NDLI: Anti-windup design for Active Disturbance Rejection Control

Content Provider	IEEE Xplore Digital Library
Author	Xiongjun Wu Jiaoni Pang Tao Yang
Copyright Year	2014
Description	Author affiliation: ACCESS Linnaeus Centre, R. Inst. of Technol., Stockholm, Sweden (Tao Yang) \|\| Eighth Acad., Shanghai Acad. of Space Flight Technol., 802 Inst., China Aerosp. Sci. & Technol. Corp., Shanghai, China (Xiongjun Wu; Jiaoni Pang)
Abstract	An anti-windup compensate algorithm for active disturbance rejection mechanism is proposed in this paper. This paradigm extends the traditional anti-windup scheme to the Active Disturbance Rejection Control (ADRC) mechanism, to deal with the input saturation nonlinearity and meanwhile reject the disturbance automatically by using Extended State Observer (ESO) . The output of anti-windup compensator is treated as a part of unknown disturbances and is introduced into the ESO, which can online observe both internal and external disturbances (parameter uncertainties and model mismatches). The controller input is yielded by using a nonlinear feedback combination, and it is used to compensate the integrator windup caused by the saturation nonlinearity element. On the other hand, in order to determine the parameters of the ESO and the anti-windup compensator feedback gain, the $ℒ_{2}$ gain is adopted. The effectiveness and the robustness against model and parameter uncertainties of the proposed method is verified by an example of the seeker platform.
Starting Page	2389
Ending Page	2395
File Size	502835
Page Count	7
File Format	PDF
ISBN	9789881563873
ISSN	19341768
DOI	10.1109/ChiCC.2014.6897008
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	TCCT, CAA
Subject Keyword	Anti-windup design Actuators Uncertainty Windup Extended State Observer (ESO) Active disturbance rejection Observers Vectors Linear matrix inequalities Closed loop systems Tracking Differentiator Actuator saturation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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