Browsing by Research Group "Acústica y vibraciones"
Now showing items 1-20 of 21
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Analysis of the dynamic characterisation and behaviour of an elevator rope
(ISMA - International Conference on Noise and Vibration Engineering, 2020)The ropes of an elevator transmit the vibrations from the motor to the elevator car, and consequently have a great influence on comfort. Therefore, it is of major interest to analyse the dynamic behaviour of these elements, ... -
Analysis of the noise attenuation in ducts by means of rigid perforated panels
(ISMA - International Conference on Noise and Vibration Engineering, 2020)The noise of Heating, Ventilating and Air Conditioning (HVAC) systems is an important aspect to take into account when the comfort of the users is compromised. For instance, passengers in trains perceive this noise, which ... -
Analytical Model to Calculate Radial Forces in Permanent-Magnet Synchronous Machines
(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 ... -
Análisis dinámico de sistemas estructurales con amortiguamiento viscoelástico
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2006)En la presente memoria de tesis se resume la investigación sobre la reducción en la vibración estructural, concretamente en sistemas en los que se emplean técnicas de amortiguación pasiva mediante recubrimientos superficiales ... -
Comfort improvement of an elevator car by viscoelastic sandwich panels
(ISMA - International Conference on Noise and Vibration Engineering, 2020)Viscoelastic sandwich structures have become one of the most important techniques to reduce structural vibrations. These structures have a great damping capacity due to their viscoelastic core, and their metallic skins ... -
Damping characterisation of an elevator rope
(ISMA, 2022)The ropes of an elevator transmit the vibrations from the motor to the elevator car, and consequently have a great influence on comfort. Therefore, it is of major interest to analyse the dynamic behaviour of these elements. ... -
Development of Tools to Calculate the Vibroacoustic Performance of Electrical Machines in Lift Installations
(University of Northampton, 2017)Improper operation of the traction machine of a lift installation causes energy waste, vibrations and noise. The design of the machine must be optimum if energy efficiency and comfort specifications have to be satisfied. ... -
Dynamics of viscoelastic-magnetorheological sandwich structures: multiphysics analysis
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2017)A fundamental aim of many industrial sectors is the reduction of structural vibration in order to increase the service life of mechanical components and diminish noise radiation. Viscoelastic sandwiches have been widely ... -
Electromechanical Properties of PVDF-Based Polymers Reinforced with Nanocarbonaceous Fillers for Pressure Sensing Applications
(MDPI AG, 2019)Polymer-based composites reinforced with nanocarbonaceous materials can be tailored for functional applications. Poly(vinylidene fluoride) (PVDF) reinforced with carbon nanotubes (CNT) or graphene with different filler ... -
Estudio numérico-experimental del comportamiento dinámico de un FML de termoplástico auto-reforzado
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2015)FMLs are hybrid composite materials built up from interlacing layers of thin metals and composites that were created in the aeronautical sector in order to combine the advantages of composites and metals. The main disadvantage ... -
Fast and Accurate Vibration Response Calculation Procedure for Permanent Magnet Synchronous Machines
(IEEE, 2022)The vibration of the stator frame due to electromagnetic forces is one of the main noise and vibration sources of electric machines. In some applications, due to the wide variety of working conditions, design optimizations ... -
Fast finite element based vibration response calculation procedure for permanent magnet synchronous machines
(IEEE, 2024)The vibration of the stator frame due to electromagnetic forces is one of the main noise and vibration sources of electric machines. In some applications, due to the wide variety of working conditions, magnetic circuit ... -
Influence of Manufacturing Tolerances and Eccentricities on the Electromotive Force in Permanent Magnet Synchronous Motors
(IEEE, 2022)Eccentricity is a common error in electric motors, so its diagnosis is an important issue. Therefore, the effect of static and dynamic eccentricities on the harmonics of the frequency spectra of the voltage of a phase is ... -
Influence of manufacturing tolerances and eccentricities on the unbalanced magnetic pull in permanent magnet synchronous motors
(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 ... -
Influence of manufacturing tolerances and eccentricities on the unbalanced magnetic pull in permanent magnet synchronous motors
(IEEE, 2020)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 Design and Manufacturing Methodology of a Reduced-Scale Servo Press
(IEEE, 2021)In a context where industrial production boosts both the society and the economy of a country, improvements in industrial processes are key factors for efficient and reliable development of goods and products. New industrial ... -
Machine generated vertical vibration in elevators
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2013)Vertical vibration deteriorates passenger comfort during an elevator travel. The drive system is a source of vertical vibration as well as the source of energy of the system. This report presents the results of a study of ... -
Makina Elektrikoen Portaera Bibroakustikoaren Neurketa eta Simulazioa
(UEU, 2015)Noise and vibration of electrical machines is a major concern. Changes in the machine design to improve its ef f iciency can lead to unacceptable vibrations. Tools to predict its vibratory and acoustic performance at the ... -
Noise attenuation prediction and analysis in rectangular lined ducts
(ISMA, 2022)The noise of Heating, Ventilating and Air Conditioning (HVAC) systems is an important aspect when the comfort of the users is compromised. Thus, solutions to attenuate that noise need to be proposed. Linings in ducts are ... -
Optimum Slot and Pole Design for Vibration Reduction in Permanent Magnet Synchronous Motors
(MDPI, 2021)Permanent Magnet Synchronous Motors (PMSMs) are increasingly being used and are required to satisfy noise and vibration specifications. Thus, it is necessary to develop design guidelines for electric motors that consider ...
