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Multicopter Tuning - Introduction to PID theory and how to tune your multirotor 

Painless360
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In this video we cover how the parts work in a PID loop and then use that know how to look at simple ways we can test if the PID settings are right on our model.
The main party of this video is the same content as one that was a hidden video for subscribers back in the Spring of 2015 but due to the overwhelming demand I've updated the content and added some flight video to help explain the topic.
Understanding how the Proportional, Integral and Derivative parts of the control loops work is vital to helping newer pilots get the best tune they can as quickly as they can.
In this video we cover:
- Introduction (0:02)
- Things to consider (2:32)
- What P, I and D are and how they work (5:03)
- How we can check and tune our PID levels (9:13)
- Things to consider when tuning (12:54)
Thanks for watching, please LIKE and SUBSCRIBE.
Happy flying!

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20 авг 2024

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Комментарии : 339   
@probante
@probante 8 лет назад
You are one of the few english speaking I do understand without trouble. And I am used to american accent having lived in the US for a while. This is a way of showing kindness and appreciation to subscribers. Your videos are really Painless! Thanks.
@Painless360
@Painless360 8 лет назад
+probante Thank you! :D
@allenampueda447
@allenampueda447 8 лет назад
English is not my native language and you are one of the people I enjoy to listen talking and I fully understand everything.
@tomsteinmeier2143
@tomsteinmeier2143 8 лет назад
You might not hear this a lot, but hot damn, it is incredibly nice that you're so good at explaining it and so thorough. There is no doubt about anything you say. Doubt is dead. Good job.
@Painless360
@Painless360 8 лет назад
Thank you! :D
@frostlife
@frostlife 7 лет назад
This hobby has changed so much over the course of a year. Most of the components on that quad are outdated in today's standards! I can't wait to see where we will be next year, and then I'll be writing this same comment again. :D
@davebrown2527
@davebrown2527 8 лет назад
this 1 video, has now made my understanding of sorting my PIDs out a lot simpler for me ...and a lot of others I seen from the comments, once again great work sir....
@Painless360
@Painless360 8 лет назад
+CX20 BIGSHARK Dave Brown Thanks Dave, I;m so pleased that I got the level right for most of the audience. Hope it helps you get your models dialled in..
@fronteirafpv8493
@fronteirafpv8493 5 лет назад
3 years since the last feedback, man, know ur video is still helping people, im for Brazil, and never found a video in my language wich was even close to the quality of your explanatio. didnt have much trouble whith naza v2, but almost quit minipix board, but now im able to calibrate both with accuracy. thank you man, keep up the good work!
@stufraser1825
@stufraser1825 8 лет назад
Man, thats the best explanation of PID's on the entire interwebs, Thanks Chief! I finally get it, just need to suss out the TPA now.
@Painless360
@Painless360 8 лет назад
+Mighty Chu "TPA basically allows an aggressively tuned multi-rotor (one that feels very locked in) to reduce its PID gains when throttle is applied beyond the TPA threshold/breakpoint in order to eliminate fast oscillations.." ;)
@stufraser1825
@stufraser1825 8 лет назад
+Painless360 Ah right, I wont worry too much about that until i'v gone around the PID's a few times then, brilliant. Thanks again man! Really apreciate your channel.
@rogerdevries4401
@rogerdevries4401 7 лет назад
an explanation that makes sense and it's easy to understand coming from a trusted Source thank you
@Painless360
@Painless360 7 лет назад
You're very welcome, glad it made sense.. Happy flying!
@wheelykingdotcom
@wheelykingdotcom 8 лет назад
your the best! took you 18 min to explain what needs to known. many many many thanks ! in the air whitout issues straight after this vid.
@Painless360
@Painless360 8 лет назад
Great to hear - happy flying!
@codyburns4149
@codyburns4149 5 лет назад
Thank you for clarifying "PID" my 20 years automotive driveability, electrical, sport tuning kicked in my craft is smooth as glass. Excellent explanation of protocol and theory. Great video!
@vaughanheilman1325
@vaughanheilman1325 8 лет назад
just wanted to say this may have been the best RU-vid informational vid I've seen. I'm in corporate training and we pay loads for this level of org and infotainment. Well done on the gloss, but more importantly PIDs now make sense to me. Thank you!
@Painless360
@Painless360 8 лет назад
Glad it made sense. My professional life I'm a business dev/consultancy chap that spends a lot of time creating models for businesses and delivering custom training. Glad it shows :D Happy flying!
