Servo Motors, how do they work?
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- เผยแพร่เมื่อ 26 เม.ย. 2024
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Great video.Can you please make a vibration sensor circuit which is very sensitive.
PIA is the honeypot of FBI
What a detailed video, I thoroughly enjoyed it.
Thank you, Sabin. Very pleased to hear you enjoyed it.
@EngineeringMindset I like it alot.
What software(s)do you use
Ok you throughly enjoyed it, did you learn and understand it?😊
I like engineering mindset, Lesics video a lot
The 9g is the actual weight of that little blue servo. 9g is a general size classification. An example of their general torque is about 2.5kg/cm. They range between 9 and like 13g of actual weight. It's considered a mini servo.
The larger servo is a standard servo, again a general classification of it's size and actually has the kg/cm rating printed on it. Standard servos are about 40g of actual weight.
exactly
Those 9g servos are the most widely used due to their compact size, light weight and relatively high torque for their size and weight. They fit easily in almost any size of RC aircraft and cars.
This.
Correct! Except it’s 2.5kg*cm.
True
Correction: 25 kg.cm at 3 cm is 8.33 kgf, not 6.25 kgf. The latter occurs at 4 cm, not 3 cm.
Yup, simple law of any lever that progresses linearly in terms of distance to force 👍
I really needed to point this out before continuing watching.
Glad to see this. I wasted an hour and a half trying to figure out what I was doing wrong in calculating the values. Thanks for the reaffirmation. I feel this comment should be posted as a sticky note at the top.
Good to know I'm not the only one
As a professional servo engineer i enjoyed the video!
To be clear robots and other precision control units do not use these types of motors or pwm signaling, but are still called "servo controlled motors". The feedback driving the control system can be quite different.
What type of motor is used in robotics
@@pujachand1053 stepper motors
@@kaizen9451 Hahaha. No. DC or AC Servo motors with absolute encoders.
Yes, I was wondering what the hell these servos were as they aren't the type that I think of when I think of servo motors. Are these bang-bang type? Most industrial applications utilize rotary encoders on the back of the motor, with a gearbox assembly added to the front.
@@kaizen9451 Lmao not even close.
30+ years ago vacuum was the choice driving energy to move blend, mode, recirculate doors and flow valves in automobiles. Actuators are much the choice of engineers since about the early 90s with a mix of vacuum and actuators being found in various models of vehicles within a manufacturer's lineup. Today, I can't think of a single manufacturer that employs vacuum to carry out these functions within an HVAC. Rear climate control has become so common and is much easier to accomplish using actuators ( a servo with a specific design in mind). They've even got smart enough to make the footprint quite universal within a vehicle so that one actuator design fits the door shaft of all the locations. Current monitoring transistors give these actuators the appearance to learn their range of motion when installed. Truthfully it's the control module that learns this range I am more than reasonably certain.
Recently i've been thinking on how this works, and what do you know? Just in time you published a video about it, i'm All geared up for learning! Thank you, Virtual Professor!
I think you are the first person to spot the all geared up hidden message
Probably due to youtube seeing that you browsed servo shit and then recommending this video. If so, same.
@@hobrin4242 I used to think that way but now I believe they have some weird algorithm to take a calculated guess. This is almost like a magician who knows what you are thinking. Smart guys!!
@@viveksharma9564 I mean it could be that aswell
Haha . Same here.. just completed a project with servo motor.. and got this video
I am astonished, I have never seen such a great video that teaches the working of servo motor in such a great illustrative way. I understood these concepts so easily which I wasn't able to understand before, even going through the hundreds of websites that demonstrate the working of servo.
Thank you. Great job.
In the 1980s 90s servo motors like the larger one you showed were used to rotate an antenna probe in the feedhorn of large satellite dishes in order to change the polarity between horizontal and vertical. This position changed from one satellite to another so you would also adjust the skew to get the best picture.
Had this channel existed during my engineering days, I can only wonder how easy my courses would have become. Such great quality videos, I would have felt guilty by not subscribing.
