CN107730117A - A kind of cable maintenance method for early warning and system based on heterogeneous data comprehensive analysis - Google Patents

A kind of cable maintenance method for early warning and system based on heterogeneous data comprehensive analysis Download PDF

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CN107730117A
CN107730117A CN201710966945.2A CN201710966945A CN107730117A CN 107730117 A CN107730117 A CN 107730117A CN 201710966945 A CN201710966945 A CN 201710966945A CN 107730117 A CN107730117 A CN 107730117A
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power cable
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cable data
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CN107730117B (en
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杨丹
夏荣
王昱力
蒙绍新
刘松华
刘红武
章红军
李利红
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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China Electric Power Research Institute Co Ltd CEPRI
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Abstract

The invention discloses a kind of cable based on heterogeneous data comprehensive analysis to overhaul method for early warning, including:Power cable data comprising heterogeneous data are handled, obtain the power cable data of standardization and tape identification;Exercised supervision study using convolutional neural networks using the power cable data of the standardization and tape identification, be the parameter in convolutional network by maintenance decision Knowledge Internalization, obtain the convolutional neural networks model trained;The power cable data gathered in real time are analyzed and excavated using the convolutional neural networks model trained, the running status of power cable are evaluated, and push maintenance warning information.The present invention is exercised supervision using convolutional neural networks framework to be learnt to excavate, and cable running status is evaluated automatically using the convolutional neural networks model trained and pushes maintenance warning information, the flexible service work that inspection unit can be transported for power cable provides technical support, and certain reference can be also provided for the Quality Control of cable manufacturing enterprise.

Description

A kind of cable maintenance method for early warning and system based on heterogeneous data comprehensive analysis
Technical field
Heterogeneous number is based on the present invention relates to power cable operation and maintenance technical field, and more particularly, to one kind Method for early warning and system are overhauled according to the cable of comprehensive analysis.
Background technology
In recent years, importance of the power cable in urban distribution network is increasingly highlighted, and science maintenance is carried out to it and is related to electricity The reliability of network operation.The repair method used in the industry at present depends primarily on the classical model such as office in electrical engineering subject Portion's discharge test, aging analysis etc., the formulation of repair schedule is using the time as Main Basiss.Because model is easily by noise effect, no Certainty factor is more, and this strategy generally used is highly dependent on the professional qualities of maintainer, limited reliability.In addition, Such as shelf depreciation experiment, a kind of Strategies of Maintenance needs to power off and carried out offline, influences normal production and living.Recently what is occurred is more Secondary cable fault also illustrates that traditional maintenance model has problem in terms of reliability and overhaul efficiency, therefore, is badly in need of having more The maintenance method for early warning of intelligent level.
The content of the invention
The invention provides a kind of cable maintenance method for early warning and system based on heterogeneous data comprehensive analysis, to solve such as The problem of what carries out maintenance early warning to power cable.
In order to solve the above problems, according to an aspect of the invention, there is provided a kind of be based on heterogeneous data comprehensive analysis Cable maintenance method for early warning, it is characterised in that methods described includes:
Power cable data comprising heterogeneous data are handled, obtain the power cable number of standardization and tape identification According to, wherein, the power cable data include:Cable attribute and status data, channel environment data and cable status evaluation number According to;
Exercised supervision study, will be examined using convolutional neural networks using the power cable data of the standardization and tape identification The parameter turned in DECISION KNOWLEDGE in convolutional network is repaiied, obtains the convolutional neural networks model trained;
The power cable data gathered in real time are analyzed and dug using the convolutional neural networks model trained Pick, obtains the probabilistic information of output layer, the running status of power cable is evaluated according to the probabilistic information, and according to commenting Valency result pushes maintenance warning information to administrative staff.
