CN105512803A - Electric power data processing method and processing apparatus - Google Patents
Electric power data processing method and processing apparatus Download PDFInfo
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Abstract
The invention discloses an electric power data processing method and processing apparatus. The method comprises: according to a current value, collected by a current transformer, of a power supply line, a first image is obtained, wherein the current transformer is arranged on the power supply line; the first image is processed according to an interpolation method to obtain a second image; and whether a current value corresponding to the second image meets a preset current value characteristic is determined; if not, warning information is sent out, wherein the warning information is used for indicting abnormity of the power supply line. According to the invention, a technical problem that a subway load characteristic at any time can not be determined accurately because information missing and graph distortion that are caused by a scatter diagram can not be avoided according to related technologies can be solved.
Description
Technical field
The present invention relates to power domain, in particular to a kind of disposal route and treating apparatus of electric power data.
Background technology
Ground iron load is important urban power distribution network load, and it all can produce a large amount of load datas all the time, and these data are bases of load Analysis.But load data on the other hand is often not suitable for Direct Analysis, therefore needs the method for data processing.Iron load process at present and analysis, are all the load scatter diagrams based on discretize, the shortcoming of this method has: (1) discrete point can bring the problem that precision is inadequate; (2) load point of flood tide also can take too much storage space; (3) different step-lengths has different precision, and this can affect versatility and the standardization of various analyzing and processing algorithm.
To sum up, the load data gathered due to subway is loose point data, has certain step interval, directly carries out the work such as modeling, analysis to these data, cannot show the part throttle characteristics of underground engines reality accurately.Thus, loss of learning and picture distortion that scatter diagram brings cannot be evaded in correlation technique, and then can not accurately judge the subway part throttle characteristics of any time.
For above-mentioned problem, at present effective solution is not yet proposed.
Summary of the invention
Embodiments provide a kind of disposal route and treating apparatus of electric power data, cannot evade at least to solve in correlation technique the loss of learning and picture distortion that scatter diagram brings, and then can not accurately judge the technical matters of subway part throttle characteristics of any time.
According to an aspect of the embodiment of the present invention, provide a kind of disposal route of electric power data, comprise: according to the current value in the supply line that current transformer collects, obtain the first image, wherein, current transformer is arranged in supply line, and then according to method of interpolation, the first image is processed, obtain the second image, further, determine whether the current value feature that the second image is corresponding meets predetermined current value tag, if the current value feature that the second image is corresponding does not meet predetermined current value tag, then send a warning message, wherein, it is abnormal that warning information is used to indicate supply line.
Further, according to method of interpolation, the first image is processed, obtain the second image and comprise: according to segmentation cubic interpolation method, the first image is processed, obtain the second image.
Further, according to segmentation cubic interpolation method, the first image is processed, obtain the second image and comprise: first preset formula corresponding according to segmentation cubic interpolation method processes the first image, obtains the second image, and wherein, the first preset formula is
α
jx () is the first basis function of the first preset formula, β
jx () is the second basis function of the first preset formula, y
jbe the first coefficient of the first preset formula, m
jbe the second coefficient of the first preset formula, and H
2n+1x () is α
j(x) and β
jthe linear combination of (x).
Further, according to segmentation cubic interpolation method, the first image is processed, obtain the second image and also comprise: second preset formula corresponding according to segmentation cubic interpolation method processes the first image, obtains the second image, and wherein, the second preset formula is
x ∈ [a, b], R
3x () is the remainder of interpolation of the second preset formula, h
kbe the error step-length of the second preset formula, f
(4)(x) be the second preset formula by four higher derivatives of interpolating function, x is the interpolation point of the second preset formula, and a is the first constant value of the second preset formula, and b is the second constant value of the second preset formula.
Further, according to the current value in the supply line that current transformer collects, obtain the first image and comprise: according to current value, obtain the scatter diagram of current value; According to method of interpolation, the first image is processed, obtain the second image and comprise: process according to the scatter diagram of method of interpolation to current value, obtain the continuous curve figure of current value.
Further, determine whether current value feature that the second image is corresponding meets predetermined current value tag and comprise: obtain current maxima corresponding to the second image and current minimum; Judge whether the difference of current maxima and current minimum is not more than predetermined threshold value; If difference is not more than predetermined threshold value, then determine that the current value feature that the second image is corresponding meets pre-set current value feature.
