2 ms·

This looks amazing, but it isn't 3 full degrees of freedom is it? I feel like there are some orientations that wouldn't be possible with this, but I am really n

This looks amazing, but it isn't 3 full degrees of freedom is it? I feel like there are some orientations that wouldn't be possible with this, but I am really not sure.

chrisBob 5y ago
The paper (Open Access!!!) https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9415699 https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=941... Says that I am wrong, and I am willing to trust their analysis.
- aj7 5y ago
  Here: https://www.researchgate.net/publication/351357682_ABENICS_Active_Ball_Joint_Mechanism_With_Three-DoF_Based_on_Spherical_Gear_Meshings/fulltext/60afd69492851c168e47ed2b/ABENICS-Active-Ball-Joint-Mechanism-With-Three-DoF-Based-on-Spherical-Gear-Meshings.pdf?origin=publication_detail https://www.researchgate.net/publication/351357682_ABENICS_A...
- R0b0t1 5y ago
  The retaining cusp does impose some restrictions.
  - rtkwe 5y ago
    Those aren't usually counted in enumerating the degrees of freedom of a robot arm unless it's a significant restriction.
baybal2 5y ago
You can make a spherical induction motor