CN109978741A - Wisdom traffic information service application system and method based on cloud platform - Google Patents
Wisdom traffic information service application system and method based on cloud platform Download PDFInfo
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Abstract
The present invention relates to a kind of wisdom traffic information service application system and method based on cloud platform, wherein the system includes terminating layer and central platform module.Using the wisdom traffic information service application system and method based on cloud platform, pass through the technologies such as cloud computing, cloud storage, it realizes and unified planning and construction is carried out to traffic related service, it can not only provide for multistage unit department and be serviced using brace foundation platform service and data storage, disaster tolerance, exchange etc., also improve the compatibility and availability of application, accelerate the deployment of operation system, improve the utilization rate of hardware resource, per-unit system construction costs and day-to-day operation maintenance cost at different levels are reduced, energy consumption is reduced.Pass through the traffic cloud for making " interconnection of traffic wisdom, shared information service " simultaneously, realize the intelligence and fining of road network management, bus or train route collaboration and trip information service, level of service and operational efficiency are improved, keeps traffic information application more efficient, there is wider application range.
Description
Technical field
The present invention relates to cloud field more particularly to field of intelligent transportation technology, in particular to one kind to be based on cloud platform
Wisdom traffic information service application system and method.
Background technique
Traffic information usually includes Fundamental Geographic Information System, traffic real time status information, traffic control and management information, traffic
Policies and regulations information and public traffic information.According to the temporal feature of information, traffic information can be divided into static information and dynamic is believed
Breath.Wherein, static information is relatively stable within considerable time, and multidate information refers to and is distributed in urban road network
Real-time traffic states change according to the actual traffic situation moment.Static information includes traffic geography letter related with urban transportation
Breath, transport structure, Urban Transport Policy and regulation and urban traffic control system etc.；Multidate information includes that reflection city is handed over
The characteristic parameter of through-flow real time status, traffic accident information, Weather information, real-time traffic administration control information, vehicle and go out
Passerby's Demand and service information etc..It is real to have to pass through traffic information processing ability for application and service from traffic information to traffic information
Traffic information data that is existing, obtaining from metadata provider, is typically passed through the work such as protocol conversion, map match, data processing
It just can be carried out further application.
Traditional travel information, which is mainly broadcasted, to convey to user, while information service platform is obtaining real-time traffic
There is also certain difficulties for situation, this just inevitably has the following problems:
(1) Traffic information demonstration real-time is not high；
(2) available information service type is single, diversity missing；
(3) it is not high to share accuracy for road section traffic volume situation；
(4) the disadvantages of upgrading and transformation of system platform are difficult.
Transportation information service systems are mainly to be formed with after processed and processing according to the telecommunication flow information acquired in real time
Conducive to the traffic information of traveler trip, and these information are needed to pass to traveler in time.Current main problem is reality
When traffic information collection source not enough extensively, the breadth and depth of the system integration is inadequate, the not formed unification of traffic-information service is comprehensive
The system etc. of conjunction.Furthermore a big feature existing for urban traffic control is exactly multihead management (the traffic police group, friendship of traffic at present
The units such as logical shipping office, physical construction planning office, Bureau of City Administration), lack information sharing, data are accurate in real time
Transmitting.
With signal detection technique, the rapid development of network technology, the communication technology, computer technology, advanced traffic letter
Basis, network can be communicated according to city by ceasing service system ATIS (Advanced Traveler Information System)
Basic, road traffic basic condition, provides Real-time Traffic Information service for traffic administration person, traffic trip person.By means of intelligence
Energy traffic service system, the traffic capacity of traffic infrastructure will be excavated further, traffic congestion will obtain in various degree
Alleviation；Traffic events early warning, rescue system will be more perfect, and traffic the wounded can obtain more timely rescuing, so that vast general
Logical common people's trip is safer, more convenient, more reliable, further increases and improve traffic-information service quality.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned prior art, provide a kind of intelligentized based on cloud platform
Wisdom traffic information service application system and method.
To achieve the goals above, the wisdom traffic information service application system of the invention based on cloud platform has as follows
It constitutes:
The wisdom traffic information service application system based on cloud platform, is mainly characterized by, and the system includes eventually
End layer and central platform module, the central platform module are connected by Web communication layer with the terminating layer；
The data monitored are reported to the central platform and service mould by the terminating layer for monitoring each terminal
Block；
The central platform module uses hierarchical design, according to the data monitored, for providing data money
Source and integrated application server-side, and support all kinds of services based on cloud platform.
The central platform module of the wisdom traffic information service application system based on cloud platform includes:
Data resource layer, for providing the data resource including traffic base database and service database；
Cloud platform Attendant sub-module, comprising:
Using supporting layer, for polymerizeing the data resource；
Application system level, for providing required integrated application server-side according to the data resource after the polymerization；
Information issues layer, for releasing news by communication terminal, and supports all kinds of services based on cloud platform.
The cloud platform Attendant sub-module of the wisdom traffic information service application system based on cloud platform includes:
Accumulation layer, for being managed based on memory node to local hard disk, file and data block；
Management level, for carrying out cluster management and multi-zone management；
Access layer supports the access of each application system for providing access interface；
Application layer, for providing required integrated application server-side.
