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Nonlinear inverse dynamic models of gas sensing systems based on chemical sensor arrays for quantitative measurements

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Gas sensing systems based on low-cost chemical sensor arrays are gaining interest for the analysis of multicomponent gas mixtures. These sensors show different problems, e.g., nonlinearities and slow time-response, which can be partially solved by digital signal processing. Our approach is based on building a nonlinear inverse dynamic system. Results for different identification techniques, including artificial neural networks and Wiener series, are compared in terms of measurement accuracy.

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PARDO MARTÍNEZ, Antonio, MARCO COLÁS, Santiago, SAMITIER I MARTÍ, Josep. Nonlinear inverse dynamic models of gas sensing systems based on chemical sensor arrays for quantitative measurements. _IEEE Transactions on Instrumentation and Measurement_. 1998. Vol. 47, núm. 3, pàgs. 644-651. [consulta: 21 de gener de 2026]. ISSN: 0018-9456. [Disponible a: https://hdl.handle.net/2445/8689]

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