CN107179043A - GNSS deformation monitoring systems and implementation method based on dual-active data center - Google Patents
GNSS deformation monitoring systems and implementation method based on dual-active data center Download PDFInfo
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- CN107179043A CN107179043A CN201710345462.0A CN201710345462A CN107179043A CN 107179043 A CN107179043 A CN 107179043A CN 201710345462 A CN201710345462 A CN 201710345462A CN 107179043 A CN107179043 A CN 107179043A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
Abstract
A kind of GNSS deformation monitoring systems based on dual-active data center include base station, post processing resolving system and deformation monitoring terminal；Post processing resolving system is connected with base station and deformation monitoring terminal；Post-processing resolving system includes main post processing resolving system and dual-active post processing resolving system.Main post processing resolving system includes the AM access module of primary standard station, main system data storehouse and main post processing and resolves module；The AM access module of primary standard station is connected with base station；Main system data storehouse resolves module with the AM access module of primary standard station and main post processing and is connected.Dual-active post processing resolving system includes the AM access module of dual-active base station, dual-active system database and dual-active post processing and resolves module；Dual-active base station AM access module is connected with base station；Dual-active system database resolves module with the AM access module of dual-active base station and dual-active post processing and is connected.The present invention is relative to the scheme based on hot standby data center, and the terminal number of access, which increases, to be twice, and substantially increases system effectiveness.
Description
Technical field
The present invention relates to satellite positioning navigation technical field, and in particular to a kind of GNSS deformation based on dual-active data center
Monitoring system and implementation method.
Background technology
GNSS (Global Navigation Satellite System, GPS) is from mid-1980s
After phase input is civilian, widely in each field application such as navigation, positioning, when especially having been risen in the control measurement for measuring boundary stroke
The effect in generation.Just because of be its high accuracy in relative positioning, high benefit, it is round-the-clock, the advantages of be not required to intervisibility, make people general
Used it to all over adopting instead of methods such as conventional triangle, three sides, corners, and gratifying achievement is achieved in theoretical, practice.In essence
Also progressively it is widely used in close engineering project deformation monitoring.
Deformation monitoring (deformation monitoring) is one long to the object deformed upon using precision instrument and professional method
The work of the observation detection of time.Corresponding prediction will be also made to the object deformed upon simultaneously and is analyzed.Deformation monitoring skill
Art is primarily used to determine the shape, size and the locational space changed and time of deformable body, and needs to combine change
Corresponding analysis is being made after the property and ground situation of body.The deformable body of general Study analysis has building, side slope, big
Dam, bridge etc., these deformable bodys belonged among precise engineering survey.
GPS technology is the major progress in the deformation monitoring history of technique, has become the conventional important means of e measurement technology.Root
Shown according to related data, some countries begin to carry out deformation monitoring using GPS in 1980s.Become using GPS
The advantage of shape monitoring is that the system can quickly and accurately monitor analysis crustal movement.This just becomes becomes in the monitoring earth's crust
Effective means when shape and plate motion.By setting up multiple regional GPS monitoring nets, can carry out a lot of Continuous Observations and
Repetition measurement, and obtain sufficient data to determine the feature of China's Mainland diastrophe and plate motion.Further, since GPS energy
Enough present situations for assessing deformation in real time simultaneously predict development trend, and this will be to be ready to play important work before disaster arriving
With.
With the fast development of social economy and science and technology, national wealth and life safety, profit are ensured in order to more effective
Deformation monitoring requirement can not be increasingly met with traditional deformation monitoring means, this is just in the urgent need to the equipment of more reliable performance is come
Monitor the deformation of bridge.At present, with the continuous maturation of GNSS technologies, GNSS automatic monitoring systems bridge, landslide,
Applied in the industries such as building, earthquake, dam and obtain good benefit.
Calamity for technology refer to break down in a data center or disaster in the case of, other data centers can be normal
Run and key business or whole business realizings are taken over, reach mutually redundant effect.Data center's entirety calamity can for technology
To be divided into four kinds：Cold standby, warm standby, hot standby and dual-active.
