CN102129489B - Fabric density distribution simulation system - Google Patents
Fabric density distribution simulation system Download PDFInfo
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- CN102129489B CN102129489B CN 201010618085 CN201010618085A CN102129489B CN 102129489 B CN102129489 B CN 102129489B CN 201010618085 CN201010618085 CN 201010618085 CN 201010618085 A CN201010618085 A CN 201010618085A CN 102129489 B CN102129489 B CN 102129489B
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Abstract
The invention relates to a fabric density distribution simulation system, which comprises a decoding digital circuit integrated module, a simulation digital circuit integrated module and a density counting digital circuit integrated module. The decoding digital circuit integrated module is used for decoding encrypted data output by an evenness machine into an evenness data stream readable for a computer, and inputting the evenness data stream into the simulation digital circuit integrated module, wherein the evenness data comprises an evenness length and an evenness sectional area; the input parameters of the simulation digital circuit integrated module include the evenness data stream, warp yarn density, weft yarn density, warp yarn material density, weft yarn material density, predetermined length of the warp yarn and predetermined length of the weft yarn, and the output parameter of the simulation digital circuit integrated module is the fabric density of a simulative cloth; and a mapping function is arranged in the simulation digital circuit integrated module, and the mapping function is used for mapping the one-dimensional evenness data stream into a two-dimensional simulation coordinate system, so that each point in the simulation coordinate system can correspond to the evenness data in the evenness data stream.
Description
Technical field
The present invention relates to detect Density and the equipment of observing the fabric face uniformity coefficient in a kind of textile industry, be specifically related to a kind of Density distributed simulation system.
Background technology
Density is the mass distribution of fabric on unit area; With weight, wearing quality, feel and the gas penetration potential of fabric much relations are arranged; Thereby Density is the important parameter of control fabric face uniformity coefficient; And the line density homogeneity of fabric face uniformity coefficient and raw yarn has corresponding relation, and closely bound up with weaving process.Use the Density mirror to detect Density in the prior art and observe the fabric face uniformity coefficient, its primary structure be above a steel ruler, be provided with one can be along the magnifier of the seamed edge move left and right of steel ruler, the seamed edge of the center doubling steel ruler of magnifier.When detecting operation, the Density mirror is placed on the tested fabric, operating personnel bend down head, and eyes stare at magnifier, then through about slowly moving magnifier observe and learn the radical of the fabric yarn that shows in the camera lens and the distribution situation between yarn and the yarn by heart.The defective of Density mirror is: only limit to single observation, be difficult for carrying out many people's contrasts; Can cause operating personnel's health to feel exhausted and discomfort after long-time the use; Because the method that each one uses is different, adds that fabric itself has bigger retractility, increases the detection error between the different batches easily.
Existing robotization Density checkout equipment adopts according to Fourier transform and fabric spectrogram more, the average period of extracting the fabric filling yarn, calculates the average density of fabric with this.Making the result who obtains in this way is the mean value that possibly contain error factor, lacks intuitive and verifiable property, be not easy to hand inspection and correction, thereby inconvenience obtains practical application.
Under the condition that fabrication processes is confirmed, the two-dimentional Density Distribution of fabric is done the data decision by the one dimension bar, thereby the dried data of the longitude and latitude bar of capable of using dried machine output are analyzed the Density to sample in the production run.It is important parameters that the fabric cross section is described that bar is done data; But the bar of the dried machine output of bar is at present done data and can only on output devices such as display screen or printer paper, be represented with the mode of trend curve figure; The user can only obtain cross section parameter indirectly through reading trend curve figure, can not directly do data to bar and analyze.The equipment provider does data to the bar of deposit usually and carries out ciphered compressed, makes the user can not bar be done data and is taken out by computer-readable, and the Density Distribution that is used for textile sample is calculated.
Summary of the invention
The present invention is directed to the deficiency of prior art, proposed a kind of bar of warp thread and weft yarn that utilizes and done the wefting insertion process that data are come the emulation air-jet loom, output is with the Density distributed simulation system of the Density distributed image of different color or gray scale expression.
