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CN109961192A - Object event prediction technique and device - Google Patents

Object event prediction technique and device Download PDF

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Publication number
CN109961192A
CN109961192A CN201910267176.6A CN201910267176A CN109961192A CN 109961192 A CN109961192 A CN 109961192A CN 201910267176 A CN201910267176 A CN 201910267176A CN 109961192 A CN109961192 A CN 109961192A
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prediction
object event
reference data
data
time
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CN109961192B (en
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崔艾军
郭洪源
王硕
胡海峰
赵世龙
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Beijing Jozzon Cas Software Co ltd
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Nanjing Zhongke Nine Chapter Information Technology Co Ltd
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Abstract

The embodiment of the present invention provides a kind of object event prediction technique and device.The described method includes: obtaining the reference data of the object event of target area;Wherein, the target area includes at least two subregions, and the reference data is the number that the object event occurs in previous predetermined period of object time for the subregion;The reference data includes the data of at least two groups difference predetermined time;The reference data is input to preset prediction model, the predetermined time of the object event in the latter predetermined period of object time is obtained, the prediction data of the prediction number of the object event occurs in each subregion.Object event prediction technique provided in an embodiment of the present invention and device can predict the bad weathers such as thunder and lightning in aviation operation field.

Description

Object event prediction technique and device
Technical field
The present embodiments relate to technical field of data processing more particularly to a kind of object event prediction technique and devices.
Background technique
In recent years, as Civil Aviation Industry rapidly develops, air transportation amount is sharply increased, and all kinds of flight sortie of taking off and landing numbers continue Increase.While air transportation amount increases, the efficiency and safety of AIRLINE & AIRPORT are also required to improve and protect evident.Specifically, civil aviaton Flight operation is higher to the degree of dependence of weather, and the delay of flight caused by adverse weather accounts for very big in entire flight delay amount Ratio, and thunder and lightning weather on it is delayed influence be particularly acute.
Thunder and lightning is the strong electric discharge phenomena in nature, itself belongs to explosive natural hazard, is mainly shown as with thunder It rings, the electric discharge phenomena of lightning, and under the conditions of different atural objects, and there are different thunders and lightnings to show.From the general atural object condition of lightening activity From the point of view of, building, receiving antenna, transmission line of electricity, big tree and other equipment for having point discharge characteristic are isolated in field, Vulnerable to lightning stroke;Especially for equipment such as electronization, informationizations, harm performance is more obvious.
By taking current Civil Aviation Airport as an example, modernizes in airport construction and be gradually introduced more electronic equipment, such as runway Navigation equipment, programme-controlled exchange command equipment, satellite receiving equipment, command centre's equipment, high frequency transceiver, thunder in control tower Up to equipment, automatic message switching equipment and microwave telecommunication devices etc., these electronic equipments keep higher sensibility to thunder and lightning.Though The performance of right current electronic device is constantly enhanced, adjusts, but due to being both needed to control within the scope of certain voltage in its operation, institute To be difficult to cope with for thunder and lightning bring high pressure;It when electronic equipment is in operating status, is influenced by lightning stroke, it is likely that straight Existing equipment damage problem is picked out, therefore related data documented by electronic equipment may also disappear, it will affect airport overall operation, It is severely impacted aircraft safety.
Meanwhile if lightning stroke occurs in the operation process of airport will also result in serious accident.
Currently, the traffic management means that civil aviaton field uses generally include strategic phases and tactics stage.Strategic phases Work is to reasonably adjust route structure, when reasonable arrangement formulates the flight of timetable table and flight proxima luce (prox. luc) to non-periodically flight Quarter is coordinated.The work in tactics stage mainly when bad weather occurs, generally takes plan suitable the flight not taken off Prolong, the flight to have taken off is generally taken and increases flight interval, spiraling in the air waits or make preparation for dropping to measures such as designated airports; And when flow is excessive in control zone, sector is increased in time, limits other regulatory area aircrafts into this regulatory area time.For The work for effectively completing the tactics stage, need to predict boisterous.
Therefore, in the prior art, prediction boisterous to thunder and lightning etc. is of great significance to aviation operation.
Summary of the invention
The embodiment of the present invention provides a kind of object event prediction technique and device, in aviation operation field to thunder and lightning etc. Bad weather is predicted.
On the one hand, the embodiment of the present invention provides a kind of object event prediction technique, which comprises
Obtain the reference data of the object event of target area;Wherein, the target area includes at least two subregions, The reference data is the number that the object event occurs in previous predetermined period of object time for the subregion;Institute State the data that reference data includes at least two groups difference predetermined time;
The reference data is input to preset prediction model, obtains the object event after object time The predetermined time in one predetermined period, the prediction that the prediction number of the object event occurs in each subregion Data;Wherein, the prediction model is to carry out what deep learning obtained to the history reference data of the target area.
