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I found Best Robot Actuator (GYEMS: RMD x8) 

Skyentific
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19 авг 2024

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Комментарии : 346   
@Skyentific
@Skyentific 4 года назад
Best way to support my channel is to like, to comment, to share the video and to subscribe.
@christophemalvasio5569
@christophemalvasio5569 4 года назад
the Best way to support your channel is to make companies with you !!!
@Texaca
@Texaca 3 года назад
@Simon Julius ...what does that have to do with this video? it's not relevant to this channel, or the technology being tested in this video.
@user-sw2ed2xz8i
@user-sw2ed2xz8i 3 года назад
Здравствуйте! У меня почему то на прямую через их драйвер не конектется, пишет
@devers6
@devers6 4 года назад
I want to tell you how much I enjoy watching all your videos. I am only casually interested in robotics; I have no real applications that I could use for myself. But I very much like watching your videos because you show the entire process of evaluating motors and mechanisms. I have been a CNC and 3D printing enthusiast for over 25 years now, and robotics may become affordable enough in the future that I might begin to dream up uses that I can’t envision today. But in the meantime I find great joy in watching all of your projects and experiments. You are one of my favorite channels, and I hope you continue with your videos because they are so informative and entertaining. I love how RU-vid brings the world together.
@BenKatz
@BenKatz 4 года назад
It has been super strange to see something I designed copied by so many Chinese vendors, and then reviewed by people on the internet.
@columbustalley330
@columbustalley330 4 года назад
You might as well release the CAD now so at least the clones are of better quality ; )
@Nill757
@Nill757 4 года назад
Miss your periodic videos. Hope Life is good at Boston D.
@montanacaleb
@montanacaleb 4 года назад
Could you give me a link so i can buy from you?
@alexmeakins
@alexmeakins 4 года назад
Nice work tends to end up in some fun places.
@Skyentific
@Skyentific 4 года назад
Ben Katz if this is a great product, why not? :)
@BunkerSquirrel
@BunkerSquirrel 3 года назад
Watching it jump in his hand when he changes direction is both scary and beautiful. Like watching that guy with the bear sanctuary play with his bears.
@sanjaybhatikar
@sanjaybhatikar 4 года назад
I am amazed! I though something like this would be far more difficult. Thank you for opening my eyes to new possibilities.
@klausnielsen1537
@klausnielsen1537 4 года назад
There is something reassuring about your way of explaining and demonstrating your ideas and progress that I really like. Your could be a good politician.
@bhong69
@bhong69 4 года назад
your video is really helpful for me (i'm a programmer in s.korea). thank you so much.
@viacheslavdobrovolskiy
@viacheslavdobrovolskiy 2 года назад
Dude, it's so great that world have such a wonderful videomaker. I'm appreciate that your content is full of practical use and a little bit of humor.
@mattanimation
@mattanimation 4 года назад
"It's almost like on those fancy RU-vid channels", heheh this is a fancy RU-vid channel! working on frickin' robot arms
@Skyentific
@Skyentific 4 года назад
Thanks!
@vonries
@vonries 4 года назад
at those prices for each of those it better be.
@abd-ullahel-sayed4102
@abd-ullahel-sayed4102 Год назад
This channel is heaven! thank you so much for your testing. THIS IS GREAT!
@ukyakin
@ukyakin 4 года назад
Очень познавательное видео, большое спасибо)
@Skyentific
@Skyentific 4 года назад
Большое спасибо за добрый комментарий!
@macteh7298
@macteh7298 4 года назад
Wow, for a robotic student seeing these actuators is sooo pleasing to the eyes. If possible plz do make a video of some of the options for the feedback systems that we can use in case of using a normal DC motor with gearbox (not a stepper motor) for the actuators. This is my project actually sothat we can use the DC motor of our choice.
@SLLabsKamilion
@SLLabsKamilion 4 года назад
So basically, making these nice cheap multipole actuators completely worthless by switching back to a design with no holding torque, phase backlash, big EMF capacitors, and terrible positional control.
@10356665
@10356665 Год назад
Professional content and very clear and light way to explain
@skydivekrazy76
@skydivekrazy76 4 года назад
Thank you for making these videos.
@tonysfun
@tonysfun 4 года назад
Very well done presentation! I came because of James Bruton youtube channel and he loves your channel also! I had to become a subscriber, because of your honesty! Thank you very much!!!
@dieselphiend
@dieselphiend 4 года назад
Thank you so much for sharing these! I've been looking for something like this for a very long time for the purpose of building a very advanced camera slider!