Preferably, wherein the described pair of power cable data comprising heterogeneous data are handled, standardization is obtained and with mark The power cable data of knowledge, including:
The power cable data comprising heterogeneous data are filled using average completion method;
Continuous treatment is carried out to the power cable data after filling, using integer Shift Method by the power cable of discrete type Data are converted to the power cable data of continuous type;
The power cable data of the continuous type are normalized, obtain the power cable number after normalized According to;
Power cable data after the normalized are carried out, from mark processing, the overhaul data of power cable to be believed Breath is associated with the power cable data after normalized, obtains the power cable data of standardization and tape identification.
Preferably, wherein the power cable data to the continuous type are normalized, including:
X_new=(x-x_min)/(x_max-x_min),
Wherein, x_new be normalized after current attribute value;X_min is the minimum value of current attribute;x_max For the maximum of current attribute;X is the value of current attribute.
Preferably, wherein the power cable data using the standardization and tape identification are entered using convolutional neural networks Row supervised learning, it is the parameter in convolutional network by maintenance decision Knowledge Internalization, obtains the convolutional neural networks model trained, Including:
Exercised supervision study using convolutional neural networks, in the input layer input standardization and the power cable of tape identification Data, to it is described standardization and tape identification power cable data carry out the first preset times threshold value convolution, PReLU activation and Pondization processing, the power cable data by convolution, PReLU activation and pondization processing are subjected to the complete of the second preset times threshold value Connection is handled, and result is exported using Softmax graders, is the ginseng in convolutional network by maintenance decision Knowledge Internalization Number, obtains the convolutional neural networks model trained.
Preferably, wherein using Adam algorithm optimizations using convolutional neural networks exercise supervision study in variety of processes it Between link weight parameter.
Preferably, wherein the push mode of the maintenance warning information includes:System internal message, short message and phone.
According to another aspect of the present invention, there is provided a kind of cable maintenance early warning system based on heterogeneous data comprehensive analysis System, it is characterised in that the system includes:
Data processing unit, for handling the power cable data comprising heterogeneous data, obtain standardization and band The power cable data of mark, wherein, the power cable data include:Cable attribute and status data, channel environment data With cable status evaluating data;
Model acquiring unit, for using convolutional neural networks using the power cable data of the standardization and tape identification Exercise supervision study, is the parameter in convolutional network by maintenance decision Knowledge Internalization, obtains the convolutional neural networks mould trained Type;
Prewarning unit is overhauled, for the convolutional neural networks model that is trained described in utilization to the power cable that gathers in real time Data are analyzed and excavated, and obtain the probabilistic information of output layer, the running status according to the probabilistic information to power cable Evaluated, and maintenance warning information is pushed to administrative staff according to evaluation result.
Preferably, wherein the power cable data comprising heterogeneous data are handled by the data processing unit, obtain Standardization and the power cable data of tape identification, including:
The power cable data comprising heterogeneous data are filled using average completion method;
Continuous treatment is carried out to the power cable data after filling, using integer Shift Method by the power cable of discrete type Data are converted to the power cable data of continuous type;
The power cable data of the continuous type are normalized, obtain the power cable number after normalized According to;
Power cable data after the normalized are carried out, from mark processing, the overhaul data of power cable to be believed Breath is associated with the power cable data after normalized, obtains the power cable data of standardization and tape identification.
Preferably, wherein the power cable data to the continuous type are normalized, including:
X_new=(x-x_min)/(x_max-x_min),
Wherein, x_new be normalized after current attribute value;X_min is the minimum value of current attribute;x_max For the maximum of current attribute;X is the value of current attribute.
Preferably, wherein the model acquiring unit, is used using the power cable data of the standardization and tape identification Convolutional neural networks exercise supervision study, are the parameter in convolutional network by maintenance decision Knowledge Internalization, obtain the volume trained Product neural network model, including:
Exercised supervision study using convolutional neural networks, in the input layer input standardization and the power cable of tape identification Data, to it is described standardization and tape identification power cable data carry out the first preset times threshold value convolution, PReLU activation and Pondization processing, the power cable data by convolution, PReLU activation and pondization processing are subjected to the complete of the second preset times threshold value Connection is handled, and result is exported using Softmax graders, is the ginseng in convolutional network by maintenance decision Knowledge Internalization Number, obtains the convolutional neural networks model trained.