On the one hand, the embodiment of the present invention provides a kind of object event prediction meanss, and described device includes:
Obtain module, the reference data of the object event for obtaining target area;Wherein, the target area includes extremely Few two sub-regions, the reference data are that in previous predetermined period of object time the target occurs for the subregion The number of event;The reference data includes the data of at least two groups difference predetermined time;
Prediction module obtains the object event for the reference data to be input to preset prediction model In each subregion the object event occurs for the predetermined time in the latter predetermined period of object time Predict the prediction data of number;Wherein, the prediction model is to carry out depth to the history reference data of the target area What acquistion was arrived.
On the other hand, the embodiment of the invention also provides a kind of electronic equipment, including memory, processor, bus and The computer program that can be run on a memory and on a processor is stored, the processor is realized above-mentioned when executing described program Step in object event prediction technique.
In another aspect, being stored thereon with the embodiment of the invention also provides a kind of non-transient computer readable storage medium Computer program realizes the step in above-mentioned object event prediction technique when described program is executed by processor.
Object event prediction technique provided in an embodiment of the present invention and device, by the object event for obtaining target area Reference data, and the reference data is input to preset prediction model, the object event is obtained in object time The latter predetermined period in the predetermined time, the prediction number of the object event occurs in each subregion Prediction data takes in advance object event corresponding precautionary measures based on prediction data, reduces the unfavorable shadow of object event bring It rings;Especially the bad weathers such as thunder and lightning are predicted in aviation operation field, on the one hand stops dangerous operation, avoids safety Accident;On the other hand when flight is delayed generation, passenger caused by the flight delay of deployment scheme reply in advance overstocks, is detained airport The problems such as, it is ensured that passenger transport work safety is orderly, improves service guarantee quality.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.
Fig. 1 is one of the flow diagram of object event prediction technique provided in an embodiment of the present invention;
Fig. 2 is one of the first exemplary target area schematic diagram of a scenario of the embodiment of the present invention;
Fig. 3 is the two of the first exemplary target area schematic diagram of a scenario of the embodiment of the present invention;
Fig. 4 is the second exemplary GRU model schematic of the embodiment of the present invention;
Fig. 5 is the two of the flow diagram of object event prediction technique provided in an embodiment of the present invention;
Fig. 6 is one of the exemplary lightning stroke incident schematic diagram of third of the embodiment of the present invention;
Fig. 7 is the two of the exemplary lightning stroke incident schematic diagram of third of the embodiment of the present invention;
Fig. 8 is the 4th exemplary air station flight operation schematic diagram of the embodiment of the present invention;
Fig. 9 is one of the 5th exemplary jobs node schematic diagram of the embodiment of the present invention;
Figure 10 is the two of the 5th exemplary jobs node schematic diagram of the embodiment of the present invention;
Figure 11 is the structural schematic diagram of object event prediction meanss provided in an embodiment of the present invention;
Figure 12 is the structural schematic diagram of server provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair The description of known function and construction.
It should be understood that " embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment specific Feature, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction " real Apply in example " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, structure or characteristic It can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention Process constitutes any restriction.
In embodiment provided herein, it should be appreciated that " B corresponding with A " indicates that B is associated with A, can be with according to A Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information Determine B.
Fig. 1 shows a kind of flow diagram of object event prediction technique provided in an embodiment of the present invention.
As shown in Figure 1, object event prediction technique provided in an embodiment of the present invention, the method specifically include following step It is rapid:
Step 101, the reference data of the object event of target area is obtained;Wherein, the target area includes at least two Sub-regions, the reference data are that in previous predetermined period of object time the object event occurs for the subregion Number;The reference data includes the data of at least two groups difference predetermined time.
Wherein, object event can be with events such as bad weather events, such as lightning stroke, blast, heavy rain;Target area can be One region for needing to protect object event, such as airport;In order to improve precision of prediction, target area is divided into multiple Subregion.
As the first example, it is shown a target area with reference to Fig. 2, Fig. 2, is divided into 50*50 sub-regions, Mei Geju Shape region is a subregion;Each subregion is recorded as shown in the data in Fig. 2 in each subregion, in reference data in mesh Mark the number that object event occurs in moment previous predetermined period;By taking object event is lightning stroke incident as an example, then reference data In be recorded as the number that each subregion is struck by lightning within the above-mentioned period, show 1 lightning stroke incident hair in the first row first Raw, the first row second is shown 7 lightning stroke incidents and is occurred.
Predetermined period is the preset period, by the reference data of the previous predetermined period of object time, predicts mesh Mark the related data of moment next cycle;And the reference data includes the data of at least two groups difference predetermined time, every group There is time continuity between data.
At least two predetermined times have can be preset in each predetermined period, and each predetermined period has one group of data.Than Such as, predetermined period is one hour, and is used as a predetermined time at interval of ten minutes, then six groups of data are shared in reference data.
Step 102, the reference data is input to preset prediction model, obtains the object event in target The predetermined time in the latter predetermined period at moment, the prediction time that the object event occurs in each subregion Several prediction data;Wherein, the prediction model is to carry out deep learning to the history reference data of the target area to obtain 's.
