CN101937214B - Industrial Ethernet based monitoring system of sea-crossing suspension bridge - Google Patents
Industrial Ethernet based monitoring system of sea-crossing suspension bridge Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses to an industrial Ethernet based monitoring system of a sea-crossing suspension bridge, comprising a hardware system and a software system, wherein the hardware system of the monitoring system comprises bridge field equipment, monitoring center equipment, communication optical cable equipment from a bridge field to a monitoring center, and the like; and the software system is not only supported by a necessary operating system, office software and tool software, i.e. structural computational analysis ANSYS, MATLAB, ARTEMIS, QJX, and the like, but also even more important to have user customizing software developed aiming at the specific requirements for the structure monitoring and the early warning of the sea-crossing suspension bridge. The monitoring system realizes the monitoring of the structure information of the sea-crossing suspension bridge through the cooperative work of the software system and the hardware system, the field data acquisition of an external field sensor and the data receiving, processing and analysis of data real-time monitoring software, integrates the everyday maintenance and management work and structure data acquisition of the sea-crossing suspension bridge into a whole, provides a visual digitized and informationized platform for a management and maintenance unit of the sea-crossing suspension bridge at any time, thereby enhancing the scientific and technological level of management and maintenance; and in addition, the invention can provide the safety state information of the bridge structure for the sea-crossing suspension bridge at any time.
Description
Technical field
The present invention relates to the bridge structure monitoring technical field; Especially relate to a kind of based on EPA; Possess Network Transmission, Long-distance Control, data flow con-trol, multi-source heterogeneous information fusion, structure condition assessment and prediction, system management and maintenance function, and can obtain the monitoring system of bridge structure Monitoring Data in real time, regularly, comprehensively.
Background technology
Along with progress of science and technology, the bridge type of big, the beautiful design of spans such as Longspan Bridge, especially suspension bridge, saving material enjoys everybody approval in recent years.In a large amount of construction the type bridges, the safe condition of grasping large-scale suspension bridge over strait in real time just seems particularly important.
Traditional bridge monitoring work is to adopt the manual detection means regularly or irregularly respectively the key position of bridge to be detected separately, and field test data is taken back the laboratory carry out analyzing and processing.For large-scale suspension bridge over strait, its main supporting member One's name is legion, enormous size, the direct stressed relation of the red member of operation process are very complicated.If continue to use traditional detection method, the on-the-spot actual conditions of bridge floor are difficult to grasped comprehensively.
Traditional bridge manual detection method is because of its intrinsic hysteresis quality and inefficiencies; The raising of bridge operation cost and the irrationality of resource distribution have been caused; The more important thing is that he can not in time find major defect and jump signal in the structure; Also just can not carry out early warning, not catch up with the bridge development situation far away accident.
Summary of the invention
The objective of the invention is to effectively overcome above-mentioned shortcoming; Provide a kind of based on EPA can Long-distance Control; Can obtain data in real time and comprehensively; Collect data management, monitoring structural health conditions, safety assessment, emergency reaction, bridge deck traffic condition monitoring etc. efficiently and be the supervisory system of one, improve the problem that traditional manual detection method hysteresis quality and inefficiencies thereof etc. are brought to reach.
