CN-121997206-A - Method for judging threshing and redrying processing plasticity of tobacco raw materials and method for judging plasticity of leaf group formula module

Abstract

The invention provides a method for judging the threshing and redrying processing plasticity of tobacco raw materials and a method for judging the plasticity of a tobacco group formula module, which belong to the field of tobacco processing; the method comprises the steps of determining the weight of each tobacco leaf plasticity characterization index according to standardized data, calculating the comprehensive score of the tobacco leaf according to the weight, and judging the plasticity grade of the tobacco leaf according to the comprehensive score. The judging method provides a certain reference basis for the assembly of the threshing and redrying tobacco leaves, the regulation and control of technological parameters and the like, and is beneficial to improving the homogenization processing level of tobacco leaf raw materials. The invention also provides a judging method for the plasticity of the multi-type tobacco raw material leaf group formula module through the judging result of the threshing and redrying processing plasticity of the tobacco raw material, and the judging method guarantees the accuracy of the threshing and redrying processing parameter setting and provides technical support for improving the uniformity and the stability of the threshing and redrying processing quality of the formula module.

Inventors

• DONG JUNMIN
• SHAO CHANGYING
• YUE CHAO
• DU HANG
• WANG NIAN
• YANG FENYU
• HUA JIANXIANG
• ZHOU YUAN
• YANG LIXIAN
• HU ZONGYU
• XU QIANG
• WANG XIANYOU
• ZHANG YUHAI
• ZHAO YUNFANG
• WANG DUANFEI
• MIAO CHENLIN
• LI CHUNSHUN

Assignees

• 云南烟叶复烤有限责任公司

Dates

Publication Date

20260508

Application Date

20260319

Claims (10)

1. 1. The method for judging the threshing and redrying processing plasticity of the tobacco raw materials is characterized by comprising the following steps of: detecting the tobacco leaf plasticity characterization index, and preprocessing the detection result to obtain standardized data; determining the weight of each tobacco leaf plasticity characterization index according to the standardized data; And calculating the comprehensive score of the tobacco leaves according to the weight, and judging the plasticity grade of the tobacco leaves according to the comprehensive score.
2. 2. The method for determining the threshing and redrying processing plasticity of a tobacco raw material according to claim 1, wherein the preprocessing of the detection result includes unifying the index direction and reciprocal processing of the reverse index.
3. 3. The method for determining the threshing and redrying processing plasticity of a tobacco raw material according to claim 1, wherein the preprocessing of the detection result further comprises a normalization process, and the normalization process comprises an extremely poor normalization; the polar error normalization is to map the detection result to a specified interval [0,1] by linear transformation.
4. 4. The method for determining the threshing and redrying processing plasticity of a tobacco raw material according to claim 1, wherein the weight determining method includes a first weight determining method and a second weight determining method, and the comprehensive weight is calculated according to the results of the first weight determining method and the second weight determining method.
5. 5. The method for determining the threshing and redrying processing plasticity of a tobacco raw material as recited in claim 4, wherein said first weight determining method includes: Calculating standard deviation of the plasticity characterization indexes of the tobacco leaves; calculating a correlation coefficient between the plasticity characterization indexes of each tobacco leaf; calculating the conflict among the plasticity characterization indexes of the tobacco leaves; calculating the information quantity among the tobacco leaf plasticity characterization indexes; enhancing the weight, and highlighting the weight difference of the important indexes; And normalizing the information quantity among the tobacco leaf plasticity characterization indexes to obtain a first weight.
6. 6. The method for determining the threshing and redrying processing plasticity of a tobacco raw material as recited in claim 4, wherein said second weight determining method includes: calculating the proportion of each observed value under each tobacco leaf plasticity characterization index; calculating information entropy according to the specific gravity; Calculating an information utility value according to the information entropy; Enhancing the information utility value, and highlighting the weight difference of important indexes; and calculating a second weight according to the enhanced information utility value.
7. 7. The method for determining the threshing and redrying processing plasticity of a tobacco raw material as recited in claim 4, wherein the method for calculating the comprehensive weight includes: The combination weight is set as follows: According to the idea of game theory, the objective function is to minimize the dispersion of the combining weight W and the two basic weights ω 1 、ω 2 , and the objective function is: and solving the optimal combination coefficients a and b.
8. 8. The method for judging the threshing and redrying processing plasticity of tobacco raw materials according to claim 1, wherein the classification of the threshing and redrying processing plasticity level of the tobacco raw materials is carried out according to the comprehensive score range of all tobacco samples, and the number of the plasticity level is 3-10.
9. 9. The method for judging the plasticity of the leaf group formula module is characterized by comprising the following steps of: According to the method for judging the threshing and redrying processing plasticity of the tobacco raw materials provided by any one of claims 1-8, the plasticity of each type of tobacco in the leaf group formula is graded to obtain a plasticity grade combination mode of the leaf group formula; And determining the plasticity grade of the vane pack formula according to the plasticity grade combination mode.
10. 10. The method of claim 9, wherein determining the plasticity level of the leaf group recipe comprises: A. when the leaf group formula contains 2 kinds of tobacco leaf raw materials with plasticity grades and the grades are adjacent, selecting the plasticity grade of the tobacco leaf raw materials with the raw material ratio of more than 50% as the plasticity grade of the leaf group formula; B. When the leaf group formula contains 2 kinds of tobacco leaf raw materials with plasticity grades, and the grades are not adjacent, selecting the plasticity grade of the tobacco leaf raw materials with the raw material ratio of more than 60% as the plasticity grade of the leaf group formula; C. When the leaf group formula contains 3 kinds of tobacco leaf raw materials with the plasticity grades, and the grades are adjacent, if the ratio of the tobacco leaf raw material with one plasticity grade is not lower than 50%, and the ratio of the tobacco leaf raw material with the other plasticity grade is not lower than 20%, selecting the plasticity grade with the ratio not lower than 50% as the plasticity grade of the leaf group formula; other ways of determining the leaf group formulation besides the combination of the three plasticity grades ABC include: The method comprises the steps of judging the plasticity of a leaf group formula from the two aspects of guaranteeing the uniformity of processing quality and the integrity of the formula module, firstly determining the plasticity of the formula module according to the tobacco leaf raw materials with the lowest plasticity grade in the tobacco leaf raw materials with the proportion of not less than 5% in the leaf group formula from the aspect of guaranteeing the integrity of the leaf group formula, and secondly determining the plasticity of the leaf group formula according to the main tobacco leaf raw materials with the large proportion in the tobacco leaf raw materials with the single type of plasticity grade or the adjacent two types of tobacco leaf raw materials with the plasticity grade from the aspect of guaranteeing the uniformity of processing quality of the leaf group formula.

