New answers tagged servomotor
3
I can add one more point to RowanP's excellent list: the servo's PID is unreliable, not because of a defect, but because it is mistuned for your application.
Recall that tuning a PID control is arcane, if not entirely a black art. The servo manufacturer tuned the control PID coefficients for some use case, perhaps moving RC aircraft control surfaces. That ...
1
I had a few ideas about what might cause the jitter action you showed in the video. I suggest you'll need to be more specific in the information provided to enable more specific answers.
Idea 1 - Movement Boundaries Conflict
Is the joint trying to move past a physical boundary? When constructing your robot arm for the first time, the servos need to be in a ...
1
tl;dr: use 6 V
Those rascals are rated for 6 volts, not the nominal 7.4 V from 2S LiPos. You could imagine a Shenzhen manufacturer's design/value engineer zealously shaving a penny cost per unit by reducing safety factors and overstressing cheaper components, such that the servos would (mostly) work at 6 V but not necessarily at 7.4 V.
I once tried to run ...
Top 50 recent answers are included