For achieving the above object; The invention provides a kind of suspension bridge structure monitoring over strait system based on EPA; Be used for suspension bridge over strait; This bridge monitoring system is based on EPA and makes up, and forms to the communication cable equipment of Surveillance center by bridge field apparatus, Surveillance center's equipment and bridge are on-the-spot, and said bridge field apparatus comprises: sensor device, data acquisition equipment, power-supply unit and communication facilities;
Said Surveillance center equipment comprises: data transmission and processing and control module, demonstration in real time, warning function module, Video service module, structural safety evaluation module, 3D animation model device management module, inspection management module, disease module, structure early warning foreground subscriber interface module and monitoring and analytical database, document data base, system operation database of record, analysis result and report report database;
Wherein, Described suspension bridge structure monitoring over strait system based on EPA gathers in real time, is sent to said Surveillance center through communication cable equipment after the data acquisition the bridge structure data through field apparatus; Carry out resolving, transmit and uploading to that data in real time shows, the early warning module is carried out real-time exhibition after the control operation of data by said data transmission and processing and control module, and in the process of real-time exhibition, realize the real time data warning function;
Treated real-time Monitoring Data deposits monitoring and analytical database storage in; Said 3D animation model device management module generates the 3D model of bridge; And receive the gps data of the processing upload; Realize the change in displacement displaying of bridge GPS displacement monitoring and bridge 3D model, the GPS displacement data also can be sent to monitoring and analytical database storage;
The video monitor signal that upload in the outfield is sent to after treatment that the Video service module is handled, displaying work.After the real-time Monitoring Data of structure is uploaded in into monitoring and the analytical database; The structural safety evaluation module can require to resolve the evaluation work of completion to the bridge situation from reading database wherein and according to data and predefined bridge algorithms most in use thereof according to concrete function; And the result sent to analysis result and report report database, and can from database, read the historical evaluation result.
What the inspection management module was used for that auxiliary tube supports unit carries out the daily work of patrolling and examining with manual type, and information that it collects and patrol task related data are stored in the document data base.The disease administration module is applicable to finding the management work of disease in the process of patrolling and examining.
All data of system show in the subscriber interface module of structure early warning foreground through integrating the back, and the management system personal information, the system journal that comprise the system of warning message and system error message are sent to the system operation database of record and carry out record.
Said 3D animation model device management module shows the data and relevant static state and dynamic data of each sensor of total system, power-supply unit and communication facilities intuitively with the form of three-dimensional animation, and utilizes the GPS technology to accomplish the mensuration to bridge key member real-time displacement;
The correlation module of said 3D animation model device management module and data transmission, processing and control is in the same station server of Surveillance center.3D animation model device management module can automatic log-on data transmit, handles, control the corresponding function module when starting.
Direct and the remote data acquisition end-on of said data transmission, processing and control module; The on-the-spot all the sensors data of bridge get into said data transmission, processing and control module through fiber optic network, realize the transmission, demonstration, pre-service of original test data and to the control function at remote data acquisition terminal.
Each signal source raw data file of said monitoring and analytical database preservation and management data collection, pre-service, structural safety assessment, real-time demonstration, early warning module and 3D animation model device management module; Said analysis result and report database are used for storing the report messages with management structure safety assessment module; Said system operation database of record be used for storing with managing data transmission, processing with control module, 3D animation model device management module, structural safety evaluation module, show in real time, the system personnel information that comprises warning message and system error message, system journal and the real time data relevant of early warning module and structural health early warning foreground subscriber interface module with the 3D interface; Said system documentation database storing and the information material of managing the total system all hardware that comprises structural safety evaluation module, monitoring and analytical database, disease administration module, inspection management module.
Said inspection management module is accomplished editor to bridge unit's patrol plan, arranges, is examined, the result checks and accepts, patrol and examine the generation of calendar.The corresponding each patrol task typing of said disease administration module is patrolled and examined the result and is made up typing and patrols and examines the result, dynamically generates the bridge defect tabulation, and to its prediction of giving a mark.
Said structural safety evaluation module mainly comprises sub-function module: subscriber interface module, weekly monthly magazine module, assessment data file generating module, damage identification module, internal force state recognition module, adaptability evaluation module, analysis of fatigue module, wind and structural dependence analysis module, system help module; It generates the report form of bridge monitoring automatically, and report content comprises each monitoring project mechanical index, passes through bridge structural dynamic test data, the damage discriminance analysis of implementation structure; Carry out the state recognition of bridge dead load internal force, provide the evaluation of current internal force state and safeguard suggestion; Tired focus to bridge steel case beam carries out analysis of fatigue, carries out the fatigue lifetime of steel case beam measuring point and estimates; Corresponding analysis of structure to bridge relevant position under wind action.
