Pattern recognition for sensor array signals using Fuzzy ARTMAP |
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Authors: | Zhe Xiajing Lingyan Jin Chuan-Jian Susan |
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Affiliation: | aSystems Science and Industrial Engineering, State University of New York at Binghamton, Binghamton, NY 13902, United States;bDepartment of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902, United States |
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Abstract: | A Fuzzy ARTMAP classifier for pattern recognition in chemical sensor array was developed based on Fuzzy Set Theory and Adaptive Resonance Theory. In contrast to most current classifiers with difficulty in detecting new analytes, the Fuzzy ARTMAP system can identify untrained analytes with comparatively high probability. And to detect presence of new analyte, the Fuzzy ARTMAP classifier does not need retraining process that is necessary for most traditional neural network classifiers. In this study, principal component analysis (PCA) was first implemented for feature extraction purpose, followed by pattern recognition using Fuzzy ARTMAP classifiers. To construct the classifier with high recognition rate, parameter sensitive analysis was applied to find critical factors and Pareto optimization was used to locate the optimum parameter setting for the classifier. The test result shows that the proposed method can not only maintain satisfactory correct classification rate for trained analytes, but also be able to detect untrained analytes at a high recognition rate. Also the Pareto optimal values of the most important parameter have been identified, which could help constructing Fuzzy ARTMAP classifiers with good classification performance in future application. |
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Keywords: | VOCs Classification Fuzzy ARTMAP PCA Sensor array Pareto optimization |
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