CN106327899A - Road traffic path guide method and system and road traffic information service platform - Google Patents
Road traffic path guide method and system and road traffic information service platform Download PDFInfo
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- CN106327899A CN106327899A CN201610761067.6A CN201610761067A CN106327899A CN 106327899 A CN106327899 A CN 106327899A CN 201610761067 A CN201610761067 A CN 201610761067A CN 106327899 A CN106327899 A CN 106327899A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
- G08G1/096838—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the user preferences are taken into account or the user selects one route out of a plurality
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
- G08G1/096844—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is dynamically recomputed based on new data
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Traffic Control Systems (AREA)
- Navigation (AREA)
Abstract
The invention discloses a road traffic path guide method and system and a road traffic information service platform. The method comprises the steps: obtaining the predetermination request information and traffic flow information of a navigation path; presetting a proper navigation path according to the predetermination request information and traffic flow information, and generating a navigation path predetermination result; feeding the navigation path predetermination result back to a user, and updating the traffic flow information. Because the traffic flow information is based on the navigation path predetermination result, the predetermination proper navigation path is based on the traffic flow information of a road segment in a time period, wherein the road segment and the time period are corresponding to a predetermination request, and the former two sides form preconditions for each other. The method employs a very economical solution, formulates a good behavior norms for the ordered application of a road and the high efficiency and smooth road traffic, achieves the path planning, predetermination and optimal path navigation for the travel, and solves problems of traffic jams and travel difficulties.
Description
Technical field
The present invention relates to intelligent transportation system technical field, particularly to a kind of road traffic paths chosen method, system
And Traffic Information service platform.
Background technology
Along with the development of automobile industry, people while having automobile, increasingly focus on use automobile time complete
Body shaping is tested.Existing mobile unit has been able to be supplied to user and much services, and including music, video, picture etc., multimedia needs
Service etc. in terms of the service asked, and the traffic navigation such as real-time road condition information, destination maps.Especially vehicle mounted guidance
The use of system is more and more universal, and the voice message by navigation system can guide driver to drive, especially when travelling on footpath between fields
During the city given birth to, user can be helped to arrive at conveniently and efficiently by navigation system.
For onboard navigation system, map of navigation electronic is a requisite part, and user enters in utilization navigation system
During row navigation, navigation system navigation requests based on user can carry out path calculation, and guidance path calculation gone out is drawn on
User it is shown on map of navigation electronic.Specifically, it is described by extracting from the road net data of electronic map database
The shape point data of guidance path, and load extracted shape point data, according to the shape point data loaded at navigation through electronic
Described guidance path is drawn out on map.
Dynamic vehicle navigation system uses detailed section coding techniques, can the condition of road surface letter that provides of real-time reception roadside equipment
Breath, the most quickly shows road congestion conditions by different colours on screen map, including the road in detail such as main and side road, viaduct
Road information, makes driver very clear to road ahead condition information.Meanwhile, dynamic route planning algorithm, automatic speech are used
Broadcasting can point out the congestion in driver front, and again plan the guidance path made new advances according to congestion, and avoidance is gathered around
Stifled section, it is achieved intelligentized dynamic navigation traffic guidance.
And real-time traffic channel (TMC, Traffic Message Channel) is exactly the Real-time Traffic Information that we often say
(including real-time road condition, traffic events etc.), is agps system (GPS, the Global as Europe the earliest
Position System) function system that navigates.Mainly there is the TravTek system of three kinds of these type of systems, the respectively U.S. in the whole world
System, the VICS system of Japan and RDS-TMC (the RDS:Radio Data System) system in Europe.Wherein, the RDS-in Europe
TMC is that a kind of real-time traffic condition of road surface based on FM broadcast sends and reception system.Certainly, from the point of view of the information provided, existing
It is to inform the real-time traffic letters such as driver's congestion in road degree, emergent traffic incident, traffic control that stage TMC more acts on
Breath, real-time traffic road condition information (referred to as road condition information) generally includes the coast is clear, road jogging, congestion in road
With road closed four type.When discovery road ahead situation has and blocks up or seal, notify user to adjust row in time
Sail circuit.
But the TMC of present stage or dynamic vehicle navigation system are based on different kinds of roads traffic information collection means, need huge
Roadside equipment, communication and broadcast system and weight capital input obtain real-time road condition information, be simultaneous for current in real time
Congested link in road condition information notifies that user adjusts vehicle line；Owing to lacking road traffic predetermined information, it is impossible to pin
To following condition of road surface planning plan of travel, it is impossible to fundamentally solve to use path problem in order.Even if the TMC of present stage
Or dynamic vehicle navigation system IMU knows road congested link and congestion level, emergent traffic incident and severe weather conditions, traffic
The real-time road condition information such as control carry out traffic guidance, but the result for induction has blindness and lacks predictability, example
As by all of vehicle guidance to another idle section, result congested link is the most unobstructed, and idle section is likely to become
New congested link, causes larger range of blocking up on the contrary.
Summary of the invention
It is an object of the invention to provide a kind of road traffic paths chosen method, system and Traffic Information service to put down
Platform, makes a reservation for suitable guidance path by user, obtains the traffic flow information of special time period；Pass through traffic control system
Traffic control to section, obtains road condition information, and affects follow-up according to traffic flow information and road condition information
Guidance path is made a reservation for by user, it is achieved traffic guidance.
For reaching above-mentioned purpose, the invention provides a kind of road traffic paths chosen method, including:
Obtain predetermined request information and the traffic flow information of guidance path；
Make a reservation for suitable guidance path according to predetermined request information and traffic flow information, generate the predetermined knot of guidance path
Really；
Carry out feeding back and updating traffic flow information by guidance path predetermined result.
