Subjects: Bioconversion. / Bioreactors. / Chemical oxygen demand. / Effluents. / Flocculation. / Fouling. / Membrane fouling. / Oxidation. / Particle size. / Polyelectrolytes. / Shape memory effect. / Cake layer resistances. / Chemical additive. / Flocculation process. / Manganese dioxide. / Membrane bioreactor. / Operating time. / Polymeric flocculation. / Soluble microbial products. / Membranes.

Enhanced control of grid forming VSCs in a micro-grid system under unbalanced conditions

Author: Zarei, S. F.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2018

Subjects: Distribution system. / Terminal current controller. / Unbalanced condition. / Voltage controller. / Voltage source converter. / Electric power systems. / Energy resources. / Power electronics. / Voltage control. / Terminal currents. / Controllers.

Wall thickness optimization of thick-walled spherical vessel using thermo-elasto-plastic concept

Author: Kargarnovin, M. H.

Pub. Year: 2005

Subjects: Elastoplasticity. / Graph theory. / Heat transfer. / Optimization. / Thermal effects. / Thermal load. / Thermoelasticity. / Elasto-plastic analysis. / Thermal autofrettage method. / Thermal loading. / Thick-walled spherical vessels. / Pressure vessels. / Thermoplastic.

Reinforcing fault ride through capability of grid forming voltage source converters using an enhanced voltage control scheme

Author: Zarei, F.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2018

Subjects: Asymmetrical short circuit fault. / Current reference limiter. / Distribution system. / Fault ride through. / Grid forming converters. / Voltage controller. / Energy resources. / Power converters. / Reinforcement. / Voltage control. / Current reference. / Distribution systems. / Fault ride-through. / Short-circuit fault. / Voltage controllers. / Voltage source converters. / Fault current limiters.

Fast maximum power point tracking for PV arrays under partial shaded conditions

Author: Ghasemi, M. A.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2016

Subjects: Maximum power point tracking (MPPT) / Photovoltaic cells. / Power electronics. / Global maximum. / Maximum Power Point Tracking. / Multiple-peak. / partially shaded condition (PSC) / Photovoltaic arrays. / Photovoltaic generation system. / PV arrays. / Maximum power point trackers.

Conceptual hydrosalinity model for prediction of salt load from wastewater flows into soil and ground water

Author: Abbaspour, M.

Pub. Year: 2009

Subjects: Ground water pollution. / Hydrosalinity. / Industrial wastewater flow. / Arid zone. / Flow volumes. / Ground water systems. / Industrial area. / Management practices. / Mass balance. / Model data. / Pollutant loads. / Steady state. / Study areas. / Total dissolved solids. / Total suspended solids. / Verification results. / Wastewater flow. / Arid regions. / Biochemical oxygen demand. / Dissolution. / Dissolved oxygen. / Geologic models. / Groundwater. / Industry. / Oil spills. / Pollution. / Soils. / Strategic planning. / Stream flow. / Wastewater treatment. / Water analysis. / Arid environment. / Biochemical oxygen demand. / Groundwater pollution. / Industrial waste. / Pollution control. / Salinity. / Soil water. / Suspended load. / Sustainable development. / Wastewater.

Reinforcing fault ride through capability of grid forming voltage source converters using an enhanced voltage control scheme

Author: Zarei, S. F.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2019

Subjects: Asymmetrical short circuit fault. / Current reference limiter. / Distribution system. / Fault ride through. / Grid forming converters. / Voltage controller. / Control systems. / Energy resources. / Fault current limiters. / Power converters. / Power quality. / Quality control. / Voltage control. / Circuit faults. / Current reference. / Distribution systems. / Fault ride-through. / Integrated circuit modeling. / Power conversion. / Short-circuit fault. / Voltage controllers. / Voltage source converters. / Electric power system control.

Efficient Observer-Dependent Simplification in Polygonal Domains

Author: Zarei, A.

Pub. Year: 2011

Subjects: Computational geometry. / Line simplification. / Planar visibility.

Permeability modeling using ANN and collocated cokriging

Author: Zarei, A.

Publisher: Society of Petroleum Engineers,

Pub. Year: 2010

Subjects: Acoustic impedance. / Engineering exhibitions. / Engineers. / Neural networks. / Neutron logging. / Petroleum engineering. / Principal component analysis. / Three dimensional. / Well logging. / 3-d modeling. / Artificial Neural Network. / Co-Kriging. / Collocated cokriging. / Correlated data. / Cross validation. / Geostatistical method. / Good correlations. / Kriging. / Neutron log. / Permeability modeling. / Reservoir engineers. / Reservoir permeability. / Sequential simulation. / Univariate. / Well log data. / Petroleum reservoir evaluation.

A practical approach for planar visibility maintenance

Author: Zarei, A.

Pub. Year: 2009

Subjects: Computational geometry. / Exact visibility maintenance. / Moving observer. / Planar polygonal scene. / Visibility polygon.