Preferably, wherein using Adam algorithm optimizations using convolutional neural networks exercise supervision study in variety of processes it Between link weight parameter.
Preferably, wherein the push mode of the maintenance warning information includes:System internal message, short message and phone.
The invention provides a kind of cable maintenance method for early warning and system based on heterogeneous data comprehensive analysis, by electricity Cable attribute is handled with three kinds of status data, channel environment data and cable status evaluating data heterogeneous datas, is then used The convolutional neural networks framework designed for these three categorical data features, which exercises supervision, to be learnt to excavate, by maintenance decision knowledge The parameter in convolutional network is turned to, it is determined that the convolutional neural networks model trained, and utilize the convolutional neural networks trained Model carries out continual quantitatively evaluating and the warning information of push maintenance in time to cable running status automatically.The method of the present invention The flexible service work that inspection unit can be transported for power cable provides technical support, also can be that the Quality Control of cable manufacturing enterprise carries For certain reference.
Brief description of the drawings
By reference to the following drawings, the illustrative embodiments of the present invention can be more fully understood by:
Fig. 1 is to overhaul method for early warning 100 according to the cable based on heterogeneous data comprehensive analysis of embodiment of the present invention Flow chart;And
Fig. 2 is to overhaul early warning system 200 according to the cable based on heterogeneous data comprehensive analysis of embodiment of the present invention Structural representation.
Embodiment
The illustrative embodiments of the present invention are introduced with reference now to accompanying drawing, however, the present invention can use many different shapes Formula is implemented, and is not limited to embodiment described herein, there is provided these embodiments are to disclose at large and fully The present invention, and fully pass on the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements are attached using identical Map logo.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has to person of ordinary skill in the field It is common to understand implication.Further it will be understood that the term limited with usually used dictionary, be appreciated that and its The linguistic context of association area has consistent implication, and is not construed as Utopian or overly formal meaning.
Fig. 1 is to overhaul method for early warning 100 according to the cable based on heterogeneous data comprehensive analysis of embodiment of the present invention Flow chart.As shown in figure 1, the maintenance method for early warning of the cable based on heterogeneous data comprehensive analysis of embodiment of the present invention, first Power cable data comprising heterogeneous data are handled, obtain the power cable data of standardization and tape identification;Then it is sharp Exercised supervision study using convolutional neural networks with the power cable data of the standardization and tape identification, by maintenance decision knowledge The parameter in convolutional network is inside turned to, obtains the convolutional neural networks model trained;Finally, the convolution trained is utilized Neural network model, which is analyzed and excavated to the power cable data gathered in real time to administrative staff, pushes maintenance warning information, The flexible service work that inspection unit can be transported for power cable provides technical support, also can be that the Quality Control of cable manufacturing enterprise carries For certain reference.The cable based on heterogeneous data comprehensive analysis of invention embodiment overhauls method for early warning 100 from step 101 Place starts, and the power cable data comprising heterogeneous data are handled in step 101, obtains the electric power of standardization and tape identification Cable data, wherein, the power cable data include:Cable attribute and status data, channel environment data and cable status Evaluating data.
Preferably, wherein the described pair of power cable data comprising heterogeneous data are handled, standardization is obtained and with mark The power cable data of knowledge, including:
The power cable data comprising heterogeneous data are filled using average completion method;
Continuous treatment is carried out to the power cable data after filling, using integer Shift Method by the power cable of discrete type Data are converted to the power cable data of continuous type;
The power cable data of the continuous type are normalized, obtain the power cable number after normalized According to;
Power cable data after the normalized are carried out, from mark processing, the overhaul data of power cable to be believed Breath is associated with the power cable data after normalized, obtains the power cable data of standardization and tape identification.