It can realize that master/slave data center externally provides service by dual-active technology, Liang Ge data centers during normal work
Business load balancing can be done according to weight, without active and standby point, a part of user is responded respectively, weight can be drawn by region
Point, or data center services ability or external bandwidth.When one of data center breaks down, another data center will hold
Carry on a shoulder pole all business.
GNSS deformation monitorings (GNSS deformation monitorings), i.e., using GNSS satellite navigator fix technology, by static monitoring techniques
(monitoring point, for subsequently carrying out accurate subsequent treatment, obtains height to point as DVB, Continuous Observation satellite location data
Precision position) observation data, reference station observation data, ephemeris (ephemeris refer to GPS measure in, motion of celestial body is changed over time
Exact position or track table, it is the function of time) carry out post processing resolving, obtain monitoring point millimeter precision it is a kind of high-precision
Spend deformation monitoring technology.
GNSS deformation monitoring systems are general to be made up of deformation monitoring terminal device and post processing resolving system, and deformation monitoring is whole
End equipment be typically mounted at the surface of monitoring object or near.Post processing resolving system is generally deployed in service end (high in the clouds) machine
Room.GNSS satellite is observed data back to the post processing resolving system of service end by deformation monitoring system, post-processes resolving system
Observation data are carried out to resolve the data for obtaining high precision position change.If post processing resolving system breaks down or calamity
Difficulty, the resolving of all deformation monitoring objects can all fail.For deformation caused by some disaster accidents, such as come down, at one section
It can not forecast that its deformation tendency may result in catastrophic consequence in time.
In existing deformation monitoring product, the highly reliable system schema of dual-active data center is not based on.Once service end
Post-process resolving system and occur Single Point of Faliure, whole system unavailable, resolving of all deformation monitoring objects within a period of time
It can all fail.
For GNSS deformation monitoring systems and implementation method based on hot standby data center, although solve forms data center
Single Point of Faliure causes the disabled problem of the whole network precise positioning, but the resource of hot standby data center is actually idle.
For the scene that a large amount of high accuracy positioning terminals are accessed, idle number of resources is very big.
The content of the invention
For the disadvantages mentioned above of prior art, the present invention proposes a kind of GNSS deformation monitorings based on dual-active data center
System and its implementation, solve the skill that forms data center Single Point of Faliure causes whole system unavailable and resource is largely left unused
Art problem.
The technical solution adopted by the present invention is：
A kind of GNSS deformation monitoring systems based on dual-active data center, including base station, post processing resolving system and shape
Become monitoring terminal；Base station is connected with post processing resolving system；Post processing resolving system is connected with deformation monitoring terminal；After described
Handling resolving system includes main post processing resolving system and dual-active post processing resolving system；
The main post processing resolving system includes the AM access module of primary standard station, main system data storehouse and main post processing and resolves mould
Block；The AM access module of primary standard station is connected with base station；Main system data storehouse is resolved with the AM access module of primary standard station and main post processing
Module is connected；
The dual-active post processing resolving system includes locating after the AM access module of dual-active base station, dual-active system database and dual-active
Understand and calculate module；Dual-active base station AM access module is connected with base station；Dual-active system database and dual-active base station AM access module
Module connection is resolved with dual-active post processing.
Further, main system data storehouse by master data synchronization module by real time data synchronization to dual-active data syn-chronization mould
Block, and store to dual-active system database.
Further, the base station includes base station moonscope module, base station master-slave swap judge module and difference
Divided data uploading module；Base station master-slave swap judge module includes moonscope module with base station and differential data uploads mould
Block is connected.
Further, the deformation monitoring terminal is including on deformation monitoring terminal moonscope module, Satellite Observations
Transmission module and deformation monitoring terminal master-slave swap judge module；Deformation monitoring terminal master-slave swap judge module is whole with deformation monitoring
Hold moonscope module and the connection of Satellite Observations uploading module.
A kind of GNSS deformation monitoring implementation methods based on dual-active data center, comprise the following steps：
Differential calibration data are uploaded to post processing resolving system by step S1, base station；
Step S2, post-processes resolving system by differential calibration data distributing to deformation monitoring terminal；
Step S3, each deformation monitoring terminal selects a post processing resolving system to upload the GNSS satellite number observed
According to.
