How Many Robot Demonstrations Do You Need to Train a Policy?
There is no universal episode count for robot policy training. Learn how task, object, environment, embodiment, and failure coverage change the answer.
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Articles
Explore practical guides and perspectives on humanoid robot training data and embodied AI, including collection methods, simulation, evaluation, licensing, hardware, and the datasets shaping modern robot learning.
34 Articles · Page 1 of 3
How to Check Camera and Action Timing in Robot Training Data
A practical way to distinguish image capture, message arrival and robot execution time, with lessons from UMI and checks for demonstration datasets.
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Egocentric Data Collection Devices for Robot Learning: 10 Companies Compared
Compare ten wearable robot-learning capture systems by recorded video, motion and gaze data, export formats, access, pricing, and the tasks they can support.
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Why Robot Grasps Work in Simulation but Fail on Hardware
Check collision geometry, friction mixing, contact settings and controller timing before trusting simulation-generated grasping and assembly data.
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LIBERO vs LIBERO-Plus: What a Robot Policy Score Leaves Out
LIBERO-Plus reveals failures hidden by strong robot benchmark scores. Learn how to test camera shifts, instruction following and new data without leaking the test set.
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MCAP vs LeRobot: What to Keep for Robot Training
Learn when to keep MCAP recordings alongside LeRobot v3 exports, with EgoSuite examples and checks for timing, calibration and action labels.
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LeRobot v3, RLDS, HDF5, and Zarr: How to Choose a Robot Dataset Format
Compare LeRobot v3, RLDS, HDF5, and Zarr for robot datasets, including episode semantics, video, streaming, schema design, and migration.
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I Went Looking for an Open-Source Humanoid Robot
I started with Menlo Research's Asimov 1 and followed the CAD, licences, build guides, and missing files across the open humanoid landscape.
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Egocentric Data Collection Systems for Robot Learning
An evidence-backed guide to research glasses, XR headsets, eye trackers, cameras, motion capture, robotless tools, and full-stack egocentric data platforms.
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Robot Teleoperation Systems for Training Data: What to Compare
A practical comparison of leader–follower arms, XR controllers, whole-body tracking, and robot-free systems for collecting useful robot training data.
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Unitree G1 vs AgiBot X2: Specs, Price, Development Access, and 3D Models
Compare Unitree G1, G1 EDU, AgiBot X2, and X2 Ultra on price, size, DoF, payload, speed, sensing, compute, developer access, and official 3D models.
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The Robotics Data Pyramid: Web, Synthetic, and Real Robot Data
A research-backed guide to how web and human data, synthetic trajectories, and real-robot experience combine to train physical AI systems.
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