Zimu Han

Zimu Han is an undergraduate student at the Institute of Artificial Intelligence and Robotics (IAIR) at Xi'an Jiaotong University, majoring in Artificial Intelligence, and a research intern at the Center on Frontiers of Computing Studies (CFCS) at Peking University. His research focuses on robotic manipulation, vision-language-action models, and imitation learning. He is known for his work on HIL-UMI, a framework for robot-free human-in-the-loop post-training of VLA models, and HiPolicy, a hierarchical multi-frequency action chunking framework for policy learning.