Further, the step S1 comprises the following steps：
Step S11, base station passes through base station moonscope module observation satellite；
Differential calibration data are uploaded to main post processing by differential data uploading module and resolve system by step S12, base station
System；
Step S13, base station master-slave swap judge module monitors main post processing resolving system and dual-active post processing solution simultaneously
Calculation system；
Step S14, base station master-slave swap judge module monitors that main post processing resolving system breaks down；
Step S15, base station master-slave swap judge module monitoring dual-active post processing resolving system whether there is failure；Such as
It is no, perform step S16；In this way, step S17 is performed；
Step S16, main post processing resolving system automatically switches to dual-active post processing resolving system, and triggers alarm, performs
Step S18；
Step S17, triggering alarm, and wait manual switching order；
Step S18, updates the activestandby state of state machine.
Further, base station master-slave swap judge module post-processes resolving system and double by main in the step S13
Heartbeat packet on post processing resolving system communication link living monitors main post processing resolving system simultaneously and dual-active post processing resolves system
System.
Further, base station is uploaded differential calibration data by differential data uploading module simultaneously in the step S1
To main post processing resolving system and dual-active post processing resolving system.
Further, the step S2 includes main post processing resolving system by differential calibration data distributing to deformation monitoring end
End and dual-active post-process resolving system by differential calibration data distributing to deformation monitoring terminal；
Main post processing resolving system comprises the following steps differential calibration data distributing to deformation monitoring terminal：
Step S211, main post processing resolving system work；
Step S212, primary standard station AM access module receives the differential calibration data uploaded, and resolves mould by main post processing
Block is by data distributing to deformation monitoring terminal；
Step S213, main system data storehouse is by master data synchronization module by differential calibration real time data synchronization to dual-active number
According to synchronization module, and store to dual-active system database；
Step S214, if main post processing resolving system breaks down, triggering alarm, and wait to be repaired；
Step S215, rearming；
Dual-active post processing resolving system comprises the following steps differential calibration data distributing to deformation monitoring terminal：
Step S221, dual-active post processing resolving system work；
Step S222, dual-active system database receives the differential calibration data that main system data storehouse synchronously comes；
Step S223, main post processing resolving system is switched to dual-active post processing resolving system；
Step S224, dual-active post processing resolving system enters working condition.
Further, the step S2 includes main post processing resolving system by differential calibration data distributing to deformation monitoring end
End and dual-active post-process resolving system by differential calibration data distributing to deformation monitoring terminal；
Main post processing resolving system comprises the following steps differential calibration data distributing to deformation monitoring terminal：
Step S231, main post processing resolving system work；
Step S232, primary standard station AM access module receives the differential calibration data uploaded, and resolves mould by main post processing
Block is by differential calibration data distributing to deformation monitoring terminal；
Step S233, if main post processing resolving system breaks down, triggering alarm, and wait to be repaired；
Step S234, rearming；
Dual-active post processing resolving system comprises the following steps differential calibration data distributing to deformation monitoring terminal：
Step S241, dual-active post processing resolving system work；
Step S242, dual-active base station AM access module receives the differential calibration data uploaded, and post-processes solution by dual-active
Module is calculated by data distributing to deformation monitoring terminal；
Step S243, main post processing resolving system is switched to dual-active post processing resolving system；
Step S244, dual-active post processing resolving system enters working condition.
Further, the step S3 comprises the following steps：
Step S31, deformation monitoring terminal works；
Step S32, deformation monitoring terminal observes GNSS satellite data by deformation monitoring terminal moonscope module, and selects
A post processing resolving system is selected, the GNSS satellite data observed are uploaded by Satellite Observations uploading module；
Step S33, deformation monitoring terminal master-slave swap judge module is monitored after main post processing resolving system and dual-active simultaneously
Handle resolving system；
Step S34, deformation monitoring terminal master-slave swap judge module monitors that main post processing resolving system breaks down；
Step S35, deformation monitoring terminal master-slave swap judge module monitoring dual-active post processing resolving system is with the presence or absence of event
Barrier；Such as no, execution step S36；In this way, step S37 is performed；
Step S36, main post processing resolving system automatically switches to dual-active post processing resolving system, and triggers alarm, performs
Step S38；
Step S37, triggering alarm, and wait manual switching order；
Step S38, updates the activestandby state of state machine.
