Subjects: Optimal control. / Continuous time. / Continuous time nonlinear systems. / Finite number. / Linear approximations. / Newton methods. / Non-linear optimal control. / Nonlinear control problems. / Numerical optimizations. / Optimal control problem. / Optimal control technique. / Optimal controls. / Optimization problems. / Real-time optimization. / Suboptimal solution. / Target state. / Waypoints. / Newton-Raphson method. / Nonlinear control systems. / Nonlinear systems. / Optimization. / Real time systems. / Continuous time systems.

Optimal MIMO waveform design with controlled characteristics

Author: Karbasi, S. M.

Publisher: IEEE Computer Society,

Pub. Year: 2015

Subjects: Communication channels (information theory) / Constrained optimization. / MIMO radar. / MIMO systems. / Optimization. / Radar. / Radar systems. / Signal processing. / Signal receivers. / Space time adaptive processing. / Space time codes. / Ambiguity function. / Constrained optimi-zation problems. / Detection performance. / MIMO (multiple-input multiple output) / Receive filter design. / Receive filters. / Successive iteration. / Waveform designs. / Signal to noise ratio.

A fast and novel method of pattern synthesis for non-uniform phased array antennas

Author: Tohidi, E.

Publisher: IEEE Computer Society,

Pub. Year: 2015

Subjects: Antenna arrays. / Directional patterns (antenna) / Least squares approximations. / Radar. / Radar antennas. / Synthesis (chemical) / Angular positioning. / High-directivity. / Least square errors. / Low sidelobe level. / Nonuniform arrays. / Pattern nulling. / Pattern synthesis. / Phased array antennas. / Antenna phased arrays.

Sustainable solutions for advanced energy management system of campus microgrids: model opportunities and future challenges

Author: Muqeet, H. A.

Publisher: MDPI,

Pub. Year: 2022

Subjects: Demand-side management. / Distributed energy resources. / Distributed generation. / Smart grid. / Demand side management. / Distributed power generation. / Electric power transmission networks. / Energy management. / Energy management systems. / Renewable energy resources. / Smart power grids. / Storage management. / Advanced energy management system. / Campus microgrid. / Energy storage system. / Future challenges. / Load type. / Microgrid. / Microgrid modeling. / Storage systems. / Sustainable solution. / Energy storage. / Human. / Power supply. / Renewable energy. / Electric Power Supplies. / Electricity. / Humans.

Atomistic insight into salinity dependent preferential binding of polar aromatics to calcite/brine interface: implications to low salinity waterflooding

Author: Koleini, M. M.

Publisher: Nature Research,

Pub. Year: 2021

MIMO ambiguity function optimization through waveform design

Author: Radmard, M.

Publisher: IEEE Computer Society,

Pub. Year: 2015

Subjects: Radar. / Radar systems. / Waveform analysis. / Ambiguity function. / Missed detections. / Wave forms. / Waveform designs. / MIMO radar.

Laminar falling film flow of aqueous Li Br solution on a horizontal elliptical tube

Author: Abyaneh, M. H. J.

Pub. Year: 2013

Subjects: Better performance. / Cartesian coordinate. / Continuity equations. / Falling liquid films. / Film velocity distributions. / Flow charac-teristics. / Flow hydrodynamics. / Mass concentration. / Aspect ratio. / Laminar flow. / Liquid films. / Lithium. / Navier Stokes equations. / Tubes (components)

Velocity distributions in (r,θ) directions for laminar flow of a film around horizontal circular tube

Author: Abyaneh, M. H. J.

Publisher: American Society of Mechanical Engineers,

Pub. Year: 2006

Subjects: Condensers (liquefiers) / Evaporators. / Laminar flow. / Mathematical models. / Navier Stokes equations. / Thin films. / Velocity control. / Continuity equations (CE) / Horizontal circular tubes. / Velocity distributions. / Tubes (components)

Velocity distributions in (r,θ) directions for laminar flow of a film around horizontal circular tube

Author: Abyaneh, M. H. J.

Pub. Year: 2006

Subjects: Mathematical models. / Navier Stokes equations. / Thickness measurement. / Thin films. / Absorption chillers. / Circular tubes. / Continuity equation (CE) / Falling liquid films. / Velocity distributions. / Laminar flow.

An experimental investigation of foam for gas mobility control in a low-temperature fractured carbonate reservoir

Author: Gandomkar, A.

Pub. Year: 2012

Subjects: Critical micellar concentration. / Foam. / Carbonate rock. / Commercial surfactants. / Core flooding. / Critical micellar concentrations. / Economic considerations. / Effect of CO. / Experimental investigations. / FAWAG. / Field-scale simulation. / Foam generation. / Fractured carbonate reservoirs. / Light oil reservoirs. / Live oil. / Low temperatures. / Macroscopic sweep. / Mobility control. / Oil recoveries. / Oil reservoirs. / Optimum conditions. / Recovery factors. / Reliable decision. / Reservoir conditions. / Sodium lauryl sulfates. / Surfactant concentrations. / Water alternating gas. / Water alternating gas process. / Water saturations. / Anionic surfactants. / Carbon dioxide. / Core samples. / Foams. / Petroleum reservoir engineering. / Petroleum reservoirs. / Recovery. / Secondary recovery. / Temperature. / Water injection. / Foam control.

