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An on-line statistic algorithm to fault detection in controlled systems: a study case

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10.1109/IS.2018.8710481
 
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Ponce de León Puig, Nubia IliaMés informacióMés informació
Acho Zuppa, LeonardoMés informacióMés informacióMés informació
Rodellar Benedé, JoséMés informacióMés informacióMés informació
Document typeConference report
Defense date2019
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectDISEÑO DE ESTRATEGIAS AVANZADAS DE CONTROL Y DETECCION DE FALLOS PARA SISTEMAS MECATRONICOS COMPLEJOS (MINECO-DPI2015-64170-R)
Abstract
The main objective of this paper is to propose an on-line statistic algorithm for fault detection in non-linear dynamic systems based on data analysis. This discipline is a branch of the statistical science and it allows to organize information contained in a data set to make an inference about the origin of this information. Our strategy is founded in the common fault detection techniques based on system modeling. Basically, these techniques produce a residual signal, which is studied to identify when a fault occurs in a given system. In this paper, this residual signal is analyzed through a basic on-line statistic parameter: the variance. To fulfill our main objective, a healthy threshold is obtained such that if it is overcome, it can be assumed that a fault is detected. The fault may be, for instance, a change in a system's parameter. Our strategy is specifically applied to an adaptive predictive controlled base-isolated system. This controlled system is employed to mitigate vibration in buildings when an external seismic perturbation exists. Additionally, numerical experiments validate that the proposed fault detection strategy is functional when a modeled fault is inserted to the system. These numerical experiments are realized by employing four different real earthquake data and by using an artificial earthquake here developed.
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© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
CitationPonce de León, N. I.; Acho, L.; Rodellar, J. An on-line statistic algorithm to fault detection in controlled systems: a study case. A: International Conference on Intelligent Systems. "9th International Conference on Intelligent Systems 2018 (IS'18): proceedings". 2019, p. 253-259. 
URIhttp://hdl.handle.net/2117/174100
DOI10.1109/IS.2018.8710481
ISBN978-1-5386-7097-2
Publisher versionhttps://ieeexplore.ieee.org/abstract/document/8710481
Other identifiershttps://www.researchgate.net/publication/332992624_An_On-Line_Statistic_Algorithm_to_Fault_Detection_in_Controlled_Systems_A_Study_Case
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  • CoDAlab - Control, Modelització, Identificació i Aplicacions - Ponències/Comunicacions de congressos [183]
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  • Doctorat en Automàtica, Robòtica i Visió - Ponències/Comunicacions de congressos [135]
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