Daoguo Yang
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View article: Investigation on the Interfacial Delamination of Glass Substrate Packaging Using Cohesive Zone Models
Investigation on the Interfacial Delamination of Glass Substrate Packaging Using Cohesive Zone Models Open
This study aligns with the development trend of glass substrate packaging. The research aims to analyze the delamination of the substrate–adhesive layer-chip trilayer structure in packaging through experimental testing to obtain interface …
View article: Effect of Poly (Caprolactone) Introduction Site on the Network Structure and Properties of Glycidyl Azide Polymer Adhesive
Effect of Poly (Caprolactone) Introduction Site on the Network Structure and Properties of Glycidyl Azide Polymer Adhesive Open
Copolymers of glycidyl azide polymer (GAP) and poly (caprolactone) (PCL) were obtained by introducing PCL molecular chains at both ends or side groups of GAP molecular chains, respectively. GAP/PCL elastomers were prepared via polyurethane…
View article: Voxel-based alterations in spontaneous brain activity among very-late-onset schizophrenia-like psychosis: A preliminary resting-state functional magnetic resonance imaging study
Voxel-based alterations in spontaneous brain activity among very-late-onset schizophrenia-like psychosis: A preliminary resting-state functional magnetic resonance imaging study Open
BACKGROUND Very late-onset schizophrenia-like psychosis (VLOSLP) is a subtype of schizophrenia spectrum disorders in which individuals experience psychotic symptoms for the first time after the age of 60. The incidence of VLOSLP shows a li…
View article: Molecular dynamics study of tensile properties of graphene/GaN heterostructures
Molecular dynamics study of tensile properties of graphene/GaN heterostructures Open
Graphene/GaN nanocomposites have been widely used in high-power and high-frequency optoelectronic devices. At present, the thermal transport characteristics of graphene/gallium nitride heterostructures have been investigated by many schola…
View article: Failure quantitative assessment approach to MOSFET power device by detecting parasitic parameters
Failure quantitative assessment approach to MOSFET power device by detecting parasitic parameters Open
With the emerging wide bandgap (WBG) semiconductor development, the increasing power density and efficiency of power electronic converters may cause more switching oscillation, electromagnetic interference noise, and additional power loss,…
View article: Bond Wire Damage Detection Method on Discrete MOSFETs Based on Two-Port Network Measurement
Bond Wire Damage Detection Method on Discrete MOSFETs Based on Two-Port Network Measurement Open
Bond wire damage is one of the most common failure modes of metal-oxide semiconductor field-effect transistor (MOSFET) power devices in wire-welded packaging. This paper proposes a novel bond wire damage detection approach based on two-por…
View article: First-Principles Study on the Elastic Mechanical Properties and Anisotropies of Gold–Copper Intermetallic Compounds
First-Principles Study on the Elastic Mechanical Properties and Anisotropies of Gold–Copper Intermetallic Compounds Open
In this study, first-principles calculations were utilized to investigate the lattice constants, elastic constants, and mechanical properties of gold–copper (Au–Cu) intermetallic compounds (IMCs), including AuCu3, AuCu, and Au3Cu. We also …
View article: The Mechanical Properties and Elastic Anisotropy of η′-Cu6Sn5 and Cu3Sn Intermetallic Compounds
The Mechanical Properties and Elastic Anisotropy of η′-Cu6Sn5 and Cu3Sn Intermetallic Compounds Open
Full intermetallic compound (IMC) solder joints present fascinating advantages in high-temperature applications. In this study, the mechanical properties and elastic anisotropy of η′-Cu6Sn5 and Cu3Sn intermetallic compounds were investigat…
View article: Improving Gas-Sensing Performance Based on MOS Nanomaterials: A Review
Improving Gas-Sensing Performance Based on MOS Nanomaterials: A Review Open
In order to solve issues of air pollution, to monitor human health, and to promote agricultural production, gas sensors have been used widely. Metal oxide semiconductor (MOS) gas sensors have become an important area of research in the fie…
View article: Smooth path generation method of laser cladding bit repair robot based on 3D automatic measurement of wear surface point cloud
Smooth path generation method of laser cladding bit repair robot based on 3D automatic measurement of wear surface point cloud Open
In the work of repairing worn drill bits by laser cladding robots, the worn surface often presents irregular curved surfaces, which brings difficulties to cladding. Aiming at the generation of cladding path on irregular curved surfaces of …
View article: Calibration of Dual Industrial Robot System Based on Hand-Eye Calibration Algorithm
Calibration of Dual Industrial Robot System Based on Hand-Eye Calibration Algorithm Open
In order to improve the cladding efficiency and quality, the dual industrial robots are used to work together to achieve the task of repairing the industrial drill. However, the calibration accuracy of the base coordinates of the dual robo…
View article: High Value Bit Model Reconstruction and Damage Identification Based on Binocular Robot
High Value Bit Model Reconstruction and Damage Identification Based on Binocular Robot Open
In order to achieve high value bit repair, bit model reconstruction and damage identification must be carried out. In this paper, the binocular camera and the industrial robot were combined to realize the point cloud acquisition, model rec…
View article: Trajectory Planning of Manipulator based on Improved Genetic Algorithm
Trajectory Planning of Manipulator based on Improved Genetic Algorithm Open
