|Subject:||Re: [Paparazzi-devel] Copter isn't holding its position in hover (H_ZH) mode - with video!|
|Date:||Fri, 24 Jul 2015 11:30:43 +0200|
I flew with a hexacopter which would get a psi error of 30 degrees due to the currents, so I guess 80 degrees is also possible. It just depends on the ammount of current, orientation of the wires, etc.
Looking at your plot where you flew without this calibration, I would say this is indeed the problem. The estimation is constant, until you take-off (and currents start running). Then it gradually gets the 80 degree offset, after which it becomes stable. When you land (and currents are gone), it goes back to the initial psi estimate. Looking at your video the real heading is constant.
Seems clear to me.
Date: Thu, 23 Jul 2015 16:17:24 -0600
Subject: Re: [Paparazzi-devel] Copter isn't holding its position in hover (H_ZH) mode - with video!
I remember reporting a very similar issue with different hardware (an AR Drone) and the problem never get resolved, even after calibration and replacing the IMU.
On Thu, Jul 23, 2015 at 2:20 PM, Sergey Krukowski <address@hidden> wrote:
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