So I want to make a simple robotic arm for a summer project, with a 40cm lever arm with the same number joints as a human arm from shoulder to wrist. I'm going to use several hobby servos, I'm not sure there are any better motors used for arms?
The problems I'm going over right now are calculating the torque, and reducing servo speed.
I know how to calculate static torque, but there's no acceleration given in servo speeds, so how do you guys calculate the torque when the arm has to suddenly stop? Use a good estimate?
For servo speed reduction, is software or gears a better route? I've tried using software in the past to slow down servos, but they ended up jerky. Although, I didn't spend long trying. If I use gears to reduce the speed, say 2:1 ratio, I'm guessing it will also limit my range of motion for my servos as well?
The problems I'm going over right now are calculating the torque, and reducing servo speed.
I know how to calculate static torque, but there's no acceleration given in servo speeds, so how do you guys calculate the torque when the arm has to suddenly stop? Use a good estimate?
For servo speed reduction, is software or gears a better route? I've tried using software in the past to slow down servos, but they ended up jerky. Although, I didn't spend long trying. If I use gears to reduce the speed, say 2:1 ratio, I'm guessing it will also limit my range of motion for my servos as well?
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