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Reinforcement Learning (RL) agents require the specification of a reward signal for learning behaviours. However, introduction of corrupt or stochastic rewards can yield high variance in learning. Such corruption may be a direct result of…

Machine Learning · Computer Science 2018-11-09 Joshua Romoff , Peter Henderson , Alexandre Piché , Vincent Francois-Lavet , Joelle Pineau

We present a general, two-stage reinforcement learning approach to create robust policies that can be deployed on real robots without any additional training using a single demonstration generated by trajectory optimization. The…

Robotics · Computer Science 2022-01-25 Miroslav Bogdanovic , Majid Khadiv , Ludovic Righetti

Developing an autonomous vehicle control strategy for signalised intersections (SI) is one of the challenging tasks due to its inherently complex decision-making process. This study proposes a Deep Reinforcement Learning (DRL) based…

Artificial Intelligence · Computer Science 2025-05-15 Pankaj Kumar , Aditya Mishra , Pranamesh Chakraborty , Subrahmanya Swamy Peruru

Strategic aggregation of electric vehicle batteries as energy reservoirs can optimize power grid demand, benefiting smart and connected communities, especially large office buildings that offer workplace charging. This involves optimizing…

Machine Learning · Computer Science 2025-02-27 Fangqi Liu , Rishav Sen , Jose Paolo Talusan , Ava Pettet , Aaron Kandel , Yoshinori Suzue , Ayan Mukhopadhyay , Abhishek Dubey

Shifting from traditional control strategies to Deep Reinforcement Learning (RL) for legged robots poses inherent challenges, especially when addressing real-world physical constraints during training. While high-fidelity simulations…

Robotics · Computer Science 2023-09-28 Joonho Lee , Lukas Schroth , Victor Klemm , Marko Bjelonic , Alexander Reske , Marco Hutter

Recent work has shown that reinforcement learning (RL) is a promising approach to control dynamical systems described by partial differential equations (PDE). This paper shows how to use RL to tackle more general PDE control problems that…

Machine Learning · Computer Science 2018-06-20 Yangchen Pan , Amir-massoud Farahmand , Martha White , Saleh Nabi , Piyush Grover , Daniel Nikovski

Deep Reinforcement Learning has enabled the control of increasingly complex and high-dimensional problems. However, the need of vast amounts of data before reasonable performance is attained prevents its widespread application. We employ…

Machine Learning · Computer Science 2020-04-08 Jan Scholten , Daan Wout , Carlos Celemin , Jens Kober

We propose an actor-critic, model-free, and online Reinforcement Learning (RL) framework for continuous-state continuous-action Markov Decision Processes (MDPs) when the reward is highly sparse but encompasses a high-level temporal…

Machine Learning · Computer Science 2019-11-26 Lim Zun Yuan , Mohammadhosein Hasanbeig , Alessandro Abate , Daniel Kroening

We present a deep reinforcement learning (deep RL) algorithm that consists of learning-based motion planning and imitation to tackle challenging control problems. Deep RL has been an effective tool for solving many high-dimensional…

Robotics · Computer Science 2023-03-02 Nitish Sontakke , Sehoon Ha

Automating robotic surgery via learning from demonstration (LfD) techniques is extremely challenging. This is because surgical tasks often involve sequential decision-making processes with complex interactions of physical objects and have…

Robotics · Computer Science 2024-10-11 Zohre Karimi , Shing-Hei Ho , Bao Thach , Alan Kuntz , Daniel S. Brown

Recent advances in robotic foundation models have enabled the development of generalist policies that can adapt to diverse tasks. While these models show impressive flexibility, their performance heavily depends on the quality of their…

Robotics · Computer Science 2024-12-16 Charles Xu , Qiyang Li , Jianlan Luo , Sergey Levine

Reinforcement learning has steadily improved and outperform human in lots of traditional games since the resurgence of deep neural network. However, these success is not easy to be copied to autonomous driving because the state spaces in…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Sen Wang , Daoyuan Jia , Xinshuo Weng

Machine learning and specifically reinforcement learning (RL) has been extremely successful in helping us to understand neural decision making processes. However, RL's role in understanding other neural processes especially motor learning…

Neurons and Cognition · Quantitative Biology 2022-08-29 Michele Garibbo , Casimir Ludwig , Nathan Lepora , Laurence Aitchison

Learning with sparse rewards remains a significant challenge in reinforcement learning (RL), especially when the aim is to train a policy capable of achieving multiple different goals. To date, the most successful approaches for dealing…

Machine Learning · Computer Science 2020-06-02 Henry Charlesworth , Giovanni Montana

Reinforcement learning (RL) promises a framework for near-universal problem-solving. In practice however, RL algorithms are often tailored to specific benchmarks, relying on carefully tuned hyperparameters and algorithmic choices. Recently,…

Machine Learning · Computer Science 2025-01-28 Scott Fujimoto , Pierluca D'Oro , Amy Zhang , Yuandong Tian , Michael Rabbat

This study considers multiple reconfigurable intelligent surfaces (RISs)-aided multiuser downlink systems with the goal of jointly optimizing the transmitter precoding and RIS phase shift matrix to maximize spectrum efficiency. Unlike prior…

Information Theory · Computer Science 2025-10-01 Po-Heng Chou , Bo-Ren Zheng , Wan-Jen Huang , Walid Saad , Yu Tsao , Ronald Y. Chang

Reward function design and exploration time are arguably the biggest obstacles to the deployment of reinforcement learning (RL) agents in the real world. In many real-world tasks, designing a reward function takes considerable hand…

Computer Vision and Pattern Recognition · Computer Science 2017-06-14 Pierre Sermanet , Kelvin Xu , Sergey Levine

Deep Reinforcement Learning is a promising paradigm for robotic control which has been shown to be capable of learning policies for high-dimensional, continuous control of unmodeled systems. However, RoboticReinforcement Learning currently…

Robotics · Computer Science 2019-09-23 W. Cannon Lewis , Mark Moll , Lydia E. Kavraki

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

In this paper, We Apply Reinforcement learning (RL) techniques to train a realistic biomechanical model to work with different people and on different walking environments. We benchmarking 3 RL algorithms: Deep Deterministic Policy Gradient…

Artificial Intelligence · Computer Science 2019-01-16 Montaser Mohammedalamen , Waleed D. Khamies , Benjamin Rosman