CN104882012A - Urban public transport signal priority control system - Google Patents
Urban public transport signal priority control system Download PDFInfo
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- CN104882012A CN104882012A CN201510330229.6A CN201510330229A CN104882012A CN 104882012 A CN104882012 A CN 104882012A CN 201510330229 A CN201510330229 A CN 201510330229A CN 104882012 A CN104882012 A CN 104882012A
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- G08G1/00—Traffic control systems for road vehicles
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Abstract
The invention discloses an urban public transport signal priority control system, and the system provides intelligent urban public transport signal priority control and information management service for a traffic manager. The system can flexibly deploy an urban public transport signal priority control strategy which comprises two modes: passive priority control and active priority control. A public transport signal priority scheme is optimized in real time according to the needs for real-time public transport data and management. The system provides the real-time operation condition monitoring and performance monitoring of the public transport signal priority control, so as to estimate the effect of public transport signal priority control. The system also provides intelligent facility management, and integration information service. The system provides a scientific control solution and intelligent solution for the traffic manager for the management of the public transport signal priority, and also provides a comprehensive and concrete decision information support. The system is high in flexibility, is high in expansibility, is low in economic cost, is suitable for big, medium and small cities in China, and solves a problem of current public transport signal priority management.
Description
Technical field
The present invention relates to urban road intelligent transportation management and control field, be specifically related to a kind of city bus signal priority control system.
Background technology
Bus signals is preferentially the important means improving public transit system travelling speed and reliability, for alleviation urban road traffic congestion, promotes urban highway traffic operational efficiency and has vital role.At present, a series of bus signals mode of priority and subsystem is incorporated both at home and abroad in existing traffic signal system or public transit system, and come into operation in many cities, achieve good effect, stop line method is share as adopted in the TRANSYT system of Britain, built-in priority software in Britain SCOOT system, PTIPS subsystem in Australia SCAT system, U.S. RHODES system combination is based on the self-adaptation bus signals priority acccess control strategy incured loss through delay per capita, China's Changzhou BRT system utilizes inductive coil detection system to realize green light prolongation and red light early breaks.
But, along with increasingly sharpening of China's urban road traffic congestion, public transport operation has occurred that utility car service level is low, public bus information utilization factor is low, the problems such as public transport operation Decision-Making Difficulties, in the urgent need to scientific, intelligentized bus signal priority control system is alleviated and is solved the problem, but existing most bus signals mode of priority and system cannot meet the demand of China large-and-medium size cities for intelligentized bus signals priority acccess control and information service completely, be embodied in the following aspects: 1) bus signal priority control method and system often depend on traffic signal control system, exist as one of them subsystem or optimisation strategy, very flexible, subsequent expansion ability is weak, cannot with other traffic signal control systems with the use of, solution formulation can not adjust according to user's request, 2) bus signal priority control method and system lack capability of information sharing, are only related with traffic signal control system, are also difficult to and other City ITS Collaboration, cause each department's facility, system duplicate construction, 3) bus signal priority control method and system do not form complete control system, function is simple, control strategy configuration means are limited, and lack diversified information service and the decision support such as monitoring of effective operation monitoring, Performance Evaluation, facility operation state.
Therefore, urban traffic control person is in the urgent need to one independently third-party application system or platform, by its with traffic signal control system dock and mutual, realize intelligentized bus signals priority acccess control and information management service, to make up the deficiency of current bus signals priority control function.
Summary of the invention
Cannot effectively alleviate and solve the realistic problem of city bus operation for existing city bus signal priority control method and system, the present invention proposes a kind of city bus signal priority control system.The object of the invention is, docks with mutual, build a kind of city bus signal priority control system based on the real-time of traffic signal control system, for traffic administration person provides intelligentized city bus signal priority to control and information management service.
