Control system for lace fabric production

Abstract

The invention discloses a control system for lace fabric production, and relates to the technical field of fabric processing, and the system comprises a fabric temperature analysis module which comprises a fabric temperature difference analysis unit, a fabric temperature uniformity analysis unit and a fabric temperature suitability evaluation unit. Analyzing the temperature during processing to obtain a fabric temperature difference evaluation index, a fabric temperature uniformity evaluation index and a fabric temperature suitability evaluation index; and the pattern dislocation correction module comprises a pattern dislocation analysis unit and a pattern dislocation correction unit. Analyzing the position of the pattern to obtain a lace pattern displacement index, a lace pattern rotation function, a lace pattern displacement correction index and a lace pattern displacement correction index; and the production efficiency evaluation module comprises a processing stability evaluation unit, a lace fabric qualification rate prediction unit and a production efficiency comprehensive evaluation unit. And analyzing each parameter during processing to obtain a processing stability evaluation index, analyzing the qualification rate of the fabric to obtain a lace fabric qualification rate prediction index, and calculating a production efficiency comprehensive evaluation index.

Description

Technical Field

[0001] The present invention relates to the technical field of fabric production, and particularly to a control system for the production of lace fabrics. Background Art

[0002] As a high-end textile, lace fabric is more difficult to produce than ordinary fabrics and has more processes, with higher requirements for the elasticity and pattern accuracy of the fabric. Traditional fabric production relies on manual control and inspection, which has disadvantages such as large errors, low efficiency, high defective product rates, and excessive energy consumption waste. With the increasing market demand for lace fabrics and higher quality requirements, traditional fabric production and processing cannot meet the current market demand. How to efficiently control the production of lace fabrics has become a problem to be solved.

[0003] In a Chinese invention application with the publication number CN119414797A, a production process control method and system for a new type of lightweight fabric are disclosed, including: obtaining the temperature value of the fabric after cooling treatment to generate a sub-region temperature scatter plot; calculating the coordinate point discrete index and the out-of-range existence index based on the sub-region temperature scatter plot; calculating the temperature evaluation value based on the coordinate point discrete index and the out-of-range existence index; generating a production process judgment signal based on the temperature evaluation value; obtaining the temperature drop value of the fabric and calculating the temperature drop evaluation value; generating a temperature drop state signal based on the temperature drop evaluation value; calculating the correlation evaluation value based on the temperature drop value and the temperature drop set value of the fabric; generating a correlation signal based on the correlation evaluation value; calculating the coolant usage adjustment value based on the temperature drop deviation value; and optimizing the cooling system of the new type of lightweight fabric in production by precisely controlling the coolant usage, thereby improving the qualification rate of the production process of the new type of lightweight fabric.

[0004] In the above invention application, by analyzing the temperature value of the fabric after cooling and using the temperature scatter plot to judge and adjust the temperature situation of the fabric, the cooling system of the fabric in production is optimized. However, the situation of uneven temperature distribution of the fabric is not considered and adjusted, which may lead to differences in the elasticity of the fabric after processing, reducing the qualification rate. At the same time, the pattern situation of the fabric is not analyzed and adjusted either.

[0005] Therefore, the present invention provides a control system for the production of lace fabrics. Summary of the Invention

[0006] (I) Technical Problems to be Solved Aiming at the deficiencies of the prior art, the present invention provides a control system for the production of lace fabrics, which obtains the fabric temperature difference evaluation index , fabric temperature uniformity evaluation index and fabric temperature suitability evaluation index , the lace pattern displacement index is obtained by analyzing the position of the lace fabric pattern , the lace pattern rotation function , the lace pattern displacement correction index and the lace pattern displacement correction index , the processing stability evaluation index is obtained by analyzing each parameter during the processing of the lace fabric , the lace fabric pass rate prediction index is obtained by analyzing the pass rate of the lace fabric , calculate the comprehensive evaluation index of production efficiency , analyze the temperature uniformity of the lace fabric, adjust the pattern misalignment, and effectively evaluate the production efficiency of the lace fabric production system, thus solving the technical problems recorded in the background art.