Further, supply line is power supply of urban orbit traffic circuit.
According to the another aspect of the embodiment of the present invention, additionally provide a kind for the treatment of apparatus of electric power data, comprise: the current value in the supply line that acquiring unit 20 collects according to current transformer, obtain the first image, wherein, current transformer is arranged in supply line, first processing unit 22 processes the first image according to method of interpolation, obtain the second image, judging unit 24 determines whether the current value feature that the second image is corresponding meets predetermined current value tag, prewarning unit 26 is not when the current value feature that the second image is corresponding meets predetermined current value tag, send a warning message, wherein, it is abnormal that warning information is used to indicate supply line.
Further, the first processing unit comprises: acquisition module, for processing the first image according to segmentation cubic interpolation method, obtains the second image.
Further, acquisition module comprises: the first computing module, for processing the first image according to segmentation cubic interpolation method, obtain the second image: first preset formula corresponding according to segmentation cubic interpolation method processes the first image, obtain the second image, wherein, the first preset formula is
α
jx () is the first basis function of the first preset formula, β
jx () is the second basis function of the first preset formula, y
jbe the first coefficient of the first preset formula, m
jbe the second coefficient of the first preset formula, and H
2n+1x () is α
j(x) and β
jthe linear combination of (x).
Further, acquisition module comprises: the second computing module, for: second preset formula corresponding according to segmentation cubic interpolation method processes the first image, obtains the second image, and wherein, the second preset formula is
x ∈ [a, b], R
3x () is the remainder of interpolation of the second preset formula, h
kbe the error step-length of the second preset formula, f
(4)(x) be the second preset formula by four higher derivatives of interpolating function, x is the interpolation point of the second preset formula, and a is the first constant value of the second preset formula, and b is the second constant value of the second preset formula.
Further, acquiring unit comprises: first obtains module, for according to current value, obtains the scatter diagram of current value; First processing unit comprises: second obtains module, for processing the first image according to method of interpolation, obtains the second image: process according to the scatter diagram of method of interpolation to current value, obtains the continuous curve figure of current value.
Further, judging unit comprises: sub-acquisition module, for obtaining current maxima corresponding to the second image and current minimum; Sub-judge module, for judging whether the difference of current maxima and current minimum is not more than predetermined threshold value; Determination module, if be not more than predetermined threshold value for difference, then determines that the current value feature that the second image is corresponding meets pre-set current value feature.
Further, supply line is power supply of urban orbit traffic circuit.
In embodiments of the present invention, adopt the current value in the supply line that collects according to current transformer, obtain the first image, wherein, current transformer is arranged in supply line, according to method of interpolation, the first image is processed, obtain the second image, determine whether the current value feature that the second image is corresponding meets predetermined current value tag, if the current value feature that the second image is corresponding does not meet predetermined current value tag, then send a warning message, wherein, warning information is used to indicate the method for supply line's exception, solve in correlation technique and cannot evade the loss of learning and picture distortion that scatter diagram brings, and then can not accurately judge the technical matters of subway part throttle characteristics of any time.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of the disposal route of a kind of optional electric power data according to the embodiment of the present invention;
Fig. 2 is the structural representation of the treating apparatus of a kind of optional electric power data according to the embodiment of the present invention.
Embodiment
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
It should be noted that, term " first ", " second " etc. in instructions of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment 1
According to the embodiment of the present invention, provide a kind of embodiment of the method for disposal route of electric power data, it should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Fig. 1 is the disposal route of the electric power data according to the embodiment of the present invention, the disposal route of the electric power data that the present embodiment provides, can be applied in power supply of urban orbit traffic circuit, concrete, be applied in subway power supply circuit for the disposal route of above-mentioned electric power data, electric power data now can be subway load data.
As shown in Figure 1, the method comprises the steps:
Step S102, according to the current value in the supply line that current transformer collects, obtain the first image, wherein, current transformer is arranged in supply line.
In the application above-mentioned steps S102, when subway circulation, according to the current value in the supply line that current transformer collects, obtain the first image, wherein, current transformer is arranged in supply line as load measuring equipment.It should be noted that, the subway load data now collected is the current data that interval gathers, and has certain step interval.
Step S104, processes the first image according to method of interpolation, obtains the second image.