Technical scheme of the present invention is following:
A kind of Density distributed simulation system; It is characterized in that: comprise decoded digital circuit integrated module and simulated digital circuit integrated module; Wherein said decoded digital circuit integrated module is decoded as computer-readable dried data stream with the enciphered data of the dried machine of bar output and imports said simulated digital circuit integrated module, and the bar in said dried data stream is done data and comprised that bar does length and the corresponding dried area of section of bar thereof; The input parameter of said simulated digital circuit integrated module comprises that bar does data, warp yarn density, weft threads density, warp thread density of material, weft material density, warp thread preseting length and weft yarn preseting length, and output parameter is the Density of emulation cloth; Said dried data stream is mapped to through mapping function in the emulation coordinate system of two dimension, does length and the corresponding dried area of section of bar thereof, calculate the Density of said point according to the corresponding bar of the point in the said emulation coordinate system; Mapping function in the said simulated digital circuit integrated module is:
L＝(X-1)L
0+(L
0-Y)，
Wherein L is that bar is done length, L
0Be preseting length, X is a transverse axis glass radical, and Y is a longitudinal extent.
The decode procedure of said enciphered data may further comprise the steps:
1) from said enciphered data, gets 3 encrypted bytes successively;
2) each encrypted byte is divided into last 4 and following 4, amounts to 6 bit data;
3) read said bit data by scale-of-two successively;
4) said 6 bit data are arranged entirely, every arrangement is once composed preceding 3 bit data to Data1, and back 3 bit data are composed to Data2, till the data value in said dried data presents cyclical variation;
5) data after output is arranged again are as said dried data stream.
In the said simulated digital circuit integrated module, after sample area is got calmly, try to achieve warp thread volume and weft yarn volume through said dried area of section; Sample quality=warp thread volume * warp thread density of material+weft yarn volume * weft material density; Density=sample quality ÷ sample area then.
Said Density input density statistical figure circuit integrated module is exported visual Density Distribution image.
Said Density input density statistical figure circuit integrated module is exported visual Density Distribution image.
Technique effect of the present invention is following:
The present invention is a kind of Density distributed simulation system; Comprise decoded digital circuit integrated module, simulated digital circuit integrated module and Statistics of Density digital circuit integration module; Wherein the decoded digital circuit integrated module is decoded as computer-readable dried data stream input simulated digital circuit integrated module with the enciphered data of the dried machine output of bar, and bar is done data and comprised dried length of bar and the dried area of section of bar; The input parameter of simulated digital circuit integrated module comprises that bar does data stream, warp yarn density, weft threads density, warp thread density of material, weft material density, warp thread preseting length and weft yarn preseting length, and output parameter is the Density of emulation cloth.Owing in the simulated digital circuit integrated module, be provided with mapping function; The bar of one dimension is done data stream to be mapped in the two-dimensional simulation coordinate system; Make every bit in the emulation coordinate system all can correspond to the bar that bar does in the data stream and do data, thereby can know the area of section of warp thread and weft yarn on the every bit.By area of section, warp yarn density, weft threads density, or the like, draw the density parameter of this point according to the density calculation principle.
The invention provides a kind of analogy method; Having overcome prior art can't dried homogeneity combine to carry out related defective with the fabric knitting parameter with the bar of raw yarn, does homogeneity according to the bar of raw yarn and detects final effect figure and the associated fabric density uniformity analysis result that data obtain to simulate the outward appearance striped of weaving cotton cloth.
Density parameter simulation process of the present invention is through choosing enough sample points in the emulation coordinate system; Contrast with the textile sample of reality; Can prove through Monte Carlo principle; Though the density parameter of simulation result output of the present invention can not guarantee the position that certain density occurs, the relative error of statistics such as the average of density parameter, variance, extreme difference is no more than 5%, thereby the present invention has the high characteristics of emulation accuracy.
The decoding of enciphered data of the present invention has designed coding/decoding method targetedly according to the characteristics of the dried enciphered data self of bar, and this method computation process is simple, applicable to the big data quantity computing.
Description of drawings
Fig. 1 is a Density distributed simulation system structural representation of the present invention
Fig. 2 is a decrypting process synoptic diagram in the decoded digital circuit integrated module of the present invention
Fig. 3 is the two-dimensional coordinate synoptic diagram after the mapping in the simulated digital circuit integrated module of the present invention
Fig. 4 is simulated effect figure of the present invention
Embodiment
The present invention will be described below in conjunction with accompanying drawing.
