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Re: [Paparazzi-devel] Yaw Stabilization in AUTO1/2

From: David Conger
Subject: Re: [Paparazzi-devel] Yaw Stabilization in AUTO1/2
Date: Sat, 7 Apr 2012 09:05:23 -0700

This one uses a weather vane type sensor:
The reason it's required there is the lack of vertical fins.
Would a gyro on yaw not be enough if you are trying to stabilize to take smooth 
As for just flying or landing I do not see where it would be necessary. Just 
land into the wind always.
On Apr 7, 2012, at 5:06 AM, Chris Gough wrote:

> Is there an example airframe using filtered lateral acceleration to
> coordinate turns?
> Would that cause spin-risk too, or is that only an issue with mixed-in rudder?
> On 4/7/12, Christophe De Wagter <address@hidden> wrote:
>> Some people have used filtered lateral acceleration or a sideslip sensor to
>> improve the coordination of turns.
>> Several use rudder mixed in the servo rules just as a percentage of the
>> roll command (use full for gliders to cope with significant adverse yaw)
>> But be careful as to much rudder is often worse than too little as slow
>> turns with little roll but a lot of rudder lead to spins. This is probably
>> why most do not use the rudder.
>> On Apr 7, 2012 4:54 AM, "Chris Wozny" <address@hidden> wrote:
>>> All,
>>> I was wondering if there is a reason why there is no yaw stabilization
>>> for aircraft equipped with rudders? When flying the aircraft in AUTO1
>>> or AUTO2, I notice that the rudder doesn't respond to quick changes in
>>> yaw like the elevons do when quickly pitching/rolling the aircraft. Is
>>> there a reason for this? It seems like the rudder isn't used at all
>>> for flight and it's mostly all elevons.
>>> Also, is there a reason why one would want to control the rudder in AUTO2?
>>> - Chris
>>> _______________________________________________
>>> Paparazzi-devel mailing list
>>> address@hidden
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