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三八超混沌系统的时滞反馈控制 被引量:5

Delay Feedback Control of Three Eight Hyperchaotic System
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摘要 本文研究了时滞反馈控制的三八超混沌系统平衡点的Hopf分岔问题。首先分析了线性化系统特征方程纯虚根的存在性,然后讨论了平衡点发生Hopf分岔的横截性条件,给出了系统平衡点失稳发生Hopf分岔的时滞值,最后数值仿真证明了理论分析的正确性。 Hopf bifurcation of the equilibrium point of three eight hyperchaotic system with delay feedback control is researched.Firstly,the existence of pure imaginary roots is analyzed in the characteristic equation of the linearized system,and then the cross-sectional condition of Hopf bifurcation are discussed at the equilibrium point.Finally,the numerical simulation proves the correctness of the theoretical analysis.
作者 李德奎 LI Dekui(Department of Science Teaching,Gansu University of Chinese Medicine,Dingxi 743000,China)
出处 《贵州大学学报(自然科学版)》 2020年第6期24-29,共6页 Journal of Guizhou University:Natural Sciences
基金 国家自然科学基金资助项目(61364001) 甘肃省高等学校创新基金资助项目(2020A-191) 甘肃中医药大学科学研究与创新基金资助项目(2019KCYB-10)。
关键词 三八超混沌系统 时滞反馈控制 HOPF分岔 three eight hyperchaotic system delayed feedback control Hopf bifurcation
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