Further, deformation monitoring terminal master-slave swap judge module resolves system by main post processing in the step S33
The heartbeat packet that system and dual-active are post-processed on resolving system communication link monitors main post processing resolving system and dual-active post processing simultaneously
Resolving system.
GNSS deformation monitoring systems and implementation method proposed by the present invention based on dual-active data center, in normal condition
Under, the number for the deformation monitoring terminal that can be accessed increases than the scheme based on hot standby data center in theory to be twice, at some
When data center breaks down, the number for the deformation monitoring terminal that can be accessed is identical with hot reserve scheme, therefore with highly reliable
Property and access deformation monitoring terminal quantity more than beneficial effect.
Brief description of the drawings
Fig. 1 is present system structure chart.
Fig. 2 is main post processing resolving system and dual-active post processing resolving system Organization Chart.
Fig. 3 is main post processing resolving system and dual-active post processing resolving system workflow diagram.
Fig. 4 is base station Organization Chart.
Fig. 5 is base station workflow diagram.
Fig. 6 is deformation monitoring end-frame composition.
Fig. 7 is deformation monitoring terminal works flow chart
Embodiment
Hereinafter, the present invention is further elaborated in conjunction with the accompanying drawings and embodiments.
A kind of GNSS deformation monitoring systems based on dual-active data center, as shown in figure 1, (continuously being connect including base station 11
Receive and send this station coordinates and its change, GNSS ephemeris, the earth-fixed station of the information such as star clock correction, for correcting in satellite fix
The common error of middle generation), post processing resolving system and deformation monitoring terminal 14；Base station 11 connects with post processing resolving system
Connect；Post processing resolving system is connected with deformation monitoring terminal 14；The post processing resolving system includes main post processing resolving system
12 and dual-active post processing resolving system 13.
GNSS deformation monitoring system implementation methods, comprise the following steps：
Differential calibration data are uploaded to post processing resolving system by step S1, base station 11；
Step S2, post-processes resolving system by differential calibration data distributing to deformation monitoring terminal 14；
Step S3, each deformation monitoring terminal 14 selects a main post processing resolving system 12 or dual-active post processing to resolve
System 13 uploads the GNSS satellite data observed.
The Organization Chart of base station 11 is as shown in figure 4, base station 11 includes base station moonscope module 111, base station principal and subordinate
Switching judging module 112 and differential data uploading module 113；Base station master-slave swap judge module 112 is seen with base station satellite
Survey module 111 and differential data uploading module 113 is connected.
Differential calibration data are uploaded to post processing resolving system by base station 11 two schemes, and practical solution can when disposing
To be selected according to actual conditions：
Scheme one, base station 11 is uploaded to differential calibration data after master by differential data uploading module 113 simultaneously to be located
Resolving system 12 and dual-active post processing resolving system 13 are managed, such base station 11 does not need handover module.
Scheme two is as shown in figure 5, comprise the following steps：
Step S11, base station 11 passes through the observation satellite data of base station moonscope module 111；
Differential calibration data are uploaded to main post processing by differential data uploading module 113 and solved by step S12, base station 11
Calculation system 12；
Step S13, base station master-slave swap judge module 112 is solved by main post processing resolving system 12 and dual-active post processing
Heartbeat packet on the communication link of calculation system 13 monitors main post processing resolving system 12 and dual-active post processing resolving system 13 simultaneously；
Step S14, base station master-slave swap judge module 112 monitors that main post processing resolving system 12 breaks down；
Step S15, the monitoring dual-active post processing resolving system 13 of base station master-slave swap judge module 112 is with the presence or absence of event
Barrier；Such as no, execution step S16；(heartbeat packet is not responded to such as), perform step S17 in this way；
Step S16, main post processing resolving system 12 automatically switches to dual-active post processing resolving system 13, and triggers alarm,
Perform step S18；
Step S17, triggering alarm, and manual switching order is waited, user can independently decide whether to carry out active and standby manually cut
Change；
Step S18, updates the activestandby state of state machine, and main post processing resolving system and dual-active are post-processed resolving system
Relation is switched over, and restarts to detect the state that main post processing resolving system 12 and dual-active post-process resolving system 13.
