All Discussions Tagged 'oscillation' (16)

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Elevon oscillation plus compass problem

I have a Pixhawk on a large wing so using elevons. I ran Autotune and it seems pretty good but about 25 minutes into an Auto flight I got a…

Started by Andrew Parkinson

0 Jul 7, 2018

Dropped from balloon: DesRoll Square Wave in AUTO - ArduPlane 3.8.4

Just dropped a scratch built flying wing from a high altitude weather balloon. Here's quick vid of detaching at altitude. The glider did th…

Started by Izzy Brand

2 May 27, 2018
Reply by Izzy Brand

Roll oscillations, Pixhawk@Twinstar Arduplane 3.5.3

Hi folks, I have an issue with my Twinstar platform. Generally it is super reliable and stable. Recently I tried a few flights in stronger…

Started by Markus

0 Feb 26, 2017

Altitude fluctuating about 10m in auto mode

Hello,friends. My plane is about 5.5kg, wingspan 1.8m.Firmware 3.5 As below 。The altitude fluctuating more than 10m .Here is my te…

Started by farstein

0 May 20, 2016

Pitch oscillation on Auto

I get significant pitch oscillations on auto once it reaches the desired altitude. It's about a 5-6m drop with a period of 5-6 seconds.  Be…

Started by Chris Morin

6 May 20, 2016
Reply by farstein

X8 mid size copter 45 degree random oscillation and yaw overshoot

Hi Guys, Im having an issue with a mid sized frame X8 configuration. It will at random start to do a 45 degree roll oscillation which eve…

Started by Nigel Brown

0 Jan 24, 2016

Help diagnosing in-flight seizure

I have a few solid hours flying my Vario in Auto missions and have not had any real issues.  Today however, once RTL was engaged at the end…

Started by Chris Maier

4 Aug 10, 2015
Reply by Ferruccio Vicari

3.2.1 PIDs Is it normal to reach max values with no oscillations?

I have spent this evening tuning PIDs (well actually, just P's and D's, and not I's)on my 4s Tarot 680Pro build and have noted some strange…

Started by Paul Atherton

0 Jul 24, 2015

Copter shakes gimbal

I have a QAV400 with Pixhawk, under which I am mounting a stabilized gimbal. The gimbal has rubber vibration damping balls to isolate vibra…

Started by Rick Huebner

1 Jul 6, 2015
Reply by Rick Huebner

RPM oscillations on yaw

I am working on a 1.2m Quad with Pixhawk. First I had problems with the green Turnigy Multistar ESC, but after flashing SimonK they work ve…

Started by Erik Unger

9 Oct 14, 2014
Reply by Erik Unger

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