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Self-adaptability in complex systems
Author(s): 
Pages: 410-413
Year: Issue:  4
Journal: JOURNAL OF ZHEJIANG NORMAL UNIVERSITY(NATURAL SCIENCES)

Keyword:  复杂系统Lorenz系统自适应性同步;
Abstract: 复杂系统的自适应性表现为对应于系统环境的变化,通过调节自身结构或参数作出自适应反应,使得系统对外部环境作出正确、合理的响应.以Lorenz系统为例阐述了这种自适应现象.对于Lorenz系统,通过增加控制器及调整参数,与原来系统相比,得到一个误差系统.当控制器及参数满足一定的条件时,通过构造误差系统的Lyapunov函数,得到误差系统的零解的全局渐进稳定性,从而使调控后的系统与原来系统的解达到同步.
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