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Traditional offline reinforcement learning (RL) methods predominantly operate in a batch-constrained setting. This confines the algorithms to a specific state-action distribution present in the dataset, reducing the effects of…

Machine Learning · Statistics 2025-07-16 Charles A. Hepburn , Yue Jin , Giovanni Montana

Offline reinforcement learning (offline RL), which aims to find an optimal policy from a previously collected static dataset, bears algorithmic difficulties due to function approximation errors from out-of-distribution (OOD) data points. To…

Machine Learning · Computer Science 2021-10-06 Gaon An , Seungyong Moon , Jang-Hyun Kim , Hyun Oh Song

Robust reinforcement learning (Robust RL) seeks to handle epistemic uncertainty in environment dynamics, but existing approaches often rely on nested min--max optimization, which is computationally expensive and yields overly conservative…

Machine Learning · Computer Science 2025-10-15 Chenliang Li , Junyu Leng , Jiaxiang Li , Youbang Sun , Shixiang Chen , Shahin Shahrampour , Alfredo Garcia

Recent advance in deep offline reinforcement learning (RL) has made it possible to train strong robotic agents from offline datasets. However, depending on the quality of the trained agents and the application being considered, it is often…

Robotics · Computer Science 2021-11-02 Seunghyun Lee , Younggyo Seo , Kimin Lee , Pieter Abbeel , Jinwoo Shin

Offline Reinforcement Learning (ORL) offers a robust solution to training agents in applications where interactions with the environment must be strictly limited due to cost, safety, or lack of accurate simulation environments. Despite its…

Machine Learning · Computer Science 2024-07-16 Carlo Romeo , Andrew D. Bagdanov

Offline reinforcement learning proposes to learn policies from large collected datasets without interacting with the physical environment. These algorithms have made it possible to learn useful skills from data that can then be deployed in…

Machine Learning · Computer Science 2021-07-06 Samarth Sinha , Ajay Mandlekar , Animesh Garg

Sample efficiency and exploration remain critical challenges in Deep Reinforcement Learning (DRL), particularly in complex domains. Offline RL, which enables agents to learn optimal policies from static, pre-collected datasets, has emerged…

Machine Learning · Computer Science 2025-12-23 Gaurav Chaudhary , Wassim Uddin Mondal , Laxmidhar Behera

A prevailing approach for learning visuomotor policies is to employ reinforcement learning to map high-dimensional visual observations directly to action commands. However, the combination of high-dimensional visual inputs and agile…

Robotics · Computer Science 2025-10-08 Yuhang Zhang , Jiaping Xiao , Chao Yan , Mir Feroskhan

Many advances that have improved the robustness and efficiency of deep reinforcement learning (RL) algorithms can, in one way or another, be understood as introducing additional objectives or constraints in the policy optimization step.…

Reinforcement learning algorithms are typically designed for discrete-time dynamics, even though the underlying real-world control systems are often continuous in time. In this paper, we study the problem of continuous-time reinforcement…

Machine Learning · Computer Science 2026-03-03 Klemens Iten , Lenart Treven , Bhavya Sukhija , Florian Dörfler , Andreas Krause

Offline reinforcement learning (ORL) holds great promise for robot learning due to its ability to learn from arbitrary pre-generated experience. However, current ORL benchmarks are almost entirely in simulation and utilize contrived…

Robotics · Computer Science 2022-10-14 Gaoyue Zhou , Liyiming Ke , Siddhartha Srinivasa , Abhinav Gupta , Aravind Rajeswaran , Vikash Kumar

Offline reinforcement learning (RL) aims to learn a policy using only pre-collected and fixed data. Although avoiding the time-consuming online interactions in RL, it poses challenges for out-of-distribution (OOD) state actions and often…

Machine Learning · Computer Science 2023-06-23 Jinxin Liu , Ziqi Zhang , Zhenyu Wei , Zifeng Zhuang , Yachen Kang , Sibo Gai , Donglin Wang

Training Reinforcement Learning (RL) agents in high-stakes applications might be too prohibitive due to the risk associated to exploration. Thus, the agent can only use data previously collected by safe policies. While previous work…

Machine Learning · Computer Science 2021-02-11 Núria Armengol Urpí , Sebastian Curi , Andreas Krause

Offline reinforcement learning (RL) presents distinct challenges as it relies solely on observational data. A central concern in this context is ensuring the safety of the learned policy by quantifying uncertainties associated with various…

Machine Learning · Computer Science 2025-07-03 Xiaocong Chen , Siyu Wang , Tong Yu , Lina Yao

Many practical applications of reinforcement learning (RL) constrain the agent to learn from a fixed offline dataset of logged interactions, which has already been gathered, without offering further possibility for data collection. However,…

Machine Learning · Computer Science 2021-07-06 Zizhou Su

Offline Reinforcement Learning (RL) is a promising approach for learning optimal policies in environments where direct exploration is expensive or unfeasible. However, the adoption of such policies in practice is often challenging, as they…

Machine Learning · Computer Science 2020-11-03 Aaron Sonabend-W , Junwei Lu , Leo A. Celi , Tianxi Cai , Peter Szolovits

Recent years have witnessed significant advancements in offline reinforcement learning (RL), resulting in the development of numerous algorithms with varying degrees of complexity. While these algorithms have led to noteworthy improvements,…

Machine Learning · Computer Science 2023-10-25 Denis Tarasov , Vladislav Kurenkov , Alexander Nikulin , Sergey Kolesnikov

Offline reinforcement learning (RL) aims to learn from historical data without requiring (costly) access to the environment. To facilitate offline RL research, we previously introduced NeoRL, which highlighted that datasets from real-world…

Machine Learning · Computer Science 2025-03-26 Songyi Gao , Zuolin Tu , Rong-Jun Qin , Yi-Hao Sun , Xiong-Hui Chen , Yang Yu

Offline Reinforcement Learning (ORL) enablesus to separately study the two interlinked processes of reinforcement learning: collecting informative experience and inferring optimal behaviour. The second step has been widely studied in the…

Connected and Automated Hybrid Electric Vehicles have the potential to reduce fuel consumption and travel time in real-world driving conditions. The eco-driving problem seeks to design optimal speed and power usage profiles based upon…

Machine Learning · Computer Science 2022-02-01 Zhaoxuan Zhu , Nicola Pivaro , Shobhit Gupta , Abhishek Gupta , Marcello Canova