The system of the wisdom traffic information service application system based on cloud platform further includes place construction module and guarantee
Module.
The place construction module of the wisdom traffic information service application system based on cloud platform includes ITS Information
Administrative center and computer room construction unit.
The assurance module of the wisdom traffic information service application system based on cloud platform include security assurance information unit,
Construction and operation management support Unit and standard criterion support Unit.
This realizes the application method of wisdom traffic information service based on above system, is mainly characterized by, the method
The following steps are included:
(1) terminating layer described in is forwarded the real time data that it is monitored, while the data resource layer provides packet
Traffic base database and service database are included in interior static data；
(2) the cloud platform Attendant sub-module described in receives the forwarding data and the static data；
(3) the cloud platform Attendant sub-module described in handles the forwarding data and the static data；
(4) cloud platform Attendant sub-module described in is by the platform of treated data are supplied to needs.
It further include that the data temporarily created are deposited in the step of application method of the realization wisdom traffic information service (1)
Storage area, for collected data to be supplied to the cloud platform Attendant sub-module.
Using the wisdom traffic information service application system and method based on cloud platform in the invention, have with following
Beneficial effect:
(1) mass data storage, dilatation ability are strong:
The PB grade data increment increased night and day can be reliably stored and processed, traffic information service platform future is met
Mass data amount extend demand, the data for scientifically and rationally acquiring each detection terminal swap convergence processing and comprehensive benefit
With；
(2) unified convergence fusion, highly reliable:
(2.1) by distributed type assemblies technology, the memory space of all memory nodes is managed collectively, resource pool chemical conversion one
A unified memory space pond.Simultaneity factor guarantees that the filename of All Files in naming space, realizes file access
Naming space.The unitized of resource is realized in the unified management in cluster-based storage space simultaneously.It is uniquely accessed by cluster again
IP is externally rendered as a unified entirety.Data do not need to transmit between upper-layer service system, and any system needs to fetch
According to can directly access cloud storage to obtain；
(2.2) data reliability is most important, is the antecedent basis of operation system core application.Since cloud storage is to be based on
One distributed file system, when design, assume that any machine frame, arbitrary node, any hard disk are all likely to occur failure, by point
Data redundancy, data manipulation log, the metadata master-slave redundancy of cloth, data the number of mechanisms such as restore automatically handling these therefore
Barrier, to ensure the reliable and secure of data；
(3) high speed concurrently accesses, and improves efficiency:
(3.1) file slice and file slice should be used based on the wisdom traffic information service application system of cloud platform
The data dispersing mode for inside carrying out redundancy between node again allows client to efficiently use the polymerization that numerous memory nodes provide
Network bandwidth realizes that high speed concurrently accesses.Client accesses meta data server, acquisition will when accessing cloud storage first
Then the back end information interacted therewith directly accesses these back end and completes data access；
(3.2) only control is flowed between client and meta data server, and no data stream, is thus significantly reduced
The load of meta data server is allowed to not become a bottleneck of system performance.It is directly transmitted between client and back end
Data flow, simultaneously because file, which is dispersed to multiple nodes, carries out distributed storage, client can access multiple nodes simultaneously
Server, so that the I/O highly-parallel of whole system, systematic entirety can be improved.
(4) social benefit is improved:
(4.1) information approach should be utilized to improve transportation asset benefit based on the wisdom traffic information service application system of cloud platform
With rate, across unit department system combination and office collaboration are improved, to major event rapid response speed and emergency command, is determined
Plan analysis ability.The core of traffic is people, carrier of the system platform as urban traffic information service, all for different objects
Targetedly service meets the information demander that citizen's holostrome time is grown to from city；
(4.2) further, traffic is mainstay of the national economy industry, and traffic trip is related to national economy, relationship
To the sustainable development in city, traffic is saved, green traffic will also generate economic benefit.After product comes into operation, the peace of road
Overall coefficient will be promoted effectively, reduce the economic loss as brought by traffic offence.Meanwhile the application of this system will save trip
Time reduces energy consumption, protection environment, improves the quality of living, and increases the people to the satisfaction of traffic.
Using the wisdom traffic information service application system and method based on cloud platform, by making, " traffic wisdom is mutual
The traffic cloud of connection, shared information service " realizes road network management, the intelligence of bus or train route collaboration and trip information service and fine
Change, improve level of service and operational efficiency, makes traffic information application more quickly and efficiently.
Detailed description of the invention
Fig. 1 is the configuration diagram of the wisdom traffic information service application system of the invention based on cloud platform.
Fig. 2 is the configuration diagram of cloud platform Attendant sub-module of the invention.
Fig. 3 is the data flow diagram of the application method of realization wisdom traffic information service of the invention.
Specific embodiment
It is further to carry out combined with specific embodiments below in order to more clearly describe technology contents of the invention
Description.
Refering to Figure 1, it is the framework of the wisdom traffic information service application system of the invention based on cloud platform
Schematic diagram.The wisdom traffic information service application system based on cloud platform, is mainly characterized by, the system includes terminal
Layer and central platform module, the central platform module are connected by Web communication layer with the terminating layer；
The data monitored are reported to the central platform and service mould by the terminating layer for monitoring each terminal
Block；
The central platform module uses hierarchical design, according to the data monitored, for providing data money
Source and integrated application server-side, and support all kinds of services based on cloud platform.
