Design examples using µ-synthesis: Space shuttle lateral axis FCS during reentry
John Doyle
Kathryn Lenz
Andy Packard
Honeywell Inc., Minneapolis, Minnesota;
This paper appears in: Decision and Control, 1986 25th IEEE Conference on
Publication Date: Dec. 1986
Volume: 25,
On page(s): 2218-2223
Digital Object Identifier: 10.1109/CDC.1986.267482
Current Version Published: 2007-04-02
Abstract
This paper studies the application of Structured Singular Values (SSV or µ) for analysis and synthesis of the Space Shuttle lateral axis flight control system (FCS) during reentry. While this is a fairly standard FCS problem in most respects, the aircraft model is highly uncertain due to the poorly known aerodynamic characteristics (e.g. aero coefficients). Comparisons are made of the conventional FCS with alternatives based on H¿ optimal control and µ-synthesis. The problem as formulated is particularly interesting and challenging because the uncertainty is large and highly structured.
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