2023
DOI: 10.3934/mbe.2023883
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Soft-sensing modeling of mother liquor concentration in the evaporation process based on reduced robust least-squares support-vector machine

Xiaoshan Qian,
Lisha Xu,
Xinmei Yuan

Abstract: <abstract><p>The evaporation process is vital in alumina production, with mother liquor concentration serving as a critical control parameter. To address the challenge of online detection, we propose the introduction of a soft measurement strategy. First, due to the significant fluctuations in the production process variables and inter-variable coupling, comprehensive grey correlation analysis and kernel principal component analysis are employed to reduce the input dimension and computational compl… Show more

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