Wherein, prediction model is to carry out what deep learning obtained to the history reference data of the target area, history ginseng Examine reference data of the data i.e. target area in predetermined period before;Using the form of big data, to history reference data Deep learning is carried out, constantly training pattern and Optimized model, finally obtain the prediction model for meeting default precise requirements, in advance If in precise requirements may include the specific value to precise requirements, such as 99%;Reference data is input to the prediction mould Type, the prediction data of next predetermined period after obtaining object time.Corresponding in prediction data includes each predetermined time Data, prediction of the data, that is, object event in each subregion frequency.
Still referring to Figure 2, the reference data in Fig. 2 is input in prediction model, obtains prediction data;By prediction data In one group correspond in target area after, the schematic diagram of target area is as shown in Figure 3;In Fig. 3, the prediction of a certain predetermined time It is indicated in data, predicts once lightning stroke incident generation respectively in the 3rd, 4 column of the first row;Have in the 3rd column prediction of the second row Lightning stroke incident occurs three times, in the 4th column prediction once lightning stroke incident generation of the second row.
After obtaining the prediction data of the next predetermined period in target area, corresponding prevention can be taken to arrange according to prediction data It applies, studies and judges deployment in advance, respond actively adverse effect.
In the above embodiment of the present invention, the reference data of the object event by obtaining target area, and by the reference Data are input to preset prediction model, obtain institute of the object event in the latter predetermined period of object time It states predetermined time, the prediction data of the prediction number of the object event occurs in each subregion, so as to based on prediction Data take in advance object event corresponding precautionary measures, reduce object event bring adverse effect;Especially in aviation operation The bad weathers such as thunder and lightning are predicted in field, are on the one hand stopped dangerous operation, are avoided safety accident;On the other hand it is navigating When class's delay occurs, passenger caused by the flight delay of deployment scheme reply in advance overstocks, is detained the problems such as airport, it is ensured that Lv Keyun Defeated work safety is orderly, improves service guarantee quality.
Optionally, in the above embodiment of the present invention, which comprises
By the history reference data one archetype of training, the prediction model is obtained.
Wherein, history reference data, that is, reference data of the target area in predetermined period before;It is with object event For lightning stroke incident, the history Thundercloud data in the specific airfield protective area of many years are collected as example reference data.It adopts With the form of big data, deep learning is carried out to history reference data, constantly training pattern and Optimized model, finally obtain symbol Close the prediction model of precise requirements.
Specifically, described the step of training an archetype by the history reference data, obtaining the prediction model, Include:
First history reference data are input to the archetype and obtain tentative prediction data by the first step;Described first History reference data are the reference data in a historical forecast period;
Second step carries out the archetype by the second history reference data and the tentative prediction data reversed Optimization, the model after being optimized;Wherein, the second history reference data are next prediction week in the historical forecast period The reference data of phase;
Next first history reference data iteration after current reference data is input to the mould after the optimization by third step Type, and Reverse optimization is carried out, until the number of iterations or precision of prediction meet preset rules, obtain the prediction model.
Wherein, after obtaining history reference data, history reference data are different according to the historical forecast period belonged to Classify.In the first step, in the historical forecast period determined first against one, the history reference number in historical forecast period is obtained According to the first history reference data are input to the archetype and obtain tentative prediction data, just by i.e. the first history reference data Walk the prediction data of next predetermined period that prediction data is the current historical forecast period;In second step, next prediction week is obtained The second history reference data (i.e. real data) of phase, pass through the gap between the second history reference data and tentative prediction data Reverse optimization is carried out to the archetype, adjusts archetype, makes the prediction data of the archetype output to true number According to drawing close.Next first history reference data iteration after current reference data is input to the mould after the optimization by third step Type, circulation execute above-mentioned training, optimization process and obtain the prediction mould until the number of iterations or precision of prediction meet preset rules Type.
Optionally, the archetype is gating cycle unit GRU model.
Wherein, gating cycle unit (Gated Recurrent Unit, GRU) is a kind of common gating cycle nerve net Network (Gated Recurrent Neural Network, GRNN), GRNN can time step distances preferably in pull-in time sequence Biggish dependence.
As the second example, referring to fig. 4, Fig. 4 show coding (the encoder)-decoding of a GRU based on deep learning (decoder) network model, basic framework are as shown in Figure 4;Wherein Xi (x1, x2, x3, x4, x5, x6, x7, x8, x9, x10) is total 10 frame data are input variable, and every frame data are one group of reference data, are prefixed time interval between every frame data;
Totally 10 frame data are output variable to Yi (y1, y2, y3, y4, y5, y6, y7, y8, y9, y10), between every frame data It also is the prefixed time interval.
Xi, Yi are the sample data with certain time interval, and are the matrix-vector of 50*50.
Still by taking airport is anti-lightning strike as an example, the time interval of every frame reference data is TCLIP minutes, for example x1 is current predictive The reference data at the first TCLIP moment in period, y1 are the prediction data at the first TCLIP moment of next predetermined period;x2 For the reference data at the 2nd TCLIP moment in current predictive period, y2 is the pre- of the 2nd TCLIP moment of next predetermined period Measured data.
Cascade encoder and decoder several n protects thunderstorm time (TMAX/) TCLIP to determine by airport longest, Such as such as TMAX is 60 minutes, TCLIP 6, then 10) n takes.
