Method for evaluating extensibility of knitted fabric in complex environment

A complex environment and extensibility technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of inability to evaluate the extensibility of knitted fabrics, and achieve the effect of high reliability and simple evaluation methods.

Pending Publication Date: 2020-08-25
利辛县佳辉服饰有限公司
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[0005] In view of this, the purpose of one or more embodiments of this specification is to propose a method for evaluating the extensibility of knitted fabrics in a complex environment,...
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Abstract

One or more embodiments of the present specification provide a method for evaluating the extensibility of a knitted fabric in a complex environment, and relate to the technical field of polymer materials, the evaluation method comprising the steps of: determining a plurality of influence factors related to the extensibility of a knitted fabric; establishing a multivariable evaluation model takingthe evaluation values of the multiple influence factors as input variables and taking the extensibility evaluation value as an output variable; performing statistics on historical data, substituting the historical data into the multivariable evaluation model to be solved to acquire weight coefficients of the influence factors; and substituting the evaluation values of the multiple influence factors related to the extensibility of the knitted fabric to be evaluated into the multivariable evaluation model to obtain an extensibility evaluation value of the knitted fabric to be evaluated. The method is simple, the reliability of the evaluation result is high, and meanwhile, the evaluation result is used for providing help for improving the extensibility of the subsequent knitted fabric.

Application Domain

Design optimisation/simulationSpecial data processing applications

Technology Topic

Evaluation resultSystems engineering +4

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  • Method for evaluating extensibility of knitted fabric in complex environment

