0000000000984416

AUTHOR

Saeed Hasan Ebrahimi

showing 5 related works from this author

Modeling Stator Winding Inter-Turn Short Circuit Faults in PMSMs including Cross Effects

2020

Author's accepted manuscript. © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. This paper presents a detailed analysis of stator winding inter-turn Short Circuit (ITSC) faults, taking the cross effects in the three phases of a permanent magnet synchronous motor (PMSM) into account by considering insulation degradation resistances. A PMSM with series coils in eac…

010302 applied physicsComputer sciencebusiness.industryStator020208 electrical & electronic engineering02 engineering and technologyStructural engineeringFault (power engineering)01 natural sciencesFinite element methodVDP::Teknologi: 500::Elektrotekniske fag: 540law.inventionInductancelawElectromagnetic coil0103 physical sciencesTurn (geometry)0202 electrical engineering electronic engineering information engineeringbusinessSynchronous motorShort circuit
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Diagnosis of Sensor Faults in PMSM and Drive System Based on Structural Analysis

2021

This paper presents a model-based fault diagnosis method to detect sensor faults in permanent magnet synchronous motor (PMSM) drives based on structural analysis technique. The structural model is built based on the dynamic model of the PMSM in matrix form, including unknown variables, known variables, and faults. The Dulmage-Mendelsohn (DM) decomposition is applied to evaluate the redundancy of the model and obtain redundant testable sub-models. These testable redundant sub-models are used to form residuals to observe the system state, and distinguish between healthy and faulty conditions. This work investigates faults in eleven sensors in a PMSM drive, thus nine structured residuals are d…

Computer science020208 electrical & electronic engineering020302 automobile design & engineering02 engineering and technologyMechatronicsFault (power engineering)Matrix decomposition0203 mechanical engineeringControl theory0202 electrical engineering electronic engineering information engineeringDecomposition (computer science)Redundancy (engineering)TorqueState (computer science)Synchronous motor2021 IEEE International Conference on Mechatronics (ICM)
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Detection and Discrimination of Inter-Turn Short Circuit and Demagnetization Faults in PMSMs Based on Structural Analysis

2021

This paper presents a fault diagnosis method based on structural analysis of permanent magnet synchronous motors (PMSMs), focusing on detecting and discriminating two of the most common faults in PMSMs, namely demagnetization and inter-turn short circuit faults. The structural analysis technique uses the dynamic mathematical model of the PMSM in matrix form to evaluate the system’s structural model. After obtaining the analytical redundancy using the over-determined part of the system, it is divided into redundant testable sub-models. Four structured residuals are designed to detect and isolate the investigated faults, which are applied to the system in different time intervals. Finally, th…

Permanent magnet synchronous motorComputer scienceDemagnetizing field020206 networking & telecommunications02 engineering and technologyFault (power engineering)symbols.namesakeAdditive white Gaussian noiseControl theoryTurn (geometry)0202 electrical engineering electronic engineering information engineeringRedundancy (engineering)symbols020201 artificial intelligence & image processingSynchronous motorShort circuit2021 22nd IEEE International Conference on Industrial Technology (ICIT)
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Real-Time Detection of Incipient Inter-Turn Short Circuit and Sensor Faults in Permanent Magnet Synchronous Motor Drives Based on Generalized Likelih…

2022

This paper presents a robust model-based technique to detect multiple faults in permanent magnet synchronous motors (PMSMs), namely inter-turn short circuit (ITSC) and encoder faults. The proposed model is based on a structural analysis, which uses the dynamic mathematical model of a PMSM in an abc frame to evaluate the system’s structural model in matrix form. The just-determined and over-determined parts of the system are separated by a Dulmage–Mendelsohn decomposition tool. Subsequently, the analytical redundant relations obtained using the over-determined part of the system are used to form smaller redundant testable sub-models based on the number of defined fault terms. Furthermore, fo…

VDP::Teknologi: 500VDP::Teknologi: 500::Maskinfag: 570fault diagnosis; inter-turn short circuit; sensor fault; structural analysis; generalized likelihood ratio test; PM synchronous motorElectrical and Electronic EngineeringBiochemistryInstrumentationAtomic and Molecular Physics and OpticsAnalytical ChemistrySensors (Basel, Switzerland)
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Real-Time Fault Diagnosis of Permanent Magnet Synchronous Motor and Drive System

2023

Permanent Magnet Synchronous Motors (PMSMs) have gained massive popularity in industrial applications such as electric vehicles, robotic systems, and offshore industries due to their merits of efficiency, power density, and controllability. PMSMs working in such applications are constantly exposed to electrical, thermal, and mechanical stresses, resulting in different faults such as electrical, mechanical, and magnetic faults. These faults may lead to efficiency reduction, excessive heat, and even catastrophic system breakdown if not diagnosed in time. Therefore, developing methods for real-time condition monitoring and detection of faults at early stages can substantially lower maintenance…

VDP::Teknologi: 500
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