To achieve these goals, the present invention takes following technical scheme:
A kind of city bus signal priority control system, comprises public transit vehicle and road traffic flow data acquisition module, bus signals preference strategy configuration module, bus signals priority acccess control parameter setting module, bus signals priority acccess control scheme optimization module, bus signals priority acccess control real-time operating conditions monitoring modular, bus signals priority acccess control performance monitoring module, intelligent facilities management module and integrated information service module;
Described public transit vehicle and road traffic flow data acquisition module pass through public transit vehicle service data and the road traffic flow data of public transit vehicle service data collecting device and each bar circuit of road traffic flow data collecting device Real-time Obtaining, the data of acquisition are transferred to described bus signals priority acccess control scheme optimization module and described bus signals priority acccess control performance monitoring module, and obtained data are stored in database server;
Described bus signals preference strategy configuration module provides passive priority acccess control and initiatively priority acccess control two kinds of patterns for system; User, according to the public transit vehicle service data of each bar circuit of the history in database server and Real-time Obtaining and road traffic flow data, determines the bus signals preference strategy of each crossing by described bus signals preference strategy configuration module; After configuration is complete, the bus signals preference strategy determined is transferred to described bus signals priority acccess control scheme optimization module by described bus signals preference strategy configuration module; Wherein, described passive preference strategy, for not rely on real-time detector data, formulates the control strategy of Different periods; Described active preference strategy is that system relies on real-time detector data, judges whether to give public traffic in priority and performs;
Information in described bus signals priority acccess control parameter setting module reading database server, user crosses the information such as street time according to public transit vehicle travel speed, public transit vehicle detecting device installation site and pedestrian, bicycle and arranges each crossing bus signals priority acccess control parameter by described bus signals priority acccess control parameter setting module, after the setup, described bus signals priority acccess control parameter setting module is by bus signals priority acccess control parameter transmission extremely described bus signals priority acccess control scheme optimization module; Described timing parameter comprises the unit green time in public traffic in priority direction and maximum green time; Described unit green time is that public transit vehicle is from public transit vehicle detecting device to the running time of intersection stop line; Described maximum green time is Vehicle Phase limit green light displaying time, and green time then must proceed to next phase place after reaching maximum green time;
The timing parameter of the bus signals priority acccess control of each crossing that the bus signals preference strategy of each crossing that the public transit vehicle service data of each bar circuit that described bus signals priority acccess control scheme optimization module obtains according to described public transit vehicle and road traffic flow data acquisition module and road traffic flow data, described bus signals preference strategy configuration module are determined and described bus signals priority acccess control parameter setting module are arranged determines the priority acccess control scheme of each crossing;
Described bus signals priority acccess control scheme module and traffic signal control system dock in real time with alternately, and assign bus signals priority acccess control scheme, performed by described traffic signal control system;
Described bus signals priority acccess control real-time operating conditions monitoring modular, docks in real time with traffic signal control system, receives the signal timing plan of current execution; Is furnished with map server, in conjunction with the intersection information of override requests number of times different on public bus network within the scope of map real-time display system, by the mobile unit display public bus information on public transit vehicle and positional information, and allow user's real-time calling crossing video; For different brackets urban road, adopt different colors on map, show real-time speed, flow or congestion level;
Described bus signals priority acccess control performance monitoring module docks in real time with traffic signal control system, obtain controlling of bus priority scheme, receive the information that bus signals priority acccess control runs Real-Time Monitoring module, bus signals priority acccess control scheme optimization module, represent the Back ground Information of bus signals priority system, public traffic in priority proportion, public traffic in priority strategy; And bus signals priority system is assessed, appreciation information is stored in database server;
Described intelligent facilities management module is docked with road traffic flow data acquisition module and traffic signal control system in real time with described public transit vehicle; Dynamically represent public transit vehicle detecting device and whether teleseme is online, and provide the numbering of public transit vehicle detecting device and teleseme, place route, crossing, place, place entrance driveway, equipment state and update time information, and information is stored to database server;
Information in described integrated information service module reading database server, and inquiry and the download of information are provided.