As shown in Figure 1; Density distributed simulation system of the present invention comprises decoded digital circuit integrated module 1, simulated digital circuit integrated module 2 and Statistics of Density digital circuit integration module 3; Wherein decoded digital circuit integrated module 1 is done the data decode method through bar, and the enciphered data that the dried machine of bar is exported is decoded as computer-readable dried data stream; Simulated digital circuit integrated module 2 is used for the bar of one dimension is done data stream is mapped to two dimension through mapping function coordinate system; Form emulating fabric; Wherein arbitrarily a bit all can be on the emulating fabric by the bar of warp thread and weft yarn dried data representation; After sample area is confirmed, can calculate Density, in the input density statistical figure circuit integrated module 3; The Density Distribution image of the emulating fabric of different color or gray scale expression is adopted in 3 outputs of Statistics of Density digital circuit integration module, realizes the Density Distribution effect of visualization.
It is two characteristics according to the dried machine enciphered data of bar that bar in the decoded digital circuit integrated module 1 is done the data decode method: a) because bar is done the data area of data between 10-12 binary digit (bit), encrypt output so common AES can select that 2 bars are done data storing in the mode of 3 bytes (byte); B) for the common dried machine of condenser type bar, export 2 bars at every turn and do data, and data 2＞data 1, (when data 1＞data 2, not influencing the use of method).Based on above-mentioned two characteristics of the dried machine enciphered data of bar, the exploration scope that can dwindle decoding greatly.
As shown in Figure 2, the decode procedure of enciphered data may further comprise the steps:
1) from said enciphered data, gets 3 encrypted byte byte1, byte2, byte3 successively;
2) each encrypted byte is divided into last 4 and following 4, amounts to bit data b1, b2, b3, b4, b5, b6;
3) from enciphered data, read all bit data of 3 encrypted bytes successively by scale-of-two;
4) 6 bit data are arranged entirely, every arrangement is once composed first three bit data to Data1, and back three bit data are composed to Data2, till the data value in said dried data presents cyclical variation;
For example, a possible result is: the bit data of Data1 is b1, b2, b4, and the bit data of Data2 is b5, b6, b3; Above-mentioned arrangement regulation is applied in all enciphered datas;
5) data after output is arranged are again done data stream as bar.
Computer-readable dried data stream of last decoded digital circuit integrated module 1 output, the dried data of bar that bar is done in the data stream comprise dried length of bar and the dried area of section parameter of bar.
The input parameter of simulated digital circuit integrated module 2 comprises that bar does data, warp yarn density, weft threads density, warp thread density of material, weft material density, warp thread preseting length and weft yarn preseting length, and output parameter is the Density of emulation cloth.The unit of warp yarn density and weft threads density is: root/inch, the radical that expression warp thread or weft yarn are arranged in unit length; The unit of warp thread density of material and weft material density is: g/cm
3, the quality of expression warp thread or weft material unit volume; The unit of cloth width is mm, the preseting length of warp thread or weft yarn in the expression emulating fabric.
As shown in Figure 3; Under the condition that the air-jet loom fabrication processes is confirmed; The two-dimentional Density Distribution of fabric is done the data decision by the one dimension bar, thus in simulated digital circuit integrated module 2 according to geometrical principle, definition is L=(X-1) L by the mapping function of the weft yarn that solid line is represented
0+ (L
0-Y), wherein L does length for the weft yarn bar, and unit is mm; L
0Be the preseting length of weft yarn, unit is mm; X is the weft yarn glass radical of warp thread direction, and X is a natural number; Y is the coordinate of weft direction, and unit is mm.The mapping function of warp thread is L '=(X '-1) L
0'+(L
0'-Y '), wherein L ' does length through sliver, and unit is mm; L
0' be the preseting length of warp thread, unit is mm; X ' is the warp thread glass radical of weft direction, and X ' is a natural number; Y ' is the coordinate of warp thread direction, and unit is mm.By weft yarn with warp thread is crisscross can draw complete emulating fabric.In warp, the weaving of latitude cross, (X Y) combines through warp yarn density and weft threads density any point coordinate of weft yarn; Can draw this respective coordinates on warp thread (X ', Y ') through mathematical computations, on the contrary also can pass through the warp thread coordinate (X '; Y ') draw the weft yarn coordinate (X, Y).
According to above-mentioned mapping function, can draw emulation cloth meaning (X a bit that takes up an official post
0, Y
0) and the weft yarn bar do length L and do length L through sliver ' between corresponding relation, thereby obtain weft yarn area of section and warp thread area of section; After sample area is got calmly, can calculate the warp thread volume and the weft yarn volume of this sample, and then can draw the quality=warp thread volume * warp thread density of material+weft yarn volume * weft material density of sample, (X
0, Y
0) point Density can calculate through quality ÷ sample area.The Density of emulation cloth can be represented the density of a bit, also can represent to choose by technical standard the local density of sample (for example 10cm X 10cm).
