A probabilistic self-validating soft-sensor with application to wastewater treatment
Computers & Chemical Engineering(2014)
摘要
•A VBPCA-based pretreatment is performed to deal with missing and faulty values before soft-sensor modeling.•The resulting clean data are used for RVM soft-sensor modeling.•The propagation of uncertainty from fault diagnosis model to soft-sensor model is considered.•Dissimilar to traditional soft sensors, the output of the soft-sensor is an interval format.•The results show that the proposed soft-sensor performed well in the highly and lowly equimented wastewater plants.
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关键词
Soft sensor,Wastewater,Self-validation,Variational Bayesian Principal Component Analysis,Relevant Vector Machine
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