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Listar por palabra clave "Vibration"

Mostrando ítems 1-20 de 35

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Air-gap force distribution and vibration pattern of Induction motors under dynamic eccentricity

Jover Rodríguez, Pedro Vicente; Belahcen, Anouar; Arkkio, A.; Laiho, Antti; Antonino-Daviu, J. (Springer-Verlag, 2008)

[EN] A method for determining the signatures of dynamic eccentricity in the airgap force distribution and vibration pattern of induction machine is presented. The radial electromagnetic force distribution along the airgap, ...
Analysis of design methods of ultrasonic horns for high power applications

Martínez Izquierdo, Joan Jesús (Universitat Politècnica de València, 2013-10-14)

Sound waves are defined as a sequence of elastic compression and expansion of the molecules in a medium. The number of repeated sequences per unit time is called the frequency. These sound waves are detected by the human ...
Analysis of different vibration patterns to guide blind people

DURÁ-GIL, JUAN V.; Bazuelo-Ruiz, Bruno; Moro Pérez, David; Molla Domenech, Fenando (PeerJ, 2017-03-23)

[EN] The literature indicates the best vibration positions and frequencies on the human body where tactile information is transmitted. However, there is a lack of knowledge about how to combine tactile stimuli for navigation. ...
Análisis del aislamiento y acondicionamiento acústico del aula magna de la E.T.S.I.E.: cumplimiento según CTE-DB-HR

Klinkova, Ekaterina (Universitat Politècnica de València, 2014-11-12)

En este Trabajo de Fin de Grado se ha procedido a analizar el Aula Magna de la Escuela Técnica Superior de Ingeniería de Edificación (Universitat Politècnica de València) mediante aparatos propios del campo de la acústica, ...
Balanceo Automático de un Sistema Rotor-Cojinete: Identificador Algebraico en Línea del Desbalance Para un Sistema Rotodinámico

Mendoza Larios, J.G.; Colín Ocampo, J.; Blanco Ortega, A.; Abúndez Pliego, A.; Gutiérrez Wing, E.S. (Universitat Politècnica de València, 2016-07-10)

[ES] En este artículo, se presenta una metodología para balancear varios modos de vibración a la vez de un sistema rotor-cojinete mediante lo que se denomina discos de balanceo activo. Para determinar la magnitud del ...
Bridge deformations during train passage: monitoring multiple profiles using concurrently operating MIMO-SAR sensors

Baumann-Ouyang, Andreas; Butt, Jemil; Wieser, Andreas (Editorial Universitat Politècnica de València, 2023-01-27)

[EN] Sensors capable of measuring surface deformations with areal coverage and high spatial and temporal resolution are beneficial for many monitoring applications. However, such sensors are typically expensive, or their ...
Citrus Fruit Movement Assessment Related to Fruit Damage during Harvesting with an Experimental Low-Frequency-High-Amplitude Device

Ortiz Sánchez, María Coral; Torregrosa, A.; Castro-García, Sergio (MDPI, 2022-06)

[EN] The profitability of fresh citrus crops outlines the possibility of using mechanical systems to reduce the high cost of the manual harvesting operation. In this line, an experimental light shaker with low frequency ...
Comparative study of speed estimators with highly noisymeasurement signals for Wind Energy Generation Systems

Carranza Castillo, Oscar; Figueres Amorós, Emilio; Garcerá Sanfeliú, Gabriel; González Morales, Luis Gerardo (Elsevier, 2011-03)

This paper presents a comparative study of several speed estimators to implement a sensorless speed control loop in Wind Energy Generation Systems driven by power factor correction three-phase boost rectifiers. This rectifier ...
Comparison of a Lightweight Experimental Shaker and an Orchard Tractor Mounted Trunk Shaker for Fresh Market Citrus Harvesting

Ortiz Sánchez, María Coral; Torregrosa, A.; Castro-García, Sergio (MDPI AG, 2021-11-04)

[EN] A designed lightweight experimental shaker successfully used to collect ornamental oranges has been tested to harvest fresh market citrus. The aim of this study was to evaluate the removal efficiency and operational ...
Comprehensive Diagnosis of Localized Rolling Bearing Faults during Rotating Machine Start-Up via Vibration Envelope Analysis

