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Vision-Language-Action (VLA) models have shown remarkable potential in visuomotor control and instruction comprehension through end-to-end learning processes. However, current VLA models face significant challenges: they are slow during…

Vision-language-action (VLA) models represent a promising direction for developing general-purpose robotic systems, demonstrating the ability to combine visual understanding, language comprehension, and action generation. However,…

Robotics · Computer Science 2024-12-10 Pranav Guruprasad , Harshvardhan Sikka , Jaewoo Song , Yangyue Wang , Paul Pu Liang

Vision-Language-Action (VLA) models offer a compelling framework for tackling complex robotic manipulation tasks, but they are often expensive to train. In this paper, we propose a novel VLA approach that leverages the competitive…

Robotics · Computer Science 2025-12-23 Max Argus , Jelena Bratulic , Houman Masnavi , Maxim Velikanov , Nick Heppert , Abhinav Valada , Thomas Brox

Vision-Language-Action (VLA) models have significantly advanced the capabilities of robotic agents in executing diverse tasks; however, they still face challenges in contact-rich manipulation scenarios that require precise physical…

Robotics · Computer Science 2026-05-19 Xiaoqi Li , Muhe Cai , Jiadong Xu , Juan Zhu , Hongwei Fan , Yan Shen , Guangrui Ren , Hao Dong

Vision-Language-Action (VLA) models show promise for robotic control, yet performance in complex household environments remains sub-optimal. Mobile manipulation requires reasoning about global scene layout, fine-grained geometry, and…

Robotics · Computer Science 2026-03-25 Ruisen Tu , Arth Shukla , Sohyun Yoo , Xuanlin Li , Junxi Li , Jianwen Xie , Hao Su , Zhuowen Tu

To operate effectively in the real world, robots should integrate multimodal reasoning with precise action generation. However, existing vision-language-action (VLA) models often sacrifice one for the other, narrow their abilities to…

Robotics · Computer Science 2026-03-04 Shuai Yang , Hao Li , Bin Wang , Yilun Chen , Yang Tian , Tai Wang , Hanqing Wang , Feng Zhao , Yiyi Liao , Jiangmiao Pang

Vision-language-action models (VLAs) have become increasingly popular in robot manipulation for their end-to-end design and remarkable performance. However, existing VLAs rely heavily on vision-language models (VLMs) that only support…

Robotics · Computer Science 2025-02-24 Wei Zhao , Pengxiang Ding , Min Zhang , Zhefei Gong , Shuanghao Bai , Han Zhao , Donglin Wang

Vision-Language-Action (VLA) models have demonstrated remarkable capabilities and generalization in embodied manipulation. However, their decision-making relies on a fast, instinctive process that lacks deliberation. This strategy often…

Robotics · Computer Science 2026-05-29 Wenhao Li , Xiu Su , Yichao Cao , Hongyan Xu , Xiaobo Xia , Shan You , Yi Chen , Chang Xu

Vision-Language-Action (VLA) models show strong potential for general-purpose robotic manipulation, yet their closed-loop reliability often degrades under local deployment conditions. Existing evaluations typically treat test episodes as…

Robotics · Computer Science 2026-05-13 Jianchao Zhao , Huoren Yang , Yusong Hu , Yuyang Gao , Qiguan Ou , Cong Wan , SongLin Dong , Zhiheng Ma , Yihong Gong

Reinforcement learning (RL) has emerged as a critical paradigm for post-training Vision-Language-Action (VLA) models, enabling embodied agents to adapt and improve through environmental interaction. However, existing RL frameworks for VLAs…

Online reinforcement learning in complex tasks is time-consuming, as massive interaction steps are needed to learn the optimal Q-function.Vision-language action (VLA) policies represent a promising direction for solving diverse tasks;…

Machine Learning · Computer Science 2025-09-26 Xiefeng Wu , Jing Zhao , Shu Zhang , Mingyu Hu

Vision-Language-Action (VLA) models have emerged as a powerful paradigm for robotic manipulation. However, existing post-training methods face a dilemma between stability and exploration: Supervised Fine-Tuning (SFT) is constrained by…

Robotics · Computer Science 2026-03-17 Jiashun Li , Xiaoyu Shi , Hong Xie , Mingsheng Shang , Yun Lu

Pretrained on large-scale and diverse datasets, VLA models demonstrate strong generalization and adaptability as general-purpose robotic policies. However, Supervised Fine-Tuning (SFT), which serves as the primary mechanism for adapting…

Robotics · Computer Science 2026-05-19 Yuan Liu , Haoran Li , Shuai Tian , Yuxing Qin , Yuhui Chen , Yupeng Zheng , Yongzhen Huang , Dongbin Zhao

Recent advances in vision-language-action (VLA) models have motivated the extension of their capabilities to embodied settings, where reinforcement learning (RL) offers a principled way to optimize task success through interaction. However,…

Many robotic manipulation tasks require sensing and responding to force signals such as torque to assess whether the task has been successfully completed and to enable closed-loop control. However, current Vision-Language-Action (VLA)…

Robotics · Computer Science 2025-09-10 Zongzheng Zhang , Haobo Xu , Zhuo Yang , Chenghao Yue , Zehao Lin , Huan-ang Gao , Ziwei Wang , Hao Zhao

Vision-language-action (VLA) models provide a promising foundation for general-purpose robotics. However, their successful deployment in real-world scenarios requires the ability to continually acquire new skills while retaining previously…

Robotics · Computer Science 2026-05-27 Jiarun Zhu , Yijun Hong , Xiaoquan Sun , Zetian Xu , Mingqi Yuan , Zhiyong Wang , Wenjun Zeng , Jiayu Chen

Vision-Language-Action (VLA) models have demonstrated remarkable generalization capabilities in robotic manipulation tasks, yet their substantial computational overhead remains a critical obstacle to real-world deployment. Improving…

Robotics · Computer Science 2026-02-03 Yujie Wei , Jiahan Fan , Jiyu Guo , Ruichen Zhen , Rui Shao , Xiu Su , Zeke Xie , Shuo Yang

While vision-language models have advanced significantly, their application in language-conditioned robotic manipulation is still underexplored, especially for contact-rich tasks that extend beyond visually dominant pick-and-place…

Robotics · Computer Science 2025-05-15 Chaofan Zhang , Peng Hao , Xiaoge Cao , Xiaoshuai Hao , Shaowei Cui , Shuo Wang

Vision-Language-Action (VLA) models have emerged as a popular paradigm for learning robot manipulation policies that can follow language instructions and generalize to novel scenarios. Recent works have begun to explore the incorporation of…

Robots deployed in dynamic environments must be able to not only follow diverse language instructions but flexibly adapt when user intent changes mid-execution. While recent Vision-Language-Action (VLA) models have advanced multi-task…

Robotics · Computer Science 2025-06-05 Meng Li , Zhen Zhao , Zhengping Che , Fei Liao , Kun Wu , Zhiyuan Xu , Pei Ren , Zhao Jin , Ning Liu , Jian Tang