摘要
研究了具有未知参数的Lorenz-Stenflo(LS)系统和一种新型超混沌系统以及LS系统和超混沌Chen系统的修正函数投影同步问题.利用Lyapunov稳定性理论和主动控制方法,设计自适应控制器和参数更新规则,实现不同超混沌系统的修正函数投影同步,同时估计出系统的未知参数.数值仿真验证了该自适应控制器的有效性.
This article treats the modified function projective synchronization between the hyperchaotic Lorenz-Stenflo（LS） system and a novel hyperchaotic CYQY system,and also that between the LS system and hyperchaotic Chen system,which have completely unknown parameters.By utilizing Lyapunov stability theory and active control method,the adaptive controllers and parameter update laws are derived to make the states of different hyperchaotic systems to attain adaptive modified function projective synchronization.The system＇s unknown parameters can be identified simultaneously.Numerical simulations are presented to demonstrate the effectiveness of the proposed methods.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
2010年第4期2265-2271,共7页
Acta Physica Sinica
基金
北京市教委重点学科共建项目(批准号:XK100080537)资助的课题~~