The central platform module of the wisdom traffic information service application system based on cloud platform includes:
Data resource layer, for providing the data resource including traffic base database and service database；
Cloud platform Attendant sub-module, comprising:
Using supporting layer, for polymerizeing the data resource；
Application system level, for providing required integrated application server-side according to the data resource after the polymerization；Information
Layer is issued, for releasing news by communication terminal, and supports all kinds of services based on cloud platform.
It please refers to shown in Fig. 2, is the configuration diagram of cloud platform Attendant sub-module of the invention.This is based on cloud platform
The cloud platform Attendant sub-module of wisdom traffic information service application system includes:
Accumulation layer, for being managed based on memory node to local hard disk, file and data block；
Management level, for carrying out cluster management and multi-zone management；
Access layer supports the access of each application system for providing access interface；
Application layer, for providing required integrated application server-side.
The system of the wisdom traffic information service application system based on cloud platform further includes place construction module and guarantee
Module.
The place construction module of the wisdom traffic information service application system based on cloud platform includes ITS Information
Administrative center and computer room construction unit.
The assurance module of the wisdom traffic information service application system based on cloud platform include security assurance information unit,
Construction and operation management support Unit and standard criterion support Unit.
It please refers to shown in Fig. 3, the data flow for the application method of realization wisdom traffic information service of the invention shows
It is intended to.This realizes the application method of wisdom traffic information service based on above system, is mainly characterized by, the method includes
Following steps:
(1) terminating layer described in is forwarded the real time data that it is monitored, while the data resource layer provides packet
Traffic base database and service database are included in interior static data；
(2) the cloud platform Attendant sub-module described in receives the forwarding data and the static data；
(3) the cloud platform Attendant sub-module described in handles the forwarding data and the static data；
(4) cloud platform Attendant sub-module described in is by the platform of treated data are supplied to needs.
It further include that the data temporarily created are deposited in the step of application method of the realization wisdom traffic information service (1)
Storage area, for collected data to be supplied to the cloud platform Attendant sub-module.
In practical applications, being somebody's turn to do the wisdom traffic information service application system based on cloud platform includes: place construction, terminal
Layer, Web communication layer, data resource layer, using supporting layer, application system level, information represent layer and information security, standard advise
Three model, management system security systems.
(1) place construction is that ITS Information is served by one of system important foundation, mainly includes that intelligent transportation is believed
Cease administrative center and computer room construction.
(2) terminating layer mainly include flow detection terminal, event detection terminal, signal control terminal, Video Monitoring Terminal,
Field detecting terminal, GPS terminal, IC card toll administration terminal, electronic police terminal, hinge operation detection terminal etc. stop eventually
End equipment.
(3) Web communication layer mainly includes the important node equipment of network link, mainly there is router, interchanger, hardware
Firewall, intelligent Intrusion Detection System etc..
(4) data resource layer mainly includes various types of traffic base databases and service database, contains public passenger transport
Data, vehicle data, parking data etc..
(5) using supporting layer mainly include data exchange, data analysis, middleware, cloud platform management software, virtualize it is soft
Part, clustered software etc..
(6) application system level mainly includes trip information service system, parking guidance system, infrastructure intelligent monitoring system
The application systems such as system, delivery vehicle intelligent monitor system, public transport electronic station board system.
(7) information publication layer mainly includes the much informations such as website, mobile phone, TV, broadcast, induced screen, vehicle mounted guidance hair
Mode for cloth supports all kinds of services that platform is used by different terminals.
(8) system security system mainly includes that standard criterion security system, Information Security System, construction and operation are protected
The big security system of barrier system three.
The characteristics of for the complicated variety of traffic data and related service, needs to establish a set of standard criterion system
Development process is instructed, guarantees that first progress, normalization and the duration of project, standard criterion System Construction include following four side
Face: information services standards, metadata standard, data source standard and each layer of basic data resource library system model are according to one
Set standard criterion system carrys out Implement Construction, and entire development process is instructed to go on smoothly.For the data between different government departments
Interaction, the especially important data such as public security department, establish a set of Information Security System and are also very important.Therefore cloud is flat
The Web communication layer of platform is related to intelligent Intrusion Detection System, also comprising important safeguard procedures such as hardware firewalls.
The application layer of platform is the core of whole system, using cloud computing and big data technology, supports the physics to bottom
Resource and Various types of data resource carry out scientific and effective management, provide environment deployment and business component for the service application on upper layer.Its
Middle data exchange and analysis platform mainly manage data processing and data mining, and the two is the unified relationship of cooperation, data processing
Engine carries out the master data that transport layer passes over to pick the operations such as weight, cleaning and leak repairing, and initial data is converted to system
Unified standard data format, a stepping row data analysis mining of going forward side by side meets analytic type traffic application demand.Cloud management software
Complete the management and scheduling to entire supporting service platform correlation IT resource.
In practical applications, the information system based on cloud platform includes four layer functions, to meet the end of different institutions
End subscriber demand and the regular job demand of system manager, operation personnel:
(1) accumulation layer: it is based on memory node, manages local hard disk, file and data block.
