NDLI: Synthesis of output feedback controllers for a class of nonlinear parameter-varying discrete-time systems subject to actuators limitations

Content Provider	IEEE Xplore Digital Library
Author	Castelan, E.B. Leite, V.J.S. Miranda, M.F. Moraes, V.M.
Copyright Year	2010
Description	Author affiliation: Dept. de Automa~ao e Sist., Univ. Fed. de Santa Catarina, Florianopolis, Brazil (Castelan, E.B.; Moraes, V.M.) \|\| CEFET-MG, Brazil (Leite, V.J.S.) \|\| COLTEC / UFMG, Belo Horizonte, Brazil (Miranda, M.F.)
Abstract	We present a methodology for computing output feedback control laws for a class of nonlinear systems subject to input saturations. This class of systems consists of a L'ure type nonlinear system with some time-varying parameters which are assumed to be real-time available. Based on some tools from the absolute stability theory, on a modified sector condition to take into account input saturation effects, and on the concept of contractive sets applied to a level set obtained from a particular parameter dependent Lyapunov function, an LMI framework is proposed to design dynamic output feedback compensators. Two local stabilization strategies are considered: (i) with saturation avoidance, and (ii) with saturating actuators. In both cases, convex optimization problems are proposed to compute the controllers matrices aiming at the maximization of the basin of attraction.
Starting Page	4235
Ending Page	4240
File Size	724715
Page Count	6
File Format	PDF
ISBN	9781424474264
ISSN	07431619
e-ISBN	9781424474271
DOI	10.1109/ACC.2010.5530842
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Control system synthesis Output feedback Nonlinear control systems Actuators Nonlinear systems Control systems Time varying systems Real time systems Stability Level set
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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