@andreyzolotoev
@andreyzolotoev 4 года назад
Пора открывать производство таких приводов! В будущем робот без таких будет считаться стим панком! Танец в конце- топ!
@Skyentific
@Skyentific 4 года назад
Спасибо. Я думаю что скоро такие актуаторы начнут дешеветь.
@andreyzolotoev
@andreyzolotoev 4 года назад
@@Skyentific по ходу сам начну делать
@andreyzolotoev
@andreyzolotoev 4 года назад
@@Skyentific если покажешь нутрянку
@ScottOlsenctrlbreak
@ScottOlsenctrlbreak 4 года назад
You're a cool dude, genuinely. I dig it. Definite like and subscribe. Keep going.
@stepbystep-robotics6881
@stepbystep-robotics6881 4 года назад
This is the servo that I mentioned to you on your previous video but you haven't replied to my question. Anyway, yeah the good thing is it can read position in multi-turn. But when ever you turn off the power and power again, the servo will lost its absolute position, so you may need to calibrate every time you reboot the servo to get the absolute output shaft position. It's just a small issue, just point out to you :) anyway nice video again!
@UnidudeNine
@UnidudeNine 3 года назад
Do you have any idea what library he's using? I can find an "mcp_can" library by searching on github, but none of the ones I found were compatible with his code.
@protesisroboticamexicana5296
@protesisroboticamexicana5296 4 года назад
Thank`s you to share your work with the best attitude!!!
@bernard2735
@bernard2735 4 года назад
Good to find someone who knows so much. Liked and subscribed.
@BebenX
@BebenX 4 года назад
I really appreciate these videos, I wish you great success.
@EcoGreensFarm
@EcoGreensFarm 4 года назад
Thank you for sharing! Very good info.
@Skyentific
@Skyentific 4 года назад
Thank you for your comment!
@chemicalcorrosion
@chemicalcorrosion 4 года назад
As usual, awesome content! Thank you for sharing.
@anasghobj8044
@anasghobj8044 Год назад
thank you for such video
@hemreozgur
@hemreozgur 4 года назад
Thanks for the nice video and consistent test method.
@atefbenhazem9073
@atefbenhazem9073 4 года назад
Hi, it's a really nice actuator, thank's for share :D
@fischertechrobots
@fischertechrobots 4 года назад
Thx for your videos!
@gawags4709
@gawags4709 4 года назад
These are awesome! Great video
@Texaca
@Texaca 3 года назад
10:06 ...nice socks. lol Great job on the video, it is very informative. I always wondered how these devices worked. I have been very interested in this technology, since seeing the HAL (Hybrid Assisted Limbs) exoskeleton in a video, that was developed by Cyberdyne in Japan. Thanks for sharing your knowledge. --- Alfredo @ Tyler, TX, USA
@davidkooi4349
@davidkooi4349 4 года назад
Just subscribed. Thanks for the great information and resources!
@trinityklinkert9021
@trinityklinkert9021 Год назад
Great videos thank you so much, this helped me so much.
@SinanAkkoyun
@SinanAkkoyun 11 месяцев назад
The links are down, just wanted you to notify :)
@manoharsambandam4402
@manoharsambandam4402 4 года назад
Thanks for the good review , very useful
@Mikle_Fedorov
@Mikle_Fedorov 4 года назад
A very interesting option is a motor wheel from a gyro scooter. 600rpm and 350W nominal. very large Nm and no backlash. the price for a motor is only $ 30-40. I controlled using a VESC controller. very well you can configure the necessary PID. I will assume that the difference in Nm is ~ 1.5. in favor of gear with play :-( but just by increasing the voltage you can easily raise the current -> Nm. I turned the 36V motor from 60V. without heating I could not give a continuous load. but the most important thing is WITHOUT BACK LASH!
@Martin-xb2rz
@Martin-xb2rz 2 года назад
This is so helpful for my 6 axis 3d printer
@protesisroboticamexicana5296
@protesisroboticamexicana5296 4 года назад
Good video and explanation, you rock's, thx!
@Skyentific
@Skyentific 4 года назад
Thank you a lot!
@protesisroboticamexicana5296
@protesisroboticamexicana5296 4 года назад
@@Skyentific Than's for share your work with the best attitude!!!
@snoop3336
@snoop3336 4 года назад
Can u please do a video on robot kinematics
@Skyentific
@Skyentific 4 года назад
I should! Many people asked me about this. I will look into it.
