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Type: Artigo de periódico
Title: Determination of diesel quality parameters using support vector regression and near infrared spectroscopy for an in-line blending optimizer system
Author: Alves, JCL
Henriques, CB
Poppi, RJ
Abstract: This work demonstrates the application of support vector regression (SVR) applied to near infrared spectroscopy (NIR) data to solve regression problems associated to determination of quality parameters of diesel oil for an in-line blending optimizer system in a petroleum refinery. The determination of flash point and cetane number was performed using SVR and the results were compared with those obtained by using the PLS algorithm. A parametric optimization using a genetic algorithm was carried out for choice of the parameters in the SVR regression models. The best models using SVR presented a RBF kernel and spectra preprocessed with baseline correction and mean centered data. The obtained values of RMSEP with the SVR models are 1.98 degrees C and 0.453 for flash point and cetane number, respectively. The SVR provided significantly better results when compared with PLS and in agreement with the specification of the ASTM reference method for both quality parameter determinations. (C) 2012 Elsevier Ltd. All rights reserved.
Subject: Diesel
Near infrared spectroscopy
Support vector regression
In-line blending
Country: Inglaterra
Editor: Elsevier Sci Ltd
Citation: Fuel. Elsevier Sci Ltd, v. 97, n. 710, n. 717, 2012.
Rights: fechado
Identifier DOI: 10.1016/j.fuel.2012.03.016
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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