The selection of electrical analog components from computational model impedance spectra
Public Deposited- Last Modified
- March 21, 2019
- Creator
-
Phelps, Lucy Perkins
- Affiliation: School of Medicine, UNC/NCSU Joint Department of Biomedical Engineering
- Abstract
- Lumped parameter models can be used as accurate boundary conditions in hemodynamic modeling, requiring only the estimation of a few physiologically relevant parameters. The best way to estimate these parameters (typically resistances and capacitances) has seen much investigation, but all current techniques require experimental (or periodic time-domain) blood pressure or blood flow data. A method that can estimate lumped parameter model components using only impedance spectra would widen the scope of usefulness for lumped parameter models as boundary conditions. Their usefulness would then include cases where such data cannot be obtained. The methods presented in this work estimate the resistance and capacitance values of two- and three-element Windkessel models using only features found in typical impedance spectra. Comparing these methods to "gold standard" pressure and flow data, each other, and previously published methods can determine the accuracy of a 'Fourier-domain only' strategy.
- Date of publication
- December 2010
- DOI
- Resource type
- Rights statement
- In Copyright
- Note
- "... in partial fulfillment of the requirements for the degree of Master of Science in the UNC/NCSU Joint Department of Biomedical Engineering."
- Advisor
- Steele, Brooke N.
- Degree granting institution
- University of North Carolina at Chapel Hill
- Language
- Publisher
- Place of publication
- Chapel Hill, NC
- Access right
- Open access
- Date uploaded
- March 18, 2013
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