21st Congress of International Council of the Aeronautical Sciences, Melbourne, Australia, 13-18 September, 1998
Paper ICAS-98-1.6.2

ROBUSTNESS ANALYSIS APPLIED TO AUTOPILOT DESIGN PART 2: EVALUATION OF A NEW TOOL FOR ?-ANALYSIS

Doll C., Magni J. -F., Looye G.* Bennani S.**
ONERA, France; * DLR, Germany; *** TU Delft, The Netherlands

Keywords: robustness analysis, autopilot design, µ-analysis

The mixed structured singular value µ allows the designer to determine the robustness of a control system. The exact calculation of this measure is not possible. Therefore, we confine ourselves to the determination of lower and upper bounds. As lower bound calculation remains still a main interest of research, especially in the case of real parameter uncertainties, a new algorithm for its calculation will be presented. The new method is based on modal control ideas.

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