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研究一类前馈非线性系统的输出反馈半全局镇定问题.值得指出的是,文章研究的系统不可测状态依赖增长包含线性和高阶两部分,融合并推广了许多现有文献中的增长条件.文章基于线性低增益观测器,利用输出反馈占优方法,构造了结构简单且易于实现的线性输出反馈控制器.通过适当地选取设计参数,可以保证闭环系统零解是局部指数稳定的,且从给定包含原点的紧子集出发的解最终趋向于零.仿真算例验证了文章结果的有效性.
The output feedback semiglobal stabilization problem for a class of feedforward nonlinear systems is investigated. It is worth pointing out that the unmeasurable state-dependent growth in the paper contains two parts, linear and high order, which converges and generalizes the growth conditions in many existing literatures In this paper, based on the linear low gain observer, a linear output feedback controller with simple structure and easy implementation is constructed by the output feedback domination method. By properly choosing the design parameters, it is guaranteed that the zero solution of the closed - loop system is exponentially stable and The solution starting from a given compact set containing the origin eventually tends to zero. The simulation example verifies the validity of the article’s results.