Preferably, described public transit vehicle service data collecting device is for realizing public transit vehicle for realizing the Real-time Obtaining of the positional information of public transit vehicle, travel direction, travel speed and affiliated line information on the public transit vehicle detecting device and public transit vehicle of data Real-time Obtaining, and predicts the bus Vehicular satellite positioning equipment of the arrival information of public transit vehicle.
Preferably, described public transit vehicle detecting device is the RFID detecting device being arranged on 50-80 rice, upstream, crossing.
Preferably, the selection of described bus signals preference strategy sets according to real-time traffic condition; , crossing comparatively stable at public transport operation public transit vehicle detecting device is not installed and public vehicles are less, select passive preference strategy; Be provided with the arterial road of public transit vehicle detecting device in the comparatively large and crossing along the line of public transport flow, select initiatively preference strategy.
Preferably, described active preference strategy comprises PGC demodulation and scheme issues; Described PGC demodulation based on the public transit vehicle detecting device public transit vehicle detected per second through information, signal priority cannot be provided by the public transit vehicle of crossing within the scope of green time, locking green light to extend green time, and when green time arrives maximum green time automatic unlocking; Described scheme issues the public transit vehicle positional information detected based on public transit vehicle detecting device and satnav, the queuing situation in prediction next cycle of public transit vehicle, determine the public transport dedicated phase whether retained on the public traffic in priority track in next cycle, and be issued to traffic signal control system according to the timing parameter generation timing scheme of the bus signals priority acccess control of each crossing of described bus signals priority acccess control parameter setting module setting.
Preferably, described bus signals priority acccess control performance monitoring module is provided with the Back ground Information, public traffic in priority proportion, the public traffic in priority strategy that represent the preferential crossing of bus signals according to user's search request; In conjunction with the signal lamp operation conditions of schematic diagram Dynamic Display signal priority scheme and whole crossing, and provide in certain hour section, the public traffic in priority response message of different travel direction, comprises request time, license plate number, affiliated circuit, whether preferential and preference strategy information; And can assess bus signals priority acccess control crossing runnability; Represent the Back ground Information of bus signals preferential route and public bus network according to user's search request, represent the position of bus of both direction in current route in conjunction with schematic diagram, and on route, public transport priority signal controls the request number of times of crossing; System also can be assessed bus signals priority acccess control circuit runnability; Represent the Back ground Information of the preferential road network of bus signals and public transport network according to user's search request, and bus signals priority acccess control gauze runnability is assessed.
Preferably, the runnability quantum evaluation in described bus signals priority acccess control performance monitoring module comprises preferential number of times statistics, prior-vehicle statistics, precession time statistics, preference strategy, public transport share rate and mean delay.
Preferably, described integrated information service module provides Back ground Information to inquire about and downloads, and comprises the preferential crossing of bus signals, bus signals preferential route, the title of the preferential road network of bus signals, belonging positions, public transportation lane and through situations such as public bus networks;
There is provided multidate information to inquire about and download, set different timing statisticses and time series analysis, analysis in time, diurnal analysis are carried out to the preferential crossing of bus signals, bus signals preferential route, the preferential road network of bus signals, public bus network and public transport network, and set some indexs, user can select two wherein as the first index and the second index, and show statistical information according to the first index and the second index, and information data form, statistical graph is provided to download for user.
Preferably, some indexs of described setting comprise preferential number of times, prior-vehicle, precession time, preference strategy perform record, journey time, mean delay.
