CN102591967B - Method and device for displaying industrial real-time data - Google Patents
Method and device for displaying industrial real-time data Download PDFInfo
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- CN102591967B CN102591967B CN 201110459282 CN201110459282A CN102591967B CN 102591967 B CN102591967 B CN 102591967B CN 201110459282 CN201110459282 CN 201110459282 CN 201110459282 A CN201110459282 A CN 201110459282A CN 102591967 B CN102591967 B CN 102591967B
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Abstract
The invention relates to a method and a device for displaying industrial real-time data. The method comprises the following steps of dimension shrinkage projection: selecting a plurality of granularity N, and recording granularity data corresponding to each granularity N in sequence, wherein the granularity data are characteristic values of every N data in the industrial real-time data to be displayed; and data displaying: obtaining data volume corresponding to the width of a pixel along a timer shaft in an area to be displayed, determining the granularity N identical or most close to the data volume, and displaying the granularity data corresponding to the granularity N and recorded in the dimension shrinkage projection step in the area to be displayed. By means of the method and the device for displaying the industrial real-time data, data displaying speed can be remarkably increased.
Description
Technical field
The invention belongs to the industrial automation technical field, particularly a kind of industrial real time data display packing and device.
Background technology
Extensively there are processes such as collection to real time data, storage, analysis, use in industrial circle, and these data are usually all according to certain sampling rate continuous acquisition, and preserves in the storage medium.Fig. 1 shows the synoptic diagram of an industrial real time data.Different industrial circles is different to the requirement of data precision and dynamic response, and is also different to the requirement of sampling rate.High sampling rate means to be needed in the identical time to gather, the storage more data, even and the sampling rate difference, the long-time continuous collection also can produce lot of data.For example, following table has been listed the single sampled signal data volume that continuous acquisition will produce in 1 year under common sample frequency.
A lot of industrial processs require real time data is carried out long preservation, are used for inquiry, analysis, optimization etc., but too huge data volume then can be brought very big difficulty for above-mentioned work.Therefore how a large amount of historical real time datas being retrieved fast, inquired about and show fast is to handling an importance of industrial real time data.
The method that shows magnanimity industry real time data in the prior art is not considered, there are some restrictions in the amount of pixels of the processing speed of industry real time data processing and the viewing area of display device, thereby cause real time data demonstration or retrieval rate slower, influenced usability.
Summary of the invention
The present invention is directed to the above-mentioned defective of prior art, a kind of fast display method for the magnanimity real time data and sole duty are provided, when it can significantly improve the super large data volume data are carried out the speed that trend shows and analyzes.
Technical scheme of the present invention is, a kind of industrial real time data display packing, and industrial real time data sequence to be shown is designated as { x
i,
I=1,2 ..., k, k is a positive integer, may further comprise the steps:
A1 selects positive integer granularity N, obtains data sequence { a
j, j is a positive integer, wherein
a
j＝[x
(j-1)·N+1，x
(j-1)·N+2，...，x
j·N]，j＝1，2，…，m-1，
Here, m is the last bracket function value of k/N,
When j=m, a
m=[x
(m-1) N+1, x
(m-1) N+2..., x
k];
A2 calculates a
jThe eigenwert b of data sequence
j
A3 selects a plurality of granularity N, and repeating step A1～A2 obtains and the many groups of record granularity data sequence { b
j, that is, realize the contracting dimension projection to industrial real time data to be shown;
A4, obtain pixel in the zone to be shown along the corresponding data volume of the width of time shaft, determine the granularity N that equates or approach the most with it with this data volume, and be presented at the granularity data sequence { b corresponding with described granularity N that described contracting dimension records in throwing in this zone to be shown
j.
Further, before described steps A 1, to industrial real time data { x to be shown
iCarry out level and smooth pre-service.
Further, described eigenwert b
jBe a
jThe maximal value of all data, minimum value, mean value or intermediate value in the data sequence.
