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Application of Wavelets for Evaluation of Soft Sensors under Irregular Sampling of Output Measurements

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Abstract The problem of evaluating soft sensors for plants with irregular output measurement time is considered. In order to find the relationship between inputs and output, the wavelet-transformed inputs are… Click to show full abstract

Abstract The problem of evaluating soft sensors for plants with irregular output measurement time is considered. In order to find the relationship between inputs and output, the wavelet-transformed inputs are integrated into the regression model framework. A suitable procedure for wavelet type selection is discussed. An example is provided to illustrate successful application of the proposed approach and an industrial case study is given for soft sensor evaluation of a reactive distillation process.

Keywords: wavelets evaluation; evaluation soft; soft sensors; application wavelets; output

Journal Title: IFAC-PapersOnLine
Year Published: 2019

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