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Gas identification with tin oxide sensor array and self-organizing maps: adaptive correction of sensor drifts
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Low-cost tin oxide gas sensors are inherently nonspecific. In addition, they have several undesirable characteristics such as slow response, nonlinearities, and long-term drifts. This paper shows that the combination of a gas-sensor array together with self-organizing maps (SOM's) permit success in gas classification problems. The system is able to determine the gas present in an atmosphere with error rates lower than 3%. Correction of the sensor's drift with an adaptive SOM has also been investigated
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MARCO COLÁS, Santiago, et al. Gas identification with tin oxide sensor array and self-organizing maps: adaptive correction of sensor drifts. IEEE Transactions on Instrumentation and Measurement. 1998. Vol. 47, num. 1, pags. 316-321. ISSN 0018-9456. [consulted: 8 of September of 2026]. Available at: https://hdl.handle.net/2445/8684