● hard disk hot-plug: storage management layer synchronizes the file information in hard disk, and hard disk increases and deletes in management node；
● hard disk drift: replaced when node failure with new storage equipment, fast quick-recovery data；
● tuning local file system: is carried out to the local file system that operating system carries；
● object data block management: the multiple data blocks formed after object storage to node are operated.
(2) management level: the managerial ability of single cluster and multiple domain is provided.
● node administration: manage multiple memory nodes, offline, collection nodal information in supporting node；
● load balancing: according to the CPU of node, network, disk loading condition, dynamic select node work most lightly loaded
Make；
● High Availabitity HA: data are carried out to two metadata and are synchronized, active-standby switch is quickly carried out when breaking down for one；
● Object Management group: the Object Operations request at customer in response end distributes suitable memory node for object, provides unique
ID；
● unified directory: providing the catalog views of file object, supports file path and presses range query；
● operation management: providing O&M Web service, and holding equipment dynamic addition is deleted, and file restores manually, system upgrade
Deng；
● multi-zone management: multiple cloud storage systems are managed collectively by index, universe unique document path is provided；
(3) access layer:
● basic SDK: cloud storage system can directly be accessed by SDK, carry out constituent instruments operation；
● Streaming Media SDK: based on basis SDK encapsulate, support Streaming Media be written and establishes frame index, according to the time period position with
It reads；
● POSIX driving: being encapsulated based on basis SDK, provides Windows/Linux driving, cloud storage is modeled to local
Hard disk；
● NFS/CIFS gateway: by server, provide Network File System service；
● WebService: by Web server, file Web service is provided, and the interface form of RESTful is provided；
(4) application layer:
● service application layer is disposed as each user integrated application server-side according to made of the customized exploitation of self-demand；
● the various interfaces for making full use of interface layer to provide provide information retrieval, data mining is studied and judged, traffic guidance, public affairs
The application systems such as crowd's trip service, networking share.
In practical applications, the coupling between system modules can be not only reduced using layer architecture, mentioned simultaneously
Function cohesion between high module, and be conducive to the multiplexing that code is realized during system actual development, it greatly improves
Working efficiency simultaneously reduces development cost.
The advantages of this system, is also embodied in the analysis design aspect of traffic-information service, using the analysis side of function modeling
Method is furtherd investigate according to operation flow on this basis, and data are divided into basic database and service database, are gone forward side by side
One step is decomposed into functional domain and two kinds of business domains, carries out rationally effective combination to the process in concrete function area, and then realize new
Progressive information service application function.
The function of the wisdom traffic information service application system based on cloud platform is as follows:
(1) concentration to Metropolitan Integrative Traffic information resources, unified management aggregation feature: are realized
The wisdom traffic comprehensive analysis and information service application platform for first having to build trans-departmental data fusion have to beat
Break interdepartmental " isolated island " storage problem, establish traffic information application platform and Government departments for example municipal administration, communications and transportation,
Data exchange interface between the division units such as construction plan, traffic police builds up unified data convergence platform, realizes cross-layer
Grade, it is trans-departmental between more stable data exchange and shared.On this basis, the public of each department relevant to traffic is integrated
Information resources, access municipal administration, municipal administration, planning, meteorology, passenger traffic, public transport operation, road situation etc., enrich and " hand over
The intension of logical information cloud " is built up whole city's concentration, unified synthesis " transportation information resource pond " substantially, is realized to whole city's multi-source
Effective integration, data fusion and the integrated management of the traffic-relevant information of channel.
In order to construct the standardized information interaction mechanism under the conditions of smart city, all kinds of moneys of integrating society big traffic information
Source, system realize more equipment collaborations in internal system using distributed type assemblies design and virtualization design based on cloud framework
Work, the virtual integration of performance and resource, are utilized hardware resource and memory space to greatest extent.Meanwhile it is transparent by opening
Application interface and administration interface easy to use be that the traffic in entire city is believed after the integration of the application platforms of different departments
Breath application system provides efficient, reliable data convergence and storage service.
(2) data mining duty: the ITS Information center service platform close to application in actual combat is constructed
Data source based on traffic integration information platform and convergence sufficiently excavates basic information using cloud computing technology
Inherent value provides richer application for " intelligent transportation cloud " and lays the foundation.Big data analysis technology is utilized, simultaneously with geography
Informix database and electronic map are that the major interfaces of workbench support, and are to carry with traffic control center computer network
Body carries out deeply developing for traffic control application in actual combat function.Platform number based on data resource is divided according to main business workflow
According to library and service database, in conjunction with trip information service system, parking guidance system, infrastructure monitoring system, delivery vehicle
Monitoring system etc. realizes various traffic management information integratings, in-depth processing and value-added service, makes various dynamic and static traffic
Information one integrated mass is complementary to one another, and is convenient for commanding's quick decision, fast reaction and responding, guarantees the safety of traffic and smooth
It is logical.
