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Article
A machine learning-based calibration method for strength simulation of self-piercing riveted joints
This paper presents a new machine learning-based calibration framework for strength simulation models of self-piercing riveted (SPR) joints. Strength simulations were conducted through the integrated modeling ...
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Article
Open AccessCL-BPUWM: continuous learning with Bayesian parameter updating and weight memory
Catastrophic forgetting in neural networks is a common problem, in which neural networks lose information from previous tasks after training on new tasks. Although adopting a regularization method that prefere...
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Article
Feature selection and prediction of small-for-gestational-age infants
The small-for-gestational-age (SGA) condition often causes serious problems. Therefore, identifying the risk factors for SGA is important. Traditional statistical methods such as stepwise logistic regression (...
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Chapter
Shielding-Based Common-Mode Noise Cancellation Techniques for Isolated DC-DC Converters
In isolated DC-DC converters, the transformer inter-winding capacitance is a critical path for propagating the common-mode (CM) noise. To block this propagation path and reduce the CM noise, a shielding layer ...
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Book
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Chapter
Introduction
Power electronics technology enables energy conversion with high efficiency and high power density, and has found wide applications in various fields, including general industry, power system, electrified tran...
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Chapter
Modeling of the Common-Mode Noise for Isolated DC-DC Converters
For isolated DC-DC converters, there are two propagation paths for the common-mode (CM) noise. One is the parasitic capacitance between the high dv/dt nodes in the primary circuit and the protective earth (PE), a...
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Chapter
Reducing the Common-Mode Noise in Phase-Shifted Full-Bridge Converter
The phase-shifted full-bridge (PSFB) converter features soft-switching for power switches and simple topology, and it has been widely used in medium-to-high power applications. Due to the phase-shift control, ...
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Chapter
Reducing the Common-Mode (CM) Noise in DC-DC Converters by the CM Voltage Cancellation Method
For the conventional common-mode (CM) noise cancellation method such as passive cancellation and symmetry circuit, a CM noise current cancellation branch is introduced to reduce the CM noise in DC-DC converter...
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Chapter
Prediction of the Conducted Electro-magnetic Interference for Average-Current-Controlled Boost Power Factor Correction Converter
With the average current control, the boost power factor correction (PFC) converter will be operated either in continuous conduction mode (CCM) or discontinuous conduction mode (DCM) in a switching cycle under...
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Article
Analysis of Expansive Earth Pressure of Pile Foundation Under Repeated Immersion
Based on the pile foundation in an expansive soil area, this paper used advanced large-scale geotechnical centrifuge equipment and numerical simulation methods to study the earth pressure and displacement of t...
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Article
Open AccessGaussian guided frame sequence encoder network for action quality assessment
Can a computer evaluate an athlete’s performance automatically? Many action quality assessment (AQA) methods have been proposed in recent years. Limited by the randomness of video sampling and the simple strat...
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Article
Grouting Effects of Fully Mechanized Tunneling Method for Metro Cross-Passage Construction in Soil Strata
The fully mechanized tunneling (FMT) method was recently developed for metro cross-passage construction. In the construction phase, plugging and backfilling grouting must be carried out, and lifting grouting f...
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Article
A new framework for geometrical investigation and stability analysis of high-position concealed dangerous rock blocks
The rock slopes along the Sichuan–Tibet railway are characterized by noncontactless, inaccessible, dramatically fluctuating topography and large-scale areas. Numerous high-position, concealed dangerous rock bl...
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Article
Deformation and failure laws and acoustic emission characteristics of low-strength molybdenum ore
Uniaxial compression acoustic emission (AE) tests were conducted on low-strength molybdenum ore (LSMO) to investigate its deformation and failure laws and AE characteristics. The stress–strain curve and AE par...
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Article
On disturbance rejection proportional–integral–differential control with model-free adaptation
In this paper, an adaptive disturbance-rejection proportional–integral–differential (PID) control method is proposed for a class of nonlinear systems. First, PID-type criterion is introduced in a model-free ad...
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Chapter and Conference Paper
Prediction Method of Water Cut in Changyuan Transition Zone Oil-Water Layers Based on Correction of Influencing Factors
G reservoir in Daqing Placanticline SZ oilfield has a certain reserve scale and low development degree. It is of great significance to further supplement perforation and tap potential on the basis of fine quan...
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Article
Cloud computing-driven resource allocation method for global tennis training: a performance optimization with game theory consideration
Tennis is an elegant sport characterized by confrontation, controllability, leisure, and entertainment. With the continuous improvement of Chinese women’s tennis in the world, men’s tennis also appears in the ...
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Article
Open AccessNumerical Simulations of Coastal Overwash Using A Phase-Averaged Wave—Current—Sediment Transport Model
Coastal overwash is a natural phenomenon that commonly occurs during storm events and can cause considerable changes in nearshore morphology within a short time. In this study, a complete set of empirical over...
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Chapter and Conference Paper
“Six in One” Management Aiming at Improving Pump Inspection Period of ASP Flooding
Field application shows that ASP flooding can enhance oil recovery by more than 20% on the basis of water flooding, 10% more than polymer flooding. However, due to the existence of alkali, the scaling of mecha...