Conference paper

Frequency-Domain Robust Control Toolbox

A new frequency-domain robust control toolbox is introduced and compared with some features of the robust control toolbox of Matlab. A summary of the theoretical background for H-infinity controller design using the spectral models is given. The main advantage of this toolbox is that almost all types of model uncertainties like unmodelled dynamics, multimodel uncertainty, spectral uncertainty and parametric uncertainty can be taken into account without conservatism. As a result, the uncertain parametric or frequency-domain identified models of the identification toolbox of Matlab can be used directly for computing robust controllers. The main commands of the new toolbox are briefly explained and the performance of the designed controllers are illustrated via some simulation and experimental results.

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