@brucebakker5163
@brucebakker5163 8 лет назад
finally an explanation that I understand tnx painless 360!
@Painless360
@Painless360 8 лет назад
Glad it makes sense!
@bobuk5722
@bobuk5722 6 лет назад
Good Heaven's folks! I studied this almost 50 years ago now. It's the science, some would say the art, of Cybernetics. I vaguely remeber the Nyquist stability criteria! This video, to my mind, is a very good explanation of a really complex subject. Compex because the theory behind it involves something called 'imaginary numbers' which together with 'real' numbers make the mathematical concept of, guess what, a complex number. I really like the way this has been presented. Only wish I could have used it back then to build a UAV. We had the control theory, but lacked the miniturised technology. Back then it would probably have been done with analog rather than digital computers. What a wonderful and mind stetching hobby this is. I'm going to present this extreemly valuable aspect shortly to my Member of Parliament. Bob UK. (Edited for poor spelling).
@Painless360
@Painless360 6 лет назад
Best of luck with the presentation! Break a leg ;)
@AdrianoCasemiro
@AdrianoCasemiro 5 лет назад
I know, it's an oldie, but it's also a goldie. Thanks for the class, mate.
@JJc6996
@JJc6996 8 лет назад
+painless360 you have the best quad tutorials on RU-vid
@Painless360
@Painless360 8 лет назад
+JJc6996 Thank you.
@darylwade6174
@darylwade6174 8 лет назад
RC PID tuning video...posted day 1...over 100+ likes...You are a great teacher. Thanks for the vids.
@freddybanuelos9039
@freddybanuelos9039 8 лет назад
Thank you so much for sharing your knowledge with us . I never thought I would understand this pid tuning stuff . Thanks to this video and your analogies I clear understand how things work now . Learned something new today 🤓
@Derdedering
@Derdedering 8 лет назад
Good information. It took a while, years ago, to wrap my head around them and while I'm no pro, it usually only takes one good battery to get great numbers. Then I usually take a couple more batteries flying around and slightly tweaking them if needed and setting the other parameters that surround the flight characteristics of the specific board I am using. I subscribe to the D, then P, and finally I method (Dave's).
@azizulkarim9636
@azizulkarim9636 4 года назад
Very good primer on PID. Now I am interested to delve deeper and get the maths behind it.
@nickpgre
@nickpgre 8 лет назад
Very much thank you Doc! my rotorhead is healed! Great insights around PID tuning.
@Dangineering
@Dangineering 7 лет назад
I clicked on this to learn about PID's and I didn't even realize that you had a Nighthawk pro. That is just a bonus because I alos have it! Anyway thank you for the info!
@11myhunter
@11myhunter 7 лет назад
Thanks, just got done building my first quad and some of ur videos have helped me out so much.
@VenkatMangudi
@VenkatMangudi 4 года назад
Building my first quad with CC3D (yeah, the oldie). I find your videos very informative, thank you.
@kampkrieger
@kampkrieger 6 лет назад
how can this video not have 1.000.000 likes? I guess there are more than 1000000 drone pilots out there, so why?
@danamoose1234
@danamoose1234 8 лет назад
Best PID explanation I have experienced so far! Thank you as always!
@johnusjohnson8972
@johnusjohnson8972 8 лет назад
Very good explanation, going to tweek my PID's now rather than rely on autotune, its got a bit twitchy since going to DJI props on my CX20
@WhirlybirdFlyer
@WhirlybirdFlyer 8 лет назад
Thanks for the explanation. This is my first time dealing with control loops and you made it easy to understand. Keep the great videos coming!
@Jangter
@Jangter 8 лет назад
Tks for the video , my quad had the shakes, your video explaination has help me fixed the problem
@daveroche689
@daveroche689 8 лет назад
Very well explained. Your channel is a great resource.
@OneTwo-wt8qv
@OneTwo-wt8qv 8 лет назад
.... like the quad, ghost, flying thingy. Adding another piece to the puzzle thanks for the info, brain hurt on this one.
@deanwaters7748
@deanwaters7748 8 лет назад
thanks for your help mate. I just needed to calibrate the esc's properly. Thought I'd done it right the first time but obviously not. Anyway thanks again mate, if it wasn't for videos like yours id never have got off the ground.
@Painless360
@Painless360 8 лет назад
Glad to hear you're flying! Best of luck!