In this way, the following TMAX hours thunder and lightning situations after prediction current time, using this encoder-decoder Model realizes this prediction.
One, with reference to Fig. 2, the process for obtaining sample data is as follows:
(1) a 50*50 network centered on the center of traffic pattern is constructed, each lattice (ratio in grid Such as 1 square kilometre) it is a sub-regions, during history reference data, collect the Thundercloud on specific airport each time Data, 60 minutes before being started with Thundercloud start, and every TCLIP minutes takes a frame, until the Thundercloud end time;Have It is several that several thunders and lightnings, which fall and just mark the value of the grid within a grid, such as: there is n thunder and lightning to fall in a certain grid, just label should The value of grid is n, without thunderbolt, is then labeled as 0, thus obtains the matrix of a 50*50, the first frame data are denoted as x1.
(2) it according to the continuity of time series, is once cut according to every TCLIP minutes, TCLIP minutes data It is handled in such a way that sample data (sample data, that is, history reference data) generates, generates the matrix of a 50*50.It sees Examining window is TMAX1 hours, and label window is TMAX2 hours.
(3) it can be generated TMAX1*10 sample data in watch window TMAX1 hours, i.e. TMAX*10 50*50's Matrix;10*TMAX2 sample data, i.e., the square of TMAX2*10 50*50 can be generated in label window this TMAX2 hours Battle array.
Two, the process of model training and optimization is as follows:
(1) the history reference data based on specific airport many years, the sample data of generation is inputted into the GRU built Encoder-decoder model carries out model training;Sample data is divided into two parts, training sample data and test sample number According to.
Model carries out repetition training using training sample and tends towards stability until mean square error, using test sample to training Model optimize the training effect with observation model, finally obtain the prediction model for meeting precise requirements.
Referring to Fig. 5, the embodiment of the invention also provides another object event prediction techniques, and the method specifically includes following Step:
Step 501, the reference data of the object event of target area is obtained;Wherein, the target area includes at least two Sub-regions, the reference data are that in previous predetermined period of object time the object event occurs for the subregion Number;The reference data includes the data of at least two groups difference predetermined time.
Wherein, object event can be with bad weather event, such as lightning stroke, blast, Rainstorms;Target area can be one Need the region protected object event, such as airport;In order to improve precision of prediction, target area is divided into multiple sons Region.As the first example, it is shown a target area with reference to Fig. 2, Fig. 2, is divided into 50*50 sub-regions, each rectangle Region is a subregion, and each subregion is recorded as shown in the data in Fig. 2 in each subregion, in reference data in target The number of object event occurs in predetermined period before moment;By taking object event is lightning stroke incident as an example, then remember in reference data The number being struck by lightning within the above-mentioned period for each subregion is carried, 1 lightning stroke incident is shown in the first row first and occurs, the A line second is shown 7 lightning stroke incidents and is occurred.
Predetermined period is the preset period, by the reference data of the previous predetermined period of object time, predicts mesh Mark the related data of moment next cycle;And the reference data includes the data of at least two groups difference predetermined time, every group There is time continuity between data;At least two predetermined times, each predetermined period has can be preset in each predetermined period With one group of data.For example, predetermined period is one hour, and it was used as a predetermined time at interval of ten minutes, then reference data In share six groups of data.
Step 502, the reference data is input to preset prediction model, obtains the object event in target The predetermined time in the latter predetermined period at moment, the prediction time that the object event occurs in each subregion Several prediction data;Wherein, the prediction model is to carry out deep learning to the history reference data of the target area to obtain 's.
Wherein, prediction model is to carry out what deep learning obtained to the history reference data of the target area, history ginseng Examine reference data of the data i.e. target area in predetermined period before;Using the form of big data, to history reference data Deep learning is carried out, constantly training pattern and Optimized model, finally obtain the prediction model for meeting precise requirements;It will refer to Data are input to the prediction model, the prediction data of next predetermined period after obtaining object time.It is corresponding in prediction data Data comprising each predetermined time, prediction of the data, that is, object event in each subregion frequency.
Still referring to Figure 2, the reference data in Fig. 2 is input in prediction model, obtains prediction data;By prediction data In one group correspond in target area after, the schematic diagram of target area is as shown in Figure 3;In Fig. 3, the prediction of a certain predetermined time It is indicated in data, predicts once lightning stroke incident generation respectively in the 3rd, 4 column of the first row;Have in the 3rd column prediction of the second row Lightning stroke incident occurs three times, in the 4th column prediction once lightning stroke incident generation of the second row.
After obtaining the prediction data of the next predetermined period in target area, corresponding prevention can be taken to arrange according to prediction data It applies, studies and judges deployment in advance, respond actively adverse effect.
Step 503, for each subregion, according to the prediction data, determine the object event it is lasting when Between;Wherein, the duration be the object event at the beginning of between the end time of the object event when Between be spaced;
The time started is the predetermined time that the object event occurs for the first time in the latter predetermined period; The end time is the predetermined time that the object event occurs for the last time in the latter predetermined period.
Wherein, after obtaining prediction data, for each subregion, the duration of its object event is determined, to be directed to Object event takes corresponding precautionary measures.
