Zerrendatu Artikuluak-Ingeniaritza honen arabera: egilea "3a053fa1aead5f2852530a4073109686"
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A Requirement Engineering Framework for Electric Motors Development
Rivera, Christian A.; Poza, Javier; Ugalde, Gaizka; Almandoz, Gaizka (MDPI AG, 2018)The applications using electric motors have increased in the last decade. Some of these applications encounter the need for tailor-made motors that must meet demanding requirements. Therefore, the specification stage of ... -
A Review in Fault Diagnosis and Health Assessment for Railway Traction Drives
Garramiola, Fernando; Madina, Patxi; Andrade del Olmo, Jon; Almandoz, Gaizka (MDPI AG, 2018)During the last decade, due to the increasing importance of reliability and availability, railway industry is making greater use of fault diagnosis approaches for early fault detection, as well as Condition-based maintenance ... -
Analysis of Permanent Magnet Motors in High Frequency: A Review
Moreno, Yerai; Almandoz, Gaizka; Egea, Aritz; Arribas Imaz, Beñat (MDPI, 2021)Electric drives consume a great amount of the world’s energy, and it will keep increasing due to the electromobility trend. Thus, the efficiency of electric drives must be improved to reach the desired sustainability goal. ... -
Analytical Model to Calculate Radial Forces in Permanent-Magnet Synchronous Machines
McCloskey, Alex; Almandoz, Gaizka (MDPI, 2021)There are three principal sources of noise and vibration in electrical machines: electromagnetic sources, mechanical sources, and aerodynamic sources. Nowadays, one of the major advantages of permanent-magnet synchronous ... -
DC-Link Voltage and Catenary Current Sensors Fault Reconstruction for Railway Traction Drives
Garramiola, Fernando; del-Olmo, Jon; Poza, Javier; Madina, Patxi; Almandoz, Gaizka (MDPI AG, 2018)Due to the importance of sensors in control strategy and safety, early detection of faults in sensors has become a key point to improve the availability of railway traction drives. The presented sensor fault reconstruction ... -
Development of a Thermal Analysis Tool for Linear Machines
Eguren-Alustiza, Imanol; Almandoz, Gaizka; Egea, Aritz; Elorza Azpiazu, Leire (MDPI, 2021)The thermal design is one of the most important stages in the design process of electrical machines. Thanks to software packages, like Motor-CAD, rotating machine designers can predict the thermal operation of the machines ... -
Effects of manufacturing tolerances of permanent magnets in fractional slot permanent magnet synchronous machines
Zárate Barriga, Sergio; Almandoz, Gaizka; Ugalde, Gaizka; Poza, Javier (IET, 2019)The fractional slot permanent magnet synchronous machines are well-known for their low torque ripple. However, in mass-production machines, not all the permanent magnets are identical due to the manufacturing tolerances ... -
Field Weakening Characteristics Computed with FEM-Coupled Algorithms for Brushless AC Motors
Rivera, Christian A.; Almandoz, Gaizka; Ugalde, Gaizka; Poza, Javier (MDPI AG, 2018)Finite Element Method (FEM) analysis tools are the most adopted in the design of brushless alternating current motors due to the advantage of considering multi-physics effects with dependencies of variables such as ... -
High-Frequency Modelling of Electrical Machines for EMC Analysis
Moreno, Yerai; Egea, Aritz; Almandoz, Gaizka; Ugalde, Gaizka (MDPI, 2024)The trend towards electrification in mobility has led to the increased use of silicon carbide (SiC) semiconductors. These semiconductors are more efficient but also present challenges related to electromagnetic interference ... -
Industrial Design of Electric Machines Supported with Knowledge-Based Engineering Systems
Rivera, Christian A.; Poza, Javier; Ugalde, Gaizka; Almandoz, Gaizka (MDPI, 2021)The demand for electric machines has increased in the last decade, mainly due to applications that try to make a full transition from fuel to electricity. These applications encounter the need for tailor-made electric ... -
Influence of manufacturing tolerances and eccentricities on the unbalanced magnetic pull in permanent magnet synchronous motors
Galfarsoro, Unai; McCloskey, Alex; Zárate Barriga, Sergio; Almandoz, Gaizka (IEEE, 2022)Eccentricity is an inevitable fault in electric motors and hence its diagnosis is an important topic. Thus, the influence of static and dynamic eccentricities on the harmonics of the frequency spectra of the unbalanced ... -
Integral Sensor Fault Detection and Isolation for Railway Traction Drive
Garramiola, Fernando; del-Olmo, Jon; Madina, Patxi; Almandoz, Gaizka; Poza, Javier (MDPI AG, 2018)Due to the increasing importance of reliability and availability of electric traction drives in Railway applications, early detection of faults has become an important key for Railway traction drive manufacturers. Sensor ... -
Linear Machines for Long Stroke Applications: a review
Eguren-Alustiza, Imanol; Almandoz, Gaizka; Egea, Aritz; Ugalde, Gaizka (IEEE, 2020)This document reviews the current state of the art in the linear machine technology. First,the recent advancements in linear induction, switched reluctance and permanent magnet machines arepresented. The ladder slit secondary ... -
Multi-Physics Tool for Electrical Machine Sizing
Moreno, Yerai; Almandoz, Gaizka; Egea, Aritz; Madina, Patxi (MDPI AG, 2020)Society is turning to electrification to reduce air pollution, increasing electric machine demand. For industrial mass production, a detailed design of one machine is usually done first, then a design of similar machines, ... -
Study of Partial Discharge Inception Voltage in Inverter Fed Electric Motor Insulation Systems
Elorza Azpiazu, Leire; Almandoz, Gaizka; Egea, Aritz; Ugalde, Gaizka; Badiola, Xabier (MDPI, 2023)This article performs a thorough evaluation of different environmental and electrical waveform characteristics affecting PDIV on electric motor winding insulation. Temperature received special attention, as it clearly ... -
Thrust Ripple Reduction in Linear Switched-Flux Machines via Additional Pole Optimisation
Eguren-Alustiza, Imanol; Almandoz, Gaizka; Egea, Aritz; Zárate Barriga, Sergio (IEEE, 2022)Linear switched-flux machines are a kind of permanent magnet machine with a passive ferromagnetic secondary. Therefore, they can achieve both a good performance and a low cost in long stroke applications. However, due to ... -
Understanding Switched-Flux Machines: A MMF-Permeance Model and Magnetic Equivalent Circuit Approach
Eguren-Alustiza, Imanol; Almandoz, Gaizka; Egea, Aritz; Badiola, Xabier (IEEE, 2022)Due to their particular structure, switched-flux permanent magnet machines have become a very interesting alternative for many applications. This is why some recent studies have been focused in the understanding of the ...