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RAPIT - A Tool for Monitoring Aircraft Stability and Control

Raab, Christian (2015) RAPIT - A Tool for Monitoring Aircraft Stability and Control. 26th Society of Flight Test Engineers European Chapter Symposium, 6.-8. Okt. 2015, Seville, Spain.

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Abstract

Determination of aerodynamic derivatives giving direct physical insight into the aircraft stability and control characteristics has been of interest for flight test for a long time. Normally these aerodynamic derivatives are calculated using parameter estimation algorithms after the flight. Today’s data acquisition technology allows calculation of aerodynamic parameters onboard the aircraft in near real-time. This paper introduces a software tool called RAPIT (Rapid Aerodynamic Parameter Identification Tool), which processes the acquired flight data, calculates the aerodynamic derivatives and displays information about the aircraft’s stability and control characteristics on the flight test engineer’s screen. Different displays showing the current flight data and the estimation results can be selected by the user. RAPIT was installed onboard the DLR research aircraft A320-ATRA and an EMBRAER Phenom 300 test aircraft. Flight campaigns were conducted with typical excitation maneuvers. RAPIT was used to monitor the maneuvers and to estimate aerodynamic parameters online. Results from two maneuvers will be presented and discussed in this paper.

Item URL in elib:https://elib.dlr.de/98728/
Document Type:Conference or Workshop Item (Speech)
Title:RAPIT - A Tool for Monitoring Aircraft Stability and Control
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Raab, Christianchristian.raab (at) dlr.deUNSPECIFIED
Date:6 October 2015
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Flight Test, Aerodynamic, Parameter Estimation, Stability, Control, Aircraft, Derivative
Event Title:26th Society of Flight Test Engineers European Chapter Symposium
Event Location:Seville, Spain
Event Type:international Conference
Event Dates:6.-8. Okt. 2015
Organizer:Society of Flight Test Engineers European Chapter
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems and Cabin
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Deposited By: Raab, Dipl.-Ing. Christian
Deposited On:19 Oct 2015 15:26
Last Modified:10 May 2016 23:32

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