Query point visibility computation in polygons with holes

Author: Zarei, A.

Pub. Year: 2008

Subjects: Visibility polygon. / Polygon with holes. / Visibility decomposition.

Efficient computation of query point visibility in polygons with holes

Author: Zarei, A.

Pub. Year: 2005

Subjects: Algorithms. / Computation theory. / Computational geometry. / Data structures. / Problem solving. / Polygon with holes. / Visibility decomposition. / Visibility polygon. / Query languages.

Simultaneous triple joint movement fuzzy control in FES-assisted rowing exercise

Author: Zarei, M.

Pub. Year: 2012

Subjects: Functional Electrical Stimulation (FES) / Desired angles. / Electrical stimulations. / Experimental values. / External disturbances. / Joint movement. / Rowing. / Trajectory errors. / Biomedical engineering. / Fuzzy control. / Muscle. / SportS. / Joints (anatomy)

Fault detection and protection strategy for islanded inverter-based microgrids

Author: Zarei, F.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2019

Subjects: Fault detection method. / Inverter-based microgrid. / Microgrid (MG) / Microgrid protection strategy. / Electric fault currents. / Electric inverters. / Energy resources. / Grading. / Analytical sequence. / Coordination strategy. / Detection methods. / Distributed Energy Resources. / Islanded mode. / Micro grid. / Microgrid protections. / Protection coordination. / Fault detection.

Experimental investigation into the behaviour of a new replaceable bracing system

Author: Khonsari, S. V.

Pub. Year: 2012

Subjects: Cyclic loading. / Onshore structures. / Structural bracing systems. / Beam bracing systems. / Bending capacity. / Bracing systems. / Eccentric bracing. / Experimental investigations. / Flexural elements. / Off shore platforms. / Replaceable bracings. / Arctic engineering. / Cyclic loads. / Drilling platforms. / Energy dissipation. / Offshore structures. / Repair. / Retrofitting. / Steel structures. / Beams and girders.

Linearization error in synchronization of Kuramoto oscillators

Author: Hossein Ghorban, S.

Publisher: Elsevier Inc,

Pub. Year: 2021

Subjects: Eigenvalues and eigenfunctions. / Error analysis. / Estimation. / Linearization. / Matrix algebra. / Networks (circuits) / Social networking (online) / Coupled networks. / Intrinsic frequency. / Kuramoto models. / Kuramoto oscillators. / Linear formulation. / Linearisation. / Linearization errors. / Network. / Social network. / Undirected network. / Synchronization.

Assessment and comparison of اomogeneity and conformity indexes in step-and-shoot and compensator-based intensity modulated radiation therapy (IMRT) and three-dimensional conformal radiation therapy (3D CRT) in prostate cancer

Author: Salimi, M.

Pub. Year: 2017

Subjects: 3D CRT. / Compensator. / Conformity index. / Homogeneity index. / IMRT. / Step and shoot. / Conformal radiotherapy. / Human. / Intensity modulated radiation therapy. / Intermethod comparison. / Linear accelerator. / Male. / Multileaf collimator. / Outcome assessment. / Prescription. / Priority journal. / Process optimization. / Prostate cancer. / Radiation beam. / Radiation dose. / Radiation dose distribution. / Radiation dose reduction. / Three dimensional imaging. / Treatment planning. / Tumor volume.

A comprehensive digital protection scheme for low-voltage microgrids with inverter-based and conventional distributed generations

Author: Zarei, S. F.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2017

Subjects: Digital relay. / Distributed generation (DG) / Inverter-based distributed generation. / Microgrid. / Microgrid protection. / Distributed power generation. / Electric fault currents. / Electric inverters. / Electric relays. / Conventional protections. / Digital relays. / Distributed generations (DGs) / Inverter-based. / Microgrid protections. / Point of common coupling. / Single-phase tripping. / Electric power system protection.

Graph signal processing meets optical resource allocation

Author: Zarei, M. H.

Publisher: IEEE,

Pub. Year: 2024

Subjects: Graph signal processing. / Optical networks. / Resource allocation. / Blocking probability. / Optical data processing. / Signal modulation. / AS graph.

Introducing a comprehensive framework to measure spike-LFP coupling

Author: Zarei, M.

Publisher: Frontiers Media S.A,

Pub. Year: 2018

Subjects: Pairwise phase consistency. / Phase locking value. / Spike field coherence. / Spike-LFP phase coupling. / Learning algorithms. / Learning systems. / Locks (fasteners) / Neural networks. / Synchronization. / Conventional methods. / Least-squares approach. / Local field potentials. / Neural networks algorithms. / Neuronal synchronization. / Phase consistencies. / Phase coupling. / Neurons. / Article. / Controlled study. / Least square analysis. / Local field potential. / Machine learning. / Nerve cell. / Spike.

Total 25722 records