873 resultados para Aigua -- Anàlisi


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Not considered in the analytical model of the plant, uncertainties always dramatically decrease the performance of the fault detection task in the practice. To cope better with this prevalent problem, in this paper we develop a methodology using Modal Interval Analysis which takes into account those uncertainties in the plant model. A fault detection method is developed based on this model which is quite robust to uncertainty and results in no false alarm. As soon as a fault is detected, an ANFIS model is trained in online to capture the major behavior of the occurred fault which can be used for fault accommodation. The simulation results understandably demonstrate the capability of the proposed method for accomplishing both tasks appropriately

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This paper addresses the application of a PCA analysis on categorical data prior to diagnose a patients data set using a Case-Based Reasoning (CBR) system. The particularity is that the standard PCA techniques are designed to deal with numerical attributes, but our medical data set contains many categorical data and alternative methods as RS-PCA are required. Thus, we propose to hybridize RS-PCA (Regular Simplex PCA) and a simple CBR. Results show how the hybrid system produces similar results when diagnosing a medical data set, that the ones obtained when using the original attributes. These results are quite promising since they allow to diagnose with less computation effort and memory storage

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In this paper, robustness of parametric systems is analyzed using a new approach to interval mathematics called Modal Interval Analysis. Modal Intervals are an interval extension that, instead of classic intervals, recovers some of the properties required by a numerical system. Modal Interval Analysis not only simplifies the computation of interval functions but allows semantic interpretation of their results. Necessary, sufficient and, in some cases, necessary and sufficient conditions for robust performance are presented

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Notícies de la comunitat universitària

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Descripció i anàlisi del sistema de funcionament de justícia juvenil en medi obert, i concretament la metodologia de treball dels DAM, per tal d’evidenciar les competències requerides a l’hora de desenvolupar l’exercici professional d’educador social com a DAM, tot exposant una anàlisi de la formació acadèmica impartida al llarg de la diplomatura d’Educació Social en relació a aquests requeriments

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Resumen tomado del autor. Incluye tablas de datos sobre titulaciones y número de estudiantes matriculados

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Resumen tomado de la publicación. Incluye tablas de datos

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Resumen tomado de la publicación. El trabajo deriva de la tesis doctoral 'El analfabetismo funcional en las Islas Baleares' (UIB, febrero 2007), realizada por el mismo autor. Contiene gráficas y tablas de datos

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Resumen tomado del autor. Incluye tabla de datos sobre acciones formativas dirigidas a profesorado universitario

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Resumen tomado del autor. Incluye gráficas, tablas de datos y un ejemplar del cuestionario utilizado para su recogida

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Resumen tomado del autor. Incluye gráficas y tablas de datos sobre valores y costes del e-learning y modelos organizativos de las universidades virtuales

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Resumen tomado del autor. Incluye tablas de datos con los resultados obtenidos del cuestionario de valoración de la experiencia realizado por el alumnado de la asignatura

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Resumen tomado de la publicación

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Resumen tomado del autor

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