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The physical design of a robot and the policy that controls its motion are inherently coupled, and should be determined according to the task and environment. In an increasing number of applications, data-driven and learning-based…

Robotics · Computer Science 2018-09-18 Charles Schaff , David Yunis , Ayan Chakrabarti , Matthew R. Walter

Parkour poses a significant challenge for legged robots, requiring navigation through complex environments with agility and precision based on limited sensory inputs. In this work, we introduce a novel method for training end-to-end visual…

Robotics · Computer Science 2024-09-23 Elliot Chane-Sane , Joseph Amigo , Thomas Flayols , Ludovic Righetti , Nicolas Mansard

Many studies have applied reinforcement learning to train a dialog policy and show great promise these years. One common approach is to employ a user simulator to obtain a large number of simulated user experiences for reinforcement…

Computation and Language · Computer Science 2020-04-24 Ryuichi Takanobu , Runze Liang , Minlie Huang

Reinforcement learning and planning methods require an objective or reward function that encodes the desired behavior. Yet, in practice, there is a wide range of scenarios where an objective is difficult to provide programmatically, such as…

Machine Learning · Computer Science 2018-10-02 Annie Xie , Avi Singh , Sergey Levine , Chelsea Finn

Skilled robot task learning is best implemented by predictive action policies due to the inherent latency of sensorimotor processes. However, training such predictive policies is challenging as it involves finding a trajectory of motor…

Robotics · Computer Science 2017-03-03 Ali Ghadirzadeh , Atsuto Maki , Danica Kragic , Mårten Björkman

Learning a risk-aware policy is essential but rather challenging in unstructured robotic tasks. Safe reinforcement learning methods open up new possibilities to tackle this problem. However, the conservative policy updates make it…

Machine Learning · Computer Science 2022-12-15 Linrui Zhang , Zichen Yan , Li Shen , Shoujie Li , Xueqian Wang , Dacheng Tao

Visuomotor policies trained on human expert demonstrations have recently shown strong performance across a wide range of robotic manipulation tasks. However, these policies remain highly sensitive to domain shifts stemming from background…

Robotics · Computer Science 2026-01-07 Reihaneh Mirjalili , Tobias Jülg , Florian Walter , Wolfram Burgard

We consider task allocation for multi-object transport using a multi-robot system, in which each robot selects one object among multiple objects with different and unknown weights. The existing centralized methods assume the number of…

Robotics · Computer Science 2022-12-07 Kazuki Shibata , Tomohiko Jimbo , Tadashi Odashima , Keisuke Takeshita , Takamitsu Matsubara

Teams of people coordinate to perform complex tasks by forming abstract mental models of world and agent dynamics. The use of abstract models contrasts with much recent work in robot learning that uses a high-fidelity simulator and…

Robotics · Computer Science 2025-03-10 Adam Labiosa , Josiah P. Hanna

The ability of Language Models (LMs) to understand natural language makes them a powerful tool for parsing human instructions into task plans for autonomous robots. Unlike traditional planning methods that rely on domain-specific knowledge…

Safe navigation is essential for autonomous systems operating in hazardous environments. Traditional planning methods excel at long-horizon tasks but rely on a predefined graph with fixed distance metrics. In contrast, safe Reinforcement…

Robotics · Computer Science 2025-09-12 Meng Feng , Viraj Parimi , Brian Williams

The process of learning a manipulation task depends strongly on the action space used for exploration: posed in the incorrect action space, solving a task with reinforcement learning can be drastically inefficient. Additionally, similar…

In visual semantic navigation, the robot navigates to a target object with egocentric visual observations and the class label of the target is given. It is a meaningful task inspiring a surge of relevant research. However, most of the…

Artificial Intelligence · Computer Science 2021-09-21 Xinzhu Liu , Di Guo , Huaping Liu , Fuchun Sun

Robotics can help address the growing worker shortage challenge of the manufacturing industry. As such, machine tending is a task collaborative robots can tackle that can also highly boost productivity. Nevertheless, existing robotics…

Robotics · Computer Science 2025-03-03 Abdalwhab Abdalwhab , Giovanni Beltrame , Samira Ebrahimi Kahou , David St-Onge

Visual navigation tasks in real-world environments often require both self-motion and place recognition feedback. While deep reinforcement learning has shown success in solving these perception and decision-making problems in an end-to-end…

Robotics · Computer Science 2020-03-03 Marvin Chancán , Michael Milford

We present a technique for learning how to solve a multi-robot mission that requires interaction with an external environment by observing an expert system executing the same mission. We define the expert system as a team of robots equipped…

Machine learning models are widely used to support stealth assessment in digital learning environments. Existing approaches typically rely on abstracted gameplay log data, which may overlook subtle behavioral cues linked to learners'…

Machine Learning · Computer Science 2025-07-31 Clemens Witt , Thiemo Leonhardt , Nadine Bergner , Mareen Grillenberger

Training end-to-end deep robot policies requires a lot of domain-, task-, and hardware-specific data, which is often costly to provide. In this work, we propose to tackle this issue by employing a deep neural network with a modular…

Robotics · Computer Science 2019-03-12 Aleksi Hämäläinen , Karol Arndt , Ali Ghadirzadeh , Ville Kyrki

Training visual control policies from scratch on a new robot typically requires generating large amounts of robot-specific data. How might we leverage data previously collected on another robot to reduce or even completely remove this need…

Machine Learning · Computer Science 2022-10-18 Edward S. Hu , Kun Huang , Oleh Rybkin , Dinesh Jayaraman

We propose a learning-based navigation system for reaching visually indicated goals and demonstrate this system on a real mobile robot platform. Learning provides an appealing alternative to conventional methods for robotic navigation:…

Robotics · Computer Science 2022-10-11 Dhruv Shah , Benjamin Eysenbach , Gregory Kahn , Nicholas Rhinehart , Sergey Levine