Sharif Digital Repository

A switched-capacitor inverter with optimized switch-count considering load power factor

Author

Jahan, H. K.

Publisher

IEEE Computer Society,

Pub. Year

2019

Subjects

Multilevel inverter (MI) / power factor (PF) / Switched-capacitor (SC) module. / Voltage boosting capability. / Electric power factor. / Industrial electronics. / MATLAB. / Topology. / Comparison result. / Industrial loads. / Load power factor. / Matlab/Simulink simulation. / Multilevel inverter. / Optimized topology. / Specific power. / Switched capacitor. / Electric inverters.

Multi-input high step-up inverter with softswitching capability, applicable in photovoltaic systems

Author

Babaei, E.

Publisher

Institution of Engineering and Technology,

Pub. Year

2020

Subjects

Degrees of freedom (mechanics) / Electric inverters. / HVDC power transmission. / Maximum power point trackers. / Photovoltaic cells. / Voltage control. / Voltage regulators. / Zero current switching. / Maximum Power Point Tracking. / Output voltage regulation. / Photovoltaic power conditioning system. / Photovoltaic systems. / Positive and negative output voltages. / Pulse width modulation control. / Two degrees of freedom. / Zero voltage and zero current switching. / DC-DC converters.

A single-switch quadratic boost with stacked zeta converter

Author

Eskandari, R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2021

Subjects

Power electronics. / Active switches. / BOOST converter. / High step-up converters. / Input and outputs. / Low conduction loss. / Output voltages. / Overall efficiency. / Voltage conversion ratio. / DC-DC converters.

On the influence of shape and material used for the femoral component pegs in knee prostheses for reducing the problem of aseptic loosening

Author

Bahraminasab, M.

Pub. Year

2014

Subjects

Finite element analysis. / Peg design. / Arthroplasty. / Chromium alloys. / Design of experiments. / Finite element method. / Geometry. / Implants (surgical) / Knee prostheses. / Multiobjective optimization. / Porous materials. / Shielding. / Aseptic loosening. / Biomedical devices. / Functionally graded material (FGM) / Materials selection. / Multi-criteria decision making. / New product development. / Reference material. / Total knee replacement. / Product design.

Multi-objective design optimization of functionally graded material for the femoral component of a total knee replacement

Author

Bahraminasab, M.

Pub. Year

2014

Subjects

Material selection and design. / Arthroplasty. / Biological materials. / Chromium alloys. / Design. / Design of experiments. / Functions. / Implants (surgical) / Joints (anatomy) / Knee prostheses. / Large scale systems. / Optimal systems. / Optimization. / Aseptic loosening. / Engineered biomaterials. / Functionally graded material (FGM) / Material selection. / Multi objective decision making. / Multi-objective design optimization. / Response surface methodology. / Total knee replacement. / Functionally graded materials.

Rainbow cycle number and efx allocations: (almost) closing the gap

Author

Chashm Jahan, S.

Publisher

International Joint Conferences on Artificial Intelligence,

Pub. Year

2023

Subjects

Combinatorial problem. / Cycle number. / Extremal combinatorics. / Fair allocation. / Indivisible good. / Low bound. / Rainbow cycles.

Influence of heat treatment and aging on microstructure and mechanical properties of Mg-1.8Zn-0.7Si-0.4Ca alloy

Author

Shaeri, M.

Publisher

Wiley-VCH Verlag,

Pub. Year

2019

Subjects

Aging. / Age hardening. / Aging of materials. / Calcium alloys. / Differential scanning calorimetry. / Field emission microscopes. / Hardness. / Heat treatment. / Mechanical properties. / Scanning electron microscopy. / Silicon alloys. / Solid solutions. / Spectrometers. / Ternary alloys. / X ray spectrometers. / Energy dispersive x-ray spectrometers. / Field emission scanning electron microscopy. / Microstructural examination. / Microstructure and mechanical properties. / Microstructures and mechanical properties. / Optimal conditions. / Solution treating. / Solution treatments. / Magnesium alloys.

The nonlinear diffusion bandwidth: A simple tool for optimizing dispersion maps

Author

Bunge, C. A.

Pub. Year

2006

Subjects

Bandwidth. / Diffusion. / Fiber optics. / Light transmission. / Nonlinear optics. / Phase shift keying. / Telecommunication links. / Transfer functions. / Dispersion management. / Modulation formats. / Nonlinear Schrodinger equation. / Optical transmission systems. / Dispersion (waves)

Capacity achieving linear codes with random binary sparse generating matrices over the binary symmetric channel

Author

Kakhaki, A. M.

Publisher

IEEE,

Pub. Year

2012

Subjects

Binary erasure channel. / Binary symmetric channel. / Block lengths. / Channel coding rate. / Equal probability. / Error exponent. / Error probabilities. / High probability. / Linear codes. / Matrix elements. / Maximum a posteriori decoders. / Probability of errors. / Sparse codes. / Sparse parity-check matrices. / Information theory. / Matrix algebra.

Effect of Design and Material on the Biomechanical Performance of Intervertebral Cage

Author

Fereydani, K. A.

Pub. Year

2024

Subjects

Coupled model. / Finite element analysis. / Intervertebral cage. / PEEK. / Spine. / Ligaments. / Residual stresses. / Biomechanical performance. / Coupled models. / Finite element analyse. / Finite element modelling (FEM) / Intervertebral cages. / Maximum stress. / Performance measure. / Spine. / Titania. / Muscle.

