ActProbe
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Related Articles from SNS
ActProbe: Action-Space Probe for Early Failure Detection of Generative Robot Policies
arXiv:2606.08508v1 Announce Type: new Abstract: Generative robot policies fail unpredictably at deployment: they hesitate at critical moments, drift off-task, or commit to unrecoverable actions. Existing online failure detectors either require white-box access to policy internals or add runtime overhead through resampling and observation-side signals. Our empirical analysis shows that emitted action chunks themselves already carry strong predictive signal for impending failures in generative...