L1 adaptive control augmentation system for the X-48B Aircraft
Leman, Tyler J.
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https://hdl.handle.net/2142/14622
Description
Title
L1 adaptive control augmentation system for the X-48B Aircraft
Author(s)
Leman, Tyler J.
Issue Date
2010-01-06T16:19:59Z
Director of Research (if dissertation) or Advisor (if thesis)
Hovakimyan, Naira
Dullerud, Geir E.
Doctoral Committee Chair(s)
Hovakimyan, Naira
Dullerud, Geir E.
Department of Study
Mechanical Sci & Engineering
Discipline
Mechanical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
L1
Adaptive Control
robust control
flight control
X-48
X-48B
aircraft
Abstract
This thesis considers the application of L1 adaptive control methodology to a model of the X-48B Blended Wing Body aircraft. We explicitly verify the performance bounds of the adaptive flight control system at various flight conditions. We demonstrate that the resulting L1 adaptive controller does not require tuning or redesign from one flight condition to another. Furthermore, once designed according to the theoretical guidelines, the L1 adaptive controller ensures uniform transient and steady-state performance across the entire flight envelope in the presence of significantly coupled dynamics and control surface failures.
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