Main post processing resolving system 12 and the dual-active post processing Organization Chart of resolving system 13 are as shown in Fig. 2 main post processing is resolved
System 12 and dual-active post processing resolving system 13 all have base station AM access module, system database and the post processing solution of oneself respectively
Calculate module.
Main post processing resolving system 12 includes primary standard station AM access module 121, main system data storehouse 122 and main post processing solution
Calculate module 123；Primary standard station AM access module 121 is connected with base station 11；Main system data storehouse 122 and the AM access module of primary standard station
121 and it is main post processing resolve module 123 connect.
Dual-active post processing resolving system 13 includes dual-active base station AM access module 131, dual-active system database 132 and dual-active
Post processing resolves module 133；Dual-active base station AM access module 131 is connected with base station 11；Dual-active system database 132 and dual-active
Base station AM access module 131 and dual-active post processing resolve module 133 and connected.
Dual-active system database 132 can be connected with main system data storehouse 122, can not also be with main system data storehouse 122
Connection, practical solution can be selected when disposing according to actual conditions.
When dual-active system database 132 is connected with main system data storehouse 122, main system data storehouse 122 passes through master data
Synchronization module 124, by private line network (with city or strange land) in real time by data syn-chronization to dual-active data simultaneous module 134, and is deposited
Store up dual-active system database 132；When dual-active system database 132 is not connected with main system data storehouse 122, base station 11 will
Data upload to main post processing resolving system 12 and dual-active post processing resolving system 13 simultaneously, so no longer need master data synchronous
Module 124 and dual-active data simultaneous module 134.
Here data include：The differential calibration data of base station upload, almanac data (broadcast ephemeris and precise ephemeris)
The GNSS satellite data uploaded with deformation monitoring terminal.
According to dual-active system database 132 and the connection in main system data storehouse 122, the main He of post processing resolving system 12
Differential calibration data distributing is had two schemes by dual-active post processing resolving system to deformation monitoring terminal 14：
Scheme one, dual-active system database 132 is connected with main system data storehouse 122, as shown in figure 3, wherein main post processing
Resolving system 12 issues differential calibration data and comprised the following steps：
Main post processing resolving system comprises the following steps differential calibration data distributing to deformation monitoring terminal：
Step S211, main post processing resolving system 12 works；
Step S212, primary standard station AM access module 121 receives the differential calibration data uploaded, and is resolved by main post processing
Module 123 is by data distributing to deformation monitoring terminal 14；
Differential calibration real time data synchronization is arrived by master data synchronization module 124 in step S213, main system data storehouse 122
Dual-active post-processes resolving system 13；
Step S214, if main post processing resolving system 12 breaks down, triggering alarm (if can with), and wait to be repaired
It is multiple；
Step S215, rearming；
Dual-active post processing resolving system 13 issues differential calibration data and comprised the following steps：
Step S221, dual-active post processing resolving system 13 works；
Step S222, dual-active post processing resolving system 13 receives the synchronous differential calibration come of main post processing resolving system 12
Data；
Step S223, in the event of switching, main post processing resolving system 12 is switched to dual-active post processing resolving system 13；
Step S224, dual-active post processing resolving system 13 enters working condition.
Scheme two, dual-active system database 132 is not connected with main system data storehouse 122, wherein main post processing resolving system
12, which issue differential calibration data, comprises the following steps：
Step S231, main post processing resolving system 12 works；
Step S232, primary standard station AM access module 121 receives the differential calibration data uploaded, and is resolved by main post processing
Module 123 is by data distributing to deformation monitoring terminal 14；
Step S233, if main post processing resolving system 12 breaks down, triggering alarm (if can with), and wait to be repaired
It is multiple；
Step S234, rearming；
Dual-active post processing resolving system 13 issues differential calibration data and comprised the following steps：
Step S241, dual-active post processing resolving system 13 works；
Step S242, dual-active base station AM access module 131 receives the differential calibration data uploaded, and is post-processed by dual-active
Module 133 is resolved by differential calibration data distributing to deformation monitoring terminal；
Step S243, in the event of switching, main post processing resolving system 12 is switched to dual-active post processing resolving system 13；
Step S244, dual-active post processing resolving system 13 enters working condition.
