TY - JOUR
T1 - Multicriteria analysis of an L1 adaptive flight control system
AU - Dobrokhodov, Vladimir
AU - Xargay, Enric
AU - Hovakimyan, Naira
AU - Kaminer, Isaac
AU - Cao, Chengyu
AU - Gregory, Irene M.
N1 - Copyright:
Copyright 2013 Elsevier B.V., All rights reserved.
PY - 2013/4
Y1 - 2013/4
N2 - This article presents an overview of the application of the Parameter Space Investigation method for the multicriteria design optimization of the L 1 adaptive flight control system implemented on the two turbine-powered dynamically-scaled generic transport model Airborne Subscale Transport Aircraft Research aircraft. In particular, this study addresses the improvement of a nominal prototype solution, obtained using basic design guidelines of L1 adaptive control theory. The results validate the theoretical claims of L1 adaptive control in terms of closed-loop performance and robustness and illustrate the systematic character of its design procedure. Furthermore, this article shows the suitability of the Parameter Space Investigation method for the multicriteria design optimization over a multidimensional design variable space of a flight control system subject to desired control specifications. The use of this particular method is of special interest, as it provides invaluable information about the behavior of the closed-loop system in an extended space of design parameters and performance criteria. The results and conclusions of this article have led to a deeper understanding of the characteristics of the closed-loop adaptive system and have contributed to the improvement of the flying qualities and the robustness margins of the adaptive L1-augmented aircraft, which has been recently flight tested by National Aeronautics and Space Administration.
AB - This article presents an overview of the application of the Parameter Space Investigation method for the multicriteria design optimization of the L 1 adaptive flight control system implemented on the two turbine-powered dynamically-scaled generic transport model Airborne Subscale Transport Aircraft Research aircraft. In particular, this study addresses the improvement of a nominal prototype solution, obtained using basic design guidelines of L1 adaptive control theory. The results validate the theoretical claims of L1 adaptive control in terms of closed-loop performance and robustness and illustrate the systematic character of its design procedure. Furthermore, this article shows the suitability of the Parameter Space Investigation method for the multicriteria design optimization over a multidimensional design variable space of a flight control system subject to desired control specifications. The use of this particular method is of special interest, as it provides invaluable information about the behavior of the closed-loop system in an extended space of design parameters and performance criteria. The results and conclusions of this article have led to a deeper understanding of the characteristics of the closed-loop adaptive system and have contributed to the improvement of the flying qualities and the robustness margins of the adaptive L1-augmented aircraft, which has been recently flight tested by National Aeronautics and Space Administration.
KW - Flying qualities
KW - L adaptive control
KW - Multicriteria optimization
KW - Pareto optimality
KW - Quasi-random sequences
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U2 - 10.1177/0959651812468545
DO - 10.1177/0959651812468545
M3 - Article
AN - SCOPUS:84877853505
VL - 227
SP - 413
EP - 427
JO - Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering
JF - Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering
SN - 0959-6518
IS - 4
ER -