An integrated moisture and temperature sensor with model based temperature-dependent nonlinearity compensation

文献类型： 外文期刊

第一作者： Chen, Guohong

作者： Chen, Guohong;Zhou, Shengjun;Huang, Hao

作者机构：

关键词： moisture sensor; sensor calibration; nonlinearity compensation; temperature-dependent nonlinearity

期刊名称：IEICE ELECTRONICS EXPRESS （ 影响因子：0.578； 五年影响因子：0.508 ）

ISSN： 1349-2543

年卷期： 2018 年 15 卷 8 期

页码：

收录情况： SCI

摘要： Moisture sensors have been widely implemented in agricultural and forestry applications, but they can not obtain satisfied sensing performance without calibration. This letter presents an integrated moisture and temperature sensor with a model based linearization for eliminating the temperature-dependent nonlinearity. The temperature related nonlinear model is built by analyzing the relationship between the real moistures and the pairs of measured moistures and temperatures. The least squares algorithm is applied to estimate the coefficients of the obtained nonlinear model. The proposed linearization system has the advantage of wide suitability and applicability, and its performance is validated by experimental results.

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