|Subject:||[Paparazzi-devel] ROTORCRAFT strange behavior again|
|Date:||Sun, 1 Sep 2013 16:52:43 -0300|
Hello friends, a new arm for my big quad come this weekend and i assembled the rotorcraft again.
I using a new laptop with new PPZ installation.
I am updated the ppz yesterday at night so i using the latest version (v5.1_devel-245-g4756de6-dirty)
Well, the nav are working very well.
The altitude need some tunnig (5~7 meter overshot when i do pith/roll comands using alt_z_hold)
With latest version i think the command are much more responsive.
I think this is because the "stabilization int_ref scaling"
Now when i engage the alt_hold the rotorcraft not drop altitude.
For now the WOOBLE problem continue.
After some minutes of perfect flight (hover_z_hold) i do 75% YAW command and the rotorcraft hold its position very well even with continuos YAW.
THen i stop the YAW and after some second i change from hold_z to alt_z the fly some seconds and the rotorcraft start to WOOBLE .
This time the battery are @ 50%.
The airframe file are all new, ppz are new installation but the wooble problem continue.
This is the cause of my 2 last crashes using 2 diferente rotorcraft and boards (lisa/krooz).
I am not confident with PPZ because the problem are very dangerous.
Anyone flying ppz rotorcraft here and confirm that not have this problem ?
BTW, i am experienced helicopter 3D pilot ... so this is not a pilot issue.
Some time the wooble start even in HOVER_Z_HOLD.
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