Portable e-nose to classify different kinds of wine

被引:83
作者
Aleixandre, M. [1 ]
Lozano, J. [1 ]
Gutierrez, J. [1 ]
Sayago, I. [1 ]
Fernandez, M. J. [1 ]
Horrillo, M. C. [1 ]
机构
[1] CSIC, IFA, Lab Sensores, Madrid 28006, Spain
关键词
electronic nose; microsensors; wine discrimination; multivariate analysis;
D O I
10.1016/j.snb.2007.12.027
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
To address the problem of the wine quality measurement a portable electronic nose (e-nose) has been developed. Two different micromachined resistive sensor arrays are developed for this portable e-nose, one with a polysilicon integrated heater and the other with a platinum one. The nose is tested with four different wines coming of Madrid region (Malvar, Airen, Garnacha, and Tempranillo). The principal component analysis (PCA) plots show a slight overlapping of the responses for the sensor array with Platinum heater and an 88% of classification result is obtained with a probabilistic neural network (PNN). With the sensor array with polysilicon heater a good separation is achieved by the PCA and the PNN classification success is 100%. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:71 / 76
页数:6
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