In the application above-mentioned steps S104, the first image that the current value in the supply line collect step S102 obtains carries out difference process, obtains the second image.It should be noted that, because the current value in the supply line that collected by step S102 is the current data that interval gathers, directly the work such as modeling, analysis is carried out to these data, the part throttle characteristics of underground engines reality cannot be shown accurately, by the method for step S104, interpolation processing is carried out to the first image, the defect such as loss of learning and pattern distortion that in the first image, discrete data point brings can be evaded, obtain the second image that reliability is high, better reduce original loads image.
Step S106, determines whether the current value feature that the second image is corresponding meets predetermined current value tag.
In the application above-mentioned steps S106, by analyzing the current value feature in higher the second image of reliability, determining whether above-mentioned current value feature meets predetermined current value tag, providing convenience for carrying out the work of large-scale subway load data modeling and analysis.
Step S108, if current value feature corresponding to the second image does not meet predetermined current value tag, then sends a warning message, and wherein, it is abnormal that warning information is used to indicate supply line.
In the application above-mentioned steps S108, can be known by the analysis result of step S106, if the current value feature that the second image is corresponding does not meet predetermined current value tag, then send a warning message, wherein, it is abnormal that warning information is used to indicate supply line, and then notify that relevant staff takes corresponding treatment measures in time.
The disposal route of the electric power data that the present embodiment provides, according to the current value in the supply line that current transformer collects, obtain the first image, wherein, current transformer is arranged in supply line, and then according to method of interpolation, the first image is processed, obtain the second image, further, determine whether the current value feature that the second image is corresponding meets predetermined current value tag, if the current value feature that the second image is corresponding does not meet predetermined current value tag, then send a warning message, wherein, it is abnormal that warning information is used to indicate supply line, thus solve in correlation technique and cannot evade the loss of learning and picture distortion that scatter diagram brings, and then can not accurately judge the problem of subway part throttle characteristics of any time.
Alternatively, in the present embodiment, according to method of interpolation, the first image is processed, obtain the second image and comprise: according to segmentation cubic interpolation method, the first image is processed, obtain the second image.
Particularly, in actual interpolation problem, overlap with original function better to enable interpolating function, in the present embodiment, according to method of interpolation, the first image is processed, obtain the second image to comprise: process the first image according to segmentation cubic interpolation method, obtain the second image, above-mentioned segmentation cubic interpolation method not only requires that interpolating function is equal in interpolation knot superior function value with original both functions, and require that corresponding derivative value is also equal, thus, the object of interpolating function and the coincidence of original function is realized.
Alternatively, in the present embodiment, according to segmentation cubic interpolation method, the first image is processed, obtain the second image to comprise: first preset formula corresponding according to segmentation cubic interpolation method processes the first image, obtain the second image, wherein, the first preset formula is
α
jx () is the first basis function of the first preset formula, β
jx () is the second basis function of the first preset formula, y
jbe the first coefficient of the first preset formula, m
jbe the second coefficient of the first preset formula, and H
2n+1x () is α
j(x) and β
jthe linear combination of (x).
Particularly, in the present embodiment, above-mentioned first preset formula can be determined by the following method:
When by slotting function f (x) ∈ C
(1)[a, b], a=x
0<x
1<...<=b, then determine unique target interpolating function I
nx () meets following condition:
I
n(x)∈C
(1)[a,b]；
I
n(x
k)＝f(x
k),I
n'(x
k)＝f'(x
k)(k＝0,1,…,n)；
I
nx () is at each minizone [x
k, x
k+1] on be cubic algebra polynomial expression about x;
Claim I
nx () is f (x) based on interpolation knot group x
k(k=0,1 ..., three the Hermite Hermite interpolation of segmentation n), if [a, b]=[0,1], x
k=k/n, k=0 ..., n, then I
nx () is designated as H
n(f, x),
it should be noted that H
n(f, x) is the form of distortion of above-mentioned first preset formula.
Wherein:
It should be noted that, above-mentioned segmentation cubic interpolation method combines functional value and the derivative value of curve, and the precision of interpolation is greatly improved.