Keep going 👍👍
People love you more than you think engineeringmindset!!! I feel blessed to have a teacher like you.
I've used them in R/C cars. Really old R/C's used 2. One for steering and one to run a mechanical speed controller for the drive motor. It moved a wiper arm that would make contact with the appropriate section to send voltage to the resistor to control speed (in a few steps, commonly 3) until it got to the full speed section which sent full voltage. They usually had a section for reverse as well. They were replaced by electronic speed controllers, typically MOSFET driven, not sure when but the mechanical ones were rarely used I got started in the mid 90's.
That is fucking cool. Would the wireless reciever also get it in the variable pulse length format to directly power the servo in those old mechanical cars? If so I presume the servo angle might flicker a little bit
Check out NEW resistor video, everything covered! ➡️ th-cam.com/video/DYcLFHgVCn0/w-d-xo.html
See my new MOSFET explained video here➡️: th-cam.com/video/AwRJsze_9m4/w-d-xo.html
I love the way you explained the code. And generally every single video you make. It's one of my main sources of learning this stuff. Thank you for the great content 🙂
This was awesome. I've never seen a better in depth, but at the same time quick and concise explanation about enginneering concepts (including the visuals, be it animations or the real things (like showing the signal in the oscillscope)). I'm in 3rd year of electrical engineering, and this has beeen higly motivating, seeing that each thing that I've studied separatelly (working with oscilloscopes, doing circuits, studying the control system with the feedback (the potentiometer going into the comparator)), all coming together in this device, and understanding it well because I've understood the other concepts these past years. It was absolutely awesome, and all because a very well made video.
Seen our new Potentiometer Explained video? ➡️ th-cam.com/video/Xb-MZMoUtcQ/w-d-xo.html
Honestly this was one of the best servo explanations i have seen 👌💯
I'm glad you guys stared to show us some control using programing. I worked with the Raspberry Pi and the BBC micro:bit, so a tutorial on Arduino usecases from this brilliant channel is perfect.
In aviation industry, Servo motors can be in use of many appliances, like Auto pilot system where it moves aileron, elevator, rudder controlled by AFCS.
i love how you always 𝓸𝓫𝓵𝓲𝓽𝓮𝓻𝓪𝓽𝓮 every component in the intro lol
You answered all my questions that I have for servo as a beginner. Thanks so much!!
I really appreciate the Arduino code explanation in this video. I hope future videos will have the same. Thanks again for a well explained video on electronics. Keep up the good work!
Thanks, most interesting, I used them on my Radio controlled yacht. I sprayed them with hairspray to seal the joints then covered the seal area with Vaseline. During club races my deck came off in an accident and boat sank. The extra sealing saved the servos
Currently a freshman in electrical engineering here. I truly enjoy watching your videos and learning from them! You explain not just the concepts but also how to use and execute them which many other engineering channels fail to do. Thank you for keeping my life interesting.
This principle is used in v.t, c.t heating control valves to vary the hot water output via an actuator. Great video.
Nice video. Many thanks for adding manual english subtitles
I was actually hoping to see you notice and comment this 😅
@@EngineeringMindset Many thanks Paul 😀
I was searching it on ytube.. 10 days ago .. Now it's here....Thanks...
Servos are used in various devices that need precise movement. They're used in every RC aircraft to control the control surfaces as well as retract and deploy the landing gear. They're used in RC cars for steering and in the case of nitro engines they change the gears and control the throttle as well. Open loop servos are sometimes used in model RC submarines to control the ballast tanks. They're used in some configurations of 3D printer bed leveling sensors to deploy and retract the probe. They're also used in walking robots to control each limb.
Good video! I’ve been curious about servos for a while. Thanks for the tutorial!
Loved your demonstration of how a servo works!
Awesome presentation, as usual. This thing inspired me to think of where my breadboard is and to start building again...lol.
Thank you so much for these videos and for all the effort and attention to detail you apply to ready them for upload.
