Sharif Digital Repository

Risk based maintenance optimization of overhead distribution networks utilizing priority based dynamic programming

Author

Abbasi, E.

Pub. Year

2009

Subjects

Overhead distribution networks. / Asset managers. / Computational savings. / Distribution feeders. / Distribution network. / Electrical equipment. / Failure rate. / Long term. / Maintenance scenario. / Maintenance scheduling. / Piece-wise. / Priority based dynamic programming. / Priority list. / Priority-based. / Risk factors. / Risk strategies. / Risk-based maintenances. / Search spaces. / Time-dependent deterioration. / Asset management. / Distributed parameter networks. / Dynamic programming. / Heuristic programming. / Maintainability. / Potential energy. / Potential energy surfaces. / Risk analysis. / Risk management. / Risk perception. / Systems engineering. / Network management.

Reliability-constrained unit commitment using stochastic mixed-integer programming

Author

Parvania, M.

Pub. Year

2010

Subjects

Reliability-constrained unit commitment (RCUC) / Spinning reserve. / Stochastic mixed-iteger programming (SMIP) / Uncertainty management. / Computation burden. / Expected load not served. / Generating unit. / IEEE-reliability test system. / Loss of load probability. / Monte Carlo simulation methods. / Multi-period. / Reduction method. / Reliability constraints. / Reliability Index. / Reliability level. / Reliability-constrained unit commitments. / Spinning reserves. / Stochastic mixed integer programming. / Stochastic nature. / Computer simulation. / Dynamic programming. / Integer programming. / Monte Carlo methods. / Probability. / Pumps. / Reliability. / Stochastic systems. / Stochastic models.

Reliability-constrained unit commitment using stochastic mixed-integer programming

Author

Parvania, M.

Pub. Year

2010

Subjects

Reliability-constrained unit commitment (RCUC) / Spinning reserve. / Stochastic mixed-iteger programming (SMIP) / Uncertainty management. / Computation burden. / Expected load not served. / Generating unit. / IEEE-reliability test system. / Loss of load probability. / Monte Carlo simulation methods. / Multi-period. / Reduction method. / Reliability constraints. / Reliability Index. / Reliability level. / Stochastic nature. / Computer simulation. / Dynamic programming. / Integer programming. / Monte Carlo methods. / Probability. / Pumps. / Reliability. / Stochastic systems. / Stochastic models.

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.

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.

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.

A two-stage framework for power transformer asset maintenance management - Part II: Validation results

Author

Abiri Jahromi, A.

Pub. Year

2013

Subjects

Computational burden. / Failure rate. / Midterm and short-term maintenance planning. / Transformers. / Transmission asset management. / Maintenance planning. / Mixed integer linear programming. / Transmission assets. / Asset management. / Economics. / Electric transformers. / Failure analysis. / Linear programming. / Power transformers. / Scheduling. / Maintenance.

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.

A Two-stage framework for power transformer asset maintenance management - Part I: Models and formulations

Author

Abiri Jahromi, A.

Pub. Year

2013

Subjects

Midterm and short-term maintenance planning. / Mixed integer linear programming. / Transmission asset management. / Asset maintenance management. / Communication infrastructure. / Maintenance planning. / Monitoring capabilities. / Smart grid technologies. / Transmission assets. / Asset management. / Linear programming. / Power transformers. / Scheduling. / Maintenance.

Availability optimization of a series system with multiple repairable load sharing subsystems considering redundancy and repair facility allocation

Author

Yahyatabar Arabi, A .A.

Pub. Year

2013

Subjects

Repair facility. / Availability optimization. / Computational results. / Load sharing. / Redundancy allocation. / Redundancy allocation problem. / Redundancy techniques. / Reliability and availability. / Repair facilities. / Algorithms. / Computational efficiency. / Decision making. / Particle swarm optimization (PSO) / Repair. / Redundancy.

A novel voltage-to-voltage logarithmic converter with high accuracy

Author

Ghanaattian Jahromi, A.

Pub. Year

2011

Subjects

Arithmetical circuits. / Logarithmic Amplifier. / Logarithmic converter.

Semi active vibration control of a passenger car using magnetorheological shock absorber

Author

Fellah Jahromi, A.

Pub. Year

2010

Subjects

Full-car. / Linear quadratic regulator. / Magnetorheological damper. / Suspension system. / Active dampers. / Control algorithms. / Control mechanism. / Damping coefficients. / Magneto-rheological. / Magneto-rheological dampers. / Mass-spring models. / Optimal control algorithm. / Passive dampers. / Road profile. / Semi-active control systems. / Semi-active vibration control. / Vibration response. / Algorithms. / Automobile manufacture. / Automobile shock absorbers. / Automobile suspensions. / Automobiles. / Design. / Magnetic fields. / Roads and streets. / Shock absorbers. / Systems analysis. / Vibration analysis. / Vibration control. / Suspensions (components)

Full characterization of a spin liquid phase: From topological entropy to robustness and braid statistics

Author

Jahromi, S. S.

