Frequency Limited H_inf-Controller Order Reduction for Linear Parameter Varying Systems
Résumé
In this paper, a controller order reduction method for linear parameter-varying systems is presented.
The proposed method is based on the frequency-weighted balanced truncation technique, which
has the advantage to reduce the order in a specific frequency range. The approach is discussed and is
proved to preserve the closed-loop stability with a guaranteed upper error bound. Effectiveness and
performance of the obtained reduced-order controller are investigated by applying it to an automotive
semi-active suspension control. The obtained simulation results showthat objectives such as the
road handling and the passenger comfort realised with the reduced-order controller are kept in the
same performance level as with the full-order controller.Moreover, a comparisonwith an other-order
reduction method is shown and confirms the advantage of the developed method.
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