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Robotics

Handroid: Bridging Dexterous Hand and Humanoid

Ruogu Li, Chenyang Ma, Sikai Li, Zhenyu Wei, Yunchao Yao, Haochen Shi, Mingyu Ding, C. Karen Liu, Shuran Song

Featured July 28, 2026

Original Paper

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Simply

A clever robot called Handroid can transform from a super-skilled hand into a walking, interacting humanoid, using the same parts and smart software to do many different jobs.

In depth
The paper introduces Handroid, a novel robot capable of reconfiguring its physical form between a dexterous hand and a humanoid using a single 27-DoF electromechanical system. This dual-embodiment design allows the platform to perform both fine-grained manipulation and whole-body locomotion, supported by a unified control and learning framework that adapts to the changing morphology. The core innovation lies in reusing the same articulated modules for different functional roles, enabling a compact and versatile robotic system.

Key Takeaways

  • 1
    Handroid is a dual-embodiment robot that reconfigures between a 20-DoF dexterous hand and a 25-DoF humanoid using a shared 27-DoF electromechanical system.
  • 2
    A unified control and learning stack supports diverse tasks like teleoperation, reinforcement learning for manipulation and locomotion, and motion authoring across both morphologies.
  • 3
    The platform demonstrates morphology reuse and cross-embodiment task execution, including a long-horizon task involving switching, locomotion, docking, and dexterous pick-and-place.

Conceptual Flow

HIGH LEVEL
1
Handroid's Reconfigurable Design

This robot can change its body from a hand to a walking person by moving its parts around, using the same motors for both.

Robot Parts
Reconfigure
Skilled Hand
Walking Robot
2
Versatile Capabilities Across Forms

The robot can do many different tasks, like picking up tiny things as a hand or walking and interacting as a person, all with one system.

Hand Tasks
Humanoid Tasks
Perform with Shared System
Precise Grasping
Stable Walking
Complex Actions