L1 Adaptive Control [video]
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The field of adaptive control offers techniques for increasing performance and robustness in numerous settings and applications. Adaptive control is different than traditional feedback in that it offers a mechanism for adjusting the controller's parameters to reduce plant uncertainty. Traditional feedback control utilizes parameters, which are specified by the engineer to optimize an ideal use case, which often times requires extensive tuning and testing. Adaptive controllers adjust their control parameters using various intelligent mechanisms designed to increase robustness to plant variation or unanticipated disturbances. Adaptive control has many applications in the aerospace domain to include control strategies when aerodynamic coefficients are unknown or are non-constant, actuator failure, airframe damage, etc. This research evaluates fixed wing UAS controller performance and robustness using the L1 adaptive control architecture.
TechCon2017 (CRUSER)Presented by LT Ryan Beall, USN: NPS Systems EngineeringIncludes slides
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Xargay, Enric; Hovakimyan, Naira; Dobrokhodov, Vladimir; Kaminer, Issac; Kitsios, Ioannis; Cao, Chengyu; Gregory, Irene M.; Valavani, Lena (2010-01);The paper presents new results on the verification and in-flight validation of an L1 adaptive flight control system, and proposes a general methodology for verification and validation of adaptive flight control algorithms. ...
L1 Adaptive Flight Control System: Systematic Design and Verification and Validation of Control Metrics Xargay, Enric; Hovakimyan, Naira; Dobrokhodov, Vladimir; Statnikov, Roman B.; Kaminer, Isaac; Cao, Chengyu; Gregory, Irene M. (2010-08);This paper presents preliminary results of the application of the Parameter Space Investigation method for the design of the L1 flight control system implemented on the two turbine-powered dynamically-scaled GTM AirSTAR ...
Martinez, T.; Agrawal, B.N. (2008);This paper discusses two optical beam control testbeds developed at the Spacecraft Research and Design Center, Naval Postgraduate School, to evaluate and develop control techniques for jitter and adaptive optics control. ...