NDLI: Improving Transient Performance in Tracking Control for a Class of Nonlinear Discrete-time Systems with Input Saturation

Content Provider	IEEE Xplore Digital Library
Author	Yingjie He Chen, B.M. Weiyao Lan
Copyright Year	2005
Description	Author affiliation: Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576, Republic of Singapore. E-mail: engp1508@nus.edu.sg. (Yingjie He)
Abstract	This paper addresses a target tracking control problem for a class of SISO discrete-time partially linear composite systems with actuator saturation. Quick response and small overshoot are two desired transient performances of target tracking control. While most of the design schemes compromise between these two performances, we try to achieve both simultaneously by using a composite nonlinear feedback (CNF) control technique. The CNF control, consisting of a linear feedback law and a nonlinear feedback law, aims to improve the transient performance of the closed-loop systems. The linear feedback part is designed to yield a closed-loop system with a small damping rate for quick response, while the nonlinear feedback part is used to increase the damping ratio of the closed-loop system as the system output approaches the target reference to reduce the overshoot. We also show that the closed-loop system with improved transient performance preserves the stability of the nonlinear part of the partially linear composite system.
Starting Page	8094
Ending Page	8099
File Size	193633
Page Count	6
File Format	PDF
ISBN	0780395670
DOI	10.1109/CDC.2005.1583472
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-15
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	IEEE/EUCA
Subject Keyword	Nonlinear control systems Control systems Target tracking Interconnected systems Output feedback Damping Linear feedback control systems Stability Helium Hydraulic actuators
Content Type	Text
Resource Type	Article

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