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Deep reinforcement learning (RL) is an optimization-driven framework for producing control strategies for general dynamical systems without explicit reliance on process models. Good results have been reported in simulation. Here we…

Systems and Control · Electrical Eng. & Systems 2022-01-14 Nathan P. Lawrence , Michael G. Forbes , Philip D. Loewen , Daniel G. McClement , Johan U. Backstrom , R. Bhushan Gopaluni

Deep Reinforcement Learning (DRL) has emerged as a powerful model-free paradigm for learning optimal policies. However, in navigation tasks with cluttered environments, DRL methods often suffer from insufficient exploration, especially…

Robotics · Computer Science 2025-07-04 Licheng Luo , Mingyu Cai

Deep Reinforcement Learning (DRL) has recently spread into a range of domains within physics and engineering, with multiple remarkable achievements. Still, much remains to be explored before the capabilities of these methods are well…

Computational Engineering, Finance, and Science · Computer Science 2020-12-22 Jonathan Viquerat , Jean Rabault , Alexander Kuhnle , Hassan Ghraieb , Aurélien Larcher , Elie Hachem

This paper investigates exploration strategies of Deep Reinforcement Learning (DRL) methods to learn navigation policies for mobile robots. In particular, we augment the normal external reward for training DRL algorithms with intrinsic…

Robotics · Computer Science 2018-05-15 Oleksii Zhelo , Jingwei Zhang , Lei Tai , Ming Liu , Wolfram Burgard

Autonomous Ground Vehicles (AGVs) are essential tools for a wide range of applications stemming from their ability to operate in hazardous environments with minimal human operator input. Effective motion planning is paramount for successful…

Robotics · Computer Science 2023-09-04 Shathushan Sivashangaran , Azim Eskandarian

Deep reinforcement learning (DRL) is a promising method to learn control policies for robots only from demonstration and experience. To cover the whole dynamic behaviour of the robot, DRL training is an active exploration process typically…

Formation and collision avoidance abilities are essential for multi-agent systems. Conventional methods usually require a central controller and global information to achieve collaboration, which is impractical in an unknown environment. In…

Robotics · Computer Science 2021-10-26 Xinyou Qiu , Xiaoxiang Li , Jian Wang , Yu Wang , Yuan Shen

Although deep reinforcement learning (deep RL) methods have lots of strengths that are favorable if applied to autonomous driving, real deep RL applications in autonomous driving have been slowed down by the modeling gap between the source…

Machine Learning · Computer Science 2018-12-11 Zhuo Xu , Chen Tang , Masayoshi Tomizuka

Deep reinforcement learning (DRL) has been demonstrated to be effective for several complex decision-making applications such as autonomous driving and robotics. However, DRL is notoriously limited by its high sample complexity and its lack…

Robotics · Computer Science 2022-05-19 Raphael Chekroun , Marin Toromanoff , Sascha Hornauer , Fabien Moutarde

Conventional off-policy reinforcement learning (RL) focuses on maximizing the expected return of scalar rewards. Distributional RL (DRL), in contrast, studies the distribution of returns with the distributional Bellman operator in a…

Machine Learning · Statistics 2024-08-15 Dong Neuck Lee , Michael R. Kosorok

Reinforcement learning (RL) algorithms can be divided into two classes: model-free algorithms, which are sample-inefficient, and model-based algorithms, which suffer from model bias. Dyna-style algorithms combine these two approaches by…

Machine Learning · Computer Science 2024-10-17 Yansong Li , Zeyu Dong , Ertai Luo , Yu Wu , Shuo Wu , Shuo Han

Overtaking on two-lane roads is a great challenge for autonomous vehicles, as oncoming traffic appearing on the opposite lane may require the vehicle to change its decision and abort the overtaking. Deep reinforcement learning (DRL) has…

Robotics · Computer Science 2023-08-21 Jinxiong Lu , Gokhan Alcan , Ville Kyrki

Offline reinforcement learning (RL) extends the paradigm of classical RL algorithms to purely learning from static datasets, without interacting with the underlying environment during the learning process. A key challenge of offline RL is…

Machine Learning · Computer Science 2022-06-16 Shentao Yang , Yihao Feng , Shujian Zhang , Mingyuan Zhou

Deep reinforcement learning (DRL) is a promising outer-loop intelligence paradigm which can deploy problem solving strategies for complex tasks. Consequently, DRL has been utilized for several scientific applications, specifically in cases…

Machine Learning · Computer Science 2023-04-05 Sahil Bhola , Suraj Pawar , Prasanna Balaprakash , Romit Maulik

Deep reinforcement learning (DRL) demonstrates great potential in mapless navigation domain. However, such a navigation model is normally restricted to a fixed configuration of the range sensor because its input format is fixed. In this…

Robotics · Computer Science 2021-03-12 Wei Zhang , Ning Liu , Yunfeng Zhang

A number of deep reinforcement-learning (RL) approaches propose to control traffic signals. In this work, we study the robustness of such methods along two axes. First, sensor failures and GPS occlusions create missing-data challenges and…

Machine Learning · Computer Science 2023-06-09 Tianyu Shi , Francois-Xavier Devailly , Denis Larocque , Laurent Charlin

This study proposes a framework for human-like autonomous car-following planning based on deep reinforcement learning (deep RL). Historical driving data are fed into a simulation environment where an RL agent learns from trial and error…

Machine Learning · Computer Science 2019-01-04 Meixin Zhu , Xuesong Wang , Yinhai Wang

Deep reinforcement learning (DRL) provides a promising way for learning navigation in complex autonomous driving scenarios. However, identifying the subtle cues that can indicate drastically different outcomes remains an open problem with…

Machine Learning · Computer Science 2021-03-25 Xiaobai Ma , Jiachen Li , Mykel J. Kochenderfer , David Isele , Kikuo Fujimura

We propose a novel framework for Deep Reinforcement Learning (DRL) in modular robotics using traditional robotic tools that extend state-of-the-art DRL implementations and provide an end-to-end approach which trains a robot directly from…

Robotics · Computer Science 2018-02-08 Risto Kojcev , Nora Etxezarreta , Alejandro Hernández , Víctor Mayoral

Preference-based reinforcement learning (PbRL) can enable robots to learn to perform tasks based on an individual's preferences without requiring a hand-crafted reward function. However, existing approaches either assume access to a…

Machine Learning · Computer Science 2024-02-13 Yi Liu , Gaurav Datta , Ellen Novoseller , Daniel S. Brown