Sharif Digital Repository

Simultaneous Due date assignment and lot sizing with uncertain flow times

Author

Mokhtari, G.

Publisher

Materials and Energy Research Center,

Pub. Year

2007

Subjects

Competition. / Customer satisfaction. / Economics. / Genetic algorithms. / Probabilistic logics. / Probability distributions. / Production engineering. / Sales. / Batch sizes. / Customer orders. / Due date assignment. / Due dates. / Economy of scale. / Flow time. / Heavy equipment. / High price. / Lead time quotation. / Leadtime. / Lot-sizing. / Low demand rate. / Modeling approach. / Numerical results. / Objective functions. / Production environments. / Production flows. / Production system. / Real-coded genetic algorithm. / Real-coded genetic algorithms. / Shortage cost. / Supply process. / Tardiness cost. / Total costs. / Costs.

A new scheme for a mechanical load position control driven by a permanent magnet DC motor and a nonzero backlash gearbox

Author

Mokhtari, H.

Pub. Year

2006

Subjects

Backlash effects. / Control structures. / Feed forward. / Feedback-control systems. / International symposium. / Mechanical loads. / Non-linear behaviors. / Adaptive control systems. / DC generator motors. / DC motors. / Feedback. / Feedback control. / Gear manufacture. / Industrial electronics. / Magnetic devices. / Magnets. / Motors. / Permanent magnets. / Position control. / Control systems.

Active damping of torsional vibrations due to the sub-harmonic instability on a synchronous generator

Author

Peyghami, S.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2018

Subjects

Active damping. / Active filter. / Interharmonics. / Microgrid. / Synchronous machine. / Active filters. / Damping. / Electric drives. / Electric motors. / Harmonic analysis. / Liquefied natural gas. / Mechanical drives. / Power electronics. / Synchronous generators. / Turbogenerators. / Active damping. / Electromechanical systems. / Instability problems. / Inter-harmonics. / Liquefied Natural Gas (LNG) / Micro grid. / Torsional vibration. / Vibrations (mechanical)

Decentralized droop control in DC microgrids based on a frequency injection approach

Author

Peyghami, S.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Grid forming. / Electric power transmission networks. / HVDC power transmission. / Voltage regulators. / Control methods. / DC grid. / Droop control. / Frequency droop. / High voltage applications. / Power sharing. / Supervisory controllers. / Voltage droop. / Electric power system control.

Enhanced frequency droop method for decentralized power sharing control in DC microgrids

Author

Jafari, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2021

Subjects

Voltage regulators. / Control strategies. / Dominant poles. / Droop characteristics. / Line resistance. / Load variations. / Loading condition. / System voltage. / Voltage quality. / Microgrids.

Power quality standards and their application to a granite factory

Author

Hasani, S.

Pub. Year

2006

Subjects

Granite load. / IEEE519. / Power quality indices. / Electric power systems. / Granite. / Standards. / Statistical methods. / Power quality.

Health monitoring of output capacitor in boost converters based on dissipation factor

Author

Ghadrdan, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2023

Subjects

Boost converter. / Dissipation factor (DF) / Electrolytic capacitor. / End-of-life criteria. / Loss angle. / Predictive maintenance.

Floating-Reference on-state voltage measurement strategy for condition monitoring application

Author

Ghadrdan, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2023

Subjects

Condition monitoring. / Converter-level. / Degra-dation indicator. / Insulated gate bipolar transistor (IGBT) / ON-state voltage. / Power semiconductor.

Performance tradeoff of MVNOs in OFDMA-Based virtualized wireless networks

Author

Mili, M.R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2022

Subjects

Geometric programming (GP) / Mobile virtual network operator (MVNO) / Monotonic optimization. / Multi-objective optimization problem (MOOP) / Orthogonal frequency devision multiple access (OFDMA) / Virtualized wireless network (VWN) / Approximation algorithms. / Bandwidth. / Base stations. / Costs. / Frequency division multiple access. / III-V semiconductors. / Indium phosphide. / Mathematical programming. / Multiobjective optimization. / Orthogonal frequency division multiplexing. / Pareto principle. / Semiconducting indium phosphide. / Wireless networks. / III-V semiconductor material. / III/V semiconductors. / Mobile virtual network operator. / Multi-objective optimization problem. / Network resource. / Nonconvex problem. / Optimisations. / Performance tradeoff. / Resource management. / Resources based. / Numerical methods.