@manamalii
@manamalii 8 лет назад
A big thanks for all your great videos
@JB-kh7vg
@JB-kh7vg 8 лет назад
thank u for this video now i finaly under stand pid (i already have watched tens of video's about pid)
@Stigern
@Stigern 7 лет назад
Thanks for taking the time to make this video!
@goggl3boy
@goggl3boy 8 лет назад
I have watched a lot of your videos and always learn something, thanks!
@Mwellmac
@Mwellmac 8 лет назад
Thank you...exactly what I was looking for. Great video by the way.. more detailed than most
@magicalpencil
@magicalpencil 8 лет назад
pneumatics and electronics? sounds like my job! Good stuff man
@Painless360
@Painless360 8 лет назад
+magicalpencil Then this should make sense ;) Happy flying!
@magicalpencil
@magicalpencil 8 лет назад
Painless360 yeah! cheers man, it has been a good day for flying, for once!
@dr.erelevant9204
@dr.erelevant9204 8 лет назад
Brilliant explanation!
@ThePurplePupUwU
@ThePurplePupUwU 6 лет назад
3 days before my birthday!
@GenesRCAddiction
@GenesRCAddiction 4 года назад
Great video made it very understanding 👍 Thank you very much👍👊
@iflyrcplanes35
@iflyrcplanes35 5 лет назад
love the toilet analogy....i have learned a lot from u...the thing is now every time i take a whizz....i want to reset my pids!!....thank u so much!!
@bwanaPele
@bwanaPele 7 лет назад
Thank you so much for this video! I now actually have an understanding of this.
@hiwayM9
@hiwayM9 8 лет назад
Center of Gravity on the craft will affect the way it handles and can blur tuning efforts. The most common mistake with new pilots and modelers is to have the weight too far back with CoG behind the flight controller. This will make the quad feel as if the rear wants to wash out, and some of that lifting in FFF you mention. Tilted motor mounts, dihedral mounts on arm or motor, and motor plane on frame will also affect tuning. Regardless, Painless360 still covers the "feel" of what needs to be tuned so if you apply the concepts, then you will still find the quad tuned better. Centering the weight so the craft sets level at the center of the FC if possible will make tuning quick work though.
@Painless360
@Painless360 8 лет назад
+Hiway Great points Hiway!
@claudiufarcas
@claudiufarcas 8 лет назад
So true about CoG too far back. Happened to me on a QAV250 where on yaw it was so slippery. Solution - repositioning components for better balance and CoG.
@cytranic8602
@cytranic8602 7 лет назад
modern day FC's can compensate
@klaha1878
@klaha1878 8 лет назад
thanks for good tutorial, you are great teacher
@Painless360
@Painless360 8 лет назад
+oh yeah Thank you..
@wad5uk
@wad5uk 8 лет назад
Excellent. just what I wanted. Thanks
@Painless360
@Painless360 8 лет назад
+wad5uk Glad it made sense, this was one of the hardest videos get a level of detail that would be useful and not to complex or patronising! Happy flying!
@zeeborutherford147
@zeeborutherford147 8 лет назад
great stuff! feels much clearer now thanks.
@mrhappyfaq32
@mrhappyfaq32 8 лет назад
I was looking for that kind of video!!! Thanks man!
@Painless360
@Painless360 8 лет назад
+Fr33lumby© I'm so pleased it helps - this was the second attempt at the video to try and explain this..
@deepdivevr7244
@deepdivevr7244 8 лет назад
hi mate. time to change the name of the channel to rc academy..... we ll call you the professor..... also can you do a video about batteries....your experience with different brands.... thanks a loy
@Painless360
@Painless360 8 лет назад
+alisher rakhimov Thanks for the feeback and idea! Happy flying!
@jrod1944
@jrod1944 8 лет назад
Thanks again for an excellent video.
@robbennett
@robbennett 8 лет назад
also you can tune a non square quad. zmr etc by modifying the CLI settings in clean flight. Oscar lang has a great tutorial on it.
@AyanPahwa
@AyanPahwa 8 лет назад
Thank you for this video
@SpeccyMan
@SpeccyMan 8 лет назад
Very helpful video, thanks a lot.
@maxdessureault
@maxdessureault 8 лет назад
you are a genius. thank you so much
@Painless360
@Painless360 8 лет назад
+maxdessureault Thank you for watching and commenting!
