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The heavy burdens of computation and off-chip traffic impede deploying the large scale convolution neural network on embedded platforms. As CNN is attributed to the strong endurance to computation errors, employing block floating point…

机器学习 · 计算机科学 2017-11-27 Zhourui Song , Zhenyu Liu , Dongsheng Wang

A new DC thermal model of Carbon Nanotube Field Effect Transistors (CNTFETs) is proposed. The model is based on a number of fitting parameters depending on bias conditions by third order polynomials. The model includes three thermal…

计算物理 · 物理学 2015-03-18 Roberto Marani , Anna Gina Perri

In this paper, neural network (NN)-based models are generated to replace flamelet tables for sub-grid modeling in large-eddy simulations of a single-injector liquid-propellant rocket engine. In the most accurate case, separate NNs for each…

流体动力学 · 物理学 2020-12-03 Zeinab Shadram , Tuan M. Nguyen , Athanasios Sideris , William A. Sirignano

Proactive maintenance strategies, such as Predictive Maintenance (PdM), play an important role in the operation of Nuclear Power Plants (NPPs), particularly due to their capacity to reduce offline time by preventing unexpected shutdowns…

This paper demonstrates the ability of neural networks to reliably learn the nonlinear flame response of a laminar premixed flame, while carrying out only one unsteady CFD simulation. The system is excited with a broadband, low-pass…

流体动力学 · 物理学 2022-04-12 Nilam Tathawadekar , Nguyen Anh Khoa Doan , Camilo F. Silva , Nils Thuerey

Accurate and efficient thermal dynamics models of permanent magnet synchronous motors are vital to efficient thermal management strategies. Physics-informed methods combine model-based and data-driven methods, offering greater flexibility…

系统与控制 · 电气工程与系统科学 2025-11-21 Xinyuan Liao , Shaowei Chen , Shuai Zhao

In this paper, we describe an algorithm, based on the well-known Unscented Quaternion Estimator, to estimate external forces and torques acting on a quadrotor. This formulation uses a non-linear model for the quadrotor dynamics, naturally…

机器人学 · 计算机科学 2016-08-03 Christopher D. McKinnon , Angela P. Schoellig

Safety constraints of nonlinear control systems are commonly enforced through the use of control barrier functions (CBFs). Uncertainties in the dynamic model can disrupt forward invariance guarantees or cause the state to be restricted to…

系统与控制 · 电气工程与系统科学 2025-01-30 Hannah M. Sweatland , Omkar Sudhir Patil , Warren E. Dixon

We present new methods for lensing reconstruction from CMB temperature fluctuations which have smaller mean-field and reconstruction noise bias corrections than current lensing estimators, with minimal loss of signal-to-noise. These biases…

宇宙学与河外天体物理 · 物理学 2013-10-08 Toshiya Namikawa , Duncan Hanson , Ryuichi Takahashi

Predicting the forced vibration response of nonlinear mechanical systems with friction is critical for engineering applications. Accurately determining the backbone curve of resonance peaks is pivotal for the design of friction devices.…

经典物理 · 物理学 2026-02-03 Wei Wen , Wenkai Qi , Weidong Wen

Direct training of Spiking Neural Networks (SNNs) on neuromorphic hardware can greatly reduce energy costs compared to GPU-based training. However, implementing Backpropagation (BP) on such hardware is challenging because forward and…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Gaspard Goupy , Pierre Tirilly , Ioan Marius Bilasco

The number of electrified powertrains is ever increasing today towards a more sustainable future; thus, it is essential that unwanted failures are prevented, and a reliable operation is secured. Monitoring the internal temperatures of…

机器学习 · 计算机科学 2025-04-28 Dinan Li , Panagiotis Kakosimos

Recently, surrogate models based on deep learning have attracted much attention for engineering analysis and optimization. As the construction of data pairs in most engineering problems is time-consuming, data acquisition is becoming the…

机器学习 · 计算机科学 2021-09-28 Xiaoyu Zhao , Zhiqiang Gong , Yunyang Zhang , Wen Yao , Xiaoqian Chen

The transverse emittance of a charged particle beam is an important figure of merit for many accelerator applications, such as ultra-fast electron diffraction, free electron lasers and the operation of new compact accelerator concepts in…

加速器物理 · 物理学 2022-09-21 F. Mayet , M. Hachmann , K. Floettmann , F. Burkart , H. Dinter , W. Kuropka , T. Vinatier , R. Assmann

This paper proposes a novel vehicle sideslip angle estimator, which uses the physical knowledge from an Unscented Kalman Filter (UKF) based on a non-linear single-track vehicle model to enhance the estimation accuracy of a Convolutional…

系统与控制 · 电气工程与系统科学 2023-03-10 Alberto Bertipaglia , Mohsen Alirezaei , Riender Happee , Barys Shyrokau

We present a non-intrusive gradient and a non-intrusive BFGS algorithm for parameter estimation problems in non-stationary elasticity. To avoid multiple (and potentially expensive) solutions of the underlying partial differential equation…

数值分析 · 数学 2024-08-19 Stefan Frei , Jan Reichle , Stefan Volkwein

Upcoming surveys will measure the cosmic microwave background (CMB) weak lensing power spectrum in exquisite detail, allowing for strong constraints on the sum of neutrino masses among other cosmological parameters. Standard CMB lensing…

宇宙学与河外天体物理 · 物理学 2024-08-23 Delon Shen , Emmanuel Schaan , Simone Ferraro

Several studies on ship maneuvering models have been conducted using captive model tests or computational fluid dynamics (CFD) and physical models, such as the maneuvering modeling group (MMG) model. A new system identification method for…

系统与控制 · 电气工程与系统科学 2024-11-05 Kouki Wakita , Atsuo Maki , Umeda Naoya , Yoshiki Miyauchi , Tohga Shimoji , Dimas M. Rachman , Youhei Akimoto

In the present study, the capabilities of a new Convolutional Neural Network (CNN) model are explored with the paramount objective of reconstructing the temperature field of wall-bounded flows based on a limited set of measurement points…

流体动力学 · 物理学 2022-02-02 Victor Coppo Leite , Elia Merzari , Roberto Ponciroli , Lander Ibarra

Next generation cosmic microwave background (CMB) polarimetry experiments aim to deploy order 500,000 detectors, requiring repeatable and reliable fabrication process with stable and uniform transition edge sensor (TES) bolometer…

仪器与探测器 · 物理学 2024-10-10 K. M. Rotermund , X. Li , R. Carney , D. Yohannes , R. Cantor , J. Vivalda , A. Chambal-Jacobs , A. Suzuki