CN115858613B - Wind power data display method and system based on time sequence information - Google Patents
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Abstract
The application belongs to the technical field of new energy, and relates to a wind power data display method, a system and a readable medium based on time sequence information, which comprise the following steps: selecting a time interval and a data measuring point column of a database, extracting according to a table structure, and generating a scatter diagram; setting the visual contrast colors of a starting point and a termination point in advance, gradually interpolating to calculate the color value of each point, and highlighting in a scatter diagram; generating a color feedback control bar representing time sequence according to the principle that single-step data display the same color value; the position of the cursor on the color feedback control bar is controlled, and wind power data dynamic interactive retrieval of time sequence information is realized; all dynamic interactive search results can be highlighted in the scatter diagram, and finally, the dynamic evolution process display of the data along with time is realized.
Description
Technical Field
The application relates to a wind power data display method, a system and a readable medium based on time sequence information, and belongs to the technical field of new energy data acquisition anomaly analysis.
Background
The wind power generation industry develops rapidly, and the difficulty of operation, management and maintenance of wind power equipment is continuously increased along with the development trend of installation scale and unit enlargement. To realize good operation and management of wind power equipment, corresponding state analysis and management of the wind power equipment are required. The wind power equipment comprises: the system comprises an impeller system, a pitch system, a transmission chain system, a generator system, a converter system, a braking system, a wind measuring system, a yaw system, a main control system and a communication system, wherein a plurality of factors such as a unit state, an external wind condition, a power grid state, a blade pitch angle, an impeller rotating speed and the like are coupled in the running and control process of a fan, and the system is a multi-factor coupled complex control system. In the data analysis process, data with different dimensions are often subjected to combined analysis, and the traditional combined chart display method is difficult to embody the change rule of the state of the equipment along with time in the operation process.
Disclosure of Invention
In view of the above problems, the present application aims to provide a wind power data display method, system and readable medium based on time sequence information, which focuses on data analysis of wind power equipment, realizes deep combination of state data information and time sequence information, switches running states of analysis equipment in time, analyzes key boundary states of abnormal states or good and bad states of the equipment, intuitively displays a process of evolving a two-dimensional scatter diagram along time from a time perspective, and improves the effect of data analysis.
In order to achieve the above purpose, the present application proposes the following technical solutions: a wind power data display method based on time sequence information comprises the following steps: generating a scatter diagram according to the database; calculating a color value of each time point in the scatter diagram to generate a color feedback control bar; and controlling the position of the cursor on the color feedback control bar to realize the wind power data dynamic interactive retrieval of time sequence information.
Further, the database comprises a time dimension, a data row and a data column, wherein each data row represents time information at the same time and each data value; each of the data columns represents a different value for the same data category at a different point in time.
Further, visual contrast colors of a start point and an end point are preset in the scatter diagram.
Further, the color value of each point is calculated by interpolation step by step based on the visual contrast colors of the start point and the end point, and highlighting is performed in the scatter diagram.
Further, the single step data of the color feedback control bar displays the same color value.
Further, the position of the cursor on the color feedback control bar is controlled, the color value of the position is identified, and the corresponding time increment step number is reversely pushed; and controlling the position of the cursor in the color feedback control bar by dragging the cursor, wherein the retrieved data can be highlighted in the scatter diagram, and finally, the dynamic evolution process display of the data along with time is realized.
The application also discloses a wind power data display system based on time sequence information, which comprises: the scatter diagram generation module is used for generating a scatter diagram according to the database; the control strip generating module is used for calculating the color value of each time point in the scatter diagram and generating a color feedback control strip; and the query module is used for controlling the position of the cursor on the color feedback control bar and realizing the wind power data dynamic interactive retrieval of time sequence information.
Further, visual contrast colors of a start point and an end point are preset in the scatter diagram.
Further, the position of the cursor on the color feedback control bar is controlled, the color value of the position is identified, and the corresponding time increment step number is reversely pushed;
and controlling the position of the cursor in the color feedback control bar by dragging the cursor, wherein the retrieved data can be highlighted in the scatter diagram, and finally, the dynamic evolution process display of the data along with time is realized.
The application also discloses a computer readable storage medium, wherein the computer readable storage medium is stored with a computer program, and the computer program is executed by a processor to realize the wind power data display method based on the time sequence information.