The present invention adopts technique scheme, has following beneficial effect:
1. provide one independently third-party application system, adopt B/S framework, intelligentized bus signals priority acccess control can be realized, effectively share with other Urban Transportation Management System, cooperate, and without the need to transforming traffic signal control system, dispose flexibly, implementation cost is low, extendability is strong, solves city bus signal priority control system very flexible, subsequent expansion ability is weak, cannot with other traffic signal control systems with the use of etc. problem;
2. provide bus signals preference strategy configuration module, bus signals priority parameter arranges module, bus signals priority acccess control scheme optimization module, bus signals priority acccess control real-time operating conditions monitoring modular, bus signals priority acccess control performance monitoring module, intelligence facilities management module, integrated information service module, public transit vehicle and road traffic flow data acquisition module, dock with whistle control system real-time and the function such as mutual, define complete control system, overcome function simple, control strategy configuration means are limited, and lack effective operation monitoring, Performance Evaluation, the drawback of the diversified information services such as the monitoring of facility operation state and decision support, contribute to the intelligent level promoting urban traffic control system, promote the experience of user.
Accompanying drawing explanation
Fig. 1 is each module logic frame diagram of system of the embodiment of the present invention;
Fig. 2 is the overall system Organization Chart of the embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Fig. 1 is each module logic frame diagram of system of the embodiment of the present invention, essentially describes the annexation between each functional module of present system, between system function module and external interface.The right-turn lane of city bus signal optimizing set-up of control system crossing of the present invention is public traffic in priority track, comprises public transit vehicle and road traffic flow data acquisition module, bus signals priority acccess control strategy configuration module, bus signals priority acccess control parameter setting module, bus signals priority acccess control scheme optimization module, bus signals priority acccess control real-time operating conditions monitoring modular, bus signals priority acccess control performance monitoring module, intelligent facilities management module and integrated information service module.City bus signal optimizing control system of the present invention and whistle control system real-time dock with mutual, with detecting device dock in real time with alternately, mutual by what realize with user based on the system interface of WEB+GIS, the function that main modular realizes and between annexation comprise:
Public transit vehicle and road traffic flow data acquisition module comprise public transit vehicle detecting device, bus Vehicular satellite positioning equipment and road traffic flow data collecting device, and wherein road traffic flow data collecting device mainly contains microwave vehicle detecting device, coil vehicle detector, video-based vehicle detection etc.In the present invention, what public transit vehicle detecting device adopted is the RFID detecting device being installed on upstream, crossing 50-80 rice.Public transit vehicle and road traffic flow data acquisition module pass through the service data of public transit vehicle detecting device Real-time Obtaining public transit vehicle, by the positional information of bus Vehicular satellite positioning equipment Real-time Obtaining public transit vehicle, travel direction, travel speed and affiliated line information, and predict the arrival information of public transit vehicle, by road traffic flow data collecting device Real-time Obtaining road traffic flow data.These data are transferred to bus signals priority acccess control scheme optimization module and bus signals priority acccess control performance monitoring module afterwards, and stored in database server.
In the present invention, concrete road traffic flow data comprises the data such as flow, speed, occupation rate of other public vehicles.
Bus signals priority acccess control strategy configuration module provides passive priority acccess control and initiatively priority acccess control two kinds of patterns for system; User arranges bus signals priority acccess control strategy and control law according to the public transit vehicle service data of history and Real-time Obtaining and road traffic flow data; After configuration is complete, the bus signals preference strategy determined is transferred to bus signals priority acccess control scheme optimization module by described bus signals preference strategy configuration module.Wherein, public traffic in priority strategy sets according to real-time traffic condition, comprise passive priority acccess control and active priority acccess control two kinds of patterns, passive priority acccess control be time on traffic route, public vehicles are less or equipment failure time adopt, do not rely on real-time detector data, formulate the control strategy of Different periods; Initiatively priority acccess control be peak period on and off duty or public vehicles many time adopt, system relies on real-time detector data, detects that public transit vehicle is preferential according to control law.Whether control law gives bus vehicle preferential rule, needed and the formulation of traffic circulation science according to actual management by system user, all can give preferentially to each bus, also can be preferential in conjunction with the intersection traffic situation bus that gives with good conditionsi according to situations such as the queuing of public transit vehicle, delay, handling capacities of passengers; For all to give preferential first priority to each bus in the present embodiment.