Publisher

Institute of Physics Publishing,

Pub. Year

2017

Subjects

Braid statistics. / Minimum entropy states. / Modular matrices. / Topological color code. / Topological entanglement entropy. / Topological quantum codes.

A new model for reliability optimization of series-parallel systems with non-homogeneous components

Author

Feizabadi, M.

Publisher

Elsevier Ltd,

Pub. Year

2017

Subjects

Genetic algorithm. / Non-homogeneous components. / Redundancy allocation problem. / Reliability optimization. / Series-parallel systems. / Genetic algorithms. / Redundancy. / Reliability. / Computational results. / Non-homogeneous. / Redundancy allocation. / Redundancy allocation problem (RAP) / Series-parallel structure. / Series-parallel system. / Optimization.

An analog optimal waveform design for UWB communications

Author

Ghanaatian Jahromi, A.

Pub. Year

2010

Subjects

UWB pulse design optimization. / (PSD) Ultra-wide-band (UWB) communication. / Analog signals. / Analytical approach. / FCC mask. / Federal Communications Commission. / Inverse Fourier transforms. / Mathematical analysis. / Power spectral. / Signal power. / Spectral masks. / Spectral utilization. / Ultra-wideband radio. / UWB communication. / UWB pulse design. / Wave forms. / Waveform designs. / Communication. / Design. / Fourier transforms. / Power spectral density. / Wireless telecommunication systems. / Optimization.

Optimal topological design of power communication networks using genetic algorithm

Author

Jahromi, A. E.

Pub. Year

2013

Subjects

Communication infrastructures. / Genetic algorithms. / Optimal design. / Smart grids. / Communication infrastructure. / Cost-effective solutions. / Optimal communication networks. / Power communication networks. / Power system communication networks. / Public communication networks. / Smart grid. / Design. / Electric network topology. / Electric power systems. / Industry. / Mathematical models. / Quality of service. / Telecommunication networks. / Communication systems. / Communication network. / Cost-benefit analysis. / Development economics. / Electrical power. / Genetic algorithm. / Network design. / Optimization. / Qualitative analysis. / Topology. / Iran.

DFT study of the interaction of thymine with Cu+ and Zn 2+

Author

Shakorian Fard Jahromi, M.

Pub. Year

2009

Subjects

Charge transfer. / Divalent cations. / Metal complexation. / Metal ion affinity. / Thymine. / Basis sets. / Bonding strength. / Computational level. / Density-functional level. / DFT study. / Dications. / Divalent cation. / Exchange-correlation potential. / Gasphase. / Linear correlation. / Metal binding. / Metal cation. / Metal complexation. / Molecular complexes. / Monocations. / Nucleobases. / Stable structures. / Thymine base. / Binding energy. / Binding sites. / Biochemistry. / Calcium. / Ion exchange. / Mass transfer. / Metal ions. / Metals. / Nuclear energy. / Positive ions. / Potential energy. / Trace analysis. / Zinc. / Complexation. / Cation. / Correlation. / Electrical conductivity. / Gas phase reaction. / Heavy metal. / Nucleic acid. / Transition element.

A fuzzy logic based approach to determine system well-being indices

Author

Fotuhi Firuzabad, M.

Pub. Year

2008

Subjects

Electric load forecasting. / Electric power systems. / Electric power transmission networks. / Electroplating shops. / Fuzzy sets. / Fuzzy systems. / Health risks. / Power transmission. / Comfort zones. / Fuzzy criteria. / Fuzzy logic based approaches. / Healthy. / Lead times. / Load forecast uncertainties. / Marginal. / New approaches. / Power system. / Power systems. / System peaks. / System performances. / System risks. / Fuzzy logic.

Linear quadratic Gaussian application and clipped optimal algorithm using for semi active vibration of passenger car

Author

Zareh, S. H.

Pub. Year

2011

Subjects

MR Damper. / Clipped Optimal. / Full-Car Model. / Linear quadratic Gaussian. / MR dampers. / Suspension System. / Algorithms. / Automobile suspensions. / Automobiles. / Damping. / Gaussian distribution. / Magnetic fields. / Mechatronics. / Model automobiles. / Optimization. / Robustness (control systems) / Suspensions (components)