CN104361020A - Curve overlapping method based on configuration tool - Google Patents
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- CN104361020A CN104361020A CN201410560081.0A CN201410560081A CN104361020A CN 104361020 A CN104361020 A CN 104361020A CN 201410560081 A CN201410560081 A CN 201410560081A CN 104361020 A CN104361020 A CN 104361020A
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Abstract
The invention discloses a curve overlapping method based on a configuration tool. The curve overlapping method specifically comprises the following steps: (1) deploying a real-time databank server, and verifying the data reasonability of real-time data acquired by an active power acquisition terminal; (2) deploying the configuration tool, establishing connection with the real-time databank, and selecting same-type electrical quantities to be overlapped; (3) writing new point generation rule parameters and value out-of-limit parameters into a configuration file; (4) simulating combined curve generation; (5) displaying combined point values in a data buffer area and values in the databank on a configuration page through the configuration tool. On the basis of real-time data, combined curves are dynamically generated, so that not only is the storage space of the real-time data not occupied, but also theoretical curves are generated according to measured data on the basis of the conventional theoretical knowledge, and visual curve reference is provided for practical operation.
Description
Technical field
The invention belongs to electric power information and automatic field, particularly a kind of curve combining method based on configuration instrument.
Background technology
Increasing automated system is applied in network system, produce every day magnanimity based on seasonal effect in time series real time data, how efficiently to store, inquire about, add up and to show that magnanimity real time data becomes the problem of needs solution rapidly, Real-Time Databases System Technique is invented to solve this problem, and real-time data base has the advantages such as high-throughput, high compression ratio, high search efficiency.
Along with electric power information, improving constantly and the development of computer technology of automatization level, the memory technology level of real-time data base is in continuous improve, it is even higher that the storage rank of current real-time data base has reached PT rank, in actual applications particularly in dispatch automated system, on graph curve exhibition method, be not only that the curve of original value is shown, more that the figures such as the curve after processing raw data are shown, how to select to design the sum concerning measuring point data in real-time data base to the measuring point of configuration instrument (real time data is from database), the data separate configuration instrument end of synthesis calculates and generates and show with curve, thus the measuring point reducing real-time data base takies.Often can relate to addition or other operation rule of some point value in actual applications; as known the size of certain two regional load from database; need to know total size of these two regional Real-time Loads and show with curve; configuration end needs to solve how to utilize the curve that database data with existing analog synthesis is new, and key relates to the On The Choice of data with existing storehouse measuring point and the manifestation mode of matched curve here.
Summary of the invention
The problems referred to above existed are shown for curve in prior art, the invention provides a kind of curve combining method based on configuration instrument, on the basis of foundation real time data, dynamic generation resultant curve, not only do not take real-time data base and store space, and utilize based on existing knowwhy, utilize measured data generative theory curve, for actual motion provides the curve reference of image.
Technical scheme of the present invention is:
Based on a curve combining method for configuration instrument, by the parameter of existing measuring point curve is arranged and limit value the color shows realizing simulation curve is set, specifically comprise the following steps:
Steps A, deployment live database server, set up the measuring point storing real time modelling numerical value, and measure-point amount gathers critical point number by data acquisition end and determines, closes the measuring point data compression function of real-time data base; Carry out data plausibility check to the real time data of active power collection terminal collection, described real time data is with timestamp;
Step B, deployment configuration instrument, the connection of foundation and real-time data base, selects the electric parameters of the same type needing superposition; For a large amount of real time datas continuously in acceptable reasonable change precision, only record starts data and markers thereof and end data and markers thereof;
Step C, in configuration file, write new dot generation parameter of regularity and the out-of-limit parameter of numerical value;
Step D, according to the measured value in real-time data base, by configuration configuration instrument parameter, simulation generates resultant curve; For the Curves compilation of big data quantity, reserve configuration for configuration instrument and generate data buffer area, the intermediate value of generation is stayed the inside;
Synthesis point value in data buffer area and the value in database are illustrated on the configuration page by step e, configuration instrument.
Further, steps A is specially, and during band to Real-time Collection, the electric parameters at target critical point carries out data check according to data check rule, determines different data precisions according to the important level of data, data markers for particular importance is double precision, and all the other are labeled as single precision.
