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Visuomotor robot policies, increasingly pre-trained on large-scale datasets, promise significant advancements across robotics domains. However, aligning these policies with end-user preferences remains a challenge, particularly when the…

Robotics · Computer Science 2024-12-09 Ran Tian , Yilin Wu , Chenfeng Xu , Masayoshi Tomizuka , Jitendra Malik , Andrea Bajcsy

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…

We introduce Green-VLA, a staged Vision-Language-Action (VLA) framework for real-world deployment on the Green humanoid robot while maintaining generalization across diverse embodiments. Green-VLA follows a five stage curriculum: (L0)…

Vision-Language-Action (VLA) models advance robotic control via strong visual-linguistic priors. However, existing VLAs predominantly frame pretraining as supervised behavior cloning, overlooking the fundamental nature of robot learning as…

Artificial Intelligence · Computer Science 2026-05-01 Yang Zhang , Jiangyuan Zhao , Chenyou Fan , Fangzheng Yan , Tian Li , Haitong Tang , Sen Fu , Xuan'er Wu , Qizhen Weng , Weinan Zhang , Xiu Li , Chi Zhang , Chenjia Bai , Xuelong Li

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 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

Robot foundation models, particularly Vision-Language-Action (VLA) models, have garnered significant attention for their ability to enhance robot policy learning, greatly improving robot's generalization and robustness. OpenAI's recent…

Robotic systems are increasingly expected to operate in human-centered, unstructured environments where safety, adaptability, and generalization are essential. Vision-Language-Action (VLA) models have been proposed as a language guided…

Robotics · Computer Science 2025-10-21 Haochen Su , Cristian Meo , Francesco Stella , Andrea Peirone , Kai Junge , Josie Hughes

Vision Language Models (VLMs) have recently been leveraged to generate robotic actions, forming Vision-Language-Action (VLA) models. However, directly adapting a pretrained VLM for robotic control remains challenging, particularly when…

Generalization in robot manipulation is essential for deploying robots in open-world environments and advancing toward artificial general intelligence. While recent Vision-Language-Action (VLA) models leverage large pre-trained…

Robotics · Computer Science 2025-12-09 Yichao Shen , Fangyun Wei , Zhiying Du , Yaobo Liang , Yan Lu , Jiaolong Yang , Nanning Zheng , Baining Guo

Vision-Language-Action (VLA) models excel in static manipulation but struggle in dynamic environments with moving targets. This performance gap primarily stems from a scarcity of dynamic manipulation datasets and the reliance of mainstream…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Heng Fang , Shangru Li , Shuhan Wang , Xuanyang Xi , Dingkang Liang , Xiang Bai

Reinforcement Learning (RL) has shown great potential in refining robotic manipulation policies, yet its efficacy remains strongly bottlenecked by the difficulty of designing generalizable reward functions. In this paper, we propose a…

Robotics · Computer Science 2026-03-24 Yanru Wu , Weiduo Yuan , Ang Qi , Vitor Guizilini , Jiageng Mao , Yue Wang

Vision-Language-Action (VLA) models exhibit strong generalization in robotic manipulation, yet reinforcement learning (RL) fine-tuning often degrades robustness under spatial distribution shifts. For flow-matching VLA policies, this…

Robotics · Computer Science 2026-02-03 Xu Pan , Zhenglin Wan , Xingrui Yu , Xianwei Zheng , Youkai Ke , Ming Sun , Rui Wang , Ziwei Wang , Ivor Tsang

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

The advancement of large Vision-Language-Action (VLA) models has significantly improved robotic manipulation in terms of language-guided task execution and generalization to unseen scenarios. While existing VLAs adapted from pretrained…

Vision-Language-Action~(VLA) models have shown strong potential for general-purpose robotic manipulation, yet they still struggle to generalize to unseen tasks that necessitate transferring relevant experience across objects, scenes, and…

Robotics · Computer Science 2026-05-29 Shengyu Si , Yuanzhuo Lu , Ruimeng Yang , Ziyi Ye , Zuxuan Wu , Yu-Gang Jiang

Vision-Language-Action (VLA) models have recently emerged as powerful generalists for robotic manipulation. However, due to their predominant reliance on visual modalities, they fundamentally lack the physical intuition required for…

Robotics · Computer Science 2026-02-02 Yuzhe Huang , Pei Lin , Wanlin Li , Daohan Li , Jiajun Li , Jiaming Jiang , Chenxi Xiao , Ziyuan Jiao

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

Dexterous grasping remains a fundamental yet challenging problem in robotics. A general-purpose robot must be capable of grasping diverse objects in arbitrary scenarios. However, existing research typically relies on restrictive…

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