Nonlinear analysis of chaotic dynamics in human circulatory systems

Taiki Narita, Noriyasu Homma, Masao Sakai, Akira Tanaka, Makoto Yoshizawa, Kenichi Abe

Research output: Chapter in Book/Report/Conference proceedingConference contribution


In this paper, we analyze chaotic behavior observed from human circulatory systems using the well-known Windkessel model. A theoretical result reveals a quantitative mechanism of the chaotic behavior. That is, the origin of chaotic behavior is in its time-delay and nonlinear elements that are effective for a physiologically plausible range of parameters value. Simulation results also show a physiologically plausible behavior from periodic to chaotic dynamics for the parameters value derived from the theoretical analysis. We further analyze a chaotic itinerant model to explain complex mode transitions in human circulatory systems and discuss a possible application of the itinerant model to the circulatory systems.

Original languageEnglish
Title of host publicationProceedings of the SICE Annual Conference
Number of pages6
Publication statusPublished - 2005
EventSICE Annual Conference 2005 - Okayama, Japan
Duration: 2005 Aug 82005 Aug 10


OtherSICE Annual Conference 2005


  • Chaotic itinerancy
  • Human circulatory systems
  • Windkessel model

ASJC Scopus subject areas

  • Engineering(all)


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