A kind of industrial real time data display device, described data presentation device comprises:
Contracting dimension projection module, this contracting dimension projection module is selected a plurality of granularity N, sequentially the record granularity data sequence { b corresponding with each granularity N
j, and
Data disaply moudle, this data disaply moudle obtains pixel in the zone to be shown along the corresponding data volume of the width of time shaft, definite granularity N that equates with this data volume or approach the most with it, and at this regional granularity data sequence { b corresponding with granularity N that shows that described contracting dimension projection module records to be shown
j,
Granularity data sequence { b
jThe step that obtains be:
B1 is designated as { x with industrial real time data sequence to be shown
i, i=1,2 ..., k, k are a positive integer;
B2 selects positive integer granularity N, obtains data sequence { a
j, j is a positive integer, wherein
a
j＝[x
(j-1)·N+1，x
(j-1)·N+2，...，x
j·N]，j＝1，2，…，m-1，
Here, m is the last bracket function value of k/N,
When j=m, a
m=[x
(m-1) N+1, x
(m-1) N+2..., x
k];
B3 calculates a
jThe eigenwert b of data sequence
j
B4 selects a plurality of granularity N, and repeating step B2～B3 obtains and the many groups of record granularity data sequence { b
j, that is, realize the contracting dimension projection to industrial real time data to be shown.
Further, described eigenwert b
jBe a
jThe maximal value of all data, minimum value, mean value or intermediate value in the data sequence.
Further, this data presentation device also comprises data preprocessing module, and this data preprocessing module is carried out level and smooth pre-service to industrial real time data to be shown.
A first aspect of the present invention provides a kind of industrial real time data display packing, wherein, this method comprises the steps: the projection of contracting dimension: select a plurality of granularity N, the record granularity data corresponding with each granularity N sequentially, described granularity data are the eigenwerts of every N data in the industrial real time data to be shown; And data show, obtain pixel in the zone to be shown along the corresponding data volume of the width of time shaft, determine the granularity N that equates or approach the most with it with this data volume, and be presented at described contracting in this zone to be shown and tie up and throw the granularity data corresponding with described granularity N that records in the step.This granularity data that industrial real time data display packing is pre-recorded or storage is corresponding with different grain size on the one hand according to the present invention, transfer according to the pixel quantity in zone to be shown then and show corresponding granularity data, can improve demonstration or the retrieval rate of magnanimity industry real time data significantly, guarantee to show the little amplitude distortion of image simultaneously.
A second aspect of the present invention provides a kind of industrial real time data display device, wherein, described data presentation device comprises: contracting dimension projection module, this contracting dimension projection module is selected a plurality of granularity N, the record granularity data corresponding with each granularity N sequentially, described granularity data are the eigenwerts of every N data in the industrial real time data to be shown; And data disaply moudle, this data disaply moudle obtains pixel in the zone to be shown along the corresponding data volume of the width of time shaft, definite granularity N that equates with this data volume or approach the most with it, and at this regional granularity data corresponding with granularity N that shows that described contracting dimension projection module records to be shown.This industrial real time data display device has on the one hand realized the industrial real time data display packing according to third aspect present invention according to the present invention, can improve demonstration or the retrieval rate of magnanimity industry real time data significantly, guarantee to show the little amplitude distortion of image simultaneously.
Description of drawings
Only in the mode of example the present invention is described below with reference to accompanying drawings, in the accompanying drawing:
Fig. 1 is the synoptic diagram of industrial real time data.
Fig. 2 is the synoptic diagram of industrial real time data curve and actual displayed curve.
Fig. 3 is the synoptic diagram according to contracting dimension of the present invention projection.
Fig. 4 is the synoptic diagram according to the industrial real time data display device of an embodiment of the invention.
Embodiment
Followingly describe in detail according to the embodiment of the present invention with reference to accompanying drawing.It is pointed out that just signal of accompanying drawing, its objective is for better explanation the present invention, and be not construed as limiting the invention.
Curve among Fig. 2 shows the interior industrial real time data of time period from t (n) to t (n+1).When showing the industrial real time data of this section in the viewing area, if the width of the pixel in the viewing area on time shaft is equal to or less than t (n+1)-t (n), then result displayed is shown in the straight line among the figure.In other words, under these circumstances, the details of the industrial real time data of this section can't obtain showing.Therefore, essence of the present invention is exactly the characteristic that shows industrial real time data to be shown according to the width of pixel on time-axis direction in zone to be shown.
In according to embodiments of the invention 1, in order to show the industrial real time data of magnanimity rapidly in zone to be shown, at first determine the data to be displayed of the pixel cell width correspondence in time in the zone to be shown.For example as shown in Figure 3, solid line is wherein represented industrial real time data to be shown; And a pixel cell in the zone to be shown is in corresponding 5 data of width of time shaft.Calculate and record the eigenwert of corresponding 5 data of each pixel cell then, for example its maximal value, minimum value, mean value or intermediate value are as showing data.
