AQ6 lazy at PosHold-Mode, M4 too sensitive - how to fix ?

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AQ6 lazy at PosHold-Mode, M4 too sensitive - how to fix ?

Postby Crizz » Thu Jul 21, 2016 4:39 pm

Hi folks,

have question about control behaviour in PosHold-Mode and how to change it.

My AQ6 ( 700-size X8 ) is pleasant in normal flight mode, but in PosHold-mode, i need to give very large stick-inputs to get him moving, while my M4 ( 550-size Quad ) is real aggressive in PosHold ( also pleasant in normal mode ). At the M4, i only need to give a real small stick input and it runs aggressive on roll and tilt, and this seems to lead also in short oscillations when releasing the sticks again.

Now i´m a little confused how to get rid of this problem. Need my x8 a little more agile and my M4 more cosy in PosHold-mode.

Both are running with PIDs, not at Quatos.

Any help is highly appreciated
Crizz
 
Posts: 211
Joined: Sat Aug 09, 2014 3:43 pm

Re: AQ6 lazy at PosHold-Mode, M4 too sensitive - how to fix

Postby LPR » Fri Jul 22, 2016 1:21 am

Crizz

There is a setting that will change how fast an Autoquad flight controller will let your copters fly in Position Hold.

There is also PID settings that can change how aggressive you copter will tilt.

You should post your parameters for both aircraft to get some answers.

Larry
LPR
 
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Re: AQ6 lazy at PosHold-Mode, M4 too sensitive - how to fix

Postby Crizz » Fri Jul 22, 2016 7:09 am

okay @LPR , will post both params.txt files later today.
Crizz
 
Posts: 211
Joined: Sat Aug 09, 2014 3:43 pm

Re: AQ6 lazy at PosHold-Mode, M4 too sensitive - how to fix

Postby Crizz » Sun Jul 24, 2016 12:21 pm

sorry for late reply, was too busy to do earlier.

Attached are the params-files from both copters. Would be great if anybody could help me with my issues.
Attachments
PARAMS_aq6-x8.txt
AQ6 x8 params file
(15.27 KiB) Downloaded 151 times
PARAMS_m4Quad.txt
m4 Quad params-file
(14.83 KiB) Downloaded 151 times
Crizz
 
Posts: 211
Joined: Sat Aug 09, 2014 3:43 pm

Re: AQ6 lazy at PosHold-Mode, M4 too sensitive - how to fix

Postby LPR » Mon Jul 25, 2016 2:58 pm

Crizz

In general, the NAV parameters affect how your copters will fly in Position hold.

CTRL Parameters determine how copters fly in Stabilised flight and you seem to be happy with the way the CTRL parameters are working.

Your X8 maybe help by changing the NAV SPEED parameters. You must be using have a custom firmware that has the NAV SPEED parameters set so you have slow tilt rates.

NAV_POLYFENCE 0
NAV_SIMPLEFENCE 400

Changing to a more standard firmware will likely give you normal Position hold control.

If you lower the NAV_MAX_SPEED from 20 to 5 on your quad you should see a more reasonable response in a NAV mode.


Larry
LPR
 
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Joined: Tue Jun 26, 2012 1:29 pm
Location: MN, USA

Re: AQ6 lazy at PosHold-Mode, M4 too sensitive - how to fix

Postby Crizz » Mon Jul 25, 2016 4:08 pm

thx Larry, will give it a try if i cant get happy with it i´ll try different firmware.
Crizz
 
Posts: 211
Joined: Sat Aug 09, 2014 3:43 pm


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