Deformation monitoring end-frame composition is as shown in fig. 6, including deformation monitoring terminal moonscope module 141, moonscope
Data uploading module 142 and deformation monitoring terminal master-slave swap judge module 143；Deformation monitoring terminal master-slave swap judge module
143 are connected with deformation monitoring terminal moonscope module 141 and Satellite Observations uploading module 142.
Deformation monitoring terminal flow chart is as shown in fig. 7, comprises following steps：
Step S31, the start work of deformation monitoring terminal 14, each deformation monitoring terminal 14 selects a post processing to resolve system
System receives the differential calibration data issued.
It is preferred that when deformation monitoring terminal 14 select it is main post processing resolving system 12 when, main post processing resolving system 12 to
Deformation monitoring terminal 14 issues differential calibration data, when performing switching, and dual-active post-processes resolving system 13 to deformation monitoring terminal
14 issue differential calibration data；When the selection dual-active post processing resolving system 13 of deformation monitoring terminal 14, dual-active post processing is resolved
System issues differential calibration data to deformation monitoring terminal 14, when performing switching, and main post processing resolving system 12 is to deformation monitoring
Terminal 14 issues differential calibration data.
Step S32, deformation monitoring terminal 14 observes GNSS satellite data by deformation monitoring terminal moonscope module, often
Individual deformation monitoring terminal 14 selects a main post processing resolving system 12 or dual-active post processing resolving system 13, is seen by satellite
Survey data uploading module 142 and upload the GNSS satellite data observed.
It is preferred that when deformation monitoring terminal 14 selects main post processing resolving system 12, deformation monitoring terminal 14 is to after master
Processing resolving system 12 uploads the GNSS satellite data observed, and when performing switching, deformation monitoring terminal 14 is post-processed to dual-active
Resolving system 13 uploads the GNSS satellite data observed；When the selection dual-active post processing resolving system 13 of deformation monitoring terminal 14
When, deformation monitoring terminal 14 post-processes the GNSS satellite data that the upload of resolving system 13 is observed to dual-active, when performing switching, shape
Become monitoring terminal 14 and the GNSS satellite data observed are uploaded to main post processing resolving system 12.
Step S33, after deformation monitoring terminal master-slave swap judge module 143 is by main post processing resolving system 12 and dual-active
Heartbeat packet on the processing communication link of resolving system 13 monitors main post processing resolving system 12 simultaneously and dual-active post processing resolves system
System 13；
Step S34, deformation monitoring terminal master-slave swap judge module 143 monitors that event occurs for main post processing resolving system 12
Barrier；
Whether step S35, the monitoring dual-active post processing resolving system 13 of deformation monitoring terminal master-slave swap judge module 143 deposits
In failure；Such as no, execution step S36；(heartbeat packet is not responded to such as), perform step S37 in this way；
Step S36, main post processing resolving system 12 automatically switches to dual-active post processing resolving system 13, and triggers alarm,
Perform step S38；
Step S37, triggering alarm, and manual switching order is waited, user can independently decide whether to carry out active and standby manually cut
Change；
Step S38, updates the activestandby state of state machine, and main post processing resolving system and dual-active are post-processed resolving system
Relation is switched over, and restarts to detect the state that main post processing resolving system and dual-active post-process resolving system.
The present invention is not specially required for computer programming language, it is preferred to use JAVA language.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and techniques content of the disclosure above to this hair
Bright technical scheme makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention
Any simple modifications, equivalents, and modifications made to above example of technical spirit, belong to technical solution of the present invention
Protection domain.