Optionally, also including changing guidance path predetermined result, concrete grammar includes: obtain for guidance path
The change request of predetermined result；The navigation of which priority level is given according to traffic flow information and judgement of having gone on a journey
Path is as original navigation path and to accept change predetermined；That not yet goes on a journey gives interim guidance path, and that has gone on a journey gives
Preferential guidance path, plans guidance path again, adjusts guidance path predetermined result, generates change result；Change result is entered
Row feedback.
Optionally, also include according to emergent traffic incident, carry out guidance path predetermined result forcing to adjust, concrete grammar
Including: obtain the section at emergent traffic incident place and anticipated lasting period, force to adjust described emergent traffic incident place
Section and the predetermined guidance path predetermined result through vehicle of anticipated lasting period, generate guidance path and force to adjust knot
Really, pressure adjusting result feedback user, induction vehicle gets around section, emergent traffic incident place；Force to adjust according to guidance path
Whole result, updates traffic flow information.
Optionally, make a reservation for the method for suitable guidance path according to predetermined request information and traffic flow information include: obtain
Take in estimating the trip time period, whether guidance path to exist and made a reservation for saturated section；Generate according to predetermined request information and initially lead
Bit path, has made a reservation for saturated section when not existing in original navigation path, utilizes original navigation path to generate guidance path and makes a reservation for
Result；Make a reservation for saturated section when original navigation path exists, it is provided that the guidance path after adjustment get around described in predetermined full
And section, utilize the guidance path after adjusting to generate guidance path predetermined result.
Optionally, also including: according to predetermined request information, described guidance path predetermined module automatically generates different priority scheduling
The guidance path of level, as original navigation path, according to type of vehicle, selects the priority level corresponding with type of vehicle the highest
Original navigation path, generates guidance path predetermined result.
The embodiment of the present invention additionally provides a kind of road traffic Route Guidance System, including: data obtaining module, navigation road
Footpath predetermined module and information feedback module；
Described data obtaining module, for obtaining predetermined request information and the traffic flow information of guidance path；
Described guidance path predetermined module, for according to the predetermined suitably navigation of predetermined request information and traffic flow information
Path, generates guidance path predetermined result；
Described information feedback module, is used for carrying out guidance path predetermined result feeding back and assist to update traffic flow letter
Breath.
Optionally, also include the guidance path change module that guidance path predetermined result is changed, including:
Described data obtaining module obtains the change request of guidance path predetermined result；
It is preferential which described guidance path predetermined module gives according to traffic flow information and judgement of having gone on a journey
The guidance path of grade is as original navigation path and to accept change predetermined；That not yet goes on a journey gives interim guidance path,
That goes on a journey gives preferential guidance path, again plans guidance path, adjusts guidance path predetermined result, generates change result；
Change result is fed back by described information feedback module.
Optionally, also include according to emergent traffic incident, carry out guidance path predetermined result forcing to adjust, including:
Described data obtaining module obtains the section at emergent traffic incident place and anticipated lasting period；
Described guidance path predetermined module force to adjust the section at described emergent traffic incident place and anticipated lasting time
The predetermined guidance path predetermined result through vehicle of section, generates guidance path and forces to adjust result；
Guidance path is forced to adjust result feedback user by described information feedback module, and induction vehicle gets around burst traffic thing
Section, part place；
Described information feedback module forces to adjust result according to guidance path, assists to update traffic flow information.
Optionally, described guidance path predetermined module includes making a reservation for saturated section acquisition module, guidance path selects mould
Whether block, described made a reservation for exist in saturated section acquisition module obtains the anticipated trip time period made a reservation for saturated section, described
Guidance path selects module to generate original navigation path according to predetermined request information, the most predetermined when not existing in original navigation path
Saturated section, utilizes original navigation path to generate guidance path predetermined result；When original navigation path exists make a reservation for saturated
Section, it is provided that the guidance path after adjustment gets around and above-mentioned made a reservation for saturated section, utilizes the guidance path after adjusting to generate navigation
Path predetermined result.
The embodiment of the present invention additionally provides a kind of Traffic Information service platform, including: road traffic paths chosen system
System, traffic flow information system；
Described traffic flow information system has the traffic flow information of different time sections road；
Described road traffic Route Guidance System obtains in the anticipated trip time period from described traffic flow information system
Traffic flow information, and obtain the predetermined request information of guidance path；Make a reservation for according to predetermined request information and traffic flow information
Suitably guidance path, generates guidance path predetermined result；Guidance path predetermined result is carried out feedback user and is sent to institute
Stating traffic flow information system, traffic flow information is updated by described traffic flow information system.
Optionally, also including: traffic control system, road condition information is managed and real by described traffic control system
Shi Gengxin road condition information, described road condition information affects the planning of road traffic Route Guidance System original navigation path
With guidance path predetermined result.
Optionally, described traffic control system, according to emergent traffic incident, traffic flow information, adjusts the road of specific road section
Road function, limits the guidance path of specific road section, and updates road condition information, described road traffic paths chosen system
Uniting and adjust guidance path predetermined result according to the road condition information after updating, generation is forced to adjust result and is sent to user, and
Feedback traffic flow information system immediate updating traffic flow information.
Optionally, also including subscription client, described subscription client is for submitting the predetermined request information of path navigation to
Or for submitting the change solicited message to guidance path predetermined result to, display guidance path predetermined result or change request results
And navigate.
Optionally, also include that non-parking charge module, described non-parking charge module are bound with subscription client, when
Guidance path predetermined result comes into force, and non-parking charge module obtains the charging section information in guidance path predetermined result and combines
Expenses standard calculates relevant toll.