Preferably, wherein the power cable data to the continuous type are normalized, including:
X_new=(x-x_min)/(x_max-x_min),
Wherein, x_new be normalized after current attribute value;X_min is the minimum value of current attribute;x_max For the maximum of current attribute;X is the value of current attribute.
In embodiments of the present invention, need to gather cable attribute and status data, channel environment data, cable shape first Three kinds of source datas of state evaluating data, wherein cable attribute and status data include Operation Condition for Power Cable online monitoring data with Cable account data, channel environment packet is containing geological conditions, meteorological condition, surrounding enviroment data, cable status evaluating data Include cable fault relative recording information.These three data sources can be by power cable transport inspection department door from Electric Power Enterprise Information system Directly exported in system.Because raw data format is different, scope differs, such as:Voltage is continuous type numerical value 110kV, and electric current is Continuous type numerical value 1000A, the severity of injuries recorded in cable record of examination for discrete type numerical value it is high, neutralize it is low.Analyzing It is preceding that missing values are filled according to equalization mode first, and the numerical value of discrete type is subjected to continuous treatment, then successively Pretreatment is normalized in three kinds of data and is handled from mark.
Continuous treatment is that discrete type numerical value is converted into continuous type numerical value using integer Shift Method, such as can will be high, medium and low Three Estate is converted into numerical value 3,2,1.
Normalized is that different number ranges is normalized into [0,1] section.Specific method for normalizing is using such as Lower formula x_new=(x-x_min)/(x_max-x_min) is calculated, i.e., subtracts current attribute minimum using current property value Value and then divided by current attribute maximum difference.Such as:If some property value is respectively:3rd, 2,1, then current value 2 is entered Row normalized, computational methods are:X_new=(2-1)/(3-1)=0.5.
Finally also need to carry out the numerical value after normalization from marking, be by cable status evaluation information from annotation process Data after cable record of examination and above-mentioned standardization are matched according to recording mechanism during data acquisition, are realized to characteristic Automatic marking, i.e., according to information such as the cable number sections recorded in record of examination by record of examination and corresponding cable attribute Associated with status data, channel environment data, associative search can simply use the SQL based on keyword to retrieve sentence.In advance Data after processing only include the numeric data of serialization, and numerical value is in [0,1] interval range, is easy to follow-up study to dig Pick.
Preferably, convolutional neural networks are used using the power cable data of the standardization and tape identification in step 102 Exercise supervision study, is the parameter in convolutional network by maintenance decision Knowledge Internalization, obtains the convolutional neural networks mould trained Type.
Preferably, wherein the power cable data using the standardization and tape identification are entered using convolutional neural networks Row supervised learning, it is the parameter in convolutional network by maintenance decision Knowledge Internalization, obtains the convolutional neural networks model trained, Including:
Exercised supervision study using convolutional neural networks, in the input layer input standardization and the power cable of tape identification Data, to it is described standardization and tape identification power cable data carry out the first preset times threshold value convolution, PReLU activation and Pondization processing, the power cable data by convolution, PReLU activation and pondization processing are subjected to the complete of the second preset times threshold value Connection is handled, and result is exported using Softmax graders, is the ginseng in convolutional network by maintenance decision Knowledge Internalization Number, obtains the convolutional neural networks model trained.
Preferably, wherein using Adam algorithm optimizations using convolutional neural networks exercise supervision study in variety of processes it Between link weight parameter.
In embodiments of the present invention, it is contemplated that the characteristics of cable data species is more, potential relation complexity, in this method The convolutional network overall structure of design is:[input] → [convolution → PReLU → pond] * 5 → [full connection] * 4 → Softmax, Input layer directly receives the good data of above-mentioned pretreatment.3 groups of wave filters are designed in first convolutional layer to correspond to 3 introduces a collection numbers According to the feature of type, every group of wave filter is only connected with a kind of data type feature, and every group of wave filter includes 20 wave filters, so Not only enhance specific aim filtering but also reduce number of parameters.The activation primitive of neuron is used without saturated characteristic and easily had in network There are the PReLU functions of more preferable convergence property, output unit uses Softmax, and cost function uses corresponding Softmax graders Cost.In view of the magnanimity of cable monitoring data, parameter training algorithm uses efficient Adam algorithms, optimizes network with this In link weight parameter between each layer, complete supervised learning process, be the ginseng in convolutional network by maintenance decision Knowledge Internalization Number, obtains the convolutional neural networks model trained.
