Robust convex lateral feedback control synthesis for a BWB aircraft ⋆

Abstract: This paper presents the robust multi-objective design of a lateral feedback control law for a large flexible blended wing body (BWB) type passenger aircraft. An initial controller is synthesized and optimized using a convex synthesis approach based on the Youla parameterization and an LMI formulation. A multitude of both time- and frequency-domain design constraints are considered aiming to improve disturbance rejection. The obtained control law is numerically validated on several mass cases of the aircraft model, showing high loads alleviation and vibration reduction performance while obeying all stringent design constraints