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Content Provider | IEEE Xplore Digital Library |
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Author | Tatsumi, J. Zhiqiang Gao |
Copyright Year | 2013 |
Description | Author affiliation: Center for Adv. Control Technol., Cleveland State Univ., Cleveland, OH, USA (Tatsumi, J.; Zhiqiang Gao) |
Abstract | In this paper, the extended state observer (ESO) is brought into the frequency domain to show to what degree it forces the plant to behave like cascaded integrators and what can be done to improve the performance when the ESO is bandwidth limited. In particular, a root locus technique is used to show how the poles of the modified plant change as the ESO bandwidth increases. Based on the insight obtained, three correction techniques are explored to improve the system performance for those applications with a low ESO bandwidth. With these proposed techniques, the closed-loop system bandwidth is no longer as severely constrained by the ESO bandwidth as in the original ADRC. |
Starting Page | 297 |
Ending Page | 302 |
File Size | 271741 |
Page Count | 6 |
File Format | |
ISBN | 9789881563835 |
ISSN | 19341768 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2013-07-26 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | TCCT, CAA |
Subject Keyword | extended state observer Noise root locus Bandwidth Observers Frequency response Active disturbance rejection control loop-shaping Poles and zeros Frequency control observer bandwidth |
Content Type | Text |
Resource Type | Article |
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