Author

Yan Feng

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Preprint Oct 2026

TS-WAM: Temporal Latent Actions and World-Action Coupling for Vision-Language Robot Control

Many vision-language-action policies rely on action-labeled robot demonstrations and lack an explicit mechanism for predicting future visual states. These limitations hinder learning from action-free videos and can encourage overfitting to demonstration conditions, weakening generalization and robustness. We present TS...

Meng-Hao Yin, Jia-Ju Yin, Xi-Yue Dong et al. · 0 citations

Preprint Sep 2026

VLA-Corrector: Stage-Aware Observable State Understanding for Prompt-Based Closed-Loop Recovery of Vision-Language-Action Policies

Results show that observable visual-proprioceptive-action history is sufficient to infer latent task states and enable practical failure recovery for existing VLA policies, and the proposed approach substantially improves closed-loop reliability under diverse perturbations.

Chang-Nan Song, Bin Qian, Yan Feng et al. · 0 citations