Savox SB2272MG Digital Servo: Precise Enough for Sinusoidal Motion?

  • Thread starter Thread starter pyroknife
  • Start date Start date
  • Tags Tags
    Motor Servo
Click For Summary

Discussion Overview

The discussion revolves around the suitability of the Savox SB2272MG digital servo motor for generating sinusoidal motion, specifically a pitching motion from 0 to 60 degrees and back. Participants explore the precision of the servo in achieving smooth motion that closely mimics programmed commands, as well as the control methods and hardware used.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions the precision of the Savox servo for sinusoidal motion and seeks input on its capabilities.
  • Another participant asserts that there is nothing inherent in the servo that would prevent it from creating sinusoidal motion, prompting a clarification on what is meant by precision.
  • A participant mentions using an Arduino for control and shares past experiences with a different motor, noting issues with smoothness and sinusoidal appearance in the motion.
  • There is a query about the identification of the 0-degree position on the servo, indicating a need for clarity on setup.
  • A later reply raises the importance of the refresh rate of the controller and the speed at which the motor was driven, suggesting that previous issues may stem from hardware limitations rather than the servo itself.

Areas of Agreement / Disagreement

Participants express differing views on the precision and performance of the servo for the intended motion, with no consensus reached on whether the servo will meet the user's expectations for smoothness and sinusoidal behavior.

Contextual Notes

Limitations include potential dependencies on the refresh rate of the controller and the specific driving conditions of the motor, which remain unresolved in the discussion.

Who May Find This Useful

Individuals interested in servo motor applications, particularly in robotics or motion control, may find this discussion relevant.

pyroknife
Messages
611
Reaction score
4
I bought a Savox servo motor (http://www.savoxusa.com/Savox_SB2272MG_Digital_Servo_p/savsb2272mg.htm)

I'm planning on using the motor to generate a pitching motion sinusoidally from 0 to 60 degrees back to 0 and so on...

Do you guys think this motor is precise enough to generate the sinsusoidal motion?
 
Engineering news on Phys.org
Nothing about that servo prevents it from creating a sinusoidal motion. When you say precision what precision are you looking for? What do you plan to control it with?
 
I will be controlling it with an Arduino. On a previous motor I used (which was more expensive than this one), I used a high speed camera to videotape the motion and noticed that it was not smooth and didn't look very sinusoidal like. So by precision, I mean the motion is smooth and mimics the code very closely.

Also, does anyone know where 0 degrees is on a servo?
 
What was the refresh rate for the controller and how fast were you driving the motor? It could be you were driving the servo beyond the capabilities of the hardware you were using...
 

Similar threads

  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 5 ·
Replies
5
Views
3K
Replies
1
Views
4K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 4 ·
Replies
4
Views
4K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 5 ·
Replies
5
Views
4K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 19 ·
Replies
19
Views
4K