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We address planning and navigation in challenging 3D video games featuring maps with disconnected regions reachable by agents using special actions. In this setting, classical symbolic planners are not applicable or difficult to adapt. We…

Machine Learning · Computer Science 2021-12-23 Edward Beeching , Maxim Peter , Philippe Marcotte , Jilles Debangoye , Olivier Simonin , Joshua Romoff , Christian Wolf

We present a navigation system that combines ideas from hierarchical planning and machine learning. The system uses a traditional global planner to compute optimal paths towards a goal, and a deep local trajectory planner and velocity…

Humans are remarkable in their ability to navigate without metric information. We can read abstract 2D maps, such as floor-plans or hand-drawn sketches, and use them to navigate in unseen rich 3D environments, without requiring prior…

Robotics · Computer Science 2024-05-14 Joel Loo , David Hsu

Mobile robotics is a research area that has witnessed incredible advances for the last decades. Robot navigation is an essential task for mobile robots. Many methods are proposed for allowing robots to navigate within different…

Robotics · Computer Science 2021-02-18 Omar Mohamed , Zeyad Mohsen , Mohamed Wageeh , Mohamed Hegazy

Mobile robots are often tasked with repeatedly navigating through an environment whose traversability changes over time. These changes may exhibit some hidden structure, which can be learned. Many studies consider reactive algorithms for…

Robotics · Computer Science 2020-12-07 Florence Tsang , Tristan Walker , Ryan A. MacDonald , Armin Sadeghi , Stephen L. Smith

In this work we present a novel end-to-end framework for tracking and classifying a robot's surroundings in complex, dynamic and only partially observable real-world environments. The approach deploys a recurrent neural network to filter an…

Machine Learning · Computer Science 2016-04-20 Peter Ondruska , Julie Dequaire , Dominic Zeng Wang , Ingmar Posner

In this paper, we develop an embodied AI system for human-in-the-loop navigation with a wheeled mobile robot. We propose a direct yet effective method of monitoring the robot's current plan to detect changes in the environment that impact…

Robotics · Computer Science 2024-10-01 Cody Simons , Zhichao Liu , Brandon Marcus , Amit K. Roy-Chowdhury , Konstantinos Karydis

Learning to locomote to arbitrary goals on hardware remains a challenging problem for reinforcement learning. In this paper, we present a hierarchical learning framework that improves sample-efficiency and generalizability of locomotion…

Robotics · Computer Science 2019-09-30 Tianyu Li , Nathan Lambert , Roberto Calandra , Franziska Meier , Akshara Rai

The most common way for robots to handle environmental information is by using maps. At present, each kind of data is hosted on a separate map, which complicates planning because a robot attempting to perform a task needs to access and…

Robotics · Computer Science 2020-05-25 Francesco Verdoja , Ville Kyrki

Soft robotics has emerged as the standard solution for grasping deformable objects, and has proven invaluable for mobile robotic exploration in extreme environments. However, despite this growth, there are no widely adopted computational…

Robotics · Computer Science 2024-07-11 Yue Xie , Josh Pinskier , Lois Liow , David Howard , Fumiya Iida

The autonomous exploration of environments by multi-robot systems is a critical task with broad applications in rescue missions, exploration endeavors, and beyond. Current approaches often rely on either greedy frontier selection or…

Robotics · Computer Science 2024-10-28 Gengyuan Cai , Luosong Guo , Xiangmao Chang

When the navigational environment is known, it can be represented as a graph where landmarks are nodes, the robot behaviors that move from node to node are edges, and the route is a set of behavioral instructions. The route path from source…

Artificial Intelligence · Computer Science 2020-01-09 Amar Shrestha , Krittaphat Pugdeethosapol , Haowen Fang , Qinru Qiu

Quadruped robots are currently a widespread platform for robotics research, thanks to powerful Reinforcement Learning controllers and the availability of cheap and robust commercial platforms. However, to broaden the adoption of the…

This paper presents a Deep Reinforcement Learning based navigation approach in which we define the occupancy observations as heuristic evaluations of motion primitives, rather than using raw sensor data. Our method enables fast mapping of…

Robotics · Computer Science 2022-08-18 Neşet Ünver Akmandor , Hongyu Li , Gary Lvov , Eric Dusel , Taşkın Padır

Learning to navigate in complex environments with dynamic elements is an important milestone in developing AI agents. In this work we formulate the navigation question as a reinforcement learning problem and show that data efficiency and…

In complex manipulation scenarios (e.g. tasks requiring complex interaction of two hands or in-hand manipulation), generalization is a hard problem. Current methods still either require a substantial amount of (supervised) training data and…

Robotics · Computer Science 2017-08-15 Simon Hangl , Emre Ugur , Sandor Szedmak , Justus Piater

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…

Robotics · Computer Science 2020-08-04 Linh Kästner , Cornelius Marx , Jens Lambrecht

Fully autonomous mobile robots have a multitude of potential applications, but guaranteeing robust navigation performance remains an open research problem. For many tasks such as repeated infrastructure inspection, item delivery, or…

Robotics · Computer Science 2021-07-30 Dominic Dall'Osto , Tobias Fischer , Michael Milford

In reinforcement learning, pre-trained low-level skills have the potential to greatly facilitate exploration. However, prior knowledge of the downstream task is required to strike the right balance between generality (fine-grained control)…

Machine Learning · Computer Science 2021-10-22 Jonas Gehring , Gabriel Synnaeve , Andreas Krause , Nicolas Usunier