Optionally, automatic vehicle identification and alignment system, described automatic vehicle identification and alignment system and traffic are also included
Flow information system is connected with traffic control system, and road vehicle is identified and positions and obtains the row of described vehicle
Sail information.
The present invention having the beneficial effects that compared to prior art:
The road traffic paths chosen method of present invention offer, system, utilize according to predetermined request information and predetermined request
Corresponding time period and the traffic flow information in section, predetermined suitable guidance path, due to described predetermined road of suitably navigating
Footpath is based on predetermined request correspondence time period and the vehicle flow information in section, it is ensured that will not run into road during predetermined amount of time trip
Stifled situation；The navigation path planning that the present invention provides, although navigation selection is freely when also will not go on a journey as prior art
Logical guidance path, but when subsequent burst traffic events and severe weather conditions, traffic control etc. cause condition of road surface to change, no
Can effectively be notified and orderly guiding, user will not be misled and enter the most unimpeded section, will not stop over user time
Between, the Experience Degree of navigation user can be greatly improved.
The user of the present invention can propose change request, root to the guidance path predetermined result reserved the most in advance as required
The time period corresponding according to change request and the traffic flow information in section, according to whether judgement of having gone on a journey which gives is preferential
The guidance path of grade is as original navigation path and to accept change predetermined；That not yet goes on a journey gives interim guidance path,
That goes on a journey gives preferential guidance path, again plans guidance path, adjusts guidance path predetermined result, generates change result.With
Family is possible not only to the most predetermined guidance path, it is also possible to proposes change request before traveling or in driving process, wherein exercised
Vehicle in journey will obtain preferential guidance path, and the time period corresponding according to change request and the traffic flow information in section are timely
Adjust vehicle line.
When emergent traffic incident occurs, obtain section, emergent traffic incident place and anticipated duration, update and hand over
Passway condition information, affects guidance path guidance path predetermined result according to the traffic route condition information after updating, and generates
Force to adjust result, pressure adjustment result be sent to subscription client, adjust travel route by timely proactive notification user,
Induce traffic in order, it is possible to effectively solve due to road condition information and the asymmetric difficulty causing traffic jam of navigation route information
Topic.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
Fig. 1 is the structural representation of the Traffic Information service platform of the embodiment of the present invention；
Fig. 2 is the structural representation of the road traffic Route Guidance System of the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the road traffic paths chosen method of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Embodiment one
The embodiment of the present invention provide firstly a kind of Traffic Information service platform, refer to Fig. 1, including: road is handed over
Path inducible system 10, traffic flow information system 20, subscription client 30, traffic control system 40；
Described traffic flow information system 20 has the traffic flow information in each section of different time sections；
Described traffic control system 40 has the road condition information that each section is corresponding；
Described subscription client 30 is for submitting the predetermined request information of path navigation, change solicited message, display navigation to
Path predetermined result is also navigated；
Described road traffic Route Guidance System 10 obtains the anticipated trip time period from described traffic flow information system 20
Interior traffic flow information, obtains, from traffic control system 40, the condition of road surface letter that each bar section in the anticipated trip time period is corresponding
Breath, and the predetermined request information of guidance path is obtained from subscription client 30；According to predetermined request information and traffic flow information
Predetermined suitable guidance path, generates guidance path predetermined result；Carry out feeding back to user client by guidance path predetermined result
Guidance path predetermined result is also sent to described traffic flow information system by end, and described traffic flow information system is to traffic flow
Amount information is updated.
Described subscription client 30 can be vehicle mounted guidance, pc client or mobile APP etc., described subscription client 30 with
Corresponding vehicle is bound so that when subscription client submits the predetermined request information of guidance path, change solicited message to, from
The dynamic information of vehicles by correspondence is uploaded.
Described predetermined request information at least includes the license plate number of vehicle, type of vehicle, departure place, destination, anticipated trip
Date, anticipated several therein of travel time, described change solicited message at least includes the license plate number of vehicle, type of vehicle, goes out
Send out ground, destination, anticipated trip date, anticipated several therein of travel time.
In other embodiments, described subscription client 30 can not also be bound in advance with corresponding vehicle, when needing
When wanting reservation navigation path, the information of vehicles that input is corresponding, the license plate number of such as vehicle, type of vehicle etc., thus know vehicle
Authority be whether restrict driving, whether be emergency vehicle etc., and then distribute different paths accordingly.
Described subscription client has global positioning system, by satellite fix user in real client
(i.e. vehicle) current position and various driving information, such as lane information, average speed, automobile's instant velocity etc..
When described subscription client 30 gets one or more predetermined guidance path, or directly it is determined pre-
About, or by user interface carry out selecting wherein suitably guidance path as completing reservation after final guidance path.
The electronic chart of described subscription client can show the physical location of vehicle in real time, and described electronic chart is permissible
Arbitrarily enlarged, reduce, roll screen or any direction translation；Described electronic chart can move with target so that target location vehicle
Remain on screen, it is achieved to vehicle and the real-time tracking of goods；Described electronic chart can also show plan trip district
The road traffic flow information in territory.
The storage of described traffic flow information system 20 has the traffic flow information of different time sections different sections of highway.In this enforcement
In example, described traffic flow information includes current traffic flow information and predetermined traffic flow information.Described traffic flow information
System 20 by the global positioning system of subscription client, be positioned at road vehicle and automatically identify and alignment system
Obtain current traffic flow information, adjust based on current traffic information and preengage successful guidance path.Described traffic flow is believed
Breath system 20 obtains the predetermined traffic flow information of certain time period following by described road traffic Route Guidance System 10.
Road condition information is managed by described traffic control system 40.Described traffic control system real-time update road
Condition information, and affect road traffic Route Guidance System subsequent user to leading according to traffic flow information and road condition information
Making a reservation for of bit path, it is achieved traffic guidance.