The public transit vehicle service data that bus signals priority acccess control parameter setting module reception public transit vehicle and road traffic flow data acquisition module obtain and road traffic flow data, information in reading database server, user is according to public transit vehicle travel speed wherein, public transit vehicle detecting device installation site and pedestrian, bicycle is crossed street temporal information and is arranged bus signals priority acccess control parameter, comprise maximum green time, the parameters such as unit green time, after the setup, described bus signals priority acccess control parameter setting module by bus signals priority acccess control parameter transmission to bus signals priority acccess control scheme optimization module.Wherein timing parameter comprises the unit green time in public traffic in priority direction, each crossing and maximum green time; Unit green time is that public transit vehicle is from public transit vehicle detecting device to the running time of intersection stop line, arranging this time is to ensure that the public transit vehicle detected can roll stop line away from, described maximum green time is Vehicle Phase limit green light displaying time, and green time then must proceed to next phase place after reaching maximum green time.
Bus signals priority acccess control scheme optimization module and traffic signal control system dock in real time with alternately, receive and the public transit vehicle service data of each bar circuit of transit's routes obtained according to public transit vehicle and road traffic flow data acquisition module and road traffic flow data, the timing parameter of the bus signals priority acccess control of each crossing that the bus signals preference strategy of each crossing that bus signals preference strategy configuration module is determined and bus signals priority acccess control parameter setting module are arranged determines the priority acccess control scheme of each crossing, and send to traffic signal control system to perform bus signals priority acccess control scheme.By information storage to database server, support integrated information service module;
When the public traffic in priority strategy that bus signals preference strategy configuration module is determined is for active preference strategy pattern, priority acccess control scheme has two kinds, for PGC demodulation and scheme issue; Wherein, PGC demodulation is based on the public transit vehicle detecting device public transit vehicle service data detected per second, signal priority cannot be provided by the public transit vehicle of crossing within the scope of green time, locking green light to extend green time, and when green time arrives maximum green time automatic unlocking; Scheme issues the public transit vehicle positional information detected based on public transit vehicle detecting device and satnav, and next cycle public transit vehicle queuing situation of real-time estimate, formulates next cycle timing scheme and whether comprise public transport dedicated phase.
Bus signals priority acccess control real-time operating conditions monitoring modular docks in real time with traffic signal control system, obtain the signal timing plan of current execution, is furnished with map server, the preferential crossing of bus signals, route, dynamically the representing of road network control program ruuning situation is realized in conjunction with map, comprise the position, crossing of different override requests number of times on different public bus network, run the information such as public transit vehicle attribute and congestion in road degree, by the mobile unit display public bus information on public transit vehicle and positional information, and allow user's real-time calling crossing video; For different brackets urban road, adopt different colors on map, show real-time speed, flow or congestion level; By information storage to database server, support integrated information service module.
Bus signals priority acccess control performance monitoring module docks in real time with traffic signal control system, obtain the information that bus signals priority acccess control runs Real-Time Monitoring module, bus signals priority acccess control scheme optimization module, represent the Back ground Information of bus signals priority system, public traffic in priority proportion, public traffic in priority strategy; Realize current bus signals priority acccess control scheme Performance Evaluation, and appreciation information is stored to database server, support integrated information service module.Back ground Information, public traffic in priority proportion, the public traffic in priority strategy of the preferential crossing of bus signals is represented according to user's search request; In conjunction with the signal lamp operation conditions of schematic diagram Dynamic Display signal priority scheme and whole crossing, and provide in certain hour section, the public traffic in priority response message of different travel direction, comprises request time, license plate number, affiliated circuit, whether preferential and preference strategy information; And can assess bus signals priority acccess control crossing runnability; Represent the Back ground Information of bus signals preferential route and public bus network according to user's search request, represent the position of bus of both direction in current route in conjunction with schematic diagram, and on route, public transport priority signal controls the request number of times of crossing; System also can be assessed bus signals priority acccess control circuit runnability; Represent the Back ground Information of the preferential road network of bus signals and public transport network according to user's search request, and bus signals priority acccess control gauze runnability is assessed.Wherein, runnability quantum evaluation comprises preferential number of times statistics, prior-vehicle statistics, precession time statistics, preference strategy, public transport share rate and mean delay.