Said warning function module comprises sub-function module: environment rainfall amount monitoring modular; Sarasota cushion cap earthquake motion monitoring modular; Sarasota vibration detection module; Sarasota off normal monitoring modular; The end reaction monitoring modular; Steel case beam length travel monitoring modular; Steel case beam vibration monitoring modular; Steel case stress beam monitoring modular; Steel case beam line style monitoring modular; Steel box-beam structure temperature monitoring module; Steel case beam atmospheric temperature monitoring modular; The main push-towing rope monitoring modular; Acquisition station warehouse humiture monitoring modular; It realizes each monitoring project of native system, comprises environmental factor, load source and bridge structure corresponding demonstration and the warning function under abnormal conditions in real time; It is through data transmission, processing and the control module receiving real-time data of the Ethernet in the Surveillance center on data processing and the Control Server; Carry out the real-time demonstration of each monitoring project signal of system; And carry out necessary aftertreatment, early warning in time under abnormal conditions.
Said structure early warning foreground subscriber interface module comprises submodule: main interface module, trend map module, record management module, personal management module, device management module, replacing skin module, historical data statistical module, help module; Its auxiliary keeper realizes to the corresponding function operation of bridge monitoring and to the tendency of bridge architecture quality trend, provides that equipment, personnel that the bridge pipe is supported unit manage, historical data is added up.
Said Video service module comprises Network Video Surveillance, traffic data management, systematic electricity configuration monitoring submodule; Realization is carried out video monitoring to each main member of bridge; Each track of bridge is monitored; And check and traffic control, and monitor the power supply situation of each acquisition station on the bridge in real time according to vehicle, the speed of a motor vehicle, car weight, axletree corresponding data.
Can find out that from technique scheme the present invention has following beneficial effect:
1. this suspension bridge structure monitoring software over strait provided by the invention is based on control, the process software of the suspension bridge monitoring system over strait of EPA.Mutual coordination between the various workstations of system provide a kind of interaction mechanism and and the information network on its upper strata seamless integrated.
2. the data acquisition station that on bridge, is provided with of the present invention sends it back the processing of Surveillance center through software through Ethernet with real time data and history data file, can realize real-time or regular collection.Realized to find health problem in the very first time to the real-time understanding of bridge member health status.
3. the present invention utilizes the mechanical property parameters of sensor determination bridge building ring and bridge; Utilize the high SF of GPS RTK technology, high precision, round-the-clock method to measure bridge monitoring and put three direction of principal axis displacements, and its change in displacement has been reached the mm grade standard; Accomplish the bridge health monitoring to be monitored, improved the comprehensive and reliability of system from mechanical performance index and bridge member displacement two aspects.
4. the strict standard value of having set monitoring parameter according to relevant criterion and bridge actual conditions among the present invention; Can be problem member location accurately; And be provided with warning function, and, health problem can report to the police automatically when appearring in the bridge member, improved bridge security in use.
The present invention with the bridge pipe support in department's routine work patrol and examine and the automatic monitoring and the bridge deck traffic condition monitoring of checking and accepting, bridge monitoring system are integrated; Can assist it to get routine work to a great extent; And help the informationization of its pattern of finishing the work; Intellectuality, and saved the wasting of resources that multisystem is brought greatly
Description of drawings
Fig. 1 is the structural representation of native system.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, to further explain of the present invention.
Fig. 1 is the structural representation of native system, and the data interactive mode in its system is shown in arrow among the figure.System is gathered by outfield shown in the figure and internal field processing two large divisions forms.Partly form comprising data transmission and processing and control module, demonstration in real time, warning function module, Video service module, structural safety evaluation module, 3D animation model device management module, inspection management module, disease module, structure early warning foreground subscriber interface module, monitoring and analytical database, document data base, system operation database of record, analysis result and report report database etc.
