CN110138828A - Airport dynamic terminal real time data inspecting processing method - Google Patents
Airport dynamic terminal real time data inspecting processing method Download PDFInfo
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- CN110138828A CN110138828A CN201910275089.5A CN201910275089A CN110138828A CN 110138828 A CN110138828 A CN 110138828A CN 201910275089 A CN201910275089 A CN 201910275089A CN 110138828 A CN110138828 A CN 110138828A
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- data
- real time
- position data
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
- H04L67/5682—Policies or rules for updating, deleting or replacing the stored data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/164—Adaptation or special uses of UDP protocol
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
Abstract
Dynamic terminal real time data inspecting processing method in airport of the present invention, for the service application demand in civil aviaton field, establish the processing new mechanism of airport ground services personnel Yu terminal real time position data, neatly to adjust storage and transmission frequency, optimization uploads data to save space and improve treatment effeciency, meets airport ground synthesization high standard demand in use.Real time data inspecting processing method includes following steps, 1) real time position data is cached in terminal module；The position data within 5-15 minutes is written in the buffer area of terminal module in real time, while the stale data more than the time limit is removed out buffer area；2) position data is uploaded to main website by the upload frequencies of configuration；The position data uploaded every time is in the average value for uploading all position datas within interval time, and data are stored in big data platform；3) special screne, the interim upload frequencies for improving position data are directed to.
Description
Technical field
The present invention relates to the monitoring systems and its monitor processing method of a kind of airport dynamic terminal real time position data, belong to
The big data processing platform field of civil aviation transportation.
Background technique
The airport internal organizational structure in civil aviaton, country field is complex at present, in order to staff, support vehicles
And arrival & departure flights information carries out fine-grained management and regulation, needs to handle above-noted persons and mobile working terminal in real time
Position data, using as the subsequent administration base for sending the important links such as work, early warning violating the regulations.
The type and quantity of existing airport dynamic terminal real time data are more, in the premise for ensureing that real-time property requires
Under the common frequency be one second primary.It is rough calculate just to there are the data of tens GB capacity to be stored, forwarded daily and
The problem of handling, therefore being primarily present in the prior art is that acquisition terminal data are numerous, frequency acquisition is higher, the data of acquisition
It measures excessive, brings immense pressure to subsequent transmission, application, memory module.
How the raw position data of acquisition is more effectively pre-processed, directly determines scheduling system decision-making scheduling
And the final effect of subsequent historical query, early warning judgement, trace playback violating the regulations etc..
In view of this, special propose present patent application.
Summary of the invention
Dynamic terminal real time data inspecting processing method in airport of the present invention, designed for solving above-mentioned existing skill
Art there are the problem of and be directed to civil aviaton field service application demand, establish airport ground services personnel and terminal real time position number
According to processing new mechanism, neatly to adjust storage and transmission frequency, optimization uploads data to save space and improve processing effect
Rate meets airport ground synthesization high standard demand in use.
The airport dynamic terminal real time data inspecting processing method, mainly includes step performed below:
1) real time position data is cached in terminal module；
By the position data within 5-15 minutes, be written in the buffer area of terminal module in real time, while will be more than the time limit
Stale data be removed out buffer area；
2) position data is uploaded to main website by the upload frequencies of configuration；
The position data uploaded every time is in the average value for uploading all position datas within interval time, data quilt
It is stored in big data platform；
3) special screne, the interim upload frequencies for improving position data are directed to.
Further, the data communication between main website and dynamic terminal is based on udp protocol, is sent in position data with meeting
Real-time and save flow have certain requirement.Using udp protocol, one side UDP communications protocol cross-platform cross language is compatible
Different types of terminals and the different development languages such as plate, handheld terminal, industrial personal computer, single-chip microcontroller；On the other hand, UDP is without even
Connect, statelessly, the bring flow consumption that reduces communications protocol itself.
Further, sent in the step 2), step 3), on dynamic terminal into the position data of main website include with
Lower control node, initial code, Termination ID, control word, longitude, latitude, speed, direction, sequence number and end code.
Based on identical design concept, in the step 2), step 3), main website is assigned to be sent in terminal change position data
In the order data of frequency include following control node, initial code, Termination ID, control word, on send frequency, sequence number and end
Code.
To sum up content, the airport dynamic terminal real time data inspecting processing method have the advantage, that
1, frequency and special screne is sent temporarily to improve terminal in buffer control position data by doing in terminal installation
The mode that frequency is sent in position data reduces the performance pressures such as main station system bandwidth, CPU, and ensure that upper layer application system
To the high density position data demand of special screne.