The duration be the object event at the beginning of between the end time of the object event when Between be spaced;Specifically, by taking lightning stroke incident as an example, as third example, with reference to Fig. 6, the time started is the object event in institute State the predetermined time occurred in the latter predetermined period for the first time, i.e. first predetermined time occurring of lightning stroke incident, i.e., first A lightning stroke enters in the subregion in airfield protective area.
It should be noted that if first time lightning stroke incident occurs between two predetermined times, then the lightning stroke incident is drawn It is divided into previous predetermined time.
End time is the predetermined time that the object event occurs for the last time in the latter predetermined period, ginseng Fig. 7 is examined, at the time of the end time, i.e. subregion was left in the last one lightning stroke;It should be noted that if last time lightning stroke incident Occur between two predetermined times, then the lightning stroke incident is divided into the latter predetermined time.
For specific airport, the thunderstorm phase in airfield protective area is in a Thundercloud, first in airfield protective Beginning of the time point of lightning stroke as Thundercloud, the last one lightning stroke terminates as Thundercloud in airfield protective, airport Interval of the guard plot thunderstorm time between time started and end time.
Continue above-mentioned second example, is exported according to a series of total TMAX*10 Yi, can determine that the airfield protective area thunder of prediction Sudden and violent start and end time.
Design an array lighting_time_arr, the total TMAX*10 element of the array;For Yi, if there is lightning stroke point Cloth is at least one subregion that airfield protective area covers, then lighting_time_arr [i]=1, indicates prediction in (i- 1) there is lightning stroke in airfield protective area between * 6 minutes to i*6 minutes, otherwise lighting_time_arr [i]=0, indicates that prediction exists (i-1) airfield protective area is not struck by lightning between * 6 minutes to i*6 minutes.
A certain predetermined time, whole arrays are as shown in table 1:
Table 1:
0 0 1 1 1 1 1 1 0 0
Assuming that current time is T0, then the Thundercloud time started is predicted at T0+12 minutes, the end time is at T0+48 points The predetermined time that clock, i.e. first value of access group are 1 is the thunderstorm time started, and the predetermined time that the last one value is 1 is end Time.
This array will appear following several situations:
1) predict thunderstorm time started and end time all in T0 between T0+TMAX in table 2:
Table 2:
0 1 1 1 1 1 1 1 0 0
Predict that the Thundercloud time started is T0+6 minutes, the end time is T0+48 minutes.
2) table 3, current time lightning stroke are occurring, and predict the thunderstorm end time in T0 between T0+TMAX:
Table 3:
1 1 1 1 1 1 0 0 0 0
Predict that the Thundercloud end time is T0+48 minutes.
3) table 4, the prediction thunderstorm time started, the end time was after T0+TMAX in T0 between T0+TMAX:
Table 4:
0 0 1 1 1 1 1 1 1 1
The last one value of array is 1, and the prediction Thundercloud time started is T0+12, it is assumed that end time T0+12+ TMAX*60。
4) table 5, current time Thundercloud are occurring, and predict the thunderstorm end time after T0+TMAX:
Table 5:
1 1 1 1 1 1 1 1 1 1
Predict that the Thundercloud end time is T0+TMAX*60 minutes.
5) table 6, array value have 0 between 1, and prediction result ignores the 0 intermediate moment, and prediction is provided as table 2 to table 5 As a result;
Table 6:
0 0 1 1 0 1 0 1 0 0
Table 6 is converted into table 7:
Table 7:
0 0 1 1 1 1 1 1 0 0
It is obtained with the guard plot Thundercloud time of prediction according to above method, predicts that the Thundercloud time started is T0+12 minutes, the end time was T0+48 minutes.
Optionally, in the above embodiment of the present invention, after step 503, the method also includes:
According to the prediction data, the generation density of the object event is determined;The generation density is the target thing Part is in total frequency in the duration and the ratio between the duration;
According to the generation density and preset strength grade threshold value, determine the object event in the subregion Intensity occurs.
Wherein, it in order to predict the generation intensity of object event, according to prediction data, determines and density occurs;Further according to default Strength grade threshold value, determine generation intensity of the object event in the subregion;It is gone through according to strength grade threshold value What history reference data determined;Specifically, by taking lightning stroke incident as an example, Thundercloud will occur in target area to be effectively estimated Power, defines the generation density of thunderstorm, and density occurs and is measured with being struck by lightning in definition region thunderbolt frequency, in obtainable history In reference data, lightning stroke has detailed lightning stroke feature, such as location information (longitude and latitude) etc..Density occurs and is defined as airport The number that is always struck by lightning in Thundercloud holds divided by Thundercloud for guard plot (for example traffic pattern center is the center of circle, in 10KM radius circle) Continuous time (the number of minutes), such as in 3 hours Thunderclouds, 250 lightning strokes occur altogether in airfield protective area, then thunderstorm is close Degree is 250/ (3*60), i.e., 1.388 times per minute.