@theodoreburns1330
@theodoreburns1330 4 года назад
@@Skyentific Yes! I'd love to see more introductory stuff from you, or at least a more in depth explanation for your projects. I love your work and would love to understand more of it!
@eglintonflats
@eglintonflats 4 года назад
If you can read, then there are numerous books on the subject of robotics kinematics but it requires an effort
@theodoreburns1330
@theodoreburns1330 4 года назад
@@eglintonflats They don't have a sexy accent though.
@MrTrilbe
@MrTrilbe 4 года назад
@@eglintonflats That's one of the issues, there are so many books on the subject, where does one start and how do they progress and in which direction?
@phuoctholy3936
@phuoctholy3936 4 года назад
very good lesson. It is easy to undestand. Thank you
@Dave-nz5jf
@Dave-nz5jf Год назад
So if you can control the speed of the actuator you could probably slow it down before it stopped to reduce backlash.
@taivovutt6869
@taivovutt6869 4 года назад
Thanks! Very interesting and useful.
@genghizalseitov3807
@genghizalseitov3807 4 года назад
Ваш английский становится лучше радует, спасибо за видео)))
@Skyentific
@Skyentific 4 года назад
Спасибо! Приятно слышать, а то все только и критикуют мой английский! :)
@cheneychen1247
@cheneychen1247 4 года назад
Thank you for sharing!Very useful
@vjszq4
@vjszq4 4 года назад
To build robotic arms, you need lightweight motors with high torque. If you compare continuous torque to motor weight ratio, Dynamixel H54 is the best.
@anonymous.youtuber
@anonymous.youtuber 4 года назад
Nice video !
@Skyentific
@Skyentific 4 года назад
Thank you!
@ChainsawDNA
@ChainsawDNA 2 года назад
Excellent video
@happyhayot
@happyhayot 7 месяцев назад
Hey, great review! Do you still have the documentation of this motor by any chance? It would be really useful. Thanks
@skipper5811
@skipper5811 4 года назад
I want to make a correction here " high voltage doesn't mean low current". In Robotics torque is more of an important factor than RPM. So 48V means it's designed to carry more current. I am expecting that 48V & 24A can generate around 24Nm effectively by using a 6:1 Gear ratio for your first motor.
@cheneychen1247
@cheneychen1247 4 года назад
The size of the motor limits the maximum power
@allenmaker2718
@allenmaker2718 4 года назад
Thanks a lot, very interesting!
@PhG1961
@PhG1961 4 года назад
Excellent video and really both products are just beautifull !! Unfortunately a little expensive for me as a hobbyist...
@catalinaguta4613
@catalinaguta4613 Год назад
Hi! Where can I find the motor control protocol documentation that is used in this video?
@jonwatte4293
@jonwatte4293 4 года назад
If you pay over $500 for an actuator, you should also look at the Robotis Dynamixel XM and Pro series.
@gerokatseros
@gerokatseros 4 года назад
500 dollars for every actuator!!!??? Very expensive, also torgue without speed is not an indication, you can have big gears with small motor and create huge torgue but small speed ... speed should be mentioned in the testings
@kokotmkokot4926
@kokotmkokot4926 4 года назад
total sold 0 items, product reviews 0
@gerokatseros
@gerokatseros 4 года назад
@@kokotmkokot4926 well this video was a review ;)
@AlecMuller
@AlecMuller 4 года назад
One of the links above has a tab for specs, and it says 250 rpm. The other (the PRO version) doesn't have a speed. I agree, I'd really want to know both speed & torque before spending this much. Having said that, 20-40 Nm is _a lot_ of torque for something so small.
@stickyfox
@stickyfox 4 года назад
@@AlecMuller he linked a website in the video description. It has a table of specs if you scroll about halfway down.
@spyketan72
@spyketan72 3 года назад
@14:44, let’s increase the torque with the pressure of My Magic hand.
@aravinthkumar7924
@aravinthkumar7924 4 года назад
Nice video and actuator. Is it possible to review some cobot (collaborative robot) joint actuators like Universal Robots, Han's robotics?
@justtestingonce
@justtestingonce 4 года назад
Good luck getting a shipment with the coronavirus shutdown going on!
@Skyentific
@Skyentific 4 года назад
I just received yesterday another parcel from china. No problem.
@piethelderop8085
@piethelderop8085 3 года назад
The virus not survive the travel :-)
@alfiolocatelli5093
@alfiolocatelli5093 4 года назад
Very interesting! they are not the cheapest thing on this earth but they seems good, maybe for the 7Axis new robot !
