Sharif Digital Repository

Micro resonator nonlinear dynamics considering intrinsic properties

Author

Sayyaadi, H.

Pub. Year

2009

Subjects

Fuzzy. / Thermal effects. / A-thermal. / Cell mapping. / Damping forces. / Dynamic parameters. / Initial conditions. / Intrinsic property. / Lorentzian functions. / Main effect. / Micro resonator. / Micro resonators. / Model uncertainties. / Multiple time scale. / Non-linear model. / Non-Linearity. / Nonlinear dynamics. / Peak amplitude. / Perturbation method. / Proper models. / Pull-in instability. / Resonance frequencies. / Thermal phenomena. / Young's Modulus. / Damping. / Dynamic response. / Dynamical systems. / Dynamics. / Equations of motion. / Microelectromechanical devices. / Perturbation techniques. / Resonators. / Uncertainty analysis. / Frequency response. / Fuzzy mathematics. / Micromechanics. / Numerical model. / Parameterization. / Resonance. / Temperature effect. / Young modulus.

Design of mixed fuzzy-GA controller for SCARA type robot

Author

Eftekharian, A. A.

Pub. Year

2006

Subjects

Friction. / Fuzzy control. / Genetic algorithms. / Intelligent control. / Machine design. / Optimization. / Robotic arms. / Dynamic coupling. / Mixed fuzzy controllers. / Selective Compliance Assembly Robot Arms (SCARA) / Control equipment.

Design of robust mixed fuzzy controller for gas metal arc welding process

Author

Eftekharian, A. A.

Publisher

American Society of Mechanical Engineers (ASME),

Pub. Year

2006

Subjects

Computer simulation. / Gas metal arc welding. / Mathematical models. / Optimization. / Uncertainty analysis. / Mixed Fuzzy Control (MFC) structure. / Single-Input Single-Output (SISO) / Tracking performance. / Traditional Fuzzy Controller (TFC) / Fuzzy control.

Design of a GaN white light-emitting diode through envelope function analysis

Author

Khoshnegar, M.

Pub. Year

2010

Subjects

Envelope function analysis. / Gan. / Optical intensity spectrum. / Atomic transition. / Blue emission. / Emission spectrums. / Envelope function approximations. / Envelope functions. / Heterostructures. / Hole wave functions. / Interband. / Internal field. / K-p method. / Luttinger Hamiltonian. / Material compositions. / Matrix elements. / Optical intensities. / Orthogonal polarizations. / Photoluminescence intensities. / Quantum well. / Red emitter. / Spatial variations. / Special basis. / Spontaneous polarizations. / Stokes shift. / Sub-bands. / Well thickness. / White LED. / White light emitting diodes. / Diodes. / Electron mobility. / Emission spectroscopy. / Fiber optic sensors. / Gallium alloys. / Gallium nitride. / Heterojunctions. / Light. / Light emission. / Light emitting diodes. / Physical optics. / Polarization. / Semiconductor quantum dots. / Semiconductor quantum wells. / Transfer matrix method. / Wave functions. / Orthogonal functions.

Diffraction analysis of extraction efficiency for photonic crystal based white light emitting diodes

Author

Khoshnegar, M.

Publisher

Optical Society of America,

Pub. Year

2009

Subjects

Light emitting diodes. / Gallium nitride. / Patterned sapphire. / Matrix methods. / White light emitting diodes. / Photonic crystals. / Waveguide cores. / White light.

Diffraction analysis of extraction efficiency for photonic crystal based white light emitting diodes

Author

Khoshnegar, M.

Pub. Year

2009

Subjects

Light emitting diodes. / Gallium nitride. / Patterned sapphire.

Coupled plasmonic quantum bits

Author

Eftekharian, A.

Pub. Year

2010

Subjects

Coupling. / Dispersive media. / Effective index. / Guided modes. / Harmonic inversions. / Plasmonic crystals. / Quantum bits. / Revised guided mode expansion. / Crystal structure. / Crystals. / Electron devices. / Electron gas. / Electronic properties. / Electrons. / Finite difference time domain method. / Guided electromagnetic wave propagation. / Heterojunctions. / Nanophotonics. / Plasmons. / Quantum optics. / Two dimensional. / Two dimensional electron gas. / Waveguides. / Quantum entanglement.

Revised guided mode expansion on dispersive photonic media

Author

Eftekharian, A.

Pub. Year

2009

Subjects

Dispersion. / Effective index. / Harmonic inversion. / Photonic crystals. / Revised guided mode expansion method. / Analytical treatment. / Cell averaging. / Dielectric matrixes. / Dielectric medium. / Discretization. / Dispersion relations. / Dispersive relation. / Drude models. / Effective medium. / Eigen function. / FDTD method. / Finite number. / Frequency dependent permittivity. / Frequency domains. / Guided modes. / Harmonic inversions. / Light lines. / Maxwell-Garnett. / Numerical dispersions. / Orthonormal basis. / Photonic dispersion. / Photonic-crystal slab. / Plane wave. / Plane wave methods. / Band structure. / Crystal atomic structure. / Dispersion (waves) / Dispersions. / Finite difference time domain method. / Garnets. / Guided electromagnetic wave propagation. / Harmonic analysis. / Numerical methods. / Phonons. / Silicon on insulator technology.

Unraveling Legal Complexities: Muslim and non-Muslim Estate Administration Process in Malaysia and Brunei

Author

Nasrul, M. A. D.

Pub. Year

2024

Subjects

Administrative bodies. / Beneficiaries. / Inheritance. / Legal system.

