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[Paparazzi-devel] Altitude estimation wiht BMP-sensor

From: Prof. Dr.-Ing. Heinrich Warmers
Subject: [Paparazzi-devel] Altitude estimation wiht BMP-sensor
Date: Thu, 28 Jul 2011 10:48:46 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.4) Gecko/20030619 Netscape/7.1 (ax)

we have same problems with the altitude estimation with the Bosch BMP-sensor in combination with the altitude filter:
The sensor signal gives a variance in altitude of up to +- 5m.
There is a delay of 2 to 3s of the sensor signal and the filter output so that the altitude feedback control systems becomes instable. It looks like, that the altitude information from the GPS and the pressure sensor is mixed.


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