Construction macroscopic view and the urban transportation of microcosmic combination run overall evaluation system, on the basis of existing traffic data,
Deep mining analysis is carried out with data of the cloud computing technology to magnanimity, macro and micro is formed and combines, point-line-surface manages phase
In conjunction with analysis report and warning information.Such as by the convergence to road network traffic state information, which traffic road analyzed
It mouthful is that congestion points are led in normal hair sexual intercourse, thus for road improvement means of transportation, optimization Road Traffic Organisation's scheme, deployment of police strength etc.
Reference frame is provided.Impacting technology is compared using multi-dimensional data, decision support is provided for the formulation of traffic policy, realizes in advance
It analyzes and studies and judges.The association analysis lateral to the expansion of the information such as accident, illegal, motor vehicle, driver, is shelled layer by layer from different perspectives
From finding out its inner link.Such as can be traced back to and whether be caused by illegal by accident, what kind of vehicle, what
Age bracket and the people of driving age etc., until being inferred to that the root of the accident occurs.To such as traffic restricted driving Policy Effect
Anticipation, caused by temporary traffic measure of control influence etc. carry out modeling analysis, thus ahead of time carry out emergency traffic command predetermined plan with
Management improves traffic administration science decision level, provides effective traffic data support for citizens' activities.
(3) sharing functionality: reasonable disposition traffic resource provides comprehensive traffic information
This system design when consider municipal intelligent traffic construction actual conditions, make full use of built it is all kinds of
Intelligent transportation equipment, such as the data of semaphore and electricity police and bayonet system acquisition；The interface of reserved floating car data simultaneously,
In the case where hardly investment specialized facilities construction fund, the distribution density of magnitude of traffic flow acquisition equipment, solution are greatly improved
Crucial information source in ITS Information application platform of having determined.It is effectively save so as to avoid the repeated construction of headend equipment
Investment.
The urban transportation integrated information service platform of this programme believes telecommunication flow information, signal control information, parking lot
The information such as breath, road condition information, video monitoring are shared in unified cloud platform, overall process traffic information are formed, to friendship
Logical manager and traffic trip person service.Platform has dynamic road traffic information and static parking position information of park
Machine combines, and traffic trip person is enabled to reasonably select travel time, path or even parking site, provides from driving parking
Soup-to-nuts service.
On the other hand, also break information interchange estrangement between traffic administration person, finish the office that each department fights separately
Face can be managed and monitor to the various aspects for being related to traffic trip process, hold traffic condition comprehensively.Such as platform energy
The parking stall service condition in parking lot is enough counted, point in parking lot is studied in one day or the utilization rate in a middle of the month in analysis parking lot
Whether cloth and size setting are reasonable, assist department, municipal administration to grasp the operation conditions of shutdown system comprehensively, provide for scientific management
Important data are supported.It can be traffic programme department formulation soil plot ratio, mating by the analysis to parking position information
Parking area planning, Traffic Impact Analysis etc. provide data and support.
Shared carrier of the cloud platform as urban traffic information service, can to different levels traffic administration person, service
Department, traffic trip person provide the service of sectionalization, meet the information demander that citizen's holostrome time is grown to from city.For city height
Grade traffic administration person, traffic integrated information service platform can pass through the side of war communique weekly or system-wide net grade traffic congestion index
Formula helps its macroscopic view to understand the overall operation situation of municipal intelligent traffic, formulates public policy for it and provides decision support.For
The traffic administrations persons such as traffic police, platform can be informed specific by way of crossing grade traffic congestion index or specific traffic information
The traffic information in section is protected smooth convenient for its unimpeded that takes reasonable measure.For department, municipal administration, cloud platform can share other departments
Information, expand the application surface of digital urban management.For planning construction department, specific road grid traffic information and variation can be provided
Trend helps it to optimize road network structure or improves the canalized design of crucial transport node；Meanwhile telecommunication flow information is also construction item
Purpose traffic impact analysis provides data supporting.For traffic trip person, platform can pass through multiple means, real-time release traffic
Situation makes it select more reasonable trip mode, travel time, trip route, alleviates urban traffic blocking.
(4) function: the science of traffic order, fine-grained management is managed
The urban transport problems such as traffic congestion, environmental pollution, energy crisis are increasingly sharpened, and how traffic trip to be allowed more to pacify
Entirely, more intelligent, more green is the emphasis considered in following wisdom traffic construction.Pass through the traffic data organizer of sand table
Formula can intuitively grasp the magnitude of traffic flow and flow to situation, Traffic Signal Timing situation, road canalization situation, roading and apply
The specific comprehensive management of traffic order relevant information such as work situation, realizes intelligence, the fine-grained management of traffic order.
In order to effectively promote road traffic efficiency, system will be reinforced in conjunction with intelligent signal control system to traffic algorithm
Research and emulation.And in conjunction with traffic flow theory, control theory and Optimum Theory, the viewpoint optimal from intersection overall efficiency
It sets out, with multi-agent Technology, active priority acccess control strategy and Optimized model under research trends environment make it have and be based on
The dynamic coordinate optimization ability of intersection group.
