collaborators

10 papers

cs.AI2026

Graph-Enhanced Policy Optimization in LLM Agent Training

Jiazhen Yuan, Zhike Gong, Jinquan Hang +2

Multi-step LLM agents in interactive environments represent a crucial step toward long-horizon decision-making. To train such agents, group-based reinforcement learning is widely a…

cs.RO2026

MMaDA-VLA: Large Diffusion Vision-Language-Action Model with Unified Multi-Modal Instruction and Generation

Yang Liu, Pengxiang Ding, Tengyue Jiang +10

Vision-Language-Action (VLA) models map visual observations and natural-language instructions to robot actions; however, hierarchical and autoregressive paradigms often incur archi…

cs.RO2026

PD-VLA: Accelerating Vision-Language-Action Model Integrated with Action Chunking via Parallel Decoding

Wenxuan Song, Jiayi Chen, Pengxiang Ding +9

Vision-Language-Action (VLA) models demonstrate remarkable potential for generalizable robotic manipulation. The performance of VLA models can be improved by integrating with actio…

cs.RO2025

Towards a Unified Understanding of Robot Manipulation: A Comprehensive Survey

Shuanghao Bai, Wenxuan Song, Jiayi Chen +15

Embodied intelligence has witnessed remarkable progress in recent years, driven by advances in computer vision, natural language processing, and the rise of large-scale multimodal…

cs.RO2025

VLA-Adapter: An Effective Paradigm for Tiny-Scale Vision-Language-Action Model

Yihao Wang, Pengxiang Ding, Lingxiao Li +13

Vision-Language-Action (VLA) models typically bridge the gap between perceptual and action spaces by pre-training a large-scale Vision-Language Model (VLM) on robotic data. While t…

cs.RO2025

CARP: Visuomotor Policy Learning via Coarse-to-Fine Autoregressive Prediction

Zhefei Gong, Pengxiang Ding, Shangke Lyu +5

In robotic visuomotor policy learning, diffusion-based models have achieved significant success in improving the accuracy of action trajectory generation compared to traditional au…