Event
Unitree G1 motor distribution resembles proportions in the human motor cortex
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A robotics enthusiast mapped the distribution of the Unitree G1's motors using the "motor homunculus" idea and found that it is similar to the proportions of body parts in the human motor cortex, sparking discussion. The Unitree G1 equipped with dexterous hands has a total of 43 motors, of which the fingers account for 14, about one third, comparable to the roughly one quarter to one third share for the hands in the human motor cortex. This is an observation and comparison by an individual author, not a research conclusion released by the company.
Report timeline
- Mapping a robot's motors like a motor homunculus: Unitree G1's 43 motors closely resemble the distribution of the cerebral cortex
An author mapped the distribution of motor counts across a robot's body parts in the manner of a motor homunculus, finding that the proportions for each body part are similar to those in the human motor cortex. The Unitree G1, equipped with dexterous hands, has 43 motors in total, with the fingers alone accounting for 14 (about one-third), comparable to the roughly one-quarter to one-third share the hands occupy in the human motor cortex.
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