Alternatively, in the present embodiment, according to segmentation cubic interpolation method, the first image is processed, obtain the second image also to comprise: second preset formula corresponding according to segmentation cubic interpolation method processes the first image, obtain the second image, wherein, the second preset formula is
x ∈ [a, b], R
3x () is the remainder of interpolation of the second preset formula, h
kbe the error step-length of the second preset formula, f
(4)(x) be the second preset formula by four higher derivatives of interpolating function, x is the interpolation point of the second preset formula, and a is the first constant value of the second preset formula, and b is the second constant value of the second preset formula.
Particularly, in the present embodiment, the remainder of interpolation R of above-mentioned second preset formula
3x () the i.e. interpolation error of segmentation cubic interpolation method, wherein, the error of subsection curve fitting is by step-length h
k=x
k+1-x
kmaximal value h control, therefore, interpolation error to control in certain ε precision, as long as suitably selection h just can achieve the goal, and on interpolation section uniform convergence, Runge phenomenon can be avoided well.
Alternatively, in the present embodiment, according to the current value in the supply line that current transformer collects, obtain the first image and comprise: according to current value, obtain the scatter diagram of current value; According to method of interpolation, the first image is processed, obtain the second image and comprise: process according to the scatter diagram of method of interpolation to current value, obtain the continuous curve figure of current value.
Particularly, in the present embodiment, according to the current value in the supply line that current transformer collects, obtain the first image to comprise: according to current value, obtain the scatter diagram of current value, and then process to obtain the second image to above-mentioned first image according to method of interpolation, namely find one through the curve of all load point by method of interpolation, and parsing its polynomial expression, then the function curve of this polynomial expression is subway current capacity curve map.
Through the above description of the embodiments, method of interpolation in the disposal route of electric power data of the present invention both ensure that interpolation precision, and better reduce original loads curve, it needs structure interpolating function, on given interpolation knot, not only get nodal value also identical, and the difference quotient value of Nodes is also identical, make interpolating function and better by the closed intensity of interpolating function.When scatter diagram becomes continuous print curve, just effectively can solve precision problem, the problem of load point is converted into the problem of interpolating function simultaneously, save storage space.This method has and calculates simple, and reliability is high, precision advantages of higher, is applicable to large-scale subway load modeling and analytical work.
Alternatively, in the present embodiment, determine whether current value feature that the second image is corresponding meets predetermined current value tag and comprise: obtain current maxima corresponding to the second image and current minimum; Judge whether the difference of current maxima and current minimum is not more than predetermined threshold value; If difference is not more than predetermined threshold value, then determine that the current value feature that the second image is corresponding meets pre-set current value feature.
It can thus be appreciated that, for evading the loss of learning and picture distortion that scatter diagram brings in correlation technique, and then can not accurately judge the technical matters of subway part throttle characteristics of any time, the present invention proposes a kind of electric power data disposal route, according to the current value in the supply line that current transformer collects, obtain the first image, wherein, current transformer is arranged in supply line, according to method of interpolation, the first image is processed, obtain the second image, determine whether the current value feature that the second image is corresponding meets predetermined current value tag, if the current value feature that the second image is corresponding does not meet predetermined current value tag, then send a warning message, wherein, it is abnormal that warning information is used to indicate supply line, thus make the ground iron load scatter diagram of discretize form continuous print subway load curve, and effectively can ensure interpolation precision, therefore the problem such as loss of learning and picture distortion that scatter diagram brings can be evaded, make engineering staff can under the measurement scheme of any step-length, the subway load value of any time can be obtained.
Embodiment 2
According to the present embodiment, additionally provide a kind for the treatment of apparatus of electric power data, this treating apparatus is mainly used in the disposal route performing the electric power data that embodiment of the present invention foregoing provides, and does concrete introduction below to the treating apparatus of the electric power data that the present embodiment provides.
Fig. 2 is the structural representation of the treating apparatus of a kind of electric power data according to the embodiment of the present invention two, and as shown in Figure 2, this device comprises:
Acquiring unit 20, the current value in the supply line collected according to current transformer, obtains the first image, and wherein, current transformer is arranged in supply line.
In the present embodiment, when subway circulation, according to the current value in the supply line that current transformer collects, obtain the first image, wherein, current transformer is arranged in supply line as load measuring equipment.It should be noted that, the subway load data now collected is the circuit data that interval gathers, and has certain step interval.
First processing unit 22, for processing the first image according to method of interpolation, obtains the second image.