Further, Urban Rail Transit Development is effective way the problems such as solving environmental pollution, energy consumption, tool
Have the advantages that freight volume is big, low energy consumption, pollution is small.The urban tram intelligent traffic signal control optimisation technique of research is carried out
It applies on the spot and dynamic optimization, it is ensured that the traffic flow moment in control area is in optimal operational condition.Between Adjacent Intersections
Tramcar can obtain the right-of-way not stopped as far as possible, substantially reduce vehicle produced by the frequent acceleration and deceleration in intersection
Traffic pollution, reduce vehicle energy consumption, shorten vehicle intersection by red light block caused by the delay time at stop, improve
The punctuality rate of vehicle.The social wagon flow driven into simultaneously for the non-tramcar driving direction of level crossing and adjacent intersection is closed
Reason control, prevents other direction public vehicles from generating congestion.Project runs special from the urban tram under signal control condition
Sign analysis is sets about a little, building region intersection group signal system tramcar priority acccess control model and preference strategy.
(5) command function: enhancing traffic management level promotes trans-departmental traffic information linkage and emergency event processing energy
Power:
The module of wisdom traffic information service platform is integrated comprising T-GIS, command dispatching system is integrated,
Aid decision is integrated, alert is informed of a case manages that integrated, duties management is integrated, traffic program management is integrated, magnitude of traffic flow acquisition, place
Reason, the integrated of delivery system, means of transportation equipment management system are integrated, police car positioning system is integrated, single alert positioning system is integrated,
The integrated and informix of non-at-scene service platform studies and judges the integrated of system.Pass through the comprehensive fortune of a variety of traffic administration means
With realizing urban traffic control to technicalization, intelligentized promotion.It, can be effectively with pre- when burst, emergency event occurs
Case, rational allocation resource timely respond to handle at the first time.
(1) traffic organization of burst major event
When serious traffic events occur for local section or Important Sections, operator can by information service platform, into
The rapid evacuation of row direction traffic stream.In order to improve working efficiency and operation convenience, system supports the artificial letter in GIS map
Along the section for realizing rapid evacuation needed for single click selection.Based on the technology of the green wave of rapid configuration, system can give birth to automatically
At regulation section and the dispersal plan of flow direction.When embodiment, platform is capable of the real time monitoring and signal at each crossing of auto-associating
Timing picture monitors for operator and executes orientation rapid evacuation.
(2) traffic organization in the case of hazard weather
Platform, which has, carries out shared mode with multiple traffic departments, when such as hazard weather is to attack, can use institute
Some approach, including induced screen, taxi LED screen, TV, broadcast, mobile phone etc. issue weather and control traffic message, will be accurate
Traffic management information be issued in all personnel in time, convenient for making counter-measure in advance.
(3) festivals or holidays traffic organization and management
The case where festivals or holidays often will appear traffic large passenger flow, sight spot, highway, important transport hub is caused to be gathered around
Stifled, platform can be believed Traffic Signal Timing, Traffic information demonstration, parking lot information, policeman GPS by the mode of prediction scheme
Breath etc. carries out comprehensive analysis, forms the contingency mode of reply festivals or holidays traffic administration, ensures the traffic administration of festivals or holidays.
(4) the prediction scheme traffic organization of occasion
In such as mega-exhibition, movement meeting, convention, generally require to carry out traffic organization and preparation in advance.This
Platform supports the traffic administration of prediction scheme, and the prediction scheme tools of exploitation can quick Fabrication or generation on the electronic map
The prediction schemes such as layout of roads, each categories within police force police strength deployment, emergency measure, to realize the filing management to prediction scheme, and can be at any time
It is adjusted, prints rapidly, issue constituent parts and carry out work arrangements immediately.And traffic control measure can be deployed in advance
In platform, cooperation carries out simulated maneuver.
(5) feedback and processing of municipal administration's information
Platform provides the aggregation scheme of municipal administration's information, lifts when being connected to clue or masses phone of each department about municipal administration's problem
Report is complained, and system can automatically record or manual entry, and feeds back information to department, municipal administration；According to event property, department, municipal administration
Some functional government departments is specifically divided into be handled.
(6) service function: Metropolitan Integrative Traffic information multiple service
The multiple service of normality traffic is capable of providing a variety of comprehensive traffics towards municipal administration's system and transportation system
Information published method, and all kinds of traffic informations are subjected to comprehensive display.
(1) data show visualization, and public security traffic business is intuitively showed based on GIS map
Platform is support with generalized information system, is operated based on electronic map, and cooperate Visual Chart mode more intuitively
Serve public security traffic business.The various equipment such as the electric police at scene, bayonet, monitoring, flow, induction are carried out by GIS map
Real time inspection has access to monitoring video, to obtain present road accurate information.Map also supports display equipment state, cloth to withdraw a garrison
State, vision signal state play the functions such as video window, display prediction scheme.
(2) traffic situation analyzes precision, and real-time exhibition traffic circulation is horizontal
Urban traffic blocking index is to reflect that road network is unimpeded or the concept sex index of congestion according to road situation
Value.Road network is calculated by multi-source datas, founding mathematical models such as the alert bayonet of integration electricity, Floating Car, signal, flow collections
In each section operating speed, each crossing traffic flow and occupation rate simultaneously generate traffic behavior, then press each road, the congestion at crossing
The congestion comprehensive integration of all roads in city is one " traffic circulation index ", with succinct, intuitive digitlization by weight
System-wide net traffic noise prediction is described.By the data statistic analysis of multi-source, fining exhibition is carried out to the lasting degree of congestion
Show, specifically includes region congestion index, section congestion index, crossing congestion index three classes.And for convenient for intuitively showing
The traffic circulation of system-wide net is divided horizontally into 5 grades by ruck, and each rank generally indicates in different colors.
