Streaming Failure Forecasting: VLA Failure Monitors That Keep Learning After Deployment
Overview
This research presents Streaming Failure Forecasting (SFF), a method for vision-language-action (VLA) policies that maintains failure monitoring accuracy after deployment by refitting only the final linear layer of its network using success/failure labels from each episode. Unlike traditional approaches that freeze monitors offline, SFF adapts to unannounced task switches and policy updates on real SO-101 arms and in simulation, ranking failures better than frozen or reset-based baselines while operating at 2.18 ms per call on a Jetson CPU core.
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- arXiv Robotics — research abstractsSignalStreaming Failure Forecasting: VLA Failure Monitors That Keep Learning After Deployment
This research presents Streaming Failure Forecasting (SFF), a method for vision-language-action (VLA) policies that maintains failure monitoring accuracy after deployment by refitting only the final linear layer of its network using success/failure labels from each episode. Unlike traditional approaches that freeze monitors offline, SFF adapts to unannounced task switches and policy updates on real SO-101 arms and in simulation, ranking failures better than frozen or reset-based baselines while operating at 2.18 ms per call on a Jetson CPU core.
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