In the present invention, described traffic control system 40 manages platform with the Internet traffic security service of traffic-police,
Described traffic control system shares road condition information by the Internet with traffic safety service management platform.
In other embodiments, described traffic control system directly can be managed by traffic-police or platform management person.
In the present invention, described section includes highway at different levels, city or backroad, street or path, bridge or tunnel
Deng allow vehicle normal pass one or more snippets, one or more snippets section constitute final guidance path.
Described highway includes highway or common road, and highway is with gateway, service area, gas station or charge station
Carrying out segmentation, common road carries out segmentation with the crossing or charge station with vehicle discrepancy.
Described city or backroad, street or path, with traffic lights, the gateway in parking lot or have vehicle come in and go out
Crossing carry out segmentation.
Described bridge or tunnel, viaduct, carry out segmentation with gateway or charge station.
Wherein, for having the section of intermediate isolating band, forward track and reverse track are considered as different sections；Have two
The individual section with up-run lane, different runways is considered as different sections；There is the section in viaduct or tunnel, section, ground
It is considered as different sections with overhead section, tunnel road.
Described road condition information includes that different time sections different sections of highway affects section normal pass or abnormal current institute
Having information, normal section can be planned with execution route, abnormal section can not execution route planning, road condition information include but
Be not limited to: maximum travelling speed limits and period, vehicle average speed per hour and period, in the past traffic flow, maximum traffic flow or
Traffic between the traffic capacity between unit, no through traffic class of vehicle and period, car plate classification and period, the section that no through traffic
The cycle of signal lights, the quantity in tide track and period, the section that no through traffic temporarily and period.
By above-mentioned road condition information, the maximum traffic flow in a certain section in certain time period can be known, and lead to
Cross in traffic flow information system obtains this time period the vehicle fleet size being intended to pass through this section, it becomes possible to know and the most how much remain
Remaining traffic flow.
When finding that the vehicle fleet size being intended to pass through this section in this time period has made a reservation for saturated, or actual vehicle flowrate is close or
Exceeding maximum traffic flow, shunt follow-up predetermined vehicle, follow-up predetermined guidance path will get around this section；Due to
Various predictable reasons, such as, travel in way and miss the chance turning or leaving outlet, if through the vehicle in this section
Quantity has exceeded anticipated maximum traffic flow, the most not yet goes on a journey originally preengaging or the anticipated part entered during this section is exercised
Vehicle compulsory shunts, and generates and forces to adjust result, and notice is forced to adjust the user of navigation results and changes the travel time and avoid this
Time period or change its course and get around this section.
In other embodiments, utilizing global positioning system and global system for mobile communications, traffic flow is believed
Breath system is for recording the movement locus of vehicle and position.The electronic chart of described traffic flow information system can be real
Time show the physical location of vehicle, described electronic chart can arbitrarily enlarged, reduce, roll screen or any direction translation；Described electronics
Map can move with target, makes target location vehicle remain on screen, it is achieved real-time to important vehicle and goods
Follow the tracks of；Described electronic chart also can multiwindow, many vehicles or multi-screen be followed the tracks of simultaneously, is used for recording, show or add up friendship in real time
Through-current capacity and historical traffic flows；During travelling, utilize predetermined information and the real-time trace information of vehicle, described electronic chart
Normal preset vehicle and improper predetermined vehicle can also be shown.
In the present invention, described traffic control system shares traffic flow by the Internet with traffic safety service management platform
Amount information.Described traffic control system can adjust spy according to emergent traffic incident and severe weather conditions, traffic flow information
Determining the function path in section, limit the guidance path of specific road section, and update road condition information, described adjustment includes
But it is not limited to:
The forward track in section is adjusted to reverse track, or the reverse track in section is reverted to forward track；
The track, roadside in section is adjusted to interim roadside park track, or track of being parked in interim roadside reverts to normally
Current track；
The part or all of track in section is closed, or the part or all of track in section is recovered current；
Outlet and/or the entrance in section are closed, or outlet and/or the entrance in section are recovered current；
Signal lamp cycle between section is adjusted；
By open and close to the gas station between section, service center and charge station.
After being adjusted in section, the reason that section adjusts is marked as follows by described traffic control system with the time limit:
Due to weather reason, such as heavy rain, dense fog, ice and snow etc.；
Due to accidents such as vehicle accidents；
Due to fire-fighting, medical aid, public security, the emergency such as speedily carry out rescue work；
Due to scheduled events such as access, meeting, match, large-scale activity, road maintenances.
Having the adjustment in clear and definite time limit, the time limit that labelling is concrete in above-mentioned adjustment, the time limit arrives and automatically restores to adjust later
State before whole；There is no the adjustment in clear and definite time limit, be marked according to without the time limit, until adjust next time.
By above-mentioned section adjust and mark reason, after the time limit, above-mentioned information is deposited by described traffic control system
Store up and update traffic flow information.
Described road traffic Route Guidance System is according to the predetermined suitably navigation of predetermined request information and traffic flow information
Path, generates guidance path predetermined result.
In the present embodiment, described road traffic Route Guidance System, refer to Fig. 2, including: data obtaining module 11,
Guidance path predetermined module 12, guidance path change module 13 and information feedback module 14；
Described data obtaining module 11 is connected with subscription client 30, traffic flow information system 20 respectively, is used for obtaining
The predetermined request information of guidance path, change solicited message and traffic flow information；
Described guidance path predetermined module 12, for suitably leading according to predetermined request information and traffic flow information are predetermined
Bit path, generates guidance path predetermined result；
Described guidance path change module 13, for according to changing solicited message, traffic flow information and having gone out
Row judges to give the guidance path of which priority level, and as original navigation path and to accept change predetermined；Not yet go on a journey to
Giving interim guidance path, that has gone on a journey gives preferential guidance path, generates change result；
Described information feedback module 14, for carrying out feeding back to user client by guidance path predetermined result, change result
Guidance path predetermined result is also sent to traffic flow information system 20 by end, traffic flow information system 20 update traffic flow
Amount information.
