Estimation of LCA PVI (SG),TD1(SG)and TD2(SG) Derivatives from Flight Test Data

Jatinder, Singh and Basappa, - and Parameswaran, V and Raol, JR (2004) Estimation of LCA PVI (SG),TD1(SG)and TD2(SG) Derivatives from Flight Test Data. Technical Report. NAL, Bangalore.

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Abstract

The Document Presents The Estimation Results Obtained From The Analysis Of Flight Test Data From LCA PV1 (S6),TD1 (SG)And TD2 (SG) With Zero And Full /Auto Slat.The Aircraft Derivatives Are Estimated Using SOEM And OEM Approach. Typical Time History Matches For Model Estimation And Model Validation Are Presented . Results Show That Pitch Damping And Aileron Control Effectiveness In Flight Are Generally Lower Than That Predicted By Wind Tunnel Database. Plots Of The Estimated Values Of CIO And C1 , With And Without Slat, Show An Increase In The Aircraft Dihedral Stability And A Decrease In Roll Damping With Slat .

Item Type: Monograph (Technical Report)
Uncontrolled Keywords: Flight Data;Stability and Control Derivatives; Estimation; SOME; Linear Model Vlaues;Model Validation.
Subjects: ASTRONAUTICS > Astronautics (General)
Depositing User: Users 90 not found.
Date Deposited: 27 Aug 2012 06:08
Last Modified: 27 Aug 2012 06:08
URI: http://nal-ir.nal.res.in/id/eprint/10668

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