Subjects: Distribution system. / Failure probability. / Disasters. / Economic and social effects. / Electric load flow. / Feeding. / Flow graphs. / Heuristic algorithms. / Heuristic methods. / Microgrids. / Outages. / Probability distributions. / Systems engineering. / Critical load. / Distribution feeders. / Distribution systems. / Microgrid. / Natural disasters. / Optimal resilience. / Optimization framework. / Resiliency. / Trade off. / Optimization.

An efficient mixed-integer linear formulation for long-term overhead lines maintenance scheduling in power distribution systems

Author: Abiri Jahromi, A.

Pub. Year: 2009

Subjects: Asset managers. / Computational savings. / Distribution networks. / Electrical equipment. / Failure rate. / Linear formulation. / Long term. / Maintenance optimization. / Maintenance scenario. / Maintenance schedules. / Maintenance scheduling. / Mixed-integer linear programming. / Power distribution system. / Reliability constraints. / Risk factors. / Risk strategies. / Test systems. / Time-dependent deterioration. / Asset management. / Distributed parameter networks. / Dynamic programming. / Electric load distribution. / Linear programming. / Linearization. / Maintainability. / Optimization. / Overhead lines. / Risk analysis. / Risk management. / Risk perception. / Systems engineering. / Unmanned aerial vehicles (UAV) / Integer programming.

Warranty servicing for discretely degrading items with non-zero repair time under renewing warranty

Author: Vahdani, H.

Pub. Year: 2013

Subjects: Adomian decomposition. / Adomian decomposition method. / Analytic approximate solution. / Multi-state system. / Renewing free-replacement warranty. / Simulation. / Simulation-based optimizations. / Warranty servicing costs. / Cost benefit analysis. / Maintenance. / Repair.

Investigating dynamic response of a buried pipeline in sandy soil layer by 1G shaking table test

Author: Jafarzadeh, F.

Pub. Year: 2010

Subjects: Buried pipe. / Laminar shear box. / Sand. / Shaking table test. / Strain.

Dynamic parameters of dry sand using one dimensional shaking table tests

Author: Jafarzadeh, F.

Pub. Year: 2006

Subjects: Damping ratio. / Dry sand. / Dynamic loadings. / Dynamic parameters. / Dynamic property. / Laminar shear box. / Low confining pressure. / Maximum shear modulus. / Shaking table tests. / Shear wave velocity. / Dynamic loads.

On exponential flocking to the virtual leader in network of agents with double-integrator dynamics

Author: Jahromi, H. T.

Pub. Year: 2013

Subjects: Convergence rate. / Double-integrator dynamics. / Flocking. / Stability. / Convergence rates. / In networks. / Initial conditions. / Linear algorithms. / Lower bounds. / Virtual leader. / Convergence of numerical methods. / Engineering. / Mathematical models. / Algorithms.

Optimization of multi-objective redundancy allocation problem with non-homogeneous components

Author: Eshraghniaye Jahromi, A.

Publisher: Elsevier Ltd,

Pub. Year: 2017

Subjects: Multi-objective reliability optimization. / Non-homogeneous components. / NSGA-II. / Redundancy allocation problem. / Composite structures. / Costs. / Evolutionary algorithms. / Genetic algorithms. / Multiobjective optimization. / Optimization. / Pareto principle. / Reliability. / Multi objective evolutionary algorithms. / Multi-objective formulation. / Non dominated sorting genetic algorithm ii (NSGA II) / Non-homogeneous. / NSGA-II. / Redundancy allocation problem. / Redundancy allocation problem (RAP) / Reliability optimization. / Redundancy.

A modified low rank learning based on iterative nuclear weighting in ripplet transform for denoising MR images

Author: Farhangian, N.

Publisher: Institute of Electrical and Electronics Engineers Inc,

Pub. Year: 2021

Subjects: Gaussian noise (electronic) / Image denoising. / Iterative methods. / Learning systems. / Magnetic resonance imaging. / Singular value decomposition. / Minimization problems. / MR-images. / Nuclear norm minimizations. / Peak signal to noise ratio. / Rank learning. / Ripplet transforms. / Similarity indices. / Structural similarity. / Structural similarity index. / Weighted nuclear norm. / Signal to noise ratio.

Optimized midterm preventive maintenance outage scheduling of thermal generating units

Author: Abiri-Jahromi, A.

Pub. Year: 2012

Subjects: Mixed integer linear programming. / Aging process. / Mixed integer linear programming. / Resource allocation and optimization. / Aging process. / Computational savings. / Failure rate. / IEEE-reliability test system. / Maintenance outages. / Maintenance tasks. / Mixed integer. / Midterm preventive maintenance scheduling. / Parallel processing. / System operator. / Thermal generating units. / Thermal units. / Time interval. / Time-block. / Window-based. / Catalyst regeneration. / Decision trees. / Optimization. / Preventive maintenance.

Free vibration analysis of Mindlin plates partially resting on Pasternak foundation

Author: Jahromi, H. N.

Pub. Year: 2013

Subjects: Free vibration analysis. / Generalized differential quadrature method. / Moderately thick plates. / Partially elastic foundation. / Pasternak foundation. / Free-vibration analysis. / Generalized differential quadrature methods. / Moderately thick plate. / Partially elastic foundations. / Boundary conditions. / Differentiation (calculus) / Eigenvalues and eigenfunctions. / Geometry. / Mindlin plates. / Natural frequencies. / Partial differential equations. / Vibration analysis. / Algebra.

Optimized midterm preventive maintenance outage scheduling of thermal generating units

Author: Abiri Jahromi, A.