In the present embodiment, the first image that the current value in the supply line collect acquiring unit 20 obtains carries out difference process, obtains the second image.It should be noted that, because the current value in the supply line that collected by acquiring unit 20 is the current data that interval gathers, directly the work such as modeling, analysis is carried out to these data, the part throttle characteristics of underground engines reality cannot be shown accurately, by the first processing unit 22, interpolation processing is carried out to the first image, the defect such as loss of learning and pattern distortion that in the first image, discrete data point brings can be evaded, obtain the second image that reliability is high, better reduce original loads image.
Judging unit 24, for determining whether the current value feature that the second image is corresponding meets predetermined current value tag.
In the present embodiment, by analyzing the current value feature in higher the second image of reliability, determining whether above-mentioned current value feature meets predetermined current value tag, providing convenience for carrying out the work of large-scale subway load data modeling and analysis.
Prewarning unit 26, if do not meet predetermined current value tag for the current value feature that the second image is corresponding, then sends a warning message, and wherein, it is abnormal that warning information is used to indicate supply line.
In the present embodiment, can be known by the analysis result of judging unit 24, if the current value feature that the second image is corresponding does not meet predetermined current value tag, then send a warning message, wherein, it is abnormal that warning information is used to indicate supply line, and then notify that relevant staff takes corresponding treatment measures in time.
As from the foregoing, the scheme that the above embodiments of the present application two provide, current value in the supply line collected according to current transformer by acquiring unit 20, obtain the first image, wherein, current transformer is arranged in supply line, first processing unit 22 processes the first image according to method of interpolation, obtain the second image, judging unit 24 determines whether the current value feature that the second image is corresponding meets predetermined current value tag, prewarning unit 26 is not when the current value feature that the second image is corresponding meets predetermined current value tag, send a warning message, wherein, it is abnormal that warning information is used to indicate supply line, thus solve in correlation technique and cannot evade the loss of learning and picture distortion that scatter diagram brings, and then can not accurately judge the problem of subway part throttle characteristics of any time.
Alternatively, in the present embodiment, the first processing unit comprises: acquisition module, for processing the first image according to segmentation cubic interpolation method, obtains the second image.
Particularly, in actual interpolation problem, overlap with original function better to enable interpolating function, in the present embodiment, according to method of interpolation, the first image is processed, obtain the second image to comprise: process the first image according to segmentation cubic interpolation method, obtain the second image, above-mentioned segmentation cubic interpolation method not only requires that interpolating function is equal in interpolation knot superior function value with original both functions, and require that corresponding derivative value is also equal, thus, the object of interpolating function and the coincidence of original function is realized.
Alternatively, in the present embodiment, acquisition module comprises: the first computing module, and process the first image for the first preset formula corresponding according to segmentation cubic interpolation method, obtain the second image, wherein, the first preset formula is
α
jx () is the first basis function of the first preset formula, β
jx () is the second basis function of the first preset formula, y
jbe the first coefficient of the first preset formula, m
jbe the second coefficient of the first preset formula, and H
2n+1x () is α
j(x) and β
jthe linear combination of (x).
Particularly, in the present embodiment, above-mentioned first preset formula can be determined by the following method:
When by slotting function f (x) ∈ C
(1)[a, b], a=x
0<x
1<...<=b, then determine unique target interpolating function I
nx () meets following condition:
I
n(x)∈C
(1)[a,b]；
I
n(x
k)＝f(x
k),I
n'(x
k)＝f'(x
k)(k＝0,1,…,n)；
I
nx () is at each minizone [x
k, x
k+1] on be cubic algebra polynomial expression about x;
Claim I
nx () is f (x) based on interpolation knot group x
k(k=0,1 ..., subsection curve fitting n), if [a, b]=[0,1], x
k=k/n, k=0 ..., n, then I
nx () is designated as H
n(f, x),
it should be noted that H
n(f, x) is the form of distortion of the first preset formula.
Wherein:
It should be noted that, above-mentioned segmentation cubic interpolation method combines functional value and the derivative value of curve, and the precision of interpolation is greatly improved.