[0007] (2) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: A control system for producing lace fabric, including: The fabric temperature analysis module, including a fabric temperature difference analysis unit, a fabric temperature uniformity analysis unit, and a fabric temperature suitability evaluation unit. It is used to analyze the setting temperature during the processing of the lace fabric to obtain the fabric temperature difference evaluation index , the fabric temperature uniformity evaluation index and the fabric temperature suitability evaluation index ; The pattern misalignment correction module, including a pattern misalignment analysis unit and a pattern misalignment correction unit. It is used to analyze the position of the lace fabric pattern to obtain the lace pattern displacement index , the lace pattern rotation function , the lace pattern displacement correction index and the lace pattern displacement correction index ; The production efficiency evaluation module, including a processing stability evaluation unit, a lace fabric pass rate prediction unit, and a production efficiency comprehensive evaluation unit. It is used to analyze each parameter during the processing of the lace fabric to obtain the processing stability evaluation index , analyze the pass rate of the lace fabric to obtain the lace fabric pass rate prediction index , calculate the production efficiency comprehensive evaluation index .

[0008] Use an infrared thermometer to scan the lace fabric to obtain the area of different temperature regions of the lace fabric , the temperature of different temperature regions , calculate the fabric temperature difference evaluation index : ; When ≤ When it is, it indicates that the overall temperature of the lace fabric has a small gap from the optimum temperature; Among them, represents the number of the lace fabric, = 1, 2, …, k , represents the number of different temperature regions of the lace fabric, = 1, 2, …, m , k , are positive integers, represents the optimum temperature for shaping the lace fabric, is the mean value of the historical fabric temperature difference evaluation index , is the standard deviation of the historical fabric temperature difference evaluation index .

[0009] Furthermore, use an infrared thermometer to scan the lace fabric to obtain the area of different temperature regions of the lace fabric and the temperature of different temperature regions, and calculate the fabric temperature uniformity evaluation index : ; Among them, is the mean value of the historical fabric temperature uniformity evaluation index , is the standard deviation of the historical fabric temperature uniformity evaluation index .

[0010] Furthermore, obtain the fabric temperature difference evaluation index and the fabric temperature uniformity evaluation index , and calculate the fabric temperature suitability evaluation index : ; When the temperature suitability evaluation index < 1, it indicates that the overall temperature and temperature distribution of the lace fabric meet the standards for suitable shaping.

[0011] Furthermore, use a high-precision industrial camera to photograph and analyze the lateral displacement between the actual center point and the preset center point of the lace pattern, the longitudinal displacement , the lateral distance between two feature points on the lace pattern, and the longitudinal distance , and calculate the lace pattern displacement index , the lace pattern rotation function : ; Among them, represents the number of the lace pattern, = 1, 2, …, n , is a positive integer, and two characteristic points of the preset lace pattern are parallel to the X-axis, that is, the longitudinal distance = 0.

[0012] Furthermore, retrieve the historical data of the control system for lace fabric production to obtain the lace pattern displacement index and the lace pattern rotation function of the past 20 times of lace fabric, and calculate the lace pattern displacement correction index and the lace pattern displacement correction index : ; The calculation formulas of the said lace pattern displacement correction index and the lace pattern displacement correction index are as above.

[0013] Furthermore, retrieve the historical data of the control system for lace fabric production to obtain the most recent fabric temperature suitability evaluation index , the lace pattern displacement index of the lace fabric, and calculate the processing stability evaluation index : ; When < 1, it indicates that the processing of lace fabric production is relatively stable; Among them, represents the chronological number for production efficiency evaluation, = 1, 2, …, t , is a positive integer, represents the maximum allowable distance of pattern misalignment of the currently processed lace fabric.

[0014] Furthermore, retrieve the historical data of the control system for lace fabric production to obtain the pass rate of the past 20 times of lace fabric monitoring, and calculate the lace fabric pass rate prediction index : ; When < , it indicates that the current batch of lace fabric has a relatively high risk of quality problems; Among them, represents the mean value of the lace fabric numbers of the past twenty times; Indicates the minimum requirement for the pass rate of lace fabric.

[0015] Furthermore, obtain the processing stability evaluation index and the prediction index of the pass rate of lace fabric , and calculate the comprehensive evaluation index of production efficiency : ; When the comprehensive evaluation index of production efficiency < 1, it indicates that the production efficiency of lace fabric is relatively high.

[0016] (III) Beneficial effects The present invention provides a control system for the production of lace fabric, which has the following beneficial effects: 1. Based on the area of different temperature regions of the lace fabric , the temperature of different temperature regions , calculate the fabric temperature difference evaluation index , which can evaluate the gap between the overall temperature of the lace fabric and the optimal setting temperature of the lace fabric, and helps the lace fabric to be set at the optimal temperature, improving the product quality.

[0017] 2. Based on the area of different temperature regions of the lace fabric , the temperature of different temperature regions , calculate the fabric temperature uniformity evaluation index , which can evaluate the temperature distribution of the lace fabric, helps to judge whether the lace fabric is heated evenly, and avoids poor setting effect caused by uneven temperature of the lace fabric.

