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Recent work has shown that complex manipulation skills, such as pushing or pouring, can be learned through state-of-the-art learning based techniques, such as Reinforcement Learning (RL). However, these methods often have high…

机器人学 · 计算机科学 2023-07-11 Constantinos Chamzas , Caelan Garrett , Balakumar Sundaralingam , Lydia E. Kavraki , Dieter Fox

In recent years, Reinforcement Learning (RL) is becoming a popular technique for training controllers for robots. However, for complex dynamic robot control tasks, RL-based method often produces controllers with unrealistic styles. In…

机器人学 · 计算机科学 2023-09-19 Xiang Zhu , Zixuan Chen , Jianyu Chen

Designing optimal controllers continues to be challenging as systems are becoming complex and are inherently nonlinear. The principal advantage of reinforcement learning (RL) is its ability to learn from the interaction with the environment…

机器学习 · 计算机科学 2018-10-05 Savinay Nagendra , Nikhil Podila , Rashmi Ugarakhod , Koshy George

Several applications in the scientific simulation of physical systems can be formulated as control/optimization problems. The computational models for such systems generally contain hyperparameters, which control solution fidelity and…

计算物理 · 物理学 2020-12-09 Suraj Pawar , Romit Maulik

Reinforcement learning (RL) has become a promising approach to developing controllers for quadrupedal robots. Conventionally, an RL design for locomotion follows a position-based paradigm, wherein an RL policy outputs target joint positions…

机器人学 · 计算机科学 2023-03-14 Shuxiao Chen , Bike Zhang , Mark W. Mueller , Akshara Rai , Koushil Sreenath

Robotic systems are increasingly employed for industrial automation, with contact-rich tasks like polishing requiring dexterity and compliant behaviour. These tasks are difficult to model, making classical control challenging. Deep…

机器人学 · 计算机科学 2025-06-03 Emma Cramer , Lukas Jäschke , Sebastian Trimpe

This paper presents a deep reinforcement learning (DRL) framework for active flow control (AFC) to reduce drag in aerodynamic bodies. Tested on a 3D cylinder at Re = 100, the DRL approach achieved a 9.32% drag reduction and a 78.4% decrease…

机器学习 · 计算机科学 2024-11-11 Ricard Montalà , Bernat Font , Pol Suárez , Jean Rabault , Oriol Lehmkuhl , Ivette Rodriguez

Recent advances in robotic foundation models have enabled the development of generalist policies that can adapt to diverse tasks. While these models show impressive flexibility, their performance heavily depends on the quality of their…

机器人学 · 计算机科学 2024-12-16 Charles Xu , Qiyang Li , Jianlan Luo , Sergey Levine

This paper studies the control synthesis of motion planning subject to uncertainties. The uncertainties are considered in robot motions and environment properties, giving rise to the probabilistic labeled Markov decision process (PL-MDP). A…

机器人学 · 计算机科学 2023-01-31 Mingyu Cai , Shaoping Xiao , Zhijun Li , Zhen Kan

In standard reinforcement learning (RL), a learning agent seeks to optimize the overall reward. However, many key aspects of a desired behavior are more naturally expressed as constraints. For instance, the designer may want to limit the…

机器学习 · 计算机科学 2021-01-29 Sobhan Miryoosefi , Kianté Brantley , Hal Daumé , Miroslav Dudik , Robert Schapire

Deep reinforcement learning (RL) is a data-driven, model-free method capable of discovering complex control strategies for macroscopic objectives in high-dimensional systems, making its application towards flow control promising. Many…

机器学习 · 计算机科学 2021-07-21 Kevin Zeng , Michael D. Graham

There is a growing demand for redirected walking (RDW) techniques and their application. To apply appropriate RDW methods and manipulation, the RDW controllers are predominantly used. There are three types of RDW controllers: direct…

机器学习 · 计算机科学 2021-10-14 Yuchen Chang , Keigo Matsumoto , Takuji Narumi , Tomohiro Tanikawa , Michitaka Hirose

We present a novel approach to automate and optimize anisotropic p-adaptation in high-order h/p solvers using Reinforcement Learning (RL). The dynamic RL adaptation uses the evolving solution to adjust the high-order polynomials. We develop…

流体动力学 · 物理学 2024-10-07 David Huergo , Martín de Frutos , Eduardo Jané , Oscar A. Marino , Gonzalo Rubio , Esteban Ferrer

Robotic control policies learned from human demonstrations have achieved impressive results in many real-world applications. However, in scenarios where initial performance is not satisfactory, as is often the case in novel open-world…

Embedding-based methods have attracted increasing attention in recent entity alignment (EA) studies. Although great promise they can offer, there are still several limitations. The most notable is that they identify the aligned entities…

人工智能 · 计算机科学 2022-03-08 Lingbing Guo , Yuqiang Han , Qiang Zhang , Huajun Chen

In the pursuit of reducing the number of trainable parameters in deep transformer networks, we employ Reinforcement Learning to dynamically select layers during training and tie them together. Every few iterations, the RL agent is asked…

机器学习 · 计算机科学 2024-01-24 Tamir David Hay , Lior Wolf

In order for robots to perform mission-critical tasks, it is essential that they are able to quickly adapt to changes in their environment as well as to injuries and or other bodily changes. Deep reinforcement learning has been shown to be…

机器人学 · 计算机科学 2017-10-19 Ayaka Kume , Eiichi Matsumoto , Kuniyuki Takahashi , Wilson Ko , Jethro Tan

Reinforcement learning has shown strong performance in robotic manipulation, but learned policies often degrade in performance when test conditions differ from the training distribution. This limitation is especially important in…

机器人学 · 计算机科学 2026-04-02 Shaifalee Saxena , Rafael Fierro , Alexander Scheinker

There have been attempts in reinforcement learning to exploit a priori knowledge about the structure of the system. This paper proposes a hybrid reinforcement learning controller which dynamically interpolates a model-based linear…

机器学习 · 计算机科学 2020-12-10 Nicholas Capel , Naifu Zhang

The endeavor of artificial intelligence (AI) is to design autonomous agents capable of achieving complex tasks. Namely, reinforcement learning (RL) proposes a theoretical background to learn optimal behaviors. In practice, RL algorithms…

机器学习 · 计算机科学 2022-09-27 Firas Jarboui , Ahmed Akakzia