20 Result(s)
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Article
Relighting multiple color textures
With the development of digital library technology, library books made of paper can be digital released and read, and Endangered Cultural Heritages can be preserved. Traditional library's contents and function...
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Article
Analysis of the dynamic behaviour of a torsional micro-mirror
In this paper, the results of the dynamic pull-in voltage characteristics of a micro-mirror using electrostatic actuation are analyzed. Based on torsional dynamic theory, appropriate equations are developed th...
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Article
Surface micromachined high-performance RF MEMS inductors
High-performance three-dimensional (3-D) microinductors with air-core and polyimide-core were fabricated by using simple MEMS technology. Both inductors have electroplated copper coils to minimize resistance t...
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Article
Measurement and analysis method for elbow joint moments during walker-assisted walking
A new measurement and analysis method was proposed to investigate the changes in elbow joint moments that occur with the use of a front-wheeled walker. A strain gauge-based walker instrumentation system was de...
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Article
Modeling, optimization and performance of high-Q MEMS solenoid inductors
Modeling, optimization and performance of on-chip solenoid inductors is presented. MATLAB is used to get the π-equivalent circuit model parameters. The effects of the geometrical parameters on the inductance and ...
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Article
Fabrication and dynamic analysis of the electrostatically actuated MEMS variable capacitor
Future microwave networks require miniature high-performance tunable elements such as switches, inductors, and capacitors. In this paper, high performance variable capacitor was fabricated by simple microelect...
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Article
A semi-custom design methodology for design performance optimization
We present a semi-custom design methodology based on transistor tuning to optimize the design performance. Compared with other transistor tuning approaches, our tuning process takes the cross-talk effect into ...
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Article
Electrostatically driven tunable radio frequency inductor
An electrostatically driven tunable radio frequency (RF) inductor with large inductance tuning range consisting of electroplated soft magnetic permalloy (Ni80Fe20 alloy) plate was proposed in this paper. The fabr...
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Article
Identification of the nonlinear vibration characteristics in hydropower house using transfer entropy
The nonlinear behavior is the primary attribute of the dynamic system stability. In this study, the time-delayed transfer entropy method is proposed to identify the nonlinear dynamic behavior of hydropower hou...
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Article
sEMG feature analysis on forearm muscle fatigue during isometric contractions
In order to detect and assess the muscle fatigue state with the surface electromyography (sEMG) characteristic parameters, this paper carried out a series of isometric contraction experiments to induce the fat...
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Article
Time-frequency analysis of EEG signals evoked by voluntary, stimulated and imaginary motions
In order to investigate the characteristics of sensorimotor cortex during motor execution (ME), voluntary, stimulated and imaginary finger flexions were performed by ten volunteer subjects. Electroencephalogra...
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Article
Electric wheelchair control system using brain-computer interface based on alpha-wave blocking
A brain-computer interface (BCI)-based electric wheelchair control system was developed, which enables the users to move the wheelchair forward or backward, and turn left or right without any pre-learning. Thi...
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Article
Static and dynamic behavior of concrete slabs reinforced with chemically reactive enamel-coated steel bars and fibers
In this study, the effect of steel fibers coated with chemically reactive enamel (CRE) on the system response of concrete structures with reinforcing bars has been investigated for the first time. In particula...
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Article
Blast response of full-size concrete walls with chemically reactive enamel (CRE)-coated steel reinforcement
In this study, two full-size concrete walls were tested and analyzed to demonstrate the effectiveness of a chemically reactive enamel (CRE) coating in improving their mechanical behavior under blast loading: o...
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Article
Explicit finite element analysis and experimental verification of a sliding lead rubber bearing
Based on the explicit finite element (FE) software ANSYS/LS-DYNA, the FE model for a sliding lead rubber bearing (SLRB) is developed. The design parameters of the laminated steel, including thickness, density,...
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Article
Linear-stability analysis of thermocapillary convection in an annular two-layer system with free surface subjected to a radial temperature gradient
The linear-stability analyses of thermocapillary flow in an annular two-layer system subjected to a radial temperature gradient were conducted. The annular pool with upper free surface and adiabatic bottom is ...
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Article
Machine learning-based prediction of soil compression modulus with application of 1D settlement
The compression modulus (Es) is one of the most significant soil parameters that affects the compressive deformation of geotechnical systems, such as foundations. However, it is difficult and sometime costly to o...
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Article
Effects and mechanisms of surfactants on physical properties and microstructures of metakaolin-based geopolymer
In this study, the effects of five different ionic and nonionic surfactants on the physical properties and microstructures of a metakaolin-based geopolymer (MKG) were investigated. It is the first comprehensiv...
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Article
Relation between drying shrinkage behavior and the microstructure of metakaolin-based geopolymer
The drying shrinkage of geopolymers poses significant limitations on their potential as constructive materials. In this study, the drying shrinkage of metakaolin-based geopolymer (MKG) with different initial w...
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Article
Numerical investigation on Rayleigh-Bénard-Marangoni flow of water near the maximum density in cylindrical pools with large aspect ratios
We report a set of direct numerical simulation results on Rayleigh-Bénard-Marangoni (R-B-M) flow of cold water in the cylindrical pools. The heat transfer between the free surface and the environment is consid...