@jimwilliiams8426
@jimwilliiams8426 7 лет назад
Excellent, thanks.
@aniketakabir1572
@aniketakabir1572 5 лет назад
Amazing mate. Your videos are just excellent!
@marksmediafpv9275
@marksmediafpv9275 3 года назад
very helpful thanks
@Ozmandius
@Ozmandius 7 лет назад
seems like someone could take that slide at the 12:00 mark and make a mini game out of it. some basic 2d wireframe thing where people could play with the PID settings to nail in a good flight, with a randomized sweet spot each reset so it's not a memorize the numbers to finish the "game" sorta deal.
@xboxice2005
@xboxice2005 7 лет назад
OMG Best video on youtube many many thanks :)
@Painless360
@Painless360 7 лет назад
You're welcome! :D
@xboxice2005
@xboxice2005 7 лет назад
Painless360 No thank you,my Eachine racer 250 With new F3 board was having really bad shakes after making inputs after watching your video I understood what to do,did it and now she's flying sweet 😊
@GetSchwiftyInHere
@GetSchwiftyInHere 7 лет назад
wow! im adhd and Damn this helped a lot haha
@mxte
@mxte 8 лет назад
Thank you thank you thank you!!!
@Painless360
@Painless360 8 лет назад
+mxte You're welcome. Glad it made sense!
@stevejones9044
@stevejones9044 7 лет назад
Love your backyard. You can come anytime to get mine to look like yours! :) Another great video, thanks!
@Painless360
@Painless360 7 лет назад
:D Happy flying!
@ashishfaustine
@ashishfaustine 8 лет назад
osmm information. .. loved it
@tykenminator
@tykenminator 8 лет назад
Thanks alot for taking your time to explain this to us beginners. I have been flying with factory settings. It was hard but i think it made me a good pilot:-=) Heh he. Please upload files for download if possible. You can download other peoples settings. Thanks for the upload.
@Painless360
@Painless360 8 лет назад
+Normann What files?
@tykenminator
@tykenminator 8 лет назад
There was on one video where they shhowed how to adjust pid and such. And he had his settings on a file people could download. And use for upload in the open pilot program. If you see in the open pilot program. You can see that you can import settings. You see:-)) I havent found the video. But i saw it like a year ago when i started building. Thanks for taking your time to teach us this. Realy apreciate it:-)
@Painless360
@Painless360 8 лет назад
+Normann I see, you mean the tuning settings? You can't use another's setting unless the frame, motors, props, balance, battery weight, battery size, flying style and piloting skills are exactly the same.. Best of luck.
@tykenminator
@tykenminator 8 лет назад
Im starting now to understand the settings in the open pilot manager. Wow what a fun hobby.
@doondedulin44
@doondedulin44 8 лет назад
Nice vid. Thanks ☺
@TheTrippicm
@TheTrippicm 8 лет назад
Thank you for this info!!
@ICEMAN_GLX
@ICEMAN_GLX 8 лет назад
Taking my snapshot now incase i really mess this up lol i have always just avoided pids but now im alot better and all i notice when i fly is the wobble on sharp turns messing me up now who wouldve thought that not having a finely tuned quad would effect me :)
@Painless360
@Painless360 8 лет назад
+Ultimatevapor918 happens to most of us eventually. See the videos on Tuning from Joshua Bardwell. Some great practicle examples of tuning on his channel.
@ICEMAN_GLX
@ICEMAN_GLX 8 лет назад
yea ive been watching him and talking back and forth ive got better but not perfect yet im getting some wobble on sharp turns and a little in forward flight
@neil200830
@neil200830 8 лет назад
I am using a cc3d on librepilot my transmitter is I flysky i6.
@resident_
@resident_ 8 лет назад
your channel is so valuable to guys like myself starting out in this hobby, can you do so skyline32, they is very little out their....massive thannks
@Painless360
@Painless360 8 лет назад
+ResidentOfEvil 34 We have a video or two on it that explains the differences in the connections between it, and the Naze32. We have a full set of Naze32/Cleanflight videos that should help you figure it all out..
@resident_
@resident_ 8 лет назад
Found them.... Thank you..... Subscribed.
@dimitri246
@dimitri246 7 лет назад
thanks
@AbuTayibaRCVideos
@AbuTayibaRCVideos 8 лет назад
Very nice
@inmersouav
@inmersouav 8 лет назад
Great explanation, its refreshing to have a more systematic explanation, now what about rates nd tpa? how those affect tuning?