2, mass historical data is led to the problem of great amount of terminals device longtime running, is daily divided automatically using Oracle
The scheme of design and historical data the Hadoop storage in area, and model optimization is multiplexed by IO, solve history number
According to the network speed pressure of storage, inquiry and playback.
3, model is multiplexed using IO, real time data processing efficiency is preferably improved using cpu resource.
4, Protobuf frame high compression mode is used in transmission data, has effectively achieved the real-time big data in airport
Transmission and storage, data-handling efficiency is higher, so that terminal APP and webpage client are when in use without obvious delay.
Detailed description of the invention
Fig. 1 is airport dynamic terminal real time data inspecting processing system schematic diagram；
Fig. 2 is the flow chart of airport dynamic terminal real time data inspecting processing method；
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1, as depicted in figs. 1 and 2, the airport dynamic terminal real time data inspecting processing system, using Java
EE system is requested between difference deployment node using Http with reference to micro services framework is used in terms of functional module cutting deployment
It is communicated with MQ mode.
From function division, real time data inspecting processing system is divided into following main modular:
Main website is core business subsystem, is responsible for scheduling and sends the management business such as work, directly interacts with terminal and under terminal
Up to the data for instructing and receiving terminal upload；
Entirety instant communication information transmitting-receiving process is responsible on instant messaging backstage；
Big data platform, daily auto-partition storage real time data is in case inquiry and playback；
Radio station level ground message backstage, is responsible for vehicle, personnel, aviation aircraft real time position condition managing；
GPS server-side, provides Map Services；
Terminal module is mounted in personnel and dynamic terminal, is responsible for terminal traffic feature operation.
Based on above-mentioned real time data inspecting processing system, it is logical to install or be carried on flight, vehicle and the dynamic terminal of personnel
It crosses GPS server-side and obtains real-time position data.
In the storage of data, the application uses the design of Oracle daily auto-partition in big data platform, with
And the scheme of historical data Hadoop storage, to cope with the magnanimity real time position data generated daily, avoid because being set using single table
Count and cause the explosion of single table using problem, ensure the complete and accuracy of historical query；
For the storage date, position data since visitation frequency is lower is then synchronized by Sqoop and is imported into earlier
In Hadoop cluster.
The airport dynamic terminal real time data inspecting processing method includes step performed below:
1) real time position data is cached in terminal module；
The position data within 10 minutes can be cached on terminal module, and latest position data is written delays in real time
It deposits in area, the stale data more than the time limit is removed out buffer area；
2) position data is uploaded to main website by the upload frequencies of configuration；
Per second, every 2 seconds, the every five seconds frequency can be such as selected according to demand, and the position data uploaded every time is when uploading interval
Between within position data average value；Big data platform is uniformly stored in by main website, it is same thus great amount of terminals can be solved
When to main website send the transmission that brings of high-frequency data and storage pressure.
3) special screne, the interim upload frequencies for improving position data are directed to；
Targeted special screne refers to the scene for needing to obtain flight, vehicle and the high density of personnel location information.I.e.
Judge whether flight, vehicle and personnel are in special screne by real-time location information；
If being in special screne, the interim upload frequencies for improving position data.
The special screne includes but are not limited to following scene:
Scene one judges vehicle whether within aircraft effective range, i.e., calculate in real time vehicle and aircraft it
Between positional distance；
When the position of vehicle and aircraft is less than 100 meters, main website, which issues an order, will send frequency tune on location data of terminals
It is 10 times up to per second；When vehicle and aircraft position are greater than 100 meters again, main website issues an order send frequency retrieval to every by
Second 1 time.
Scene two judges whether vehicle possibility violating the regulations occurs；Such as when car speed is more than 30,000 ms/h or vehicle
When position is in limited area (within the scope of the longitude and latitude that limited area is configured by main website), main website issues an order terminal
Frequency is sent to improve to 10 times per second in position data；When car speed is again less than 30,000 ms/h and vehicle location is not limiting
When determining within region, main website issues an order to send frequency retrieval to 1 time per second by.
Scene three judges whether aircraft is in into and out of seat in the plane；Such as judge aircraft GPS velocity be greater than 0, aircraft with
When 50 meters of little Yu of the distance between seat in the plane center (longitude and latitude of seat in the plane center is technically configured in main website), main website
It issues an order so that frequency will be sent to be turned up to 10 times per second on location data of terminals；When aircraft GPS velocity is equal to 0 or aircraft
When the distance between seat in the plane center is greater than 50 meters, main website issues an order to send frequency retrieval to 1 time per second by.