[0018] 3. Based on the fabric temperature difference evaluation index and the fabric temperature uniformity evaluation index , calculate the fabric temperature suitability evaluation index , which can comprehensively evaluate the overall temperature and temperature distribution of the lace fabric, helps to judge whether the lace fabric meets the standard of proper setting, and avoids losses caused by non-compliant temperature or uneven temperature distribution during the setting of the lace fabric.

[0019] 4. Based on the lace pattern displacement index of the lace fabric in the past 20 times and the lace pattern rotation function , calculate the lace pattern displacement correction index and the lace pattern displacement correction index , which can adjust the situation of pattern misalignment. The dynamic adjustment of pattern misalignment can make the adjustment adapt to the trend of pattern misalignment, making the adjustment of lace pattern misalignment more accurate.

[0020] 5. Based on the most recent fabric temperature suitability evaluation index of the lace fabric 、 Lace pattern displacement index to calculate the processing stability evaluation index can effectively evaluate the stability of lace fabric during processing and the final quality of the product. At the same time, the analysis of the processing process and final quality can provide an overall judgment and understanding of the entire lace fabric processing system. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of a control system for producing a lace fabric according to the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0022] Hereinafter, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figure 1 , the present invention provides a control system for producing a lace fabric, including: A fabric temperature analysis module, including a fabric temperature difference analysis unit, a fabric temperature uniformity analysis unit, and a fabric temperature suitability evaluation unit. It is used to analyze the setting temperature during the processing of lace fabric to obtain the fabric temperature difference evaluation index , fabric temperature uniformity evaluation index and fabric temperature suitability evaluation index .

[0024] The fabric temperature difference analysis unit calculates the fabric temperature difference evaluation index based on the area of different temperature regions of the lace fabric , the temperature of different temperature regions , and calculates the fabric temperature difference evaluation index .

[0025] Use an infrared thermometer to scan the lace fabric to obtain the area of different temperature regions of the lace fabric , the temperature of different temperature regions , and calculate the fabric temperature difference evaluation index : ; When ≤ , it indicates that the overall temperature of the lace fabric has a small gap from the optimum temperature.

[0026] Among them, represents the number of the lace fabric, = 1, 2,..., k , The number representing different temperature regions of the lace fabric, = 1, 2, …, m , k , where \(n\) is a positive integer, represents the optimal temperature for shaping the lace fabric, \(\overline{T}\) is the mean value of the historical fabric temperature difference evaluation index , \(\overline{T}\) is the mean value of the historical fabric temperature difference evaluation index \(S_T\) is the standard deviation of the historical fabric temperature difference evaluation index

[0027] Based on the area of different temperature regions of the lace fabric and the temperature of different temperature regions , calculate the fabric temperature difference evaluation index , which can evaluate the gap between the overall temperature of the lace fabric and the optimal shaping temperature of the lace fabric, and helps to shape the lace fabric at the optimal temperature, improving the product quality.

[0028] The fabric temperature uniformity analysis unit calculates the fabric temperature uniformity evaluation index based on the area of different temperature regions of the lace fabric and the temperature of different temperature regions .

[0029] Use an infrared thermometer to scan the lace fabric to obtain the area of different temperature regions of the lace fabric and the temperature of different temperature regions , and calculate the fabric temperature uniformity evaluation index : ; where, \(\overline{U}\) is the mean value of the historical fabric temperature uniformity evaluation index ,[[ID=5,6]] \(\overline{U}\) is the mean value of the historical fabric temperature uniformity evaluation index \(S_U\) is the standard deviation of the historical fabric temperature uniformity evaluation index

[0030] Based on the area of different temperature regions of the lace fabric and the temperature of different temperature regions , calculate the fabric temperature uniformity evaluation index , which can evaluate the temperature distribution of the lace fabric, helps to judge whether the lace fabric is heated evenly, and avoids poor shaping effect of the lace fabric due to uneven temperature.

[0031] The fabric temperature suitability evaluation unit calculates the fabric temperature suitability evaluation index based on the fabric temperature difference evaluation index and the fabric temperature uniformity evaluation index .

[0032] Obtain the fabric temperature difference evaluation index of the lace fabric and the fabric temperature uniformity evaluation index , and calculate the fabric temperature suitability evaluation index : ; When the temperature suitability evaluation index < 1, it indicates that the overall temperature and temperature distribution of the lace fabric meet the standards for shaping.