Alternatively, in the present embodiment, acquisition module comprises: the second computing module, and process the first image for the second preset formula corresponding according to segmentation cubic interpolation method, obtain the second image, wherein, the second preset formula is
r
3x () is the remainder of interpolation of the second preset formula, h
kbe the error step-length of the second preset formula, f
(4)(x) be the second preset formula by four higher derivatives of interpolating function, x is the interpolation point of the second preset formula, and a is the first constant value of the second preset formula, and b is the second constant value of the second preset formula.
Particularly, in the present embodiment, the remainder of interpolation R of above-mentioned second preset formula
3x () the i.e. interpolation error of segmentation cubic interpolation method, wherein, the error of subsection curve fitting is by step-length h
k=x
k+1-x
kmaximal value h control, therefore, interpolation error to control in certain ε precision, as long as suitably selection h just can achieve the goal, and on interpolation section uniform convergence, Runge phenomenon can be avoided well.
Alternatively, in the present embodiment, acquiring unit comprises: first obtains module, for: according to current value, obtain the scatter diagram of current value; First processing unit comprises: second obtains module, for processing the first image according to method of interpolation, obtains the second image: process according to the scatter diagram of method of interpolation to current value, obtains the continuous curve figure of current value.
Particularly, in the present embodiment, according to the current value in the supply line that current transformer collects, obtain the first image to comprise: according to current value, obtain the scatter diagram of current value, and then process to obtain the second image to above-mentioned first image according to method of interpolation, namely find one through the curve of all load point by method of interpolation, and parsing its polynomial expression, then the function curve of this polynomial expression is subway current capacity curve map.
Through the above description of the embodiments, method of interpolation in the disposal route of electric power data of the present invention both ensure that interpolation precision, and better reduce original loads curve, it needs structure interpolating function, on given interpolation knot, not only get nodal value also identical, and the difference quotient value of Nodes is also identical, make interpolating function and better by the closed intensity of interpolating function.When scatter diagram becomes continuous print curve, just effectively can solve precision problem, the problem of load point is converted into the problem of interpolating function simultaneously, save storage space.This method has and calculates simple, and reliability is high, precision advantages of higher, is applicable to large-scale subway load modeling and analytical work.
Alternatively, in the present embodiment, judging unit comprises: sub-acquisition module, for obtaining current maxima corresponding to the second image and current minimum; Sub-judge module, for judging whether the difference of current maxima and current minimum is not more than predetermined threshold value; Determination module, if be not more than predetermined threshold value for difference, then determines that the current value feature that the second image is corresponding meets pre-set current value feature.
It can thus be appreciated that, for evading the loss of learning and picture distortion that scatter diagram brings in correlation technique, and then can not accurately judge the technical matters of subway part throttle characteristics of any time, the present invention proposes a kind of electric power data treating apparatus, according to the current value in the supply line that current transformer collects, obtain the first image, wherein, current transformer is arranged in supply line, according to method of interpolation, the first image is processed, obtain the second image, determine whether the current value feature that the second image is corresponding meets predetermined current value tag, if the current value feature that the second image is corresponding does not meet predetermined current value tag, then send a warning message, wherein, it is abnormal that warning information is used to indicate supply line, thus make the ground iron load scatter diagram of discretize form continuous print subway load curve, and effectively can ensure interpolation precision, therefore the problem such as loss of learning and picture distortion that scatter diagram brings can be evaded, make engineering staff can under the measurement scheme of any step-length, the subway load value of any time can be obtained.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a disposal route for electric power data, is characterized in that, comprising:
According to the current value in the supply line that current transformer collects, obtain the first image, wherein, described current transformer is arranged in described supply line;
According to method of interpolation, described first image is processed, obtain the second image;
Determine whether the current value feature that described second image is corresponding meets predetermined current value tag;
If the current value feature that described second image is corresponding does not meet described predetermined current value tag, then send a warning message, wherein, it is abnormal that described warning information is used to indicate described supply line.
2. method according to claim 1, is characterized in that, describedly processes described first image according to method of interpolation, obtains the second image and comprises:
According to segmentation cubic interpolation method, described first image is processed, obtain described second image.
3. method according to claim 2, is characterized in that, describedly processes described first image according to segmentation cubic interpolation method, obtains described second image and comprises:
First preset formula corresponding according to described segmentation cubic interpolation method processes described first image, obtains described second image, and wherein, described first preset formula is
described α
jx () is the first basis function of described first preset formula, described β
jx () is the second basis function of described first preset formula, described y
jfor the first coefficient of described first preset formula, described m
jfor the second coefficient of described first preset formula, and described H
2n+1x () is described α
j(x) and described β
jthe linear combination of (x).
