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Xiao Liang

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Preprint Oct 2026

RoboIRS: Inference-Time Internal Representation Steering for Generalist Robot Policies

Results show that directly steering internal robot-policy representations can improve the performance of robot policies at inference time and show that directly steering internal robot-policy representations can improve the performance of robot policies at inference time.

Jiu-Zhou Lei, Chang Liu, Da-You Li et al. · 0 citations
Preprint Aug 2026

NeurRAFT: Robot Motion Planning via Anchor-Level Flow Matching with Clearance-Aware Preference Tuning

This work presents NeurRAFT, a generative planning framework based on anchor-level flow matching and clearance-aware preference tuning that operates on compact anchor waypoints, and directly reshape the pretrained planner's distribution toward safer solutions without augmenting inference.

Sibo Tian, Chang Liu, Ming-Hui Zheng et al. · 0 citations
#artificial intelligence Preprint Aug 2026

PHR-VLA: Planning Horizon Reasoning for Vision-Language-Action Models

PHR-VLA introduces a lightweight auxiliary future head that, during training, aligns the VLA's internal representations with latent dynamics extracted from future observations, demonstrating that privileged latent dynamics alignment provides an effective training signal for improving anticipatory reasoning in VLA polic...

Davood Soleymanzadeh, Kai-Di Zhang, Zhi-Yuan Zhang et al. · 2 citations

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