Described predetermined request information at least includes license plate number, type of vehicle, departure place, destination, the anticipated trip date, pre-
Several therein of the travel time of meter；Described guidance path predetermined result at least includes license plate number, departure place, destination, makes a reservation for lead
Several therein of bit path, departure time.
Described guidance path predetermined module 12 includes making a reservation for saturated section acquisition module, guidance path selects module, institute
State and make a reservation for whether exist in saturated section acquisition module obtains the anticipated trip time period made a reservation for saturated section, described navigation road
Footpath selects module to generate original navigation path according to predetermined request information, has made a reservation for saturated road when not existing in original navigation path
Section, utilizes original navigation path to generate guidance path predetermined result, makes a reservation for saturated section when existing in original navigation path, carry
Get around for the guidance path after adjusting and above-mentioned made a reservation for saturated section, utilize the guidance path after adjusting to generate guidance path and make a reservation for
Result.
Such as, user, before travel, is carried out guidance path in advance and makes a reservation for by subscription client, described predetermined request information
At least include license plate number, type of vehicle, departure place, destination, anticipated trip date, anticipated several therein of travel time, example
License plate number as corresponding in the vehicle of predetermined request information is Zhejiang A16G20, and vehicle is common pony car, and departure place is Hangzhou
Eastern station, destination is Stadium of Dragon Sports Center, it is contemplated that the trip date is JIUYUE in 2016 4, it is contemplated that when the travel time is 18 10 points.
Described guidance path predetermined module 12 separates according to when above-mentioned predetermined request information and JIUYUE in 2016 4 days 18 10 and sends out
Traffic flow information produce original navigation path.Described original navigation path is made up of at least one or more section, originally
Beginning guidance path does not exist and has made a reservation for saturated section, described original navigation path is led as suitable guidance path, generation
Bit path predetermined result, and described guidance path predetermined result is sent respectively to subscription client 30 and traffic flow information system
System 20.Described suitable guidance path can be one or more, and when suitable guidance path is a plurality of, user can pass through
Subscription client select therein one as final guidance path.
Having made a reservation for saturated section when at least there being one in described guidance path, described guidance path predetermined module is advised again
Draw guidance path and get around this section, utilize the guidance path after adjusting to generate guidance path predetermined result.
According to type of vehicle, described guidance path predetermined module automatically generates the guidance path of different priority levels as just
Beginning guidance path, selects the original navigation path that the priority level corresponding with type of vehicle is the highest, generates the predetermined knot of guidance path
Really.
In the present embodiment, described guidance path is divided into emergency navigational path and common navigation path.
Medical aid, fire-fighting, speedily carry out rescue work, public security etc. turn out for work in vehicle and other successfully apply for the urgent of emergency navigational path
Vehicle obtains emergency navigational path automatically, and described emergency navigational path is that in all guidance paths, distance is the shortest or shortest time
, even if there is at least one in emergency navigational path made a reservation for saturated section in path.In other embodiments, described emergency navigational
Path even can provide fast path by adjustment member section function for vehicle, such as by a wherein tune in reverse track
Whole for forward track, distance or the time in emergency navigational path can be greatly shortened.
Common vehicle obtains common navigation path automatically, except optimum guidance path, when common navigation path exists to
Few one when making a reservation for saturated section, described guidance path predetermined module will again be planned that guidance path gets around this section, utilize
Guidance path after adjustment generates guidance path predetermined result.
In other embodiments, described common navigation path can be divided into the guidance path of different priority levels, such as optimum
Guidance path, preferential guidance path and interim guidance path.
Described optimum guidance path, the dolly more than bus, taxi, 4 people, mini-buses more than 15 people, 40 people
Above big bus, special line vehicle, special-purpose vehicle and other successfully apply for the vehicle of optimum guidance path；
Described preferential guidance path, for the most predetermined guidance path vehicle, travelled in road vehicle and
Other successfully apply for the vehicle of preferential guidance path；
Described interim guidance path, for being temporarily reserved the vehicle of guidance path.
When the vehicle of different priority levels guidance path predetermined need to by making a reservation for saturated section time, preferentially to having optimum
This section planned by the vehicle of guidance path, is adjusted by the guidance path of other vehicles；When different priority levels guidance path
Vehicle predetermined by not making a reservation for saturated section time, preferentially the vehicle with preferential guidance path is planned this section until this road
Section is predetermined saturated.As can be seen here, the guidance path of interim guidance path vehicle can be adjusted planning to meet preferential navigation all the time
The demand of path vehicle；The guidance path of preferential guidance path vehicle can be adjusted planning with satisfied optimum guidance path vehicle
Demand；The vehicle of optimum guidance path can obtain guidance path, has subscribed saturated section even if existing in path.According to vehicle class
Type, described guidance path predetermined module selects the guidance path that the priority level corresponding with type of vehicle is the highest, generates navigation road
Footpath predetermined result.
Emergent traffic incident is the main cause causing traffic congestion, including vile weather reason, such as heavy rain, dense fog,
Ice and snow etc. cause pass through afunction or the traffic capacity of zonal section to decline；Owing to the accidents such as vehicle accident cause certain
Whole track, section or part lane afunction or the traffic capacity decline；Due to fire-fighting, medical aid, public security, speedily carry out rescue work
Need adjustment member section, the function of traffic light Deng emergency or perform traffic control.Above-mentioned event directly results in certain
Pass through afunction or the traffic capacity of one section declines, thus causes mass transportation to block up, for above-mentioned emergent traffic incident
Or severe weather conditions, make emergency response the most in time, and carry out predictable traffic guidance always puzzlement China and be
Problem to whole world control of traffic and road department.