Pub. Year: 2012

Subjects: Midterm preventive maintenance scheduling. / Resource allocation and optimization. / Aging process. / Computational savings. / Failure rate. / IEEE-reliability test system. / Maintenance outages. / Maintenance tasks. / Mixed integer. / Mixed integer linear programming. / Parallel processing. / System operator. / Thermal generating units. / Thermal units. / Time interval. / Time-block. / Window-based. / Catalyst regeneration. / Decision trees. / Optimization. / Preventive maintenance.

Cause-and-effect relationships affecting distribution loss management

Author: Ghofrani Jahromi, Z.

Pub. Year: 2010

Subjects: Causal loop diagrams. / Distribution network. / Loss allocation. / Reconfiguration. / Smart grid. / Distributed parameter networks. / Innovation. / Mesh generation.

Optimizing the operation of current differential protection by power differential relay for three phase transformer

Author: Bahmani, B.

Pub. Year: 2006

Subjects: Active power relays. / EMTP. / Magnetizing Inrush. / Protection. / TACS. / Transformer. / Electric relays. / Harmonic analysis. / Power transformers. / Transformer protection.

Residual stress analysis of autofrettaged thick-walled spherical pressure vessel

Author: Maleki, M.

Pub. Year: 2010

Subjects: Extended variable material properties method. / Autofrettage. / Bauschinger effects. / Inner surfaces. / Loading and unloading. / Material behavior. / Material models. / Optimum autofrettage pressure. / Parametric study. / Residual stress distributions. / Residual stress state. / Spherical pressure vessel. / Spherical vessels. / Thick-walled spherical pressure vessels. / Variable material property. / VMP method. / Boilers. / Caissons. / Materials properties. / Pressure vessels. / Residual stresses. / Spheres. / Stress analysis. / Stress concentration. / Unloading. / Finite element method.

Detection of dopamine receptors using nanoscale dendrimer for potential application in targeted delivery and whole-body imaging: synthesis and in vivo organ distribution

Author: Ramezani Farani, M.

Publisher: American Chemical Society,

Pub. Year: 2022

Subjects: Central nervous system. / Dendrimer. / Dopamine. / Polyethylene glycol. / SPECT imaging. / Technetium-99m. / Amines. / Cell culture. / Chelation. / Dendrimers. / Gene expression. / Mammals. / Neurophysiology. / Particle beams. / Polyethylene glycols. / Polyethylenes. / Thin layer chromatography. / Central nervous systems. / In-vivo. / Nano scale. / Organ distribution. / Single-photon emission computed tomography imaging. / Targeted delivery. / Tomography imaging. / Whole-body imaging. / Single photon emission computed tomography. / Dopamine receptor. / Animal. / Chemistry. / HEK293 cell line. / Human. / Mouse. / Animals. / Dopamine. / HEK293 Cells. / Humans. / Mice. / Receptors, Dopamine. / Technetium.

Optimized sectionalizing switch placement strategy in distribution systems

Author: Abiri-Jahromi, A.

Pub. Year: 2012

Subjects: Decision making. / sectionalizing switch placement. / Automated distribution. / Capital investment. / Commercial solvers. / Computationally efficient. / Customer outage cost. / Decision makers. / Decision making process. / Distribution automation. / Distribution systems. / Distribution utilities. / Financial effects. / Investment strategy. / Mixed integer linear programming. / Operation and maintenance. / Operation efficiencies. / Optimization approach. / Placement problems. / Placement strategy. / Reliability test system. / Sectionalizing switch. / Automation. / Investments. / Linear programming. / Maintenance. / Optimization. / Integer programming.

Optimized sectionalizing switch placement strategy in distribution systems

Author: Abiri Jahromi, A.

Pub. Year: 2012

Subjects: Sectionalizing switch placement. / Automated distribution. / Capital investment. / Commercial solvers. / Computationally efficient. / Customer outage cost. / Decision makers. / Decision making process. / Distribution automation. / Distribution systems. / Distribution utilities. / Financial effects. / Investment strategy. / Mixed integer linear programming. / Operation and maintenance. / Operation efficiencies. / Optimization approach. / Placement problems. / Placement strategy. / Reliability test system. / Sectionalizing switch. / Automation. / Decision making. / Investments. / Linear programming. / Maintenance. / Optimization. / Integer programming.

From loss allocation to loss cost allocation: a comparative study of different loss cost allocation methods

Author: Ghofrani Jahromi, Z.

Pub. Year: 2013

Subjects: Loss cost. / Loss cost allocation. / Transmission networks. / Associated costs. / Comparative studies. / Cost allocation. / Deregulated power systems. / Generating unit. / Loss allocation. / Loss costs. / Tracing. / Costs. / Electric power transmission networks. / Life cycle. / Cost accounting.

Distribution loss allocation for radial systems including dgs

Author: Ghofrani-Jahromi, Z.

Pub. Year: 2014

Subjects: Distributed generation. / Loss allocation. / Radial distribution systems. / Active and Reactive Power. / Distribution feeders. / Distribution loss. / Electricity market. / Radial systems. / Source nodes. / Electric power transmission. / Electrical engineering. / Distributed power generation.

Reflected shock tube experiments on aeroacoustic signature of hot jets

Author: Jahromi, I. B.

Pub. Year: 2017

Subjects: Acoustic event. / Hot jet aeroacoustics. / Shock tube. / Wavepacket. / Acoustic variables measurement. / Aeroacoustics. / Shock tubes. / Wave packets. / Wavelet transforms. / Acoustic events. / Acoustic signals. / Acoustic signature. / Continuous wavelet. / Continuous wjavascript:;avelet transform. / Higher frequencies. / Jet aeroacoustics. / Total temperatures. / Acoustic noise.

Total 22649 records