title: Sensor fault detection and isolation system for a condensation process.
abstract: This article presents the design of a sensor Fault Detection and Isolation (FDI) system for a condensation process based on a nonlinear model. The condenser is modeled by dynamic and thermodynamic equations. For this work, the dynamic equations are described by three pairs of differential equations which represent the energy balance between the fluids. The thermodynamic equations consist in algebraic heat transfer equations and empirical equations, that allow for the estimation of heat transfer coefficients. The FDI system consists of a bank of two nonlinear high-gain observers, in order to detect, estimate and to isolate the fault in any of both outlet temperature sensors. The main contributions of this work were the experimental validation of the condenser nonlinear model and the FDI system.
authors.affiliation: Posgrado del Centro Nacional de Investigación y Desarrollo Tecnológico. Int. Internado Palmira S/N, Palmira C.P. 62490, Cuernavaca, Morelos, Mexico.
authors.forename: M A López
authors.initials: MAL
authors.lastname: Castro
authors.affiliation: Centro Nacional de Investigación y Desarrollo Tecnológico. Int. Internado Palmira S/N, Palmira C.P. 62490, Cuernavaca, Morelos, Mexico.
authors.forename: R F
authors.initials: RF
authors.lastname: Escobar
authors.affiliation: CONACYT-Instituto de Ingeniería-UNAM, Ciudad de México, Mexico.
authors.forename: L
authors.initials: L
authors.lastname: Torres
authors.affiliation: CONACYT-Centro Nacional de Investigación y Desarrollo Tecnológico. Int. Internado Palmira S/N, Palmira C.P. 62490, Cuernavaca, Morelos, Mexico. Electronic address: jgomez@cenidet.edu.mx.
authors.forename: J F Gómez
authors.initials: JFG
authors.lastname: Aguilar
authors.affiliation: Centro de Investigación en Ingeniería y Ciencias Aplicadas-Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, C.P. 62209, Cuernavaca, Morelos, Mexico.
authors.forename: J A
authors.initials: JA
authors.lastname: Hernández
authors.affiliation: Centro Nacional de Investigación y Desarrollo Tecnológico. Int. Internado Palmira S/N, Palmira C.P. 62490, Cuernavaca, Morelos, Mexico.
authors.forename: V H
authors.initials: VH
authors.lastname: Olivares-Peregrino
keywords: Condenser; Fault detection and isolation; Nonlinear high-gain observers