System gathers in real time, carries out resolving, transmit and uploading to that data in real time is showed, the early warning module is carried out real-time exhibition after the control operation of data through data transmission and processing and control module after the data acquisition the bridge structure data through airfield equipment, and in the process of real-time exhibition, realizes function such as real time data early warning.Treated real-time Monitoring Data can be deposited in monitoring and analytical database storage.3d animation model device management module can generate the 3D model of bridge, and receives the gps data of the processing of uploading, and realizes that the change in displacement of bridge GPS displacement monitoring and bridge 3D model is showed.The GPS displacement data also can be sent to monitoring and analytical database storage.The video monitor signal that upload in the outfield is sent to after treatment that the Video service module is handled, displaying work.After the real-time Monitoring Data of structure is uploaded in into monitoring and the analytical database; The structural safety evaluation module can require to resolve the evaluation work of completion to the bridge situation from reading database wherein and according to data and predefined bridge algorithms most in use thereof according to concrete function; And the result sent to analysis result and report report database, and can from database, read the historical evaluation result.
What the inspection management module was used for that auxiliary tube supports unit carries out the daily work of patrolling and examining with manual type, and information that it collects and patrol task related data are stored in the document data base.The disease administration module is applicable to finding the management work of disease in the process of patrolling and examining.
All data of system show that through integrating the back management system personal information of system, system journal information such as (comprising warning message and system error message) are sent to the system operation database of record and carry out record in the subscriber interface module of structure early warning foreground.
Suspension bridge structure monitoring over strait system based on Ethernet provided by the invention has comprised the equipment control of 3D animation model, data transmission, processing and control module, monitoring and analytical database, system documentation's database, system operation database of record, analysis result and report database, inspection management module, disease administration module, structural safety evaluation module, has shown that main functional modules such as early warning module, structure early warning foreground subscriber interface module, Video service module constitute in real time that each functional module all is made up of some sub-function module.
3D animation model device management module comes to show intuitively data and the relevant static state and the dynamic data of each sensor of total system, power-supply unit and communication facilities with the form of three-dimensional animation; And using the GPS technology to accomplish mensuration to the displacement of bridge key position, the correlation module of this module and data transmission, processing and control is in the same station server of Surveillance center.The corresponding function module transmitted, handles, controlled to this module can automatic log-on data when starting.
Direct and the remote data acquisition end-on of data transmission, processing and control module; Close through first road that fiber optic network gets into Surveillance center as the on-the-spot all the sensors data of bridge, realize the transmission, demonstration, pre-service of original test data and the control function at remote data acquisition terminal.
Monitoring and analytical database are used for preserving and managing each signal source raw data file, and the functional module directly related with him comprises corresponding modules such as data acquisition, pre-service, structural safety assessment, real-time demonstration, early warning module and 3D animation model device management module.
Analysis result and report database are used for storing and managerial report information, and the software module directly related with him comprises: the structural safety evaluation module.
The system operation database of record is used for storing and management system personal information, system journal (comprising warning message and system error message) and the relevant real time data in rain 3D interface.Have with its program module of directly facing: data transmission, processing and control module, 3D animation model device management module, structural safety evaluation module, real-time demonstration, early warning module and structural health early warning foreground subscriber interface module.
System documentation's database is in order to the information material of storage and management total system all hardware.Comprise structural safety evaluation module, monitoring and analytical database, disease administration module, inspection management module etc. with its program module of directly facing.
The inspection management module in order to bridge unit to the editor of patrol plan, arrange, examine, the result checks and accepts, patrol and examine the realization of the work such as generation of calendar.
The disease administration module can corresponding each patrol task typing be patrolled and examined the result in order to the user, can also correspondingly make up typing and patrol and examine the result.Dynamically generate the bridge defect tabulation, and to its prediction of giving a mark.
