2 papers
cs.RO2026
SparkVLA: Stop-Aware Hierarchical VLA with Adaptive Action Chunking for Long-Horizon Manipulation
Xunyao Lei, Renjun Wu, Tianlin Huo +1
At every re-observation point in a hierarchical Vision-Language-Action (VLA) system, two interface decisions must be made: when to terminate the current subtask and how far to exec…
cs.RO2026
ViTaR: Visuo-Tactile Residual Adaptation for Foundation VLA Manipulation
Yi Wang, Renjun Wu, Jinyan Liu +1
As Vision-Language-Action (VLA) models scale toward real-world deployment, contact-rich manipulation exposes a critical blind spot: these policies encode broad visual-semantic prio…