Journal
INTERNATIONAL JOURNAL OF CONTROL
Volume 82, Issue 11, Pages 2040-2050Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207170902902842
Keywords
reliable control; decentralised control; stabilisation; dilated LMI; unknown disturbance observer
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Reliable decentralised stabilisation is considered for general multi-channel plants, where the objective is to maintain stability of the closed-loop system when all of decentralised controllers work together and when one of the controllers is extracted due to a failure. For this control problem, a design method is presented, where a dilated LMI technique is employed for deriving reliable state feedback design, while a version of unknown disturbance observer is used as a decentralised observer for extending the design to output feedback case. Applicability of the proposed method is demonstrated through a power system example, where a model reduction and a low pass filter are further employed.
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