[0033] Based on the fabric temperature difference evaluation index and the fabric temperature uniformity evaluation index , calculate the fabric temperature suitability evaluation index , which can comprehensively evaluate the overall temperature and temperature distribution of the lace fabric, help to determine whether the lace fabric meets the appropriate shaping standards, and avoid losses caused by unqualified temperature or uneven temperature distribution during the shaping of the lace fabric.

[0034] The pattern misalignment correction module, including a pattern misalignment analysis unit and a pattern misalignment correction unit. It is used to analyze the position of the lace fabric pattern to obtain the lace pattern displacement index , the lace pattern rotation function , the lace pattern displacement correction index and the lace pattern displacement correction index .

[0035] The pattern misalignment analysis unit calculates the lace pattern displacement index , the lace pattern rotation function and longitudinal distance .

[0036] Use a high-precision industrial camera to photograph and analyze the lateral displacement : ; Among them, represents the number of the lace pattern, = 1, 2,..., n , is a positive integer, and two feature points of the preset lace pattern are parallel to the X-axis, that is, the longitudinal distance = 0.

[0037] The pattern misalignment correction unit calculates the lace pattern displacement correction index and the lace pattern rotation function based on the lace pattern displacement indices of the past 20 pieces of lace fabric and the lace pattern displacement correction index .

[0038] Retrieve the historical data of the control system for lace fabric production to obtain the lace pattern displacement indices of the past 20 pieces of lace fabric and the lace pattern rotation function and calculate the lace pattern displacement correction index and the lace pattern displacement correction index : ; Based on the lace pattern displacement indices of the past 20 pieces of lace fabric and the lace pattern rotation function , calculate the lace pattern displacement correction index and the lace pattern displacement correction index . The situation of pattern misalignment can be adjusted, and the dynamic adjustment of pattern misalignment can make the adjustment adapt to the trend of pattern misalignment, making the adjustment of lace pattern misalignment more accurate.

[0039] The production efficiency evaluation module includes a processing stability evaluation unit, a lace fabric qualification rate prediction unit, and a production efficiency comprehensive evaluation unit. It is used to analyze various parameters during the processing of lace fabric to obtain the processing stability evaluation index , analyze the qualification rate of lace fabric to obtain the lace fabric qualification rate prediction index , and calculate the production efficiency comprehensive evaluation index .

[0040] The processing stability evaluation unit calculates the processing stability evaluation index based on the most recent fabric temperature suitability evaluation index of the lace fabric and the lace pattern displacement index .

[0041] Retrieve the historical data of the control system for lace fabric production to obtain the most recent fabric temperature suitability evaluation index of the lace fabric and the lace pattern displacement index , and calculate the processing stability evaluation index : ; When When it is < 1, it indicates that the processing of lace fabric production is relatively stable.

[0042] Among them, represents the chronological number for evaluating production efficiency, = 1, 2, …, t , is a positive integer, represents the maximum allowable distance of pattern misalignment of the currently processed lace fabric.

[0043] The lace fabric qualification rate prediction unit calculates the lace fabric qualification rate prediction index based on the qualification rates of the past 20 times of lace fabric monitoring and the sample quantity . .

[0044] Retrieve the historical data of the control system for lace fabric production to obtain the qualification rates of the past 20 times of lace fabric monitoring , and calculate the lace fabric qualification rate prediction index : ; When < , it indicates that the current batch of lace fabric has a relatively high risk of quality problems; Among them, represents the mean value of the lace fabric numbers of the past twenty times ; represents the minimum requirement for the lace fabric qualification rate.

[0045] The comprehensive production efficiency index is calculated based on the processing stability evaluation index and the lace fabric qualification rate prediction index . .

[0046] Obtain the processing stability evaluation index and the lace fabric qualification rate prediction index , and calculate the comprehensive production efficiency index : ; When the comprehensive production efficiency index < 1, it indicates that the production efficiency of the lace fabric is relatively high.

[0047] Based on the most recent fabric temperature suitability evaluation index of the lace fabric, the lace pattern displacement index , calculate the processing stability evaluation index , it can effectively evaluate the stability of the lace fabric during the processing and the final quality of the product. At the same time, the analysis of the processing process and the final quality can provide an overall judgment and understanding of the entire lace fabric processing system.

[0048] The above embodiments can be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, the above embodiments can be implemented in whole or in part in the form of a computer program product. Those of ordinary skill in the art will appreciate that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or in a combination of computer software and electronic hardware. Whether these functions are executed in hardware or software depends on the specific application and design constraints of the technical solution.

[0049] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0050] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present application can easily think of changes or substitutions, which should all be covered within the protection scope of the present application.

