bp Global Optimal Propylene Polymerization Production Process Optimal Soft Sensing Instrument and Method

An optimal soft-sensing, propylene polymerization technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve the problems of low measurement accuracy and easy to be affected by human factors.
CN103838205BInactive Publication Date: 2016-08-17ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2016-08-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an optimum soft measurement instrument in the BP global optimum propylene polymerization production process. According to the optimum soft measurement instrument, the propylene polymerization production process, an intelligent field instrument, a control station, a DCS database storing data, a BP global optimum soft measurement instrument and a fusion index soft measurement value display instrument are included. The intelligent field instrument and the control station are connected with the propylene polymerization production process and the DCS database. The optimum soft measurement instrument is connected with the DCS database and the soft measurement value display instrument. The BP global optimum soft measurement instrument comprises a model updating module, a data preprocessing module, a PCA module and an intelligent multi-mode BP neural network optimization module. The invention further provides a soft measurement method implemented through the soft measurement instrument. By means of the optimum soft measurement instrument and the soft measurement method, online measurement and online parameter optimization are realized, the soft measurement speed is high, a model is updated automatically, the anti-jamming capability is high, and accuracy is high.
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Description

technical field

[0001] The invention relates to an optimal soft measuring instrument and method, in particular to an optimal soft measuring instrument and method for BP global optimal propylene polymerization production process. Background technique

[0002] Polypropylene is a thermoplastic resin produced by propylene polymerization. The most important downstream product of propylene, 50% of the world's propylene and 65% of my country's propylene are used to make polypropylene. It is one of the five general-purpose plastics. are closely related to daily life. Polypropylene is the fastest growing general-purpose thermoplastic resin in the world, second only to polyethylene and polyvinyl chloride in total. In order to make my country's polypropylene products have market competitiveness, develop impact copolymer products, random copolymer products, BOPP and CPP film materials, fibers, and non-woven fabrics with good balance of rigidity, toughness, and fluidity, and develop poly...

Claims

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