NDLI: Universal output feedback controllers for nonlinear systems with unknown control direction

Content Provider	IEEE Xplore Digital Library
Author	Zhong-Ping Jiang Mareels, I. Hill, D. Jie Huang
Copyright Year	2003
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Polytech. Univ., Brooklyn, NY, USA (Zhong-Ping Jiang)
Abstract	This paper presents a unifying framework for the problem of robust global regulation via output feedback for nonlinear systems with integral input-to-state stable (iISS) inverse dynamics, subject to unknown control direction. It is shown that previous work in universal high-gain control with unknown sign of high-frequency gain can be included as special cases. The class of uncertain nonlinear systems studied in this paper extends those studied for output feedback control previously in several directions: unmeasured states and unknown parameters can appear non-linearly, no matching assumption is required, no growth condition of any kind is imposed on the non-linearities for large signals, the inverse dynamics satisfy the weaker condition of Sontag's integral input-to-state stability, and the sign of high-frequency gain may be unknown. A constructive strategy is proposed to design a dynamic output feedback control law, that drives the state to the origin while keeping all other closed-loop signals bounded.
Sponsorship	American Automatic Control Council IFAC
Starting Page	573
Ending Page	578
File Size	375812
Page Count	6
File Format	PDF
ISBN	0780378962
ISSN	07431619
DOI	10.1109/ACC.2003.1239080
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nonlinear control systems Control systems Output feedback Nonlinear systems Stability Adaptive control Robust control Signal design Computer hacking Closed loop systems
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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