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Parallel robots (PRs) offer the potential for safe human-robot collaboration because of their low moving masses. Due to the in-parallel kinematic chains, the risk of contact in the form of collisions and clamping at a chain increases.…

Robotics · Computer Science 2023-08-21 Aran Mohammad , Moritz Schappler , Tim-Lukas Habich , Tobias Ortmaier

Increasing traffic demands, higher levels of automation, and communication enhancements provide novel design opportunities for future air traffic controllers (ATCs). This article presents a novel deep reinforcement learning (DRL) controller…

Machine Learning · Computer Science 2022-11-28 Lei Wang , Hongyu Yang , Yi Lin , Suwan Yin , Yuankai Wu

Many contact-rich tasks humans perform, such as box pickup or rolling dough, rely on force feedback for reliable execution. However, this force information, which is readily available in most robot arms, is not commonly used in…

Robotics · Computer Science 2025-04-28 Jason Jingzhou Liu , Yulong Li , Kenneth Shaw , Tony Tao , Ruslan Salakhutdinov , Deepak Pathak

Efficient use of the space in an elevator is very necessary for a service robot, due to the need for reducing the amount of time caused by waiting for the next elevator. To provide a solution for this, we propose a hybrid approach that…

Robotics · Computer Science 2022-12-09 Wanli Ma , Xinyi Gao , Jianwei Shi , Hao Hu , Chaoyang Wang , Yanxue Liang , Oktay Karakus

Smart electric wheelchairs can improve user experience by supporting the driver with shared control. State-of-the-art work showed the potential of shared control in improving safety in navigation for non-holonomic robots. However, for…

Robotics · Computer Science 2025-07-24 Jannis Bähler , Diego Paez-Granados , Jorge Peña-Queralta

This work investigates the potential of Reinforcement Learning (RL) to tackle robot motion planning challenges in the dynamic RoboCup Small Size League (SSL). Using a heuristic control approach, we evaluate RL's effectiveness in…

In this paper, we present an approach for learning collision-free robot trajectories in the presence of moving obstacles. As a first step, we train a backup policy to generate evasive movements from arbitrary initial robot states using…

Robotics · Computer Science 2024-11-11 Jonas Kiemel , Ludovic Righetti , Torsten Kröger , Tamim Asfour

We present a reinforcement learning based framework for human-centered collaborative systems. The framework is proactive and balances the benefits of timely actions with the risk of taking improper actions by minimizing the total time spent…

Robotics · Computer Science 2020-07-03 Ali Ghadirzadeh , Xi Chen , Wenjie Yin , Zhengrong Yi , Mårten Björkman , Danica Kragic

Reinforcement learning is a powerful technique for developing new robot behaviors. However, typical lack of safety guarantees constitutes a hurdle for its practical application on real robots. To address this issue, safe reinforcement…

Machine Learning · Computer Science 2024-04-29 Maeva Guerrier , Hassan Fouad , Giovanni Beltrame

We present a map-less path planning algorithm based on Deep Reinforcement Learning (DRL) for mobile robots navigating in unknown environment that only relies on 40-dimensional raw laser data and odometry information. The planner is trained…

Robotics · Computer Science 2020-02-12 Nicolò Botteghi , Beril Sirmacek , Khaled A. A. Mustafa , Mannes Poel , Stefano Stramigioli

Reinforcement Learning (RL) is essentially a trial-and-error learning procedure which may cause unsafe behavior during the exploration-and-exploitation process. This hinders the application of RL to real-world control problems, especially…

Machine Learning · Computer Science 2021-05-03 Yutong Li , Nan Li , H. Eric Tseng , Anouck Girard , Dimitar Filev , Ilya Kolmanovsky

Physical human-robot collaboration requires strict safety guarantees since robots and humans work in a shared workspace. This letter presents a novel control framework to handle safety-critical position-based constraints for human-robot…

Robotics · Computer Science 2022-08-11 Yuzhu Sun , Mien Van , Stephen McIlvanna , Sean McLoone , Dariusz Ceglarek

This paper explores the integration of incremental curriculum learning (ICL) with deep reinforcement learning (DRL) techniques to facilitate mobile robot navigation through task-based human instruction. By adopting a curriculum that mirrors…

Robotics · Computer Science 2024-12-30 Muhammad A. Muttaqien , Ayanori Yorozu , Akihisa Ohya

Safe Reinforcement Learning (RL) plays an important role in applying RL algorithms to safety-critical real-world applications, addressing the trade-off between maximizing rewards and adhering to safety constraints. This work introduces a…

Robotics · Computer Science 2024-07-16 Fan Yang , Wenxuan Zhou , Zuxin Liu , Ding Zhao , David Held

Reinforcement learning (RL) has shown promise in training agentic models that move beyond static benchmarks to engage in dynamic, multi-turn interactions. Yet, the ultimate value of such agents lies in their ability to assist users, a…

Industrial robots are widely used in diverse manufacturing environments. Nonetheless, how to enable robots to automatically plan trajectories for changing tasks presents a considerable challenge. Further complexities arise when robots…

Robotics · Computer Science 2025-02-27 Siddharth Singh , Tian Yu , Qing Chang , John Karigiannis , Shaopeng Liu

Reinforcement Learning (RL) has achieved tremendous success in many complex decision-making tasks. However, safety concerns are raised during deploying RL in real-world applications, leading to a growing demand for safe RL algorithms, such…

Artificial Intelligence · Computer Science 2024-05-28 Shangding Gu , Long Yang , Yali Du , Guang Chen , Florian Walter , Jun Wang , Alois Knoll

In the context of Human-Robot Collaboration (HRC), it is crucial that the two actors are able to communicate with each other in a natural and efficient manner. The absence of a communication interface is often a cause of undesired…

Robotics · Computer Science 2024-09-12 Davide Ferrari , Andrea Pupa , Cristian Secchi

Mobile Manipulation (MM) systems are ideal candidates for taking up the role of a personal assistant in unstructured real-world environments. Among other challenges, MM requires effective coordination of the robot's embodiments for…

Robotics · Computer Science 2022-10-20 Snehal Jauhri , Jan Peters , Georgia Chalvatzaki

While Large Language Models (LLMs) and Vision-Language Models (VLMs) demonstrate remarkable capabilities in high-level reasoning and semantic understanding, applying them directly to contact-rich manipulation remains a challenge due to…

Robotics · Computer Science 2026-05-13 Berk Çiçek , Mert K. Er , Ozgur S. Oguz