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Reproducing the ECG Using Three Coupled Weighted Modified Van der Pol Oscillators with Time Delays

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Year: 2012
COI code: ISAV02_109
Paper Language: English

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Authors Reproducing the ECG Using Three Coupled Weighted Modified Van der Pol Oscillators with Time Delays

  M. H. Tarokh - Department of Mechanical Engineering, Shiraz University,Mollasadra Street, Shiraz
  A Asnafi - Hydro-Aeronautical Research Center, Shiraz University,Mollasadra Street, Shiraz,


In this paper, a new model to reproduce the ECG using three coupled weighted modified Van der Pol oscillators with time delays is presented. Since the ECG is more influenced byventricle depolarization, the coefficient variations of the oscillator which makes the QRS wave are studied and their effects on the produced ECG are investigated. Specifically, it isshown that assuming a flexible relation between the response of this oscillator and its rate canimprove some features such as the magnitude, duration and slope of the QRS wave for the produced ECG. The T wave amplitude, also, becomes smaller than that of the P one. Sincethe power of the pacemaker signals and the time they are sensed in a real ECG recorder aredifferent, a new relation that considers some weighting factors for the oscillator responses and the time they act on the ECG is recommended


ECG modeling; cardiovascular dynamics; Van der Pol oscillator

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COI code: ISAV02_109

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Tarokh, M. H. & A Asnafi, 2012, Reproducing the ECG Using Three Coupled Weighted Modified Van der Pol Oscillators with Time Delays, 2nd International Conference on Acoustics and Vibration, تهران, دانشگاه صنعتي شريف, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Tarokh, M. H. & A Asnafi, 2012)
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The University/Research Center Information:
Type: state university
Paper No.: 16020
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