In embodiments of the present invention, described traffic control system obtains emergent traffic incident or bad weather conditions place in real time
Section and the information of predicted duration, immediate updating road condition information, thus affect road traffic Route Guidance System
Some entrance of navigation path planning and guidance path predetermined result, such as closing high-speed highway, close certain section two
Track, thus reduce the maximum traffic capacity of corresponding road section and maximum can pre-threshold quantity.
Described data obtaining module obtains the road condition information after updating, and described guidance path predetermined module is according to renewal
After road condition information, force adjust guidance path predetermined result.According to the regulation rule of different priority levels guidance path,
First the guidance path of interim guidance path vehicle is adjusted planning to meet the demand of preferential guidance path vehicle, the knot of adjustment
Fruit is to obtain interim guidance path；If adjusting interim guidance path still can not meet current demand, preferential guidance path vehicle
Guidance path can be adjusted planning that the result of adjustment is to obtain road of preferentially navigating with the demand of satisfied optimum guidance path vehicle
Footpath；If adjusting preferential guidance path still can not meet current demand, the vehicle of optimum guidance path can obtain new optimum and lead
Bit path, subscribes saturated section even if existing in new path.The result adjusting guidance path makes priority level minimum
Vehicle gets around corresponding road section, until traffic flow corresponding to current or predetermined guidance path meets after renewal corresponding road section
Big traffic is limited the quantity, and generates guidance path and forces to adjust result, described guidance path is forced adjust result and is automatically transmitted to be adjusted
The change navigation of whole subscription client, and feed back traffic flow information system immediate updating traffic flow information.
After subscription client receives above-mentioned guidance path pressure adjustment result, enter according to forcing the guidance path adjusting result
Row navigation.In time, effectively adjusted vehicle line by proactive notification user, it is possible to effectively solve due to road condition information and
The asymmetric problem causing traffic congestion of navigation route information.
The user of the present invention can also propose change request to the guidance path predetermined result reserved the most in advance as required.
Although user subscribes the guidance path predetermined result that destination is Stadium of Dragon Sports Center in advance, but due to predictable former
Cause, before travel or in driving process, can propose change request, described guidance path change module by subscription client 30
13 ask corresponding time period and the traffic flow information in section according to change, again plan guidance path, adjust guidance path
Predetermined result, generates change result and feeds back to subscription client and traffic flow information system.
In other embodiments, when user's guidance path predetermined result to reserving the most in advance proposes change request, described
Guidance path change module is asked corresponding time period and the traffic flow information in section according to change and has gone on a journey
As original navigation path and to accept change predetermined to judge to give the guidance path of which priority level；That not yet goes on a journey gives
Interim guidance path, that has gone on a journey gives preferential guidance path, again plans guidance path, adjusts the predetermined knot of guidance path
Really, generate change result and feed back to subscription client and traffic flow information system.
In other embodiments, described Traffic Information service platform also includes automatic vehicle identification and alignment system,
Described automatic vehicle identification and alignment system include the not parking automatic car identification system in section, to the car travelled on road
Positional information carry out obtaining and upload to traffic flow information system and guidance path predetermined module.
Wherein in an embodiment, the not parking automatic car identification system in described section includes that roadside identifies equipment, logical
Cross short distance communication modes, it is achieved roadside identifies the both-way communication between equipment and subscription client.Described short range communication, including micro-
The mechanicss of communication such as ripple, infrared or radio frequency.Described subscription client stores the basic identity letter of the vehicle such as license plate number, type of vehicle
Ceasing and accept roadside and identify the read-write operation of equipment, described roadside identifies that equipment can be at vehicle and subscription client kinestate
The most accurately read the identity information of vehicle and accept the read-write operation of subscription client, vehicle identification and the base of traffic information record
This process is as follows:
Vehicle enters in the short-range communication range that described roadside identifies equipment, triggers subscription client and starts short range communication
Read-write operation；
Roadside identifies that equipment and subscription client carry out two-way communication and judge the effectiveness of electronic tag, the most then record
Testing vehicle register and time labelling, invalid, report to the police and light the caution sign of board units and roadside unit, until vehicle leaves
Detection region；
Meanwhile, when vehicle is by capturing coil, being triggered if reported to the police, roadside identifies that equipment carries out video capture, character
Information of vehicles can be added in candid photograph image by averager；
Roadside identifies equipment record and preserves the vehicle license plate number by section and temporal information, and is uploaded to described road
Traffic monitoring system, completes the record of the supervision to vehicle and travel conditions.
In other embodiments, described automatic vehicle identification and alignment system also include parking lot automatic vehicle identification system
System, described parking lot automatic car identification system is the fixing or parking lot of movement in including Entrance/port of export, parking lot
Card read/write equipment, automatically identifying when entering for vehicle or exit parking lot, switch gateway, parking lot equipment and automatically
Payment.
In other embodiments, described Traffic Information service platform also includes non-parking charge module, described does not stops
Car Charging Module is connected with subscription client and the way leave charge special financial account corresponding with subscription client is bound,
When guidance path predetermined result comes into force, expenses standard and charging that non-parking charge module acquisition traffic control system is arranged are former
Then, and the charging section information in guidance path predetermined result of obtaining generates the statement of expense and sends to subscription client.Described not
Car park payment module bales catch from the financial account that subscription client is corresponding removes correlative charges.
