272 Result(s)
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Chapter and Conference Paper
Global Optimization of Mechanical Designs Based upon Integrated Computer Models and Virtual Prototypes
Recent advances in Computer-Aided Design and Engineering (CAD/CAE) made virtual prototy** feasible. Instead of going through the costly and time-consuming physical prototype development and testing process, ...
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Article
A novel structure of all-optical type silicon microresonator
A novel All-Optical type Silicon MicroResonator (AOSMR), with exciting and testing optical fibers is reported in this paper. It consists of a ridge optical waveguide and input and output optical fibers to pick...
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Article
Parametric study for conductor design of KSTAR PF coils
Large superconducting magnets such as ITER (International Thermonuclear Experimental Research) or KSTAR (Korean Superconducting Tokamak Advanced Research) magnet system adopted a cable-in-conduit conductor (CI...
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Article
Evaluation of orthotopic liver transplantation with no veno-venous bypass
Objective: To assess the feasibility and outcome of orthotopic liver transplantation (OLT) with no veno-venous bypass(v-v bypass) in adult patients. Methods: Between 1999 and 2001, 43 adult patients underwent ...
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Article
Mechanism of effects of warm prestressing (WPS) on apparent toughness of notched steel specimens Part II: Calculations and analyses
Based on the experimental results of Part I of present work, this paper describes results of FEM calculations and analyses in details which identified that the effect of tensile-warm pre-stressing (WPS) on imp...
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Article
Mechanism of effects of warm prestressing(WPS) on apparent toughness of notched steel specimens: Part I: Experimental
In this investigation, a series of experiments are carried out in blunt notched specimens to explore the various factors controlling the warm prestressing (WPS) effect on apparent toughness of a HSLA steel. A ...
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Article
Decryption of pure-position permutation algorithms
Pure position permutation image encryption algorithms, commonly used as image encryption investigated in this work are unfortunately frail under known-text attack. In view of the weakness of pure position perm...
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Article
Passive control of Permanent Magnet Synchronous Motor chaotic systems
Permanent Magnet Synchronous Motor model can exhibit a variety of chaotic phenomena under some choices of system parameters and external input. Based on the property of passive system, the essential conditions...
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Article
Surface reconstruction by offset surface filtering
The problem of computing a piecewise linear approximation to a surface from its sample has been a focus of research in geometry modeling and graphics due to its widespread applications in computer aided design...
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Article
A new direct Seek Control Design of Optical Disk Drives
This paper is concerned with the seek control of Optical Disk Drives (ODDs). We propose a direct Seek Control Scheme (SCS) that provides fast data access capability and robust stability for high-performance Op...
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Article
Ultrasonic tomography and its applications in oilfield
UTT (Ultrasonic Tomography Tool) is widely used in the oil industry and can be used to inspect corrosion, casing wall damage, casing breakoff, and casing distortion in the well borehole with the maximum enviro...
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Article
Evaluation of measurement uncertainties of virtual instruments
This paper deals with measurement uncertainty of virtual instruments (VIs). First the main uncertainty sources of transducer, signal conditioning, A/D conversion and digital signal processing (DSP) are analyze...
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Article
A new approach for the analysis solution of dynamic systems containing fractional derivative
Fractional derivative models, which are used to describe the viscoelastic behavior of material, have received considerable attention. Thus it is necessary to put forward the analysis solutions of dynamic syste...
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Article
A wideband frequency-shift keying demodulator for wireless neural stimulation microsystems
This paper presents a wideband frequency-shift keying (FSK) demodulator suitable for a digital data transmission chain of wireless neural stimulation microsystems such as cochlear implants and retinal prosthes...
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Article
Investigation of the forward kinematics of the Gough‐Stewart manipulator with natural coordinates
In this paper, we propose a forward kinematics model with natural coordinates for the Gough–Stewart manipulator and other spatial parallel mechanisms. The prevailing merits of this model are that the constrain...
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Article
Passive control of Permanent Magnet Synchronous Motor chaotic system based on state observer
Passive system theory was applied to propose a new passive control method with nonlinear observer of the Permanent Magnet Synchronous Motor chaotic system. Through constructing a Lyapunov function, the subsyst...
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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
Modeling of contact surface morphology and dust particles by using finite element method
The effect of dust particles on electric contacts and a hazardous size range of hard dust particles using a rigid model were discussed before. As further research, elastic-plastic model of finite element analy...
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Article
Pattern design on 3D triangular garment surfaces
This paper focuses on a pattern design method for a 3D triangular garment surface. Firstly, some definitions of 3D style lines are proposed for designing the boundaries of patterns as drawing straight lines or...
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Article
Printed circuit board recycling process and its environmental impact assessment
As the foundation for almost all electronic products, the printed circuit board (PCB) recycling issue has received much attention from the government, enterprises, and communities. In order to develop environm...
