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RE: [Paparazzi-devel] Please upload airframe photos and airframe files


From: akochevar
Subject: RE: [Paparazzi-devel] Please upload airframe photos and airframe files
Date: Thu, 10 Apr 2008 13:01:56 -0700
User-agent: Web-Based Email 4.12.31

mohit,
Unfortunately the gains are a bit ambiguous.  The translation ends up being servo_position = gain*roll_err.  However servo_position is an arbitrary number, because if you use bigger servo arms you will get a different throw.  Ive made the suggestion that there be the ability to have aileron_angle = gain*roll_err.  With a calibrated look up table that assigned servo_position to aileron_angle.  This is the correct way to go about things.  Unfortunately not everyone has a good way of measuring deflection angle of surfaces(I guess you could print a protractor off the internet).  Anyways I guess we will just have to try it. 
 
AJ

-------- Original Message --------
Subject: Re: [Paparazzi-devel] Please upload airframe photos and
airframe files
From: "Mohit Mundhra" <address@hidden>
Date: Thu, April 10, 2008 11:59 am
To: address@hidden

The only reason for me to ask for that was to get an estimate of the gain parameters for the respective airframe


On 4/10/08, address@hidden <address@hidden> wrote:
The configuration file has very little to do with an model of aircraft really.  About the only section that is relevent is the Servo section.  So to post images of each aircraft for each config file is pretty pointless.  My suggestion is to read the config files and understand what each section does as you will need to tweak these for your own airframe.  It is a much better practice to find a config file for a specific autopilot and build around it, instead of an airframe.  It has been suggested before that there be a config file for each AP type in the airframes file, a sort of generic code.  Not sure if this is a good idea or bad.
 
AJ

-------- Original Message --------
Subject: [Paparazzi-devel] Please upload airframe photos and airframe
files
From: "Mohit Mundhra" <address@hidden>
Date: Thu, April 10, 2008 6:37 am
To: address@hidden

This is a request to all who have tried various airframes with paparazzi to please upload the photograph of the model on the wiki and the corresponding configuration files in the source code. Also, there are many airframe files in the conf/airframes whose images are not there on the wiki. If possible please upload them too.

-
Mohit Mundhra


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--
Mohit Mundhra
Phone: +91 97 3986 1956
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Aurora Integrated Systems
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