Laser cladding technology has been used in many applications, and repair of high-value broken drills is one of them. Aiming at the problem of trajectory planning of cladding repair access sequence in multiple damaged areas of the drill bit…
View article: A Novel Microwave Treatment for Sleep Disorders and Classification of Sleep Stages Using Multi-Scale Entropy
A Novel Microwave Treatment for Sleep Disorders and Classification of Sleep Stages Using Multi-Scale Entropy Open
The aim of this study was to develop an integrated system of non-contact sleep stage detection and sleep disorder treatment for health monitoring. Hence, a method of brain activity detection based on microwave scattering technology instead…
View article: Entropy Generation Methodology for Defect Analysis of Electronic and Mechanical Components—A Review
Entropy Generation Methodology for Defect Analysis of Electronic and Mechanical Components—A Review Open
Understanding the defect characterization of electronic and mechanical components is a crucial step in diagnosing component lifetime. Technologies for determining reliability, such as thermal modeling, cohesion modeling, statistical distri…
View article: Evaluation of Acute Tonic Cold Pain From Microwave Transcranial Transmission Signals Using Multi-Entropy Machine Learning Approach
Evaluation of Acute Tonic Cold Pain From Microwave Transcranial Transmission Signals Using Multi-Entropy Machine Learning Approach Open
This study aims to improve the accuracy of detecting acute tonic cold pain (CP) perception from microwave transcranial transmission (MTT) signals. Two different types of CP and no-pain (NP) MTT signals are obtained from 15 subjects. Four f…
View article: Teleoperation Cloud Industrial Robot using XMPP Protocol
Teleoperation Cloud Industrial Robot using XMPP Protocol Open
Teleoperation is an operation needed to complete a variety of robot tasks in dangerous and difficult-to-reach environments. In the industrial world, teleoperation robots can be used to help humans complete dangerous tasks such as grasping …
View article: Controlling Unmanned Surface Vehicle Using MQTT Protocol
Controlling Unmanned Surface Vehicle Using MQTT Protocol Open
- The communication system at USV is the most important part of ensuring that the USV control system runs well. Communication systems that are commonly used at USV are generally still local networks. The development of a wider range of com…
View article: First Principles Study of Gas Molecules Adsorption on Monolayered β-SnSe
First Principles Study of Gas Molecules Adsorption on Monolayered β-SnSe Open
For the purpose of exploring the application of two-dimensional (2D) material in the field of gas sensors, the adsorption properties of gas molecules, CO, CO2, CH2O, O2, NO2, and SO2 on the surface of monolayered tin selenium in β phase (β…
View article: Effects of High-Temperature Storage on the Elasticity Modulus of an Epoxy Molding Compound
Effects of High-Temperature Storage on the Elasticity Modulus of an Epoxy Molding Compound Open
Changes in the elasticity modulus of an epoxy molding compound (EMC), an electronic packaging polymer, under high-temperature air storage conditions, are discussed in this study. The elasticity modulus of EMC had two different compositions…
View article: First-Principles Investigation of the Adsorption Behaviors of CH2O on BN, AlN, GaN, InN, BP, and P Monolayers
First-Principles Investigation of the Adsorption Behaviors of CH2O on BN, AlN, GaN, InN, BP, and P Monolayers Open
CH2O is a common toxic gas molecule that can cause asthma and dermatitis in humans. In this study the adsorption behaviors of the CH2O adsorbed on the boron nitride (BN), aluminum nitride (AlN), gallium nitride (GaN), indium nitride (InN),…
View article: ITOEC 2018 TOC
ITOEC 2018 TOC Open
Investigations on the reaction characteristics of
View article: The Effects of Graphene Stacking on the Performance of Methane Sensor: A First-Principles Study on the Adsorption, Band Gap and Doping of Graphene
The Effects of Graphene Stacking on the Performance of Methane Sensor: A First-Principles Study on the Adsorption, Band Gap and Doping of Graphene Open
The effects of graphene stacking are investigated by comparing the results of methane adsorption energy, electronic performance, and the doping feasibility of five dopants (i.e., B, N, Al, Si, and P) via first-principles theory. Both zigza…
View article: Mechanical, Thermodynamic and Electronic Properties of Wurtzite and Zinc-Blende GaN Crystals
Mechanical, Thermodynamic and Electronic Properties of Wurtzite and Zinc-Blende GaN Crystals Open
For the limitation of experimental methods in crystal characterization, in this study, the mechanical, thermodynamic and electronic properties of wurtzite and zinc-blende GaN crystals were investigated by first-principles calculations base…
View article: Design and adjustment of the graphene work function via size, modification, defects, and doping: a first-principle theory study
Design and adjustment of the graphene work function via size, modification, defects, and doping: a first-principle theory study Open
In this work, the work function (WF) of graphenes, which are used as electronic devices, has been designed and evaluated by using the first-principle approach. Different states of graphene were considered, such as surface modification, dop…
View article: A First-Principle Theoretical Study of Mechanical and Electronic Properties in Graphene Single-Walled Carbon Nanotube Junctions
A First-Principle Theoretical Study of Mechanical and Electronic Properties in Graphene Single-Walled Carbon Nanotube Junctions Open
The new three-dimensional structure that the graphene connected with SWCNTs (G-CNTs, Graphene Single-Walled Carbon Nanotubes) can solve graphene and CNTs′ problems. A comprehensive study of the mechanical and electrical performance of the …