Secure Communication based on a Fractional Order Chaotic System

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Provided by: Science and Development Network (SciDev.Net)
Topic: Security
Format: PDF
This paper studied the fractional order chaos of PMSM system. The process that PMSM system change into chaos with the variation of fractional order is revealed by bifurcation analysis. According to the stability theory, the stability of equilibrium point of PMSM system is analyzed. In the same way, some representative track point of the system is analyzed and by doing this the essence of chaotic operation is revealed. Then the adaptive synchronization of PMSM system is studied. A controller with an adaptive changing rate is designed and its feasibility is theoretically proved. Introduced the implementation method of chaotic masking. Then apply the adaptive synchronization of PMSM system in secure communication and the effect is very good.
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