Articles with "dynamic mode" as a keyword



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Movement correction in DCE-MRI through windowed and reconstruction dynamic mode decomposition

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Published in 2017 at "Machine Vision and Applications"

DOI: 10.1007/s00138-017-0835-5

Abstract: Images of the kidneys using dynamic contrast-enhanced magnetic resonance renography (DCE-MRR) contains unwanted complex organ motion due to respiration. This gives rise to motion artefacts that hinder the clinical assessment of kidney function. However, due… read more here.

Keywords: dynamic mode; windowed reconstruction; movement correction; movement ... See more keywords

On Convergence of Extended Dynamic Mode Decomposition to the Koopman Operator

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Published in 2018 at "Journal of Nonlinear Science"

DOI: 10.1007/s00332-017-9423-0

Abstract: Extended dynamic mode decomposition (EDMD) (Williams et al. in J Nonlinear Sci 25(6):1307–1346, 2015) is an algorithm that approximates the action of the Koopman operator on an N-dimensional subspace of the space of observables by… read more here.

Keywords: dynamic mode; extended dynamic; koopman operator; operator ... See more keywords
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Real-time states estimation of a farm tractor using dynamic mode decomposition

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Published in 2020 at "GPS Solutions"

DOI: 10.1007/s10291-020-01051-5

Abstract: We present a pure data-driven method to estimate vehicle dynamics from the measurements of sideslip and yaw rate in the use of GPS and inertial navigation system. The GPS and INS configuration provides vehicle position,… read more here.

Keywords: dynamic mode; mode decomposition; real time; vehicle ... See more keywords
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Water decontamination containing nitrate using biosorption with Moringa oleifera in dynamic mode

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Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-2289-3

Abstract: This study was conducted to assess the feasibility of using Moringa oleifera Lam. (MO) seeds in the biosorption of nitrate present in aqueous solutions by means of batch and fixed-bed column biosorption processes. The batch… read more here.

Keywords: dynamic mode; moringa oleifera; decontamination containing; biosorption ... See more keywords
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A data-driven strategy for xenon dynamical forecasting using dynamic mode decomposition

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Published in 2020 at "Annals of Nuclear Energy"

DOI: 10.1016/j.anucene.2020.107826

Abstract: Abstract Detection and prediction of xenon induced oscillations are an important part in the operation of pressurized water reactors. Several models have been proposed for the prediction or estimation of xenon oscillations with drawbacks e.g.… read more here.

Keywords: dynamic mode; mode decomposition; xenon; data driven ... See more keywords

Local electrochemical impedance spectroscopy in dynamic mode of galvanic coupling

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Published in 2018 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2018.05.192

Abstract: Abstract A novel method that combines local electrochemical impedance spectroscopy and mapping in dynamic mode is proposed. Method was validated over two galvanic couplings, namely zinc/copper and cadmium/copper. Impedance spectrum response for all measuring points… read more here.

Keywords: local electrochemical; dynamic mode; electrochemical impedance; spectroscopy ... See more keywords
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Dynamic Mode Decomposition for nonintrusive and robust Model Predictive Control of residential heating systems

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Published in 2021 at "Energy and Buildings"

DOI: 10.1016/j.enbuild.2021.111450

Abstract: Abstract Obtaining accurate models for heating and building systems is crucial for prediction and control in the context of energy effciency and demand response. Models should be both computationally and data-effcient, as well as easy… read more here.

Keywords: dynamic mode; control; residential heating; heating systems ... See more keywords
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Dynamic Mode Ⅱ fracture behavior of rocks under hydrostatic pressure using the short core in compression (SCC) method

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Published in 2021 at "International Journal of Mining Science and Technology"

DOI: 10.1016/j.ijmst.2021.08.001

Abstract: Abstract The shear failure of rocks under both a static triaxial stress and a dynamic disturbance is common in deep underground engineering and it is therefore essential for the design of underground engineering to quantitively… read more here.

Keywords: dynamic mode; fracture; method; scc ... See more keywords
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Data-driven experimental modal analysis by Dynamic Mode Decomposition

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Published in 2020 at "Journal of Sound and Vibration"

DOI: 10.1016/j.jsv.2020.115434

Abstract: Abstract This paper discusses the application of Dynamic Mode Decomposition (DMD) to the extraction of modal properties of linear mechanical systems, i.e., experimental modal analysis (EMA). First, theoretical background of the DMD is briefly reviewed… read more here.

Keywords: dynamic mode; modal parameters; modal analysis; experimental modal ... See more keywords
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Dynamic Mode Decomposition on pressure flow field analysis: Flow field reconstruction, accuracy, and practical significance

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Published in 2020 at "Journal of Wind Engineering and Industrial Aerodynamics"

DOI: 10.1016/j.jweia.2020.104278

Abstract: Abstract This study applies the Dynamic Mode Decomposition (DMD) technique to a prototypical wind engineering problem of flow past a square prism at a Reynolds number of 22,000 to investigate the DMD’s accuracy and practical… read more here.

Keywords: reconstruction; dmd; dynamic mode; field ... See more keywords
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Spatial Covariance Modeling for Stochastic Subgrid‐Scale Parameterizations Using Dynamic Mode Decomposition

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Published in 2020 at "Journal of Advances in Modeling Earth Systems"

DOI: 10.1029/2020ms002115

Abstract: Stochastic parameterizations are increasingly being used in climate modeling to represent subgrid‐scale processes. While different parameterizations are being developed considering different aspects of the physical phenomena, less attention is given to technical and numerical aspects.… read more here.

Keywords: subgrid scale; dynamic mode; covariance; mode decomposition ... See more keywords