Sharif Digital Repository

Scheduling of H∞ controllers in horizontal axis wind turbines

Author

Poureh, A.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Controller blending. / Controller scheduling. / Frozen-input theory. / H∞ control. / Hidden coupling terms. / Pole–zero–gain scheduling. / Slowly varying systems. / Uncertain systems. / Wind power generation. / Blending. / Poles. / Scheduling. / Stability. / Wind. / Wind turbines. / Basic characteristics. / Canonical controllers. / Complex transfer functions. / Horizontal axis wind turbines. / Stability properties. / Uncertainty estimation. / Variable speed-variable pitches. / Wind speed estimations. / Controllers.

Robust control design for an industrial wind turbine with HIL simulations

Author

Poureh, A.

Publisher

ISA - Instrumentation, Systems, and Automation Society,

Pub. Year

2020

Subjects

Collective pitch control. / Disturbance accommodation control. / Flexible mode damping. / Full-state feedback. / H∞ control. / HIL simulation. / Pole-placement. / Reduced order systems. / Uncertainty estimation. / Wind power generation. / Controllers. / Hardware-in-the-loop simulation. / Robust control. / Uncertainty analysis. / Closed-loop performance. / Design and implementations. / Hardware in the loop simulator. / Reduced order models. / Robust control designs. / Variable speed-variable pitches. / Weighting functions. / Wind turbines.

Mode decomposition approach in robust control design for horizontal axis wind turbines

Author

Poureh, A.

Publisher

John Wiley and Sons Ltd,

Pub. Year

2020

Subjects

H∞ control. / Loop shaping. / Weighting function selection. / Wind power generation. / Damping. / Electric power generation. / Multivariable control systems. / Robust control. / Torque control. / Uncertain systems. / Wind power. / Active vibration damping. / Loop-shaping. / Mode decomposition. / Multivariable control. / Weighting functions. / Wind turbines. / Control system. / Decomposition. / Multivariate analysis. / Torque. / Wind turbine.

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.

Effect of material and thickness of side doors and B pillar on crashworthiness in euro NCAP side impact crash test

Author

Lilehkoohi, A. H.

Pub. Year

2013

Subjects

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

Effect of recycle gas composition of the performance of Fischer-Tropsch catalyst

Author

Rohani, A. A.

Pub. Year

2010

Subjects

Alumina. / Fischer-Tropsch. / Selectivity. / Catalyst performance. / CO conversion. / Cobalt catalyst. / Effect of CO. / Effect of temperature. / Feed flow rate. / Feed streams. / Fischer Tropsch. / Fischer-Tropsch catalysts. / Gas compositions. / Negative influence. / Volatile components. / Carbon dioxide. / Catalyst activity. / Catalyst deactivation. / Catalyst poisoning. / Cobalt. / Hydraulics. / Inert gases. / Methane. / Catalyst selectivity.

Simulation and estimation of normal dispersion phenomenon in an acentric organic crystal (NPP) by the quantum photonic approach

Author

Kaatuzian, H.

Pub. Year

2007

Subjects

Computer simulation. / Dispersions. / Estimation. / Laser beams. / Monte Carlo methods. / Quantum theory. / Acentric organic crystals. / Electron systems. / Energetic particles. / Measurement data. / Photonic crystals.

Water electrolyte transport through corrugated carbon nanopores [electronic resource] / A. Moghimi Kheirabadi, A. Moosavi.

Author

Moghimi Kheirabadi . A.

Subjects

Carbon nanotubes. / Molecular dynamics. / Viscosity Ion concentrations. / Molecular mechanism. / Nonequilibrium molecular dynamics simulation. / Roughness amplitude. / Temperature increase. / Viscosity increase. / Water electrolytes. / Radial density profile. / Electrolytes.

Catalytic wet peroxide oxidation of phenol in a new two-impinging-jets reactor

Author

Dehkordi, A. M.

Pub. Year

2009

Subjects

Catalyst loadings. / Catalyst particles. / Catalytic wet peroxide oxidation. / Complex flow. / Complex trajectories. / Concentration of. / Contact pattern. / Design parameters. / Feed flow rate. / Impingement zones. / Jet diameter. / Mass transfer resistances. / Packed bed reactor. / Perforated plate. / Performance capability. / Reaction chambers. / Reaction system. / Solid particles. / Stirred tank reactors. / Total organic carbon. / Batch reactors. / Catalysis. / Catalysts. / Catalytic oxidation. / Flow patterns. / Hydrogen peroxide. / Jets. / Oil shale. / Organic carbon. / Packed beds. / Phenols. / Reynolds number. / Activated carbon.