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Mobile robot navigation in complex and dynamic environments is a challenging but important problem. Reinforcement learning approaches fail to solve these tasks efficiently due to reward sparsities, temporal complexities and…

Robotics · Computer Science 2018-04-30 Xi Chen , Ali Ghadirzadeh , John Folkesson , Patric Jensfelt

This article addresses the obstacle avoidance problem for setpoint stabilization and path-following tasks in complex dynamic 2D environments that go beyond conventional scenes with isolated convex obstacles. A combined motion planner and…

Robotics · Computer Science 2023-12-11 Albin Dahlin , Yiannis Karayiannidis

Autonomous navigation in complex and partially observable environments remains a central challenge in robotics. Several bio-inspired models of mapping and navigation based on place cells in the mammalian hippocampus have been proposed. This…

Neural and Evolutionary Computing · Computer Science 2026-01-08 Bekarys Dukenbaev , Andrew Gerstenslager , Alexander Johnson , Ali A. Minai

Effective robot navigation in unseen environments is a challenging task that requires precise control actions at high frequencies. Recent advances have framed it as an image-goal-conditioned control problem, where the robot generates…

We investigate the task of object goal navigation in unknown environments where the target is specified by a semantic label (e.g. find a couch). Such a navigation task is especially challenging as it requires understanding of semantic…

Robotics · Computer Science 2022-10-18 Yash Goel , Narunas Vaskevicius , Luigi Palmieri , Nived Chebrolu , Cyrill Stachniss

The ultimate navigation efficiency of mobile robots in human environments will depend on how we will appraise them: merely as impersonal machines or as human-like agents. In the latter case, an agent may take advantage of the cooperative…

Navigation in an unknown environment consists of multiple separable subtasks, such as collecting information about the surroundings and navigating to the current goal. In the case of pure visual navigation, all these subtasks need to…

Robotics · Computer Science 2016-02-17 Tuomas Välimäki , Risto Ritala

Planning for robotic manipulation requires reasoning about the changes a robot can affect on objects. When such interactions can be modelled analytically, as in domains with rigid objects, efficient planning algorithms exist. However, in…

Robotics · Computer Science 2019-05-14 Angelina Wang , Thanard Kurutach , Kara Liu , Pieter Abbeel , Aviv Tamar

Real world visual navigation requires robots to operate in unfamiliar, human-occupied dynamic environments. Navigation around humans is especially difficult because it requires anticipating their future motion, which can be quite…

Robotics · Computer Science 2021-02-16 Varun Tolani , Somil Bansal , Aleksandra Faust , Claire Tomlin

Zero-shot object navigation is a challenging task for home-assistance robots. This task emphasizes visual grounding, commonsense inference and locomotion abilities, where the first two are inherent in foundation models. But for the…

Robotics · Computer Science 2023-09-22 Wenzhe Cai , Siyuan Huang , Guangran Cheng , Yuxing Long , Peng Gao , Changyin Sun , Hao Dong

Learned Neural Network based policies have shown promising results for robot navigation. However, most of these approaches fall short of being used on a real robot due to the extensive simulated training they require. These simulations lack…

Robotics · Computer Science 2019-08-30 Ayzaan Wahid , Alexander Toshev , Marek Fiser , Tsang-Wei Edward Lee

Safe and high-speed navigation is a key enabling capability for real world deployment of robotic systems. A significant limitation of existing approaches is the computational bottleneck associated with explicit mapping and the limited field…

Robotics · Computer Science 2020-12-23 Kapil D. Katyal , Adam Polevoy , Joseph Moore , Craig Knuth , Katie M. Popek

It is fundamental for personal robots to reliably navigate to a specified goal. To study this task, PointGoal navigation has been introduced in simulated Embodied AI environments. Recent advances solve this PointGoal navigation task with…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Xiaoming Zhao , Harsh Agrawal , Dhruv Batra , Alexander Schwing

Robotic navigation has been approached as a problem of 3D reconstruction and planning, as well as an end-to-end learning problem. However, long-range navigation requires both planning and reasoning about local traversability, as well as…

Robotics · Computer Science 2023-01-11 Dhruv Shah , Sergey Levine

End-to-end learning for autonomous navigation has received substantial attention recently as a promising method for reducing modeling error. However, its data complexity, especially around generalization to unseen environments, is high. We…

Robotics · Computer Science 2019-04-04 Xiangyun Meng , Nathan Ratliff , Yu Xiang , Dieter Fox

Robots need to be able to work in multiple different environments. Even when performing similar tasks, different behaviour should be deployed to best fit the current environment. In this paper, We propose a new approach to navigation, where…

Robotics · Computer Science 2021-06-04 Xihan Bian , Oscar Mendez , Simon Hadfield

In this work, we propose a learning based neural model that provides both the longitudinal and lateral control commands to simultaneously navigate multiple vehicles. The goal is to ensure that each vehicle reaches a desired target state…

Robotics · Computer Science 2024-03-22 Yining Ma , Qadeer Khan , Daniel Cremers

Learned dynamics models combined with both planning and policy learning algorithms have shown promise in enabling artificial agents to learn to perform many diverse tasks with limited supervision. However, one of the fundamental challenges…

Machine Learning · Computer Science 2020-08-12 Suraj Nair , Silvio Savarese , Chelsea Finn

The feasibility of collecting a large amount of expert demonstrations has inspired growing research interests in learning-to-drive settings, where models learn by imitating the driving behaviour from experts. However, exclusively relying on…

Robotics · Computer Science 2022-12-20 Jonathan Francis , Bingqing Chen , Weiran Yao , Eric Nyberg , Jean Oh

Navigation is a fundamental capability for mobile robots. While the current trend is to use learning-based approaches to replace traditional geometry-based methods, existing end-to-end learning-based policies often struggle with 3D spatial…

Robotics · Computer Science 2026-01-21 Wangtian Shen , Ziyang Meng , Jinming Ma , Mingliang Zhou , Diyun Xiang