@Painless360
@Painless360 8 лет назад
Tpa?
@inmersouav
@inmersouav 8 лет назад
on the right side of PID, you have roll rate, pitch rate, yaw rate, TPA and TPA Breakpoint, I haven't found any info on TPA breakpoint but some people tune also the "rates" and tpa. What are your thoughts on this
@Painless360
@Painless360 8 лет назад
I see, what GUI are you using?
@inmersouav
@inmersouav 8 лет назад
Cleanflight
@Painless360
@Painless360 8 лет назад
I see. "TPA basically allows an aggressively tuned multi-rotor (one that feels very locked in) to reduce its PID gains when throttle is applied beyond the TPA threshold/breakpoint in order to eliminate fast oscillations.." i.e. you can get the craft to tone down the PID settings when you are flying like a loon! :) Happy flying!
@gravy6009
@gravy6009 8 лет назад
If I give my quad abit of throttle to take off the ground then back off to hover it drastically goes up and down. And if I then land it, it start to jump very aggressively on the ground
@Painless360
@Painless360 8 лет назад
+Matt Graves that may not be the PIDs. I'd check the esc calibration and settings in the flight controller first. We had something similar recently and I covered my troubleshooting process in video 7 of the 'Quadcopter building for beginners ' playlist. Best of luck!
@glenmccall4571
@glenmccall4571 6 лет назад
IAM using libre pilot with a cc3d with 5 4 props and 12a becs. And yes there on right and spinning in right position ..and using flysky fs iA6b battery 3s ... please please help
@Alvaroeduardo
@Alvaroeduardo 8 лет назад
great video, your explanation of D was not that clear to me, can you use an example?
@adnanulhaque8846
@adnanulhaque8846 8 лет назад
Nice explanation. I am new in RC world. One question: Pg-24 of "PID without a PhD" is asking to start with D , then P , then I but in video you are starting with P?. Any specific reason? Pg-24 reference of "PID without a PhD" ------------------------------------------------------------ "Once you get the setup ready, set all gains to zero. If you suspect that you will not need differential control (like the motor and gear example or the thermal system) then skip down to the section that discusses tuning the proportional gain. Otherwise start by adjusting your differential gain"
@Painless360
@Painless360 8 лет назад
You need a little P to stabilise the craft, no P will mean that the craft is pretty un-flyable. Happy flying!
@brendendas
@brendendas 8 лет назад
Hello Mr painless long time fan here. After seeing a lot of your quadcopter videos I decided to buy one for myself and I ended up getting a DJI 450 ripoff quadcopter and I set it up with a KK2.1.5 board. I flew in a little bit and got a little too excited and took it to my terrace where I tried to do some hover and straight line flying, unfortunately, the damn thing flew away and I have not been able to find it yet (I cut throttle when it went too high and it started acting VERY WEIRD after that and flew away into the sunset) . Could you please make a video where you show us how to locate a lost drone, set up a GPS system location system or just general noob tips.. I think it'll help out a lot of beginners like me from losing out on a lot of expensive equipment due to sheer stupidity.
@Painless360
@Painless360 8 лет назад
+Brenden sounds like an excellent idea! I'll make that one! Hope you recover yours soon..
@brendendas
@brendendas 8 лет назад
+Painless360 thank you. looking forward to you video.
@Painless360
@Painless360 8 лет назад
You can preview it here - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-K-5B_k8VOfA.html Hope it helps a little.. Let me know..
@brendendas
@brendendas 8 лет назад
Incredible. Thank you! :D
@paulinfrance5
@paulinfrance5 7 лет назад
Wow thanks,,,,
@BtownFlyer
@BtownFlyer 8 лет назад
One point I am not clear on. Why wouldn't P correct for a sustained error? Lets say my commanded bank angle was 30 degrees and that the model moved out of 30 degrees by small increments over time. Why wouldn't P act to remove the error? I guess I don't really understand why we need an I gain at all.
