NDLI: A dynamic output feedback controller with compensation for sensor quantization

Content Provider	IEEE Xplore Digital Library
Author	Hung, J.Y.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Auburn Univ., AL, USA (Hung, J.Y.)
Abstract	A technique to minimize measurement quantization effects in feedback controllers is presented. The approach treats quantization as a measurement error that can be reduced by a modified state estimator that the author presented in an earlier work. The resulting control method lakes the form of a dynamic output feedback controller in which the state estimator is modified to compensate for measurement quantization. The new result addresses a practical problem in industrial electronics, where many modern electronic sensors produce quantized outputs (e. incremental encoder), or are sampled with finite quantization in digital control applications (e.g. N-bit analog-to-digital converter). The earlier method for state estimation compensation worked only for asymptotically stable plants, but in the design example presented here the combination of feedback control and compensated state estimation appears to be effective for "weakly" unstable plants.
Starting Page	395
Ending Page	399
File Size	1403678
Page Count	5
File Format	PDF
ISBN	0780383044
DOI	10.1109/ISIE.2004.1571840
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-04
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Output feedback Quantization State estimation Industrial electronics Adaptive control Measurement errors Lakes Digital control Analog-digital conversion Feedback control quantization
Content Type	Text
Resource Type	Article

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