diagnosis of jet engines by using a multiple model-based approach
( ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition, GT2011 , 2011 , Conference Paper)In this paper, a nonlinear fault detection and isolation (FDI) scheme that is based on the concept of multiple model (MM) approach is proposed for jet engines. A modular and a hierarchical architecture is proposed which ... -
Nonlinear fault diagnosis of jet engines by using a multiple model-based approach
( ASME , 2012 , Article)In this paper, a nonlinear fault detection and isolation (FDI) scheme that is based on the concept of multiple model approach is proposed for jet engines. A modular and a hierarchical architecture is proposed which enables ... -
Nonlinear finite element analysis of fibre-reinforced polymer/concrete joints
( SAGE Publications Inc. , 2016 , Article)The objective of this research work is to simulate the interfacial shear response of fibre-reinforced polymer/concrete joints using a micromechanics-based concrete approach. The M4 version of the microplane concrete theory ... -
Nonlinear forced vibrations of multi-scale epoxy/CNT/fiberglass truncated conical shells and annular plates via 3D Mori-Tanaka scheme
( Techno-Press , 2020 , Article)In the context of classic conical shell formulation, nonlinear forced vibration analysis of truncated conical shells and annular plates made of multi-scale epoxy/CNT/fiberglass composites has been presented. The composite ... -
Nonlinear forced vibrations of sandwich smart nanobeams with two-phase piezo-magnetic face sheets
( Springer Verlag , 2019 , Article)The present research is devoted to examine nonlinear forced vibration behavior of sandwich nanobeams with piezo-magnetic face sheets and rested on a hardening elastic substrate based on ordinary differential nonlocal ... -
Nonlinear free and forced vibrations of graphene nanoplatelet reinforced microbeams with geometrical imperfection
( Springer Verlag , 2019 , Article)Nonlinear free/forced vibration of a functionally graded graphene nanoplatelet (GNP) reinforced microbeam having geometrical imperfection which is rested on a non-linear elastic substrate have been studied in the present ... -
A Nonlinear Model of Newborn EEG with Nonstationary Inputs
( Springer US , 2010 , Article)Newborn EEG is a complex multiple channel signal that displays nonstationary and nonlinear characteristics. Recent studies have focussed on characterizing the manifestation of seizure on the EEG for the purpose of automated ... -
Nonlinear modeling and dynamic analysis of bioengineering hyper-elastic tubes based on different material models
( Springer , 2019 , Article)In this research, nonlinear vibrations of a hyper-elastic tube accounting for large deflection and moderate rotation have been examined. The hyper-elastic tube is assumed to be surrounded by a nonlinear hardening elastic ... -
Nonlinear stochastic drillstrings vibrations: Parametric study for stick-slip suppression
( Institute of Physics Publishing , 2018 , Conference Paper)Unstable vibrations caused by the transition between static and kinetic frictions produces stick-slip motions which is one of the primary causes of poor drilling efficiency and mechanism failure in the drilling process. ... -
Nonlinear stochastic modeling for optimal dispatch of distributed energy resources in active distribution grids including reactive power
( Elsevier B.V. , 2019 , Article)This paper deals with energy storage system (ESS) in active distribution networks. The purpose is to install ESSs on the grid to minimize network losses. The problem is expressed as an optimization programming to minimize ... -
Nonlinear Suboptimal Tracking Controller Design Using State-Dependent Riccati Equation Technique
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)In this brief, a new technique for solving a suboptimal tracking problem for a class of nonlinear dynamical systems is presented. Toward this end, an optimal tracking problem using a discounted cost function is defined and ... -
Nonlinear thermal buckling of axially functionally graded micro and nanobeams
( Elsevier Ltd , 2017 , Article)In this study, the nonlinear thermal buckling of axially functionally graded (AFG) Euler-Bernoulli micro/nanobeams is analyzed. The Eringen's nonlocal elasticity theory is used to develop the governing equations of nanobeam ... -
Nonlinear unemployment effects of the inflation tax
( Elsevier , 2022 , Article)Long-run inflation has nonlinear and state-dependent effects on unemployment, output, and welfare. We show this using a standard monetary search model with two shocks – productivity and monetary – and frictions in both ... -
Nonlinear vibrations of variable thickness curved panels made of multi-scale epoxy/fiberglass/CNT material using Jacobi elliptic functions
( Taylor and Francis Ltd. , 2022 , Article)This article deals with nonlinear vibration study of variable thickness cylindrical panels made of multi-scale composite materials containing epoxy matrix, glass fibers, and carbon nanotubes (CNTs). The elastic properties ... -
Nonlocal damage modelling in clay/epoxy nanocomposites using a multiscale approach
( Elsevier , 2016 , Article)This study proposed a concurrent multiscale method to model damage in clay/epoxy nanocomposites. The method uses a nonlocal damage formulation to regularize the damage model. The multiscale method used, is based on the ... -
Nonlocal strain gradient effects on forced vibrations of porous FG cylindrical nanoshells
( Techno-Press , 2020 , Article)The present paper explores forced vibrational properties of porosity-dependent functionally graded (FG) cylindrical nanoshells exposed to linear-type or triangular-type impulse load via classical shell theory (CST) and ... -
A nonparametric feature for neonatal EEG seizure detection based on a representation of pseudo-periodicity
( Elsevier Ltd , 2011 , Article)Automated methods of neonatal EEG seizure detection attempt to highlight the evolving, stereotypical, pseudo-periodic, nature of EEG seizure while rejecting the nonstationary, modulated, coloured stochastic background in ... -
Nonparametric multivariate covariance chart for monitoring individual observations
( Elsevier , 2022 , Article)Parametric and nonparametric multivariate control charts that are proven very useful in monitoring the covariance matrix of multivariate normally or “nearly” normally distributed continuous datasets have been proposed in ... -
Nonparametric structural damage detection algorithm for ambient vibration response: Utilizing artificial neural networks and self-organizing maps
( American Society of Civil Engineers (ASCE) , 2016 , Article)This study presentes a new nonparametric structural damage detection algorithm that integrates self-organizing maps with a pattern-recognition neural network to quantify and locate structural damage. In this algorithm, ...