期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
卷 24, 期 24, 页码 4771-4778出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979210055895
关键词
Qi system; hyperchaos; Lyaponov exponents; bifurcation
资金
- National Natural Science Foundation of China [60573172, 60973152]
- Superior University Doctor Subject Special Scientific Research Foundation of China [20070141014]
- Natural Science Foundation of Liaoning Province [20082165]
This paper presents a four-dimensional hyperchaos Qi system, obtained by adding linear term and nonlinear term of nonlinear controller to Qi chaos system. The hyperchaos Qi system is studied by bifurcation diagram, Lyapunov exponent spectrum and phase diagram. Numerical simulations show that the new system's behavior can be periodic, chaotic and hyperchaotic as the parameter varies.
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