L1 stability augmentation system for Calspan’s variable-stability learjet

Kasey A. Ackerman, Enric Xargay, Ronald Choe, Naira Hovakimyan, M. Christopher Cotting, Robert B. Jeffrey, Margaret P. Blackstun, T. Paul Paul Fulkerson, Timothy R. Lau, Shawn S. Stephens

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a flying qualities evaluation of an L1 adaptive flight control law implemented on Calspan’s variable-stability Learjet aircraft. The variable-stability capability of the aircraft was used to alter its apparent dynamics while in flight, allowing the validation of the L1 flight control law against a set of off-nominal aircraft configurations. All of these off-nominal configurations were opaque to the control law, and no fault detection and isolation methods were employed. The results demonstrated that the L1 flight control law was able to significantly restore the flying qualities of a baseline Learjet model. The flight tests were conducted by the U.S. Air Force Test Pilot School at the Edwards Air Force Base, CA. The companion paper [1] presents the results of a handling qualities assessment, which complement the flight test results presented here.

Original languageEnglish (US)
Title of host publicationAIAA Guidance, Navigation, and Control Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624103896
DOIs
StatePublished - 2016
EventAIAA Guidance, Navigation, and Control Conference, 2016 - San Diego, United States
Duration: Jan 4 2016Jan 8 2016

Publication series

Name2016 AIAA Guidance, Navigation, and Control Conference

Other

OtherAIAA Guidance, Navigation, and Control Conference, 2016
CountryUnited States
CitySan Diego
Period1/4/161/8/16

ASJC Scopus subject areas

  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering

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