Claims (12)
1. a kind of GNSS deformation monitoring systems based on dual-active data center, it is characterised in that including base station (11), post processing
Resolving system and deformation monitoring terminal (14)；Base station (11) is connected with post processing resolving system；Post-process resolving system and shape
Become monitoring terminal (14) connection；The post processing resolving system includes main post processing resolving system (12) and dual-active post processing is resolved
System (13)；
After the main post processing resolving system (12) is including primary standard station AM access module (121), main system data storehouse (122) and master
Processing resolves module (123)；Primary standard station AM access module (121) is connected with base station (11)；Main system data storehouse (122) and master
Base station AM access module (121) and main post processing resolve module (123) connection；
The dual-active post processing resolving system (13) includes dual-active base station AM access module (131), dual-active system database (132)
Module (133) is resolved with dual-active post processing；Dual-active base station AM access module (131) is connected with base station (11)；Dual-active system number
Module (133) is resolved according to storehouse (132) with dual-active base station AM access module (131) and dual-active post processing to be connected.
2. a kind of GNSS deformation monitoring systems based on dual-active data center as claimed in claim 1, it is characterised in that principal series
Unite database (122) by master data synchronization module (124) by real time data synchronization to dual-active data simultaneous module (134), and
Store dual-active system database (132).
3. a kind of GNSS deformation monitoring systems based on dual-active data center as claimed in claim 1, it is characterised in that described
Base station (11) is included on base station moonscope module (111), base station master-slave swap judge module (112) and differential data
Transmission module (113)；Base station master-slave swap judge module (112) includes moonscope module (111) and difference number with base station
Connected according to uploading module (113).
4. a kind of GNSS deformation monitoring systems based on dual-active data center as claimed in claim 1, it is characterised in that described
Deformation monitoring terminal (14) include deformation monitoring terminal moonscope module (141), Satellite Observations uploading module (142) and
Deformation monitoring terminal master-slave swap judge module (143)；Deformation monitoring terminal master-slave swap judge module (143) and deformation monitoring
Terminal moonscope module (141) and Satellite Observations uploading module (142) connection.
5. a kind of GNSS deformation monitoring implementation methods based on dual-active data center, it is characterised in that applied to claim 1 institute
In the GNSS deformation monitoring systems stated, comprise the following steps：
Differential calibration data are uploaded to post processing resolving system by step S1, base station (11)；
Step S2, post-processes resolving system by differential calibration data distributing to deformation monitoring terminal (14)；
Step S3, each deformation monitoring terminal (14) selects a post processing resolving system to upload the GNSS satellite number observed
According to.
6. a kind of GNSS deformation monitoring implementation methods based on dual-active data center as claimed in claim 5, it is characterised in that
The step S1 comprises the following steps：
Step S11, base station (11) passes through base station moonscope module (111) observation satellite；
Differential calibration data are uploaded to main post processing by differential data uploading module (113) and solved by step S12, base station (11)
Calculation system (12)；
Step S13, base station master-slave swap judge module (112) after the main post processing resolving system (12) of monitoring and dual-active while locate
Manage resolving system (13)；
Step S14, base station master-slave swap judge module (112) monitors that main post processing resolving system (12) is broken down；
Step S15, base station master-slave swap judge module (112) monitoring dual-active post processing resolving system (13) is with the presence or absence of event
Barrier；Such as no, execution step S16；In this way, step S17 is performed；
Step S16, main post processing resolving system (12) automatically switches to dual-active post processing resolving system (13), and triggers alarm,
Perform step S18；
Step S17, triggering alarm, and wait manual switching order；
Step S18, updates the activestandby state of state machine.
7. a kind of GNSS deformation monitoring implementation methods based on dual-active data center as claimed in claim 6, it is characterised in that
Base station master-slave swap judge module (112) is post-processed by main post processing resolving system (12) and dual-active in the step S13
Heartbeat packet on resolving system (13) communication link monitors main post processing resolving system (12) simultaneously and dual-active post processing resolves system
Unite (13).
8. a kind of GNSS deformation monitoring implementation methods based on dual-active data center as claimed in claim 5, it is characterised in that
Differential calibration data are uploaded to after master and located by base station (11) simultaneously by differential data uploading module (113) in the step S1
Manage resolving system (12) and dual-active post processing resolving system (13).
