中文
相关论文

相关论文: Adaptive Plane Reformatting for 4D Flow MRI using …

200 篇论文

In the past couple of years, the interest of the fluid mechanics community for deep reinforcement learning (DRL) techniques has increased at fast pace, leading to a growing bibliography on the topic. While the capabilities of DRL to solve…

流体动力学 · 物理学 2022-11-30 Jonathan Viquerat , Philippe Meliga , Elie Hachem

This paper addresses the problem of traversing through unknown, tilted, and narrow gaps for quadrotors using Deep Reinforcement Learning (DRL). Previous learning-based methods relied on accurate knowledge of the environment, including the…

机器人学 · 计算机科学 2023-07-03 Yuhan Xie , Minghao Lu , Rui Peng , Peng Lu

Autonomous Ground Vehicles (AGVs) are essential tools for a wide range of applications stemming from their ability to operate in hazardous environments with minimal human operator input. Effective motion planning is paramount for successful…

机器人学 · 计算机科学 2023-09-04 Shathushan Sivashangaran , Azim Eskandarian

Deep Reinforcement Learning (DRL) has emerged as a promising approach for handling highly dynamic and nonlinear Active Flow Control (AFC) problems. However, the computational cost associated with training DRL models presents a significant…

机器学习 · 计算机科学 2024-09-27 Wang Jia , Hang Xu

Model-free deep reinforcement learning (DRL) methods suffer from poor sample efficiency. To overcome this limitation, this work introduces an adaptive reduced-order-model (ROM)-based reinforcement learning framework for active flow control.…

机器学习 · 计算机科学 2026-04-08 Zesheng Yao , Zhen-Hua Wan , Canjun Yang , Qingchao Xia , Mengqi Zhang

Present-day Deep Reinforcement Learning (RL) systems show great promise towards building intelligent agents surpassing human-level performance. However, the computational complexity associated with the underlying deep neural networks (DNNs)…

机器学习 · 计算机科学 2021-09-20 Adarsh Kumar Kosta , Malik Aqeel Anwar , Priyadarshini Panda , Arijit Raychowdhury , Kaushik Roy

Transmission interface power flow adjustment is a critical measure to ensure the security and economy operation of power systems. However, conventional model-based adjustment schemes are limited by the increasing variations and…

系统与控制 · 电气工程与系统科学 2024-05-28 Shunyu Liu , Wei Luo , Yanzhen Zhou , Kaixuan Chen , Quan Zhang , Huating Xu , Qinglai Guo , Mingli Song

In this chapter, the regulation of Unmanned Aerial Vehicle (UAV) communication network is investigated in the presence of dynamic changes in the UAV lineup and user distribution. We target an optimal UAV control policy which is capable of…

系统与控制 · 电气工程与系统科学 2021-08-26 Ran Zhang , Duc Minh , Nguyen , Miao Wang , Lin X. Cai , Xuemin , Shen

Due to complexity and dynamics of construction work, resource, and cash flows, poor management of them usually leads to time and cost overruns, bankruptcy, even project failure. Existing approaches in construction failed to achieve optimal…

人工智能 · 计算机科学 2023-08-17 Can Jiang , Xin Li , Jia-Rui Lin , Ming Liu , Zhiliang Ma

Embedding the intrinsic symmetry of a flow system in training its machine learning algorithms has become a significant trend in the recent surge of their application in fluid mechanics. This paper leverages the geometric symmetry of a…

流体动力学 · 物理学 2025-06-04 Xuan Dai , Da Xu , Mengqi Zhang , Yantao Yang

In this work, we propose a deep reinforcement learning (DRL) based reactive planner to solve large-scale Lidar-based autonomous robot exploration problems in 2D action space. Our DRL-based planner allows the agent to reactively plan its…

机器人学 · 计算机科学 2024-03-19 Yuhong Cao , Rui Zhao , Yizhuo Wang , Bairan Xiang , Guillaume Sartoretti

Cardiac magnetic resonance imaging is a valuable non-invasive tool for identifying cardiovascular diseases. For instance, Cine MRI is the benchmark modality for assessing the cardiac function and anatomy. On the other hand, multi-contrast…

图像与视频处理 · 电气工程与系统科学 2023-10-11 George Yiasemis , Nikita Moriakov , Jan-Jakob Sonke , Jonas Teuwen

The high dimensionality and complex dynamics of turbulent flows remain an obstacle to the discovery and implementation of control strategies. Deep reinforcement learning (RL) is a promising avenue for overcoming these obstacles, but…

流体动力学 · 物理学 2023-01-31 Alec J. Linot , Kevin Zeng , Michael D. Graham

Deep reinforcement learning (DRL) algorithms can suffer from modeling errors between the simulation and the real world. Many studies use adversarial learning to generate perturbation during training process to model the discrepancy and…

机器学习 · 计算机科学 2024-05-21 Qianmei Liu , Yufei Kuang , Jie Wang

A variety of autonomous navigation algorithms exist that allow robots to move around in a safe and fast manner. However, many of these algorithms require parameter re-tuning when facing new environments. In this paper, we propose PTDRL, a…

机器人学 · 计算机科学 2023-06-21 Elias Goldsztejn , Tal Feiner , Ronen Brafman

Background: Image reconstruction from highly undersampled 4D flow MRI data can be very time consuming and may result in significant underestimation of velocities depending on regularization, thereby limiting the applicability of the method.…

医学物理 · 物理学 2025-04-01 Luuk Jacobs , Marco Piccirelli , Valery Vishnevskiy , Sebastian Kozerke

Intelligent reflecting surface (IRS) is a promising technology to assist downlink information transmissions from a multi-antenna access point (AP) to a receiver. In this paper, we minimize the AP's transmit power by a joint optimization of…

信号处理 · 电气工程与系统科学 2020-05-26 Jiaye Lin , Yuze Zou , Xiaoru Dong , Shimin Gong , Dinh Thai Hoang , Dusit Niyato

Reinforcement learning (RL) has demonstrated considerable potential for enhancing reasoning in large language models (LLMs). However, existing methods suffer from Gradient Starvation and Policy Degradation when training directly on samples…

机器学习 · 计算机科学 2025-11-13 Renda Li , Hailang Huang , Fei Wei , Feng Xiong , Yong Wang , Xiangxiang Chu

A reinforcement learning (RL) based methodology is proposed and implemented for online fine-tuning of PID controller gains, thus, improving quadrotor effective and accurate trajectory tracking. The RL agent is first trained offline on a…

Deep reinforcement learning (DRL) has become a powerful tool for complex decision-making in machine learning and AI. However, traditional methods often assume perfect action execution, overlooking the uncertainties and deviations between an…

机器人学 · 计算机科学 2025-07-02 Oren Fivel , Matan Rudman , Kobi Cohen