Preferably, the convolutional neural networks model that trains described in being utilized in step 103 is to the power cable that gathers in real time Data are analyzed and excavated, and obtain the probabilistic information of output layer, the running status according to the probabilistic information to power cable Evaluated, and maintenance warning information is pushed to administrative staff according to evaluation result.
Preferably, wherein the push mode of the maintenance warning information includes:System internal message, short message and phone.
In embodiments of the present invention, using the above-mentioned convolutional neural networks model trained, to for certain section of cable The measured data of collection is analyzed and excavated, and cable running status is commented according to the probabilistic information of Softmax output layers Valency, evaluate and be identified with five danger classes of ABCDE.A identifies degree of danger highest, may be broken down in 1 hour, B For 24 hours, C was 72 hours, and D is one week, and E is one month.Based on this danger classes, to the fortune belonging to different cut cables Tie up unit and responsible person concerned and push maintenance early warning letter with various ways such as management system internal information, SMS, phones Breath.
Fig. 2 is to overhaul early warning system 200 according to the cable based on heterogeneous data comprehensive analysis of embodiment of the present invention Structural representation.As shown in Fig. 2 the maintenance early warning system of the cable based on heterogeneous data comprehensive analysis of embodiment of the present invention 200 include:Data processing unit 201, model acquiring unit 202 and maintenance prewarning unit 203.Preferably, in data processing list Power cable data comprising heterogeneous data are handled by member 201, obtain the power cable data of standardization and tape identification, Wherein, the power cable data include:Cable attribute and status data, channel environment data and cable status evaluating data.
Preferably, wherein the power cable data comprising heterogeneous data are handled by the data processing unit 201, The power cable data of standardization and tape identification are obtained, including:
The power cable data comprising heterogeneous data are filled using average completion method;
Continuous treatment is carried out to the power cable data after filling, using integer Shift Method by the power cable of discrete type Data are converted to the power cable data of continuous type;
The power cable data of the continuous type are normalized, obtain the power cable number after normalized According to;
Power cable data after the normalized are carried out, from mark processing, the overhaul data of power cable to be believed Breath is associated with the power cable data after normalized, obtains the power cable data of standardization and tape identification.
Preferably, wherein the power cable data to the continuous type are normalized, including:
X_new=(x-x_min)/(x_max-x_min),
Wherein, x_new be normalized after current attribute value;X_min is the minimum value of current attribute;x_max For the maximum of current attribute;X is the value of current attribute.
Preferably, in model acquiring unit 202, convolution is used using the power cable data of the standardization and tape identification Neutral net exercises supervision study, is the parameter in convolutional network by maintenance decision Knowledge Internalization, obtains the convolution god trained Through network model.
Preferably, wherein the model acquiring unit 202, is adopted using the power cable data of the standardization and tape identification Exercised supervision study with convolutional neural networks, be the parameter in convolutional network by maintenance decision Knowledge Internalization, obtain what is trained Convolutional neural networks model, including:
Exercised supervision study using convolutional neural networks, in the input layer input standardization and the power cable of tape identification Data, to it is described standardization and tape identification power cable data carry out the first preset times threshold value convolution, PReLU activation and Pondization processing, the power cable data by convolution, PReLU activation and pondization processing are subjected to the complete of the second preset times threshold value Connection is handled, and result is exported using Softmax graders, is the ginseng in convolutional network by maintenance decision Knowledge Internalization Number, obtains the convolutional neural networks model trained.
Preferably, wherein using Adam algorithm optimizations using convolutional neural networks exercise supervision study in variety of processes it Between link weight parameter.
