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Engineering simulators used for steady-state multiphase pipe flows are commonly utilized to predict pressure drop. Such simulators are typically based on either empirical correlations or first-principles mechanistic models. The simulators…

数据分析、统计与概率 · 物理学 2019-06-04 Evgenii Kanin , Andrei Osiptsov , Albert Vainshtein , Evgeny Burnaev

Traditionally, deriving aerodynamic parameters for an airfoil via Computational Fluid Dynamics requires significant time and effort. However, recent approaches employ neural networks to replace this process, it still grapples with…

流体动力学 · 物理学 2024-03-25 Zemin Cai , Zhengyuan Fan , Tianshu Liu

The pressure strain correlation plays a critical role in the Reynolds stress transport modelling. Accurate modelling of the pressure strain correlation leads to proper prediction of turbulence stresses and subsequently the other terms of…

流体动力学 · 物理学 2021-03-02 J P Panda , H V Warrior

The demand of probabilistic time series forecasting has been recently raised in various dynamic system scenarios, for example, system identification and prognostic and health management of machines. To this end, we combine the advances in…

机器学习 · 计算机科学 2022-05-25 Haitao Liu , Changjun Liu , Xiaomo Jiang , Xudong Chen , Shuhua Yang , Xiaofang Wang

The purpose of this study is to provide means to physicians for automated and fast recognition of airways diseases. In this work, we mainly focus on measures that can be easily recorded using a spirometer. The signals used in this framework…

机器学习 · 计算机科学 2021-11-09 Riccardo Dio , André Galligo , Angelos Mantzaflaris , Benjamin Mauroy

An efficient technique is introduced for model inference of complex nonlinear dynamical systems driven by noise. The technique does not require extensive global optimization, provides optimal compensation for noise-induced errors and is…

数据分析、统计与概率 · 物理学 2007-05-23 V. N. Smelyanskiy , D. A. Timucin , A. Bandrivskyy , D. G. Luchinsky

Mechanical ventilation is a key form of life support for patients with pulmonary impairment. Healthcare workers are required to continuously adjust ventilator settings for each patient, a challenging and time consuming task. Hence, it would…

For the aerial manipulator that performs aerial work tasks, the actual operating environment it faces is very complex, and it is affected by internal and external multi-source disturbances. In this paper, to effectively improve the…

机器人学 · 计算机科学 2022-12-09 Hai Li , Zhan Li , Xiaolong Zheng , Jinhui Liu

Buildings sector is one of the major consumers of energy in the United States. The buildings HVAC (Heating, Ventilation, and Air Conditioning) systems, whose functionality is to maintain thermal comfort and indoor air quality (IAQ), account…

系统与控制 · 电气工程与系统科学 2021-03-24 Chi Zhang , Sanmukh R. Kuppannagari , Rajgopal Kannan , Viktor K. Prasanna

Data-driven convective parameterization aims to accurately represent convective adjustments to large-scale forcings in a computationally economic manner. While previous studies have demonstrated success using various model architectures,…

大气与海洋物理 · 物理学 2025-06-02 Qiyu Song , Zhiming Kuang

Air quality prediction and modelling plays a pivotal role in public health and environment management, for individuals and authorities to make informed decisions. Although traditional data-driven models have shown promise in this domain,…

机器学习 · 计算机科学 2024-02-08 Kethmi Hirushini Hettige , Jiahao Ji , Shili Xiang , Cheng Long , Gao Cong , Jingyuan Wang

The objective of this work is to optimize the performance of a constant flow parallel mechanical displacement micropump, which has parallel pump chambers and incorporates passive check valves. The critical task is to minimize the pressure…

机器学习 · 计算机科学 2023-05-10 Chenyang Ma , Boyuan Xu , Hesheng Liu

The lack of large video databases obtained from real patients with respiratory disorders makes the design and optimization of video-based monitoring systems quite critical. The purpose of this study is the development of suitable models and…

应用统计 · 统计学 2023-07-14 Davide Alinovi , Gianluigi Ferrari , Francesco Pisani , Riccardo Raheli

The choice of lung protective ventilation settings for mechanical ventilation has a considerable impact on patient outcome, yet identifying optimal ventilatory settings for individual patients remains highly challenging due to the inherent…

This paper develops a new method for voltage instability prediction using a recurrent neural network with long short-term memory. The method is aimed to be used as a supplementary warning system for system operators, capable of assessing…

系统与控制 · 电气工程与系统科学 2019-08-16 Hannes Hagmar , Lang Tong , Robert Eriksson , Le Anh Tuan

Mechanical ventilation is a critical life support intervention that delivers controlled air and oxygen to a patient's lungs, assisting or replacing spontaneous breathing. While several data-driven approaches have been proposed to optimize…

机器学习 · 计算机科学 2025-01-10 Joo Seung Lee , Malini Mahendra , Anil Aswani

The management of invasive mechanical ventilation, and the regulation of sedation and analgesia during ventilation, constitutes a major part of the care of patients admitted to intensive care units. Both prolonged dependence on mechanical…

人工智能 · 计算机科学 2017-04-24 Niranjani Prasad , Li-Fang Cheng , Corey Chivers , Michael Draugelis , Barbara E Engelhardt

The issue of failed weaning is a critical concern in the intensive care unit (ICU) setting. This scenario occurs when a patient experiences difficulty maintaining spontaneous breathing and ensuring a patent airway within the first 48 hours…

机器学习 · 计算机科学 2025-03-05 Hernando Gonzalez , Carlos Julio Arizmendi , Beatriz F. Giraldo

We propose a robust in-time predictor for in-hospital COVID-19 patient's probability of requiring mechanical ventilation. A challenge in the risk prediction for COVID-19 patients lies in the great variability and irregular sampling of…

机器学习 · 计算机科学 2021-02-03 Kai Zhang , Siddharth Karanth , Bela Patel , Robert Murphy , Xiaoqian Jiang

Existing methods for arterial blood pressure (BP) estimation directly map the input physiological signals to output BP values without explicitly modeling the underlying temporal dependencies in BP dynamics. As a result, these models suffer…

机器学习 · 计算机科学 2018-01-16 Peng Su , Xiao-Rong Ding , Yuan-Ting Zhang , Jing Liu , Fen Miao , Ni Zhao