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[03-04, 2000] 

Journal of Electrical Engineering, Vol 51, 03-04 (2000) 57-66

DECENTRALIZED ROBUST EXPONENTIAL STABILITY OF NONLINEAR SYSTEMS WITH OUTPUT FEEDBACK

Vojtech Veselư

   The paper addresses the design of decentralized robust controllers with output feedback for a class of interconnected nonlinear systems with uncertainties which have to guarantee a prescribed exponential stability decay rate of the closed-loop. The uncertainties, in general nonlinear, can appear both in the subsystems as well as in their interconnections. No matching conditions or other similar constraints are to be considered in the complex uncertain system model. The proposed approach has been verified on governor controllers for a three-machine power system.

Keywords: decentralized control, robust control, diagonal dominance, exponential stability, nonlinear systems


[full-paper]


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