Servo Motor, what's inside?
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Date: 2023-11-17
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Comments and reviews: 18
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When I was a high school boy, I used to build remote control airplanes. In these aircraft, servos are used to move the plane's control surfaces. I was always fascinated that such a small motor could generate such enormous torque. Unless you have a very strong grip, you literally could not stop the little servo's rotation (and you might hurt yourself trying. I've always wondered what the engineering was behind such enormous torque. THANK YOU for explaining it in such intuitive detail!
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When I was a high school boy, I used to build remote control airplanes. In these aircraft, servos are used to move the plane's control surfaces. I was always fascinated that such a small motor could generate such enormous torque. Unless you have a very strong grip, you literally could not stop the little servo's rotation (and you might hurt yourself trying. I've always wondered what the engineering was behind such enormous torque. THANK YOU for explaining it in such intuitive detail!
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john
My new woodturning lathe uses a two horsepower Servo motor. There's a spinning magnet mounted in the headstock that can detect whether it's slowed down within one millisecond and call for more power from the motor. There is a 300% override capacity for short bursts of speed. An example would be turning a wood bowl and hitting a knot in the wood. The motor can detect the harder knot and calls for more power. It's a pretty slick system.
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My new woodturning lathe uses a two horsepower Servo motor. There's a spinning magnet mounted in the headstock that can detect whether it's slowed down within one millisecond and call for more power from the motor. There is a 300% override capacity for short bursts of speed. An example would be turning a wood bowl and hitting a knot in the wood. The motor can detect the harder knot and calls for more power. It's a pretty slick system.
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blitzblutz
I'll tell you exactly where I've seen this and what I'm fixing right now! It is on the Bowflex Max series of exercise machines. The servo motors are always giving out on these models. More correctly, I think it is the electronic side and not the motor or the gears which are having issues. Not sure how to fix this without replacing the whole unit. Bowflex keeps these motors at $20. 00 because of the ongoing issues.
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I'll tell you exactly where I've seen this and what I'm fixing right now! It is on the Bowflex Max series of exercise machines. The servo motors are always giving out on these models. More correctly, I think it is the electronic side and not the motor or the gears which are having issues. Not sure how to fix this without replacing the whole unit. Bowflex keeps these motors at $20. 00 because of the ongoing issues.
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Mike
We had some servos a little big bigger. But basically the same. And they operated small hydraulic spool-valves that ported hydraulic oil to a large ram that operated the main steam valves for a 5000 hp turbine-generator unit. Was always a little freaky that we could twist this little knob in the control room and it moved large valves to generate MWs of electricity.
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We had some servos a little big bigger. But basically the same. And they operated small hydraulic spool-valves that ported hydraulic oil to a large ram that operated the main steam valves for a 5000 hp turbine-generator unit. Was always a little freaky that we could twist this little knob in the control room and it moved large valves to generate MWs of electricity.
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mikeportjogger1
We use them on our model steam engines to control the regulator and reversing gear. They are also used to control a whistle or cylinder drain-cocks and anything else someones ingenuity can think of. I have one controlling the crane on a crane tank engine.
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We use them on our model steam engines to control the regulator and reversing gear. They are also used to control a whistle or cylinder drain-cocks and anything else someones ingenuity can think of. I have one controlling the crane on a crane tank engine.
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Haploanddogs
This is an older style servo. Most new servos now will use a digital control loop. Meaning their controller is a micro computer running a PID closed loop control system.
Less overshoot.
A traditional servo like this is a proportional only controller.
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This is an older style servo. Most new servos now will use a digital control loop. Meaning their controller is a micro computer running a PID closed loop control system.
Less overshoot.
A traditional servo like this is a proportional only controller.
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FrostPl4sma
I encounter servo motors on a daily basis. Im an industrial maintenance technician for a plastic company. We use servo motors (quite larger than the example) in most of our machines to control movement of materials and movement of machine components.
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I encounter servo motors on a daily basis. Im an industrial maintenance technician for a plastic company. We use servo motors (quite larger than the example) in most of our machines to control movement of materials and movement of machine components.
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Kenneth
To answer your question, late 70's in VoTech school (high school. Then as a AT Metrology USN (AIMD 670) calibrating aviation electronics/equipment test equipment using standard synchro decade boxes etc. Currently RC stuff and projects.
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To answer your question, late 70's in VoTech school (high school. Then as a AT Metrology USN (AIMD 670) calibrating aviation electronics/equipment test equipment using standard synchro decade boxes etc. Currently RC stuff and projects.
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Scott
Most commonly I'll use servos in radio controlled models. rc planes, rc helicopters and rc cars. I am looking at getting into arduino circuitry and the different uses and probably will see what I can build using servos with that.
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Most commonly I'll use servos in radio controlled models. rc planes, rc helicopters and rc cars. I am looking at getting into arduino circuitry and the different uses and probably will see what I can build using servos with that.
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Mortimer
Most of these videos are about things I should know. But watching them often exposes gaps in my knowledge. Like I knew that a servo is a gear motor with some fancy controls, but I didn't know just how they work.
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Most of these videos are about things I should know. But watching them often exposes gaps in my knowledge. Like I knew that a servo is a gear motor with some fancy controls, but I didn't know just how they work.
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NICk
PROFICIENT The Engineering Mindset
My teacher
Tutorial brilliant thank you very much helpful information video. Take care
PROFICIENT The Engineering Mindset
From Nick Ayivor from London England UK
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PROFICIENT The Engineering Mindset
My teacher
Tutorial brilliant thank you very much helpful information video. Take care
PROFICIENT The Engineering Mindset
From Nick Ayivor from London England UK
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Samer
I've seen one when my brother bought an ardiono (of sort) beginners set.
I asked him about this and we had a light argument and he said that I seem to not know how a servo motor works.
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I've seen one when my brother bought an ardiono (of sort) beginners set.
I asked him about this and we had a light argument and he said that I seem to not know how a servo motor works.
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REDOX
Great Vedio as always! Can we get a vedio explaining lab bench power supplies, how to make the most out of them, and what features to look for when buying one? Thanks a bunch!
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Great Vedio as always! Can we get a vedio explaining lab bench power supplies, how to make the most out of them, and what features to look for when buying one? Thanks a bunch!
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Jack
As always very interesting I was wondering if you would do a video on how large ships distribute the power throughout their vessel. food for thought
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As always very interesting I was wondering if you would do a video on how large ships distribute the power throughout their vessel. food for thought
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DrabberFrog
I use them in my rc planes. The servo arms move pushrods which move the control horns that move the control surfaces.
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I use them in my rc planes. The servo arms move pushrods which move the control horns that move the control surfaces.
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Cougar
I've been using servos like these shown for years in RC aircraft, but they're also used in RC cars and boats.
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I've been using servos like these shown for years in RC aircraft, but they're also used in RC cars and boats.
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Raptor
Servos are used mostly in robotic arms, the more servos we use, the more degrees of freedom we can get
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Servos are used mostly in robotic arms, the more servos we use, the more degrees of freedom we can get
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RAV3N
I have 100's of these. I use them on my R/C planes for the control surfaces and R/C cars for steering.
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I have 100's of these. I use them on my R/C planes for the control surfaces and R/C cars for steering.
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