27th Congress of International Council of the Aeronautical Sciences, 19 - 24 September 2010, Nice, France
Paper ICAS 2010-5.3.4

LONGITUDINAL STABILITY AUGMENTATION DESIGN WITH TWO DEGREE OF FREEDOM CONTROL STRUCTURE AND HANDLING QUALITIES REQUIREMENTS

F. J. T. Vargas, F. J. O. Moreira, P. Paglione*
EMBRAER, Brazil; *ITA, Brazil

Keywords: aircraft flight control, robust control, two degree of freedom, stability augmentation

Paper presents the design of longitudinal stability augmentation system using the two degree of freedom structure with LQR technique in the frequency domain, which is robust to uncertainties and perturbations. The handling quality requirements involving modal and frequency criteria considered in the project of relaxed stability airplane.

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