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We propose a CompliantVLA-adaptor that augments the state-of-the-art Vision-Language-Action (VLA) models with vision-language model (VLM)-informed context-aware variable impedance control (VIC) to improve the safety and effectiveness of…

Reinforcement learning (RL) has emerged as a promising paradigm in complex and continuous robotic tasks, however, safe exploration has been one of the main challenges, especially in contact-rich manipulation tasks in unstructured…

Robotics · Computer Science 2024-06-21 Heng Zhang , Gokhan Solak , Gustavo J. G. Lahr , Arash Ajoudani

Humanoid robots must adapt their contact behavior to diverse objects and tasks, yet most controllers rely on fixed, hand-tuned impedance gains and gripper settings. This paper introduces HumanoidVLM, a vision-language driven retrieval…

Robotics · Computer Science 2026-01-22 Yara Mahmoud , Yasheerah Yaqoot , Miguel Altamirano Cabrera , Dzmitry Tsetserukou

Contact-rich manipulation tasks, such as wiping and assembly, require accurate perception of contact forces, friction changes, and state transitions that cannot be reliably inferred from vision alone. Despite growing interest in…

Safe and trustworthy Human Robot Interaction (HRI) requires robots not only to complete tasks but also to regulate impedance and speed according to scene context and human proximity. We present SafeHumanoid, an egocentric vision pipeline…

Bimanual mobile manipulation requires a seamless integration between high-level semantic reasoning and safe, compliant physical interaction - a challenge that end-to-end models approach opaquely and classical controllers lack the context to…

In human-robot systems, ensuring safety during force control in the presence of both internal and external disturbances is crucial. As a typical loosely coupled floating-base robot system, the supernumerary robotic leg (SRL) system is…

Robotics · Computer Science 2025-11-18 Jun Huo , Kehan Xu , Chengyao Li , Yu Cao , Jie Zuo , Xinxing Chen , Jian Huang

Smooth behaviors are preferable for many contact-rich manipulation tasks. Impedance control arises as an effective way to regulate robot movements by mimicking a mass-spring-damping system. Consequently, the robot behavior can be determined…

Robotics · Computer Science 2021-11-03 Changhao Wang , Zhian Kuang , Xiang Zhang , Masayoshi Tomizuka

Recent vision-language-action (VLA) models build upon vision-language foundations, and have achieved promising results and exhibit the possibility of task generalization in robot manipulation. However, due to the heterogeneity of tactile…

Robotics · Computer Science 2025-08-25 Zhengxue Cheng , Yiqian Zhang , Wenkang Zhang , Haoyu Li , Keyu Wang , Li Song , Hengdi Zhang

Robotic real-world reinforcement learning (RL) with vision-language-action (VLA) models is bottlenecked by sparse, handcrafted rewards and inefficient exploration. We introduce VLAC, a general process reward model built upon InternVL and…

Vision-language-action (VLA) models have shown strong generalization for robotic action prediction through large-scale vision-language pretraining. However, most existing models rely solely on RGB cameras, limiting their perception and,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Heyu Guo , Shanmu Wang , Ruichun Ma , Shiqi Jiang , Yasaman Ghasempour , Omid Abari , Baining Guo , Lili Qiu

In intelligent manufacturing, robots are asked to dynamically adapt their behaviours without reducing productivity. Human teaching, where an operator physically interacts with the robot to demonstrate a new task, is a promising strategy to…

Robotics · Computer Science 2024-12-04 Matteo Dalle Vedove , Edoardo Lamon , Daniele Fontanelli , Luigi Palopoli , Matteo Saveriano

Robots that physically interact with their surroundings, in order to accomplish some tasks or assist humans in their activities, require to exploit contact forces in a safe and proficient manner. Impedance control is considered as a…

Robotics · Computer Science 2023-09-27 Fares J. Abu-Dakka , Matteo Saveriano

Multi-task ``vision-language-action'' (VLA) models have recently demonstrated increasing promise as generalist foundation models for robotics, achieving non-trivial performance out of the box on new tasks in new environments. However, for…

Robotics · Computer Science 2025-08-05 Kaustubh Sridhar , Souradeep Dutta , Dinesh Jayaraman , Insup Lee

Utilizing Vision-Language Models (VLMs) for robotic manipulation represents a novel paradigm, aiming to enhance the model's ability to generalize to new objects and instructions. However, due to variations in camera specifications and…

Robotics · Computer Science 2024-09-13 Fanfan Liu , Feng Yan , Liming Zheng , Chengjian Feng , Yiyang Huang , Lin Ma

The ability to flexibly leverage limbs for loco-manipulation is essential for enabling autonomous robots to operate in unstructured environments. Yet, prior work on loco-manipulation is often constrained to specific tasks or predetermined…

Robotics · Computer Science 2025-06-12 Xinghao Zhu , Yuxin Chen , Lingfeng Sun , Farzad Niroui , Simon Le Cleac'h , Jiuguang Wang , Kuan Fang

Robotic manipulation has seen rapid progress with vision-language-action (VLA) policies. However, visuo-tactile perception is critical for contact-rich manipulation, as tasks such as insertion are difficult to complete robustly using vision…

Although Model Predictive Control (MPC) can effectively predict the future states of a system and thus is widely used in robotic manipulation tasks, it does not have the capability of environmental perception, leading to the failure in some…

Robotics · Computer Science 2024-07-16 Wentao Zhao , Jiaming Chen , Ziyu Meng , Donghui Mao , Ran Song , Wei Zhang

This paper presents OmniVL, a new foundation model to support both image-language and video-language tasks using one universal architecture. It adopts a unified transformer-based visual encoder for both image and video inputs, and thus can…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Junke Wang , Dongdong Chen , Zuxuan Wu , Chong Luo , Luowei Zhou , Yucheng Zhao , Yujia Xie , Ce Liu , Yu-Gang Jiang , Lu Yuan

Reinforcement Learning (RL) of contact-rich manipulation tasks has yielded impressive results in recent years. While many studies in RL focus on varying the observation space or reward model, few efforts focused on the choice of action…

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