The information such as equipment working state, communication connection, image data that intelligence facilities management module Received signal strength control system, detecting device send, dynamically represent public transit vehicle detecting device and teleseme whether online, and provide the numbering of public transit vehicle detecting device and teleseme, place route, crossing, place, place entrance driveway, equipment state and update time information; The statistics of the unit exception operation conditions frequency and duration is provided, and relevant information is stored to database server, support integrated information service module.
Information in integrated information service module reading database server, there is provided bus signals preferential crossing, bus signals preferential route, the title of the preferential road network of bus signals, belonging positions, public transportation lane and through the inquiry of the Back ground Information such as public bus network, multidate information is also provided to inquire about, by setting different timing statisticses to the preferential crossing of bus signals, bus signals preferential route, public traffic in priority road network, public bus network and public transport network carry out time series analysis, time is analyzed, diurnal is analyzed, and set index and comprise preferential number of times, prior-vehicle, precession time, preference strategy performs record, journey time, mean delay, user can select wherein two as the first index and the second index, this module can show statistical information according to the first index and the second index, and provides information data form, statistical graph etc. to download for user,
Fig. 2 is described overall system framework.A kind of city bus signal priority control system comprises basic supporting layer, data analysis layer, application service layer and communication network network layers:
1) basic supporting layer comprises detector system and whistle control system.Wherein, the public transport of detector system Depending on city and road traffic flow assay device, comprise public transit vehicle detecting device, the mobile unit on public transit vehicle, the road traffic flow device on road.These equipment upload real-time public transport and road traffic flow data at a certain time interval; Traffic signal control system passes through Real-time data interface, the signal timing plan that real-time executive system issues;
2) data analysis layer mainly relies on all kinds of server to realize access and extraction, process, filing and the backup of data, and mutual with traffic signal control system, mainly comprise communication server, calculation server, database server, map server, middleware server and file server, all kinds of server relies on the related software disposed wherein to realize the function of data analysis layer, and can carry out as required merging or expanding, to adapt to different application demands, server capability specifically comprises:
Communication server is used for access and the extraction of supported data; Database server for support basis, dynamic data storage, call and manage; Map server is for generating Map Services; Calculation server is for performing the data processing needed for a series of function of the system of realization, comprise the setting of bus signals priority parameter, the monitoring of bus signals priority acccess control real-time operating conditions and performance monitoring etc., in data handling procedure, relate to the data interaction with database server; Middleware server is mutual for what support with traffic signal control system, mainly comprises the bus signals priority acccess control scheme that issues, receives traffic signal control system network connection state heartbeat detection information etc.; File server is used for backup and the filing of raw data and associated traffic data.
3) application interface of WEB+GIS that generates based on WEB server and map server of application service layer, undertaken alternately by wired dedicated network and data analysis layer, for traffic administration person provides city bus signal priority control and optimize and information management service, mainly comprise the application service functions such as the configuration of bus signals preference strategy, the setting of bus signals priority parameter, the optimization of bus signals priority scheme, the monitoring of bus signals priority acccess control real-time operating conditions, the performance monitoring of bus signals priority acccess control, intelligent facilities management, integrated information service.
4) communication network network layers provides exchange channels for data analysis layer and the data between basic supporting layer and application service layer, adopts mode that is wireless and cable network mixing application, supports the data transmission of each interlayer.
Above-described embodiment is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention; some improvement and equivalent replacement can also be made; these improve the claims in the present invention and are equal to the technical scheme after replacing, and all fall into protection scope of the present invention.