By taking two strength grades as an example, respectively Strong Thunderstorm grade, weak thunderstorm grade;Collect largely going through for airfield protective area History reference process (such as -2018 years 2013), shares N number of Thundercloud, the thunderstorm density Di of each Thundercloud, and statistics owns This N number of thunderstorm density, average P;After obtaining mean value P, using mean value P as threshold value, if big to a certain Thundercloud thunderstorm density In the threshold value, otherwise it is weak Thundercloud that defining the Thundercloud, which is Strong Thunderstorm process,.
Optionally, in the above embodiment of the present invention, generation of the determination object event in the subregion is strong After the step of spending, the method also includes:
Obtain the pending event of the subregion;
According to the default corresponding relationship between the generation intensity and the implementation strategy of pending event, the determining and hair The corresponding target implementation strategy of life intensity.
Wherein it is determined that object event determines subregion according to the duration after the generation intensity of each subregion Pending event determines target according to the default corresponding relationship between the generation intensity and the implementation strategy of pending event Implementation strategy.
Pending event can be the pending event in the latter predetermined period or in the duration;
By taking airport as an example, corresponding precautionary measures are taken according to prediction data, ensure operation.As the 4th example, referring to figure 8, air station flight operation mainly includes content shown in Fig. 8;Wherein, upper wheel shelves and remove wheel shelves between, respectively include shelter bridge/ladder vehicle It docks, open passenger door, opening cargo door plus the main line of several pending events such as cabin oil and engineering inspection, dividing on every main line Do not have serially and multiple is allocated as industry.
It is defined under each generation intensity in default corresponding relationship, the specific implementation strategy of pending event;Execute plan It slightly may include stopping executing, suspending execution and continue to execute.
Partial content in default corresponding relationship is as shown in table 8:
Table 8:
Optionally, in the above embodiment of the present invention, the implementation strategy includes that pause executes and/or stops executing;
The method also includes:
According to the target implementation strategy, the prediction for adjusting the pending event executes the time.
Wherein it is determined that different according to target implementation strategy, the prediction for adjusting pending event is held after target implementation strategy The row time, for example, will then need the time suspended to be added to pre- when target implementation strategy is that pause executes and/or stops executing It surveys and executes the time.
Referring to Fig. 8, still by taking the lightning stroke incident of airport as an example, from upper catch to catch is removed, there is a plurality of main line for ensureing job stream Lu Jing is parallel between them, meanwhile, within each paths, there are one or more to be allocated as industry serial, maximum therein (all on a paths serially to divide the sum of activity duration) determine removing the block time for estimation in path, and in Thunderstorm Weather condition Under, it needs to ensure that node makes new estimation to flight.
According to prediction data, at the beginning of obtained airport Thundercloud and the end time.As the 5th example, referring to Fig. 9, it is assumed that pending event P1 estimates each guarantee jobs node relationship as shown in figure 9, P1 is to stop in target implementation strategy with original Only execute, then to lightning stroke incident after, then restart P1 event, as shown in Figure 10;And main line where recalculating P1 The job stream time is finally recalculated and newly removes the wheel shelves time.
In order to effectively estimate the time point of airport Coordination Decision, is proposed in the above embodiment of the present invention and use prediction model Lightning stroke incident is predicted by the time that starts on airport, and the method for prediction Thundercloud intensity, thus to flight guarantee Process node, which is made, timely to be adjusted, and each decision-making party more efficiently can complete operations task using airport coordinated decision system.
In the above embodiment of the present invention, the reference data of the object event by obtaining target area, and by the reference Data are input to preset prediction model, obtain institute of the object event in the latter predetermined period of object time It states predetermined time, the prediction data of the prediction number of the object event occurs in each subregion, be based on prediction data Corresponding precautionary measures are taken object event in advance, reduce object event bring adverse effect;Especially in aviation operation field The bad weathers such as thunder and lightning are predicted, on the one hand stops dangerous operation, avoids safety accident;On the other hand prolong in flight When accidentally occurring, passenger caused by the flight delay of deployment scheme reply in advance overstocks, is detained the problems such as airport, it is ensured that passenger transport work Make safe and orderly, raising service guarantee quality.
Object event prediction technique provided in an embodiment of the present invention is described above, introduces the present invention below in conjunction with attached drawing The object event prediction meanss that embodiment provides.
Referring to Figure 11, the embodiment of the invention provides a kind of object event prediction meanss, described device includes:
Obtain module 111, the reference data of the object event for obtaining target area;Wherein, the target area packet At least two subregions are included, the reference data is described in the subregion occurs in previous predetermined period of object time The number of object event;The reference data includes the data of at least two groups difference predetermined time.
Wherein, object event can be with bad weather event, such as lightning stroke, blast, Rainstorms;Target area can be one Need the region protected object event, such as airport;In order to improve precision of prediction, target area is divided into multiple sons Region.As the first example, it is shown a target area with reference to Fig. 2, Fig. 2, is divided into 50*50 sub-regions, each rectangle Region is a subregion, and each subregion is recorded as shown in the data in Fig. 2 in each subregion, in reference data in target The number of object event occurs in predetermined period before moment;By taking object event is lightning stroke incident as an example, then remember in reference data The number being struck by lightning within the above-mentioned period for each subregion is carried, 1 lightning stroke incident is shown in the first row first and occurs, the A line second is shown 7 lightning stroke incidents and is occurred.
