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Legged locomotion in unstructured environments demands not only high-performance control policies but also formal guarantees to ensure robustness under perturbations. Control methods often require carefully designed reference trajectories,…

机器人学 · 计算机科学 2026-03-23 Vrushabh Zinage , Narek Harutyunyan , Eric Verheyden , Fred Y. Hadaegh , Soon-Jo Chung

Although multi-step generative policies achieve strong performance in robotic manipulation by modeling multimodal action distributions, they require multi-step iterative denoising at inference time. Each action therefore needs tens to…

机器人学 · 计算机科学 2026-04-22 Yuxuan Gao , Yedong Shen , Shiqi Zhang , Wenhao Yu , Yifan Duan , Jia pan , Jiajia Wu , Jiajun Deng , Yanyong Zhang

Reinforcement Learning (RL) has made significant strides in complex tasks but struggles in multi-task settings with different embodiments. World model methods offer scalability by learning a simulation of the environment but often rely on…

机器学习 · 计算机科学 2025-02-25 Ignat Georgiev , Varun Giridhar , Nicklas Hansen , Animesh Garg

In search of a simple baseline for Deep Reinforcement Learning in locomotion tasks, we propose a model-free open-loop strategy. By leveraging prior knowledge and the elegance of simple oscillators to generate periodic joint motions, it…

机器人学 · 计算机科学 2024-03-05 Antonin Raffin , Olivier Sigaud , Jens Kober , Alin Albu-Schäffer , João Silvério , Freek Stulp

A major challenge of reinforcement learning (RL) in real-world applications is the variation between environments, tasks or clients. Meta-RL (MRL) addresses this issue by learning a meta-policy that adapts to new tasks. Standard MRL methods…

机器学习 · 计算机科学 2023-10-03 Ido Greenberg , Shie Mannor , Gal Chechik , Eli Meirom

This study focuses on the development of a simulation-driven reinforcement learning (RL) framework for optimizing routing decisions in complex queueing network systems, with a particular emphasis on manufacturing and communication…

人工智能 · 计算机科学 2025-07-28 Fatima Al-Ani , Molly Wang , Jevon Charles , Aaron Ong , Joshua Forday , Vinayak Modi

Learning visuomotor policies for agile quadrotor flight presents significant difficulties, primarily from inefficient policy exploration caused by high-dimensional visual inputs and the need for precise and low-latency control. To address…

机器人学 · 计算机科学 2024-11-13 Jiaxu Xing , Angel Romero , Leonard Bauersfeld , Davide Scaramuzza

Poor sample efficiency continues to be the primary challenge for deployment of deep Reinforcement Learning (RL) algorithms for real-world applications, and in particular for visuo-motor control. Model-based RL has the potential to be highly…

机器学习 · 计算机科学 2022-12-13 Nicklas Hansen , Yixin Lin , Hao Su , Xiaolong Wang , Vikash Kumar , Aravind Rajeswaran

Generative models, particularly diffusion models, have achieved remarkable success in density estimation for multimodal data, drawing significant interest from the reinforcement learning (RL) community, especially in policy modeling in…

机器学习 · 计算机科学 2024-12-03 Jinouwen Zhang , Rongkun Xue , Yazhe Niu , Yun Chen , Jing Yang , Hongsheng Li , Yu Liu

Reinforcement learning (RL) algorithms have been successfully applied to a range of challenging sequential decision making and control tasks. In this paper, we classify RL into direct and indirect RL according to how they seek the optimal…

机器学习 · 计算机科学 2021-05-12 Yang Guan , Shengbo Eben Li , Jingliang Duan , Jie Li , Yangang Ren , Qi Sun , Bo Cheng

Reinforcement learning (RL) is a branch of machine learning which is employed to solve various sequential decision making problems without proper supervision. Due to the recent advancement of deep learning, the newly proposed Deep-RL…

人工智能 · 计算机科学 2019-04-17 Dhruv Ramani

In dynamic programming (DP) and reinforcement learning (RL), an agent learns to act optimally in terms of expected long-term return by sequentially interacting with its environment modeled by a Markov decision process (MDP). More generally…

机器学习 · 计算机科学 2022-01-03 Mastane Achab , Gergely Neu

We propose Flow-GRPO, the first method to integrate online policy gradient reinforcement learning (RL) into flow matching models. Our approach uses two key strategies: (1) an ODE-to-SDE conversion that transforms a deterministic Ordinary…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Jie Liu , Gongye Liu , Jiajun Liang , Yangguang Li , Jiaheng Liu , Xintao Wang , Pengfei Wan , Di Zhang , Wanli Ouyang

Model-based offline reinforcement Learning (RL) is a promising approach that leverages existing data effectively in many real-world applications, especially those involving high-dimensional inputs like images and videos. To alleviate the…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Shenghua Wan , Ziyuan Chen , Le Gan , Shuai Feng , De-Chuan Zhan

Deep reinforcement learning can generate complex control policies, but requires large amounts of training data to work effectively. Recent work has attempted to address this issue by leveraging differentiable simulators. However, inherent…

机器学习 · 计算机科学 2022-04-15 Jie Xu , Viktor Makoviychuk , Yashraj Narang , Fabio Ramos , Wojciech Matusik , Animesh Garg , Miles Macklin

Off-road navigation on vertically challenging terrain, involving steep slopes and rugged boulders, presents significant challenges for wheeled robots both at the planning level to achieve smooth collision-free trajectories and at the…

机器人学 · 计算机科学 2024-10-29 Tong Xu , Chenhui Pan , Xuesu Xiao

This paper deals with distributed policy optimization in reinforcement learning, which involves a central controller and a group of learners. In particular, two typical settings encountered in several applications are considered:…

机器学习 · 计算机科学 2021-04-21 Tianyi Chen , Kaiqing Zhang , Georgios B. Giannakis , Tamer Başar

In recent years, reinforcement learning (RL) has shown outstanding performance for locomotion control of highly articulated robotic systems. Such approaches typically involve tedious reward function tuning to achieve the desired motion…

机器人学 · 计算机科学 2022-03-29 Eric Vollenweider , Marko Bjelonic , Victor Klemm , Nikita Rudin , Joonho Lee , Marco Hutter

This paper investigates a hybrid solution which combines deep reinforcement learning (RL) and classical trajectory planning for the following in front application. Here, an autonomous robot aims to stay ahead of a person as the person…

机器人学 · 计算机科学 2020-11-09 Payam Nikdel , Richard Vaughan , Mo Chen

Differentiable simulators promise faster computation time for reinforcement learning by replacing zeroth-order gradient estimates of a stochastic objective with an estimate based on first-order gradients. However, it is yet unclear what…

机器学习 · 计算机科学 2022-08-23 H. J. Terry Suh , Max Simchowitz , Kaiqing Zhang , Russ Tedrake