Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Analysis of polarization dynamics by singularity decomposition method.

H Sun1, A Charef, Y Y Tsao

  • 1Biomedical Engineering and Science Institute, Drexel University, Philadelphia, PA 19104.

Annals of Biomedical Engineering
|January 1, 1992
PubMed
Summary

This study presents a new method for analyzing the electrical properties of materials using the Fractional Power Pole (FPP) function. The technique decomposes material singularities and simulates them with electrical networks for better characterization.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Spatial assessment and source identification of trace metal pollution in stream sediments of Oued El Maadene basin, northern Tunisia.

Environmental monitoring and assessment·2016
Same author

A medium-term, stochastic forecast model to support sustainable, mixed fisheries management in the Mediterranean Sea.

Journal of fish biology·2013
Same author

Distribution of 16 EPA-priority polycyclic aromatic hydrocarbons (PAHs) in sludges collected from nine Tunisian wastewater treatment plants.

Journal of hazardous materials·2010
Same author

Prefrontal hemodynamic changes produced by anodal direct current stimulation.

NeuroImage·2009
Same author

Fractional wavelet for R-Wave detection in ECG signal.

Critical reviews in biomedical engineering·2009
Same author

Error introduced in the dielectric constant measurement by electrode polarization.

Biophysical journal·2009

Area of Science:

  • Electrical Engineering
  • Materials Science
  • Physics

Background:

  • The driving point immittance function characterizes polarized materials and interfaces, often exhibiting power-law frequency dependence.
  • This behavior is a macroscopic dynamical property observed in diverse materials like dielectrics, viscoelastic substances, and magnetic systems.
  • Linear interfacial polarization at metal electrode-electrolyte interfaces is modeled using the Fractional Power Pole (FPP) function, also known as the Davidson-Cole function.

Purpose of the Study:

  • To review a modified singularity decomposition of the FPP function within a defined error margin.
  • To demonstrate the simulation of material properties using a cascade Resistor-Capacitor (R-C) network.
  • To apply the decomposition method to the Cole-Cole function and synthesize an equivalent cascade R-C network.

Related Experiment Videos

Main Methods:

  • Reviewing a modified singularity decomposition technique for the Fractional Power Pole (FPP) function.
  • Obtaining the distribution spectrum and simulating it with a cascade R-C network.
  • Applying the decomposition method to the Cole-Cole function to determine pole-zero placement and synthesize an equivalent cascade R-C network.

Main Results:

  • A modified singularity decomposition of the FPP function is presented within a specified error range.
  • The distribution spectrum and corresponding cascade R-C network simulation are readily obtained.
  • The Cole-Cole function is decomposed, its singularity function's pole-zero placement is determined, and an equivalent cascade R-C network is synthesized.

Conclusions:

  • The singularity decomposition method provides a means to simulate material immittance functions with cascade R-C networks.
  • This approach facilitates the analysis and modeling of complex dielectric and viscoelastic polarization dynamics.
  • The method extends to functions like the Cole-Cole function, enabling the synthesis of equivalent electrical circuit models.