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[Paparazzi-devel] Parameter identification

From: Balazs GATI
Subject: [Paparazzi-devel] Parameter identification
Date: Thu, 05 Sep 2013 12:54:55 +0200
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130801 Thunderbird/17.0.8

Hi all,

we are using TWOG for 4 years, and now we would like to use it for identification of control and stability derivatives. My strategy would be the following:
- level flight in AUTO2
- when the flight seems steady, test engineer clicks on a button on the GCS
- then TWOG:
    - measures the trim position of the controls
    - opens loop (controls fixed in trim position)
    - adds predefined control inputs (i.e doublet) to trimm values
    - closes loop after predefined seconds

I would be pleased if you could confirm whether this procedure can be realized by editing the flight plan only. (I would like to avoid changing the source code.)


Balazs GATI, PhD
     Department of Aeronautics, Naval Architecture and Railway Vehicles
     Budapest University of Technology and Economics

Address:   Budapest
          Stoczek u 6. J. ép. 423
Tel:       +(36)-1-463-1960
Fax:       +(36)-1-463-3080

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