(3) multi-source information real-time release, intelligence guidance
The real-time parking space information that Metropolitan Integrative Traffic information platform is provided by convergence Urban Administrative Bureau, passes through network, movement
The multiple means such as terminal, outdoor induced screen are issued to traffic trip person.Real-time parking guidance can provide just for the crowd of parking
Prompt timely parking position information of park, makes it to find suitable parking position in a relatively short period of time, thus reduce because
Parking position is found in the automobile quantity that public way space is cruised, slows down road traffic congestion.
Low-carbon green trip is advocated, real-time traffic states and dynamic traffic guidance are provided.Using LED screen in information service model
Interior will provide in key area for pedestrian's traveler is provided and changes to the information such as prompt and Route guiding, and guarantees that information timely updates.
Citizen can choose a variety of travel modals and combine to mutual, such as P&R (Park&Ride) park and shift mode, so as to improve going out
Row structure, to improving, transit trip is significant.
In addition in places such as road periphery, railway station entrances to send road information and emergency information.Pass through
The accident information and abnormal congestion information combination platform out is fed back by traffic behavior that video traffic event detector provides
Intelligent detecting function alarm in time, induction publication carried out to peripheral path wagon flow, guidance vehicle rationally detours, on duty
Before people's police rush to scene, alleviate the degree of congestion in road as far as possible.Fusion front end is acquired device events detection technique by service platform,
It is alarmed rapidly emergency event and is disposed guidance, traffic impact is minimized.
In conclusion the research and development and application of new science and technology, new technology will constantly improve entire traffic overall situation, wisdom traffic letter
Breath, which is served by system, as the new demand of society further adjusts update, will also make " interconnection of traffic wisdom, shared letter
The traffic cloud of breath service " realizes the intelligence of road network management, bus or train route collaboration and trip information service, improves traffic safety
Horizontal and operational efficiency.In following wisdom traffic construction, it will promote taking human as core, people, vehicle, road, environmental synergies
Strategy.Wisdom traffic information service cloud platform will provide the fining information service of urban transportation, improve intelligent transportation resource
Utilization efficiency enhances foresight, initiative and the concertedness of communications and transportation operational management, promotes people and road, people and vehicle, vehicle
With the harmony of vehicle, interconnect.
In practical applications, wisdom traffic Information application service platform relies on the technologies such as cloud computing, cloud storage, realizes to friendship
Logical related service carries out unified planning and construction.It is logically presented after all resource consolidations in single whole form, and can
Dynamic expansion and configuration are carried out on demand.Can be provided for multistage unit department using brace foundation platform service and data storage,
The service such as disaster tolerance, exchange, unified management, distribution according to need, the comprehensive utilization of optimized integration software and hardware resources enhance data center
Manageability improves the compatibility and availability of application, accelerates the deployment of operation system, promotes the utilization rate of hardware resource, drop
Low per-unit system construction cost at different levels and day-to-day operation maintenance cost reduce energy consumption.
In practical applications, the hardware device of the wisdom traffic information service application system of the invention based on cloud platform is such as
Shown in table 1:
The hardware device of wisdom traffic information service application system of the table 1 based on cloud platform
Using the wisdom traffic information service application system and method based on cloud platform in the invention, have with following
Beneficial effect:
(1) mass data storage, dilatation ability are strong:
The PB grade data increment increased night and day can be reliably stored and processed, traffic information service platform future is met
Mass data amount extend demand, the data for scientifically and rationally acquiring each detection terminal swap convergence processing and comprehensive benefit
With；(2) unified convergence fusion, highly reliable:
(2.1) by distributed type assemblies technology, the memory space of all memory nodes is managed collectively, resource pool chemical conversion one
A unified memory space pond.Simultaneity factor guarantees that the filename of All Files in naming space, realizes file access
Naming space.The unitized of resource is realized in the unified management in cluster-based storage space simultaneously.It is uniquely accessed by cluster again
IP is externally rendered as a unified entirety.Data do not need to transmit between upper-layer service system, and any system needs to fetch
According to can directly access cloud storage to obtain；
(2.2) data reliability is most important, is the antecedent basis of operation system core application.Since cloud storage is to be based on
One distributed file system, when design, assume that any machine frame, arbitrary node, any hard disk are all likely to occur failure, by point
Data redundancy, data manipulation log, the metadata master-slave redundancy of cloth, data the number of mechanisms such as restore automatically handling these therefore
Barrier, to ensure the reliable and secure of data；
(3) high speed concurrently accesses, and improves efficiency:
(3.1) file slice and file slice should be used based on the wisdom traffic information service application system of cloud platform
The data dispersing mode for inside carrying out redundancy between node again allows client to efficiently use the polymerization that numerous memory nodes provide
Network bandwidth realizes that high speed concurrently accesses.Client accesses meta data server, acquisition will when accessing cloud storage first
Then the back end information interacted therewith directly accesses these back end and completes data access；
(3.2) only control is flowed between client and meta data server, and no data stream, is thus significantly reduced
The load of meta data server is allowed to not become a bottleneck of system performance.It is directly transmitted between client and back end
Data flow, simultaneously because file, which is dispersed to multiple nodes, carries out distributed storage, client can access multiple nodes simultaneously
Server, so that the I/O highly-parallel of whole system, systematic entirety can be improved.