Due to the adoption of the technical scheme, the application has the following advantages: the method focuses on the data analysis of the wind power equipment, realizes the deep combination of state data information and time sequence information, further can analyze the switching of the running state of the equipment in time, analyzes the key boundary state of the abnormal or good and bad state of the equipment, intuitively displays the process of the evolution of the two-dimensional scatter diagram in time from the view angle of time, and improves the effect of data analysis.
Drawings
FIG. 1 is a flowchart of a method for displaying wind power data based on time sequence information according to an embodiment of the present application;
fig. 2 is a diagram of data patterns of 4 devices corresponding to different data columns extracted on the x-axis and the y-axis, and the diagrams (a), (b), (c) and (d) are respectively 1, 2, 3 and 4 data relationships according to an embodiment of the present application. Wherein the x-axis of the 1 st relation graph is wind speed, and the y-axis is generated power; the 2 nd x-axis is wind speed, and the y-axis is main shaft rotation speed; the 3 rd x-axis is wind speed, and the y-axis is beta coefficient; the 4 th x-axis is the main shaft rotation speed, and the y-axis is the generated power.
FIG. 3 is a scatter plot generated from two sets of data columns in one embodiment of the application;
FIG. 4 is a schematic diagram of the data points covered by a single time increment step and the total number of steps in time increment in an embodiment of the application;
FIG. 5 is a schematic diagram of data points for selecting a time starting point in an embodiment of the application;
FIG. 6 is a schematic diagram of a color feedback control bar generated by completing all time step data point identification in one embodiment of the present application;
FIG. 7 is a diagram showing an example of a function of time information in an embodiment of the present application, wherein a large circle is data of a corresponding time dynamically identified, a small circle is a cursor position, and a position of a floating specific color data point in the large circle moves along with a change of time information corresponding to the position of the small circle in a control bar.
Detailed Description
The application is depicted in detail by specific examples in order to provide a better understanding of the technical solution of the application to those skilled in the art. It should be understood, however, that the detailed description is presented only to provide a better understanding of the application, and should not be taken to limit the application. In the description of the present application, it is to be understood that the terminology used is for the purpose of description only and is not to be interpreted as indicating or implying relative importance.
In order to solve the problem that the traditional combined chart display method is difficult to embody the change rule of the running state of the equipment along with time in the data combined analysis process, the application provides a wind power data display method, a system and a readable medium based on time sequence information, which focus on the data analysis of wind power equipment, realize the deep combination of state data information and time sequence information, further analyze the switching of the running state of the equipment along with time, analyze the key boundary state of the abnormal or good and bad state of the equipment, intuitively display the process of the evolution of a two-dimensional scatter diagram along with time from the view of time, and improve the effect of data analysis. In the application, the related state data information comprises, but is not limited to, operation record data, control data, wave recording data and the like of the wind power equipment; the running states of the related equipment include, but are not limited to, normal power generation states, abnormal power generation performance states, abnormal fan control states, abnormal fan damage states and the like. The following describes the application in detail by way of examples with reference to the accompanying drawings.
Example 1
The application discloses a wind power data display method based on time sequence information, which is shown in figure 1 and comprises the following steps:
s1, selecting data in a specified time interval from a database, selecting two related data measuring point columns, and generating a scatter diagram;
the received data table of the database comprises a time dimension and a plurality of equipment state dimensions; each data row represents time information and various data values at the same time, and each data column represents different values of the same data class at different time points. Wherein the first row is all data of a time starting point of the received data, the first column is all time data of a time data column, and data time intervals between adjacent rows are the same. The time interval t in the present embodiment is 5 minutes, but is not limited thereto.
The data time interval needing to be analyzed and covered in the received data table of the database, and the starting point T of the time is selected start And end point T finish And generating a corresponding time interval, and taking out the data in the time interval. The original wind turbine running data table is shown in table 1.
Table 1 original wind turbine operation data sheet
According to the requirement of equipment state analysis, selecting two related data columns D (T, i) and D (T, j) to be analyzed from the data in the appointed time interval, wherein D (T, i) is the data in the ith column at the time T moment, and D (T, j) is the data in the jth column at the time T moment; a scatter diagram is generated by combining time data columns with D (T, i) as x-axis data and D (T, j) as y-axis data. The x-axis and y-axis extract the corresponding device data morphology map of the different data columns as shown in fig. 2. The generated scatter plot is shown in fig. 3.
