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首页> 外文期刊>Fortschritt-Berichte VDI, Reihe 8. Mess-, Steuerungs- und Regelungstechnik >Impulsive Observers for Continuous-Time Systems and Global Output Feedback Control
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Impulsive Observers for Continuous-Time Systems and Global Output Feedback Control

机译：连续时间系统和全局输出反馈控制的脉冲观测器

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This thesis contributes in the area of observer design of linear and nonlinear systems as well as in the area of observer-based global output feedback control of nonlinear control systems. Concerning the first area, observers for linear and nonlinear systems with improved transient performance, there under finite-time convergent observers, are developed. The existence, performance, and robustness of these observers are analyzed. Furthermore, an observer is proposed that exponentially estimates the state of Lipschitz nonlinear systems with non-uniformly sampled measurements. Synthesis conditions for this observer are given in terms of linear matrix inequalities, which can be solved efficiently. In the second area, the global output feedback stabilization problem of nonlinear input affine control systems is considered. A class of optimal state feedback controllers is characterized which, when implemented in conjunction with any convergent observer, ensures global asymptotic stability of the closed-loop system. All proposed methods are illustrated by several examples throughout the thesis.
机译：本文在线性和非线性系统的观测器设计领域以及非线性控制系统的基于观测器的全局输出反馈控制领域做出了贡献。关于第一个领域，在有限时间会聚的观测器下，开发了具有改善的瞬态性能的线性和非线性系统的观测器。分析了这些观察者的存在，性能和鲁棒性。此外，提出了一个观察者，该观察者使用非均匀采样的测量以指数方式估计Lipschitz非线性系统的状态。针对此观察者的合成条件以线性矩阵不等式给出，可以有效解决。在第二个方面，考虑了非线性输入仿射控制系统的全局输出反馈稳定问题。一类最佳状态反馈控制器的特征在于，当与任何会聚观测器结合使用时，可确保闭环系统的全局渐近稳定性。全文通过几个实例对所有提出的方法进行了说明。

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