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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 represent a transformative shift in robotics, with the aim of unifying visual perception, natural language understanding, and embodied control within a single learning framework. This review presents a…

Robotics · Computer Science 2026-01-21 Muhayy Ud Din , Waseem Akram , Lyes Saad Saoud , Jan Rosell , Irfan Hussain

Vision-Language-Action (VLA) models have emerged as a promising approach for enabling robots to follow language instructions and predict corresponding actions. However, current VLA models mainly rely on 2D visual inputs, neglecting the rich…

Robotics · Computer Science 2025-08-14 Lin Sun , Bin Xie , Yingfei Liu , Hao Shi , Tiancai Wang , Jiale Cao

The emergence of Vision Language Action (VLA) models marks a paradigm shift from traditional policy-based control to generalized robotics, reframing Vision Language Models (VLMs) from passive sequence generators into active agents for…

Robotics · Computer Science 2025-11-11 Dapeng Zhang , Jing Sun , Chenghui Hu , Xiaoyan Wu , Zhenlong Yuan , Rui Zhou , Fei Shen , Qingguo Zhou

Vision-Language-Action (VLA) models provide a promising paradigm for robot learning by integrating visual perception with language-guided policy learning. However, most existing approaches rely on 2D visual inputs to perform actions in 3D…

Robotics · Computer Science 2025-12-16 Yicheng Feng , Wanpeng Zhang , Ye Wang , Hao Luo , Haoqi Yuan , Sipeng Zheng , Zongqing Lu

Vision-Language-Action (VLA) models, trained via flow-matching or diffusion objectives, excel at learning complex behaviors from large-scale, multi-modal datasets (e.g., human teleoperation, scripted policies). However, since VLAs…

Robotics · Computer Science 2025-12-03 Siyuan Yang , Yang Zhang , Haoran He , Ling Pan , Xiu Li , Chenjia Bai , Xuelong Li

Vision-Language-Action (VLA) models have shown strong potential for general-purpose robot manipulation by unifying perception and action. However, existing VLA systems primarily rely on textual instructions and struggle to resolve spatial…

Robotics · Computer Science 2026-05-22 Wenxuan Guo , Ziyuan Li , Meng Zhang , Yichen Liu , Yimeng Dong , Chuxi Xu , Yunfei Wei , Ze Chen , Erjin Zhou , Jianjiang Feng

Robotic manipulation in 3D requires effective computation of N degree-of-freedom joint-space trajectories that enable precise and robust control. To achieve this, robots must integrate semantic understanding with visual perception to…

Robotics · Computer Science 2026-03-31 Vineet Bhat , Yu-Hsiang Lan , Prashanth Krishnamurthy , Ramesh Karri , Farshad Khorrami

Vision-Language-Action (VLA) models have emerged as a promising paradigm for general-purpose robotic control, with test-time scaling (TTS) gaining attention to enhance robustness beyond training. However, existing TTS methods for VLAs…

Robotics · Computer Science 2026-02-05 Hyeonbeom Choi , Daechul Ahn , Youhan Lee , Taewook Kang , Seongwon Cho , Jonghyun Choi

Since current Vision-Language-Action (VLA) systems suffer from limited spatial perception and the absence of memory throughout manipulation, we investigate visual anchors as a means to enhance spatial and temporal reasoning within VLA…

Robotics · Computer Science 2026-03-16 Juan Zhu , Zhanying Shao , Xiaoqi Li , Ethan Morgan , Jiadong Xu , Hongwei Fan , Hao Dong

Vision-Language-Action models (VLAs) are becoming increasingly capable across diverse robotic tasks. However, their real-world deployment remains slow and inefficient: demonstration videos are often sped up by 5-10x to appear smooth, with…

Robotics · Computer Science 2025-12-02 Jiaming Tang , Yufei Sun , Yilong Zhao , Shang Yang , Yujun Lin , Zhuoyang Zhang , James Hou , Yao Lu , Zhijian Liu , Song Han

The important manifestation of robot intelligence is the ability to naturally interact and autonomously make decisions. Traditional approaches to robot control often compartmentalize perception, planning, and decision-making, simplifying…

Robotics · Computer Science 2025-02-05 Pengxiang Ding , Han Zhao , Wenjie Zhang , Wenxuan Song , Min Zhang , Siteng Huang , Ningxi Yang , Donglin Wang

Vision-Language-Action models (VLAs) achieve strong performance in general robotic manipulation tasks by scaling imitation learning. However, existing VLAs are limited to predicting short-sighted next-action, which struggle with…

Robotics · Computer Science 2026-03-03 Wenkai Guo , Guanxing Lu , Haoyuan Deng , Zhenyu Wu , Yansong Tang , Ziwei Wang

Does Chain-of-Thought (CoT) reasoning genuinely improve Vision-Language-Action (VLA) models, or does it merely add overhead? Existing CoT-VLA systems report limited and inconsistent gains, yet no prior work has rigorously diagnosed when and…

Machine Learning · Computer Science 2026-04-21 Cheng Yin , Yankai Lin , Wang Xu , Sikyuen Tam , Xiangrui Zeng , Zhiyuan Liu , Zhouping Yin

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

Diffusion and flow matching models have emerged as powerful robot policies, enabling Vision-Language-Action (VLA) models to generalize across diverse scenes and instructions. Yet, when trained via imitation learning, their high generative…

Robotics · Computer Science 2026-03-26 Minho Park , Kinam Kim , Junha Hyung , Hyojin Jang , Hoiyeong Jin , Jooyeol Yun , Hojoon Lee , Jaegul Choo

Magnetically actuated microrobots have been used as wireless, non-contact manipulation tools at microscales, making them promising for minimally invasive applications. However, their control remains challenging due to indirect actuation,…

Robotics · Computer Science 2026-05-28 Yongchen Wang , Kangyi Lu , Lan Wei , Dandan Zhang

Vision-Language-Action (VLA) models have shown remarkable achievements, driven by the rich implicit knowledge of their vision-language components. However, achieving generalist robotic agents demands precise grounding into physical…

Robotics · Computer Science 2025-07-15 Jialei Huang , Shuo Wang , Fanqi Lin , Yihang Hu , Chuan Wen , Yang Gao

Reasoning Vision Language Action (VLA) models improve robotic instruction-following by generating step-by-step textual plans before low-level actions, an approach inspired by Chain-of-Thought (CoT) reasoning in language models. Yet even…

Robotics · Computer Science 2026-01-15 Yilin Wu , Anqi Li , Tucker Hermans , Fabio Ramos , Andrea Bajcsy , Claudia Pérez-D'Arpino

Vision-Language-Action models have emerged as a promising paradigm for robotic manipulation by unifying perception, language grounding, and action generation. However, they often struggle in scenarios requiring precise spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Tao Lin , Yuxin Du , Jiting Liu , Nuobei Zhu , Yunhe Li , Yuqian Fu , Yinxinyu Chen , Hongyi Cai , Zewei Ye , Bing Cheng , Kai Ye , Yiran Mao , Yilei Zhong , MingKang Dong , Junchi Yan , Gen Li , Bo Zhao