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Hierarchical Reinforcement Learning (HRL) is well-suitedd for solving complex tasks by breaking them down into structured policies. However, HRL agents often struggle with efficient exploration and quick adaptation. To overcome these…

机器学习 · 计算机科学 2025-03-18 Arash Khajooeinejad , Fatemeh Sadat Masoumi , Masoumeh Chapariniya

Advanced vehicle control is a fundamental building block in the development of autonomous driving systems. Reinforcement learning (RL) promises to achieve control performance superior to classical approaches while keeping computational…

机器学习 · 计算机科学 2023-12-01 Bernd Frauenknecht , Tobias Ehlgen , Sebastian Trimpe

While deep reinforcement learning (RL) has fueled multiple high-profile successes in machine learning, it is held back from more widespread adoption by its often poor data efficiency and the limited generality of the policies it produces. A…

机器学习 · 计算机科学 2025-05-30 Jacob Beck , Risto Vuorio , Evan Zheran Liu , Zheng Xiong , Luisa Zintgraf , Chelsea Finn , Shimon Whiteson

Sampling-based model predictive control (MPC) has found significant success in optimal control problems with non-smooth system dynamics and cost function. Many machine learning-based works proposed to improve MPC by a) learning or…

机器学习 · 计算机科学 2024-01-08 Sungwook Yang , Chaoying Pei , Ran Dai , Chuangchuang Sun

Standard reinforcement learning (RL) optimizes policies for reward but imposes few constraints on how decisions evolve over time. As a result, policies may achieve high performance while exhibiting temporally incoherent behavior such as…

机器学习 · 计算机科学 2026-04-24 Sukesh Subaharan

A key challenge of continual reinforcement learning (CRL) in dynamic environments is to promptly adapt the RL agent's behavior as the environment changes over its lifetime, while minimizing the catastrophic forgetting of the learned…

机器学习 · 计算机科学 2023-05-25 Tiantian Zhang , Zichuan Lin , Yuxing Wang , Deheng Ye , Qiang Fu , Wei Yang , Xueqian Wang , Bin Liang , Bo Yuan , Xiu Li

Credit assignment in Meta-reinforcement learning (Meta-RL) is still poorly understood. Existing methods either neglect credit assignment to pre-adaptation behavior or implement it naively. This leads to poor sample-efficiency during…

机器学习 · 计算机科学 2022-02-14 Jonas Rothfuss , Dennis Lee , Ignasi Clavera , Tamim Asfour , Pieter Abbeel

Reinforcement Learning (RL) is a method for learning decision-making tasks that could enable robots to learn and adapt to their situation on-line. For an RL algorithm to be practical for robotic control tasks, it must learn in very few…

人工智能 · 计算机科学 2015-03-19 Todd Hester , Michael Quinlan , Peter Stone

Reinforcement learning is an emerging approaches to facilitate multi-stage sequential decision-making problems. This paper studies a real-time multi-stage stochastic power dispatch considering multivariate uncertainties. Current researches…

机器学习 · 计算机科学 2024-01-24 Bairong Deng , Tao Yu , Zhenning Pan , Xuehan Zhang , Yufeng Wu , Qiaoyi Ding

This paper presents a model-free reinforcement learning (RL) algorithm to solve the risk-averse optimal control (RAOC) problem for discrete-time nonlinear systems. While successful RL algorithms have been presented to learn optimal control…

系统与控制 · 电气工程与系统科学 2021-03-29 Yuzhen Han , Majid Mazouchi , Subramanya Nageshrao , Hamidreza Modares

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…

机器学习 · 计算机科学 2024-02-13 Yi Liu , Gaurav Datta , Ellen Novoseller , Daniel S. Brown

Predictive autoscaling (autoscaling with workload forecasting) is an important mechanism that supports autonomous adjustment of computing resources in accordance with fluctuating workload demands in the Cloud. In recent works, Reinforcement…

Existing offline reinforcement learning (RL) methods face a few major challenges, particularly the distributional shift between the learned policy and the behavior policy. Offline Meta-RL is emerging as a promising approach to address these…

机器学习 · 计算机科学 2022-07-14 Sen Lin , Jialin Wan , Tengyu Xu , Yingbin Liang , Junshan Zhang

This paper introduces the offline meta-reinforcement learning (offline meta-RL) problem setting and proposes an algorithm that performs well in this setting. Offline meta-RL is analogous to the widely successful supervised learning strategy…

机器学习 · 计算机科学 2021-07-22 Eric Mitchell , Rafael Rafailov , Xue Bin Peng , Sergey Levine , Chelsea Finn

Meta-Reinforcement Learning (Meta-RL) enables fast adaptation to new testing tasks. Despite recent advancements, it is still challenging to learn performant policies across multiple complex and high-dimensional tasks. To address this, we…

机器学习 · 计算机科学 2024-12-17 Minjae Cho , Chuangchuang Sun

Meta reinforcement learning (Meta RL) has been amply explored to quickly learn an unseen task by transferring previously learned knowledge from similar tasks. However, most state-of-the-art algorithms require the meta-training tasks to have…

机器学习 · 计算机科学 2023-11-14 Lu Wen , Songan Zhang , H. Eric Tseng , Huei Peng

Although deep reinforcement learning has recently been very successful at learning complex behaviors, it requires a tremendous amount of data to learn a task. One of the fundamental reasons causing this limitation lies in the nature of the…

机器人学 · 计算机科学 2022-09-19 Zhenshan Bing , Alexander Koch , Xiangtong Yao , Kai Huang , Alois Knoll

Meta Reinforcement Learning (Meta-RL) has seen substantial advancements recently. In particular, off-policy methods were developed to improve the data efficiency of Meta-RL techniques. \textit{Probabilistic embeddings for actor-critic RL}…

机器学习 · 计算机科学 2023-02-10 Lu Wen , Songan Zhang , H. Eric Tseng , Baljeet Singh , Dimitar Filev , Huei Peng

Model-based meta-reinforcement learning (RL) methods have recently been shown to be a promising approach to improving the sample efficiency of RL in multi-task settings. However, the theoretical understanding of those methods is yet to be…

机器学习 · 计算机科学 2021-10-12 Takuya Hiraoka , Takahisa Imagawa , Voot Tangkaratt , Takayuki Osa , Takashi Onishi , Yoshimasa Tsuruoka

This paper discusses an Enhanced Model-Agnostic Meta-Learning (E-MAML) algorithm that generates fast convergence of the policy function from a small number of training examples when applied to new learning tasks. Built on top of…

机器学习 · 计算机科学 2020-12-14 Ibrahim Ahmed , Marcos Quinones-Grueiro , Gautam Biswas