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Recent work has described neural-network-based agents that are trained with reinforcement learning (RL) to execute language-like commands in simulated worlds, as a step towards an intelligent agent or robot that can be instructed by human…

计算与语言 · 计算机科学 2020-05-20 Felix Hill , Sona Mokra , Nathaniel Wong , Tim Harley

In order for robots to perform mission-critical tasks, it is essential that they are able to quickly adapt to changes in their environment as well as to injuries and or other bodily changes. Deep reinforcement learning has been shown to be…

机器人学 · 计算机科学 2017-10-19 Ayaka Kume , Eiichi Matsumoto , Kuniyuki Takahashi , Wilson Ko , Jethro Tan

We propose to take a novel approach to robot system design where each building block of a larger system is represented as a differentiable program, i.e. a deep neural network. This representation allows for integrating algorithmic planning…

机器人学 · 计算机科学 2018-07-19 Peter Karkus , David Hsu , Wee Sun Lee

Mobile robots have gained increased importance within industrial tasks such as commissioning, delivery or operation in hazardous environments. The ability to autonomously navigate safely especially within dynamic environments, is paramount…

机器人学 · 计算机科学 2020-08-04 Linh Kästner , Cornelius Marx , Jens Lambrecht

The dominant way to control a robot manipulator uses hand-crafted differential equations leveraging some form of inverse kinematics / dynamics. We propose a simple, versatile joint-level controller that dispenses with differential equations…

机器人学 · 计算机科学 2021-08-23 Visak Kumar , David Hoeller , Balakumar Sundaralingam , Jonathan Tremblay , Stan Birchfield

A generalist robot must be able to complete a variety of tasks in its environment. One appealing way to specify each task is in terms of a goal observation. However, learning goal-reaching policies with reinforcement learning remains a…

机器学习 · 计算机科学 2021-01-01 Stephen Tian , Suraj Nair , Frederik Ebert , Sudeep Dasari , Benjamin Eysenbach , Chelsea Finn , Sergey Levine

While reinforcement learning (RL) has the potential to enable robots to autonomously acquire a wide range of skills, in practice, RL usually requires manual, per-task engineering of reward functions, especially in real world settings where…

机器人学 · 计算机科学 2019-02-15 Tianhe Yu , Gleb Shevchuk , Dorsa Sadigh , Chelsea Finn

Automated driving in urban settings is challenging. Human participant behavior is difficult to model, and conventional, rule-based Automated Driving Systems (ADSs) tend to fail when they face unmodeled dynamics. On the other hand, the more…

人工智能 · 计算机科学 2020-05-20 Ekim Yurtsever , Linda Capito , Keith Redmill , Umit Ozguner

Motion planning is a crucial aspect of robot autonomy as it involves identifying a feasible motion path to a destination while taking into consideration various constraints, such as input, safety, and performance constraints, without…

机器人学 · 计算机科学 2023-06-14 Dengyu Zhang , Guobin Zhu , Qingrui Zhang

This paper addresses the challenge of navigation in large, visually complex environments with sparse rewards. We propose a method that uses object-oriented macro actions grounded in a topological map, allowing a simple Deep Q-Network (DQN)…

机器学习 · 计算机科学 2025-04-28 Simon Hakenes , Tobias Glasmachers

In the area of autonomous driving, navigating off-road terrains presents a unique set of challenges, from unpredictable surfaces like grass and dirt to unexpected obstacles such as bushes and puddles. In this work, we present a novel…

机器人学 · 计算机科学 2025-05-15 Akhil Nagariya , Dimitar Filev , Srikanth Saripalli , Gaurav Pandey

We present a target-driven navigation system to improve mapless visual navigation in indoor scenes. Our method takes a multi-view observation of a robot and a target as inputs at each time step to provide a sequence of actions that move the…

机器人学 · 计算机科学 2022-05-10 Qiaoyun Wu , Xiaoxi Gong , Kai Xu , Dinesh Manocha , Jingxuan Dong , Jun Wang

Reliable autonomous navigation across the unstructured terrains of distant planetary surfaces is a critical enabler for future space exploration. However, the deployment of learning-based controllers is hindered by the inherent sim-to-real…

机器人学 · 计算机科学 2025-10-22 Andrej Orsula , Matthieu Geist , Miguel Olivares-Mendez , Carol Martinez

In this paper, we consider the problem of building learning agents that can efficiently learn to navigate in constrained environments. The main goal is to design agents that can efficiently learn to understand and generalize to different…

机器学习 · 计算机科学 2020-03-04 Kei Ota , Yoko Sasaki , Devesh K. Jha , Yusuke Yoshiyasu , Asako Kanezaki

Humans can routinely follow a trajectory defined by a list of images/landmarks. However, traditional robot navigation methods require accurate mapping of the environment, localization, and planning. Moreover, these methods are sensitive to…

机器人学 · 计算机科学 2019-05-30 Noriaki Hirose , Fei Xia , Roberto Martin-Martin , Amir Sadeghian , Silvio Savarese

An important goal of research in Deep Reinforcement Learning in mobile robotics is to train agents capable of solving complex tasks, which require a high level of scene understanding and reasoning from an egocentric perspective. When…

机器学习 · 计算机科学 2019-04-04 Edward Beeching , Christian Wolf , Jilles Dibangoye , Olivier Simonin

Model-free reinforcement learning has recently been shown to successfully learn navigation policies from raw sensor data. In this work, we address the problem of learning driving policies for an autonomous agent in a high-fidelity…

机器学习 · 计算机科学 2019-02-12 Qadeer Khan , Torsten Schön , Patrick Wenzel

This paper aims to improve the computational efficiency of motion planning for mobile robots with non-trivial dynamics through the use of learned controllers. Offline, a system-specific controller is first trained in an empty environment.…

机器人学 · 计算机科学 2024-10-07 Aravind Sivaramakrishnan , Sumanth Tangirala , Edgar Granados , Noah R. Carver , Kostas E. Bekris

Magnetic microrobots can be navigated by an external magnetic field to autonomously move within living organisms with complex and unstructured environments. Potential applications include drug delivery, diagnostics, and therapeutic…

机器人学 · 计算机科学 2024-03-22 Yongyi Jia , Shu Miao , Junjian Zhou , Niandong Jiao , Lianqing Liu , Xiang Li

In this paper, we present a learning approach to goal assignment and trajectory planning for unlabeled robots operating in 2D, obstacle-filled workspaces. More specifically, we tackle the unlabeled multi-robot motion planning problem with…