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We study how a Reinforcement Learning (RL) system can remain sample-efficient when learning from an imperfect model of the environment. This is particularly challenging when the learning system is resource-constrained and in continual…

机器学习 · 计算机科学 2024-07-01 Bradley Burega , John D. Martin , Luke Kapeluck , Michael Bowling

Operating under real world conditions is challenging due to the possibility of a wide range of failures induced by execution errors and state uncertainty. In relatively benign settings, such failures can be overcome by retrying or executing…

机器人学 · 计算机科学 2023-03-10 Shivam Vats , Maxim Likhachev , Oliver Kroemer

Standard meta-learning for representation learning aims to find a common representation to be shared across multiple tasks. The effectiveness of these methods is often limited when the nuances of the tasks' distribution cannot be captured…

机器学习 · 计算机科学 2021-03-31 Giulia Denevi , Massimiliano Pontil , Carlo Ciliberto

Decision-making in complex, continuous multi-task environments is often hindered by the difficulty of obtaining accurate models for planning and the inefficiency of learning purely from trial and error. While precise environment dynamics…

机器学习 · 计算机科学 2025-03-20 Jeff Jewett , Sandhya Saisubramanian

The ability to exploit prior experience to solve novel problems rapidly is a hallmark of biological learning systems and of great practical importance for artificial ones. In the meta reinforcement learning literature much recent work has…

Meta-learning is a branch of machine learning which aims to quickly adapt models, such as neural networks, to perform new tasks by learning an underlying structure across related tasks. In essence, models are being trained to learn new…

A crucial challenge in reinforcement learning is to reduce the number of interactions with the environment that an agent requires to master a given task. Transfer learning proposes to address this issue by re-using knowledge from previously…

机器学习 · 计算机科学 2023-04-28 Remo Sasso , Matthia Sabatelli , Marco A. Wiering

Designing a stabilizing controller for nonlinear systems is a challenging task, especially for high-dimensional problems with unknown dynamics. Traditional reinforcement learning algorithms applied to stabilization tasks tend to drive the…

系统与控制 · 电气工程与系统科学 2024-09-16 Thanin Quartz , Ruikun Zhou , Hans De Sterck , Jun Liu

Despite significant progress, deep reinforcement learning (RL) suffers from data-inefficiency and limited generalization. Recent efforts apply meta-learning to learn a meta-learner from a set of RL tasks such that a novel but related task…

机器学习 · 计算机科学 2019-06-05 Lin Lan , Zhenguo Li , Xiaohong Guan , Pinghui Wang

In recent years deep reinforcement learning (RL) systems have attained superhuman performance in a number of challenging task domains. However, a major limitation of such applications is their demand for massive amounts of training data. A…

Autonomous robots require high degrees of cognitive and motoric intelligence to come into our everyday life. In non-structured environments and in the presence of uncertainties, such degrees of intelligence are not easy to obtain.…

In meta-learning and its downstream tasks, many methods rely on implicit adaptation to task variations, where multiple factors are mixed together in a single entangled representation. This makes it difficult to interpret which factors drive…

机器人学 · 计算机科学 2025-09-03 Seonsoo Kim , Jun-Gill Kang , Taehong Kim , Seongil Hong

In this paper, we propose an adaptive event-triggered reinforcement learning control for continuous-time nonlinear systems, subject to bounded uncertainties, characterized by complex interactions. Specifically, the proposed method is…

机器学习 · 计算机科学 2024-10-01 Umer Siddique , Abhinav Sinha , Yongcan Cao

In many real-world scenarios, Reinforcement Learning (RL) algorithms are trained on data with dynamics shift, i.e., with different underlying environment dynamics. A majority of current methods address such issue by training context…

机器学习 · 计算机科学 2024-02-23 Zhenghai Xue , Qingpeng Cai , Shuchang Liu , Dong Zheng , Peng Jiang , Kun Gai , Bo An

An important goal in reinforcement learning is to create agents that can quickly adapt to new goals while avoiding situations that might cause damage to themselves or their environments. One way agents learn is through exploration…

机器学习 · 计算机科学 2020-05-08 Djordje Grbic , Sebastian Risi

Reinforcement learning has received high research interest for developing planning approaches in automated driving. Most prior works consider the end-to-end planning task that yields direct control commands and rarely deploy their algorithm…

机器人学 · 计算机科学 2023-07-31 Marvin Klimke , Benjamin Völz , Michael Buchholz

We propose a method for tackling catastrophic forgetting in deep reinforcement learning that is \textit{agnostic} to the timescale of changes in the distribution of experiences, does not require knowledge of task boundaries, and can adapt…

机器学习 · 计算机科学 2019-06-18 Christos Kaplanis , Murray Shanahan , Claudia Clopath

This paper demonstrates that continual relearning of control policies using incremental deep reinforcement learning (RL) can improve policy learning for non-stationary processes. We demonstrate this approach for a data-driven 'smart…

机器学习 · 计算机科学 2020-08-06 Avisek Naug , Marcos Quiñones-Grueiro , Gautam Biswas

Deep Reinforcement Learning has shown its ability in solving complicated problems directly from high-dimensional observations. However, in end-to-end settings, Reinforcement Learning algorithms are not sample-efficient and requires long…

机器学习 · 计算机科学 2021-07-06 Nicolò Botteghi , Mannes Poel , Beril Sirmacek , Christoph Brune

In a multi-agent setting, the optimal policy of a single agent is largely dependent on the behavior of other agents. We investigate the problem of multi-agent reinforcement learning, focusing on decentralized learning in non-stationary…

人工智能 · 计算机科学 2019-10-01 Anahita Mohseni-Kabir , David Isele , Kikuo Fujimura