@braindeadbzh
@braindeadbzh 4 года назад
So beautiful motors 😍
@backpropagated
@backpropagated 4 года назад
I have no need for one of these but I really want one now lol
@alsonic19
@alsonic19 4 года назад
good information, thank you
@HorelvisCastilloMendoza
@HorelvisCastilloMendoza 9 месяцев назад
Hi, @Skyentific you recommend other actuator motor, this is out !
@MetalRobotics
@MetalRobotics 2 года назад
great video!!!!... can you please explain a little bit about what is torque control mode and how you used it in this actuator.
@mediajosh
@mediajosh Год назад
Any idea on whether MyActuator is still supporting these motors? They seem to have gone offline and aren't responding to support messages. Using this exact same setup and code, can't get any communication with the motors, even with the debug software.
@plemli
@plemli 4 года назад
No open shaft / slipring limits multiturn use.
@agorbot4523
@agorbot4523 3 года назад
I dont know if you have it or not, but you should make a page with projects etc...and a Discord channel. Good luck!
@jdmeesey
@jdmeesey 3 года назад
You certainly would look a lot fancier with a couple led diffused light sources. Maybe I don’t know what I’m talking about, but I know your subscriber count will benefit from some better lighting gear 🔥
@BarkanUgurlu
@BarkanUgurlu 4 года назад
good luck in estimating the backlash via a ruler.
@Skyentific
@Skyentific 4 года назад
If you cannot estimate it with ruler, it means the backlash is small :)))
@BarkanUgurlu
@BarkanUgurlu 4 года назад
@@Skyentific define small :)
@AdaptivePhenix
@AdaptivePhenix 3 года назад
What would have been nice to know is; does the feedback (encoder) read the backlash? I have always utilised 2 feedback devices per axis.
@NathanBuildsRobots
@NathanBuildsRobots 4 года назад
Thanks for bringing attention to these actuators. I bought one for a project. Do you have a video that details how to use the CAN bus?
@antonwinter630
@antonwinter630 4 года назад
they look like great actuators. it would be great if there were cheaper alternatives
@miguelangelgamboagamboa8196
@miguelangelgamboagamboa8196 4 года назад
great job!!! thanks!!!!
@piethelderop8085
@piethelderop8085 3 года назад
I have the steadyWin actuator, i suppose you have to calibrate motor before it will move at all :-). The red light comes up , but no movement
@user-ln5uj7wy1u
@user-ln5uj7wy1u 3 года назад
Ай кам хиар ту си вэри интэрэстинг актуэйторз!
@shkolns
@shkolns 3 года назад
Акцент - это фишка. Пипл хавает.
@gerokatseros
@gerokatseros 4 года назад
I m thinking of using those strong and cheap compaired to this , e-skateboards brushless motors along with odrive or FSESC that cost one fourth of this actuator for a robotic arm
@kipkerluke2508
@kipkerluke2508 4 года назад
Do you wish that these motors had a higher gear reduction? 1000 RPM seems high for a robot arm application
@vsigal
@vsigal 4 года назад
Вы используете алюминиевые профили которые сильно гнутся - это тоже снижает усилие- torque Я предсказывал что Вы перейдёте на покупные актуаторы ещё пол года назад)
@aarondcmedia9585
@aarondcmedia9585 4 года назад
66.7% Positive feedback for an aliexpress store only open since Oct 2019 seems kinda poor?
@charlesohams9518
@charlesohams9518 2 года назад
Great content, I find your videos very informative, however could you look at the feasibility of using clearpath servo motors for robotic arm projects?
@DANSSEA
@DANSSEA 4 года назад
В последние дни тоже начал плотно интересоваться четвероногими...Особенно как увидел видео, ссылку не поставлю-чтобы не реклама :-) - Unitree Robotics. Давно хотел что то подобное собрать. Понятно, что работы там-просто немеряно...Но хочется все равно! Видел люди собирают даже на ардуинах, резво бегающие. А вот насчет больших роботов все было интересно-какие движки они берут...
@Nill757
@Nill757 4 года назад
Well done.
@johannscharfetter6686
@johannscharfetter6686 3 года назад
In minute 4:37 you mention that you implemented two termination resistor on the cable that goes from the CanBus shield to the RMD X8 Motor. Please can specify which termination resistors you used and in which sequence?
