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We investigated the application of haptic feedback control and deep reinforcement learning (DRL) to robot-assisted dressing. Our method uses DRL to simultaneously train human and robot control policies as separate neural networks using…

机器人学 · 计算机科学 2019-12-20 Alexander Clegg , Zackory Erickson , Patrick Grady , Greg Turk , Charles C. Kemp , C. Karen Liu

Recent work has shown that augmenting environments with language descriptions improves policy learning. However, for environments with complex language abstractions, learning how to ground language to observations is difficult due to…

机器学习 · 计算机科学 2022-10-04 Victor Zhong , Jesse Mu , Luke Zettlemoyer , Edward Grefenstette , Tim Rocktäschel

The framework of deep reinforcement learning (DRL) provides a powerful and widely applicable mathematical formalization for sequential decision-making. This paper present a novel DRL framework, termed \emph{$f$-Divergence Reinforcement…

机器学习 · 计算机科学 2021-12-15 Chen Gong , Qiang He , Yunpeng Bai , Zhou Yang , Xiaoyu Chen , Xinwen Hou , Xianjie Zhang , Yu Liu , Guoliang Fan

Deep reinforcement learning is an effective tool to learn robot control policies from scratch. However, these methods are notorious for the enormous amount of required training data which is prohibitively expensive to collect on real…

机器学习 · 计算机科学 2021-12-07 Julien Brosseit , Benedikt Hahner , Fabio Muratore , Michael Gienger , Jan Peters

Autonomous car racing is a challenging task in the robotic control area. Traditional modular methods require accurate mapping, localization and planning, which makes them computationally inefficient and sensitive to environmental changes.…

机器人学 · 计算机科学 2021-07-20 Peide Cai , Hengli Wang , Huaiyang Huang , Yuxuan Liu , Ming Liu

Model-free reinforcement learning has been successfully applied to a range of challenging problems, and has recently been extended to handle large neural network policies and value functions. However, the sample complexity of model-free…

机器学习 · 计算机科学 2016-03-03 Shixiang Gu , Timothy Lillicrap , Ilya Sutskever , Sergey Levine

Providing a suitable reward function to reinforcement learning can be difficult in many real world applications. While inverse reinforcement learning (IRL) holds promise for automatically learning reward functions from demonstrations,…

机器学习 · 计算机科学 2019-10-29 Lantao Yu , Tianhe Yu , Chelsea Finn , Stefano Ermon

While Deep Reinforcement Learning (DRL) has emerged as a promising approach to many complex tasks, it remains challenging to train a single DRL agent that is capable of undertaking multiple different continuous control tasks. In this paper,…

机器学习 · 计算机科学 2020-10-19 Zhiyuan Xu , Kun Wu , Zhengping Che , Jian Tang , Jieping Ye

This work presents a case study of a learning-based approach for target driven map-less navigation. The underlying navigation model is an end-to-end neural network which is trained using a combination of expert demonstrations, imitation…

机器人学 · 计算机科学 2018-09-03 Mark Pfeiffer , Samarth Shukla , Matteo Turchetta , Cesar Cadena , Andreas Krause , Roland Siegwart , Juan Nieto

Humans generally teach their fellow collaborators to perform tasks through a small number of demonstrations. The learnt task is corrected or extended to meet specific task goals by means of coaching. Adopting a similar framework for…

Reinforcement Learning (RL) is increasingly applied to large-scale decision-making problems like logistics, scheduling, and recommender systems, but existing algorithms struggle with the curse of dimensionality in such large discrete action…

机器学习 · 计算机科学 2026-05-12 Heiko Hoppe , Fabian Akkerman , Wouter van Heeswijk , Maximilian Schiffer

Reinforcement Learning (RL) or Deep Reinforcement Learning (DRL) is a powerful approach to solving Markov Decision Processes (MDPs) when the model of the environment is not known a priori. However, RL models are still faced with challenges…

系统与控制 · 电气工程与系统科学 2024-06-04 Kabirat Olayemi , Mien Van , Luke Maguire , Sean McLoone

In recent years, significant progress has been made in the field of robotic reinforcement learning (RL), enabling methods that handle complex image observations, train in the real world, and incorporate auxiliary data, such as…

Model-based reinforcement learning (RL) has proven to be a data efficient approach for learning control tasks but is difficult to utilize in domains with complex observations such as images. In this paper, we present a method for learning…

机器学习 · 计算机科学 2019-06-25 Marvin Zhang , Sharad Vikram , Laura Smith , Pieter Abbeel , Matthew J. Johnson , Sergey Levine

Meta-reinforcement learning (Meta-RL) facilitates rapid adaptation to unseen tasks but faces challenges in long-horizon environments. Skill-based approaches tackle this by decomposing state-action sequences into reusable skills and…

机器学习 · 计算机科学 2026-05-21 Sanghyeon Lee , Sangjun Bae , Yisak Park , Seungyul Han

Deep reinforcement learning (DRL) has achieved groundbreaking successes in a wide variety of robotic applications. A natural consequence is the adoption of this paradigm for safety-critical tasks, where human safety and expensive hardware…

机器人学 · 计算机科学 2022-06-22 Davide Corsi , Raz Yerushalmi , Guy Amir , Alessandro Farinelli , David Harel , Guy Katz

Offline reinforcement learning (RL) offers a powerful paradigm for data-driven control. Compared to model-free approaches, offline model-based RL (MBRL) explicitly learns a world model from a static dataset and uses it as a surrogate…

机器学习 · 计算机科学 2026-02-02 Jiayu Chen , Le Xu , Aravind Venugopal , Jeff Schneider

There has recently been a surge in research in batch Deep Reinforcement Learning (DRL), which aims for learning a high-performing policy from a given dataset without additional interactions with the environment. We propose a new algorithm,…

机器学习 · 计算机科学 2020-11-03 Xinyue Chen , Zijian Zhou , Zheng Wang , Che Wang , Yanqiu Wu , Keith Ross

Robust real-world learning should benefit from both demonstrations and interactions with the environment. Current approaches to learning from demonstration and reward perform supervised learning on expert demonstration data and use…

人工智能 · 计算机科学 2019-05-31 Yang Gao , Huazhe Xu , Ji Lin , Fisher Yu , Sergey Levine , Trevor Darrell

Sample efficiency is one of the most critical issues for online reinforcement learning (RL). Existing methods achieve higher sample efficiency by adopting model-based methods, Q-ensemble, or better exploration mechanisms. We, instead,…

机器学习 · 计算机科学 2023-05-31 Jiafei Lyu , Le Wan , Zongqing Lu , Xiu Li