Results 21 to 30 of about 1,558,454 (317)

Quality-Analysis-Based Process Monitoring for Multi-Phase Multi-Mode Batch Processes

open access: yes, 2021
In batch processing, not only the characteristics of different phases are different, but also there may be different characteristics between batches. These characteristics of different phases and batches will have different effects on the final product ...
Hao Yu, Xin Huang, Luping Zhao
core   +1 more source

Remote Monitoring the Parameters of Interest in the 18O Isotope Separation Technological Process

open access: yes, 2023
This manuscript presents the remote monitoring of the main parameters in the 18O isotope separation technological process. It proposes to monitor the operation of the five cracking reactors in the isotope production system, respectively, the temperature ...
Vlad Muresan   +3 more
core   +1 more source

Hierarchical Frequent Sequence Mining Algorithm for the Analysis of Alarm Cascades in Chemical Processes

open access: yesIEEE Access, 2018
Faults and malfunctions on complex chemical production systems generate alarm cascades that hinder the work of the operators and make fault diagnosis a complex and challenging task.
Gyula Dorgo, Kristof Varga, Janos Abonyi
doaj   +1 more source

Incorporating spatial context into remaining-time predictive process monitoring [PDF]

open access: yes, 2021
Predictive business process monitoring aims to accurately predict a variable of interest (e.g. remaining time) or the future state of the process instance (e.g. outcome or next step).
Ogunbiyi, Niyi   +2 more
core   +1 more source

Multilayer Network-Based Production Flow Analysis

open access: yesComplexity, 2018
A multilayer network model for the exploratory analysis of production technologies is proposed. To represent the relationship between products, parts, machines, resources, operators, and skills, standardized production and product-relevant data are ...
Tamás Ruppert   +2 more
doaj   +1 more source

A Novel Methodology for Series Arc Fault Detection by Temporal Domain Visualization and Convolutional Neural Network

open access: yesSensors, 2019
AC arc faults are one of the most important causes of residential electrical wiring fires, which may produce extremely high temperatures and easily ignite surrounding combustible materials.
Kai Yang   +4 more
doaj   +1 more source

Nonstationary Process Monitoring Based on Alternating Conditional Expectation and Cointegration Analysis

open access: yes, 2022
Traditional multivariate statistical methods, which are often used to monitor stationary processes, are not applicable to nonstationary processes. Cointegration analysis (CA) is considered an effective method to deal with nonstationary variables.
Jingzhi Rao   +4 more
core   +1 more source

A review of kernel methods for feature extraction in nonlinear process monitoring [PDF]

open access: yes, 2019
Kernel methods are a class of learning machines for the fast recognition of nonlinear patterns in any data set. In this paper, the applications of kernel methods for feature extraction in industrial process monitoring are systematically reviewed.
Lao, L.   +14 more
core   +1 more source

First Principles Statistical Process Monitoring of High-Dimensional Industrial Microelectronics Assembly Processes

open access: yes, 2020
Modern industrial units collect large amounts of process data based on which advanced process monitoring algorithms continuously assess the status of operations.
Rato, Tiago J.   +7 more
core   +1 more source

A Framework for Multivariate Statistical Quality Monitoring of Additive Manufacturing: Fused Filament Fabrication Process

open access: yes, 2023
Advances in additive manufacturing (AM) processes have increased the number of relevant applications in various industries. To keep up with this development, the process stability of AM processes should be monitored, which is conducted through the ...
Moath Alatefi   +3 more
core   +1 more source

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