An Experimental Evaluation of Generalized Predictive Control for Tiltrotor Aeroelastic Stability Augmentation in Airplane Mode of Flight

> h c control horizon h p prediction horizon J objective function to be minimized k time index # number of data time steps used for SID m number of feedback outputs to GPC p order of ARX equation describing system Q, R weighting matrices for inputs and outputs r number of control inputs from GPC u(k) vector of digitized input time histories u c vector of computed control inputs V matrix of input and output measurements w c ,w r weighting factors for inputs and outputs Y matrix of OMP determined by SID Presented at the American Helicopter Society 57th Annual Forum, Washington, DC, May 9-11, 2001.