Fourth-order Colpitts chaotic oscillator

被引：14
|
作者：
Yu Si-Min [1 ]
机构：
[1] Guangdong Univ Technol, Coll Automat, Guangzhou 510006, Guangdong, Peoples R China
来源：
ACTA PHYSICA SINICA | 2008年 / 57卷 / 06期
关键词：
fourth-order Colpitts chaotic oscillator; chaotic attractors; circuit implementation;
D O I：
10.7498/aps.57.3374
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A novel fourth-order Colpitts chaotic oscillator is presented. Theoretic design and circuit implementation shows that the fourth-order Colpitts chaotic oscillator can be obtained by parallelizing a capacitor C-3 with inductor L in a canonical third-order Colpitts chaotic oscillator. The resonance frequency is changed by adjusting the value of C-3, and the oscillator becomes chaotic through doubling period bifurcation. The dynamical behaviors of the fourth-order Colpitts chaotic oscillator are further investigated, including equilibrium points, bifurcations and Lyapunov exponents. Finally, this approach is verified in both numerical simulations and circuit experiments.
引用
收藏
页码：3374 / 3379
页数：6
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