CMU's Pixel: wheeled humanoid you can teach by wearing a sensorized rig
lukas_m_ziegler · x · 2026-11-07
A CMU team released Pixel, a low-cost wheeled humanoid built on co-design. Household robots usually involve four separate teams — hardware, data collection, control, learning — and mismatches between them quietly cap system performance.
Pixel aligns all four: human-aligned kinematics and compliant grippers, with cameras and gripper geometry matched to a 3D-printed sensorized rig a person wears to collect demonstrations that transfer cleanly to the robot. The policy is hierarchical: a high-level vision-language model plans subtasks and talks to the user, while a low-level flow-matching policy turns head and wrist views into whole-body actions.
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