Claims (9)
1. a city bus signal priority control system, is characterized in that: comprise public transit vehicle and road traffic flow data acquisition module, bus signals preference strategy configuration module, bus signals priority acccess control parameter setting module, bus signals priority acccess control scheme optimization module, bus signals priority acccess control real-time operating conditions monitoring modular, bus signals priority acccess control performance monitoring module, intelligent facilities management module and integrated information service module;
Described public transit vehicle and road traffic flow data acquisition module pass through public transit vehicle service data and the road traffic flow data of public transit vehicle service data collecting device and each bar circuit of road traffic flow data collecting device Real-time Obtaining, the data of acquisition are transferred to described bus signals priority acccess control scheme optimization module and described bus signals priority acccess control performance monitoring module, and obtained data are stored in database server;
Described bus signals preference strategy configuration module provides passive priority acccess control and initiatively priority acccess control two kinds of patterns for system; User, according to the public transit vehicle service data of each bar circuit of the history in database server and Real-time Obtaining and road traffic flow data, determines the bus signals preference strategy of each crossing by described bus signals preference strategy configuration module; After configuration is complete, the bus signals preference strategy determined is transferred to described bus signals priority acccess control scheme optimization module by described bus signals preference strategy configuration module; Wherein, described passive preference strategy, for not rely on real-time detector data, formulates the control strategy of Different periods; Described active preference strategy is that system relies on real-time detector data, judges whether to give public traffic in priority and performs;
Information in described bus signals priority acccess control parameter setting module reading database server; User crosses according to public transit vehicle travel speed, public transit vehicle detecting device installation site and pedestrian, bicycle street temporal information to arrange each crossing bus signals priority acccess control parameter by described bus signals priority acccess control parameter setting module; After the setup, described bus signals priority acccess control parameter setting module is by bus signals priority acccess control parameter transmission extremely described bus signals priority acccess control scheme optimization module; Described timing parameter comprises the unit green time in public traffic in priority direction and maximum green time; Described unit green time is that public transit vehicle is from public transit vehicle detecting device to the running time of intersection stop line; Described maximum green time is Vehicle Phase limit green light displaying time, and green time then must proceed to next phase place after reaching maximum green time;
The bus signals priority acccess control parameter of each crossing that the bus signals preference strategy of each crossing that the public transit vehicle service data of transit's routes each bar circuit that described bus signals priority acccess control scheme optimization module obtains according to described public transit vehicle and road traffic flow data acquisition module and road traffic flow data, described bus signals preference strategy configuration module are determined and described bus signals priority acccess control parameter setting module are arranged determines the priority acccess control scheme of each crossing;
Described bus signals priority acccess control scheme module and traffic signal control system dock in real time with alternately, and assign bus signals priority acccess control scheme, performed by described traffic signal control system;
Described bus signals priority acccess control real-time operating conditions monitoring modular, docks in real time with traffic signal control system, obtains the signal timing plan of current execution; Is furnished with map server, in conjunction with the intersection information of override requests number of times different on public bus network within the scope of map real-time display system, by the mobile unit display public bus information on public transit vehicle and positional information, and allow user's real-time calling crossing video; For different brackets urban road, adopt different colors on map, show real-time speed, flow or congestion level;
Described bus signals priority acccess control performance monitoring module docks in real time with traffic signal control system, obtain controlling of bus priority scheme, obtain the information that bus signals priority acccess control runs Real-Time Monitoring module, bus signals priority acccess control scheme optimization module, represent the Back ground Information of bus signals priority system, public traffic in priority proportion, public traffic in priority strategy; And bus signals priority system is assessed, appreciation information is stored in database server;
Described intelligent facilities management module is docked with road traffic flow data acquisition module and traffic signal control system in real time with described public transit vehicle; Dynamically represent public transit vehicle detecting device and whether teleseme is online, and provide the numbering of public transit vehicle detecting device and teleseme, place route, crossing, place, place entrance driveway, equipment state and update time information, and relevant information is stored to database server;
Information in described integrated information service module reading database server, and inquiry and the download of information are provided.