Study of behavior of two phase flow in vertical large diameter pipe

Author: Kebriayi, M. H.

Pub. Year: 2010

Subjects: 3-D numerical analysis. / Air-water two phase flows. / Average void fraction. / Empirical correlations. / Engineering systems. / Flow charac-teristics. / Large diameter pipes. / Pressure-velocity coupling. / Air. / Air intakes. / Fluid dynamics. / Two phase flow. / Void fraction. / Pipe.

Experimental investigation of an open loop pulsating heat pipe using ferrofluid

Author: Mohammadi, M.

Pub. Year: 2012

Subjects: Charging ratio. / Concentration. / Open loop pulsating heat pipe (OLPHP) / Orientation. / Charging ratios. / Distilled water. / Experimental investigations. / Ferrofluid. / Loop pulsating heat pipes. / Low heat inputs. / Thermal Performance. / Working fluid. / Concentration (process) / Crystal orientation. / Heat pipes. / Heat transfer. / Magnetic fields. / Magnetic fluids. / Mass transfer. / Heat resistance.

Challenges in calculation of critical buckling load of tubular members of jacket platforms in finite element modeling

Author: Tabeshpour, M. R.

Publisher: Springer Tokyo,

Pub. Year: 2019

Subjects: Jacket type offshore platforms. / ABAQUS. / Drilling platforms. / Finite element method. / Mesh generation. / Offshore oil well production. / Compressive behavior. / ISO equation. / Jacket type offshore platform. / Local buckling. / Tubular members. / Ultimate capacity. / Buckling.

Challenges in calculation of critical buckling load of tubular members of jacket platforms in finite element modeling

Author: Tabeshpour, M. R.

Publisher: Springer Tokyo,

Pub. Year: 2019

Subjects: Compressive behavior. / ISO equation. / Jacket type offshore platforms. / Local buckling. / Tubular members. / Ultimate capacity. / ABAQUS. / Drilling platforms. / Finite element method. / Mesh generation. / Offshore oil well production. / Jacket type offshore platform. / Ultimate capacity. / Buckling.

Challenges in calculation of critical buckling load of tubular members of jacket platforms in finite element modeling

Author: Tabeshpour, M. R.

Publisher: Springer,

Pub. Year: 2020

Subjects: Compressive behavior. / ISO equation. / Jacket type offshore platforms. / Local buckling. / Tubular members. / Ultimate capacity. / ABAQUS. / Drilling platforms. / Finite element method. / Mesh generation. / Offshore oil well production. / Compressive behavior. / ISO equation. / Jacket type offshore platform. / Local buckling. / Tubular members. / Ultimate capacity. / Buckling.

Periodicity in contrast with sidelobe suppression in random signal radars

Author: Tohidi, E.

Pub. Year: 2011

Subjects: Masking effect. / Noise radars. / Periodicity. / Random signal. / Side-lobe reduction. / Side-lobe suppression. / Sidelobe. / Waveform designs. / Radar.

Incorporating betweenness centrality in compressive sensing for congestion detection

Author: Ayatollahi Tabatabaii, H. S.

Pub. Year: 2013

Subjects: Compressive sensing. / Network tomography. / Prior knowledge. / Betweenness centrality. / Congested links. / Congestion detection. / Objective functions. / Real data sets. / Computer simulation. / Knowledge based systems. / Signal reconstruction.

An improved multi-state constraint kalman filter for visual-inertial odometry

Author: Abdollahi, M. R.

Pub. Year: 2024

Subjects: Fast MSCKF. / MSCKF. / Agile manufacturing systems. / Air navigation. / Global positioning system. / Image processing. / Inertial navigation systems. / Real time control. / Robots. / Agile motion. / Fast multi-state constraint kalman filter. / Global Navigation Satellite Systems. / Multi-state. / Multi-state constraint kalman filter. / Odometry. / State constraints. / Visual-inertial odometry. / Kalman filter.

Fracture properties of steel fiber reinforced high strength concrete using work of fracture and size effect methods

Author: Kazemi, M. T.

Publisher: Elsevier Ltd,

Pub. Year: 2017

Subjects: Fracture energy. / High-strength concrete. / Steel fiber. / Toughness. / Bending tests. / Concretes. / Fibers. / Fracture. / Fracture mechanics. / High performance concrete. / High strength steel. / Reinforced concrete. / Reinforcement. / Software testing. / Steel fibers. / Characteristic length. / Experimental program. / Fiber volume fractions. / Fracture behavior. / Fracture parameter. / High strength concretes. / Steel fiber reinforced high strength concrete. / Three-point bending test. / Brittle fracture.

2-D spectral estimation in CW forward scatter radars

Author: Hamdollahzadeh, M.

Publisher: IEEE Computer Society,

Pub. Year: 2015

Subjects: 2D Capon. / 2D periodogram. / Forward Scattering Radar. / Spectral estimation. / Direction of arrival. / Fast Fourier transforms. / Forward scattering. / Radar. / Space time adaptive processing. / Spectrum analysis. / 2D Capon. / Angle of arrival. / Doppler frequency shift. / Forward-scatter radar. / Periodograms. / Space-time processing. / Spectral estimation methods. / Space-based radar.

Total 25638 records