20 Result(s)
within
Article
**ntao Sun
Engineering
English
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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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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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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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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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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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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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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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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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Article
On the nonlinear Schrödinger–Poisson systems with sign-changing potential
In this paper, we study a nonlinear Schrödinger–Poisson system $$\left\{ \begin{array}{ll} -\Delta u+V_{\lambda }( x) u+\mu K( x) \phi...
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Article
A novel piezo-driven microgripper with a large jaw displacement
This paper presents a novel piezo-driven microgripper for micromanipulation. A two-grade amplification mechanism is introduced to enlarge the jaw displacement of the microgripper driven by a piezoelectric actu...
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Article
Kinematics and dynamics of deployable structures with scissor-like-elements based on screw theory
Because the deployable structures are complex multi-loop structures and methods of derivation which lead to simpler kinematic and dynamic equations of motion are the subject of research effort, the kinematics ...
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Article
VCMIA: A Novel Architecture for Integrating Vehicular Cyber-Physical Systems and Mobile Cloud Computing
The advances in wireless communication technologies, vehicular networks and cloud computing boost a growing interest in the design, development and deployment of Vehicular Cyber-Physical Systems (VCPS) for som...
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Article
Mobility analysis of the deployable structure of SLE based on screw theory
Scissor-like element has a number of applications in deployable structures such as planar deployable structure (PDS) and ring deployable structure(RDS). However, the mobility analysis of the multi-loop deploya...
