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Cardiac Pulse Modeling Using a Modified van der Pol Oscillator and Genetic Algorithms

  • Fabián M. Lopez-Chamorro
  • Andrés F. Arciniegas-Mejia
  • David Esteban Imbajoa-Ruiz
  • Paul D. Rosero-Montalvo
  • Pedro García
  • Andrés Eduardo Castro-Ospina
  • Antonio Acosta
  • Diego Hernán Peluffo-Ordóñez
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10813)

Abstract

This paper proposes an approach for modeling cardiac pulses from electrocardiographic signals (ECG). A modified van der Pol oscillator model (mvP) is analyzed, which, under a proper configuration, is capable of describing action potentials, and, therefore, it can be adapted for modeling a normal cardiac pulse. Adequate parameters of the mvP system response are estimated using non-linear dynamics methods, like dynamic time warping (DTW). In order to represent an adaptive response for each individual heartbeat, a parameter tuning optimization method is applied which is based on a genetic algorithm that generates responses that morphologically resemble real ECG. This feature is particularly relevant since heartbeats have intrinsically strong variability in terms of both shape and length. Experiments are performed over real ECG from MIT-BIH arrhythmias database. The application of the optimization process shows that the mvP oscillator can be used properly to model the ideal cardiac rate pulse.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Fabián M. Lopez-Chamorro
    • 1
  • Andrés F. Arciniegas-Mejia
    • 1
  • David Esteban Imbajoa-Ruiz
    • 1
  • Paul D. Rosero-Montalvo
    • 2
    • 3
  • Pedro García
    • 2
  • Andrés Eduardo Castro-Ospina
    • 4
  • Antonio Acosta
    • 5
  • Diego Hernán Peluffo-Ordóñez
    • 5
  1. 1.GIIEE Research GroupUniversidad de NariñoPastoColombia
  2. 2.Facultad de Ingeniería en Ciencias AplicadasUniversidad Técnica del NorteIbarraEcuador
  3. 3.Universidad de SalamancaSalamancaSpain
  4. 4.Grupo de Investigación Automática, Electrónica y Ciencias ComputacionalesInstituto Tecnológico MetropolitanoMedellínColombia
  5. 5.Yachay TechUrcuquíEcuador

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