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In recent years deep learning algorithms have shown extremely high performance on machine learning tasks such as image classification and speech recognition. In support of such applications, various FPGA accelerator architectures have been…

机器学习 · 计算机科学 2017-05-09 Xinyu Zhang , Srinjoy Das , Ojash Neopane , Ken Kreutz-Delgado

The utility of domain-specific knowledge for modeling, simulation, and optimization has been demonstrated for various research problem domains, including power systems. The concept of Equivalent Circuit Programming was previously developed…

系统与控制 · 电气工程与系统科学 2021-12-03 Marko Jereminov , Larry Pileggi

Many practical planning and operational applications in power systems require simultaneous consideration of a large number of operating conditions or Multi-Scenario AC-Optimal Power Flow (MS-AC-OPF) solution. However, when the number of…

最优化与控制 · 数学 2019-05-28 Vladimir Frolov , Line Roald , Michael Chertkov

Convolutional neural networks (CNNs) are commonplace in high-performing solutions to many real-world problems, such as audio classification. CNNs have many parameters and filters, with some having a larger impact on the performance than…

声音 · 计算机科学 2023-05-08 James A King , Arshdeep Singh , Mark D. Plumbley

We propose a multi-fidelity neural network (MFNN) tailored for rapid high-dimensional grid power flow simulations and contingency analysis with scarce high-fidelity contingency data. The proposed model comprises two networks -- the first…

机器学习 · 计算机科学 2022-05-27 Sam Yang , Bjorn Vaagensmith , Deepika Patra , Ryan Hruska , Tyler Phillips

This paper presents a 1-D convolutional graph neural network for fault detection in microgrids. The combination of 1-D convolutional neural networks (1D-CNN) and graph convolutional networks (GCN) helps extract both spatial-temporal…

系统与控制 · 电气工程与系统科学 2022-11-08 Bang L. H. Nguyen , Tuyen Vu , Thai-Thanh Nguyen , Mayank Panwar , Rob Hovsapian

Various applications in the field of autonomous driving are based on convolutional neural networks (CNNs), especially for processing camera data. The optimization of such CNNs is a major challenge in continuous development. Newly learned…

Though the convex optimization has been widely used in power systems, it still cannot guarantee to yield a tight (accurate) solution to some problems. To mitigate this issue, this paper proposes an ensemble learning based convex…

系统与控制 · 电气工程与系统科学 2020-05-18 Ren Hu , Qifeng Li , Feng Qiu

Machine learning assisted optimal power flow (OPF) aims to reduce the computational complexity of these non-linear and non-convex constrained optimization problems by consigning expensive (online) optimization to offline training. The…

机器学习 · 计算机科学 2022-04-28 Thomas Falconer , Letif Mones

Deep Learning methods have seen a wide range of successful applications across different industries. Up until now, applications to physical simulations such as CFD (Computational Fluid Dynamics), have been limited to simple test-cases of…

机器学习 · 计算机科学 2024-05-20 Giuseppe Bruni , Sepehr Maleki , Senthil K. Krishnababu

Alternating current optimal power flow (AC-OPF) is one of the fundamental problems in power systems operation. AC-OPF is traditionally cast as a constrained optimization problem that seeks optimal generation set points whilst fulfilling a…

机器学习 · 计算机科学 2020-12-18 Henning Lange , Bingqing Chen , Mario Berges , Soummya Kar

Nonlinear convex relaxations of the power flow equations and, in particular, the Semi-Definite Programming (SDP), Convex Quadratic (QC), and Second-Order Cone (SOC) relaxations, have attracted significant interest in recent years. Thus far,…

最优化与控制 · 数学 2015-11-13 Carleton Coffrin , Hassan L. Hijazi , Pascal Van Hentenryck

Convolutional neural networks (CNNs) are becoming more and more important for solving challenging and critical problems in many fields. CNN inference applications have been deployed in safety-critical systems, which may suffer from soft…

分布式、并行与集群计算 · 计算机科学 2021-01-26 Kai Zhao , Sheng Di , Sihuan Li , Xin Liang , Yujia Zhai , Jieyang Chen , Kaiming Ouyang , Franck Cappello , Zizhong Chen

Modern convolutional neural networks (CNNs) are workhorses for video and image processing, but fail to adapt to the computational complexity of input samples in a dynamic manner to minimize energy consumption. In this research, we propose…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Mohamed Mejri , Ashiqur Rasul , Abhijit Chatterjee

It is well known that Convolutional Neural Networks (CNNs) have significant redundancy in their filter weights. Various methods have been proposed in the literature to compress trained CNNs. These include techniques like pruning weights,…

机器学习 · 计算机科学 2019-06-12 Muhammad Tayyab , Abhijit Mahalanobis

Despite rapid improvements in the performance of central processing unit (CPU), the calculation cost of simulating chemically reacting flow using CFD remains infeasible in many cases. The application of the convolutional neural networks…

机器学习 · 计算机科学 2023-07-26 Joongoo Jeon , Juhyeong Lee , Sung Joong Kim

Convolutional Neural Networks (CNNs) have produced state-of-the-art results for image classification tasks. However, they are limited in their ability to handle rotational and viewpoint variations due to information loss in max-pooling…

机器学习 · 计算机科学 2023-10-06 Samaneh Javadinia , Amirali Baniasadi

There is a Computational fluid dynamics (CFD) method of incorporating the DNN inference to reduce the computational cost. The reduction is realized by replacing some calculations by DNN inference. The cost reduction depends on the…

流体动力学 · 物理学 2023-04-18 Yukito Tsunoda , Toshihiko Mori , Hisanao Akima , Satoshi Inano , Tsuguchika Tabaru , Akira Oyama

We introduce a new method, called CNNAS (convolutional neural networks for atomistic systems), for calculating the total energy of atomic systems which rivals the computational cost of empirical potentials while maintaining the accuracy of…

材料科学 · 物理学 2018-03-21 Kevin Ryczko , Kyle Mills , Iryna Luchak , Christa Homenick , Isaac Tamblyn

Face anti-spoofing (FAS) plays a vital role in face recognition systems. Most state-of-the-art FAS methods 1) rely on stacked convolutions and expert-designed network, which is weak in describing detailed fine-grained information and easily…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Zitong Yu , Chenxu Zhao , Zezheng Wang , Yunxiao Qin , Zhuo Su , Xiaobai Li , Feng Zhou , Guoying Zhao