4. method according to claim 2, is characterized in that, describedly processes described first image according to segmentation cubic interpolation method, obtains described second image and also comprises:
Second preset formula corresponding according to described segmentation cubic interpolation method processes described first image, obtains described second image, and wherein, described second preset formula is
x ∈ [a, b], described R
3x () is the remainder of interpolation of described second preset formula, described h
kfor the error step-length of described second preset formula, described f
(4)x () is described second preset formula by four higher derivatives of interpolating function, described x is the interpolation point of described second preset formula, described a is the first constant value of described second preset formula, and described b is the second constant value of described second preset formula.
5. method according to claim 1, is characterized in that, the current value in the described supply line collected according to current transformer, obtains the first image and comprise: according to described current value, obtain the scatter diagram of described current value;
Describedly according to method of interpolation, described first image to be processed, obtain the second image and comprise: process according to the scatter diagram of described method of interpolation to described current value, obtain the continuous curve figure of described current value.
6. method according to claim 1, is characterized in that, whether the described current value feature determining that described second image is corresponding meets predetermined current value tag comprises:
Obtain current maxima corresponding to described second image and current minimum;
Judge whether the difference of described current maxima and described current minimum is not more than predetermined threshold value;
If described difference is not more than described predetermined threshold value, then determine that the current value feature that described second image is corresponding meets described predetermined current value tag.
7. method as claimed in any of claims 1 to 6, is characterized in that, described supply line is power supply of urban orbit traffic circuit.
8. a treating apparatus for electric power data, is characterized in that, comprising:
Acquiring unit, the current value in the supply line collected according to current transformer, obtains the first image, and wherein, described current transformer is arranged in described supply line;
First processing unit, for processing described first image according to method of interpolation, obtains the second image;
Judging unit, for determining whether the current value feature that described second image is corresponding meets predetermined current value tag;
Prewarning unit, if do not meet described predetermined current value tag for the current value feature that described second image is corresponding, then sends a warning message, and wherein, it is abnormal that described warning information is used to indicate described supply line.
9. device according to claim 8, is characterized in that, described first processing unit comprises:
Acquisition module, for processing described first image according to segmentation cubic interpolation method, obtains described second image.
10. device according to claim 9, is characterized in that, described acquisition module comprises: the first computing module, for first preset formula corresponding according to described segmentation cubic interpolation method, described first image is processed, obtain described second image, wherein, described first preset formula is
described α
jx () is the first basis function of described first preset formula, described β
jx () is the second basis function of described first preset formula, described y
jfor the first coefficient of described first preset formula, described m
jfor the second coefficient of described first preset formula, and described H
2n+1x () is described α
j(x) and described β
jthe linear combination of (x).
11. devices according to claim 9, is characterized in that, described acquisition module also comprises: the second computing module, for second preset formula corresponding according to described segmentation cubic interpolation method, described first image is processed, obtain described second image, wherein, described second preset formula is
x ∈ [a, b], described R
3x () is the remainder of interpolation of described second preset formula, described h
kfor the error step-length of described second preset formula, described f
(4)x () is described second preset formula by four higher derivatives of interpolating function, described x is the interpolation point of described second preset formula, described a is the first constant value of described second preset formula, and described b is the second constant value of described second preset formula.
12. devices according to claim 8, is characterized in that, described acquiring unit comprises: first obtains module, for according to described current value, obtain the scatter diagram of described current value;
Described first processing unit comprises: second obtains module, for processing according to the scatter diagram of described method of interpolation to described current value, obtains the continuous curve figure of described current value.
13. devices according to claim 8, is characterized in that, described judging unit comprises:
Sub-acquisition module, for obtaining current maxima corresponding to described second image and current minimum;
Sub-judge module, for judging whether the difference of described current maxima and described current minimum is not more than predetermined threshold value;
Determination module, if be not more than described predetermined threshold value for described difference, then determines that the current value feature that described second image is corresponding meets described predetermined current value tag.
Device in 14. according to Claim 8 to 13 described in any one, is characterized in that, described supply line is power supply of urban orbit traffic circuit.
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