Semi-global finite-time observers for nonlinear systems
نویسندگان
چکیده
منابع مشابه
Semi-global finite-time observers for nonlinear systems
It is well known that high gain observers exist for single output nonlinear systems that are uniformly observable and globally Lipschitzian. Under the same conditions, we show that these systems admit semi-global and finite-time converging observers. This is achieved with a derivation of a new sufficient condition for local finite-time stability, in conjunction with applications of geometric ho...
متن کاملGlobal Finite-time Observers for a Class of Nonlinear Systems
Global finite-time observers are designed for a class of nonlinear systems with bounded varying rational powers imposed on the increments of the nonlinearities whose solutions exist and are unique for all positive time. The global finite-time observers designed in this paper are with two homogeneous terms. The global finite-time convergence of the observation error system is achieved by combini...
متن کاملSemi-global Finite-time Observers for a Class of Non-lipschitz Systems
Recently, the research on finite-time observers for nonlinear systems has made great progress [1, 2, 3]. However, some of these observers are not continuous such as sliding mode observers. The continuity property and its importance in finite-time stability are realized in [4, 5]. It is also interesting to point out that continuous observers are realized to be different and unique in the nonline...
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Article history: Received 5 July 2011 Received in revised form 24 March 2013 Accepted 27 March 2013 Available online 8 April 2013
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Areas of Teaching Interest: Analysis and Design of Control Systems Discrete Time Control Systems Intelligent Controls Robust Nonlinear Controls Areas of Research Interest: Robust and adaptive control of nonlinear systems Homogeneous systems theory Output feedback control Observer design and fault detection Intelligent control systems Control of nonholonomic systems Underac...
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ژورنال
عنوان ژورنال: Automatica
سال: 2008
ISSN: 0005-1098
DOI: 10.1016/j.automatica.2008.05.015