Browsing AURA by Author "Huynh, Khang"
Now showing items 1-20 of 24
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A Current Spectrum-Based Algorithm for Fault Detection of Electrical Machines Using Low-Power Data Acquisition Devices
Asad, Bilal; Raja, Hadi Ashraf; Vaimann, Toomas; Kallaste, Ants; Pomarnacki, Raimondas; Huynh, Khang (Peer reviewed; Journal article, 2023)An algorithm to improve the resolution of the frequency spectrum by detecting the number of complete cycles, removing any fractional components of the signal, signal discontinuities, and interpolating the signal for fault ... -
Detecting Eccentricity and Demagnetization Fault of Permanent Magnet Synchronous Generators in Transient State
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Journal article; Peer reviewed, 2019) -
Detection and Discrimination of Inter-Turn Short Circuit and Demagnetization Faults in PMSMs Based on Structural Analysis
Ebrahimi, Saeed Hasan; Choux, Martin Marie Hubert; Huynh, Khang (Chapter, 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 ... -
Diagnosis of Sensor Faults in PMSM and Drive System Based on Structural Analysis
Ebrahimi, Saeed Hasan; Choux, Martin Marie Hubert; Huynh, Khang (Chapter; Peer reviewed, 2021)Virtual reality promises to be a tool that can improve higher education. Immersive virtual environments offer the chance to enrich courses with experiential learning experiences. The technological possibilities evolve ... -
Digital Twin as a Virtual Sensor for Wind Turbine Applications
Ibrahim, Mahmoud; Rassõlkin, Anton; Vaimann, Toomas; Kallaste, Ants; Zakis, Janis; Huynh, Khang; Pomarnacki, Raimondas (Peer reviewed; Journal article, 2023)Digital twins (DTs) have been implemented in various applications, including wind turbine generators (WTGs). They are used to create virtual replicas of physical turbines, which can be used to monitor and optimize their ... -
Exploring the Limits of Early Predictive Maintenance in Wind Turbines Applying an Anomaly Detection Technique
Jankauskas, Mindaugas; Serackis, Artūras; Šapurov, Martynas; Pomarnacki, Raimondas; Baskys, Algirdas; Huynh, Khang; Vaimann, Toomas; Zakis, Janis (Peer reviewed; Journal article, 2023)The aim of the presented investigation is to explore the time gap between an anomaly appearance in continuously measured parameters of the device and a failure, related to the end of the remaining resource of the device-critical ... -
Field Reconstruction for Modeling Multiple Faults in Permanent Magnet Synchronous Motors in Transient States
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2021) -
Four-Level Three-Phase Inverter With Reduced Component Count for Low and Medium Voltage Applications
Salem, Ahmed; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2021) -
Health Indicator for Low-speed Axial Bearings using Variational Autoencoders
Hemmer, Martin; Klausen, Andreas; Huynh, Khang; Robbersmyr, Kjell Gunnar; Waag, Tor Inge (Journal article; Peer reviewed, 2020) -
Improved Fault Classification and Localization in Power Transmission Networks Using VAE-Generated Synthetic Data and Machine Learning Algorithms
Khan, Muhammad Amir; Asad, Bilal; Vaimann, Toomas; Kallaste, Ants; Pomarnacki, Raimondas; Huynh, Khang (Peer reviewed; Journal article, 2023)The reliable operation of power transmission networks depends on the timely detection and localization of faults. Fault classification and localization in electricity transmission networks can be challenging because of the ... -
Improved Quadratic Time-frequency Distributions for Detecting Inter-turn Short Circuits of PMSMs in Transient States
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Peer reviewed; Journal article, 2020) -
Integrated Multiport DC-DC and Multilevel Converters for Multiple Renewable Energy Source Integration
Jiya, Immanuel Ninma; Ali, Ahmed Mohamed Salem; Huynh, Khang; Pomarnacki, Raimondas (Peer reviewed; Journal article, 2023)This research introduces an innovative converter system which has been developed to seamlessly incorporate multiple sources of renewable energy into both DC and AC grids. The integration of multiple energy sources is made ... -
Methods of condition monitoring and fault detection for electrical machines
Kudelina, Karolina; Asad, Bilal; Vaimann, Toomas; Rassõlkin, Anton; Huynh, Khang (Peer reviewed; Journal article, 2021) -
Modeling Stator Winding Inter-Turn Short Circuit Faults in PMSMs including Cross Effects
Ebrahimi, Saeed Hasan; Choux, Martin Marie Hubert; Huynh, Khang (Chapter; Peer reviewed, 2020)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 ... -
Modelling Demagnetized Permanent Magnet Synchronous Generators using Permeance Network Model with Variable Flux Sources
Attestog, Sveinung; Huynh, Khang; Robbersmyr, Kjell Gunnar (Chapter; Peer reviewed, 2019) -
Multilevel Inverters with Reduced Component Count for Energy Systems
Ali, Ahmed Mohamed Salem (Doctoral Dissertations at the University of Agder; no. 339, Doctoral thesis, 2021)Multilevel inverters (MLIs) have gained increasing interest for advanced energy-conversion systems with a wide range of voltage levels, due to their attractive features of low harmonic contents, low dv/dt stress, low ... -
A Novel Fault Indicator for Local Demagnetization in Fractional-Slot Permanent Magnet Synchronous Motor using Winding Function Theory
Golzar, Milad; Kandukuri, Surya Teja; Huynh, Khang; Choux, Martin Marie Hubert; Versland, Alf Magne (Journal article; Peer reviewed, 2020)Local demagnetization is an irreparable failure mode in permanent magnet synchronous motors (PMSMs), resulting in reduced motor efficiency and high cogging torque. These effects are particularly disadvantageous to ... -
Novel Isolated Multiport DC Converter with Natural Bipolar Symmetry for Renewable Energy Source Integration to DC Grids
Jiya, Immanuel Ninma; Huynh, Khang; Gunawardena, Pasan; Kishor, Nand; Li, Yunwei Ryan (Peer reviewed; Journal article, 2023)Due to their greater reliability, efficiency, and resilience as compared to unipolar dc grid systems, bipolar dc grid systems are swiftly gaining popularity for the integration of renewable energy sources. However, development ... -
Rapid Diagnosis of Induction Motor Electrical Faults using Convolutional Autoencoder Feature Extraction
Husebø, Arild Bergesen; Kandukuri, Surya Teja; Klausen, Andreas; Huynh, Khang; Robbersmyr, Kjell Gunnar (Journal article; Peer reviewed, 2020) -
Real-Time Detection of Incipient Inter-Turn Short Circuit and Sensor Faults in Permanent Magnet Synchronous Motor Drives Based on Generalized Likelihood Ratio Test and Structural Analysis
Ebrahimi, Saeed Hasan; Choux, Martin Marie Hubert; Huynh, Khang (Peer reviewed; Journal article, 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 ...