Effect of Cysteine Substitutions on the Structural and Magnetic Properties of Fe3O4–Cysteine/RGO and Fe3O4/RGO–Cysteine Nanocomposites

Author

Sahebalzamani, H.

Publisher

Springer New York LLC,

Pub. Year

2018

Subjects

Electrostatic self-assembly. / Graphene. / TEM. / VSM. / Amino acids. / Charged particles. / Electrostatics. / Fourier transform infrared spectroscopy. / High resolution transmission electron microscopy. / Magnetic properties. / Magnetite. / Magnetometers. / Nanocomposites. / Nanoparticles. / Saturation magnetization. / Self assembly. / Solutions. / Transmission electron microscopy. / Cysteine substitutions. / Electrostatic self assembly. / Fe3O4. / Negatively charged surfaces. / Positively charged surfaces. / Reduced graphene oxides. / Structural and magnetic properties. / Vibrating sample magnetometer. / Iron oxides.

Effect of cysteine substitutions on the structural and magnetic properties of Fe3O4–Cysteine/RGO and Fe3O4/RGO–Cysteine nanocomposites

Author

Sahebalzamani, H.

Publisher

Springer New York LLC,

Pub. Year

2019

Subjects

Electrostatic self-assembly. / Fe3O4. / TEM. / VSM. / Amino acids. / Charged particles. / Electrostatics. / Fourier transform infrared spectroscopy. / Graphene. / High resolution transmission electron microscopy. / Magnetic properties. / Magnetite. / Magnetometers. / Nanocomposites. / Nanoparticles. / Saturation magnetization. / Self assembly. / Solutions. / Transmission electron microscopy. / Cysteine substitutions. / Electrostatic self assembly. / Fe3O4. / Negatively charged surfaces. / Positively charged surfaces. / Reduced graphene oxides. / Structural and magnetic properties. / Vibrating sample magnetometer. / Iron oxides.

Effect of synthesis temperature of magnetic–fluorescent nanoparticles on properties and cellular imaging

Author

Sahebalzamani, H.

Publisher

Springer,

Pub. Year

2020

Subjects

Apoptosis. / Fe3O4/GQD. / Fluorescence imaging. / MTT. / Necrosis. / Cell death. / Fourier transform infrared spectroscopy. / Graphene quantum dots. / High resolution transmission electron microscopy. / Iron oxides. / Magnetite. / Nanoparticles. / Semiconductor quantum dots. / Synthesis (chemical) / Cellular imaging. / Flow cytometry analysis. / Fluorescent nanoparticles. / Fourier transform infra red (FTIR) spectroscopy. / Low cytotoxicities. / Photo-luminescent properties. / Synthesis temperatures. / Water solubilities. / Nanomagnetics.

Optimization of some experimental parameters in the electro membrane extraction of chlorophenols from seawater

Author

Lee, J.

Pub. Year

2009

Subjects

High performance liquid chromatography-ultraviolet detection. / 1-octanol. / A-coefficient. / Alkaline solutions. / Analytes. / Applied voltages. / Aquatic media. / Calibration curves. / Concentration levels. / Concentration of. / Donor and acceptor. / Driving forces. / Electrical potential. / Electro membrane extraction. / Electro-membranes. / Electrokinetic. / Enrichment factors. / Environmental water analysis. / Experimental parameters. / Extraction conditions. / HPLC-UV. / Limits of detection. / Migration process. / Relative standard deviations. / Sample clean-up. / Supported liquid membrane. / Chromatographic analysis. / Chromatography. / High pressure liquid chromatography. / Liquid membrane electrodes. / Liquids. / Organic solvents. / Phenols. / Signal to noise ratio. / Ultraviolet detectors. / Water analysis. / Liquid membranes. / Chlorophenol. / Octanol. / Pentachlorophenol. / Sea water. / Calibration. / Controlled study. / Electric potential. / High performance liquid chromatography. / Liquid membrane. / pH. / Priority journal. / Process optimization. / Product recovery. / Quantitative analysis. / Sea pollution. / Signal noise ratio. / Solvent extraction. / Validation process. / Chlorophenols. / Electrochemical Techniques. / Membranes, Artificial. / Seawater. / Solid Phase Extraction. / Water Pollutants, Chemical.

Coupling compensation for unmatched circular arrays in high-frequency applications

Author

Emadi, M.

Publisher

IET,

Pub. Year

2012

Subjects

Circular arrays. / Coupling effect. / External calibration. / High frequency HF. / High-frequency applications. / Location dependents. / Low frequency. / Multi-path effect. / Real environments. / Structural scattering. / Scattering parameters. / Parameter estimation.

A hybrid polynomial-time algorithm for the dynamic quantity discount lot size model with resale

Author

Mirmohammadi, H. S.

Pub. Year

2012

Subjects

Branch-and-bound. / Dynamic quantity discount. / Lot sizing with resale. / Time complexity function. / All-units discount. / Branch and bounds. / Branch-and-bound algorithms. / Break-points. / Leadtime. / Lot size. / Lot sizing. / Main structure. / Material requirement planning. / Optimal algorithm. / Optimal ordering policy. / Planning horizons. / Polynomial-time algorithms. / Quantity discount. / Sub-plans. / Test problem. / Time complexity. / Algorithms. / Dynamic programming. / Purchasing. / Sales. / Branch and bound method.