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FAULT TOLERANT CONTROL SYSTEM: QFT DESIGN
Authors:M. S. Keating  M. Pachter  C. H. Houpis
Abstract:
This paper addresses flight control system synthesis and the accommodation of controlled plant variation in an aircraft design envelope by using the frequency domain based quantitative feedback theory (QFT) robust control system design method. Plant variations considered include varying flight conditions in the flight envelope and damage to aerodynamic control surfaces. A robust flight control system is designed for the aircraft's longitudinal and lateral directional channels and validated with simulations containing nonlinear saturation elements. © 1997 by John Wiley & Sons, Ltd. This paper was produced under the auspices of the US Government and it is therefore not subject to copyright in the US.
Keywords:fault tolerant control system  quantitative feedback theory  robust control theory with parametric uncertainty
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