Todd J. Freeborn

48 papers B 1C 7Journal 24Unranked 16
YearRankTypeTitle / Venue / Authors
2025 J jnl
Digitally Controllable Multifrequency Impedance Emulator for Bioimpedance Hardware Validation.
Int. J. Circuit Theory Appl.
Dmitrii Semenov, Todd J. Freeborn
2024 J jnl
Smartphone-Based Parameter Estimation of the Cole-Impedance Model for Assessment of Agricultural Goods.
IEEE Access
Mitar Simic, Todd J. Freeborn, Goran M. Stojanovic
2024 J jnl
Ultrasound DICOM Renamer: A MATLAB graphical user interface for workflow improvement for DICOM ultrasound renaming.
SoftwareX
Todd J. Freeborn, Jacob A. Mota
2023 J jnl
Segmental Tissue Resistance of Healthy Young Adults during Four Hours of 6-Degree Head-Down-Tilt Positioning.
Sensors
Todd J. Freeborn, Shelby Critcher, Gwendolyn L. Hooper
2021 J jnl
Analysis of localized bioimpedance from healthy young adults during activities of the vocal folds using Cole-impedance model representation.
Biomed. Signal Process. Control.
Todd J. Freeborn, Memorie Gosa
2021 — conf
Bioimpedance Alterations of Knee Site Tissues During Dynamic Activity of Varying Intensity.
TSP
Todd J. Freeborn, Shelby Critcher
2021 — conf
Estimating Cole-Impedance Parameters from Limited Frequency-Band Impedance Measurements.
LASCAS
Todd J. Freeborn, Shelby Critcher
2021 J jnl
Flexible PCB Failures From Dynamic Activity and Their Impacts on Bioimpedance Measurements: A Wearable Case Study.
IEEE Open J. Circuits Syst.
Shelby Critcher, Todd J. Freeborn
2021 J jnl
Localized Bioimpedance Measurements with the MAX3000x Integrated Circuit: Characterization and Demonstration.
Sensors
Shelby Critcher, Todd J. Freeborn
2021 — conf
Residual Impedance Impact on MAX30001 Accuracy for Bioimpedance Applications.
LASCAS
Shelby Critcher, Todd J. Freeborn
2021 — conf
Short-Term Segmental Bioimpedance Alterations During 6° Head-Down Tilt.
EMBC
Todd J. Freeborn, Shelby Critcher, Gwendolyn L. Hooper
2020 J jnl
A Comparative Study of Two Fractional-Order Equivalent Electrical Circuits for Modeling the Electrical Impedance of Dental Tissues.
Entropy
Norbert Herencsar, Todd J. Freeborn, Aslihan Kartci, Oguzhan Cicekoglu
2020 — conf
Experimental Validation of CT-Snubber for Multichip SiC MOSFET Power Module.
MWSCAS
Bo Fu, Ali Shahabi, Todd J. Freeborn, Andrew N. Lemmon, Mithat C. Kisacikoglu
2020 J jnl
Localized Bicep Tissue Bioimpedance Alterations Following Eccentric Exercise in Healthy Young Adults.
IEEE Access
Todd J. Freeborn, Gabriella Regard, Bo Fu
2020 J jnl
Modeling and experimental validation of parasitic capacitance effects on emulated bioimpedance measurements with high-impedance residuals.
Int. J. Circuit Theory Appl.
Robert Joseph Mathews, Todd J. Freeborn
2020 — conf
Multi-Site Impedance Measurement System based on MAX30001 Integrated-Circuit.
MWSCAS
Shelby Critcher, Todd J. Freeborn
2019 J jnl
Fractional-order band-pass filter design using fractional-characteristic specimen functions.
Microelectron. J.
David Kubánek, Todd J. Freeborn, Jaroslav Koton
2019 J jnl
Modeling and Validation of Fixture-Induced Error for Impedance Measurements.
IEEE Trans. Instrum. Meas.
Blake W. Nelson, Andrew N. Lemmon, Brian T. DeBoi, Todd J. Freeborn
2019 J jnl
Performance evaluation of raspberry Pi platform for bioimpedance analysis using least squares optimization.
Pers. Ubiquitous Comput.
Todd J. Freeborn
2019 J jnl
Rates and Effects of Local Minima on Fractional-Order Circuit Model Parameters Extracted from Supercapacitor Discharging Using Least Squares Optimization.
Circuits Syst. Signal Process.
Todd J. Freeborn, Ahmed S. Elwakil
2019 — conf
Transfer Functions of Fractional-Order Band-Pass Filter with Arbitrary Magnitude Slope in Stopband.
TSP
David Kubánek, Todd J. Freeborn, Jaroslav Koton, Jan Dvorak
2018 C conf
Changes of Fractional-Order Model Parameters in Biceps Tissue from Fatiguing Exercise.
