LibrePilot Forum
Users => Vehicles - MultiRotors => Topic started by: startrek66 on June 23, 2016, 08:49:59 pm
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Hi. I have a question about the flight mode in subject. These mode are not Dipendent from gps system?
Thanks
Inviato dal mio SM-G800F utilizzando Tapatalk
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No need GPS.
Take a look here:
https://librepilot.atlassian.net/wiki/display/LPDOC/Altitude+Hold
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Thanks
Inviato dal mio SM-G800F utilizzando Tapatalk
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I've another question about this fligh mode....roll yaw and pitch are functioning during altitude hold or vario?
Inviato dal mio SM-G800F utilizzando Tapatalk
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Sure, it's better if the pilot keep control over his vehicle.
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Sure, it's better if the pilot keep control over his vehicle.
Ok. Absolute yes.
Concerning calibration in gcs for this particular flight mode, I read that is necessary have done temperature calibration. It is true?
I don't it!
Another, there are some parameters in GCS altitude hold page control coefficient that require some adjustments?
thank you for your patience.
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Altitudehold can work without any calibration. The thermal calibration, if done correctly can improve barometer drift due to temperature.
Yes, can need some adjustments because weight over thrust can vary.
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Altitude vario tested with success. I have modified the throttle curve, in the centre is flat. It's a good choice for these flights modes?
Inviato dal mio SM-G800F utilizzando Tapatalk
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I do the same (flatten throttle curve where I hover) to increase resolution in the middle it's easier for me that way to set stick to hover.
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Hi guys
Today tested altitude hold flight mode. Negative result. I engage the mode but the quad not lock the altitude and thrust stick was always operative. Which is my error or errors?
I checked the baro sensor with scope in gcs and is ok.
Inviato dal mio SM-G800F utilizzando Tapatalk
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Wrong flightmode ?
https://librepilot.atlassian.net/wiki/display/LPDOC/Altitude+Hold
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Wrong flightmode ?
https://librepilot.atlassian.net/wiki/display/LPDOC/Altitude+Hold
This is my setup
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Hi guys
Corcerning my problem on altitude hold, it's normal that with altitude hold engaged I can takeoff?
Inviato dal mio SM-G800F utilizzando Tapatalk
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Nothing normal, AltitudeHold maintain altitude and Throttle has no effect.
Are you sure the flight mode switch works ?
You can move the switch and check the flight mode position in GCS: Input tab or PFD
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Nothing normal, AltitudeHold maintain altitude and Throttle has no effect.
Are you sure the flight mode switch works ?
You can move the switch and check the flight mode position in GCS: Input tab or PFD
You have right!
The switch not work properly. I have re-calibrated the transmitter switch.
I check and it's impossible perform a t/o with Altitude Hold engaged.
I'll test this with a flight.
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I ran a quick test in a few minutes flight to verify that the flight mode altitude hold is inserted.
Ok, it works.
Probably flying the quad will of vertical oscillations; to what extent these oscillations can be considered acceptable ?
I set the altitude hold parameters according to this guide (see attachment)
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Try setting AltitudeFilterSettings > BaroKp to 0.02
Here is a video from test i did with this settings:
(https://forum.librepilot.org/index.php?action=dlattach;topic=1891.0;attach=3654)
https://www.youtube.com/watch?v=K-onHXM97hg
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Thannk's for info.
This parameters
AltitudeFilterSettings > BaroKp to 0.02
set the sensibility of Barometers?
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Not the sensibility but better filtering
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Test flight with positive result. :)
With altitude hold engaged and without comand (pitch, roll or yaw) the quadcopter mantain the quote with minor oscillations.
When apply pitch and roll the quadcopter loses altitude but not in a major way.
My question is:
If the quadcopter loses altitude, the Revolution tries to recover the initial altitude (when the altitude hold is engaged)?
Regards
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If the quadcopter loses altitude, the Revolution tries to recover the initial altitude (when the altitude hold is engaged)?
Yes, altitude target 'stored' still the same.