Preferably, in maintenance prewarning unit 203, using the convolutional neural networks model trained to gathering in real time Power cable data are analyzed and excavated, and obtain the probabilistic information of output layer, according to the probabilistic information to power cable Running status is evaluated, and pushes maintenance warning information to administrative staff according to evaluation result.
Preferably, wherein the push mode of the maintenance warning information includes:System internal message, short message and phone.
The maintenance early warning system 200 of the cable based on heterogeneous data comprehensive analysis of embodiments of the invention is another with the present invention's Cable based on the heterogeneous data comprehensive analysis maintenance method for early warning 100 of one embodiment is corresponding, will not be repeated here.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as What subsidiary Patent right requirement was limited, except the present invention other embodiments disclosed above equally fall the present invention's In the range of.
Normally, all terms used in the claims are all solved according to them in the usual implication of technical field Release, unless clearly being defined in addition wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein Step need not all be run with disclosed accurately order, unless explicitly stated otherwise.

Claims (12)

1. a kind of cable maintenance method for early warning based on heterogeneous data comprehensive analysis, it is characterised in that methods described includes:
Power cable data comprising heterogeneous data are handled, obtain the power cable data of standardization and tape identification, its In, the power cable data include:Cable attribute and status data, channel environment data and cable status evaluating data;
Exercised supervision study using convolutional neural networks using the power cable data of the standardization and tape identification, maintenance is determined Plan Knowledge Internalization is the parameter in convolutional network, obtains the convolutional neural networks model trained;
The power cable data gathered in real time are analyzed and excavated using the convolutional neural networks model trained, are obtained The probabilistic information of output layer is taken, the running status of power cable is evaluated according to the probabilistic information, and is tied according to evaluation Fruit pushes maintenance warning information to administrative staff.
2. according to the method for claim 1, it is characterised in that the described pair of power cable data comprising heterogeneous data are carried out Processing, the power cable data of standardization and tape identification are obtained, including:
The power cable data comprising heterogeneous data are filled using average completion method;
Continuous treatment is carried out to the power cable data after filling, using integer Shift Method by the power cable data of discrete type Be converted to the power cable data of continuous type;
The power cable data of the continuous type are normalized, obtain the power cable data after normalized;
To after the normalized power cable data carry out from mark processing, by the overhaul data information of power cable with Power cable data after normalized are associated, and obtain the power cable data of standardization and tape identification.
3. according to the method for claim 2, it is characterised in that the power cable data to the continuous type are returned One change is handled, including:
X_new=(x-x_min)/(x_max-x_min),
Wherein, x_new be normalized after current attribute value;X_min is the minimum value of current attribute;X_max is to work as The maximum of preceding attribute;X is the value of current attribute.
4. according to the method for claim 1, it is characterised in that it is described using it is described standardization and tape identification power cable Data are exercised supervision study using convolutional neural networks, are the parameter in convolutional network by maintenance decision Knowledge Internalization, are obtained instruction The convolutional neural networks model perfected, including:
Exercised supervision study using convolutional neural networks, in the input layer input standardization and the power cable number of tape identification According to the standardization and convolution, PReLU activation and the pond of power cable data the first preset times threshold value of progress of tape identification Change is handled, and the power cable data by convolution, PReLU activation and pondization processing are carried out into the complete of the second preset times threshold value connects Processing is connect, and result is exported using Softmax graders, is the ginseng in convolutional network by maintenance decision Knowledge Internalization Number, obtains the convolutional neural networks model trained.
5. according to the method for claim 4, it is characterised in that carried out using Adam algorithm optimizations using convolutional neural networks Link weight parameter in supervised learning between variety of processes.
6. according to the method for claim 1, it is characterised in that the push mode of the maintenance warning information includes:System Inside story, short message and phone.
