Entropy minimization-based sugarcane juice clarification process cooperative optimization method

A collaborative optimization and entropy minimum technology, applied in the direction of instruments, adaptive control, control/regulation systems, etc., can solve the problems affecting the extraction of sucrose and the quality of final products, and the purity of sucrose clarified juice is not enough, so as to improve the extraction and final products Quality, effect of improving clarification purity

Active Publication Date: 2018-06-01
GUANGXI UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the technical problem to be solved by the present invention is how to provide a collaborative optimization method based on the minimum entropy cane juice clarification process to solve the problem that the existing sucrose clarified juice is not pure enough, which seriously affects the extraction of sucrose and the final product. quality problem

Method used

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  • Entropy minimization-based sugarcane juice clarification process cooperative optimization method
  • Entropy minimization-based sugarcane juice clarification process cooperative optimization method
  • Entropy minimization-based sugarcane juice clarification process cooperative optimization method

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Embodiment 1

[0030] image 3 A flowchart showing the collaborative optimization method based on the entropy-minimum sugarcane juice clarification process provided by Embodiment 1 of the present invention, such as image 3 As shown, the method acts on the automatic control system of the sugarcane juice clarification process, and the collaborative optimization method includes the following steps.

[0031] Step S1, divide the clarification system according to the basic characteristics of the substances in the clarification system, the factors involved and the relationship between flow changes, and divide the clarification system into a substance subsystem, an energy subsystem and an information subsystem, wherein , the substance subsystem includes: the state data of the processed substance, the energy subsystem includes the state data of energy generated in the current process, and the information subsystem includes the set value of the target control quantity in the clarification process and...

Embodiment 2

[0036] Figure 4 A flowchart showing the collaborative optimization method based on the entropy-minimum sugarcane juice clarification process provided by Embodiment 2 of the present invention, such as Figure 4 shown in Figure 4 neutralize image 3 Steps with the same reference numbers are the same as image 3 The same text descriptions are applicable and will not be repeated here. The collaborative optimization method provided in this embodiment, for image 3 Step S3 in is further defined.

[0037] Step S3 in this embodiment may include the following steps.

[0038] Step S31, initialize parameter values ​​in the objective function.

[0039] Specifically, the parameter values ​​in the objective function may include: setting the evolution algebra of the population, constraining variable ranges, and crossover and mutation parameters.

[0040] Step S32, generating an initial population P(t).

[0041] Specifically, in order to make the initial population evenly distribute...

Embodiment 3

[0049] Figure 5 A flowchart showing the collaborative optimization method based on the entropy-minimum sugarcane juice clarification process provided by Embodiment 3 of the present invention, such as Figure 5 shown in Figure 5 neutralize Figure 4 Steps with the same reference numbers are the same as Figure 4 The same text descriptions are applicable and will not be repeated here. The collaborative optimization method provided in this embodiment, for Figure 4 Step S34 in is further defined.

[0050] Step S34 in this embodiment further includes the following steps.

[0051] In step S341, a selection operation is performed on the gray-coded individuals.

[0052] Specifically, the gamble selection operation is performed on the group, and the probability of each individual being selected is proportional to its fitness.

[0053] Step S342, performing crossover and mutation calculations on the selected individuals.

[0054] Step S343, counting the results of the above c...

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Abstract

The invention relates to an entropy minimization-based sugarcane juice clarification process cooperative optimization method. The entropy minimization-based sugarcane juice clarification process cooperative optimization method is applied to an automatic control system of a sugarcane juice clarification process. The cooperative optimization method includes the following steps that: a clarificationsystem is divided into a material subsystem, an energy subsystem, and the information subsystem according to relationships between the basic characteristics, involved factors and flow changes of substances in the clarification system; an objective function is constructed according to the minimization of relative entropies between the material subsystem, the energy subsystem, the information subsystem and the clarification system; and the objective function is solved, and an optimal result is outputted. With the entropy minimization-based sugarcane juice clarification process cooperative optimization method of the invention adopted, the global search capability of the algorithm is considered on the basis of guaranteeing the local search ability of the algorithm, and therefore, the clarification system can be optimal, clarification purity and efficiency can be improved, a clarification effect can be also improved, and sucrose extraction and final product quality can be improved.

Description

technical field [0001] The invention relates to the field of automatic control of sugarcane clarification process and equipment design optimization, in particular to a collaborative optimization method for the clarification process of sugarcane juice based on minimum entropy. Background technique [0002] Guangxi is the main producing area of ​​sucrose, and its sucrose production accounts for more than half of the national sugar production. The sugar industry is the pillar industry of Guangxi. After joining the WTO, the domestic sugar market was gradually liberalized. Affected by factors such as the low level of mechanized and automated production and the impact of imported sugar from abroad, the market competitiveness of my country's sugarcane sugar industry has declined, and it may repeat the mistakes of the soybean and corn industries and be overwhelmed by imported sugar. danger. Facing the pressure of foreign market competition and the high cost of importing foreign adva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 蒙艳玫蓝启亮张金来余双双叶春博谢延鹏李广全陆冠成
Owner GUANGXI UNIV
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