Premium
Output feedback variable structure control of uncertain linear systems in the presence of actuator dynamics
Author(s) -
Wang Ning,
Xu Wenli,
Chen Feng
Publication year - 2009
Publication title -
asian journal of control
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.769
H-Index - 53
eISSN - 1934-6093
pISSN - 1561-8625
DOI - 10.1002/asjc.120
Subject(s) - control theory (sociology) , passivity , actuator , variable (mathematics) , relay , differentiator , controller (irrigation) , scheme (mathematics) , plant , feedback loop , attenuation , linear system , control (management) , control engineering , computer science , engineering , mathematics , filter (signal processing) , mathematical analysis , agronomy , power (physics) , physics , electrical engineering , quantum mechanics , optics , artificial intelligence , computer vision , biology , computer security
A new output feedback variable structure control scheme is developed based on a novel passivity idea. This scheme may practically stabilize a class of higher‐relative‐degree uncertain linear systems, and realize output tracking and disturbance attenuation as well. The controller is composed of linear filters and a single relay, without employing real‐time exact differentiators. Under this framework, we also explain how actuator dynamics affect the closed loop behavior. A simulation example shows the simplicity and efficiency of this method. Copyright © 2009 John Wiley and Sons Asia Pte Ltd and Chinese Automatic Control Society