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Timely failure detection for bearings is of great importance to prevent economic loses in the industry. In this article we propose a method based on Convolutional Neural Networks (CNN) to estimate the level of wear in bearings. First of…

音频与语音处理 · 电气工程与系统科学 2021-08-17 Luis A. Pinedo-Sanchez , Diego A. Mercado-Ravell , Carlos A. Carballo-Monsivais

Precise estimation and uncertainty quantification for average crop yields are critical for agricultural monitoring and decision making. Existing data collection methods, such as crop cuts in randomly sampled fields at harvest time, are…

We present a study of the dependencies of shear bias on simulation (input) and measured (output) parameters, noise, point-spread function anisotropy, pixel size, and the model bias coming from two different and independent galaxy shape…

宇宙学与河外天体物理 · 物理学 2020-10-14 Arnau Pujol , Florent Sureau , Jerome Bobin , Frederic Courbin , Marc Gentile , Martin Kilbinger

This paper reports the features of a splashing drop on a solid surface and the temporal evolution, which are extracted through image-sequence classification using a highly interpretable feedforward neural network (FNN) with zero hidden…

流体动力学 · 物理学 2022-07-05 Jingzu Yee , Daichi Igarashi , Akinori Yamanaka , Yoshiyuki Tagawa

Vision based object grasping and manipulation in robotics require accurate estimation of object's 6D pose. The 6D pose estimation has received significant attention in computer vision community and multiple datasets and evaluation metrics…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Antti Hietanen , Jyrki Latokartano , Alessandro Foi , Roel Pieters , Ville Kyrki , Minna Lanz , Joni-Kristian Kämäräinen

Positioning is a prominent field of study, notably focusing on Visual Inertial Odometry (VIO) and Simultaneous Localization and Mapping (SLAM) methods. Despite their advancements, these methods often encounter dead-reckoning errors that…

机器人学 · 计算机科学 2024-08-13 Pouyan Navard , Alper Yilmaz

The need to accurately estimate the speed of road vehicles is becoming increasingly important for at least two main reasons. First, the number of speed cameras installed worldwide has been growing in recent years, as the introduction and…

计算机视觉与模式识别 · 计算机科学 2021-05-27 David Fernández Llorca , Antonio Hernández Martínez , Iván García Daza

Two-dimensional Particle Tracking Velocimetry (PTV) is a promising technique to study the behaviour of granular flows. The aim is to experimentally determine the free surface width and position of the shear band from the velocity profile to…

Friction drag from a turbulent fluid moving past or inside an object plays a crucial role in domains as diverse as transportation, public utility infrastructure, energy technology, and human health. As a direct measure of the shear-induced…

流体动力学 · 物理学 2023-10-19 Esther Lagemann , Steven L. Brunton , Christian Lagemann

Existing visual tracking methods usually localize a target object with a bounding box, in which the performance of the foreground object trackers or detectors is often affected by the inclusion of background clutter. To handle this problem,…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Chenglong Li , Liang Lin , Wangmeng Zuo , Jin Tang , Ming-Hsuan Yang

Accurate depth estimation remains an open problem for robotic manipulation; even state of the art techniques including structured light and LiDAR sensors fail on reflective or transparent surfaces. We address this problem by training a…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Ben Goodrich , Alex Kuefler , William D. Richards

The current development of today's production industry towards seamless sensor-based monitoring is paving the way for concepts such as Predictive Maintenance. By this means, the condition of plants and products in future production lines…

机器学习 · 计算机科学 2021-08-22 Jan Zenisek , Gabriel Kronberger , Josef Wolfartsberger , Norbert Wild , Michael Affenzeller

The profiles of a spreading wetting film are computed taking into account intermolecular forces and introducing a kinetic slip condition at a molecular cut-off distance. This eliminates the stress singularity, so that both "true" and…

流体动力学 · 物理学 2007-05-23 Len M. Pismen , Boris Y. Rubinstein

Significant progress has been made for assessing the influence of porosity on the performance metrics for cast components through various modeling techniques. However, a computationally efficient framework to account for porosity with…

计算工程、金融与科学 · 计算机科学 2022-04-05 Shiguang Deng , Carl Soderhjelm , Diran Apelian , Krishnan Suresh

Currently, the rapidly developing powerful spinning processes of metals are widely used in many industrial sectors including those requiring high precision processing of metal materials, and the types and production of spun part are…

材料科学 · 物理学 2020-12-03 Un Chol Ri , Kwang Myong Kye , Myong Chol Pak

In this paper we develop a physics-based model for the erosion of lining in steel ladles. The model predicts the temperature evolution in the liquid slag, steel, refractory bricks and outer steel casing. The flows of slag and steel is due…

流体动力学 · 物理学 2023-03-01 Stein Tore Johansen , Bjørn Tore Løvfall , Tamara Rodriguez Duran

Surface roughness is a key factor when it comes to friction and wear, as well as to other physical properties. These phenomena are controlled by mechanisms acting at small scales, in which the topography of apparently-flat surfaces is…

材料科学 · 物理学 2024-11-05 Joaquin Garcia-Suarez , Tobias Brink , Jean-François Molinari

The great majority of engineered products are subject to thermo-mechanical loads which vary with the product environment during the various phases of its life-cycle (machining, assembly, intended service use...). Those load variations may…

经典物理 · 物理学 2009-05-07 Guillaume Mandil , Alain Desrochers , Alain Rivière

Persistent wrinkles are often observed on crumpled garments e.g., the wrinkles around the knees after sitting for a while. Such wrinkles can be easily recovered if not deformed for long, and otherwise be persistent. Since they are vital to…

图形学 · 计算机科学 2025-02-20 Deshan Gong , Yin Yang , Tianjia Shao , He Wang

This paper describes use of model checking to verify synchronisation properties of an industrial welding system consisting of a cobot arm and an external turntable. The robots must move synchronously, but sometimes get out of…

机器人学 · 计算机科学 2024-11-22 Yvonne Murray , Henrik Nordlie , David A. Anisi , Pedro Ribeiro , Ana Cavalcanti