The structural safety evaluation module is in order to the report form of automatic generation bridge monitoring, and report content comprises each monitoring project mechanical index; Damage discriminance analysis through some row analytical approach implementation structures such as bridge structural dynamic test datas; Carry out the state recognition of bridge dead load internal force, provide the evaluation of current internal force state and safeguard suggestion; Tired focus to bridge steel case beam carries out analysis of fatigue, carries out the fatigue lifetime of steel case beam measuring point and estimates.Corresponding analysis of structure to bridge relevant position under wind action.This functional module mainly comprises: sub-function module such as subscriber interface module, weekly monthly magazine module, assessment data file generating module, damage identification module, internal force state recognition module, adaptability evaluation module, analysis of fatigue module, wind and structural dependence analysis module, system help module.
Demonstration in real time, warning function module comprise that in order to realize each monitoring project of native system environmental factor, load source and bridge structure show and the warning function under abnormal conditions accordingly in real time.It is through data transmission, processing and the control module receiving real-time data of the Ethernet in the Surveillance center on data processing and the Control Server; Carry out the real-time demonstration of each monitoring project signal of system; And carry out necessary aftertreatment, early warning in time under abnormal conditions.This functional module comprises: sub-function module such as environment rainfall amount monitoring modular, Sarasota cushion cap earthquake motion monitoring modular, Sarasota vibration detection module, Sarasota off normal monitoring modular, end reaction monitoring modular, steel case beam length travel monitoring modular, steel case beam vibration monitoring modular, steel case stress beam monitoring modular, steel case beam line style monitoring modular, steel box-beam structure temperature monitoring module, steel case beam atmospheric temperature monitoring modular, main push-towing rope monitoring modular, acquisition station warehouse humiture monitoring modular are one of corn module of this monitoring system.
Structure early warning foreground subscriber interface module is with thinking the user oriented important module of total system, simple for structure, friendly, easy operating.Except that auxiliary keeper realizes the corresponding function operation and the tendency to bridge architecture quality trend to bridge monitoring; Daily administrations such as equipment, personnel that the bridge pipe is supported unit manage, historical data statistics also are provided, have realized the office automation that the bridge pipe is supported unit significantly.It comprises submodules such as main interface module, trend map module, record management module, personal management module, device management module, replacing skin module, historical data statistical module, help module.
The Video service module comprises functions such as Network Video Surveillance, traffic data management, systematic electricity configuration monitoring; Can realize each main member of bridge is carried out video monitoring; The last track of bridge is monitored; And can check and traffic control according to corresponding datas such as vehicle, the speed of a motor vehicle, car weight, axletrees, realize each acquisition station on the bridge is monitored its power supply situation in real time.
Data acquisition main task wherein is the requirement according to the terminal; Under the support of all kinds of sensing testings, acquisition hardware cooperates, equipment is driven; Gather the signals such as environmental data, dynamic traffic data and structure static state, dynamic response of bridge, and signal is converted into the physical quantity data.These signal datas are sent to Surveillance center's monitoring terminal through optical fiber on the one hand in real time; Be stored in this locality with document form data on the other hand, descend and utilize the database unified management for Surveillance center's data storage terminal.
Running software is under real time operating system, to guarantee the maximum reliability and the real-time of bottom data collecting work.Layouting of sensor will specifically confirm according to bridge type.
Need carry out pre-service after the data acquisition; This part can be installed in the data acquisition station of bridge; The acquisition station data acquisition software is passed to Monitoring Data data transmission, processing and the Control Software of Surveillance center in real time through fiber optic Ethernet; And can response monitoring the request of FTP raw data downloaded software on the central database server, FTP is provided service, supply regularly to download.Data acquisition, pretreatment portion belong to the bottom part of these software systems, directly and acquisition station data acquisition and signal condition hardware module mutual.