In above-mentioned steps 2), in step 3), send mode using wireless network on real time position data, i.e., assisted using UDP
View carries out the communication between main website and dynamic terminal, has certain want to meet the real-time sent in position data and save flow
It asks.
In terms of data format, following self-defined stipulations can be used.
1, send the data frame format to the position data of main website as follows in terminal:
| Initial code | Termination ID | Control word | Longitude | Latitude | Speed | Direction | Sequence number | End code |
| 5AH | 4 bytes | 01H | 4 bytes | 4 bytes | 4 bytes | 4 bytes | 4 bytes | A5H |
Wherein, initial code is fixed as mono- byte of 5AH；Termination ID, is the unsigned int of 4 bytes, high byte preceding,
Low byte is rear；Control word indicates that terminal send position data in main website with 01H；Longitude, latitude, speed and direction are 4
The real-coded GA of a byte；Sequence number, is the signless integer of 4 bytes, and terminal every time sends this number plus 1；End code,
It is fixed as a byte of A5H.
After main website receives the position data message sent in terminal, following message is responded to indicate " having received ":
| Initial code | Termination ID | Control word | Sequence number | End code |
| 5AH | 4 bytes | 01H | 4 bytes | A5H |
Specific data frame format is the specific sequence number that a certain terminal that Serial No. main website receives is sent, and is passed through
The sequence number come distinguish same terminal it is multiple on the position data sent.If not received after position data 3 seconds that terminal is sent to main website
It is replied to main website, then this position data message was retransmited to primary, at most repetition transmission 5 times every 3 seconds.If terminal continuous 3
Secondary transmission position data does not receive main website reply, then recording exceptional log.
2, main website is assigned send the order data frame of frequency as follows in terminal change position data:
| Initial code | Termination ID | Control word | On send frequency | Sequence number | End code |
| 5AH | 4 bytes | 02H | 4 bytes | 4 bytes | A5H |
Wherein, initial code is a fixed byte of 5AH；Termination ID, is the unsigned int of 4 bytes, and high byte exists
Before, low byte is rear；Control word send frequency for 02H to indicate that main website order terminal changes in position data, main website is set upper
Sending frequency is the unsigned int of 4 bytes, and for high byte in preceding, low byte rear, unit is time/every millisecond；Sequence number is 4
The signless integer of a byte, main website every time send this number plus 1；End code is a fixed byte of A5H.
Terminal receive main website change position data on send the message of frequency after, respond following message:
| Initial code | Termination ID | Control word | Sequence number | End code |
| 5AH | 4 bytes | 02H | 4 bytes | A5H |
Data frame format is sequence number, is a certain specific sequence number for the main website transmission that terminal receives, by sequence number come area
The 02H instruction that point main website is repeatedly sent；If main website sends in 3 seconds after 02H instruction to terminal and do not receive terminal replies, it incite somebody to action this
02H instruction retransmited primary every 3 seconds, at most repeated to send 5 times；If the continuous 3 transmission 02H instruction of main website does not receive end
End is replied, then recording exceptional log.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (4)
1. a kind of airport dynamic terminal real time data inspecting processing method, it is characterised in that: it include following steps,
1) real time position data is cached in terminal module；
The position data within 5-15 minutes is written in the buffer area of terminal module in real time, while will be more than the mistake in time limit
Issue evidence is removed out buffer area；
2) position data is uploaded to main website by the upload frequencies of configuration；
The position data uploaded every time is in the average value for uploading all position datas within interval time, and data are stored
In big data platform；
3) special screne, the interim upload frequencies for improving position data are directed to.
2. dynamic terminal real time data inspecting processing method in airport according to claim 1, it is characterised in that: main website with
Data communication between dynamic terminal is based on udp protocol.
3. dynamic terminal real time data inspecting processing method in airport according to claim 1, it is characterised in that: in the step
It is rapid 2), in step 3), sending on dynamic terminal includes following control node into the position data of main website, initial code, Termination ID,
Control word, longitude, latitude, speed, direction, sequence number and end code.
4. dynamic terminal real time data inspecting processing method in airport according to claim 1, it is characterised in that: in the step
It is rapid 2), in step 3), it includes following control node in the order data of frequency that main website, which assigns terminal and changes and send in position data, is risen
Beginning code, Termination ID, control word, on send frequency, sequence number and end code.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113219235A (en) * | 2021-05-10 | 2021-08-06 | 南京海兴电网技术有限公司 | High-real-time data updating method applied to electricity utilization acquisition system |
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