Predetermined period is the preset period, by the reference data of the previous predetermined period of object time, predicts mesh Mark the related data of moment next cycle;And the reference data includes the data of at least two groups difference predetermined time, every group There is time continuity between data;At least two predetermined times, each predetermined period has can be preset in each predetermined period With one group of data.For example, predetermined period is one hour, and it was used as a predetermined time at interval of ten minutes, then reference data In share six groups of data.
Prediction module 112 obtains the target thing for the reference data to be input to preset prediction model In each subregion the object event occurs for the predetermined time of the part in the latter predetermined period of object time Prediction number prediction data;Wherein, the prediction model is to carry out depth to the history reference data of the target area What study obtained.
Wherein, prediction model is to carry out what deep learning obtained to the history reference data of the target area, history ginseng Examine reference data of the data i.e. target area in predetermined period before;Using the form of big data, to history reference data Deep learning is carried out, constantly training pattern and Optimized model, finally obtain the prediction model for meeting precise requirements;It will refer to Data are input to the prediction model, the prediction data of next predetermined period after obtaining object time.It is corresponding in prediction data Data comprising each predetermined time, prediction of the data, that is, object event in each subregion frequency.
Still referring to Figure 2, the reference data in Fig. 2 is input in prediction model, obtains prediction data;By prediction data In one group correspond in target area after, the schematic diagram of target area is as shown in Figure 3;In Fig. 3, the prediction of a certain predetermined time It is indicated in data, predicts once lightning stroke incident generation respectively in the 3rd, 4 column of the first row;Have in the 3rd column prediction of the second row Lightning stroke incident occurs three times, in the 4th column prediction once lightning stroke incident generation of the second row.
After obtaining the prediction data of the next predetermined period in target area, corresponding prevention can be taken to arrange according to prediction data It applies, studies and judges deployment in advance, respond actively adverse effect.
Optionally, in the above embodiment of the present invention, described device includes:
Model training module, for obtaining the prediction model by the history reference data one archetype of training.
Optionally, in the above embodiment of the present invention, the model training module includes:
Tentative prediction submodule obtains tentative prediction number for the first history reference data to be input to the archetype According to;The first history reference data are the reference data in a historical forecast period;
Reverse optimization submodule, for passing through the second history reference data and the tentative prediction data to described original Model carries out Reverse optimization, the model after being optimized;Wherein, the second history reference data are the historical forecast period Next predetermined period reference data;
Iteration submodule, it is described excellent for next first history reference data iteration after current reference data to be input to Model after change, and Reverse optimization is carried out, until the number of iterations or precision of prediction meet preset rules, obtain the prediction model.
Optionally, in the above embodiment of the present invention, the archetype is gating cycle unit GRU model.
Optionally, in the above embodiment of the present invention, described device further include:
Time determining module, for being directed to each subregion,
According to the prediction data, the duration of the object event is determined;Wherein, the duration is the mesh Time interval at the beginning of mark event between the end time of the object event;
The time started is the predetermined time that the object event occurs for the first time in the latter predetermined period; The end time is the predetermined time that the object event occurs for the last time in the latter predetermined period.
Optionally, in the above embodiment of the present invention, described device further include:
Density determining module, for determining the generation density of the object event according to the prediction data;The generation Density is the object event in total frequency in the duration and the ratio between the duration;
Intensity determining module, for determining the target thing according to the generation density and preset strength grade threshold value Generation intensity of the part in the subregion.
Optionally, in the above embodiment of the present invention, the strength grade threshold value is to be determined according to the history reference data 's.
Optionally, in the above embodiment of the present invention, described device further include:
Tactful determining module, for obtaining the pending event of the subregion;
According to the default corresponding relationship between the generation intensity and the implementation strategy of pending event, the determining and hair The corresponding target implementation strategy of life intensity.
Optionally, in the above embodiment of the present invention, the implementation strategy includes that pause executes and/or stops executing;
Described device further include:
Time regulating module, when for being executed according to the prediction of the target implementation strategy, the adjustment pending event Between.
In the above embodiment of the present invention, the reference data for obtaining the object event of target area by obtaining module 111, in advance It surveys module 112 and the reference data is input to preset prediction model, obtain the object event in object time In each subregion the pre- of the prediction number of the object event occurs for the predetermined time in the latter predetermined period Measured data takes in advance object event corresponding precautionary measures based on prediction data, reduces object event bring adverse effect; Especially the bad weathers such as thunder and lightning are predicted in aviation operation field, on the one hand stops dangerous operation, avoids safe thing Therefore;On the other hand when flight is delayed generation, passenger caused by the flight delay of deployment scheme reply in advance overstocks, is detained airport etc. Problem, it is ensured that passenger transport work safety is orderly, improves service guarantee quality.
On the other hand, the embodiment of the invention also provides a kind of electronic equipment, including memory, processor, bus and The computer program that can be run on a memory and on a processor is stored, the processor is realized above-mentioned when executing described program Step in object event prediction technique.
For example as follows, when electronic equipment is server, Figure 12 illustrates a kind of entity structure signal of server Figure.
