Now showing items 1-17 of 17

    • Advanced direct extrusion process with real-time controllable extrusion parameters for microstructure optimization of magnesium alloys 

      Elorza Azpiazu, Leire; Egea, Aritz (Springer, 2023)
      The extrusion speed and deformation temperature are important factors affecting the microstructure development during the deformation. Microstructure development plays a crucial role in the performance of the mechanical ...
    • Analysis of Multiphase Permanent Magnet Motors via Space-Harmonic Model 

      Arribas Imaz, Beñat; Almandoz, Gaizka; Egea, Aritz; Poza, Javier; Iturbe, Ion (IEEE, 2024)
      Multiphase permanent magnet motors are gaining popularity thanks to their advantages, which include reduced torque ripple, enhanced torque capability, and fault tolerance. However, their modelling and control is more ...
    • 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. ...
    • Comparison of impedance spectroscopy and partial discharge analysis as insulation health diagnosis techniques 

      Elorza Azpiazu, Leire; Moreno, Yerai; Egea, Aritz; Almandoz, Gaizka; Angulo, Ainara (IEEE, 2024)
      The ageing of insulation systems in electric machines can compromise partial discharge-free designs. Regularly monitoring insulation health is crucial to prevent unexpected failures. Several authors have proposed health ...
    • Design methodology for permanent magnet axial flux machines 

      Egea, Aritz (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2012)
      In recent years, improving energy efficiency has become a primary concern in not only providing ecological benefits but also lowering operational costs. These benefits would then enable the creation of more attractive ...
    • 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 ...
    • EMI simulation of permanent magnet motor drive systems 

      Moreno, Yerai; Almandoz, Gaizka; Egea, Aritz; Eguren-Alustiza, Imanol (IEEE, 2024)
      With an increasing emphasis on energy efficiency and the widespread adoption of Wide-Band-Gap (WBG) devices, understanding and mitigating EMI is crucial for the reliability and performance of electric drives. This research ...
    • Experimental-Based model for Turn-to-Turn PDIV Prediction Dependent on Temperature 

      Elorza Azpiazu, Leire; Egea, Aritz; Almandoz, Gaizka; Ugalde, Gaizka; Sarasola, Izaskun (IEEE, 2024)
      Turn-to-turn insulation partial discharge inception voltage (PDIV) plays a crucial role in the design of the insulation system of inverter-fed motors for the automotive sector. This paper presents a turn-to-turn PDIV ...
    • HEFT emotor design for A+B segment 

      Almandoz, Gaizka; Egea, Aritz; Arribas Imaz, Beñat; Garramiola, Fernando (2024)
    • 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 ...
    • High-Frequency Modelling of Windings 

      Moreno, Yerai; Egea, Aritz; Almandoz, Gaizka; Ugalde, Gaizka (IEEE, 2022)
      Electrical drives consume a great amount of the world’s energy, and this will keep increasing due to the electromobility trend. Hence, the efficiency of electrical drives must be improved to reach sustainability. Silicon ...
    • 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 ...
    • A methodology and experimental implementation for industrial robot health assessment via torque signature analysis 

      Izagirre, Unai; andonegui, imanol; Egea, Aritz; Zurutuza, Urko (MDPI AG, 2020)
      This manuscript focuses on methodological and technological advances in the field of health assessment and predictive maintenance for industrial robots. We propose a non-intrusive methodology for industrial robot joint ...
    • 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 ...