Sharif Digital Repository

Upper bounds for the 2-hued chromatic number of graphs in terms of the independence number

Author

Dehghan, A.

Publisher

Elsevier,

Pub. Year

2012

Subjects

2-hued chromatic number. / 2-hued coloring. / Independence number. / Probabilistic method. / Chromatic number. / Chromatic number of graphs. / Graph G. / Independence number. / Probabilistic methods. / Regular graphs. / Two-color. / Upper Bound. / Networks (circuits) / Graph theory.

In-flight estimation of time-varying aircraft center of gravity position based on kinematics approach

Author

Dehghan Manshadi, A.

Publisher

American Institute of Aeronautics and Astronautics Inc,

Pub. Year

2018

Subjects

Adaptive control systems. / Aircraft. / Flight control systems. / Intelligent systems. / Kinematics. / Monte Carlo methods. / Parachutes. / Religious buildings. / Structural health monitoring. / Adaptive flight controls. / Center of gravity. / Health and usage monitoring systems. / Measurement data. / Model and simulation. / Model uncertainties. / Position estimation. / Relative acceleration. / Uncertainty analysis.

Decoupled scalar approach for aircraft angular motion estimation using a gyro-free inertial measurement unit

Author

Dehghan Manshadi, A.

Publisher

American Society of Mechanical Engineers (ASME),

Pub. Year

2019

Subjects

Aircraft angular motion estimation. / Decoupled scalar form. / Accelerometers. / Aircraft. / Equations of state. / Estimation. / Extended Kalman filters. / Free flight. / Gyroscopes. / All-accelerometers IMU. / Estimation algorithm. / Extended Kalman filter (EKFs) / Inertial measurement unit. / Mathematical modeling and simulation. / Measurement equations. / Relative acceleration. / Rigid body kinematics. / Motion estimation.

Aircraft mass properties estimation during airdrop maneuver: A nonlinear filtering approach

Author

Dehghan Manshadi, A.

Publisher

AIAA International,

Pub. Year

2021

Subjects

Adaptive control systems. / Aerodynamics. / Flight control systems. / Intelligent systems. / Monte Carlo methods. / Nonlinear analysis. / Nonlinear filtering. / Parameter estimation. / Uncertainty analysis. / Aircraft mass. / Estimation process. / Mass properties. / Measurement data. / Model outputs. / Model-based OPC. / Parameter estimation problems. / Property estimation. / System dynamics modelling. / Technology data. / Extended Kalman filters.

Visualization and quantification of asphaltinic-heavy oil displacement by co-solvents at different wettability conditions

Author

Dehghan, A.A.

Pub. Year

2010

Subjects

Asphaltene. / Co-Solvent. / Five-spot micromodel. / Heavy oil. / Visualization. / Wettability. / Alcohol group. / Chemical compositions. / Commercial chemicals. / Displacement efficiency. / Experimental studies. / Five-spot. / Hydrocarbon solvents. / Improve oil recovery. / Oil recoveries. / Oil recovery efficiency. / Solvent injection. / Solvent mixtures. / Sweep efficiency. / Wet media. / Asphaltenes. / Crude oil. / Heavy oil production. / Hydrocarbons. / Mixtures.

A novel concept drift detection method in data streams using ensemble classifiers

Author

Dehghan, M.

Publisher

IOS Press,

Pub. Year

2016

Subjects

Change detection. / Concept drift. / Ensemble learning. / Data communication systems. / Weather forecasting. / Change detection. / Concept drifts. / Data stream. / Ensemble learning. / Online learning. / Intrusion detection.

Wettability alteration of oil-wet carbonate porous media using silica nanoparticles: Electrokinetic characterization

Author

Dehghan Monfared, A.

Publisher

American Chemical Society,

Pub. Year

2019

Subjects

Calcite. / Carbonation. / Contact angle. / Electrodynamics. / Flotation. / Nanofluidics. / Nanoparticles. / Petroleum reservoir engineering. / Porous materials. / Silica. / Silica nanoparticles. / Wetting. / Coupling coefficient. / Electrokinetic parameters. / Engineering implications. / Enhanced oil recovery. / Mechanistic studies. / Streaming Potential. / Technological process. / Wettability alteration. / Enhanced recovery.

The Sitnikov problem investigation with the method of multiple scales

Author

Dehghan Manshadi, A.

Publisher

Springer International Publishing,

Pub. Year

2018

Subjects

Perturbation technique. / Sitnikov equation. / The Method of Multiple Scales.

Adaptive nonlinear observer design using feedforward neural networks

Author

Dehghan Nayeri, M. R.

Publisher

Sharif University of Technology,

Pub. Year

2005

Subjects

Algorithms. / Backpropagation. / Computer simulation. / Estimation. / Mathematical models. / Multilayer neural networks. / Backpropagation algorithm. / Linearly parameterized neural networks (LPNN) / Feedforward neural networks. / Neural network. / Non-linear dynamics.