(4) social benefit is improved:
(4.1) information approach should be utilized to improve transportation asset benefit based on the wisdom traffic information service application system of cloud platform
With rate, across unit department system combination and office collaboration are improved, to major event rapid response speed and emergency command, is determined
Plan analysis ability.The core of traffic is people, carrier of the system platform as urban traffic information service, all for different objects
Targetedly service meets the information demander that citizen's holostrome time is grown to from city；
(4.2) further, traffic is mainstay of the national economy industry, and traffic trip is related to national economy, relationship
To the sustainable development in city, traffic is saved, green traffic will also generate economic benefit.After product comes into operation, the peace of road
Overall coefficient will be promoted effectively, reduce the economic loss as brought by traffic offence.Meanwhile the application of this system will
The travel time is saved, energy consumption is reduced, protection environment, improves the quality of living, increases the people to traffic
Satisfaction.
Using the wisdom traffic information service application system and method based on cloud platform, by making, " traffic wisdom is mutual
The traffic cloud of connection, shared information service " realizes road network management, the intelligence of bus or train route collaboration and trip information service and fine
Change, improve level of service and operational efficiency, makes traffic information application more quickly and efficiently.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (8)
1. a kind of wisdom traffic information service application system based on cloud platform, which is characterized in that the system includes terminal
Layer and central platform module, the central platform module are connected by Web communication layer with the terminating layer；
The data monitored are reported to the central platform service module for monitoring each terminal by the terminating layer；
The central platform module uses hierarchical design, according to the data monitored, for provide data resource and
Integrated application server-side, and support all kinds of services based on cloud platform.
2. the wisdom traffic information service application system according to claim 1 based on cloud platform, which is characterized in that described
Central platform module include:
Data resource layer, for providing the data resource including traffic base database and service database；
Cloud platform Attendant sub-module, comprising:
Using supporting layer, for polymerizeing the data resource；
Application system level, for providing required integrated application server-side according to the data resource after the polymerization；
Information issues layer, for releasing news by communication terminal, and supports all kinds of services based on cloud platform.
3. the wisdom traffic information service application system according to claim 2 based on cloud platform, which is characterized in that described
Cloud platform Attendant sub-module include:
Accumulation layer, for being managed based on memory node to local hard disk, file and data block；
Management level, for carrying out cluster management and multi-zone management；
Access layer supports the access of each application system for providing access interface；
Application layer, for providing required integrated application server-side.
4. the wisdom traffic information service application system according to claim 1 based on cloud platform, which is characterized in that described
System further include place construction module and assurance module.
5. the wisdom traffic information service application system according to claim 4 based on cloud platform, which is characterized in that described
Place construction module include intelligent traffic information management center and computer room construction unit.
6. the wisdom traffic information service application system according to claim 4 based on cloud platform, which is characterized in that described
Assurance module include security assurance information unit, construction and operation management support Unit and standard criterion support Unit.
7. a kind of application method for realizing wisdom traffic information service based on the described in any item systems of claim 1~6, special
Sign is, the method the following steps are included:
(1) terminating layer described in is forwarded the real time data that it is monitored, while it includes handing over that the data resource layer, which provides,
Logical basic database and service database are in interior static data；
(2) the cloud platform Attendant sub-module described in receives the forwarding data and the static data；
(3) the cloud platform Attendant sub-module described in handles the forwarding data and the static data；
(4) cloud platform Attendant sub-module described in is by the platform of treated data are supplied to needs.
8. the application method according to claim 7 for realizing wisdom traffic information service, which is characterized in that the step
(1) further include a data storage area temporarily created in, service son for collected data to be supplied to the cloud platform
Module.
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| CN114418161A (en) * | 2021-11-24 | 2022-04-29 | 广东省城乡规划设计研究院有限责任公司 | Intelligent networking method and device for highway service area, electronic equipment and storage medium |
| CN115150426A (en) * | 2022-05-24 | 2022-10-04 | 中交公规土木大数据信息技术（北京）有限公司 | Intelligent highway general architecture |
| CN115798247A (en) * | 2022-10-10 | 2023-03-14 | 深圳市昊岳科技有限公司 | Smart bus cloud platform based on big data |
| CN115798247B (en) * | 2022-10-10 | 2023-09-22 | 深圳市昊岳科技有限公司 | Intelligent public transportation cloud platform based on big data |
| CN117079467A (en) * | 2023-10-12 | 2023-11-17 | 成都通广网联科技有限公司 | Method and system for relieving road congestion based on perception fusion technology |
| CN117079467B (en) * | 2023-10-12 | 2024-01-02 | 成都通广网联科技有限公司 | Method and system for relieving road congestion based on perception fusion technology |
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