Examples

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Example Embodiment

[0026] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0027] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in one or more embodiments of the present specification shall have ordinary meanings understood by those skilled in the art to which the present disclosure belongs. "First", "second" and similar words used in one or more embodiments of the present specification do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0028] like figure 1 Shown is a schematic flowchart of a method for evaluating the extensibility of knitted fabrics in a complex environment according to one or more embodiments of the present specification. This manual provides an evaluation method for the extensibility of knitted fabrics in a complex environment. The evaluation method includes steps:
[0029] S101. Determine various influencing factors related to the extensibility of the knitted fabric.
[0030] S102. Establish a multivariate evaluation model that uses evaluation values ​​of various influencing factors as input variables and evaluation values ​​of extensibility as output variables.
[0031] S103. Perform statistics on the historical data, respectively substitute them into the multivariate evaluation model for solution, and obtain the weight coefficients of each influencing factor.
[0032] S104. Substituting the evaluation values ​​of various influencing factors related to the extensibility of the knitted fabric to be evaluated into the multivariate evaluation model to obtain an evaluation value of the extensibility of the knitted cloth to be evaluated.
[0033] This manual provides an evaluation method for the extensibility of knitted fabrics in a complex environment. Through statistical historical data, a multivariate evaluation model between various influencing factors and the extensibility of knitted fabrics is established, so as to evaluate the knitting fabrics affected by various influencing factors. The fabric extensibility is evaluated, the evaluation method is simple, and the reliability of the evaluation results is high. At the same time, the evaluation results are used to help the subsequent improvement and improvement of the knitted fabric extensibility.
[0034] In a preferred embodiment, this specification also provides a method for evaluating the extensibility of knitted fabrics in a complex environment, and the evaluation method includes the steps of:
[0035] S201. Determine multiple influencing factors related to the extensibility of the knitted fabric.
[0036] According to the use process of knitted fabrics, it can be known that in complex environments, there are many factors that affect the extensibility of knitted fabrics, including: internal and external factors, of which external factors include ambient temperature, ambient humidity, washing type, washing intensity, washing Time and loss, etc., internal factors include fabric type, fabric temperature and fabric humidity, etc.
[0037] Therefore, before determining the influencing factors related to extensibility, it is necessary to conduct a correlation analysis between each influencing factor and extensibility to determine the main influencing factors related to extensibility. In the embodiment of this specification, the correlation analysis between each influencing factor and the extensibility of knitted fabrics is carried out, and the correlation coefficient threshold is set to determine that the main influencing factors related to extensibility include fabric type, ambient temperature, ambient humidity, and fabric temperature. , fabric humidity and loss.
[0038] S202. Establish a multivariate evaluation model that uses evaluation values ​​of various influencing factors as input variables and evaluation values ​​of extensibility as output variables.
[0039] Quantitative assignment is carried out for each influencing factor respectively, and the multivariate evaluation model is: Y=a 1 x 1 +a 2 x 2 +…+a n x n+δ, where Y represents the evaluation value of extensibility; a 1 、a 2 and a n Respectively represent the weight coefficients of each influencing factor; x 1 、x 2 and x n Respectively represent the evaluation values ​​of different influencing factors; n represents the number of influencing factors, preferably 6; δ represents the correction coefficient, and the elongation evaluation value adopts the maximum extension ratio of the knitted fabric; parameter value.
[0040] S203, making statistics on the historical data, respectively substituting them into the multivariate evaluation model for solution, and obtaining the weight coefficients of each influencing factor. Preprocessing the statistical historical data includes removing large error values ​​and performing interpolation processing on historical data by setting thresholds.
[0041] The extensibility evaluation value of different knitted fabric history and the corresponding evaluation value of each influencing factor were counted separately, and substituted into the multivariate evaluation model to form a statistical equation group of historical data, and the weight coefficient of each influencing factor was solved by using the least square method. At the same time, the value of the correction coefficient δ is obtained.
[0042] The statistical equations of the historical data are: Among them, Y 1 Indicates the extended evaluation value of the first set of histories; Y m Indicates the extensibility evaluation value of the m-th group history; x 11 、x 12 and x 1n Respectively represent the evaluation values ​​of the first group of different influencing factors; x m1 、x m2 and x mn Respectively represent the evaluation values ​​of different influencing factors of the mth group; m represents the number of groups of historical data, preferably 10 groups.
[0043] S204. Measure the evaluation values ​​of various influencing factors related to the extensibility of the knitted fabric to be evaluated.
[0044] After the knitted fabric to be evaluated is selected, the relevant influencing factors of the knitted fabric to be evaluated are measured separately, including the temperature and humidity of the environment where the knitted fabric to be evaluated is currently located, and the temperature and humidity of the knitted fabric to be evaluated are measured separately, and the temperature is measured in Celsius The relative humidity is used for temperature and humidity, and the loss of the fabric to be evaluated is measured to obtain the evaluation value of various influencing factors; the fabric type uses different values ​​to distinguish different types of fabrics, and assigns values ​​to the fabric types. Among them, the loss is calculated by the mass loss method, and the control variable method is used to measure the quality of the knitted fabric to be evaluated and the quality of the brand-new knitted fabric under the same conditions of other influencing factors. The difference is the amount of loss.
[0045] S205. Substituting the evaluation values ​​of various influencing factors related to the extensibility of the knitted fabric to be evaluated into a multivariate evaluation model to obtain an evaluation value of the extensibility of the knitted cloth to be evaluated.
[0046] This manual provides an evaluation method for the extensibility of knitted fabrics in a complex environment. Through statistical historical data, a multivariate evaluation model between various influencing factors and the extensibility of knitted fabrics is established, so as to evaluate the knitting fabrics affected by various influencing factors. The fabric extensibility is evaluated, the evaluation method is simple, and the reliability of the evaluation results is high. At the same time, the evaluation results are used to help the subsequent improvement and improvement of the knitted fabric extensibility.
[0047] Using the evaluation method for the extensibility of knitted fabrics in complex environments provided by one or more embodiments of this specification to evaluate the extensibility of knitted fabrics in complex environments, first determine the influencing factors related to the extensibility of knitted fabrics, because the influencing factors There are many, so it is necessary to select the influencing factors that are more relevant to the extensibility of knitted fabrics. Correlation analysis is usually used to analyze various influencing factors. The specific analysis process is as follows: Using the control variable method, the influence of different influencing factors on the extensibility of knitted fabrics is respectively measured, the extension length of knitted fabrics is used as the dependent variable, and the change of influencing factors is used as the independent variable. , the correlation coefficient r between each independent variable and the dependent variable, the correlation coefficient r is calculated by the product-difference method, and the closer the absolute value is to 1, the stronger the correlation between the two is. Set the correlation coefficient threshold to 0.9, compare the absolute values ​​of multiple correlation coefficients r obtained in turn with the correlation coefficient threshold, and select the influencing factors with the absolute value of r greater than 0.9 as the main influencing factors related to the extensibility of knitted fabrics; Quantify the value of each influencing factor, that is, the evaluation value of the influencing factors, and establish a multivariate evaluation model between the evaluation values ​​of these influencing factors and the evaluation value of the extensibility of knitted fabrics, because each influencing factor has a different degree of influence on the extensibility of knitted fabrics , so the weight coefficient is used to evaluate the influence degree of each influencing factor; the statistical historical knitted fabric extensibility evaluation value and the corresponding influencing factor evaluation value are substituted into the multivariate evaluation model to obtain the weight coefficient of each influencing factor evaluation value and the correction coefficient, and then substituting the evaluation value of each influencing factor of the knitted fabric to be evaluated into the multivariate evaluation model can obtain the extensibility evaluation value of the knitted fabric to be evaluated.
[0048] It can be understood that the method can be executed by any device, device, platform, or device cluster that has computing and processing capabilities. It should be noted that the method in one or more embodiments of this specification may be executed by a single device, such as a computer or server. The method of this embodiment can also be applied in a distributed scenario, and is completed by cooperation of multiple devices. In the case of such a distributed scenario, one of the multiple devices may only perform one or more steps in the method of one or more embodiments of this specification, and the multiple devices will perform mutual interact to complete the described method.
[0049] The foregoing describes specific embodiments of this specification. Other implementations are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in an order different from that in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. Multitasking and parallel processing are also possible or may be advantageous in certain embodiments.
[0050] Those of ordinary skill in the art should understand that: the discussion of any of the above embodiments is exemplary only, and is not intended to imply that the scope of the present disclosure (including claims) is limited to these examples; under the idea of ​​the present disclosure, the above embodiments or Combinations can also be made between technical features in different embodiments, steps can be implemented in any order, and there are many other variations of the different aspects of one or more embodiments of this specification as described above, which are not included in the details for the sake of brevity. supply.
[0051] In addition, for simplicity of illustration and discussion, and so as not to obscure one or more embodiments of the present description, connections to integrated circuit (IC) chips and other components may or may not be shown in the provided figures. Well known power/ground connections. Furthermore, devices may be shown in block diagram form in order to avoid obscuring one or more embodiments of the description, and this also takes into account the fact that details regarding the implementation of these block diagram devices are highly dependent on the implementation of the invention to be implemented. The platform of one or more embodiments is described (ie, the details should be well within the purview of those skilled in the art). Where specific details (eg, circuits) have been set forth to describe example embodiments of the present disclosure, it will be apparent to those skilled in the art that other applications may be made without or with variations from these specific details. One or more embodiments of this specification are implemented below. Accordingly, these descriptions should be regarded as illustrative rather than restrictive.
[0052] Although the disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications and variations of those embodiments will be apparent to those of ordinary skill in the art from the foregoing description. For example, other memory architectures such as dynamic RAM (DRAM) may use the discussed embodiments.
[0053] The description of one or more embodiments is intended to embrace all such alterations, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principles of one or more embodiments of this specification shall fall within the protection scope of the present disclosure.

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