In other embodiments, while subscription client obtains guidance path predetermined result, obtain guidance path to calculate
Relevant toll, when user accepts above-mentioned guidance path predetermined result, is equal to the deduction accepting above-mentioned relevant travelling expenses, does not stops
The toll that car Charging Module is correlated with by the financial account deduction that subscription client is corresponding.
Embodiment two
The embodiment of the present invention additionally provides a kind of road traffic paths chosen method, refer to Fig. 3, including:
Step S101, obtains predetermined request information and the traffic flow information of guidance path；
Step S102, makes a reservation for suitable guidance path according to predetermined request information and traffic flow information, generates navigation road
Footpath predetermined result；
Step S103, carries out feeding back and updating traffic flow information by guidance path predetermined result.
Traffic flow information according to above-mentioned predetermined request information and predetermined amount of time produces original navigation path.At the beginning of described
Beginning guidance path is made up of at least one or more section, has made a reservation for saturated section when not existing in original navigation path, by institute
State original navigation path as suitable guidance path, generate guidance path predetermined result, and by predetermined for described guidance path knot
Fruit is sent respectively to subscription client and traffic flow information system.Described suitable guidance path can be one or more,
When suitable guidance path is a plurality of, user can by subscription client select therein one as final navigation road
Footpath.Having made a reservation for saturated section when at least there being one in described guidance path, described guidance path predetermined module is again planned and is led
Bit path gets around this and has made a reservation for saturated section, utilizes the guidance path after adjusting to generate guidance path predetermined result.
Described predetermined request information at least includes license plate number, type of vehicle, departure place, destination, the anticipated trip date, pre-
Several therein of the travel time of meter；Described guidance path predetermined result at least includes license plate number, departure place, destination, makes a reservation for lead
Several therein of bit path, departure time.
When user is before travel or during trip requirements generation Iterim Change in vehicle travel process, including pre-to guidance path
Determining result to change, concrete grammar includes: obtain the change request of guidance path predetermined result, and described change request is at least wrapped
Include license plate number, type of vehicle, departure place, destination, anticipated trip date, anticipated several therein of travel time；According to traffic
It is predetermined that flow information judges whether to accept change, generates change result；Change result is fed back.
In other embodiments, when user's guidance path predetermined result to reserving the most in advance proposes change request, described
Guidance path change module is asked corresponding time period and the traffic flow information in section according to change and has gone on a journey
As original navigation path and to accept change predetermined to judge to give the guidance path of which priority level；That not yet goes on a journey gives
Interim guidance path, that has gone on a journey gives preferential guidance path, again plans guidance path, adjusts the predetermined knot of guidance path
Really, generate change result and feed back to subscription client and traffic flow information system.
Additionally, emergent traffic incident and severe weather conditions are the main causes causing traffic congestion, this kind of event is direct
Cause pass through afunction or the traffic capacity of a certain section to decline, thus cause mass transportation to block up.In the present invention, described
Traffic control system obtains emergent traffic incident or bad section, weather conditions place and the information of predicted duration in real time, immediately
Update road condition information, thus affect navigation path planning and the predetermined knot of guidance path of road traffic Route Guidance System
Really, some entrance of such as closing high-speed highway, close two tracks in certain section, thus reduce the maximum friendship of corresponding road section
The logical traffic capacity and maximum can pre-threshold quantities.
Described data obtaining module obtains the road condition information after updating, and described guidance path predetermined module is according to renewal
After road condition information, force adjust guidance path predetermined result.According to the regulation rule of different priority levels guidance path,
First the guidance path of interim guidance path vehicle is adjusted planning to meet the demand of preferential guidance path vehicle, the knot of adjustment
Fruit is to obtain interim guidance path；If adjusting interim guidance path still can not meet current demand, preferential guidance path vehicle
Guidance path can be adjusted planning that the result of adjustment is to obtain road of preferentially navigating with the demand of satisfied optimum guidance path vehicle
Footpath；If adjusting preferential guidance path still can not meet current demand, the vehicle of optimum guidance path can obtain new optimum and lead
Bit path, subscribes saturated section even if existing in new path.The result adjusting guidance path makes priority level minimum
Vehicle gets around corresponding road section, until traffic flow corresponding to predetermined guidance path meets the maximum traffic of corresponding road section after renewal
Limitation, generates guidance path and forces to adjust result, described guidance path is forced adjust result and is automatically transmitted to subscription client
Change navigation, and feed back traffic flow information system immediate updating traffic flow information.
After subscription client receives above-mentioned guidance path pressure adjustment result, enter according to forcing the guidance path adjusting result
Row navigation.In time, effectively adjusted vehicle line by proactive notification user, it is possible to effectively solve due to road condition information and
The asymmetric problem causing traffic congestion of navigation route information.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (15)
1. a road traffic paths chosen method, it is characterised in that including:
Obtain predetermined request information and the traffic flow information of guidance path；
Make a reservation for suitable guidance path according to predetermined request information and traffic flow information, generate guidance path predetermined result；
Carry out feeding back and updating traffic flow information by guidance path predetermined result.
2. road traffic paths chosen method as claimed in claim 1, it is characterised in that also include knot predetermined to guidance path
Fruit is changed, and concrete grammar includes: obtains the change for guidance path predetermined result and asks；According to traffic flow information and
Go on a journey and judged to give the guidance path of which priority level as original navigation path and to accept change predetermined；Still
That does not goes on a journey gives interim guidance path, and that has gone on a journey gives preferential guidance path, again plans guidance path, adjusts navigation
Path predetermined result, generates change result；Change result is fed back.