Ruiz-Sarrió, José Enrique; Antonino-Daviu, Jose A.; Martis, Claudia (MDPI AG, 2024-01)

[EN] The analysis of electrical machine faults during start-up, and variable speed and load conditions offers numerous advantages for fault detection and diagnosis. In this context, diagnosing localized bearing faults ...
Confort vibracional en la conducció de vehicles

Crifaci Mollà, Claudio (Universitat Politècnica de València, 2014-02-20)

This paper focuses on the study and analysis of comfort in driving cars (known as Ride comfort). Often to have a study of vehicles with regard to issues of comfort, this makes it compare several vehicles between them. In ...
Control system design for a high performance in a horizontal two-axis robot arm

Burcio Crespo, Álvaro; Molina Montalván, Ulises Guillermo (Universitat Politècnica de València, 2020-04-08)

[ES] En este trabajo de investigación, se realizaron tareas de I+D+i para empresas del sector industrial del automóvil. El equipo de trabajo implementó una simplificación de un robot SCARA de 4GDL de la compañía Denso, en ...
Determinación de la presión sonora radiada por pistones circulares y anillos no planos usando un método numérico simplificado

Alba Fernández, Jesús; Arenas, J.P.; Rey Tormos, Romina María del (Elsevier, 2014-10)

[EN] Although the study of the sound pressure radiation from membranes and plates is not new, current and future applications have produced a large body of recent research in the field. Several works have been published ...
Diagnóstico de fallos en turbogrupos de sobrealimentación de motores, con un banco de turbos de flujo continuo, y mediante vibraciones en condiciones de servicio

Algarra Carrasco, Víctor (Universitat Politècnica de València, 2013-03-09)

[ES] El presente TFM trata sobre el diagnóstico de fallos en turbogrupos, midiendo las prestaciones y vibraciones del mismo en una sala de ensayos o analizando únicamente su espectro vibratorio si está en condiciones de ...
Diseño y estudio de un transductor de superficie externo en instrumentos musicales con caja de resonancia

Cutanda Pobo, Víctor (Universitat Politècnica de València, 2020-06-08)

[ES] En este proyecto se plantea el diseño, montaje y estudio de un dispositivo dotado de un transductor de vibraciones que pueda acoplarse a un instrumento de cuerda. Este transductor será capaz de transmitir vibraciones ...
Dynamics of damped rotating solids of revolution through an Eulerian modal approach

Martínez Casas, José; Fayos Sancho, Juan; Denia Guzmán, Francisco David; Baeza González, Luis Miguel (Elsevier, 2012-02-13)

This article presents a technique for modelling the dynamic response of rotating flexible solids with internal modal damping. The method is applicable to solids with geometry of revolution that rotate around their main ...
Eigensolutions of non-proportionally damped systems based on continuous damping sensitivity

Lázaro, Mario (Elsevier, 2016-02-17)

The viscous damping model has been widely used to represent dissipative forces in structures under mechanical vibrations. In multiple degree of freedom systems, such behavior is mathematically modeled by a damping matrix, ...
Estudio del aclareo mecánico de mandarinos mediante un dispositivo de vibrado en laboratorio

Soto Ruiz de la Torre, Elena (Universitat Politècnica de València, 2018-01-16)

[EN] Fruit thinning is defined as the selective removal of flowers and/or fruits from trees in order to improve the size of the remaining crop. This technique is usually performed manually rendering to a noteworthy increase ...
Evaluación del comportamiento de morteros de cemento Portland frente al ataque por sulfatos mediante técnicas de vibración

Genovés Gómez, Vicente (Universitat Politècnica de València, 2013-03-05)

[ES] El mecanismo de ataque por sulfatos al hormigón es una patología estudiada por muchos autores debido a las consecuencias negativas que puede tener dicho ataque en la vida útil de las estructuras de hormigón. En el ...
Evaluación mecánica y por espectroscopia de vibración de composites de GRC con diferentes tipos de matriz cementante

Castellese Monzó, Adriana (Universitat Politècnica de València, 2016-05-17)

[EN] Using non-destructive techniques based vibration spectroscopy, to assess the aging process of a fiber reinforced composite alkali-resistant glass (AR). For this purpose, we used two types of cementitious matrices: ...