arXiv AI By Jianren Wang, Letian Qian, Zikai Wang, Weiwei Wu, Junjie Zong, Abhinav Gupta, Deepak Pathak

BRIDGE: An Open-Source Humanoid Platform via Morphology-Control Co-Design for Physical AI

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The paper introduces BRIDGE, an open‑source 88 cm tall humanoid robot designed through a data‑driven morphology‑control co‑design framework that optimizes the robot’s body shape for human‑like movement. A new metric combining kinematic retargeting fidelity and dynamic tracking performance is proposed to evaluate morphological fidelity, and the framework achieves state‑of‑the‑art results compared to existing humanoids such as Bumi, K1, and Toddlerbot. The resulting platform, released with its control policy and supporting materials, demonstrates superior fidelity in capturing human motion, robust balance, and highly dynamic maneuvers.

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BRIDGE: An Open-Source Humanoid Platform via Morphology-Control Co-Design for Physical AI

The paper presents BRIDGE, an open‑source 88 cm tall humanoid robot designed through a data‑driven morphology‑control co‑design framework that aligns robot shape with human‑like movement. It introduces a new metric combining kinematic retargeting fidelity and dynamic tracking performance to evaluate morphological fidelity, achieving state‑of‑the‑art results against baseline humanoids. The released platform, along with its control policy, demonstrates superior human motion capture, robust balance, and dynamic maneuvers, with supporting videos and code available online.

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