7. a kind of cable maintenance early warning system based on heterogeneous data comprehensive analysis, it is characterised in that the system includes:
Data processing unit, for handling the power cable data comprising heterogeneous data, obtain standardization and tape identification Power cable data, wherein, the power cable data include:Cable attribute and status data, channel environment data and electricity Cable state evaluation data;
Model acquiring unit, for being carried out using the power cable data of the standardization and tape identification using convolutional neural networks Supervised learning, it is the parameter in convolutional network by maintenance decision Knowledge Internalization, obtains the convolutional neural networks model trained;
Prewarning unit is overhauled, for the convolutional neural networks model that is trained described in utilization to the power cable data that gather in real time Analyzed and excavated, obtain the probabilistic information of output layer, the running status of power cable is carried out according to the probabilistic information Evaluation, and maintenance warning information is pushed to administrative staff according to evaluation result.
8. system according to claim 7, it is characterised in that the data processing unit, to the electricity comprising heterogeneous data Power cable data is handled, and obtains the power cable data of standardization and tape identification, including:
The power cable data comprising heterogeneous data are filled using average completion method;
Continuous treatment is carried out to the power cable data after filling, using integer Shift Method by the power cable data of discrete type Be converted to the power cable data of continuous type;
The power cable data of the continuous type are normalized, obtain the power cable data after normalized;
To after the normalized power cable data carry out from mark processing, by the overhaul data information of power cable with Power cable data after normalized are associated, and obtain the power cable data of standardization and tape identification.
9. system according to claim 8, it is characterised in that the power cable data to the continuous type are returned One change is handled, including:
X_new=(x-x_min)/(x_max-x_min),
Wherein, x_new be normalized after current attribute value;X_min is the minimum value of current attribute;X_max is to work as The maximum of preceding attribute;X is the value of current attribute.
10. system according to claim 7, it is characterised in that the model acquiring unit, utilize the standardization and band The power cable data of mark are exercised supervision study using convolutional neural networks, are in convolutional network by maintenance decision Knowledge Internalization Parameter, obtain the convolutional neural networks model trained, including:
Exercised supervision study using convolutional neural networks, in the input layer input standardization and the power cable number of tape identification According to the standardization and convolution, PReLU activation and the pond of power cable data the first preset times threshold value of progress of tape identification Change is handled, and the power cable data by convolution, PReLU activation and pondization processing are carried out into the complete of the second preset times threshold value connects Processing is connect, and result is exported using Softmax graders, is the ginseng in convolutional network by maintenance decision Knowledge Internalization Number, obtains the convolutional neural networks model trained.
11. system according to claim 10, it is characterised in that entered using Adam algorithm optimizations using convolutional neural networks Link weight parameter in row supervised learning between variety of processes.
12. system according to claim 7, it is characterised in that the push mode of the maintenance warning information includes:System Inside story, short message and phone.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108427986A (en) * 2018-02-26 2018-08-21 中车青岛四方机车车辆股份有限公司 A kind of production line electrical fault prediction technique and device
CN108537415A (en) * 2018-03-20 2018-09-14 深圳市泰和安科技有限公司 A kind of distribution method, the apparatus and system of online safety utilization of electric power
CN109325537A (en) * 2018-09-26 2019-02-12 深圳供电局有限公司 Power utilization management method and device, computer equipment and storage medium