Data transmission, processing and control module are installed in Surveillance center's data processing and control is served on it, direct and remote data acquisition end-on.This part mainly realizes the transmission, demonstration, pre-service of original test data and to the control function at remote data acquisition terminal.It should be installed on the same server with 3D animation model device management module, this module through with EPA from the data acquisition of remote data acquisition station, and can be to remote data acquisition station transmitting control commands.In addition, data transmission, processing and control module are issued real-time demonstration, early warning module after real-time Monitoring Data is gathered, and simultaneously measured data are write in the middle of the interim watchcase trend map of the 3D animation table in the DBAS.
The structural safety evaluation function of software systems is installed in structural health and estimates in server and the video server; Can generate the form content of bridge automatically; And can carry out the automatic induction-arrangement of data message automatically; Automatically generate the required input file of evaluates calculation, can carry out the model analysis of structure, obtain the eigenwert of structure through bridge structural dynamic test data; Pass through the damage discriminance analysis of damage criterion implementation structure at last, and accomplish assessment and suggestion function the various situations of bridge.And the accuracy of assessment result depends on the data of input, does not get rid of the untrue data that produce owing to the sensor faults itself, therefore at needs the input data is carried out marginal testing.Relate to bridge professional knowledge for the result who calculates, need the bridge professional that the result is passed judgment on and analyzes.
Structure early warning foreground subscriber interface module is installed in Surveillance center's structural health evaluation working station, is mainly the user of service close friend, interface operation environment efficiently are provided.He and structural health show in real time, early warning software is installed on the same server and operation simultaneously.Demonstration, warning function mainly realize each monitoring project of system in real time, comprise environmental factor, load source and bridge structure corresponding demonstration and the warning function under abnormal conditions in real time.It accepts real time data through the Ethernet in the Surveillance center from data processing and Control Server, carries out the real-time demonstration of each monitoring project signal of system, and carries out necessary processing, under abnormal conditions, in time reports to the police.Carry out the historical inquiry of monitoring project early warning through being connected to Surveillance center's database server.
Because the system data amount is very big, data message of a great variety, complex structure has a plurality of systems shared data information, should support distributed processing and visit simultaneously, supports many concurrent users' operation again, and safety of data is important.Through setting up the central database system of system, unified management with organize data message, give system and maintenance and management facilitates, also provide reliable distributed data alternately and storage platform for each application subsystem.System comprises monitoring and databases such as analysis, system documentation, system operation record, analysis result and report altogether.
Monitoring and analytical database are used for preserving and managing each signal source raw data file; Data flow is: download to the text of raw data on the central database server with the FTP mode and be saved in the storing path of text and eigenwert monitoring and the analytical database from acquisition station, structural safety evaluation module and structure early warning foreground subscriber interface module are from reading of data wherein.
Analysis result and report database are used for storing and managerial report information, and he preserves each analysis report and the analysis result of system from the structural safety evaluation module.
The system operation database of record is used for storing and management system personal information, system journal and the real time data relevant with the 3D interface.He preserves relevant information from data transmission and processing and control module, structural safety evaluation module, real-time real language contexts module and structural health early warning foreground subscriber interface module.
System documentation's database is used for storage and management total system all hardware information material, and system and each member parameter are preserved at this.
When native system is used; System can gather suspension bridge structure real time data through equipment such as outer field sensors, gather operations such as being uploaded laggard mistake is handled, resolved, filtration afterwards its each association carry out data display on the foreground respectively so that the user can grasp big bridge construction operation conditions in real time.Native system is except that the bridge situation has been realized a series of routine works such as the assessment of bridge constructional aspect, bridge information management, bridge inspection managements the monitoring in real time.The omnibearing grasp bridge structure of assisted user situation.
More than the suspension bridge detection system over strait based on Ethernet provided by the present invention has been carried out detailed introduction, used specific embodiment among this paper principle of the present invention and embodiment set forth.
Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further detailed description, and institute it should be understood that the above is merely specific embodiment of the present invention; Be not limited to the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. suspension bridge structure monitoring over strait system based on EPA; Be used for suspension bridge over strait, this bridge monitoring system is based on EPA and makes up, and forms to the communication cable equipment of Surveillance center by bridge field apparatus, Surveillance center's equipment and bridge are on-the-spot; It is characterized in that
Said bridge field apparatus comprises: sensor device, data acquisition equipment, power-supply unit and communication facilities;
Said Surveillance center equipment comprises: data transmission and processing and control module, show and early warning module, Video service module, structural safety evaluation module, 3D animation model device management module, inspection management module, disease module, structure early warning foreground subscriber interface module and monitoring and analytical database, document data base, system operation database of record, analysis result and report report database in real time;
Wherein, Described suspension bridge structure monitoring over strait system based on EPA gathers in real time, is sent to said Surveillance center through communication cable equipment after the data acquisition the bridge structure data through field apparatus; Carry out resolving, transmit and uploading to that data in real time shows, the early warning module is carried out real-time exhibition after the control operation of data by said data transmission and processing and control module, and in the process of real-time exhibition, realize the real time data warning function;
Treated real-time Monitoring Data deposits monitoring and analytical database storage in; Said 3D animation model device management module generates the 3D model of bridge; And receive the gps data of the processing upload; Realize the change in displacement displaying of bridge GPS displacement monitoring and bridge 3D model, the GPS displacement data also can be sent to monitoring and analytical database storage;
The video monitor signal that the bridge field apparatus is uploaded is sent to after treatment that the Video service module is handled, displaying work; After the real-time Monitoring Data of structure is uploaded in into monitoring and the analytical database; The structural safety evaluation module requires to resolve the evaluation work of completion to the bridge situation from reading database wherein and according to data and predefined bridge algorithms most in use thereof according to concrete function; And the result sent to analysis result and report report database, and from database, read the historical evaluation result;
The inspection management module is used for the foster unit of auxiliary tube and carries out the daily work of patrolling and examining with manual type, and information that it collects and patrol task related data are stored in the document data base; The disease administration module is used for finding the management work of disease to patrolling and examining process;
All data of system show in the subscriber interface module of structure early warning foreground through integrating the back, and the management system personal information, the system journal that comprise the system of warning message and system error message are sent to the system operation database of record and carry out record.
2. the suspension bridge structure monitoring over strait system based on EPA according to claim 1; It is characterized in that: said 3D animation model device management module shows the data and relevant static state and dynamic data of each sensor of total system, power-supply unit and communication facilities intuitively with the form of three-dimensional animation, and utilizes the GPS technology to accomplish the mensuration to bridge key member real-time displacement;
Said 3D animation model device management module and data transmission and processing and control module are in the same station server of Surveillance center; 3D animation model device management module can automatic log-on data transmission process and control module when starting.
3. the suspension bridge structure monitoring over strait system based on EPA according to claim 1; It is characterized in that: the direct and remote data acquisition end-on of said data transmission and processing and control module; The on-the-spot all the sensors data of bridge get into said data transmission and processing and control module through fiber optic network, realize the transmission, demonstration, pre-service of original test data and to the control function at remote data acquisition terminal.
4. the suspension bridge structure monitoring over strait system based on EPA according to claim 1 is characterized in that: said monitoring and analytical database are preserved each signal source raw data file with management data collection module, pre-processing module, structural safety evaluation module, demonstration in real time and early warning module and 3D animation model device management module; Said analysis result and report database are used for storing the report messages with management structure safety assessment module; Said system operation database of record is used for storing and managing data transmission is handled and control module; 3D animation model device management module; Structural safety evaluation module, the system personnel information that comprises warning message and system error message, system journal and the real time data relevant of demonstration and early warning module and structural health early warning foreground subscriber interface module in real time with the 3D interface; Said system documentation database storing and the information material of managing the total system all hardware that comprises structural safety evaluation module, monitoring and analytical database, disease administration module and inspection management module.
