Semi-supervised learning industrial process soft measurement modeling method based on evolutionary optimization
A semi-supervised learning and industrial process technology, which is applied in the field of semi-supervised learning based on evolutionary optimization and soft-sensor modeling of industrial processes, which can solve the problems of scarce labeled data and limited model performance.
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[0053] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided. However, the technical solution of the present invention The scope of protection is not limited to the examples described below.
[0054] The first step: use the distributed control system or offline detection method to collect industrial process data to build the database used for the soft sensor model. For the collected data, which includes both auxiliary variables and predictor variables, labeled data L∈R N×Q , also includes an unlabeled dataset U∈R containing only auxiliary variables K×J , where N and Q represent the number of samples of labeled data and the number of process variables, respectively, and K and J represent the n...
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