Sharif Digital Repository

Simple innovative method for online condition monitoring of IGBTs in back-to-back converters

Author

Ghadrdan, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2021

Subjects

Electronics industry. / Insulated gate bipolar transistors (IGBT) / Power converters. / Back-to-back converter. / Condition monitoring systems. / Converter topologies. / Innovative method. / On state. / Online condition monitoring. / Scheduled maintenance. / Wide spreads. / Condition monitoring.

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.

On the introduction of a qualitative variable to the neural network for reactor modeling: Feed type

Author

Ghadrdan, M.

Pub. Year

2009

Subjects

Black boxes. / Complex models. / Interval methods. / Mathematical approaches. / Mixture compositions. / Optimization algorithms. / Petrochemical industries. / Petroleum fractions. / Product qualities. / Reaction routes. / Reactor modeling. / Real components. / Substitute mixtures. / TBP curves. / Thermal crackings. / Boiling point. / Cracking (chemical) / Hydrocarbons. / Mixtures. / Neural networks.

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.

Probability of missed detection as a criterion for receiver placement in MIMO PCL

Author

Majd, M. N.

Publisher

IEEE,

Pub. Year

2012

Subjects

Missed detections. / Multiple antenna. / Multiple receivers. / Passive radars. / Radar performance. / Receive antenna. / Receiving antennas. / MIMO radar.

An efficient method for the ring opening of epoxides with aromatic amines by Sb(III) chloride under microwave irradiation

Author

Ghazanfari, D.

Pub. Year

2008

Subjects

Epoxides. / β-amino alcohols. / Aromatic amines. / SbCl3.

Resource allocation for uav-enabled integrated sensing and communication (isac) via multi-objective optimization

Author

Rezaei, O.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2023

Subjects

Integrated sensing and communication (ISAC) / Unmanned aerial vehicle (UAV) / Waveform design. / Wireless power transfer (WPT)

MIMO radar signal design to improve the MIMO ambiguity function via maximizing its peak

Author

Chitgarha, M. M.

Publisher

Elsevier,

Pub. Year

2016

Subjects

Ambiguity function. / Multiple-Input Multiple-Output radar. / Power allocation. / Waterfilling. / Waveform design. / Codes (symbols) / Design. / Feedback control. / MIMO systems. / Radar. / Radar signal processing. / Radar systems. / Telecommunication repeaters. / Multiple input multiple output (MIMO) radars. / Power allocations. / MIMO radar.

Detection-localization tradeoff in MIMO radars

Author

Nazari Majd, M.

Pub. Year

2017

Subjects

Detection. / Localization. / MIMO radar. / Tradeoff. / Widely separated antennas.

Antenna placement and power allocation optimization in MIMO detection

Author

Radmard, M.

Pub. Year

2014

Subjects

Antennas. / Transmitters. / Antenna placement. / Detection performance. / MIMO detection. / Multiple antenna. / Neyman Pearson detectors. / Power allocations. / Total power. / MIMO systems.

Ambiguity function of MIMO radar with widely separated antennas

Author

Radmard, M.

Pub. Year

2014

Subjects

Ambiguity function. / Widely separated antennas. / Antennas. / MIMO systems. / Radar antennas. / Separation. / Multiple antenna. / Multiple input multiple output techniques. / System's performance. / MIMO radar.

Choosing the position of the receiver in a MISO passive radar system

Author

Chitgarha, M. M.

Pub. Year

2012

Subjects

MIMO. / Passive Coherent Location. / Receiver positioning. / MIMO Multiple Input Multiple Output. / MISO. / Multiple antenna. / Multiple receive antennas. / Neyman Pearson detectors. / Passive coherent locations. / Passive radars. / Probability of missed detections. / Receive antenna. / Spatial diversity. / Local area networks. / MIMO systems. / Receiving antennas. / MIMO radar.

Adaptive filtering techniques in passive radar

Author

Chitgarha, M. M.

Pub. Year

2013

Subjects

Direct signal. / Filtering technique. / Limited dynamic ranges. / Passive radars. / Adaptive filters. / Radar.

Ambiguity function based receiver placement in multi-site radar

Author

Radmard, M.

Pub. Year

2017

Subjects

Genetic algorithm. / Multi-site radar. / Receiver placement. / Antennas. / Genetic algorithms. / Radar antennas. / Radar systems. / Receiving antennas. / Ambiguity function. / Aspect angles. / Multi-site. / Multiple antenna. / Multiple targets. / Multiple transmit antennas. / Receive antenna. / System's performance. / Radar.

Improving MIMO radar's performance through receivers' positioning

Author

Chitgarha, M. M.

Publisher

Institution of Engineering and Technology,

Pub. Year

2017

Subjects

Antennas. / MIMO systems. / Radar. / Radar antennas. / Radar signal processing. / Radar systems. / Receiving antennas. / Ambiguity function. / MIMO (multiple-input multiple output) / MIMO detectors. / Positioning procedures. / Probability of detection. / Receive antenna. / System's performance. / MIMO radar.