Flight-Test System Identification Techniques and Applications for Small, Low-Cost, Fixed-Wing Aircraft

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dc.contributor.authorSimmons, Benjamin M.en
dc.contributor.authorGresham, James L.en
dc.contributor.authorWoolsey, Craig A.en
dc.date.accessioned2024-11-06T15:07:29Zen
dc.date.available2024-11-06T15:07:29Zen
dc.date.issued2023-09en
dc.description.abstractThis paper provides an overview of flight-test system identification methods applied in the Virginia Tech Nonlinear Systems Laboratory that focus on modeling small, inexpensive, fixed-wing aircraft controlled by a ground-based pilot. The general aircraft system identification approach is outlined with details provided on the flight-test facilities, experiment design methods, instrumentation systems, flight-test operations, data processing techniques, and model identification methods enabling small aircraft flight dynamics model development. Specific small aircraft system identification challenges are overcome, including low-cost control surface servo-actuators and instrumentation systems, as well as a greater sensitivity to atmospheric disturbances and limited piloting cues. Four recent system identification research advancements using the general system identification process are featured, including application of uncorrelated pilot inputs for remotely piloted aircraft, aero-propulsive model development for propeller aircraft, spin aerodynamic model development, and nonlinear dynamic modeling without mass properties information. Although this paper provides a summary of several research efforts, the core system identification approach is presented with sufficient detail to allow the methods to be readily adapted to other research efforts leveraging small, low-cost aircraft.en
dc.description.sponsorshipThe authors gratefully acknowledge financial support from the U.S. Air Force (USAF) Test Pilot School under USAF contract no. FA9302-18-P-5227 and from NASA under grant no. 80NSSC20M0162.en
dc.description.versionAccepted versionen
dc.format.extentpp. 1503-1521en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.2514/1.C037260en
dc.identifier.issue5en
dc.identifier.orcidWoolsey, Craig A. [0000-0003-3483-7135]en
dc.identifier.urihttps://hdl.handle.net/10919/121566en
dc.identifier.volume60en
dc.language.isoenen
dc.publisherAmerican Institute of Aeronautics and Astronauticsen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.titleFlight-Test System Identification Techniques and Applications for Small, Low-Cost, Fixed-Wing Aircraften
dc.title.serialJournal of Aircraften
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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