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Bridging the gap between natural language commands and autonomous execution in unstructured environments remains an open challenge for robotics. This requires robots to perceive and reason over the current task scene through multiple…

Robotics · Computer Science 2025-12-23 Jin Wang , Kim Tien Ly , Jacques Cloete , Nikos Tsagarakis , Ioannis Havoutis

Pre-trained vision-language-action (VLA) models offer a promising foundation for generalist robot policies, but often produce brittle behaviors or unsafe failures when deployed zero-shot in out-of-distribution scenarios. We present…

Robotics · Computer Science 2025-11-14 Cyrus Neary , Omar G. Younis , Artur Kuramshin , Ozgur Aslan , Glen Berseth

Robot learning holds tremendous promise to unlock the full potential of flexible, general, and dexterous robot systems, as well as to address some of the deepest questions in artificial intelligence. However, bringing robot learning to the…

Vision-Language-Action (VLA) models trained via imitation learning suffer from significant performance degradation in data-scarce scenarios due to their reliance on large-scale demonstration datasets. Although reinforcement learning…

Robotics · Computer Science 2026-04-28 Junjin Xiao , Yandan Yang , Xinyuan Chang , Ronghan Chen , Feng Xiong , Mu Xu , Wei-Shi Zheng , Qing Zhang

Vision-Language-Action (VLA) models have emerged as a promising paradigm for grounding visual-language understanding into real-world robotic manipulation. However, dexterous manipulation remains challenging for VLA policies due to…

Robotics · Computer Science 2026-05-29 Zhongxi Chen , Yifan Han , Yanming Shao , Huanming Liu , Congsheng Xu , Xiaoyu Chen , Yao Mu , Wenzhao Lian

Reinforcement learning (RL) is a promising avenue for post-training vision-language-action (VLA) models, but practical deployment is hindered by sparse rewards and unstable training. This work mitigates these challenges by introducing an…

Vision-Language-Action (VLA) models show promising ability in language-guided robotic tasks. However, making VLA policies reliable remains challenging, because a manipulation task is completed through closed-loop interaction, where each…

Robotics · Computer Science 2026-05-20 Peizheng Guo , Jingyao Wang , Changwen Zheng , Wenwen Qiang

Vision-Language-Action models have recently emerged as a powerful paradigm for general-purpose robot learning, enabling agents to map visual observations and natural-language instructions into executable robotic actions. Though popular,…

Recent studies on Vision-Language-Action (VLA) models have shifted from the end-to-end action-generation paradigm toward a pipeline involving task planning followed by action generation, demonstrating improved performance on various…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chongkai Gao , Zixuan Liu , Zhenghao Chi , Junshan Huang , Xin Fei , Yiwen Hou , Yuxuan Zhang , Yudi Lin , Zhirui Fang , Zeyu Jiang , Lin Shao

Although large-scale video-language pre-training models, which usually build a global alignment between the video and the text, have achieved remarkable progress on various downstream tasks, the idea of adopting fine-grained information…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Weihong Zhong , Mao Zheng , Duyu Tang , Xuan Luo , Heng Gong , Xiaocheng Feng , Bing Qin

Vision-Language-Action (VLA) models trained on large robot datasets promise general-purpose, robust control across diverse domains and embodiments. However, existing approaches often fail out-of-the-box when deployed in novel environments,…

Robotics · Computer Science 2025-10-21 Ruihan Zhao , Tyler Ingebrand , Sandeep Chinchali , Ufuk Topcu

Large Vision-Language Action (VLA) models have shown significant potential for embodied AI. However, their predominant training via supervised fine-tuning (SFT) limits generalization due to susceptibility to compounding errors under…

Machine Learning · Computer Science 2026-01-15 Jijia Liu , Feng Gao , Bingwen Wei , Xinlei Chen , Qingmin Liao , Yi Wu , Chao Yu , Yu Wang

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 recently made significant advance in multi-task, end-to-end robotic control, due to the strong generalization capabilities of Vision-Language Models (VLMs). A fundamental challenge in developing such…

Robotics · Computer Science 2025-06-17 Yuqing Wen , Kefan Gu , Haoxuan Liu , Yucheng Zhao , Tiancai Wang , Haoqiang Fan , Xiaoyan Sun

The long-standing vision of general-purpose robots hinges on their ability to understand and act upon natural language instructions. Vision-Language-Action (VLA) models have made remarkable progress toward this goal, yet their generated…

Robotics · Computer Science 2026-02-19 Jacky Kwok , Xilun Zhang , Mengdi Xu , Yuejiang Liu , Azalia Mirhoseini , Chelsea Finn , Marco Pavone

Large policies pretrained on a combination of Internet-scale vision-language data and diverse robot demonstrations have the potential to change how we teach robots new skills: rather than training new behaviors from scratch, we can…

Vision-Language-Action (VLA) models aim to unify perception, language understanding, and action generation, offering strong cross-task and cross-scene generalization with broad impact on embodied AI. However, current VLA models often lack…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Angen Ye , Zeyu Zhang , Boyuan Wang , Xiaofeng Wang , Dapeng Zhang , Zheng Zhu

Developing robust and general-purpose manipulation policies represents a fundamental objective in robotics research. While Vision-Language-Action (VLA) models have demonstrated promising capabilities for end-to-end robot control, existing…

Vision-language-action models (VLAs) show potential as generalist robot policies. However, these models pose extreme safety challenges during real-world deployment, including the risk of harm to the environment, the robot itself, and…

Robotics · Computer Science 2026-04-21 Borong Zhang , Yuhao Zhang , Jiaming Ji , Yingshan Lei , Yishuai Cai , Josef Dai , Yuanpei Chen , Yaodong Yang

Vision-Language-Action (VLA) models, as large foundation models for embodied control, have shown strong performance in manipulation tasks. However, their performance comes at high inference cost. To improve efficiency, recent methods adopt…

Robotics · Computer Science 2026-04-06 Zihua Wang , Zhitao Lin , Ruibo Li , Yu Zhang , Xu Yang , Siya Mi , Xiu-Shen Wei