Industrial high-order dynamic process soft measurement method based on multi-hidden-layer weighted dynamic model
A dynamic model and dynamic process technology, applied in character and pattern recognition, instruments, computer parts, etc., can solve the problems that the model is difficult to describe well, the high-order dynamic characteristics of the data are not well described, and the dynamic characteristics are difficult to deal with.
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[0066] The present invention will be further described below in conjunction with drawings and embodiments.
[0067] Aiming at the problem of detecting the butane content in the debutanizer, the invention uses the easy-to-measure process variable and utilizes a multi-hidden-layer weighted dynamic model to perform on-line soft measurement of the butane content in the process.
[0068] Embodiments of the present invention and its implementation process are as follows:
[0069] The first step: collect the data of the process variables in the debutanizer tower through the distributed control system and the real-time database system to form the training sample set X, store these data in the historical database, and select part of the data as samples for modeling.
[0070] The second step: through on-site extraction and offline laboratory analysis, the butane content value corresponding to the sample used for modeling in the historical database is obtained as the output Y of the soft...
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