期刊
IET CONTROL THEORY AND APPLICATIONS
卷 1, 期 1, 页码 155-162出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-cta:20050415
关键词
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A method for computing time-varying dynamic output feedback controllers for discrete-time linear systems subject to input saturation is proposed. The method is based on a locally valid polytopic representation of the saturation term. From this representation, it is shown that, at each sampling time, the matrices of the stabilising time-varying controller can be computed from the current system output and from constant matrices obtained as a solution of some matrix inequalities. Linear matrix inequality-based optimisation problems are therefore proposed in order to compute the controller aiming at the maximisation of the basin attraction of the closed-loop system, as well as aiming at ensuring a level Of L-2 disturbance tolerance and rejection.
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