Next, can be presented at the demonstration data that record in the previous step in zone to be shown.As shown in Figure 3, circle is wherein represented the intermediate value of 5 data of each pixel cell correspondence.Owing to only be about 1/5th of legacy data amount in regional data presented amount to be shown, thereby can significantly improve display speed.And, owing to adopt eigenwert to show in the method according to the invention, thus when improving display speed greatly, can also guarantee the variation tendency of data to be displayed.
In order to realize above-mentioned display method, industrial real time data display device according to the present invention comprises contracting dimension projection module and data disaply moudle.Each pixel fragment in this at first definite zone to be shown of contracting dimension projection module is far along the corresponding data to be displayed of the width of time shaft, and the eigenwert of technology and the described band demonstration of record data is as showing data; This data disaply moudle shows that in the pixel space in zone to be shown this contracting dimension projection module is determined and the demonstration data of record.For the real time data of magnanimity, so industrial real time data display device can show industrial real time data on the one hand fast, and shows the variation tendency of industrial real time data as much as possible.
Industrial real time data display packing according to the present invention also can combine with data preprocessing method.For example, before dimension projection that industrial real time data to be shown is contracted, can go pre-service such as hop, smooth and/or addendum to it.Under these circumstances, industrial real time data display device according to the present invention also comprises data preprocessing module, as shown in Figure 4.
In practice, might show same section industrial real time data in different zones to be shown, these zones to be shown have the pixel cell of varying number at time shaft, that is to say that the pixel cell in these zones to be shown is different along the corresponding data volume of the width of time shaft.Under these circumstances, in order to improve display speed, can carry out storage and the demonstration of branch granularity to industrial real time data to be shown.
Particularly, in the industrial real time data display packing according to this embodiment of the present invention, at first select a plurality of granularity N; Record the granularity data corresponding with each granularity N then, namely record the eigenwert of every N data in the industrial real time data to be shown.Then, in step display, obtain the pixel in zone to be shown along the corresponding data volume of the width of time shaft; And definite granularity N that equates with this data volume or approach the most with it, like this, just can show the granularity data corresponding with granularity N in zone to be shown.
For example, can select granularity N=2,4,8,16.Then in contracting dimension projection step, sequentially record or store per 2, per 4, the eigenwert of per 8 and per 16 industrial real time datas to be shown respectively, as granularity data.What those of ordinary skills can expect is, under the industrial real time data to be shown situation that in the end data volume in interval is not enough N, can record or store the eigenwert of the data in this interval.
In data displaying, determine that pixel cell in the zone to be shown is along the corresponding data volume of the width of time shaft.For example, the width of the pixel cell in zone to be shown on time shaft be corresponding to 5 data, then transfers the granularity data corresponding with granularity 4, and show in this zone to be shown.If the width of the pixel cell in zone to be shown on time shaft, then transferred the granularity data corresponding with granularity 8 corresponding to 8 data, and show in this zone to be shown.What those of ordinary skills can expect is,, can transfer the granularity data corresponding with granularity 8 or 4 and be shown under the situation of the width on the time shaft corresponding to 6 data at the pixel cell in zone to be shown.
Comprise contracting dimension projection module according to the industrial real time data display device of present embodiment, it selects a plurality of granularity N, and the eigenwert that sequentially records or store every N industrial real time data is as granularity data; And this display device also comprises data disaply moudle, it obtains pixel in the zone to be shown along the corresponding data volume of the width of time shaft, definite granularity N that equates with this data volume or approach the most with it, and at this regional granularity data corresponding with granularity N that shows that described contracting dimension projection module records to be shown.
Data volume is more many, and method of the present invention is more remarkable to the raising of display speed.Compare with the display speed of classic method, for 100,000 data, the display speed of the inventive method can improve about 10 times; For 100,000 to 1,000,000 data, the display speed of the inventive method can improve about 50 times; For the data more than 1,000,000, the display speed of the inventive method can improve about 200 times.
There is other embodiment in the present invention.Although above explanation comprises a plurality of special characteristics, these should not be considered to be limitation of the scope of the invention, but should only be considered as the explanation to current preferred implementations more of the present invention.What also can expect is, can carry out various combinations or substitutes the special characteristic of these embodiments and aspect, and this still falls into scope of the present invention.It should be understood that and can each feature of disclosed embodiment be made up with the aspect or trans-substitution mutually, thereby form the different mode of disclosed invention.Therefore, above-mentioned disclosed embodiment will can not limit scope of the present invention disclosed herein.