Description

Method for judging threshing and redrying processing plasticity of tobacco raw materials and method for judging plasticity of leaf group formula module Technical Field The invention belongs to the field of tobacco leaf processing, and relates to a method for judging the threshing and redrying processing plasticity of tobacco leaf raw materials and a method for judging the plasticity of a leaf group formula module. Background The threshing and redrying is an important front link of the cigarette production, and the problems existing in the tobacco raw material processing process in the cigarette production link are technically advanced, so that the problems are effectively solved in the threshing and redrying processing stage, the efficient utilization of the tobacco raw material is realized, and a powerful support is provided for the high-quality development of the cigarette production. The technical forward movement adopts the forward movement of the tobacco leaf group formula, specifically, the tobacco leaf raw material formula module is assembled and the formula module threshing and redrying is carried out at the threshing and redrying processing stage, so that products meeting specific industrial requirements can be better produced in the threshing and redrying processing link, and better raw material guarantee is provided for industrial cigarette production. However, as the formula module assembly and processing is advanced from the cigarette industry to threshing and redrying processing production, new problems of threshing and redrying production process control are also exposed (1) in the threshing and redrying processing production process, the assembly processing of tobacco leaves is mainly judged according to the tobacco leaf positions and grades. The characteristics of different parts and grades of tobacco leaves are greatly influenced by factors such as tobacco variety, ecological environment, climate change and the like, and the judgment of the grades of the tobacco leaves is mainly carried out by manual subjective judgment, so that the judgment of the assembly and processing of the tobacco leaves by the parts and grades of the tobacco leaves lacks reliable and objective data support. (2) The threshing assembly processing judgment is carried out by depending on the grade and the position, so that the judgment is inaccurate, and further, the processing parameters are set inaccurately, so that the risks of large fluctuation of processing quality, difficult control and even deterioration are caused. (3) At present, redrying enterprises realize that the tobacco leaf plasticity characterization index detection data are reliable data supports for threshing plasticity judgment, and carry out the plasticity characterization index detection work of related tobacco leaf raw materials. However, the problems that how to judge the comprehensive level of the plasticity of the tobacco leaves by utilizing the analysis and detection data, the analysis result of the detection data cannot be applied to threshing and redrying combination, technological parameter regulation and the like are not known. Therefore, a determination method for the threshing and redrying processing plasticity of the tobacco raw materials needs to be studied, the plasticity of the tobacco is determined, and a reference basis is provided for the formulation of the threshing and redrying formula and the regulation and control of technological parameters. Disclosure of Invention In order to solve the technical problems in the prior art, the invention provides the method for judging the threshing and redrying processing plasticity of the tobacco raw materials, which can greatly improve the accuracy of judging the threshing and redrying processing plasticity of the tobacco raw materials compared with the traditional manual judgment method, has high judging efficiency and meets the modern production requirements. In order to achieve the technical effects, the invention adopts the following technical scheme: the invention provides a method for judging the threshing and redrying processing plasticity of tobacco raw materials, which comprises the following steps: Detecting the plasticity characterization index of the tobacco leaves, and preprocessing the detection result to obtain standardized data; determining the weight of each tobacco leaf plasticity characterization index according to the standardized data; And calculating the comprehensive score of the tobacco leaves according to the weight, and judging the plasticity grade of the tobacco leaves according to the comprehensive score. As a preferable technical scheme of the invention, the pretreatment of the detection result comprises unifying the index direction and the reciprocal treatment of the reverse index. As a preferable technical scheme of the invention, the pretreatment of the detection result also comprises standardization treatment, and the standardization treatment method comprise