On October 27, Xiaomi revealed the results of exploration of bionic dexterous hand technology. The Xiaomi robot team carried out complete data collection, analysis and verification based on 1,827 standard operating procedures in the automobile factory. Simulation ablation analysis showed that in the 17 to 21 degrees of freedom range, the average stable grip success rate of bionic dexterous hands increased 15% to 38% compared to 6 to 15 degrees of freedom, of which 21 degrees of freedom increased the most in terms of factory operation coverage and gripping success rate. In this scenario, as the degree of freedom continues to be increased to 23 degrees and above, the increase in grip capacity slows down markedly, and the marginal gain from the degree of freedom of heap decreases. Based on the above conclusions, Xiaomi designed a new 21-degree-of-freedom bionic dexterous hand, using a hybrid drive and tendon rope tension control scheme.

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