Results 1 to 10 of about 1,558,454 (317)

A type of symmetrical differential lever displacement amplification mechanism

open access: yesMechanics & Industry, 2021
The paper proposes a type of symmetrical flexure hinge displacement amplification mechanism, which is based on the differential lever to effectively improve the displacement output stroke of the PZT and reduce the additional displacement.
Fan Wei   +3 more
doaj   +1 more source

Research on Waste Plastics Classification Method Based on Multi-Scale Feature Fusion

open access: yesSensors, 2022
Microplastic particles produced by non-degradable waste plastic bottles have a critical impact on the environment. Reasonable recycling is a premise that protects the environment and improves economic benefits. In this paper, a multi-scale feature fusion
Zhenxing Cai   +5 more
doaj   +1 more source

Numerical study on instantaneous heat transfer characteristics of AC arc-fault

open access: yesAIP Advances, 2021
Studying the heat transfer characteristics of alternating current (AC) arc-fault to electrodes is a key issue in electrical fires. In this paper, an instantaneous heat transfer numerical model of AC arc-fault is developed based on the magneto ...
Qirong Wu   +4 more
doaj   +1 more source

Indoor Positioning Systems Can Revolutionise Digital Lean

open access: yesApplied Sciences, 2021
The powerful combination of lean principles and digital technologies accelerates waste identification and mitigation faster than traditional lean methods.
Tuan-Anh Tran   +2 more
doaj   +1 more source

Event-Tree Based Sequence Mining Using LSTM Deep-Learning Model

open access: yesComplexity, 2021
During the operation of modern technical systems, the use of the LSTM model for the prediction of process variable values and system states is commonly widespread.
János Abonyi   +2 more
doaj   +1 more source

A Novel Dynamic Process Monitoring Algorithm: Dynamic Orthonormal Subspace Analysis

open access: yes, 2023
Orthonormal subspace analysis (OSA) is proposed for handling the subspace decomposition issue and the principal component selection issue in traditional key performance indicator (KPI)-related process monitoring methods such as partial least squares (PLS)
Shan Lu   +5 more
core   +1 more source

Integrated Survival Analysis and Frequent Pattern Mining for Course Failure-Based Prediction of Student Dropout

open access: yesMathematics, 2021
A data-driven method to identify frequent sets of course failures that students should avoid in order to minimize the likelihood of their dropping out from their university training is proposed.
Róbert Csalódi, János Abonyi
doaj   +1 more source

A Review on Data-Driven Process Monitoring Methods: Characterization and Mining of Industrial Data

open access: yes, 2022
Safe and stable operation plays an important role in the chemical industry. Fault detection and diagnosis (FDD) make it possible to identify abnormal process deviations early and assist operators in taking proper action against fault propagation.
Wei Sun, Cheng Ji
core   +1 more source

Demonstration Laboratory of Industry 4.0 Retrofitting and Operator 4.0 Solutions: Education towards Industry 5.0

open access: yesSensors, 2022
One of the main challenges of Industry 4.0 is how advanced sensors and sensing technologies can be applied through the Internet of Things layers of existing manufacturing.
Tamás Ruppert   +4 more
doaj   +1 more source

Nonstationary Process Monitoring Based on Cointegration Theory and Multiple Order Moments

open access: yes, 2022
In industrial processes, process data often exhibit complex characteristics, such as nonstationarity and nonlinearity, which brings challenges to process monitoring.
Yang Li   +3 more
core   +1 more source

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