@esmirno1
@esmirno1 3 года назад
Можно боковой индикатор использовать типа ИРБ на стойке - тогда не только люфт но и повторяемость проверить хотя наверное она равна люфту. У куки KR agilus повторяемость 3 сотки по заявлениям на всем достижимом диапазоне перемещений, а тут если люфты милиметровые это как бы хуже в тысячу раз. Да и цена на али за 20К уж сильно кусается :).
@Skyentific
@Skyentific 3 года назад
Цена куки гораздо сильнее кусается. :))))
@maheshpatel2005
@maheshpatel2005 2 года назад
Great...
@devanshusharma1879
@devanshusharma1879 11 месяцев назад
"Great video! I'm curious about the actuator's flexibility. Can you also adjust the stiffness and drag values on this actuator, similar to what's possible with the Mini Cheetah clone actuator?"
@772777777777777
@772777777777777 4 года назад
Great channel... Love your explaination and your details... i would lo e to build 7 dof to hold a industral router. Question have you ever looked at clear path servo motors?
@Skyentific
@Skyentific 4 года назад
Thank you. Theoretically, if you would like to make serial robot, clearpath servos are a little bit heavy for its torque. You would need to use a large reduction gearbox. Personally, I never used these servos.
@772777777777777
@772777777777777 4 года назад
@@Skyentific i was thinking of using a 5kw atc spindleon the end of the arm.... aprox 20kg....which means redesigning your fram i would..love to 3d print a mold of it..would require redesigned heavy duty supports and thicker bracing support and cast the peices from carbon fiber shell filled mineral cast expoxy....yes...much heavy industrial robotic arm..using clearpath servo and..harmonic gears... Where can find a free 3d cad model of this or simular 7 dom arm
@user-re5oj9bp1f
@user-re5oj9bp1f Год назад
nice video really like it,,, is it necessarily to use termination resistor ??!! and why??
@katerinarostova4312
@katerinarostova4312 4 года назад
wow, unboxing...
@zhaoyuangu4621
@zhaoyuangu4621 4 года назад
Hi, this is a really nice video. Thanks for uploading. I wonder if you have tested the peak current it takes to reach the 31+ Nm? Thanks again!
@derickghoda1947
@derickghoda1947 2 года назад
Great review. I would like to know if this motor has an internal brake that can prevent it from turning when there is no power to the motor. Just like in an industrial robot where the robot arm segments stay in place when the robot is turned off.
@alexxxalexxx5075
@alexxxalexxx5075 4 года назад
Best English I've ever heard 😂👍👏👏👏 Привет from KZ 🇰🇿🤘
@christianmackin9465
@christianmackin9465 3 года назад
Great video! It inspired me to buy the RMD-X8. Would it be possible for you to publish the code you wrote to test the actuator?
@RinksRides
@RinksRides 4 года назад
only thing fancy here is the prices.. $460 for motor and controller?!
@cheneychen1247
@cheneychen1247 4 года назад
Motor + Planetary reducer + Motor driver + Encoder , Worth buying !
@dynamica1
@dynamica1 4 года назад
Cool socks)))
@Skyentific
@Skyentific 4 года назад
Thanks! :)
@johannscharfetter6686
@johannscharfetter6686 3 года назад
Thank you for this video. It helps me a lot. Please could you explain how information from the motor can be read on the Mac. Which program is needed for that? It is shown on the video at 7 min 28 sec.
@janoskeresztes8323
@janoskeresztes8323 3 года назад
Hi, thank you for sharing this video. I just bought one. Could you also share your Ardunio code you used for your demo? Thanks
@EXplorer1.6180
@EXplorer1.6180 4 года назад
I got a 285 N.m actuator with 150 rpm. Mass 4kg
@Skyentific
@Skyentific 3 года назад
Good for you! This is impressive!
@csi9915
@csi9915 3 года назад
may I know how to diy the CAN connect cable like you do?
@Tobbera
@Tobbera Год назад
Great review! Could I ask you if you have any idea about the backdrive reistance? With this I means what effort (Nm) is needed to manually drive the output shaft when the actuator is turned off. In my project it is very important that the device can be manually overrriden without adding too much resistance. Thank you in advance!
@MekazaBitrusty
@MekazaBitrusty 4 года назад
These motors sure aren’t cheap. No wonder the mini dog is so expensive.
@user-bp4qz5ps8m
@user-bp4qz5ps8m 2 года назад
Welcome. I have a question about the universal robot arm, how is the mechanism of moving the arm by hand and then storing the movement, explain this please
@user-sw2ed2xz8i
@user-sw2ed2xz8i 3 года назад
Can someone tell me why my servo is flashing?
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