Intelligent semi-active vibration control of eleven degrees of freedom suspension system using magnetorheological dampers

Author

Zareh, S. H.

Pub. Year

2012

Subjects

Clipped optimal control algorithm. / MR damper. / Neuro-fuzzy strategy. / Full car model. / Linear quadratic Gaussian. / MR dampers. / Neuro-Fuzzy. / Optimal control algorithm. / Suspension system. / Algorithms. / Automobiles. / Control. / Damping. / Delay control systems. / Fuzzy control. / Fuzzy logic. / Model automobiles. / Neural networks. / Robustness (control systems) / Suspensions (components) / Controllers.

Performance and exhaust emission characteristics of a spark ignition engine operated with gasoline and CNG blend

Author

Dashti, M.

Pub. Year

2012

Subjects

Emission characteristics. / First law of thermodynamics. / Ignition delay time. / Mass and energy conservation. / Performance characteristics. / Quasi-dimensional combustion model. / Spark-ignition engine. / Thermodynamic process. / Blending. / Combustion chambers. / Computer simulation. / Diesel engines. / Engines. / Fuels. / Newton-Raphson method. / Thermodynamic properties. / Gasoline.

A comparative study of the performance of a SI engine fuelled by natural gas as alternative fuel by thermodynamic simulation

Author

Dashti, M.

Publisher

American Society of Mechanical Engineers (ASME),

Pub. Year

2009

Subjects

Alternative fuels. / Combustion equipment. / Data flow analysis. / Engines. / Fossil fuels. / Gas engines. / Gasoline. / Ignition. / Natural gas. / Natural gasoline. / Newton-Raphson method. / Numerical analysis. / Specific heat. / Thermodynamics. / Combustion pro-cess. / Comparative studies. / Compression process. / Computer simulation codes. / Concentration of. / Cost effective. / Design and analysis. / Engine operations. / Exhaust emission. / Expansion process. / Experimental data. / First law of thermodynamics. / Flame front. / Gibbs function. / Hydrogen ratio. / Ignition delay time. / Internal energies. / Mass burning rate. / Numerical solution. / Performance characteristics. / Pollutant emission. / Pressure and temperature. / SI Engines. / Simulated results. / Spark ignition engines. / Specific enthalpy. / Temperature-dependent specific-heat. / Thermal efficiency. / Thermodynamic simulations. / Computer simulation.

Analytical and experimental analyses of nonlinear vibrations in a rotary inverted pendulum

Author

Dolatabad, M.R.

Publisher

Springer Science and Business Media B.V,

Pub. Year

2022

Subjects

Analytical models. / Dynamic stability. / Inverted pendulum. / Nonlinear vibration. / Closed loop systems. / Dynamical systems. / Equations of motion. / Nonlinear equations. / Pendulums. / State feedback. / Vibration analysis. / Analytical analysis. / Dynamics stability. / Experimental analysis. / Gaining insights. / Non-linear vibrations. / Numerical solution. / Rotary inverted pendulums. / Stable equilibrium. / Vibratory response. / 3D modeling.

A suction-controlled ring device to measure the coefficient of lateral soil pressure in unsaturated soils

Author

Pirjalili, A.

Publisher

ASTM International,

Pub. Year

2020

Subjects

Active. / At-rest. / Density. / Lateral soil pressure. / Matric suction. / Ring device. / Clay. / Density (specific gravity) / Soil surveys. / Textures. / At rests. / Matric suctions. / Soil pressure. / Unsaturated soil. / Strain. / Clay soil. / Detection method. / Effective stress. / Soil test. / Soil texture. / Soil type.

Gum tragacanth gels as a new supporting matrix for immobilization of whole-cell

Author

Otady, M.

Pub. Year

2005

Subjects

Gum tragacanth. / Crosslink. / Ionomer. / Penicillin G acylase. / Immobilized whole-cell.

True Class-E Design For Inductive Coupling Wireless Power Transfer Applications

Author

Haeri, A. A. R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2022

Subjects

Electromagnetic coupling. / Electromagnetic induction. / Inductive power transmission. / Power amplifiers. / Class E. / Class E power amplifiers. / Closed form. / Design equation. / E-operations. / Form design. / Inductive couplings. / Power transfer systems. / Secondary coils. / System use. / Energy transfer.

Crashworthiness determination of side doors and B pillar of a vehicle subjected to pole side impact

Author

Lilehkoohi, A. H.

Pub. Year

2014

Subjects

Modeling. / Pole impact. / Simulation. / Automobile testing. / Automotive engineering. / Crashworthiness. / Models. / Poles. / Software testing. / Stars. / Vehicles. / Adult protection. / LS-DYNA. / NCAP. / Star ratings. / Accidents.

Investigation of Thickness Influences On Energy Absorption For Side Doors And B Pillar In Euro NCAP Pole Side Impact Test

Author

Lilehkoohi, A. H.

Pub. Year

2014

Subjects

Modeling. / Automotive engineering. / Crashworthiness. / Energy absorption. / Models. / Adult protection. / LS-DYNA. / NCAP. / Pole impacts. / Simulation. / Star ratings. / Poles.

Crashworthiness determination for front and rear doors and B pillar subjected to side impact crash by a mobile deformable barrier

Author

Lilehkoohi, A. H.

Pub. Year

2013

Subjects

Crash modeling. / Crash optimization. / Crash simulation. / Crashworthiness. / LS DYNA. / Material selection. / NCAP. / Side impact.