Resource allocation in cognitive radio inspired non-orthogonal multiple access

Author

Mokhtari, F.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Combinatorial optimization. / Energy efficiency. / Information theory. / Integer programming. / Iterative methods. / Linear programming. / Nonlinear programming. / Resource allocation. / Wireless networks. / Hungarian method. / Iterative algorithm. / Optimal solutions. / Optimization problems. / Power allocations. / Secondary users. / Subchannel assignment. / Underlay cognitive radios. / Cognitive radio.

Performance tradeoff of MVNOs in OFDMA-based virtualized wireless networks

Author

Robat Mili, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2021

Subjects

Geometric programming (GP) / Virtualized wireless network (VWN) / Orthogonal frequency devision multiple access (OFDMA. / Multi-objective optimization problem (MOOP) / Monotonic optimization. / Mobile virtual network operator (MVNO)

Distributed secondary control in DC microgrids with low-bandwidth communication link

Author

Loh, P. C.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2016

Subjects

Distributed power sharing control. / Bandwidth. / Digital storage. / Power converters. / Power electronics. / Voltage regulators. / Current controller. / Current-sharing. / Dc micro-grid. / Distributed power. / Droop control. / Line resistance. / Low-bandwidth communications. / Secondary control. / Controllers.

Dissipation factor as a degradation indicator for electrolytic capacitors

Author

Ghadrdan, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2022

Subjects

Capacitance. / Capacitors. / Condition monitoring. / Dissipation factor. / Electrolytic capacitor. / Frequency measurement. / Loss angle. / Monitoring. / Temperature sensors. / Availability. / Electrolytic capacitors. / Outages. / Power converters. / Temperature measurement. / Accurate measurement. / Critical component. / Degradation indicators. / Dissipation factors. / End-of-life criteria. / Frequency measurements. / Health condition. / Impedance. / Loss angle. / Predictive maintenance.

On-line condition monitoring system for dc-link capacitor of back-to-back converters using large-signal transients

Author

Ghadrdan, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2022

Subjects

Back-to-back converter. / Capacitance measurement. / Capacitors. / Current measurement. / Dc-link capacitor. / Monitoring. / Reliability. / Transient analysis. / Voltage measurement. / Condition based maintenance. / Condition monitoring. / Electric current measurement. / Power converters. / Power electronics. / Power quality. / Preventive maintenance. / Reliability analysis. / Condition. / Dc link capacitor. / Dc-link. / Large-signal transient. / Large-signals. / On-line condition monitoring system. / Power electronic equipment. / Power electronics converters. / Signal transient. / Capacitance.

On-Line condition monitoring system for dc-link capacitor of back-to-back converters using large-signal transients

Author

Ghadrdan, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2023

Subjects

Back-to-back converter. / Capacitance measurement. / Condition monitoring. / Dc-link capacitor. / Large-signal transient. / Preventive maintenance. / Reliability.

Dissipation factor as a degradation indicator for electrolytic capacitors

Author

Ghadrdan, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2023

Subjects

Condition monitoring. / Dissipation factor (DF) / Electrolytic capacitor. / End-of-life criteria. / Loss angle. / Predictive maintenance.

Enhancing sonocatalytic properties of TiO2 nanocatalysts by controlling the surface conditions: effect of particle size and PVA modification

Author

Soleimani, F.

Publisher

Taylor and Francis Inc,

Pub. Year

2016

Subjects

Aggregate size. / Colloidal stability. / Polyvinyl alcohol. / Sonocatalytic properties. / TiO2 nanoparticles. / Wastewater treatment.

Synchronverter-enabled DC power sharing approach for LVDC microgrids

Author

Peyghami, S.

Pub. Year

2017

Subjects

DC microgrid (MG) / Voltage regulators. / Active power sharing. / Conventional power. / Dc micro-grid. / Droop method. / Mathematical calculations. / Power sharing. / Small signal stability analysis. / synchronverter. / Power converters.

Performance evaluation of thyristor-based static transfer switch with respect to cross current

Author

Mokhtari, H.

Pub. Year

2002

Subjects

Cross current. / Power quality. / Sensitive loads. / Static transfer. / Switch.

Download elastic traffic rate optimization via NOMA protocols

Author

Mokhtari, F.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Non-orthogonal multiple access (NOMA) / Streaming and elastic traffic users. / Successive convex approximation. / 5G mobile communication systems. / Cells. / Channel state information. / Cytology. / Iterative methods. / Mobile telecommunication systems. / Radio broadcasting. / Elastic traffic. / Hungarian algorithm. / Imperfect CSI. / Non orthogonal multiple accesses (NOMA) / Successive convex approximations. / Approximation algorithms.