25 Result(s)
within
**ntao Sun
Engineering
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Article
Open AccessAn integrated microfluidic platform for nucleic acid testing
This study presents a rapid and versatile low-cost sample-to-answer system for SARS-CoV-2 diagnostics. The system integrates the extraction and purification of nucleic acids, followed by amplification via eith...
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Article
Output-Only Modal Identification Based on Auto-regressive Spectrum-Guided Symplectic Geometry Mode Decomposition
The purpose of this paper is to propose a novel output-only structural modal identification approach based on an improved symplectic geometry mode decomposition (SGMD) method, i.e., auto-regressive (AR) spectr...
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Article
Output feedback stabilization for a class of nonlinear systems with hysteresis input and sensor uncertainties
In this paper, an output feedback scheme is proposed for a class of nonlinear systems with hysteresis input and sensor uncertainties. A hysteresis inverse function is applied to counteract the effect of the hy...
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Article
Assessing IoT-based college physical education relies on human–computer interaction
New technologies, such as the Internet of Things (IoT) and human–computer interaction (HCI), have enabled a variety of tasks to be carried out quickly and effectively. Both of these technologies can be combine...
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Article
Synthesis and Characterization of Co3O4/rGO Composite Magnetic Microwave Absorbing Materials
To prepare high-performance microwave absorbing materials, Co3O4/reduced graphene oxide (rGO) composite materials were prepared from graphite powder and cobalt acetate by a simplified hydrothermal method. It is d...
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Chapter and Conference Paper
A MANET Delay Guaranteed Cross-Layer Optimization Protocol—DGCOP
MANET is a complex distributed system, organized by mobile terminals or wireless nodes through wireless connections. MANET has a variable topology, which can lead to large fluctuations during data transmission...
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Chapter and Conference Paper
Adaptive Fault-Tolerant Control for a Class of Nonlinear Systems with Quantized Input and Quantized States
This paper investigates an adaptive fault-tolerant control for a class of nonlinear systems, where the input and states signals take quantized values. A hysteretic quantizer is used to avoid chattering. Consid...
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Article
Positive bound state solutions for non-autonomous Schrödinger–Poisson systems with \(2<p<4\)
We study the following non-autonomous Schrödinger–Poisson systems: $$\begin{aligned} \left\{ \begin{array}{ll} -\triangle u+u+K(x)\phi u=a(x)|...
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Article
A GAPSO-Enhanced Extreme Learning Machine Method for Tool Wear Estimation in Milling Processes Based on Vibration Signals
Tools are the most vulnerable components in milling processes conducted using numerical control milling machines, and their wear condition directly influences work-product quality and operational safety. As su...
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Article
Warm forming simulations of Al-Mg alloy sheet using a viscoplastic model and advanced yield functions
Al-Mg alloys have the properties of anisotropy, temperature softening and strain rate hardening in warm forming conditions. The former could be modeled by an advanced non-quadratic yield function. The rate-dep...
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Article
Open AccessMicrofluidics in cardiovascular disease research: state of the art and future outlook
Due to extremely severe morbidity and mortality worldwide, it is worth achieving a more in-depth and comprehensive understanding of cardiovascular diseases. Tremendous effort has been made to replicate the car...
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Chapter
Object Detection on Train Bogies Using Structured Light Scanning
In this paper, a non-contact technology based on structured light scanning is introduced to inspect adhered substances on train bogie, and compute the volume of substances. The scanning system consists of a li...
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Article
Research on reliability analytical method of complex system based on CBN model
Considering that there are often many variables correlated to each other in complex system, copula functions are introduced into reliability analysis. While with the increase of variables, the dimension of cop...
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Article
Influence of process parameters on forming quality of Cu-Fe joints by laser shock hole-clinching
Laser shock hole-clinching is a novel mechanical joining process in which the shock wave pressure induced by a high-energy pulsed laser is employed as a punch. This process is quite suitable for the joining of...
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Article
Hybrid reliability analysis and robust optimum process design as applied to hot stam** of steel sheets
In the process of hot stam** of steel sheet, there may appear crack and wrinkling defects. Therefore, in the early stage of die design, it is necessary to evaluate the reliability of its quality and optimize...
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Article
An intrinsic timescale decomposition-based kernel extreme learning machine method to detect tool wear conditions in the milling process
Detecting tool wear conditions in milling process is of significance to enhance the reliability of machining equipment. However, traditional methods have run into difficulties due to interference from strong n...
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Chapter and Conference Paper
A Dual-Axis Force Sensor with Passive Eddy Current Damper for Precision Measurement
This paper presents a novel two-degree-of-freedom (two-DOF) passive dam** system dedicated to the vibration suppression of a dual-axis precision force sensor. The dam** system consists of two identical edd...
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Article
Multiple failure mode reliability modeling and analysis in failure crack propagation based on time-varying copula
The fatigue failure of crack structure is influenced by fracture failure and static strength failure in the process of its growth. And the correlation characteristics between them change with the crack growth,...
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Article
Existence of nontrivial solution for Schrödinger–Poisson systems with indefinite steep potential well
In this paper, we study a class of nonlinear Schrödinger–Poisson systems with indefinite steep potential well: $$\begin{aligned} \left...
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Chapter and Conference Paper
Configuration Design and Kinematics Research of Scissor Unit Deployable Mechanism
Scissor unit deployable mechanism is widely used in aerospace and architecture, and the configuration design and kinematics analysis are two important problems that need to be solved in the application process...
