EIGENSTRUCTURE ASSIGNMENT APPLIED TO THE F-117A

This paper presents the results of design work accomplished for the U. S. Air Force using F-117A models under the contract "Application of Multivariable Control Theory to Aircraft Control Laws." The objective of this work was to develop design procedures for applying multivariable control theory to fighter aircraft control law design. Specifically, the eigenstructure assignment control design method was applied to the F-117A to meet stability, performance, and disturbance rejection requirements. Three control variables are constructed from the various sensed quantities. These are shaped to generate the desired values for the controlled variables.

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