5. the suspension bridge structure monitoring over strait system based on EPA according to claim 1 is characterized in that: the generation that said inspection management module is accomplished editor to bridge unit's patrol plan, arranges, examined, the result checked and accepted and patrolled and examined calendar.
6. the suspension bridge structure monitoring over strait system based on EPA according to claim 1; It is characterized in that: the corresponding each patrol task typing of said disease administration module is patrolled and examined the result and is made up typing and patrols and examines the result; Dynamically generate the bridge defect tabulation, and to the bridge defect prediction of giving a mark.
7. the suspension bridge structure monitoring over strait system based on EPA according to claim 1, it is characterized in that: said structural safety evaluation module comprises sub-function module: subscriber interface module, weekly monthly magazine module, assessment data file generating module, damage identification module, internal force state recognition module, adaptability evaluation module, analysis of fatigue module, wind and structural dependence analysis module and system help module; It generates the report form of bridge monitoring automatically, and report content comprises each monitoring project mechanical index, passes through bridge structural dynamic test data, the damage discriminance analysis of implementation structure; Carry out the state recognition of bridge dead load internal force, provide the evaluation of current internal force state and safeguard suggestion; Tired focus to bridge steel case beam carries out analysis of fatigue, carries out the fatigue lifetime of steel case beam measuring point and estimates; Corresponding analysis of structure to bridge relevant position under wind action.
8. the suspension bridge structure monitoring over strait system based on EPA according to claim 1, it is characterized in that: said warning function module comprises sub-function module: environment rainfall amount monitoring modular, Sarasota cushion cap earthquake motion monitoring modular, Sarasota vibration detection module, Sarasota off normal monitoring modular, end reaction monitoring modular, steel case beam length travel monitoring modular, steel case beam vibration monitoring modular, steel case stress beam monitoring modular, steel case beam line style monitoring modular, steel box-beam structure temperature monitoring module, steel case beam atmospheric temperature monitoring modular, main push-towing rope monitoring modular and acquisition station warehouse humiture monitoring modular; It realizes each monitoring project of native system, comprises environmental factor, load source and bridge structure corresponding demonstration and the warning function under abnormal conditions in real time; It is through data transmission, processing and the control module receiving real-time data of the Ethernet in the Surveillance center on data processing and the Control Server; Carry out the real-time demonstration of each monitoring project signal of system; And carry out necessary aftertreatment, early warning in time under abnormal conditions.
9. the suspension bridge structure monitoring over strait system based on EPA according to claim 1, it is characterized in that: said structure early warning foreground subscriber interface module comprises submodule: main interface module, trend map module, record management module, personal management module, device management module, replacing skin module, historical data statistical module and help module; Its auxiliary keeper realizes to the corresponding function operation of bridge monitoring and to the tendency of bridge architecture quality trend, provides equipment, personnel that the bridge pipe is supported unit to manage and the historical data statistics.
10. the suspension bridge structure monitoring over strait system based on EPA according to claim 1; It is characterized in that: said Video service module comprises Network Video Surveillance, traffic data management and systematic electricity configuration monitoring submodule; Realization is carried out video monitoring to each main member of bridge; Each track of bridge is monitored, and checked and traffic control, and monitor the power supply situation of each acquisition station on the bridge in real time according to vehicle, the speed of a motor vehicle, car weight and axletree corresponding data.
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| CN2010102281228A CN101937214B (en) | 2010-07-13 | 2010-07-13 | Industrial Ethernet based monitoring system of sea-crossing suspension bridge |
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| CN2010102281228A CN101937214B (en) | 2010-07-13 | 2010-07-13 | Industrial Ethernet based monitoring system of sea-crossing suspension bridge |
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| CN101937214B true CN101937214B (en) | 2012-09-05 |
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