The harmonic oscillator is an exceptionally important example of periodic motion. 谐振子在周期运动中是特别重要的。
The chaotic motion can be controlled to a regular motion via stabilization of the chaotic orbit onto an unstable periodic orbit embedded within the chaotic attractor. 利用压缩映射和线性逼近产生一个参数微扰反馈序列,使混沌轨道稳定在嵌入混沌吸引子内的一个不稳定周期轨道上,实现将混沌运动转化为周期运动。