2. city bus signal priority control system according to claim 1, it is characterized in that: described public transit vehicle service data collecting device is for realizing public transit vehicle for realizing the Real-time Obtaining of the positional information of public transit vehicle, travel direction, travel speed and affiliated line information on the public transit vehicle detecting device and public transit vehicle of data Real-time Obtaining, and predicts the bus Vehicular satellite positioning equipment of the arrival information of public transit vehicle.
3. city bus signal priority control system according to claim 1, is characterized in that: described public transit vehicle detecting device is the RFID detecting device being arranged on 50-80 rice, upstream, crossing.
4. city bus signal priority control system according to claim 1, is characterized in that: the selection of described bus signals preference strategy is according to crossing condition and traffic setting; , crossing comparatively stable at public transport operation public transit vehicle detecting device is not installed and public vehicles are less, select passive preference strategy; Be provided with the arterial road of public transit vehicle detecting device in the comparatively large and crossing along the line of public transport flow, select initiatively preference strategy.
5. city bus signal priority control system according to claim 1, is characterized in that: described active preference strategy comprises PGC demodulation and scheme issues; Described PGC demodulation based on the public transit vehicle detecting device public transit vehicle detected per second through information, signal priority cannot be provided by the public transit vehicle of crossing within the scope of green time, locking green light to extend green time, and when green time arrives maximum green time automatic unlocking; Described scheme issues the public transit vehicle positional information detected based on public transit vehicle detecting device and satnav, the queuing situation in prediction next cycle of public transit vehicle, determine the public transport dedicated phase whether retained on the public traffic in priority track in next cycle, and be issued to traffic signal control system according to the timing parameter generation timing scheme of the bus signals priority acccess control of each crossing of described bus signals priority acccess control parameter setting module setting.
6. city bus signal priority control system according to claim 1, is characterized in that: described bus signals priority acccess control performance monitoring module is provided with the Back ground Information, public traffic in priority proportion, the public traffic in priority strategy that represent the preferential crossing of bus signals according to user's search request; In conjunction with the signal lamp operation conditions of schematic diagram Dynamic Display signal priority scheme and whole crossing, and provide in certain hour section, the public traffic in priority response message of different travel direction, comprises request time, license plate number, affiliated circuit, whether preferential and preference strategy information; And can assess bus signals priority acccess control crossing runnability; Represent the Back ground Information of bus signals preferential route and public bus network according to user's search request, represent the position of bus of both direction in current route in conjunction with schematic diagram, and on route, public transport priority signal controls the request number of times of crossing; System also can be assessed bus signals priority acccess control circuit runnability; Represent the Back ground Information of the preferential road network of bus signals and public transport network according to user's search request, and bus signals priority acccess control gauze runnability is assessed.
7. city bus signal priority control system according to claim 6, it is characterized in that, the runnability quantum evaluation in described bus signals priority acccess control performance monitoring module comprises preferential number of times statistics, prior-vehicle statistics, precession time statistics, preference strategy, public transport share rate and mean delay.
8. city bus signal priority control system according to claim 1, it is characterized in that: described integrated information service module provides Back ground Information to inquire about and downloads, comprise the preferential crossing of bus signals, bus signals preferential route, the title of the preferential road network of bus signals, belonging positions, public transportation lane and through public bus network situation;
There is provided multidate information to inquire about and download, set different timing statisticses and time series analysis, analysis in time, diurnal analysis are carried out to the preferential crossing of bus signals, bus signals preferential route, the preferential road network of bus signals, public bus network and public transport network, and set some indexs, user can select two wherein as the first index and the second index, and show statistical information according to the first index and the second index, and information data form, statistical graph is provided to download for user.
9. city bus signal priority control system according to claim 8, is characterized in that, some indexs of described setting comprise preferential number of times, prior-vehicle, precession time, preference strategy perform record, journey time, mean delay.
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