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Re: [Paparazzi-devel] Rotocraft: HOVER w/o GPS?

From: Felix Ruess
Subject: Re: [Paparazzi-devel] Rotocraft: HOVER w/o GPS?
Date: Tue, 31 Mar 2015 11:33:23 +0200

It will still go into HOVER_Z_HOLD mode, but your position will drift quickly without GPS.
I would advise not to switch to any position modes while you don't have a GPS fix (without any extra sensors/inputs)...

On Tue, Mar 31, 2015 at 7:12 AM, Simon Liebold <address@hidden> wrote:
And what happens, while it has not acquired the GPS lock (yet), and I switch it into the HOVER_Z_HOLD mode? In the GCS it confirms the mode to be 'H_ZH'. But without GPS lock, what does it fall back to: Vertical hold using the altimeter without horizontal hold or will it nevertheless stay in MANUAL mode (whatever this is set to)?


Am 31. März 2015 01:09:37 MESZ, schrieb Felix Ruess <address@hidden>:
>Short answer:
>yes, you need a GPS.
>slightly longer answer:
>You need something that can give you a position (like indoor tracking
>Or at least something like an optic flow sensor...
>Cheers, Felix

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