For example, in the method according to this invention and device, adopt the pixel in the zone to be shown to be shown as eigenwert along maximal value, minimum value, mean value or the intermediate value of the corresponding some data to be displayed of width of time shaft, but the invention is not restricted to this.Those of ordinary skills can adopt any suitable value as eigenwert.
For example, in the method according to this invention and device, those of ordinary skills can choose any suitable data granularity.For example, if selected data granularity corresponding to per hour, the data acquisition amount of every day or every month, then can show the variation tendency of industrial real time data on corresponding time scale rapidly.
Claims (6)
1. industrial real time data display packing, industrial real time data sequence to be shown is designated as { x
i,
I=1,2 ..., k, k is a positive integer, it is characterized in that, may further comprise the steps:
A1 selects positive integer granularity N, obtains data sequence { a
j, j is a positive integer, wherein
a
j＝[x
(j-1)·N+1，x
(j-1)·N+2，...，x
j·N]，j＝1，2，…，m-1，
Here, m is the last bracket function value of k/N,
When j=m, a
m=[x
(m-1) N+1, x
(m-1) N+2..., x
k];
A2 calculates and record data sequence a
jEigenwert b
j
A3 selects a plurality of granularity N, and repeating step A1～A2 namely, realizes the contracting dimension projection to industrial real time data to be shown;
A4, obtain pixel in the zone to be shown along the corresponding data volume of the width of time shaft, determine the granularity N that equates or approach the most with it with this data volume, and be presented at the granularity data sequence { b corresponding with described granularity N that described contracting dimension records in throwing in this zone to be shown
j.
2. industrial real time data display packing according to claim 1 is characterized in that, before described steps A 1, to industrial real time data { x to be shown
iCarry out level and smooth pre-service.
3. industrial real time data display packing according to claim 1 is characterized in that described eigenwert b
jBe a
jThe maximal value of all data, minimum value, mean value or intermediate value in the data sequence.
4. industrial real time data display device is characterized in that described data presentation device comprises:
Contracting dimension projection module, this contracting dimension projection module is selected a plurality of granularity N, sequentially the record granularity data sequence { b corresponding with each granularity N
j, and
Data disaply moudle, this data disaply moudle obtains pixel in the zone to be shown along the corresponding data volume of the width of time shaft, definite granularity N that equates with this data volume or approach the most with it, and at this regional granularity data sequence { b corresponding with granularity N that shows that described contracting dimension projection module records to be shown
j,
Wherein, granularity data sequence { b
jThe step that obtains be:
B1 is designated as { x with industrial real time data sequence to be shown
i, i=1,2 ..., k, k are a positive integer;
B2 selects positive integer granularity N, obtains data sequence { a
j, j is a positive integer, wherein
a
j＝[x
(j-1)·N+1，x
(j-1)·N+2，...，x
j·N]，j＝1，2，…，m-1，
Here, m is the last bracket function value of k/N,
When j=m, a
m=[x
(m-1) N+1, x
(m-1) N+2..., x
k];
B3 calculates a
jThe eigenwert b of data sequence
j
B4 selects a plurality of granularity N, and repeating step B2～B3 obtains and the many groups of record granularity data sequence { b
j, that is, realize the contracting dimension projection to industrial real time data to be shown.
5. industrial real time data display device according to claim 4 is characterized in that described eigenwert b
jBe a
jThe maximal value of all data, minimum value, mean value or intermediate value in the data sequence.
6. industrial real time data display device according to claim 4 is characterized in that this data presentation device also comprises data preprocessing module, and this data preprocessing module is carried out level and smooth pre-service to industrial real time data to be shown.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738998A (en) * | 2009-12-10 | 2010-06-16 | 浙江大学 | System and method for monitoring industrial process based on local discriminatory analysis |
| CN101882138A (en) * | 2009-05-07 | 2010-11-10 | 北京四方继保自动化股份有限公司 | Non-programmatic realization method for two-dimensional sheet dynamic expansion |
| CN102072747A (en) * | 2011-01-27 | 2011-05-25 | 华中科技大学 | Thermal parameter field monitoring-based building group energy consumption monitoring system and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882138A (en) * | 2009-05-07 | 2010-11-10 | 北京四方继保自动化股份有限公司 | Non-programmatic realization method for two-dimensional sheet dynamic expansion |
| CN101738998A (en) * | 2009-12-10 | 2010-06-16 | 浙江大学 | System and method for monitoring industrial process based on local discriminatory analysis |
| CN102072747A (en) * | 2011-01-27 | 2011-05-25 | 华中科技大学 | Thermal parameter field monitoring-based building group energy consumption monitoring system and method thereof |
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