High polymer slurry parameter recognition method based on swarm intelligence optimization algorithm

An intelligent optimization algorithm and optimization algorithm technology, applied in the field of chemical grouting, can solve the problems of inaccuracy and slow identification of chemical reaction kinetic parameters, etc., and achieve the effect of fast and accurate identification

Active Publication Date: 2020-12-01
ZHENGZHOU UNIV
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  • Application Information

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Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a method for identifying polymer slurry parameters based on a swarm intelligence optimization alg

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  • High polymer slurry parameter recognition method based on swarm intelligence optimization algorithm
  • High polymer slurry parameter recognition method based on swarm intelligence optimization algorithm
  • High polymer slurry parameter recognition method based on swarm intelligence optimization algorithm

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Embodiment 1

[0050] In this embodiment, the self-expanding polymer slurry chemical reaction kinetics parameter identification method based on the swarm intelligence optimization algorithm is adopted, combined with the temperature and density test data during the chemical reaction process of the self-expanding polymer slurry, the slurry chemical reaction kinetics parameter identification. First set the component parameters and related physical parameters of the self-expanding polymer slurry: the component concentration of the slurry c OH,0 4079.6mol / m 3 , c NCO,0 4557.7mol / m 3 , c W,0 294.7mol / m 3 , density ρ p 1100kg / m 3 , ρ W 1000kg / m 3 , heat of reaction (-△H) W 8.6×10 4 J·mol -1 , (-△H) OH is 7.075×10 4 J·mol -1 , r BL,0 1228kg / m 3 , 4.4×10 4 , C p is 1800J / (kg·K), is 836.6J / (kg·K), C BL is 1159J / (kg·K), C BG is 1000J / (kg·K), and λ is 206.8kJ / kg.

[0051] The swarm intelligence optimization algorithm in this embodiment specifically adopts the particle swarm opti...

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Abstract

The invention relates to the field of chemical grouting, and relates to a high polymer slurry parameter recognition method based on a swarm intelligence optimization algorithm, which comprises the following steps: assigning values to intelligent optimization algorithm parameters; generating a population according to an intelligent optimization algorithm rule, and assigning an initial value to eachindividual in the population, the optimization objective function value corresponding to the individual, the individual historical optimal value, the individual historical optimal objective functionvalue, the population historical optimal value, the population historical optimal objective function value and the current number of iterations; iterative solution is carried out; judging whether a predetermined number of operations are executed or whether the historical optimal objective function value of the group meets the precision requirement or not; recognizing chemical reaction kinetic parameters. According to the method, quick and accurate recognition of the chemical reaction kinetic parameters of the high polymer slurry under multiple synchronous chemical reaction conditions is realized by utilizing a swarm intelligence optimization algorithm.

Description

technical field [0001] The invention belongs to the field of chemical grouting, in particular to a method for identifying parameters of polymer grout based on a swarm intelligence optimization algorithm. Background technique [0002] As an important means of strengthening and repairing engineering infrastructure, grouting has been widely used in transportation, water conservancy, municipal and other fields. The development of fast and efficient new materials, new technologies and new theories for grouting reinforcement and repair has always been a focus of attention, especially in recent years, with the progress of the modern polymer industry, two-component polyurethane polymers with self-expanding properties Grouting materials and their high-pressure injection technology are developing very rapidly in the world, and their applications are becoming more and more extensive. They have become one of the more active development directions in the field of chemical grouting. They ...

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Application Information

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IPC IPC(8): G06N3/00G01N25/20
CPCG06N3/006G01N25/20
Inventor 李晓龙姚文艺贾赫扬钟燕辉张蓓申震洲李阳
Owner ZHENGZHOU UNIV
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