Chaos and Control in Coronary Artery System

Yanxiang Shi

Discrete Dynamics in Nature and Society, 2012, vol. 2012, 1-15

Abstract:

Two types of coronary artery system N-type and S-type, are investigated. The threshold conditions for the occurrence of Smale horseshoe chaos are obtained by using Melnikov method. Numerical simulations including phase portraits, potential diagram, homoclinic bifurcation curve diagrams, bifurcation diagrams, and Poincaré maps not only prove the correctness of theoretical analysis but also show the interesting bifurcation diagrams and the more new complex dynamical behaviors. Numerical simulations are used to investigate the nonlinear dynamical characteristics and complexity of the two systems, revealing bifurcation forms and the road leading to chaotic motion. Finally the chaotic states of the two systems are effectively controlled by two control methods: variable feedback control and coupled feedback control.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:631476

DOI: 10.1155/2012/631476

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