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The rapid advancement of generative AI and multi-modal foundation models has shown significant potential in advancing robotic manipulation. Vision-language-action (VLA) models, in particular, have emerged as a promising approach for…

Software Engineering · Computer Science 2025-05-13 Zhijie Wang , Zhehua Zhou , Jiayang Song , Yuheng Huang , Zhan Shu , Lei Ma

The emergence of vision-language-action (VLA) models has given rise to foundation models for robot manipulation. Although these models have achieved significant improvements, their generalization in multi-task manipulation remains limited.…

Vision-Language-Action (VLA) models have achieved remarkable success in robotic manipulation. However, their robustness to linguistic nuances remains a critical, under-explored safety concern, posing a significant safety risk to real-world…

Robotics · Computer Science 2026-04-08 Baoshun Tong , Haoran He , Ling Pan , Yang Liu , Liang Lin

Vision-Language-Action (VLA) models have recently become highly prominent in the field of robotics. Leveraging vision-language foundation models trained on large-scale internet data, the VLA model can generate robotic actions directly from…

Robotics · Computer Science 2025-05-19 Wei Zhao , Gongsheng Li , Zhefei Gong , Pengxiang Ding , Han Zhao , Donglin Wang

Vision-language-action models (VLAs) have shown potential in leveraging pretrained vision-language models and diverse robot demonstrations for learning generalizable sensorimotor control. While this paradigm effectively utilizes large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Qingqing Zhao , Yao Lu , Moo Jin Kim , Zipeng Fu , Zhuoyang Zhang , Yecheng Wu , Zhaoshuo Li , Qianli Ma , Song Han , Chelsea Finn , Ankur Handa , Ming-Yu Liu , Donglai Xiang , Gordon Wetzstein , Tsung-Yi Lin

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

Natural language can offer a concise and human-interpretable means of specifying reinforcement learning (RL) tasks. The ability to extract rewards from a language instruction can enable the development of robotic systems that can learn from…

Machine Learning · Computer Science 2025-12-15 Alexey Zakharov , Shimon Whiteson

Designing reward functions for continuous-control robotics often leads to subtle misalignments or reward hacking, especially in complex tasks. Preference-based RL mitigates some of these pitfalls by learning rewards from comparative…

Artificial Intelligence · Computer Science 2025-03-19 Anukriti Singh , Amisha Bhaskar , Peihong Yu , Souradip Chakraborty , Ruthwik Dasyam , Amrit Bedi , Pratap Tokekar

Vision-Language-Action (VLA) models show strong generalization for robotic control, but finetuning them with reinforcement learning (RL) is constrained by the high cost and safety risks of real-world interaction. Training VLA models in…

Robotics · Computer Science 2026-03-24 Zhilong Zhang , Haoxiang Ren , Yihao Sun , Yifei Sheng , Haonan Wang , Haoxin Lin , Zhichao Wu , Pierre-Luc Bacon , Yang Yu

Improving embodied reasoning in multimodal-large-language models (MLLMs) is essential for building vision-language-action models (VLAs) on top of them to readily translate multimodal understanding into low-level actions. Accordingly, recent…

Artificial Intelligence · Computer Science 2026-03-24 Dongyoung Kim , Sumin Park , Woomin Song , Seungku Kim , Taeyoung Kim , Huiwon Jang , Jinwoo Shin , Jaehyung Kim , Younggyo Seo

Vision-language-action (VLA) models finetuned from vision-language models (VLMs) hold the promise of leveraging rich pretrained representations to build generalist robots across diverse tasks and environments. However, direct fine-tuning on…

Robotics · Computer Science 2025-09-18 Shresth Grover , Akshay Gopalkrishnan , Bo Ai , Henrik I. Christensen , Hao Su , Xuanlin Li

Vision-Language-Action (VLA) models have demonstrated significant potential for generalist robotic policies; however, they struggle to generalize to long-horizon complex tasks in novel real-world domains due to distribution shifts and the…

Robotics · Computer Science 2026-02-25 Zhian Su , Weijie Kong , Haonan Dong , Huixu Dong

Recent advances in Vision-Language-Action (VLA) models have opened new avenues for robot manipulation, yet existing methods exhibit limited efficiency and a lack of high-level knowledge and spatial awareness. To address these challenges, we…

While Vision-Language-Action (VLA) models show strong promise for generalist robot control, it remains unclear whether -- and under what conditions -- the standard "scale data" recipe translates to robotics, where training data is…

Designing dense reward functions is pivotal for efficient robotic Reinforcement Learning (RL). However, most dense rewards rely on manual engineering, which fundamentally limits the scalability and automation of reinforcement learning.…

Robotics · Computer Science 2026-05-08 Xunlan Zhou , Xuanlin Chen , Shaowei Zhang , ShengHua Wan , Xiaohai Hu , Lei Yuan , De-chuan Zhan

Vision-Language-Action (VLA) models have demonstrated strong multi-modal reasoning capabilities, enabling direct action generation from visual perception and language instructions in an end-to-end manner. However, their substantial…

Robotics · Computer Science 2025-10-22 Siyu Xu , Yunke Wang , Chenghao Xia , Dihao Zhu , Tao Huang , Chang Xu

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

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 provide a powerful approach to training control policies for physical systems, such as robots, by combining end-to-end learning with transfer of semantic knowledge from web-scale vision-language model…

Vision-Language-Action (VLA) models have demonstrated strong performance across a wide range of robotic manipulation tasks. Despite the success, extending large pretrained Vision-Language Models (VLMs) to the action space can induce…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Yiye Chen , Yanan Jian , Xiaoyi Dong , Shuxin Cao , Jing Wu , Patricio Vela , Benjamin E. Lundell , Dongdong Chen