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A Historical and Prospective Look at Aerodynamic Modeling and System Identification from Flight Data

Jategaonkar, Ravindra (2004) A Historical and Prospective Look at Aerodynamic Modeling and System Identification from Flight Data. In: METU (Middle East Technical university), Ankara, Turkey. METU-Seminar, 2004-06-10, METU (Middle East Technical University), Ankara, Turkey.

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Abstract

System identification is fundamental to any observed dynamic process. This overview presentation brings out why and what system identification is as applied to flight vehicles. A historical background is briefly provided, tracing the developments to the 18th Century and early flight experiments to 1920s. This is followed by highlighting the unified Quad-M approach to flight vehicle system identification that has evolved over the last three decades. Several examples are presented, covering: 1) generation of complete aerodynamic databases, 2) estimation of nonlinear models for control surface effectiveness and stall hysteresis, 3) aerodynamic effects due to landing gear, and 4) Air drop. Some aspects of model validation are brought out. Finally, diversified applications to other flight vehicles are briefly elaborated to demonstrate the wide domain of applicability. The talk is concluded by indicating the possible future directions of work.

Item URL in elib:https://elib.dlr.de/52555/
Document Type:Conference or Workshop Item (Speech)
Title:A Historical and Prospective Look at Aerodynamic Modeling and System Identification from Flight Data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Jategaonkar, RavindraUNSPECIFIEDUNSPECIFIED
Date:10 June 2004
Journal or Publication Title:METU (Middle East Technical university), Ankara, Turkey
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:System identification, parameter estimation, aerodynamic modeling
Event Title:METU-Seminar
Event Location:METU (Middle East Technical University), Ankara, Turkey
Event Type:Other
Event Dates:2004-06-10
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems & Cabin (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > System Automation
Deposited By: Jategaonkar, Dr.phil. Ravindra
Deposited On:10 Jan 2008
Last Modified:27 Apr 2009 14:36

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