Thank you for this nice this is very helpful I'm a 54 year-old dad trying to get a 11 year old boy into electronics we are both learning in these are really good illustrated videos I appreciate
This helps me more deeply understand my RC hobby more. Thank you!
Thank you for sharing this knowledge and principles in servo motors & controllers…
I plan to build a Robotic Arm mounted in an omnidirectional mobile platform, Mecanum wheels, of course, and Servos for the arm. Great video explaining how Servos work, thanks!
Quality content. Thank you for educating me on this subject. Enjoyed it very much.
You helped me alot i had to make a report about the servo motor and didn't know how it worked now i know thanks alot! It was really detailed and had a lot of information.
Ineresting to see how the technology has advanced. We used synchros and servos in Navy gun mounts and also in mechanical (analog) fire control computers.
Amaizing explanaition of a very interesting topic! Great video 🥰
This Video Is so imformative, thank you very much. This so helps the people who are new to electronics.
Great video. I've been working on a recumbant bike that has a small motor controllede by the motherboard that increases or decreases the tension on the pedals in increments. When you press a number on the control panel it pulls the cable a set amount to adjust the tension. I think this is one of these. My motherboard fried and I'm trying to figure out another way to control it, maybe one of these would work. Thanks, Mike
This ones very important. Thanks for the info dude. I appreciate what you do.
Very well explained, so much going on in a servo, we use them in R/C vehicle...
@3:03 8.33 kg at 3 cm. The product of length and mass should stay the same.
This is so good. Always wondered how this works.
The last few years have started to see servo motors used in model railroad applications to change switch points, raise and lower crossing gates, etc.
Finally i know what a servo motor is!
Thanks
Thank you for so nice and elaborate explanation.
I use servos on all my model aircraft, they have come a long way from when I started in the hobby.... we now have 1000 in/oz of torque on a standard servo!
Some minor mistakes, these RC servos use either a DC motor which uses a single H bridge, or PMSM which uses a three phase inverter. The circuit showcased was a inverter meant for what looks like a 2 phase stepper motor.
Also the control law implemented inside such a servo is usually proportional control, or proportional-integral control. (Showcased is what seems like a bang bang control)
Great video. You can easily explain how it works. Thank you.
Love the way of explaining code for this...
Great video. Minor correction on the circuit graphic - the black ground wire is drawn as going into the 5V lane of the breadboard
No, not yet! But now i know where to start! Thank you so much✨
Thanks for the clear explanation. Thanks for sharing. Keep it up.
This was a nice intro. For a followup, I'd recommend explaining PWM and the duty cycle in more detail, but with that real world implementation. Seeing the pulse width on the scope really drove home the point!
When you remove the gears from servos, and need them for other devices, you can use the injection pin (used by doctors), to fit larger gears onto small motors. Superglue is needed, but the gears will fit perfectly on motors. This technique is needed, when you want to replace a plastic or copper gear to steel one, and the steel gear has larger hole diameter compared to the motor’s axis.
Good for beginners. Animations well made. Great work.
Thankyou, that was cool. I'm looking at creating my own servo for my Venetians which I wish I could just throw away.. But more for the fun of playing around with the potentiometer & creating a personalised response is soo cool... I'm just an Alexa newb but having soo much fun with automation lately & super appreciate you're video.. 🖖
Seen our new Potentiometer Explained video? ➡️ th-cam.com/video/Xb-MZMoUtcQ/w-d-xo.html
i am trying to use the in a small 1:64 rc car, hope to make it work and I will post it. Thank you for explanation @The Engineering Mind! great content
Great video! Easily understand because it was simply explained.
Great servo motor video 0:11 1:58
Thank you for your videos, awesome work, learned me a lot
Thank you! It's amaizing explanaition for servo motor video.
I use them for the rudder on a large model boat very accurate
These are used to control the throttle plate position in the engine on larger standby generators. Bosch is the manufacturer of many of them. It is commonly referred to as a Bosch actuator. The Bosch actuator is a complete assembly with the servo and throttle plate in the housing.