@Painless360
@Painless360 8 лет назад
+Brayton Thompson Have a read of the other resources I point to - maybe one of the explanations in those will make more sense. I also struggled with this when I first came across PID loops and P Only, PI only as well as PID loops are common in control systems... Best of luck
@ICEMAN_GLX
@ICEMAN_GLX 8 лет назад
I've watched this video over and over I cannot figure out why when I do a punch out on three 3's my quad is fine but when I do a punch out on 4S he wobbles and makes a terrible sound I have a qav210 I'm running Cobra 2204 2300 KV Motors 30 amp ESC on a cc3d board I noticed the wobble during fpv I can hear it as soon as I punch out and take off
@Painless360
@Painless360 8 лет назад
+Ultimatevapor918 you need to recheck your PIDs if you are using a different size battery.. Best of luck..
@ThePromptWizard2023
@ThePromptWizard2023 8 лет назад
Damn good.
@raygibbins
@raygibbins 8 лет назад
Hi. Great video as usual. I would like to ask a question on PID tuning. Everything I read and see on line talks about the PID setting on pitch and role. What about the Yaw PIDs? what effect altering the YAW have on the quad and how do you know when they are correct?
@Painless360
@Painless360 8 лет назад
+Ray Gibbins Very similar to the others - if the yaw oscillates then check the P isn't too high, if it drifts then look at I etc.. Best of luck!
@petwog
@petwog 8 лет назад
Perfect!
@davidc5808
@davidc5808 8 лет назад
+Painless360 I have a s500 drone with a cc3d and when I pitch forward or backward my drone immediately wants to pitch over to where it seems like it is going to flip over and it loses alot of altitude in a very short amount of time. what pid gain do you think is making it do this?
@JoeSmith-el9yt
@JoeSmith-el9yt 8 лет назад
what would cause a wobble that starts slow, and builds up gradually till it's violently swinging the quad?
@Painless360
@Painless360 8 лет назад
+Joe Smith Sounds like one of the values is too high. It'll be P or D probably depending on the speed of the oscillation. Try one then the other.. Best of luck!
@odinata
@odinata 8 лет назад
Does anybody know if it is okay to extend the motor wires? I added about 3 inches of wire to each lead of my motors. I'm having troubles flying and I'm wondering if this is why....
@Painless360
@Painless360 8 лет назад
+odinata if they are the same size and the connections are all good then it should be fine.. Best of luck!
@kostasganosis8019
@kostasganosis8019 8 лет назад
Hello again sir i have a emax 280 and me like you i double the pids and had your symptoms (like your video ) can you give me your pid setup to test in my? Thank you anyway for your time. ..
@jalpa9642
@jalpa9642 4 года назад
Great Video Sir, I have a question though...... I use QGroundControl on my Pixhawk, on the Firmware update it shows Pixhawk Pro Autopilot x.x.x.x.x with no version numbers. If I want to read the Wiki to find out about the PID's How do find out which version I have downloaded....? Thanks in Advance.... James.....
@jules1983
@jules1983 5 лет назад
Have a question, just got an immersionrc vortex 285, i come from flying dji f450 so i like steady stable cruising. I know the vortex is made for racing but i want to set the throttle and the yaw, pitch and roll less sensitive so i can cruise more and not crash all the time. When i throttle up i have a hatd time hoovering and i just want more stable controls, i want to change my pid’s so it flies more like my f450, stable and more for cruising. The controls that are set now are to sensitive for me even if i fly in angle mode. To what values do i have to set my pid’s so it flies more like i want and how can i make my throttle les sensitive so that it does not shoots up like a rocket when i throttle up and doesn’t fall to the ground when i try to compensate and throttle down. I hope you can help me, been watchong your vodeos for a couple weeks and learned a lot! Thanks in advance mate!
@stevietee10
@stevietee10 8 лет назад
Hi The manual for NAZE says cover the baro with foam and shield the board from sunlight. I notice you use a perspex cover and no foam. Is this just for video clarity or is the manual being over cautious? Great tutorials BTW I've learnt so much from you. Thanks
@Painless360
@Painless360 8 лет назад
+Stephen Thorpe We always cover a baro with foam, the boards we build are actually inside the middle of a carbon frame so are shielded from the sun. The advice is there as the cheap gyros used on the model 'drift' with temperature. Happy flying!
@stevechapman7564
@stevechapman7564 7 лет назад
G'day I have just upgraded from APM to Pixhawk controller. since the change i have noticed that the motors get quite hot after only going for about 10 minutes when compared to the APM. I am using the same batteries and ESC. Could this be a problem with the tuning? I have tried an auto tune with no difference. Thank you for all the time you put into making the videos. I find them pleasant to watch and informative.
