Integral Sliding Mode Control for Type 2 STATCOM Systems via Input-Output Linearization with Dynamic Extension

Title
Integral Sliding Mode Control for Type 2 STATCOM Systems via Input-Output Linearization with Dynamic Extension
Author
정정주
Keywords
Automatic voltage control; Nonlinear dynamical systems; Convergence; Reactive power; Uncertain systems; Capacitors; Heuristic algorithms
Issue Date
2015-12
Publisher
IEEE
Citation
2015 IEEE 54th Annual Conference on Decision and Control (CDC), Page. 1991-1996
Abstract
This paper presents a nonlinear controller for type 2 static synchronous compensator (STATCOM) systems to obtain the settling time of the reactive current and the convergence rate of the internal dynamics. To make the STATCOM system an input affine system, dynamic extension algorithm is used. Taking the reactive current as the output, we input-output linearized the dynamically extended system and put it in the normal form in order to apply integral sliding mode control for regulating the tracking error of reactive current. Stability of internal dynamics is also shown by using a composite Lyapunov equation. Locally asymptotic stability of the tracking error is proved. The proposed method reduces the ripple of active current and DC voltage without sacrificing reactive current. Simulation results are illustrated to show the effectiveness of the proposed method.
URI
http://ieeexplore.ieee.org/document/7402499/http://hdl.handle.net/20.500.11754/29547
ISBN
978-1-4799-7886-1
DOI
10.1109/CDC.2015.7402499
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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