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首页> 外文期刊>IEEE Transactions on Automatic Control >Input output linearization approach to state observer design for nonlinear system
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Input output linearization approach to state observer design for nonlinear system

机译:非线性系统状态观测器设计的输入输出线性化方法

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摘要

Presents a state observer for a class of nonlinear systems based on the input output linearization. While the previous result presented state observers for nonlinear systems of full relative degree, we proposed a procedure fur the design of nonlinear state observers which do not require the hypothesis of full relative degree. Assuming that there exists a global state observer for internal dynamics and that some functions are globally Lipschitz, we can design a globally convergent state observer. It is also shown that if the zero dynamics are locally exponentially stable, then there exists a local state observer. An example is given to illustrate the proposed design of nonlinear state observers.
机译:为基于输入输出线性化的一类非线性系统提供状态观察器。虽然先前的结果介绍了全相对度非线性系统的状态观测器,但我们提出了一种设计非线性状态观测器的过程,该过程不需要全相对度的假设。假设存在一个用于内部动力学的全局状态观察器,并且某些功能是全局Lipschitz,我们可以设计一个全局收敛状态观察器。还表明,如果零动力学局部指数稳定,则存在局部状态观测器。给出一个例子来说明所提出的非线性状态观测器的设计。

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