Further, step B is specially, and the rule that real-time data base stores the data of real-time change is change storage, namely for certain electric parameters, when data acquisition end uploads new data by channel, and real-time data base records store data; When collection terminal normal acquisition data, and after normally can collecting database, configuration instrument is installed, configuration instrument is furnished with the Connection Service with real time data, possesses the function of measuring point time and respective value in binding real time data, in the horizontal ordinate that the time of certain measuring point in real time data and value can be mapped to configuration instrument generation coordinate system and ordinate.
Further, step C is specially, and in real-time data base, original measuring point is not mapped in the coordinate in configuration figure with not adding amendment, and being called for short such curve is precision curves, the value in a certain moment in the corresponding real-time data base of each turning point on precision curves; Utilize the curve of many precision curves synthesis referred to as resultant curve, many precision curves are selected on the basis of resultant curve, and determine the initial time of every bar precision curves; According to actual operating state, data variation scope in record difference normal time.
Further, step D is specially, and according to the law generation resultant curve of step C, resultant curve is divided into linear history resultant curve and ladder history resultant curve; History curve is the linear synthesis to history occurrence value, more lately than the real time is no more than 3 seconds.
Further, step e is specially, and the rule generating new point according to configuration instrument editor, generates new curve, upper lower limit value is arranged to newly-generated curve simultaneously, after corresponding point value goes beyond the scope, be shown as another color, utilize the built-in drawing classes of configuration instrument, the size of utilization value retrains the color of drawing classes, whenever the value of certain new point has exceeded the value of setting, from this point, just change the color of lines, until the value of next new point is less than the value of setting.
The invention has the beneficial effects as follows:
The present invention, according on the basis of real time data, dynamically generates resultant curve, does not only take real-time data base and stores space, and utilize based on existing knowwhy, utilize measured data generative theory curve, for actual motion provides the curve reference of image.
Accompanying drawing explanation
Fig. 1 is the new some value schematic diagram of the inventive method.
Fig. 2 is the curve combining method flow schematic diagram based on configuration instrument of the inventive method.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The technical solution used in the present invention mainly comprises four parts: first, carries out data plausibility check to the real time data of active power collection terminal collection, requires that real time data must with timestamp; Secondly, dispose the real-time data collection of real-time data base storage with the electric parameters of timestamp, usually turn-on data storehouse compression function is not advised, the precision of measured value can be lost like this, for a large amount of real time datas continuously in acceptable reasonable change precision, only record starts data and markers thereof and end data and markers thereof; Again, start configuration instrument, the connection of foundation and database, ensure that the inquiry service on configuration instrument can get the value of real-time data base; Finally, according to the measured value in real-time data base, by configuration configuration instrument parameter, simulation generates resultant curve.
The present invention is the configuration drawing practice being applicable to power industry power network schedule automation field actual measurement electric parameters, for to magnanimity with time target electric parameters instantaneous value carry out real-time curve generation and displaying, the method chosen of this new point by the parameter of existing measuring point curve is arranged and some limit values the color shows realizing simulation curve is set.
This technical scheme comprises the steps:
Steps A: first dispose live database server, sets up the measuring point storing real time modelling numerical value, and measure-point amount gathers critical point number by data acquisition end and determines, closes the measuring point data compression function of real-time data base.During band first to Real-time Collection, the electric parameters at target critical point carries out data check (checking data type: the types such as integer, single precision, double precision) according to data check rule, the important level of the data of usual basis determines different data precisions, data markers for particular importance is double precision, and all the other are labeled as single precision.
Step B: dispose configuration instrument, the connection of foundation and real-time data base, select the electric parameters of the same type needing superposition, the data type of so-called finger measuring point of the same type is identical, usually the electric parameters of the same data type of selection, as electric current, voltage etc.The rule that real-time data base stores the data of real-time change is change storage, namely for certain electric parameters, when data acquisition end uploads new data by channel, and real-time data base records store data.The time that measuring points different in usual database is newly worth arrival is not identical, so at point at the same time, but not necessarily there is value in this moment corresponding for different measuring points.When after collection terminal normal acquisition data, and after database can being collected normally, just configuration instrument can be installed, configuration instrument is furnished with the Connection Service with real time data, possesses the function of measuring point time and respective value in binding real time data, in the horizontal ordinate that namely time of certain measuring point in real time data and value can be mapped to configuration instrument generation coordinate system and ordinate.
