Stabilization of Discrete-Time Minimum Phase Nonlinear System Via Dynamic Output Feedback
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摘要: 研究了离散时间非线性最小相位系统的动态输出反馈镇定.首先对离散时间非线性系 统引入了逼近渐近稳定性的概念.基于此概念,提出了一种动态补偿器设计的新方法.主要结果 是,如果一非线性系统的零动态是逼近渐近稳定的,则能用动态输出反馈镇定.动态补偿器的设 计是构造性的.Abstract: In this paper, we study the problem of stabilization of discrete-time minimum phase nonlinear system via dynamic output feedback. The concept of approximately asymptotic stability is introduced. Based on the concept, we propose a new method for design of dynamic compensators of discrete-time minimum phase nonlinear system. The main result is that a discrete-time minimum phase nonlinear system is stabilizable via dynamic output feedback if its zero dynamics is approximately asymptotically stable. The design o{ dynamic compensators is constructive.
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Key words:
- Stabilization /
- discrete-time system /
- nonlinear system /
- minimum phase system /
- dynamic output feedback
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