Manipulators of various configurations
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- Joined: Wed Oct 02, 2019 4:41 pm
What is the accuracy/repeatability of various arms?
- Site Admin
- Posts: 27
- Joined: Tue Oct 01, 2019 2:50 pm
Repeatability and accuracy of an arm will depend on the exact configuration, payload, and controller tuning. For the typical tasks we’ve tested we see repeatability of around +/- 2-3 millimeters and accuracy of around +/- 1-2 centimeters.
Shorter arms and arms with fewer DoF will tend to have better accuracy and repeatability. Arms and systems that are tuned more for compliance and ‘soft’ interaction with the world will tend to be less repeatable than ones that are tuned to be more ‘stiff’ for good position control.