Robust Gain-Scheduled Flight Controller via A New Formulation for Over-Bounding Scheduling Parameter Errors ?

摘要

This note addresses Gain-Scheduled (GS) flight controller design for the lateral-directional motions of an In-Flight Simulator (IFS) in a certain speed range. The design requirements for the GS flight controller are twofold: Model-matching and gust alleviation under some plant uncertainties as well as bounded errors in the provided scheduling parameters. We design a GS Output Feedback (GSOF) controller which meets the afore-mentioned design requirements via a new formulation for over-bounding the errors between actual scheduling parameters and inexactly provided ones. Control performance comparison between our new controller and the controller designed with an existing method in literature confirms that the former has less conservatism than the latter in synthesis as well asa posteriorianalysis.