As shown in figure 12, which may include: processor (processor) 1210, communication interface (Communications Interface) 1220, memory (memory) 1230 and communication bus 1240, wherein processor 1210, communication interface 1220, memory 1230 completes mutual communication by communication bus 1240.Processor 1210 can be adjusted With the logical order in memory 1230, to execute following method:
The programme information and real-time heart rate information of the TV programme that smart television is sent are received, the programme information includes: Program play times and program identification;According to the programme information and real-time heart rate information, the broadcasting of the TV programme is obtained Procedural information.
In addition, the logical order in above-mentioned memory 1230 can be realized by way of SFU software functional unit and conduct Independent product when selling or using, can store in a computer readable storage medium.Based on this understanding, originally Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for the technical solution of invention The form of software product embodies, which is stored in a storage medium, including some instructions to So that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation of the present invention The all or part of the steps of example the method.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. it is various It can store the medium of program code.
In another aspect, being stored thereon with the embodiment of the invention also provides a kind of non-transient computer readable storage medium Computer program realizes the step in above-mentioned object event prediction technique when described program is executed by processor.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member It is physically separated with being or may not be, component shown as a unit may or may not be physics list Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features; And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (12)

1. a kind of object event prediction technique, which is characterized in that the described method includes:
Obtain the reference data of the object event of target area;Wherein, the target area includes at least two subregions, described Reference data is the number that the object event occurs in previous predetermined period of object time for the subregion;The ginseng Examine the data that data include at least two groups difference predetermined time;
The reference data is input to preset prediction model, obtains the object event in the latter of object time The predetermined time in predetermined period, the prediction number that the prediction number of the object event occurs in each subregion According to;Wherein, the prediction model is to carry out what deep learning obtained to the history reference data of the target area.
2. the method according to claim 1, wherein the described method includes:
By the history reference data one archetype of training, the prediction model is obtained.
3. according to the method described in claim 2, it is characterized in that, described pass through the history reference data one original mould of training Type, the step of obtaining the prediction model, comprising:
First history reference data are input to the archetype and obtain tentative prediction data;The first history reference data For the reference data in a historical forecast period;
Reverse optimization is carried out to the archetype by the second history reference data and the tentative prediction data, is obtained excellent Model after change;Wherein, the second history reference data are the reference number of next predetermined period in the historical forecast period According to;
Next first history reference data iteration after current reference data is input to the model after the optimization, and is carried out anti- To optimization, until the number of iterations or precision of prediction meet preset rules, the prediction model is obtained.
4. according to the method described in claim 2, it is characterized in that, the archetype is gating cycle unit GRU model.
5. the method according to claim 1, wherein described obtain the object event in the latter of object time The predetermined time in a predetermined period, the prediction number that the prediction number of the object event occurs in each subregion According to the step of after, the method also includes:
For each subregion,
According to the prediction data, the duration of the object event is determined;Wherein, the duration is the target thing Time interval at the beginning of part between the end time of the object event;
The time started is the predetermined time that the object event occurs for the first time in the latter predetermined period;It is described End time is the predetermined time that the object event occurs for the last time in the latter predetermined period.
6. according to the method described in claim 5, determining the target thing it is characterized in that, described according to the prediction data After the step of duration of part, the method also includes:
According to the prediction data, the generation density of the object event is determined;The generation density is that the object event exists Total frequency in the duration and the ratio between the duration;
According to the generation density and preset strength grade threshold value, generation of the object event in the subregion is determined Intensity.
7. according to the method described in claim 6, it is characterized in that, the strength grade threshold value is according to the history reference number According to determining.
8. according to the method described in claim 6, it is characterized in that, the determination object event is in the subregion After the step of intensity occurs, the method also includes:
Obtain the pending event of the subregion;
It is determining to occur by force with described according to the default corresponding relationship between the generation intensity and the implementation strategy of pending event Spend corresponding target implementation strategy.
9. according to the method described in claim 8, it is characterized in that, the implementation strategy includes that pause executes and/or stops holding Row;
The method also includes:
According to the target implementation strategy, the prediction for adjusting the pending event executes the time.
10. a kind of object event prediction meanss, which is characterized in that described device includes:
Obtain module, the reference data of the object event for obtaining target area;Wherein, the target area includes at least two Sub-regions, the reference data are that in previous predetermined period of object time the object event occurs for the subregion Number;The reference data includes the data of at least two groups difference predetermined time;
Prediction module obtains the object event in mesh for the reference data to be input to preset prediction model It marks the predetermined time in the latter predetermined period at moment, the prediction of the object event occurs in each subregion The prediction data of number;Wherein, the prediction model is to carry out deep learning to the history reference data of the target area to obtain It arrives.
11. a kind of electronic equipment, which is characterized in that on a memory and can be including memory, processor, bus and storage The computer program run on processor, the processor are realized when executing described program such as any one of claims 1 to 9 institute The step in object event prediction technique stated.
12. a kind of non-transient computer readable storage medium, is stored thereon with computer program, it is characterised in that: described program The step in object event prediction technique as claimed in any one of claims 1-9 wherein is realized when being executed by processor.
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