3 papers
cs.RO2026
ContactGuard: Pre-Contact Execution Monitoring with Action-Conditioned Latent World Models
Gehan Zheng, Matthew Johnson-Roberson, Weiming Zhi
Contact-rich manipulation failures are often detected only after the robot has committed to contact. This is especially limiting in wrist-camera setups: close gripper--object views…
cs.RO2026
BoxTwin: Learning Elastoplastic Articulated Object Dynamics from Videos
Heng Zhang, Gehan Zheng, Kaifeng Zhang +6
Digital twins enable robots to anticipate and adapt to physical interactions, but existing models struggle with elastoplastic articulated objects (EAOs) that exhibit nonlinear elas…
cs.RO2026
Rewind-IL: Online Failure Detection and State Respawning for Imitation Learning
Gehan Zheng, Sanjay Seenivasan, Matthew Johnson-Roberson +1
Imitation learning has enabled robots to acquire complex visuomotor manipulation skills from demonstrations, but deployment failures remain a major obstacle, especially for long-ho…