NDLI: Synthesis of sampled-data H/sub /spl infin// servo controller with generalized hold

Content Provider	IEEE Xplore Digital Library
Author	Fujioka, H. Hara, S.
Copyright Year	2003
Description	Author affiliation: Graduate Sch. of Informatics, Kyoto Univ., Japan (Fujioka, H.)
Abstract	In this paper, we consider type 1 sampled-data feedback control system synthesis problems by sampled-data hoc technique, where the hold is a design parameter as well as the discrete-time controller. The feedback control system consists of a continuous-time plant and a discrete-time controller with sample and hold devices which must achieve the following three design specifications: 1) internal stability, 2) desired feedback characteristics such as robust stability, sensitivity reduction and disturbance attenuation, and 3) robust tracking and/or robust disturbance rejection for step-type exogenous signals. Two types of type 1 servo problems, namely the output regulation type and the disturbance rejection type, are formulated to adopt the above requirements. We show that the output regulation type problem has no solution for any hold while the disturbance rejection type problem is well defined. We also develop a synthesis method of type 1 digital controller together with generalized hold based on the sampled-data H/sub /spl infin// control. The resultant optimal hold is composed of that for the sampled-data H/sub /spl infin// regulation problem and ZOH, while the discrete-time controller has the internal model.
Sponsorship	Honeywell Lab. Xerox Nat. Instruments Math Works
Starting Page	2302
Ending Page	2307
File Size	335668
Page Count	6
File Format	PDF
ISBN	0780379241
ISSN	01912216
DOI	10.1109/CDC.2003.1272962
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-12-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust stability Control system synthesis Feedback control Robust control Control systems Signal design Attenuation Servomechanisms Digital control Optimal control
Content Type	Text
Resource Type	Article

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