Claims

1. A control system for the production of lace fabrics, characterized in that, Including: The fabric temperature analysis module includes a fabric temperature difference analysis unit, a fabric temperature uniformity analysis unit, and a fabric temperature suitability evaluation unit, and is used to analyze the setting temperature during the processing of lace fabric to obtain a fabric temperature difference evaluation index , a fabric temperature uniformity evaluation index and a fabric temperature suitability evaluation index ; The pattern misalignment correction module includes a pattern misalignment analysis unit and a pattern misalignment correction unit, and is used to analyze the position of the lace fabric pattern to obtain the lace pattern displacement index , the lace pattern rotation function , the lace pattern displacement correction index and the lace pattern displacement correction index ; Production efficiency evaluation module, including a processing stability evaluation unit, a qualified rate prediction unit for lace fabrics, and a comprehensive production efficiency evaluation unit. It is used to analyze various parameters during the processing of lace fabrics to obtain a processing stability evaluation index , analyze the qualified rate of lace fabrics to obtain a qualified rate prediction index for lace fabrics , and calculate a comprehensive production efficiency evaluation index .

2. A control system for lace fabric production according to claim 1, characterized in that: Use an infrared thermometer to scan the lace fabric to obtain the areas of different temperature regions of the lace fabric and the temperatures of different temperature regions , and calculate the fabric temperature difference evaluation index : ； When ≤ it indicates that the overall temperature of the lace fabric has a small difference from the optimal temperature; Among them, represents the number of the lace fabric, = 1, 2, …, k , represents the number of different temperature regions of the lace fabric, = 1, 2, …, m , k , are positive integers, represents the optimal temperature for shaping the lace fabric, is the mean value of the historical fabric temperature difference evaluation index , is the standard deviation of the historical fabric temperature difference evaluation index .

3. A control system for lace fabric production according to claim 1, characterized in that: Use an infrared thermometer to scan the lace fabric to obtain the areas of different temperature regions of the lace fabric and the temperatures of different temperature regions , and calculate the fabric temperature uniformity evaluation index : ； Among them, is the mean value of the historical fabric temperature uniformity evaluation index , is the standard deviation of the historical fabric temperature uniformity evaluation index .

4. A control system for lace fabric production according to claim 1, characterized in that: Obtain the fabric temperature difference evaluation index of the lace fabric and the fabric temperature uniformity evaluation index , and calculate the fabric temperature suitability evaluation index : ； When the temperature suitability evaluation index <1, it indicates that the overall temperature and temperature distribution of the lace fabric meet the standards suitable for shaping.

5. A control system for lace fabric production according to claim 1, characterized in that: Use a high-precision industrial camera to photograph and analyze the lateral displacement of the actual center point and the preset center point of the lace pattern , longitudinal displacement , the lateral distance between two feature points on the lace pattern and longitudinal distance , calculate the lace pattern displacement index , lace pattern rotation function : ； Among them, represents the number of the lace pattern, = 1, 2, …, n , is a positive integer. Two characteristic points of the preset lace pattern are parallel to the X-axis, that is, the longitudinal distance = 0.

6. A control system for lace fabric production according to claim 1, characterized in that: Retrieve the historical data of the control system for lace fabric production to obtain the lace pattern displacement index of the past 20 times of lace fabric and the lace pattern rotation function , calculate the lace pattern displacement correction index and the lace pattern displacement correction index : ； The lace pattern displacement correction index and the lace pattern displacement correction index are calculated as above.

7. A control system for lace fabric production according to claim 1, characterized in that: Retrieve the historical data of the control system for lace fabric production to obtain the most recent fabric temperature suitability evaluation index of the lace fabric , lace pattern displacement index , and calculate the processing stability evaluation index : ； When < 1, it indicates that the processing of lace fabric production is relatively stable; Among them, represents the chronological number for production efficiency evaluation, = 1, 2, …, t , is a positive integer, represents the maximum allowable distance for the pattern misalignment of the lace fabric being processed currently.

8. A control system for lace fabric production according to claim 1, characterized in that: Retrieve the historical data of the control system for lace fabric production to obtain the pass rates of the past 20 lace fabric inspections , and calculate the lace fabric pass rate prediction index : ； When < it indicates that the lace fabric of the current batch has a high risk of quality problems; Among them, represents the average value of the lace fabric numbers in the past twenty times . Indicates the minimum requirement for the pass rate of lace fabric.

9. A control system for lace fabric production according to claim 1, characterized in that: Obtain the processing stability evaluation index and the prediction index of the qualified rate of lace fabric , and calculate the comprehensive evaluation index of production efficiency : ； When the comprehensive evaluation index of production efficiency <1, it indicates that the production efficiency of lace fabric is relatively high.

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