@Painless360
@Painless360 7 лет назад
Possible, I've not seen that here so I'd have a look in the forums for another pilot who've had something similar.. May need vibration damping or a different LPF setting..
@stevechapman7564
@stevechapman7564 7 лет назад
LPF?
@Painless360
@Painless360 7 лет назад
Try googling 'lpf painless360' to find out more.. ;)
@reddwarf5677
@reddwarf5677 8 лет назад
Hello Painless360, firstly let me thank you very much for all your videos. It was a great help when building my first quad. I'm just about to start tunning my PID but I come to bit of a problem. I have all sorts/weights of batteries and if possible I want to keep same PID setting for all batteries. So in order for PID to work with all, should I tune with the heaviest or lightest battery I have? thank you in advance for reply.
@Painless360
@Painless360 8 лет назад
+Martin Munz Tune with the one you'll fly with most ;) The difference in weight and inertia will affect the tune..
@reddwarf5677
@reddwarf5677 8 лет назад
OK. Thanks for quick reply. Somehow I start to tune P and strange thing is that I increase it on Roll to 14 and only than I get wobble and pitch even to 25,5 (highers possible) and still no wobble. How this can be? (using latest betaflight on Naze 32)
@joestubbs3138
@joestubbs3138 8 лет назад
what do the PID values refer too gain /min per repeat / repeats per min as seen in my long past industrial pneumatic Foxboro Model 40 days
@Painless360
@Painless360 8 лет назад
+Joe Stubbs They are arbitrary figures that are used with whatever PID loop code/system is bring used. Happy flying!
@tim101simons
@tim101simons 8 лет назад
there are PID for lost of different options like pitch roll yaw alt how do you know what PID to change
@Painless360
@Painless360 8 лет назад
+Tim Simons Most often the PID for pitch and roll are the same/ very similar. Have a look at the documentation for the FC/FW you are using.. Best of luck.
@nandakoryaaa
@nandakoryaaa 7 лет назад
With the wrong P, can wobbles actually amplify each other so the drone will flip over?
@Painless360
@Painless360 7 лет назад
+nandakoryaaa I've never seen it but you can get nasty oscillations in a badly setup model..
@sperzieb00n
@sperzieb00n 8 лет назад
so in essence, P corrects angle, I angular speed, and D angular acceleration?
@Painless360
@Painless360 8 лет назад
Kinda. P is the correction, I is there to overcome persistent deviation and D can be through of as the 'speed' of the reaction.. ish! The documents I link to are great for the detail. Happy flying!
@doondedulin44
@doondedulin44 8 лет назад
Hi PL. Another great vid, thanks for taking the time to make it. Quick question.. I get quick oscillation with quick roll inputs. I really thought it would be P but right through the ranges it still does it? I'm using Naze32 with a looptime of 500, no mag, accel or baro. Any thoughts ☺
@Painless360
@Painless360 8 лет назад
+doondedulin44 I'd check for excessive vibration in the craft first, then reset to defaults on the PIDs and start again. Could be P or D needs tweaking..
@doondedulin44
@doondedulin44 8 лет назад
+Painless360 OK thank you. Will give it a try today :)
@jacktheninja
@jacktheninja 5 лет назад
I just enable auto tune and it calculates for me
@SA-ow9yo
@SA-ow9yo 3 года назад
Anyone knows can I transfer betaflight 3inch quad PID values to ardupilot?Im using kakute f7 v2 board.
@Painless360
@Painless360 3 года назад
You can't. Very different implementations. Even the ones in Betaflight change regularly so it's tricky to copy BF to BF version. Check out autotune.. Best of luck
@ashishfaustine
@ashishfaustine 8 лет назад
if possible please explain yaw tuning on apm.. having a hard time tuning yaw
@Painless360
@Painless360 8 лет назад
+Ashish Faustine Same principle, if it oscillates - reduce P, it it creeps - increase I etc..
@ashishfaustine
@ashishfaustine 8 лет назад
Ok I'll try
@johnwick1346
@johnwick1346 8 лет назад
ive tested my build, it has a slight wobble on hover and it does what i call feathers down when i drop throttle do i need to raise my pids? its my first time tuning, all of these videos are all done on a 250 quadcopter mine is a 450 size, please help before i break it lol
@Painless360
@Painless360 8 лет назад
Depends on the type and speed of the wobble. Joshua Bardwell has some great videos on tuning PIDs using the BlackBox recordings. I'd have a look there.. Best of luck!
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