Coupling Action and Chaos Synchronization of Coupled Reaction Model of Chemical Autocatalator *

A new-coupled model of chemical chaos reaction for autocatalator is presented for studying couplingaction between the subsystems of chemical autocatalator. The chaotic dynamics for the model is investigated by changing coupling coefficient. The results show that the coupling can apparently change the dynamics for the model, intensify the correlation between subsystems, and result in the diminution of amplitude for aperiodical oscillations and the disappearance of some oscillations. The regulation, suppression, periodization and synchronization of the subsystem dynamics of the coupled autocatalator reaction are in turn exhibited with the increase of the coupling coefficient between subsystems. Although the coupling of every substance concentration in the reaction can change the dynamics behavior of the system, the influence of the concentration of the second species is the most important of the three substances. The results can explain the impact of the asymmetry on system dynamic and complicated behavior. It is proved that the coupling is feasible to control chaotic behavior, stabilize high periodical orbits and implement chaos synchronization in nonlinear chemical reaction.