3. road traffic paths chosen method as claimed in claim 1, it is characterised in that also include according to burst traffic thing
Part, carries out guidance path predetermined result forcing to adjust, and concrete grammar includes: obtain the section at emergent traffic incident place with pre-
Count the lasting period, force to adjust the section at described emergent traffic incident place and the anticipated lasting period is predetermined through vehicle
Guidance path predetermined result, generates guidance path and forces to adjust result, and pressure adjusts result feedback user, and induction vehicle gets around
Section, emergent traffic incident place；Force to adjust result according to guidance path, update traffic flow information.
4. road traffic paths chosen method as claimed in claim 1, it is characterised in that according to predetermined request information and traffic
Whether flow information makes a reservation for the method for suitable guidance path and includes: obtain in estimating the trip time period and exist in guidance path
Predetermined saturated section；Original navigation path is generated according to predetermined request information, predetermined full when original navigation path does not exist
And section, utilize original navigation path to generate guidance path predetermined result；Saturated road is made a reservation for when original navigation path exists
Section, it is provided that the guidance path after adjustment get around described in made a reservation for saturated section, utilize the guidance path after adjusting to generate navigation road
Footpath predetermined result.
5. road traffic paths chosen method as claimed in claim 4, it is characterised in that also include: believe according to predetermined request
Breath, described guidance path predetermined module automatically generates the guidance path of different priority levels as original navigation path, according to car
Type, selects the original navigation path that the priority level corresponding with type of vehicle is the highest, generates guidance path predetermined result.
6. a road traffic Route Guidance System, it is characterised in that including: data obtaining module, guidance path predetermined module
And information feedback module；
Described data obtaining module, for obtaining predetermined request information and the traffic flow information of guidance path；
Described guidance path predetermined module, for according to the predetermined road of suitably navigating of predetermined request information and traffic flow information
Footpath, generates guidance path predetermined result；
Described information feedback module, is used for carrying out guidance path predetermined result feeding back and assist to update traffic flow information.
7. road traffic Route Guidance System as claimed in claim 6, it is characterised in that also include knot predetermined to guidance path
Fruit carries out the guidance path change module changed, including:
Described data obtaining module obtains the change request of guidance path predetermined result；
It is predetermined that described guidance path predetermined module judges whether to accept change according to traffic flow information, generates change result；
Change result is fed back by described information feedback module.
Road traffic Route Guidance System the most according to claim 6, it is characterised in that also include according to burst traffic thing
Part, carries out guidance path predetermined result forcing to adjust, including:
Described data obtaining module obtains the section at emergent traffic incident place and anticipated lasting period；
Described guidance path predetermined module forces to adjust the section at described emergent traffic incident place and the anticipated lasting period is pre-
The fixed guidance path predetermined result through vehicle, generates guidance path and forces to adjust result；
Guidance path is forced to adjust result feedback user by described information feedback module, and induction vehicle gets around emergent traffic incident institute
In section；
Described information feedback module forces to adjust result according to guidance path, assists to update traffic flow information.
Road traffic Route Guidance System the most according to claim 6, it is characterised in that described guidance path predetermined module
Including making a reservation for saturated section acquisition module, guidance path selection module, the described saturated section acquisition module that made a reservation for obtains pre-
Whether exist in meter travel time section and made a reservation for saturated section, described guidance path selects module to generate according to predetermined request information
Original navigation path, has made a reservation for saturated section when not existing in original navigation path, utilizes original navigation path to generate navigation road
Footpath predetermined result；Make a reservation for saturated section when original navigation path exists, it is provided that the guidance path after adjustment get around above-mentioned
Predetermined saturated section, utilizes the guidance path after adjusting to generate guidance path predetermined result.
10. a Traffic Information service platform, it is characterised in that including: road traffic Route Guidance System, traffic flow
Information system；
Described traffic flow information system has the traffic flow information of different time sections road；
Described road traffic Route Guidance System obtains the traffic in the anticipated trip time period from described traffic flow information system
Flow information, and obtain the predetermined request information of guidance path；Predetermined suitable according to predetermined request information and traffic flow information
Guidance path, generate guidance path predetermined result；Guidance path predetermined result is carried out feedback user and is sent to described friendship
Through-current capacity information system, traffic flow information is updated by described traffic flow information system.
11. Traffic Information service platforms as claimed in claim 10, it is characterised in that also include: traffic control system,
Road condition information is managed and real-time update road condition information by described traffic control system, described road condition information
Affect planning and the guidance path predetermined result of road traffic Route Guidance System original navigation path.
12. Traffic Information service platforms as claimed in claim 11, it is characterised in that described traffic control system according to
Emergent traffic incident, traffic flow information, adjust the function path of specific road section, limit the guidance path of specific road section
System, and update road condition information, described road traffic Route Guidance System adjusts according to the road condition information after updating and leads
Bit path predetermined result, generates and forces adjustment result to be sent to user, and feed back traffic flow information system immediate updating traffic
Flow information.
13. Traffic Information service platforms as claimed in claim 11, it is characterised in that also include subscription client, institute
State subscription client for submitting the predetermined request information of path navigation to or for submitting the change to guidance path predetermined result to
Solicited message, display guidance path predetermined result or change request results are also navigated.
14. Traffic Information service platforms as claimed in claim 13, it is characterised in that also include non-parking charge mould
Block, described non-parking charge module is connected with described traffic control system and described subscription client, when the predetermined knot of guidance path
Fruit is come into force, and described non-parking charge module obtains expenses standard and the charging principle that traffic control system is arranged, and obtains navigation
Charging section information in the predetermined result of path generates the statement of expense and sends to described subscription client.
15. Traffic Information service platforms as claimed in claim 11, it is characterised in that also include automatic vehicle identification and
Alignment system, described automatic vehicle identification is connected with traffic flow information system and traffic control system with alignment system, to road
Vehicle on road is identified and positions and obtains the driving information of described vehicle.
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