ISCAS
Todd J. Freeborn, Gary W. Bohannan
2018 — conf
Estimating Localized Bio-impedance with Measures from Multiple Redundant Electrode Configurations.
EMBC
Bo Fu, Todd J. Freeborn
2018 J jnl
Extraction of Phase Information from Magnitude-Only Bio-impedance Measurements Using a Modified Kramers-Kronig Transform.
Circuits Syst. Signal Process.
Abdulwadood A. Al-Ali, Ahmed S. Elwakil, Brent Maundy, Todd J. Freeborn
2018 — conf
Fractional-order Lowpass Elliptic Responses of (1+α)-order Transfer Functions.
TSP
Todd J. Freeborn, David Kubánek, Jaroslav Koton, Jan Dvorak
2018 — conf
Performance Analysis of Oustaloup Approximation for the Design of Fractional-Order Analogue Circuits.
ICUMT
Jaroslav Koton, Jorgen Hagset Stavnesli, Todd J. Freeborn
2018 C conf
Supercapacitor Fractional-Order Model Discharging from Polynomial Time-Varying Currents.
ISCAS
Todd J. Freeborn, Ahmed S. Elwakil, Anis Allagui
2017 — conf
Design of a wood tissue impedance emulator in monolithic form.
ECCTD
Costas Vastarouchas, Georgia Tsirimokou, Todd J. Freeborn, Costas Psychalinos, Ahmed S. Elwakil
2017 J jnl
Low-voltage commercial super-capacitor response to periodic linear-with-time current excitation: a case study.
IET Circuits Devices Syst.
Ahmed S. Elwakil, Ahmed G. Radwan, Todd J. Freeborn, Anis Allagui, Brent J. Maundy, Mohamed E. Fouda
2017 — conf
Modelling supercapacitors leakage behaviour using a fractional-order model.
ECCTD
Todd J. Freeborn, Anis Allagui, Ahmed S. Elwakil
2017 C conf
Variability of supercapacitor fractional-order parameters extracted from discharging behavior using least squares optimization.
ISCAS
Todd J. Freeborn, Ahmed S. Elwakil
2016 — conf
Analysis of a rectifier circuit realized with a fractional-order capacitor.
ICM
Todd J. Freeborn, Ahmed S. Elwakil, Costas Psychalinos
2016 J jnl
Approximated Fractional-Order Inverse Chebyshev Lowpass Filters.
Circuits Syst. Signal Process.
Todd J. Freeborn, Ahmed S. Elwakil, Brent Maundy
2016 J jnl
Comparison of (1+α) Fractional-Order Transfer Functions to Approximate Lowpass Butterworth Magnitude Responses.
Circuits Syst. Signal Process.
Todd J. Freeborn
2016 C conf
Determination of supercapacitor metrics using a magnitude-only method.
ISCAS
Brent J. Maundy, Ahmed S. Elwakil, Todd J. Freeborn, Anis Allagui
2016 — conf
Electrode location impact on cole-impedance parameters using magnitude-only measurements.
MWSCAS
Todd J. Freeborn, Ahmed S. Elwakil, Brent Maundy
2016 J jnl
Emulation of current excited fractional-order capacitors and inductors using OTA topologies.
Microelectron. J.
Georgia Tsirimokou, Costas Psychalinos, Todd J. Freeborn, Ahmed S. Elwakil
2016 B conf
Factors impacting accurate Cole-impedance extractions from magnitude-only measurements.
SMC
Todd J. Freeborn, Ahmed S. Elwakil, Brent Maundy
2016 — conf
Improved method to determine supercapacitor metrics from highpass filter response.
ICM
Brent J. Maundy, Ahmed S. Elwakil, Todd J. Freeborn, Anis Allagui
2014 J jnl
Extracting the parameters of the double-dispersion Cole bioimpedance model from magnitude response measurements.
Medical Biol. Eng. Comput.
Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil
2013 J jnl
A Survey of Fractional-Order Circuit Models for Biology and Biomedicine.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Todd J. Freeborn
2013 C conf
Accurate time domain extraction of supercapacitor fractional-order model parameters.
ISCAS
Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil
2013 J jnl
Measurement of Supercapacitor Fractional-Order Model Parameters From Voltage-Excited Step Response.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil
2013 — conf
Simplifying Cole-impedance extraction from the current-excited step response.
MWSCAS
Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil
2012 C conf
Improved Cole-Cole parameter extraction from frequency response using least squares fitting.
ISCAS
Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil
2011 J jnl
On the practical realization of higher-order filters with fractional stepping.
Signal Process.
Brent Maundy, Ahmed S. Elwakil, Todd J. Freeborn
2010 J jnl
Field programmable analogue array implementation of fractional step filters.
IET Circuits Devices Syst.
Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil
2010 C conf
Towards the realization of fractional step filters.
ISCAS
Todd J. Freeborn, Brent Maundy, Ahmed S. Elwakil