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Re: [Paparazzi-devel] re: razor imu

From: Prof. Dr.-Ing. Heinrich Warmers
Subject: Re: [Paparazzi-devel] re: razor imu
Date: Wed, 19 Jan 2011 09:00:10 +0100
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.4) Gecko/20030619 Netscape/7.1 (ax)

Hi Ana,
please make a output  of  the rate sensor and accelerator values.
I fond that  an value  of 2-3 LSB results in rolling  PFD.
This is also given if , wire has broken.
Sometimes the accelerators values have an error  up to 20%. when measuring g.


Hi Felix,

As Oliver said, after waiting 3minutes, the ATTITUDE message and PFD works…but still not well.

I haven’t the right sens parameters up to now. I looked into Oliver’s ones, but they don’t work for me(too much sensibility according to the PFD, and I have an offset(I think) which rolls the PFD continuously). I’m trying changing the values but I’m afraid it’s a really empiric method and don’t know if some day it’ll work.

Are these values(sens and neutrals) the only parameters I’m supposed to touch?

I am also looking for Christoph’s values, but I haven’t found them-I think they aren’t in an airframe file but in another one-.



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