Table 2 x-axis and y-axis data tables
| Time information T | X-axis | Y-axis | |||||
| Time data | WindSpeed | PIAvg_32 | PPSum | PQSum | PVNet | ... | |
| ... | ... | ... | ... | ... | ... | ... | |
| 2020/4/1 0:00 | 7.79417753 | 701.77576 | 851.4303 | 5.318258 | 694 | ... | |
| 2020/4/1 0:05 | 7.8664017 | 656.2276 | 794.968 | 6.2884817 | 694 | ... | |
| 2020/4/1 0:10 | 7.5967745 | 568.3031 | 686.8795 | 5.260572 | 694 | ... | |
| 2020/4/1 0:15 | 7.176506 | 483.81757 | 583.982 | 3.9669483 | 694 | ... | |
| 2020/4/1 0:20 | 6.945741 | 453.725 | 548.17053 | 3.9795213 | 694 | ... | |
| 2020/4/1 0:25 | 6.4875817 | 369.35104 | 446.13925 | 2.5157983 | 694 | ... | |
| T0 | 2020/4/1 0:30 | 5.955414 | 318.2192 | 384.08105 | 2.5628176 | 694 | ... |
| T1 | 2020/4/1 0:35 | 6.1152825 | 332.23672 | 400.3864 | 3.6316283 | 694 | ... |
| T2 | 2020/4/1 0:40 | 6.3853545 | 367.0247 | 442.54193 | 2.726379 | 694 | ... |
| T3 | 2020/4/1 0:45 | 6.307791 | 338.20013 | 407.5823 | 2.1172507 | 694 | ... |
| T4 | 2020/4/1 0:50 | 5.9041295 | 297.03424 | 357.5513 | 2.3683593 | 694 | ... |
| T5 | 2020/4/1 0:55 | 5.195152 | 181.24232 | 216.56647 | 0.002872282 | 694 | ... |
| T6 | 2020/4/1 1:00 | 4.301048 | 105.42688 | 123.3792 | -1.1786507 | 694 | ... |
| T7 | 2020/4/1 1:05 | 3.8384902 | 72.66848 | 82.58888 | -0.98414326 | 694 | ... |
| T8 | 2020/4/1 1:10 | 3.5224354 | 58.91432 | 64.52118 | -1.8146894 | 694 | ... |
| T9 | 2020/4/1 1:15 | 4.2687206 | 89.03431 | 103.207985 | 0.16631405 | 694 | ... |
| T10 | 2020/4/1 1:20 | 4.5705233 | 121.93616 | 143.95139 | 2.1661646 | 694 | ... |
| T11 | 2020/4/1 1:25 | 4.113455 | 103.55688 | 121.02472 | 1.1155103 | 694 | ... |
| T12 | 2020/4/1 1:30 | 3.9244106 | 90.72432 | 105.23277 | 0.7951162 | 694 | ... |
| T13 | 2020/4/1 1:35 | 3.1377286 | 47.00843 | 47.356876 | -0.5785438 | 694 | ... |
| T14 | 2020/4/1 1:40 | 2.3293433 | 18.550117 | -2.391044 | -4.9596562 | 694 | ... |
| T15 | 2020/4/1 1:45 | 2.4549987 | 3.6592655 | -2.145356 | -3.8904839 | 694 | ... |
| ... | ... | ... | ... | ... | ... | ... | ... |
S2: selecting the number m of data points covered by a single time increment step length and the total time increment step length n;
as shown in fig. 4, the number m of data points covered by a single time increment step is set, and the total time corresponding to the corresponding single time increment step is t×m; setting a total step number n of time increment, wherein the total time length represented by the data corresponding to the current selection is as follows: t×m×n.
S3: selecting a starting data point based on the scatter diagram, calculating a termination time point through m and n, and setting color values of the starting point and the termination point;
as shown in fig. 5, when a cursor is controlled to float on a certain data point on the two-dimensional scatter diagram, three data values (x, y, time) corresponding to the data point are displayed; moving the cursor to click the point on the desired data point as a time start point (the point corresponds to the initial time T 0 ) The color of the starting point is set as CT 0 (R 0 ,G 0 ,B 0 )(R 0 ,G 0 ,B 0 Respectively corresponding to red, green and blue color components for the preset starting point colors; according to the time starting point T 0 And analyzing the total time t×m×n (m is the number of data points covered by a single time increment step, n is the total time increment step, and T is the time interval of the data), and calculating the termination time point T last ＝T 0 +t×m×n, the corresponding color is set as CT last (R last ，G last ，B last ) And time start point color CT 0 (R 0 ，G 0 ，B 0 ) And last time point color CT last (R last ,G last ,B last ) For a preset visual contrast color.
