Re: [Paparazzi-devel] add a AOA sensor

[Tilman Baumann]

It would be great if someone would proof the concept. :)
Because it is a lot easiert to build and integrate than mechanical vanes.

I had debbled in the idea a bit before.
I came up with the idea for a stuby nose cone which had a front facing tube and two 45degree surfaces up and down with a hole in it each.

On 13/05/14 10:18, Hector Garcia de Marina wrote:

Hi everyone,

following the discussion about an AoA sensor, I have found this guide 

http://www.sonex604.com/aoa.html

Does anyone have any experience on such "home made" AoA sensors based on pressure sensors (instead of a mechanical ones)? It seems interesting... but I do not know about the reliability / accuracy (without taking into account the calibration)

On Mon, May 12, 2014 at 4:47 PM, Mike <address@hidden> wrote:

Hi H.G. de Marina,
       I am very glad to see your answer! Recently I am studying a article
of yours in EI,
The article is "UAV Attitude Estimation Using Unscented Kalman Filter and
TRIAD",
And now I also study GNC of UAV based paparazzi with apogee v1.0;
My aim is to design a Online trajectory generation algorithm and embed it
into apogee.
I have some problems about my project; I need your help:
       First, I want to set a simulink model of the whole system with my
vehicle,
so I need a model of the dynamic of my vehicle;
what kind of process do I use to obtain the aerodynamic coefficients /
aircraft model?
use xflr5 or CEASIOM? Which is better?
Here is my aircraft:
                          <http://lists.paparazziuav.org/file/n15346/1.png>
                         Full length: 1180mm
                         Wingspan: 1900mm
                         Cabin space: 172mm high * 280mm * 60mm width length
                         Maximum Takeoff Weight: 2.5kg

      Second, I want to add a AOA sensor to get the angle of attack data,
How to craft my own "home made" AoA sensor? Is there a Schematics of it?

Mike
Thanks



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Héctor

Webpage: http://mathtronics.wordpress.com/

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