Decentralized robust control design for large-scale uncertain systems: The uncertainly is time-varying

A class of large-scale uncertain dynamical systems is considered. The system is composed of N interconnected subsystems which possess uncertainties. Moreover, there are uncertainties in the interconnections. The uncertainly is (possibly fast) time-varying. No statistical information on the uncertainly is imposed. The uncertainty is, however, assumed bounded. Early work along this line requires a matching condition for the uncertainty. The control design here extends the previous result to mismatched uncertainty.

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