The Density that Statistics of Density digital circuit integration module 3 receives by 2 outputs of simulated digital circuit integrated module quantizes density parameter, makes arbitrfary point (X
0, Y
0) density parameter corresponding with pixel value, promptly exportable visual gray scale or coloured image.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; Although this instructions has carried out detailed explanation with reference to accompanying drawing and embodiment to the invention,, those skilled in the art are to be understood that; Still can make amendment or be equal to replacement the invention; In a word, all do not break away from the technical scheme and the improvement thereof of the spirit and the scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.
Claims (5)
1. Density distributed simulation system; It is characterized in that: comprise decoded digital circuit integrated module and simulated digital circuit integrated module; Wherein said decoded digital circuit integrated module is decoded as computer-readable dried data stream with the enciphered data of the dried machine of bar output and imports said simulated digital circuit integrated module, and the bar in said dried data stream is done data and comprised that bar does length and the corresponding dried area of section of bar thereof; The input parameter of said simulated digital circuit integrated module comprises that bar does data, warp yarn density, weft threads density, warp thread density of material, weft material density, warp thread preseting length and weft yarn preseting length, and output parameter is the Density of emulation cloth; Said simulated digital circuit integrated module is mapped to said dried data stream in the emulation coordinate system of two dimension through mapping function; Do length and the corresponding dried area of section of bar thereof according to the corresponding bar of the point in the said emulation coordinate system, calculate the Density of said point; Mapping function in the said simulated digital circuit integrated module is:
L＝(X-1)L
0+(L
0-Y)，
Wherein L is that bar is done length, L
0Be preseting length, X is a transverse axis glass radical, and Y is a longitudinal extent.
2. a kind of Density distributed simulation system as claimed in claim 1, it is characterized in that: the decode procedure of said enciphered data may further comprise the steps:
1) from said enciphered data, gets 3 encrypted bytes successively;
2) each encrypted byte is divided into last 4 and following 4, amounts to 6 bit data;
3) read said bit data by scale-of-two successively;
4) said 6 bit data are arranged entirely, every arrangement is once composed preceding 3 bit data to Data1, and back 3 bit data are composed to Data2, till the data value in said dried data presents cyclical variation;
5) data after output is arranged again are as said dried data stream.
3. according to claim 1 or claim 2 a kind of Density distributed simulation system is characterized in that: in the said simulated digital circuit integrated module, when sample area get fixed after, try to achieve warp thread volume and weft yarn volume through said dried area of section; Sample quality=warp thread volume * warp thread density of material+weft yarn volume * weft material density; Density=sample quality ÷ sample area then.
4. according to claim 1 or claim 2 a kind of Density distributed simulation system, it is characterized in that: Statistics of Density digital circuit integration module receives the said Density by said simulated digital circuit integrated module output, exports visual Density Distribution image.
5. a kind of Density distributed simulation system as claimed in claim 3 is characterized in that: Statistics of Density digital circuit integration module receives the said Density by said simulated digital circuit integrated module output, exports visual Density Distribution image.
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|---|---|---|---|
| CN 201010618085 CN102129489B (en) | 2010-12-31 | 2010-12-31 | Fabric density distribution simulation system |
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|---|---|---|---|
| CN 201010618085 CN102129489B (en) | 2010-12-31 | 2010-12-31 | Fabric density distribution simulation system |
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| CN102129489A CN102129489A (en) | 2011-07-20 |
| CN102129489B true CN102129489B (en) | 2012-09-05 |
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| EP2891997A1 (en) | 2014-01-06 | 2015-07-08 | Fujitsu Limited | Methods and apparatus for including a confidential structural component in a third party remote product simulation |
| ES2570653B1 (en) * | 2014-11-18 | 2017-03-24 | Universidad Rey Juan Carlos | Method implemented by computer, system and computer program product to simulate the behavior of an interwoven fabric at the thread level |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844550A (en) * | 2006-01-26 | 2006-10-11 | 香港理工大学 | Double-side scanning fabric and yarn analysis system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844550A (en) * | 2006-01-26 | 2006-10-11 | 香港理工大学 | Double-side scanning fabric and yarn analysis system |
Non-Patent Citations (1)
| Title |
|---|
| 张克和等.针织物结构研究与计算机仿真.《浙江理工大学学报》.2006,第23卷(第1期), * |
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