Sharpa Robotics @SharpaRobotics observed that teleoperating a dual hand robot offering a combined 63 DoF is a nightmare, even for an experienced operator.
They offer a two fold solution:
- a VLA that handles "in hand rotation" (like the apple in video below), that the operator can trigger using a foot pedal.
- a Mixture-of-Dexterous-Experts that fuses tactile sensing data.
Interestingly enough, the first model handles the apple peeling end-to-end, tactile data does not help here.
However, it greatly enhances the insertion and grasping of the apple.
This research makes use of the SharpaWave 22-DoF dexterous hand, with force and tactile feedback on all ten fingertips.
I find it interesting that is now possible to delegate complex low-level finger coordination tasks to RL-trained atomic skills.
Optimizing such steps that are difficult to reproduce in teleoperation significantly helps overcoming the data acquisition bottleneck.