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Deep Reinforcement Learning (DRL) based navigation methods have demonstrated promising results for mobile robots, but suffer from limited action flexibility in confined spaces. Conventional DRL approaches predominantly learn forward-motion…

Robotics · Computer Science 2025-04-01 Shanze Wang , Mingao Tan , Zhibo Yang , Biao Huang , Xiaoyu Shen , Hailong Huang , Wei Zhang

Purpose: Autonomous navigation of catheters and guidewires can enhance endovascular surgery safety and efficacy, reducing procedure times and operator radiation exposure. Integrating tele-operated robotics could widen access to…

Machine Learning · Computer Science 2024-06-19 Harry Robertshaw , Lennart Karstensen , Benjamin Jackson , Alejandro Granados , Thomas C. Booth

Deep reinforcement learning (RL), where the agent learns from mistakes, has been successfully applied to a variety of tasks. With the aim of learning collision-free policies for unmanned vehicles, deep RL has been used for training with…

Motion planning is an essential component in most of today's robotic applications. In this work, we consider the learning setting, where a set of solved motion planning problems is used to improve the efficiency of motion planning on…

Robotics · Computer Science 2019-06-04 Tom Jurgenson , Aviv Tamar

Deep reinforcement learning (DRL) has become a dominant deep-learning paradigm for tasks where complex policies are learned within reactive systems. Unfortunately, these policies are known to be susceptible to bugs. Despite significant…

Robotics · Computer Science 2023-01-12 Guy Amir , Davide Corsi , Raz Yerushalmi , Luca Marzari , David Harel , Alessandro Farinelli , Guy Katz

Autonomous navigation of mobile robots is an essential aspect in use cases such as delivery, assistance or logistics. Although traditional planning methods are well integrated into existing navigation systems, they struggle in highly…

Robotics · Computer Science 2021-09-27 Linh Kästner , Johannes Cox , Teham Buiyan , Jens Lambrecht

Reinforcement learning (RL), particularly its combination with deep neural networks referred to as deep RL (DRL), has shown tremendous promise across a wide range of applications, suggesting its potential for enabling the development of…

Robotics · Computer Science 2024-09-17 Chen Tang , Ben Abbatematteo , Jiaheng Hu , Rohan Chandra , Roberto Martín-Martín , Peter Stone

Deep Reinforcement learning (DRL) is used to enable autonomous navigation in unknown environments. Most research assume perfect sensor data, but real-world environments may contain natural and artificial sensor noise and denial. Here, we…

Robotics · Computer Science 2024-10-21 Mariusz Wisniewski , Paraskevas Chatzithanos , Weisi Guo , Antonios Tsourdos

Demonstration-guided reinforcement learning (RL) is a promising approach for learning complex behaviors by leveraging both reward feedback and a set of target task demonstrations. Prior approaches for demonstration-guided RL treat every new…

Machine Learning · Computer Science 2021-07-22 Karl Pertsch , Youngwoon Lee , Yue Wu , Joseph J. Lim

Deep reinforcement learning (DRL) has exhibited considerable promise in the training of control agents for mapless robot navigation. However, DRL-trained agents are limited to the specific robot dimensions used during training, hindering…

Robotics · Computer Science 2024-10-30 Wei Zhang , Yunfeng Zhang , Ning Liu , Kai Ren

Deep reinforcement learning (DRL) augments the reinforcement learning framework, which learns a sequence of actions that maximizes the expected reward, with the representative power of deep neural networks. Recent works have demonstrated…

Image and Video Processing · Electrical Eng. & Systems 2021-03-10 S. Kevin Zhou , Hoang Ngan Le , Khoa Luu , Hien V. Nguyen , Nicholas Ayache

In this work, we propose a deep reinforcement learning (DRL) based reactive planner to solve large-scale Lidar-based autonomous robot exploration problems in 2D action space. Our DRL-based planner allows the agent to reactively plan its…

Robotics · Computer Science 2024-03-19 Yuhong Cao , Rui Zhao , Yizhuo Wang , Bairan Xiang , Guillaume Sartoretti

Deep reinforcement learning (DRL) has achieved groundbreaking successes in a wide variety of robotic applications. A natural consequence is the adoption of this paradigm for safety-critical tasks, where human safety and expensive hardware…

Robotics · Computer Science 2022-06-22 Davide Corsi , Raz Yerushalmi , Guy Amir , Alessandro Farinelli , David Harel , Guy Katz

Understanding and following directions provided by humans can enable robots to navigate effectively in unknown situations. We present FollowNet, an end-to-end differentiable neural architecture for learning multi-modal navigation policies.…

Robotics · Computer Science 2018-09-20 Pararth Shah , Marek Fiser , Aleksandra Faust , J. Chase Kew , Dilek Hakkani-Tur

In recent years, the growing demand for more intelligent service robots is pushing the development of mobile robot navigation algorithms to allow safe and efficient operation in a dense crowd. Reinforcement learning (RL) approaches have…

Robotics · Computer Science 2024-10-28 Keyu Li , Ye Lu , Max Q. -H. Meng

In this paper, we present an autonomous navigation system for goal-driven exploration of unknown environments through deep reinforcement learning (DRL). Points of interest (POI) for possible navigation directions are obtained from the…

Robotics · Computer Science 2021-09-10 Reinis Cimurs , Il Hong Suh , Jin Han Lee

Reinforcement Learning (RL) is a machine learning framework for artificially intelligent systems to solve a variety of complex problems. Recent years has seen a surge of successes solving challenging games and smaller domain problems,…

Robotics · Computer Science 2020-01-28 Florian Richter , Ryan K. Orosco , Michael C. Yip

Autonomous robots must navigate and operate in diverse environments, from terrestrial and aquatic settings to aerial and space domains. While Reinforcement Learning (RL) has shown promise in training policies for specific autonomous robots,…

Purpose: Autonomous systems in mechanical thrombectomy (MT) hold promise for reducing procedure times, minimizing radiation exposure, and enhancing patient safety. However, current reinforcement learning (RL) methods only reach the carotid…

This paper explores the method of achieving autonomous navigation of unmanned vehicles through Deep Reinforcement Learning (DRL). The focus is on using the Deep Deterministic Policy Gradient (DDPG) algorithm to address issues in…

Robotics · Computer Science 2024-07-30 Letian Xu , Jiabei Liu , Haopeng Zhao , Tianyao Zheng , Tongzhou Jiang , Lipeng Liu
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