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首页> 外文期刊>IEEE sensors journal >ARMAX Modeling and Impedance Analysis of Voltammetric E-Tongue for Evaluation of Infused Tea
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ARMAX Modeling and Impedance Analysis of Voltammetric E-Tongue for Evaluation of Infused Tea

机译：伏安电子舌的ARMAX建模和阻抗分析，用于评估泡茶

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摘要

This paper presents a modeling technique to analyze the performance of the electrodes of a custom made voltammetric e-tongue. In this methodology, autoregressive moving average models are estimated for five working electrodes of the e-tongue made of different noble metals in classifying three different classes of infused tea. The experimental input-output responses of the electrodes are used for modeling. The model transfer functions are fitted to an equivalent circuit from which the circuit impedances and electrical parameters are derived. We propose that there is a transition frequency at which values of the electrical parameters shift from positive to negative. The performance of the electrodes is analyzed in terms of data consistency, stability, and formation of negative parameters. Therefore, the proposed modeling technique can be used for selecting the electrodes and the operating frequency to improve the performance of the e-tongue.
机译：本文提出了一种建模技术，用于分析定制伏安电子舌的电极性能。在这种方法中，在对三种不同类别的注入茶进行分类时，估计了由不同贵金属制成的电子舌的五个工作电极的自回归移动平均模型。电极的实验输入输出响应用于建模。将模型传递函数拟合到等效电路，从中可以得出电路阻抗和电气参数。我们建议存在一个过渡频率，在该频率下电参数的值从正变为负。根据数据一致性，稳定性和负参数的形成来分析电极的性能。因此，所提出的建模技术可用于选择电极和工作频率以改善电子舌的性能。

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