S4: gradually increasing and calculating the color value of each time point according to the time sequence, rendering and displaying, and finally generating a color feedback control bar representing the time sequence of the data;
gradually increasing and calculating the color value of each time point and the data point identification according to the time sequence:
C T1 ＝.....＝C Tm ＝(R 1 ,G 1 ,B 1 )
C T(m+1) ＝.....＝C Tm*2 ＝(R 2 ,G 2 ,B 2 )
......
C Tm*(n-1)+1 ＝.....＝C Tm*n ＝(R last ,G las ,B last )
the specific method comprises the following steps: the number of data points in each batch of single step time increment is m, and the data point of the a single step identifies the color CT a (R a ,G a ,B a ) Color CT can be started through preset time 0 (R 0 ,G 0 ,B 0 ) With end point color CT last (R last ,G last ,B last ) Interpolation calculation is carried out, and the specific calculation formula of the color value is as follows:
wherein R is a Is the red component value of the a single step, G a Is the green component value of the a single step, B a Is the blue component value of the a single step.
After finishing single-step color value calculation according to the time sequence, rendering and displaying in the scatter diagram;
the method for generating the color feedback control bar representing the time sequence of the data comprises the following steps: and generating a color feedback control bar according to the data time sequence according to the principle that each single step of data displays the same color value.
S5: the position of the cursor on the color feedback control bar is controlled, so that dynamic interactive retrieval of data is realized, and finally, the display of dynamic evolution process of the data along with time is realized;
the application can realize the dynamic exchange of data by controlling the position of the cursor on the color feedback control barThe method for mutual search comprises the following steps: by identifying the colour value CT of the location i (R i ,G i ,B i ) The corresponding time increment step number i is reversely pushed:
and then the corresponding time range (T) 0 +t×(m-1)×i,T 0 +t×m×i)。
Further, if a section of the color feedback control bar is selected instead of a point by the control cursor, the start points CT of the section are respectively identified s (R s ,G s ,B s ) And end point CT e (R e ,G e ,B e ) And then reversely pushing the corresponding time increment step numbers s and e, and further searching the corresponding time range (T 0 +t×(s-1)×i,T 0 +t×e×i)。
FIG. 7 is a diagram showing a functional example of time information in the present embodiment, wherein a large circle is data of corresponding time dynamically identified and a small circle is a cursor position; the position of the floating specific color data point in the large circle will move with the change of the time information corresponding to the position of the small circle on the control bar. The position of the cursor on the color feedback control bar is controlled, so that time data corresponding to the position of the color feedback bar where the cursor is positioned can be queried in real time, and suspension specific color display is performed according to the corresponding data set; finally, along with the movement of the cursor, the data group corresponding to the time highlights the time information of the data according to the forward direction or reverse direction of the time by dynamic interactive retrieval of the data according to the movement direction of the cursor, and finally, the dynamic evolution process display of the data along with the time is realized.
The method focuses on the data analysis of the wind power equipment, realizes the deep combination of state data information and time sequence information, further can analyze the switching of the running state of the equipment in time, analyzes the key boundary state of the abnormal state or the good and bad state of the equipment, intuitively displays the time evolution process of the two-dimensional scatter diagram from the time perspective, and improves the effect of data analysis.
Example two
Based on the same inventive concept, the embodiment discloses a wind power data display system based on time sequence information, comprising:
the scatter diagram generation module is used for generating a scatter diagram according to the database;
the control strip generating module is used for calculating the color value of each time point in the scatter diagram and generating a color feedback control strip;
and the query module is used for controlling the position of the cursor on the color feedback control bar and realizing the wind power data dynamic interactive retrieval of time sequence information.
