It is very hard to tune a brushless gimbal. Even the best tutorial found on the internet are hard to replicate because we all have different setups : cameras are different, hardware is different, Voltage input to the alexmos board is different, etc.
Let's share our PID settings to constitute an as big library of settings that works as we can. Either you will have the same configuration as someone and you can just copy the settings, either you are close to a published setup and then you can start from there to tune your particular gimbal.
-Gimbal hardware : make or model
-Camera : make and model (specify also if you have particular lenses as the weight changes with differetn lenses)
-Brushless motors : make and model, number of turns
-Power , P, I, D for pitch and roll axis
-an eventual youtube video to show your best results with these settings
-Gimbal from kamkop.de
-Camera : NEX5R with 16-50 lens
-Brushless motors : GMB 5010 - 150 turns (copies of RCtimers I think)
-Battery to alexmos board : 4S
-ROLL : Power : 120, P : 20, I : 0.17, D : 18
-PITCH : Power 50, P : 17, I : 0.15, D : 15
Result video: https://www.youtube.com/watch?v=fw7Z-iPGiKQ
Your turn now !
Auto tuning works pretty well with newest SW for most of the setups. Filtering has big influence on many setups, and on Advanced tab is plenty of useful stuff.
If you are tuning aerial gimbal, do not forgot to tune your FC also and RC control setup affects a lot the end result.
Guys, are you sure this is the best approach to set your gimbals' PIDs? I'm just thinking out loud, but there's WAY TOO much variables constituting to your gimbal's performance, never mind a person's personal preference to set a gimbal less / more aggressive.
I watched this half hour video discussing the PID setups of different PID parameters and respective effects (from first principle basically), and must say.... this guy knows his stuff. It helped me to figure out my gimbal
Hey guys, I need to know if my gimbal config were good.
I use 2 axis alexmos with 2204 260kv motor on roll and pitch.
The camera was Xiaomi Yi that weigh around 70 gr.
The setup I've been use was GoPro setup with these value:
Roll: P = 15; I = 0.4; D = 25
Pitch: P = 5; I = 0.2; D = 11
Roll = 80
Pitch = 55.
I put these on my custom F450.
When not flying, the gimbal worked good. But when I flew these with my quad, the gimbal became unstable, moved like crazy. I try to give more power on setting (180/150), the condition became worse when flying. Otherwise, normal when not flying.
I saw another gimbal using 2208 70kv/80kv/90kv. I used to use that gimbal too with same camera but there was no need extra effort in PID and power setup. Curious.
What is the root of my problem? Is it PID setup or my gimbal's motor kv?
Here is the settings I use with a Gyrox 3 and Hero 3 + black.
These are the original links http://www.levitezer.com/styled-2/blog-2/files/archive-sep-2014.html and http://www.levitezer.com/styled-2/blog-2/files/archive-oct-2014.html
Connecting the Potentiometer electrically FPV Follow Potentiometer
Mechanically it need to be installed as per gimbal. It needs to be installed so that the potentiometer rotates when Yaw moves. Some have modified an inexpensive servo, taken all electronics out except the potentiometer and connected it with a link. But what ever works.
I noticed the link above is pointing to the latest blog entry. Above answer is relevant to Yaw potentiometer.
The latest entry is about waterproof GoPro gimbal. It is still a prototype, uses encoders on all axis. Its installation is simple, it is just pushed between the landing gears and the foams on landing gears act as vibration dampers, works really well https://vimeo.com/133215115
How do you mount it to the quadcopter? Is it only compatible with specific models (I have a 3DR).
Some BaseCam 32 bit board filtering tips, how to reference gimbal Yaw to airframe, etc. and more to follow http://www.levitezer.com/styled-2/blog-2/index.html
Yes indeed, I am still stucked with an 8 bit version...