中文
相关论文

相关论文: MOSEAC: Streamlined Variable Time Step Reinforceme…

200 篇论文

Reinforcement Learning (RL) of contact-rich manipulation tasks has yielded impressive results in recent years. While many studies in RL focus on varying the observation space or reward model, few efforts focused on the choice of action…

Reinforcement learning (RL) has shown remarkable success in solving complex decision-making and control tasks. However, many model-free RL algorithms experience performance degradation due to inaccurate value estimation, particularly the…

机器学习 · 计算机科学 2025-08-07 Jingliang Duan , Wenxuan Wang , Liming Xiao , Jiaxin Gao , Shengbo Eben Li , Chang Liu , Ya-Qin Zhang , Bo Cheng , Keqiang Li

A novel class of advanced algorithms, termed Goal-Conditioned Weighted Supervised Learning (GCWSL), has recently emerged to tackle the challenges posed by sparse rewards in goal-conditioned reinforcement learning (RL). GCWSL consistently…

机器学习 · 计算机科学 2025-06-10 Xing Lei , Xuetao Zhang , Zifeng Zhuang , Donglin Wang

Trajectory Optimization (TO) and Reinforcement Learning (RL) are powerful and complementary tools to solve optimal control problems. On the one hand, TO can efficiently compute locally-optimal solutions, but it tends to get stuck in local…

Applying reinforcement learning (RL) to sparse reward domains is notoriously challenging due to insufficient guiding signals. Common RL techniques for addressing such domains include (1) learning from demonstrations and (2) curriculum…

机器学习 · 计算机科学 2023-03-29 Vaibhav Bajaj , Guni Sharon , Peter Stone

Reinforcement learning (RL) has had its fair share of success in contact-rich manipulation tasks but it still lags behind in benefiting from advances in robot control theory such as impedance control and stability guarantees. Recently, the…

机器人学 · 计算机科学 2020-09-29 Shahbaz A. Khader , Hang Yin , Pietro Falco , Danica Kragic

Vanilla Reinforcement Learning (RL) can efficiently solve complex tasks but does not provide any guarantees on system behavior. To bridge this gap, we propose a three-step safe RL procedure for continuous action spaces that provides…

机器人学 · 计算机科学 2023-09-29 Hanna Krasowski , Prithvi Akella , Aaron D. Ames , Matthias Althoff

Demonstration-guided reinforcement learning (RL) is a promising approach for learning complex behaviors by leveraging both reward feedback and a set of target task demonstrations. Prior approaches for demonstration-guided RL treat every new…

机器学习 · 计算机科学 2021-07-22 Karl Pertsch , Youngwoon Lee , Yue Wu , Joseph J. Lim

Video reasoning has emerged as a critical capability for multimodal large language models (MLLMs), requiring models to move beyond static perception toward coherent understanding of temporal dynamics in complex scenes. Yet existing MLLMs…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Sicheng Tao , Jungang Li , Yibo Yan , Junyan Zhang , Yubo Gao , Hanqian Li , ShuHang Xun , Yuxuan Fan , Hong Chen , Jianxiang He , Xuming Hu

Vision-Language-Action (VLA) models have shown strong performance on embodied manipulation, yet they remain brittle under visual observation changes, paraphrased language instructions, and compounded perturbations. This limitation suggests…

机器人学 · 计算机科学 2026-05-20 Jingzhou Luo , Yifan Wen , Yongjie Bai , Xinshuai Song , Yang Liu , Liang Lin

Reinforcement learning is able to solve complex sequential decision-making tasks but is currently limited by sample efficiency and required computation. To improve sample efficiency, recent work focuses on model-based RL which interleaves…

机器学习 · 计算机科学 2023-06-19 Yi Zhao , Wenshuai Zhao , Rinu Boney , Juho Kannala , Joni Pajarinen

In Volt/Var control (VVC) of active distribution networks(ADNs), both slow timescale discrete devices (STDDs) and fast timescale continuous devices (FTCDs) are involved. The STDDs such as on-load tap changers (OLTC) and FTCDs such as…

系统与控制 · 电气工程与系统科学 2021-04-14 Haotian Liu , Wenchuan Wu

Efficient and effective exploration in continuous space is a central problem in applying reinforcement learning (RL) to autonomous driving. Skills learned from expert demonstrations or designed for specific tasks can benefit the…

机器人学 · 计算机科学 2022-09-27 Tong Zhou , Letian Wang , Ruobing Chen , Wenshuo Wang , Yu Liu

A reinforcement-learning-based non-uniform compressed sensing (NCS) framework for time-varying signals is introduced. The proposed scheme, referred to as RL-NCS, aims to boost the performance of signal recovery through an optimal and…

机器学习 · 计算机科学 2021-07-05 Nazmul Karim , Alireza Zaeemzadeh , Nazanin Rahnavard

Reinforcement learning has shown great promise in the training of robot behavior due to the sequential decision making characteristics. However, the required enormous amount of interactive and informative training data provides the major…

人工智能 · 计算机科学 2020-12-22 Sha Luo , Hamidreza Kasaei , Lambert Schomaker

Reinforcement learning (RL) enables high-frequency, closed-loop control for robotic manipulation, but scaling to long-horizon tasks with sparse or imperfect rewards remains difficult due to inefficient exploration and poor credit…

机器学习 · 计算机科学 2026-04-16 Angelo Moroncelli , Roberto Zanetti , Marco Maccarini , Loris Roveda

Multi-time-scale stochastic approximation is an iterative algorithm for finding the fixed point of a set of $N$ coupled operators given their noisy samples. It has been observed that due to the coupling between the decision variables and…

最优化与控制 · 数学 2024-09-13 Sihan Zeng , Thinh T. Doan

Robust Reinforcement Learning aims to derive optimal behavior that accounts for model uncertainty in dynamical systems. However, previous studies have shown that by considering the worst case scenario, robust policies can be overly…

机器学习 · 计算机科学 2018-10-25 Esther Derman , Daniel J. Mankowitz , Timothy A. Mann , Shie Mannor

Vision-language-action (VLA) models can learn to perform diverse manipulation skills "out of the box," but achieving the precision and speed that real-world tasks demand requires further fine-tuning -- for example, via reinforcement…

机器学习 · 计算机科学 2026-05-04 Charles Xu , Jost Tobias Springenberg , Michael Equi , Ali Amin , Adnan Esmail , Sergey Levine , Liyiming Ke

Recent high-capacity vision-language-action (VLA) models have demonstrated impressive performance on a range of robotic manipulation tasks by imitating human demonstrations. However, exploiting offline data with limited visited states will…

机器人学 · 计算机科学 2025-05-27 Guanxing Lu , Wenkai Guo , Chubin Zhang , Yuheng Zhou , Haonan Jiang , Zifeng Gao , Yansong Tang , Ziwei Wang