Zobrazeno 1 - 10 of 17 pro vyhledávání: '"Leonardo Acho Zuppa"'
1
Analytical Scheme of Stability Analysis for 4-DoF Mechanical System Subjected to Friction-Induced Vibrations
Autor: Volodymyr Puzyrov, Gisela Pujol Vazquez, Leonardo Acho Zuppa
Publikováno v: Journal of Vibration Engineering & Technologies.
Purpose: The stability problem for non-conservative multi-parameter dynamical system is usually associated with labor-intensive calculations, and numerical methods do not always allow one to obtain the desired information. The presence of circulatory
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61a24245528a630fa93aec8006bac442
https://doi.org/10.1007/s42417-022-00665-y
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2
A random signal generator by using analog electronics
Autor: Leonardo Acho Zuppa
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
The describing function theory is a powerful mathe matical tool to predict oscillations in non-linear dynam ical systems. This theory is here invoked to design a random signal generator and realized by using analog electronic elements. Then, and acco
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b56d0c5df640de4445dee26c58f424ea
https://doi.org/10.35470/2226-4116-2021-10-1-5-8
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3
Neutralization of the Destabilization Effect Caused by Small Damping Force in Non-conservative System
Autor: Nina Savchenko, Gisela Pujol Vázquez, Volodymyr Puzyrov, Nelya Kyrylenko, Leonardo Acho Zuppa
Publikováno v: Lecture Notes in Mechanical Engineering ISBN: 9783030913267
For the first time, the destabilizing effect of small dissipative forces was marked by Thomson and Tait in 1879. They showed that a statically unstable conservative system stabilized by gyroscopic forces could be destabilized again by introducing sma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a9dd921cf07b018a0aa3e4d9ab6945b
https://doi.org/10.1007/978-3-030-91327-4_53
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4
An experimental platform for statistical fault diagnosis in propelled mechanical systems: an academic exercise
Autor: Leonardo Acho Zuppa, Pablo Buenestado Caballero
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Statistical data analysis for fault diagnosis in mechanical systems is a fundamental tool, for instance, in applied mechanical engineering. In order to capture a feasible data set, a well designed electronic instrumentation and excitation system sign
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1356e3d037a14d1c4202386742ca99e1
https://doi.org/10.35470/2226-4116-2019-8-1-5-11
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5
A remote sensing scheme for fault diagnosis to wind turbines: an academic experimental set-up
Autor: Leonardo Acho Zuppa
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Nowadays, remote sensing for structural fault examination to wind turbines is an important technological challenger. On the other hand, laser diodes represent a low-cost option to implement a remote vibrometer sensor by just using cheap analog electr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::171a3263bff8f5f6d90675c660f0bf8d
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6
Energy harvesting for system of coupled oscillators under external excitation in the vicinity of resonance 1:1
Autor: Nataliya Losyeva, Nina Savchenko, Volodymyr Puzyrov, Leonardo Acho Zuppa, Jan Awrejcewicz
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Vibration energy is abundantly present in many natural and artificial systems and can be assembled by various devices, mainly employing the benefits of the piezo-electric and electromagnetic phenomena. In the present article, the electromechanical sy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7baae8b56b7be3f3968f9f9af102d7a
https://hdl.handle.net/2117/343481
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7
Variable structure strategy to avoid torque control saturation of a wind turbine in the presence of faults
Autor: José Rodellar Benedé, Yolanda Vidal Seguí, Leonardo Acho Zuppa, Christian Tutivén Gálvez
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Every physical actuator is subject to saturation. It has been well recognized that, when the actuator saturates, the performance of the closed-loop system (designed without considering actuator saturation) may seriously deteriorate. In extreme cases,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ee74eb933415a42f3f919fe6c1fd5c9
https://doi.org/10.24084/repqj14.274
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8
A continuous-time delay chaotic system obtained from a chaotic logistic map
Autor: Leonardo Acho Zuppa
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
This paper presents a procedure to transform a chaotic logistic map into a continuous-time delay chaotic system by using sampled-data representation of continuous-time models. Because of this, the chaotic behavior of the resultant scheme is easy to p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32325e3dabc8fedb86df5cdb6b25d5d0
http://hdl.handle.net/2117/101290
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9
Chaotic Logistic Map Implementation in the PIC12F629 Microcontroller Unit
Autor: Leonardo Acho Zuppa
Publikováno v: PDeS
This paper is about chaotic logistic system realization using the PIC12F629 microcontroller manufactured by Microchip Technology Inc.. Implemetation done by using just assembler language machine. An appropriate scale change transformation and a re-de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::845e4544b2f9ee946d9e9d1f3a440c52
https://doi.org/10.3182/20101006-2-pl-4019.00032
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10
A fault detection method for pitch actuators faults in wind turbines
Autor: Christian Tutivén Gálvez, Leonardo Acho Zuppa, Yolanda Vidal Seguí, José Rodellar Benedé
Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I
The paper presents a model-based fault detection method for pitch actuators faults using the normalized gradient method to estimate the parameters of the pitch actuator. One major difficulty is that the input signal to the parametric estimation metho
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52a22b2b12d52580f624d326d8f41a09
https://hdl.handle.net/2117/28434
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