We have a machine at work that uses some servo motors. My bosses want me to learn more about it so this has been a great resource.
Excellently explained. Many thanks.
This is a great explanation. Thank you.
Whoa, neat explanation, honetsly i thougth that servis were more complicated but its a very simple yet clever use of a potentiometer and a comparator
Seen our new Potentiometer Explained video? ➡️ th-cam.com/video/Xb-MZMoUtcQ/w-d-xo.html
thanks for this, you helped me to reassemble a rc car steering servo that i exploded and then taught me a bunch about it at the same time
I just want it to be known this is teaching my son more about basic electronics than any school
Great explanation and demo. Thanks!
Great Explanation👌 🔥🔥
Thank you👍
This was a beautiful Explanation
Bro that intro bit is fking amazing. The arm just melts lol. Your explanations are excellent too
Great video. Really helpful for me. Thank you. Cheers 👍😎🇦🇺
Thank you so much for this educational video, I learned so much.
Anything that demands positioning. In HVAC, you can find some closed loop servos hooked on air dampers, however they often take 0-10V or 2-10V signals instead of pwm.
Now that intro was lit 🔥🔥🔥🔥🔥
Felicitaciones por la calidad de tu video, he entendido todo aún teniendo conocimientos básicos.
Me interesaría que expliques cómo situar a una determinada posición un servo de 360 grados sin tope y que menciones algunos modelos de estos tipos de servo que tienen esta particular característica.
I encounter tons of these on portable gensets to keep the prime mover at a constant speed. Its normally attached to the governor shaft/arm through some springs to maintain a 3600rpm/60hz for 2 pole rotors and 1800rpm/60hz for 4 pole rotors
@@daviddavids2884 maybe not for you but it was for me ha!
love this, thanks. always wonder how to make those robots and toys.
all geared up! fr though this video is a lifesaver thank you sooo much!!!
thank you very much sir for this explanation
Very good explanation and super usefull! Thanks a lot.
TY! This is really helpful! I want to make a 360 solar tracker. My main question is how long do these last? Can one be made that can reliably last 30 years?
Seen our new video on HOW SOLAR PANELS WORK in detail th-cam.com/video/Yxt72aDjFgY/w-d-xo.html
Thank you Sir, good Teaching 👌
This was really helpful as I am planning on making an animatronic using ball bearings ball joints gears servo motors and circuits
Please do more of these videos I'm all geared up to see you do more with electronics. Here's suggestion try the raspberry pi (a single board computer) I have used it but I can't think of any creative ideas.
Great explanation. Thank you.
0:00 Servo motor on fire 🔥
Well explained ❤
FWIW: Back around 2004 I hacked {modified} a 180° rotation servo to allow it to turn continuously 360°. I needed it for a KAP {Kite Aerial Photography} rig I was building.
At the time I either could not acquire a dedicated continuous rotation servo -- they are readily available now -- or I did not have the money to purchase one. {I already had some 180° servos on hand that I could modify.}
I was 43 years old at the time, and it was ALSO when I *_FIRST NOTICED_* I had trouble looking at very small objects very close up. {Trying to see the internal servo bits I was soldering.} Ah, the JOYS of getting OLDER...😊
Thanks for this informative video.
Really enjoyed the explanation and satisfied with the same
Does TH-cam read my mind? Yesterday night i thought about how electric steering works and thought about servo motors and youtube recommend it
The best video watched on servo motor
Your videos are ABSOLUTELY fenomenal, thanks so much.
And on the same note i just wanted to ask, how do you produce the illustrations for your videos?
Im gonna start holding courses for kids and teens to learn electronics and i would love to be able to produce graphics and illustrations even half your quality!
Ith was really helpful
❤
A blend door actuator to me is a form of a servo, heck even a pinball machine have them too! Fly by wire throttle bodies have a servo within it's internal components.
Used in my engineering projects