CN109359866A (en) * 2018-10-17 2019-02-19 平安国际融资租赁有限公司 Risk hidden danger monitoring method, device and computer equipment based on leased equipment
CN109921515A (en) * 2019-03-12 2019-06-21 上海荷福人工智能科技(集团)有限公司 A kind of overall power distribution management system
CN111445103A (en) * 2020-02-25 2020-07-24 国网河南省电力公司电力科学研究院 Power transmission cable production quality management feedback system based on industrial internet
CN113032458A (en) * 2021-03-23 2021-06-25 中国人民解放军63920部队 Method and device for determining abnormality of spacecraft
CN113657437A (en) * 2021-07-08 2021-11-16 中国南方电网有限责任公司 Power grid maintenance alarm confirmation method and system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150213302A1 (en) * 2014-01-30 2015-07-30 Case Western Reserve University Automatic Detection Of Mitosis Using Handcrafted And Convolutional Neural Network Features
CN105426908A (en) * 2015-11-09 2016-03-23 国网冀北电力有限公司信息通信分公司 Convolutional neural network based substation attribute classification method
CN106203741A (en) * 2016-08-10 2016-12-07 国家电网公司 Multi-element heterogeneous Data Cleaning Method for network load prediction
CN106251059A (en) * 2016-07-27 2016-12-21 中国电力科学研究院 A kind of cable status appraisal procedure based on probabilistic neural network algorithm
CN106651188A (en) * 2016-12-27 2017-05-10 贵州电网有限责任公司贵阳供电局 Electric transmission and transformation device multi-source state assessment data processing method and application thereof
CN106844425A (en) * 2016-12-09 2017-06-13 国网北京市电力公司 The data handling system of pipeline and cable
CN107145675A (en) * 2017-05-17 2017-09-08 国网天津市电力公司 Diagnosing fault of power transformer device and method based on BP neural network algorithm

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150213302A1 (en) * 2014-01-30 2015-07-30 Case Western Reserve University Automatic Detection Of Mitosis Using Handcrafted And Convolutional Neural Network Features
CN105426908A (en) * 2015-11-09 2016-03-23 国网冀北电力有限公司信息通信分公司 Convolutional neural network based substation attribute classification method
CN106251059A (en) * 2016-07-27 2016-12-21 中国电力科学研究院 A kind of cable status appraisal procedure based on probabilistic neural network algorithm
CN106203741A (en) * 2016-08-10 2016-12-07 国家电网公司 Multi-element heterogeneous Data Cleaning Method for network load prediction
CN106844425A (en) * 2016-12-09 2017-06-13 国网北京市电力公司 The data handling system of pipeline and cable
CN106651188A (en) * 2016-12-27 2017-05-10 贵州电网有限责任公司贵阳供电局 Electric transmission and transformation device multi-source state assessment data processing method and application thereof
CN107145675A (en) * 2017-05-17 2017-09-08 国网天津市电力公司 Diagnosing fault of power transformer device and method based on BP neural network algorithm

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108427986A (en) * 2018-02-26 2018-08-21 中车青岛四方机车车辆股份有限公司 A kind of production line electrical fault prediction technique and device
CN108537415A (en) * 2018-03-20 2018-09-14 深圳市泰和安科技有限公司 A kind of distribution method, the apparatus and system of online safety utilization of electric power
CN109325537A (en) * 2018-09-26 2019-02-12 深圳供电局有限公司 Power utilization management method and device, computer equipment and storage medium
CN109359866A (en) * 2018-10-17 2019-02-19 平安国际融资租赁有限公司 Risk hidden danger monitoring method, device and computer equipment based on leased equipment
CN109359866B (en) * 2018-10-17 2024-05-03 塔比星信息技术(深圳)有限公司 Risk hidden danger monitoring method and device based on leasing equipment and computer equipment
CN109921515A (en) * 2019-03-12 2019-06-21 上海荷福人工智能科技(集团)有限公司 A kind of overall power distribution management system
CN111445103A (en) * 2020-02-25 2020-07-24 国网河南省电力公司电力科学研究院 Power transmission cable production quality management feedback system based on industrial internet
CN111445103B (en) * 2020-02-25 2023-01-31 国网河南省电力公司电力科学研究院 Power transmission cable production quality management feedback system based on industrial internet
CN113032458A (en) * 2021-03-23 2021-06-25 中国人民解放军63920部队 Method and device for determining abnormality of spacecraft
CN113657437A (en) * 2021-07-08 2021-11-16 中国南方电网有限责任公司 Power grid maintenance alarm confirmation method and system
CN113657437B (en) * 2021-07-08 2024-04-19 中国南方电网有限责任公司 Power grid overhaul alarm confirmation method and system

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