Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 131, Issue 1, Pages 71-76Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2007.12.027
Keywords
electronic nose; microsensors; wine discrimination; multivariate analysis
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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.
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