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Hierarchical reinforcement learning (HRL) addresses complex long-horizon tasks by skillfully decomposing them into subgoals. Therefore, the effectiveness of HRL is greatly influenced by subgoal reachability. Typical HRL methods only…

Machine Learning · Computer Science 2024-06-27 Yu Luo , Fuchun Sun , Tianying Ji , Xianyuan Zhan

Reinforcement learning-based mapless navigation holds significant potential. However, it faces challenges in indoor environments with local minima area. This paper introduces a safe mapless navigation framework utilizing hierarchical…

Robotics · Computer Science 2025-03-18 Jianqi Gao , Xizheng Pang , Qi Liu , Yanjie Li

Large Language Models (LLMs) have demonstrated remarkable abilities in various language tasks, making them promising candidates for decision-making in robotics. Inspired by Hierarchical Reinforcement Learning (HRL), we propose…

Robotics · Computer Science 2024-10-07 Chuanneng Sun , Songjun Huang , Dario Pompili

Deep reinforcement learning (RL) is computationally demanding and requires processing of many data points. Synchronous methods enjoy training stability while having lower data throughput. In contrast, asynchronous methods achieve high…

Machine Learning · Computer Science 2020-12-18 Iou-Jen Liu , Raymond A. Yeh , Alexander G. Schwing

Hierarchical reinforcement learning has been a compelling approach for achieving goal directed behavior over long sequences of actions. However, it has been challenging to implement in realistic or open-ended environments. A main challenge…

Machine Learning · Computer Science 2023-09-22 Arun Ahuja , Kavya Kopparapu , Rob Fergus , Ishita Dasgupta

Reinforcement Learning (RL) is increasingly utilized to enhance the reasoning capabilities of Large Language Models (LLMs). However, effectively scaling these RL methods presents significant challenges, primarily due to the difficulty in…

Machine Learning · Computer Science 2025-09-30 Alexandre Piché , Ehsan Kamalloo , Rafael Pardinas , Xiaoyin Chen , Dzmitry Bahdanau

This article proposes a model-based deep reinforcement learning (DRL) method to design emergency control strategies for short-term voltage stability problems in power systems. Recent advances show promising results in model-free DRL-based…

Systems and Control · Electrical Eng. & Systems 2022-12-07 Ramij R. Hossain , Tianzhixi Yin , Yan Du , Renke Huang , Jie Tan , Wenhao Yu , Yuan Liu , Qiuhua Huang

In distributed optimization, the practical problem-solving performance is essentially sensitive to algorithm selection, parameter setting, problem type and data pattern. Thus, it is often laborious to acquire a highly efficient method for a…

Optimization and Control · Mathematics 2024-01-04 Daokuan Zhu , Tianqi Xu , Jie Lu

Fine-tuning foundation models via reinforcement learning (RL) has proven promising for aligning to downstream objectives. In the case of diffusion models (DMs), though RL training improves alignment from early timesteps, critical issues…

Machine Learning · Statistics 2024-10-14 Roberto Barceló , Cristóbal Alcázar , Felipe Tobar

In today's rapidly evolving military landscape, advancing artificial intelligence (AI) in support of wargaming becomes essential. Despite reinforcement learning (RL) showing promise for developing intelligent agents, conventional RL faces…

Machine Learning · Computer Science 2024-08-27 Scotty Black

Planning safe trajectories under uncertain and dynamic conditions makes the autonomous driving problem significantly complex. Current sampling-based methods such as Rapidly Exploring Random Trees (RRTs) are not ideal for this problem…

Robotics · Computer Science 2020-11-11 Kaleb Ben Naveed , Zhiqian Qiao , John M. Dolan

Reinforcement learning (RL) techniques have been developed to optimize industrial cooling systems, offering substantial energy savings compared to traditional heuristic policies. A major challenge in industrial control involves learning…

Machine Learning · Computer Science 2022-09-20 William Wong , Praneet Dutta , Octavian Voicu , Yuri Chervonyi , Cosmin Paduraru , Jerry Luo

A key barrier to using reinforcement learning (RL) in many real-world applications is the requirement of a large number of system interactions to learn a good control policy. Off-policy and Offline RL methods have been proposed to reduce…

Machine Learning · Computer Science 2022-12-02 Wenqi Cui , Linbin Huang , Weiwei Yang , Baosen Zhang

Generative models have made significant progress in synthesizing visual content, including images, videos, and 3D/4D structures. However, they are typically trained with surrogate objectives such as likelihood or reconstruction loss, which…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yuanzhi Liang , Yijie Fang , Ke Hao , Rui Li , Ziqi Ni , Ruijie Su , Chi Zhang

We introduce a deep reinforcement learning (DRL) approach for solving management problems including inventory management, dynamic pricing, and recommendation. This DRL approach has the potential to lead to a large management model based on…

Artificial Intelligence · Computer Science 2024-03-04 Jinyang Jiang , Xiaotian Liu , Tao Ren , Qinghao Wang , Yi Zheng , Yufu Du , Yijie Peng , Cheng Zhang

In 5G non-standalone mode, an intelligent traffic steering mechanism can vastly aid in ensuring smooth user experience by selecting the best radio access technology (RAT) from a multi-RAT environment for a specific traffic flow. In this…

Networking and Internet Architecture · Computer Science 2023-01-20 Md Arafat Habib , Hao Zhou , Pedro Enrique Iturria-Rivera , Medhat Elsayed , Majid Bavand , Raimundas Gaigalas , Yigit Ozcan , Melike Erol-Kantarci

Hierarchical agents have the potential to solve sequential decision making tasks with greater sample efficiency than their non-hierarchical counterparts because hierarchical agents can break down tasks into sets of subtasks that only…

Artificial Intelligence · Computer Science 2019-09-05 Andrew Levy , George Konidaris , Robert Platt , Kate Saenko

Reinforcement learning (RL) is a framework to optimize a control policy using rewards that are revealed by the system as a response to a control action. In its standard form, RL involves a single agent that uses its policy to accomplish a…

Systems and Control · Electrical Eng. & Systems 2021-11-24 Juan Cervino , Juan Andres Bazerque , Miguel Calvo-Fullana , Alejandro Ribeiro

Deep reinforcement learning (DRL) algorithms and evolution strategies (ES) have been applied to various tasks, showing excellent performances. These have the opposite properties, with DRL having good sample efficiency and poor stability,…

Machine Learning · Computer Science 2021-04-06 Kyunghyun Lee , Byeong-Uk Lee , Ukcheol Shin , In So Kweon

We study the offline meta-reinforcement learning (OMRL) problem, a paradigm which enables reinforcement learning (RL) algorithms to quickly adapt to unseen tasks without any interactions with the environments, making RL truly practical in…

Machine Learning · Computer Science 2021-05-07 Lanqing Li , Rui Yang , Dijun Luo