Step C: write new dot generation parameter of regularity and the out-of-limit parameter of numerical value in configuration file.Can not add in the coordinate being mapped in configuration figure of amendment for measuring point original in real-time data base, being called for short such curve is here precision curves, the value in a certain moment in the corresponding real-time data base of each turning point on this curve; Utilize the curve of many precision curves synthesis to be called for short resultant curve, many precision curves are selected on the basis of resultant curve, and determine the initial time of every bar precision curves.By the observation to on-the-spot electric parameters; the generation of electric parameters is not disorderly and unsystematic; it meets certain rule; when time shaft resolving accuracy is larger; suppose by minute in units of length time; eyeball will come together closely; now from macroscopically; the approximate face figure generated is exactly a strip-chart; strip-chart take time shaft as horizontal ordinate, and measured value is ordinate, that is in any interval on the horizontal scale; his the vertical length of side of a rectangle intercepted has a limited value, and this value usually can in a fixing scope.Major part electric parameters (as electric current, voltage, power etc.) is all consecutive variations, namely be continuous function f (t) of time, under the situation of power grid operation, f (t) can not suddenly change, and the absolute value of its derivative to remain in certain scope and also consecutive variations.According to actual operating state, data variation scope in difference normal time can be recorded, normal time mentioned here is usually in 2 seconds, if time shorter electric parameters rate of change still keeps, but change will be very little, can not be very large, therefore can think when in 0.5 after this electric parameters changes second, data do not change.
Step D: for the Curves compilation of big data quantity, needs the substantial amounts recording new point value, has thus reserved configuration specially for configuration instrument and has generated data buffer area, the intermediate value of generation has been stayed the inside, improved the efficiency of Curves compilation value.The generation of resultant curve, is described above the Changing Pattern of simulating continuous electric parameters, so can by certain generate rule resultant curve according to the rule of step C, resultant curve be divided into linear history resultant curve and ladder history resultant curve.History curve linearly synthesizes the one of history occurrence value, more lately than the real time is no more than 3 seconds, and it is as follows that it realizes principle:
The last generation point of resultant curve is based upon on the formation base of every other point, be that is the some synthesis on all precision curves, and the point on precision curves may by its former and later two dot generation.
Resultant curve must have certain precision curves to generate some when generating point, and this point is the value of getting from real-time data base.
When certain precision curves is from real-time data base during value, other precision curves must generate new point, now have the point of corresponding time just to get from real time data in real-time data base, otherwise a synthesis new point.
Need the baseline of the new point of synthesis, new point (t need generated
0moment) the point having two to exist from database around moment (previous point is at t
1moment generates, and a rear point is at t
2moment generates), if | t
x-t
0|/(t
2-t
1) < k (x=1,2; K is constant) time, t
0corresponding point gets t
xvalue; When | t
x-t
0|/(t
2-t
1)>=k (x=1,2; K is constant) time, then according to the line value of 2, if electric parameters is at t
xthe value that place generates is M (t
x) (x=1,2), then corresponding t
0the value in moment is
wherein the value of k can adjust according to the application data precision of reality.
When after the new dot generation of baseline, the new point in multiple electric parameters corresponding moment or original value just can be utilized to be superimposed as new value, thus to realize curve combining.
