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Reinforcement learning shows great potential to solve complex contact-rich robot manipulation tasks. However, the safety of using RL in the real world is a crucial problem, since unexpected dangerous collisions might happen when the RL…

Robotics · Computer Science 2025-05-27 Xiang Zhu , Shucheng Kang , Jianyu Chen

A longstanding goal in character animation is to combine data-driven specification of behavior with a system that can execute a similar behavior in a physical simulation, thus enabling realistic responses to perturbations and environmental…

Graphics · Computer Science 2018-08-07 Xue Bin Peng , Pieter Abbeel , Sergey Levine , Michiel van de Panne

Reinforcement learning (RL) is effective in many robotic applications, but it requires extensive exploration of the state-action space, during which behaviors can be unsafe. This significantly limits its applicability to large robots with…

Robotics · Computer Science 2026-01-05 Mehdi Heydari Shahna , Pauli Mustalahti , Jouni Mattila

Recent studies in using deep reinforcement learning (DRL) to solve Job-shop scheduling problems (JSSP) focus on construction heuristics. However, their performance is still far from optimality, mainly because the underlying graph…

Machine Learning · Computer Science 2024-02-15 Cong Zhang , Zhiguang Cao , Wen Song , Yaoxin Wu , Jie Zhang

This paper investigates a hybrid solution which combines deep reinforcement learning (RL) and classical trajectory planning for the following in front application. Here, an autonomous robot aims to stay ahead of a person as the person…

Robotics · Computer Science 2020-11-09 Payam Nikdel , Richard Vaughan , Mo Chen

In this work, we first describe a framework for the application of Reinforcement Learning (RL) control to a radar system that operates in a congested spectral setting. We then compare the utility of several RL algorithms through a…

Machine Learning · Computer Science 2020-06-24 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone , Kelly D. Sherbondy

Classical theory in reinforcement learning (RL) predominantly focuses on the single task setting, where an agent learns to solve a task through trial-and-error experience, given access to data only from that task. However, many recent…

Machine Learning · Computer Science 2022-06-28 Aldo Pacchiano , Ofir Nachum , Nilseh Tripuraneni , Peter Bartlett

Given a list of behaviors and associated parameterized controllers for solving different individual tasks, we study the problem of selecting an optimal sequence of coordinated behaviors in multi-robot systems for completing a given mission,…

Robotics · Computer Science 2019-09-16 Pietro Pierpaoli , Thinh T. Doan , Justin Romberg , Magnus Egerstedt

Robotic grasping in densely cluttered environments is challenging due to scarce collision-free grasp affordances. Non-prehensile actions can increase feasible grasps in cluttered environments, but most research focuses on single-arm rather…

Robotics · Computer Science 2025-04-03 Yongliang Wang , Hamidreza Kasaei

Solving task planning problems involving multiple objects and multiple robotic arms poses scalability challenges. Such problems involve not only coordinating multiple high-DoF arms, but also searching through possible sequences of actions…

Robotics · Computer Science 2022-01-21 Rahul Shome , Kostas E. Bekris

We address multi-robot geometric task-and-motion planning (MR-GTAMP) problems in synchronous, monotone setups. The goal of the MR-GTAMP problem is to move objects with multiple robots to goal regions in the presence of other movable…

Connector insertion and many other tasks commonly found in modern manufacturing settings involve complex contact dynamics and friction. Since it is difficult to capture related physical effects with first-order modeling, traditional control…

We present ArrayBot, a distributed manipulation system consisting of a $16 \times 16$ array of vertically sliding pillars integrated with tactile sensors, which can simultaneously support, perceive, and manipulate the tabletop objects.…

Robotics · Computer Science 2025-02-20 Zhengrong Xue , Han Zhang , Jingwen Cheng , Zhengmao He , Yuanchen Ju , Changyi Lin , Gu Zhang , Huazhe Xu

Recently, deep reinforcement learning (DRL) methods have achieved impressive performance on tasks in a variety of domains. However, neural network policies produced with DRL methods are not human-interpretable and often have difficulty…

Machine Learning · Computer Science 2022-02-02 Dweep Trivedi , Jesse Zhang , Shao-Hua Sun , Joseph J. Lim

This paper considers key challenges to using reinforcement learning (RL) with attack graphs to automate penetration testing in real-world applications from a systems perspective. RL approaches to automated penetration testing are actively…

Cryptography and Security · Computer Science 2022-06-15 Tyler Cody

Skilled robotic manipulation benefits from complex synergies between non-prehensile (e.g. pushing) and prehensile (e.g. grasping) actions: pushing can help rearrange cluttered objects to make space for arms and fingers; likewise, grasping…

Robotics · Computer Science 2018-10-02 Andy Zeng , Shuran Song , Stefan Welker , Johnny Lee , Alberto Rodriguez , Thomas Funkhouser

We propose a general and model-free approach for Reinforcement Learning (RL) on real robotics with sparse rewards. We build upon the Deep Deterministic Policy Gradient (DDPG) algorithm to use demonstrations. Both demonstrations and actual…

How can a reinforcement learning (RL) agent prepare to solve downstream tasks if those tasks are not known a priori? One approach is unsupervised skill discovery, a class of algorithms that learn a set of policies without access to a reward…

Machine Learning · Computer Science 2021-10-07 Benjamin Eysenbach , Ruslan Salakhutdinov , Sergey Levine

Autonomous manipulation of granular media, such as sand, is crucial for applications in construction, excavation, and additive manufacturing. However, shaping granular materials presents unique challenges due to their high-dimensional…

Robotics · Computer Science 2025-09-10 Benedikt Kreis , Malte Mosbach , Anny Ripke , Muhammad Ehsan Ullah , Sven Behnke , Maren Bennewitz

Collaborative robots are increasingly popular for assisting humans at work and daily tasks. However, designing and setting up interfaces for human-robot collaboration is challenging, requiring the integration of multiple components, from…

Robotics · Computer Science 2024-08-22 M. Forlini , M. Babcinschi , G. Palmieri , P. Neto