Example III
Based on the same inventive concept, the present embodiment discloses a computer readable storage medium, on which a computer program is stored, the computer program being executed by a processor to implement the above-mentioned wind power data display method based on time sequence information
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the application without departing from the spirit and scope of the application, which is intended to be covered by the claims. The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily appreciate variations or alternatives within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (8)
1. The wind power data display method based on the time sequence information is characterized by comprising the following steps of:
generating a scatter diagram according to the database;
according to the requirement of equipment state analysis, selecting two related data columns D (T, i) and D (T, j) to be analyzed from data in a designated time interval, wherein D (T, i) is data in an ith column at the time T moment, and D (T, j) is data in a jth column at the time T moment; generating a scatter diagram by combining time data columns with D (T, i) as x-axis data and D (T, j) as y-axis data;
calculating a color value of each time point in the scatter diagram to generate a color feedback control bar;
the specific calculation formula of the color value is as follows:
wherein R is a Is the red component value of the a single step, G a Is the green component value of the a single step, B a Is the blue component value of the a single step, R 0 A red component value as a starting point, G 0 Green component value, B, being the starting point 0 A is a blue component value of a starting point, a is a single step number, n is a total time increment step number, R last Is the red component value of the end point, G last Is the green component value of the end point, B last Is the blue component value of the termination point,
the position of the cursor on the color feedback control bar is controlled, and wind power data dynamic interactive retrieval of time sequence information is realized;
the position of the cursor on the color feedback control bar is controlled to realize the identification of the color value of the position, and the corresponding time increment step number is reversely pushed;
the position of the cursor in the color feedback control bar is controlled by dragging the cursor, the retrieved data is highlighted in the scatter diagram, and finally, the dynamic evolution process display of the data along with time is realized;
if a section of the color feedback control bar is selected instead of a point by the control cursor, the starting points CT of the sections are respectively identified s And end point CT e And then reversely pushing the starting point CT s And end point CT e Corresponding time increment step number, corresponding time range (T 0 +t×(s-1)×i,T 0 +t×e×i)，T 0 Is the initial time, t is the time interval of the data, s is the time increment step number of the starting point, e is the time increment step number of the ending point, and i is the time increment step number.
2. The method for displaying wind power data based on time sequence information according to claim 1, wherein the database comprises a time dimension, a data row and a data column, and each data row represents time information and each class of data value at the same time; each of the data columns represents a different value for the same data category at a different point in time.
3. The method for displaying wind power data based on time sequence information according to claim 2, wherein visual contrast colors of a start point and an end point are preset in the scatter diagram.
4. A wind power data display method based on time series information as claimed in claim 3, wherein the color value of each point is calculated by interpolation step by step based on the visual contrast colors of the start point and the end point, and highlighted in the scatter diagram.
5. The method for displaying wind power data based on time sequence information according to claim 1, wherein the single step data of the color feedback control bar displays the same color value.
6. A wind power data display system based on time sequence information, comprising:
the scatter diagram generation module is used for generating a scatter diagram according to the database;
according to the requirement of equipment state analysis, selecting two related data columns D (T, i) and D (T, j) to be analyzed from data in a designated time interval, wherein D (T, i) is data in an ith column at the time T moment, and D (T, j) is data in a jth column at the time T moment; generating a scatter diagram by combining time data columns with D (T, i) as x-axis data and D (T, j) as y-axis data;
the control strip generating module is used for calculating the color value of each time point in the scatter diagram and generating a color feedback control strip;
the specific calculation formula of the color value is as follows:
wherein R is a Is the red component value of the a single step, G a Is the green component value of the a single step, B a Is the blue component value of the a single step, R 0 A red component value as a starting point, G 0 Green component value, B, being the starting point 0 A is a blue component value of a starting point, a is a single step number, n is a total time increment step number, R last Is the red component value of the end point, G last Is the green component value of the end point, B last A blue component value that is the termination point;
the query module is used for controlling the position of the cursor on the color feedback control bar and realizing the wind power data dynamic interactive retrieval of time sequence information;
the position of the cursor on the color feedback control bar is controlled to realize the identification of the color value of the position, and the corresponding time increment step number is reversely pushed;
the position of the cursor in the color feedback control bar is controlled by dragging the cursor, the retrieved data is highlighted in the scatter diagram, and finally, the dynamic evolution process display of the data along with time is realized;
if a section of the color feedback control bar is selected instead of a point by the control cursor, the starting points CT of the sections are respectively identified s And end point CT e And then reversely pushing the starting point CT s And end point CT e Corresponding time increment step number, corresponding time range (T 0 +t×(s-1)×i,T 0 +t×e×i)，T 0 Is the initial time, t is the time interval of the data, s is the time increment step number of the starting point, e is the time increment step number of the ending point, and i is the time increment step number.
7. The wind power data display system based on time series information of claim 6, wherein a visual contrast ratio of a start point and an end point is preset in the scatter plot.
8. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, the computer program being executed by a processor to implement the chronological information-based wind power data display method according to any one of claims 1 to 5.
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| CN112686982A (en) * | 2020-12-31 | 2021-04-20 | 山东师范大学 | VBA-based multi-dimensional data scatter diagram generation method and system |
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