Step e: the synthesis point value in data buffer area and the value in database are illustrated on the configuration page by configuration instrument again.According to above generating principle, the rule of new point is generated according to configuration instrument editor, thus new curve can be generated, upper lower limit value can be set to newly-generated curve simultaneously, after corresponding point value goes beyond the scope, another color can be shown as, realize principle simple, utilize the built-in drawing classes of configuration instrument, the size of utilization value retrains the color of drawing classes, whenever the value of certain new point has exceeded the value of setting, from this point, just change the color of lines, until the value of next new point is less than the value of setting.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. based on a curve combining method for configuration instrument, by the parameter of existing measuring point curve is arranged and limit value the color shows realizing simulation curve is set, specifically comprise the following steps:
Steps A, deployment live database server, set up the measuring point storing real time modelling numerical value, and measure-point amount gathers critical point number by data acquisition end and determines, closes the measuring point data compression function of real-time data base; Carry out data plausibility check to the real time data of active power collection terminal collection, described real time data is with timestamp;
Step B, deployment configuration instrument, the connection of foundation and real-time data base, selects the electric parameters of the same type needing superposition; For a large amount of real time datas continuously in acceptable reasonable change precision, only record starts data and markers thereof and end data and markers thereof;
Step C, in configuration file, write new dot generation parameter of regularity and the out-of-limit parameter of numerical value;
Step D, according to the measured value in real-time data base, by configuration configuration instrument parameter, simulation generates resultant curve; For the Curves compilation of big data quantity, reserve configuration for configuration instrument and generate data buffer area, the intermediate value of generation is stayed the inside;
Synthesis point value in data buffer area and the value in database are illustrated on the configuration page by step e, configuration instrument.
2. the curve combining method based on configuration instrument according to claim 1, it is characterized in that: steps A is specially, during band to Real-time Collection, the electric parameters at target critical point carries out data check according to data check rule, different data precisions is determined according to the important level of data, data markers for particular importance is double precision, and all the other are labeled as single precision.
3. the curve combining method based on configuration instrument according to claim 1, it is characterized in that: step B is specially, real-time data base is change storage to the rule that the data of real-time change store, namely for certain electric parameters, when data acquisition end uploads new data by channel, real-time data base records store data; When collection terminal normal acquisition data, and after normally can collecting database, configuration instrument is installed, configuration instrument is furnished with the Connection Service with real time data, possesses the function of measuring point time and respective value in binding real time data, in the horizontal ordinate that the time of certain measuring point in real time data and value can be mapped to configuration instrument generation coordinate system and ordinate.
4. the curve combining method based on configuration instrument according to claim 1, it is characterized in that: step C is specially, in real-time data base, original measuring point is not mapped in the coordinate in configuration figure with not adding amendment, being called for short such curve is precision curves, the value in a certain moment in the corresponding real-time data base of each turning point on precision curves; Utilize the curve of many precision curves synthesis referred to as resultant curve, many precision curves are selected on the basis of resultant curve, and determine the initial time of every bar precision curves; According to actual operating state, data variation scope in record difference normal time.
5. the curve combining method based on configuration instrument according to claim 1, is characterized in that: step D is specially, and according to the law generation resultant curve of step C, resultant curve is divided into linear history resultant curve and ladder history resultant curve; History curve is the linear synthesis to history occurrence value, more lately than the real time is no more than 3 seconds.
6. the curve combining method based on configuration instrument according to claim 1, it is characterized in that: step e is specially, the rule of new point is generated according to configuration instrument editor, generate new curve, upper lower limit value is arranged to newly-generated curve simultaneously, after corresponding point value goes beyond the scope, be shown as another color, utilize the built-in drawing classes of configuration instrument, the size of utilization value retrains the color of drawing classes, whenever the value of certain new point has exceeded the value of setting, from this point, just change the color of lines, until the value of next new point is less than the value of setting.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106204685A (en) * | 2016-07-15 | 2016-12-07 | 福州福大自动化科技有限公司 | A kind of functional relationship for configuration element analyzes method and system |
| CN111099031A (en) * | 2018-10-26 | 2020-05-05 | 北京松果电子有限公司 | Method and device for displaying flight data, storage medium and electronic equipment |
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| US6556998B1 (en) * | 2000-05-04 | 2003-04-29 | Matsushita Electric Industrial Co., Ltd. | Real-time distributed file system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106204685A (en) * | 2016-07-15 | 2016-12-07 | 福州福大自动化科技有限公司 | A kind of functional relationship for configuration element analyzes method and system |
| CN111099031A (en) * | 2018-10-26 | 2020-05-05 | 北京松果电子有限公司 | Method and device for displaying flight data, storage medium and electronic equipment |
| CN111099031B (en) * | 2018-10-26 | 2021-07-27 | 北京小米松果电子有限公司 | Method and device for displaying flight data, storage medium and electronic equipment |
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