9. a kind of GNSS deformation monitoring implementation methods based on dual-active data center as claimed in claim 6, it is characterised in that
The step S2 includes main post processing resolving system (12) by differential calibration data distributing to deformation monitoring terminal (14) and dual-active
Resolving system (13) is post-processed by differential calibration data distributing to deformation monitoring terminal (14)；
Main post processing resolving system (12) comprises the following steps differential calibration data distributing to deformation monitoring terminal (14)：
Step S211, main post processing resolving system (12) work；
Step S212, primary standard station AM access module (121) receives the differential calibration data uploaded, and resolves mould by main post processing
Block (123) is by data distributing to deformation monitoring terminal (14)；
Step S213, main system data storehouse (122) are arrived differential calibration real time data synchronization by master data synchronization module (124)
Dual-active data simultaneous module (134), and store to dual-active system database (132)；
Step S214, if main post processing resolving system (12) is broken down, triggering alarm, and wait to be repaired；
Step S215, rearming；
Dual-active post processing resolving system (13) comprises the following steps differential calibration data distributing to deformation monitoring terminal (14)：
Step S221, dual-active post processing resolving system (13) work；
Step S222, dual-active system database (132) receives the differential calibration data that main system data storehouse (122) synchronously come；
Step S223, main post processing resolving system (12) is switched to dual-active post processing resolving system (13)；
Step S224, dual-active post processing resolving system (13) enters working condition.
10. a kind of GNSS deformation monitoring implementation methods based on dual-active data center as claimed in claim 8, its feature exists
In, the step S2 include main post processing resolving system (12) by differential calibration data distributing to deformation monitoring terminal (14) and pair
The resolving system (13) living that post-processes is by differential calibration data distributing to deformation monitoring terminal (14)；
Main post processing resolving system (12) comprises the following steps differential calibration data distributing to deformation monitoring terminal (14)：
Step S231, main post processing resolving system (12) work；
Step S232, primary standard station AM access module (121) receives the differential calibration data uploaded, and resolves mould by main post processing
Block (123) is by differential calibration data distributing to deformation monitoring terminal (14)；
Step S233, if main post processing resolving system (12) is broken down, triggering alarm, and wait to be repaired；
Step S234, rearming；
Dual-active post processing resolving system (13) comprises the following steps differential calibration data distributing to deformation monitoring terminal (14)：
Step S241, dual-active post processing resolving system (13) work；
Step S242, dual-active base station AM access module (131) receives the differential calibration data uploaded, and post-processes solution by dual-active
Module (133) is calculated by data distributing to deformation monitoring terminal (14)；
Step S243, main post processing resolving system (12) is switched to dual-active post processing resolving system (13)；
Step S244, dual-active post processing resolving system (13) enters working condition.
11. a kind of GNSS deformation monitoring implementation methods based on dual-active data center as described in claim 9 or 10, its feature
It is, the step S3 comprises the following steps：
Step S31, deformation monitoring terminal (14) work；
Step S32, deformation monitoring terminal (14) observes GNSS satellite number by deformation monitoring terminal moonscope module (141)
According to, and a post processing resolving system is selected, the GNSS satellite observed is uploaded by Satellite Observations uploading module (142)
Data；
Step S33, deformation monitoring terminal master-slave swap judge module (143) post-process resolving system (12) and double while monitoring is main
Post processing resolving system (13) living；
Step S34, deformation monitoring terminal master-slave swap judge module (143) monitors that event occurs for main post processing resolving system (12)
Barrier；
Whether step S35, deformation monitoring terminal master-slave swap judge module (143) monitoring dual-active post processing resolving system (13) deposits
In failure；Such as no, execution step S36；In this way, step S37 is performed；
Step S36, main post processing resolving system (12) automatically switches to dual-active post processing resolving system (13), and triggers alarm,
Perform step S38；
Step S37, triggering alarm, and wait manual switching order；
Step S38, updates the activestandby state of state machine.
12. a kind of GNSS deformation monitoring implementation methods based on dual-active data center as claimed in claim 11, its feature exists
In deformation monitoring terminal master-slave swap judge module (143) post-processes resolving system (12) and double by main in the step S33
Heartbeat packet on post processing resolving system (13) communication link living is located after monitoring main post processing resolving system (12) and dual-active simultaneously
Manage resolving system (13).
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| CN108007421A (en) * | 2017-11-29 | 2018-05-08 | 西安科技大学 | A kind of earth's surface deformation continuous monitoring method based on GNSS |
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