← Paper explainers

RA-L 2026 · 1:40 narrated walkthrough

Learning Whole-Body Humanoid Locomotion via Motion Generation and Motion Tracking

Zewei Zhang, Kehan Wen, Michael Xu, Junzhe He, Chenhao Li, Takahiro Miki, Clemens Schwarke, Chong Zhang, Xue Bin Peng, Marco Hutter

Human motion provides the skills; terrain-aware generation and tracking adapt their execution to the robot’s surroundings.

1:40 · Narrated · Sound onExplainer by Takahiro Miki
Open the original interactive walkthrough and transcript ↗

This video is embedded from Takahiro Miki’s paper explainer. The original page includes interactive animations, a transcript, and a detailed walkthrough with the paper’s figures.

Reading the results

The quoted 23.0% and 96.2% success rates refer to the 80 cm box with 0° obstacle yaw in simulation, using 500 instances per setting. Hardware footage demonstrates deployment on the Unitree G1; the paper reports those demonstrations qualitatively.

The key ideas

01

Generate the reference

A diffusion model uses terrain, a target direction, and recent robot states to generate short-horizon motion references from retargeted human demonstrations.

02

Execute and adapt

An RL-trained tracker follows the references using proprioception and terrain observations. It is fine-tuned in closed loop with the generator frozen, improving execution when generated references are imperfect.

03

Read the evidence

The fixed-reference comparison is a simulation result in Table III of the revised paper. Hardware experiments demonstrate box climbing, hurdle traversal, stairs, and mixed terrain with perception and computation onboard.