CN106530748A - Roadway congestion index prediction system and method - Google Patents
Roadway congestion index prediction system and method Download PDFInfo
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- CN106530748A CN106530748A CN201510577468.1A CN201510577468A CN106530748A CN 106530748 A CN106530748 A CN 106530748A CN 201510577468 A CN201510577468 A CN 201510577468A CN 106530748 A CN106530748 A CN 106530748A
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Abstract
The invention relates to a roadway congestion index prediction system (including a vehicle-mounted terminal), an analysis method and a prediction method. The roadway congestion index prediction system comprises a server and a vehicle-mounted terminal. The vehicle-mounted terminal comprises a controller, a wireless communication device and a positioning device. The positioning device is a high-precision multi-source positioning device. The vehicle-mounted terminal transmits the positioning information to the server. According to the technical scheme of the roadway congestion index prediction system, the server positions a vehicle on a lane through acquiring the high-precision and all-territory accurate real-time position of the vehicle running on the lane. Meanwhile, the server calculates the real-time congestion index of the lane/road according to preset road occupied coefficients for various types of vehicles. Moreover, the server predicts a future congestion index according to recorded historical congestion indexes. Therefore, the traffic management and the traffic navigation are facilitated.
Description
Technical field
The present invention relates to traffic administration, forecasting system, car-mounted terminal more particularly, to track congestion index,
Analysis method and Forecasting Methodology.
Background technology
Above reflection track or road, traffic density can use congestion in road index.Road vehicle flow, road
Road congestion index is the important evidence of traffic design, traffic administration, communication navigation；Particularly real-time road
Congestion index, can be used to carry out real-time traffic administration, communication navigation；It is accurate to the vehicle of track rank
Flow, congestion in road index are even more traffic design, traffic administration, the important evidence of communication navigation；In real time
Be accurate to track rank vehicle flow, congestion in road exponent pair real-time traffic scheduling, communication navigation have very big
Meaning.
The positioning precision of existing differential satellite alignment system can reach a millimeter rank, and receive terrain and its features
Impact it is little；Further, the post processing such as error correction is carried out by the data to single-point satellite fix, obtain high
The technology of precision location data；High-precision satellite positioning tech can be used to carry out traffic administration.
Existing Chinese patent 201520285479.8 is proposed《A kind of real-time track congestion index analysis system》
The real-time congestion index in road, track can be calculated according to the real-time distribution situation of vehicle on road；But
The system uses high-precision satellite positioning device, is no signal in tunnel etc., meanwhile, not
It is related to the prediction of congestion index.
If, the self-contained multi-source positioner of all or part vehicle, it becomes possible to more accurately analyze essence
True real-time road occupation situation, is more obtained in that accurate track service condition；Can further predict
Go out following a certain period track, the congestion index of road.
The content of the invention
Technical problem：
For the defect that prior art is present, the present invention proposes a kind of forecasting system of track congestion index (bag
Containing car-mounted terminal), analysis method, Forecasting Methodology.By the high-precision alignment system installed on vehicle, obtain
The real time position of the vehicle on get roads, in vehicle location to track, further analyzes real-time terrain vehicle
Flow, congestion in road index, track vehicle flow, track congestion index；According to historical data, prediction
The road vehicle flow of following a certain period, congestion in road index, track vehicle flow, track congestion index.
Technical scheme：
For achieving the above object, the present invention proposes that one kind is used for track congestion index forecasting system or track congestion
The car-mounted terminal of index analysis system, the car-mounted terminal include controller, positioner, radio communication dress
Put；The positioner, is high-precision positioner, and its positioning precision can be vehicle location on track.
The car-mounted terminal is arranged on vehicle；The controller respectively with radio communication device and positioner
Connection.
The car-mounted terminal sends server to location information；The radio communication device to server with
Mutual data information between car-mounted terminal；The positioner sends control to the location information of vehicle
Device.
For achieving the above object, the present invention proposes a kind of track congestion index forecasting system；The track congestion
Exponential forecasting system includes server, the car-mounted terminal；The server passes through channel radio with car-mounted terminal
T unit connects.
The track congestion index forecasting system, when track congestion index analysis is done, referred to as track congestion refers to
Number analysis system.
The positioner is satellite positioning device, inertial positioning device, the combination of architecture device.
The positioner, according to advance setting, when satellite positioning signal is of poor quality, automatically switches
For inertial positioning, when satellite positioning signal quality is good, satellite fix is automatically switched to.
The car-mounted terminal, the unique identifier of registration of vehicle.
The car-mounted terminal, also including data storage device, with data storage function；When breaking in the communications,
Data waiting for transmission can be stored.
The car-mounted terminal, also including drive recorder；The drive recorder is run over for registration of vehicle
Cheng Zhong, vehicle interior, the image of vehicle periphery, acoustic information.
The car-mounted terminal, also includes the wired communication interface between external equipment.
The car-mounted terminal, also includes the near field communication interface between external equipment.
The car-mounted terminal, also including mobile unit safety device, to avoid, driver's active interference is vehicle-mounted to be set
Standby normal work.
The track congestion index forecasting system, also including the application management terminal of traffic administration librarian use,
The application management terminal is the information terminal of networking, including fix information terminal and/or mobile message end
End.
The track congestion index forecasting system, the operational management end for also using including system operation administrative staff
End；The operation management terminal is the information terminal of networking, including fix information terminal and/or mobile message end
End.
With communication connection between the server of the server and track congestion index analysis system；The service
Device obtains congestion index from track congestion index analysis system, or oneself calculates acquisition congestion index.
For achieving the above object, the present invention proposes a kind of track congestion index analysis method, comprising the method
Running software on the hardware of described track congestion index forecasting system or track congestion index analysis system,
Including following process step：
1) obtain the location data of the real-time high-precision of vehicle：Car-mounted terminal is according to the mode of operation for pre-setting
Oneself newest location data is sent to server；
2) location data in the range of the setting time that received according to server, default track region are sentenced
The track that disconnected vehicle is located；
3) count the quantity of vehicle on each track；Think the quantity of vehicle on each track, be that track is current
Congestion index one.
The real-time track congestion index analysis method, also including being respectively provided with every kind of different types of car in advance
Occupancy road coefficient；Now, 3) above-mentioned steps are changed to the combination of following process step：
3.1) quantity of various types of vehicle on each track is counted respectively, it is believed that on certain track
The quantity of certain type of vehicle, is the congestion in the range of the setting time of this type vehicle on the track
Index one；
3.2) congestion index and then to all types vehicle on same track in the range of setting time
One summation, obtains the congestion index one in the range of the setting time in the track；
3.3) congestion index one again the various types of vehicle in the track in the range of setting time
The vehicle for being multiplied by this type for pre-setting respectively takes the coefficient of road, and the product of gained is should on the track
The congestion index two of type of vehicle；
3.4) congestion index two in the range of setting time of all types vehicle on the track is sued for peace, obtains
To congestion index two of the track in the range of setting time.
The real-time track congestion index analysis method, optionally also comprises the steps：
4) congestion index one or congestion index two track and/or road in the range of setting time divided by
Affiliated track and/or the area of road, the business of acquisition are the track and/or road in the range of setting time
Congestion index three or
4.1) congestion index one of certain type of vehicle track and/or road in the range of setting time
Or congestion index two, divided by affiliated track and/or the area of road, the business of acquisition is the track and/or road
The congestion index three of certain type of vehicle in the range of the setting time.
The track congestion index analysis method, the optionally combination also including following process step：
5) according to the relation of default track and road, to belong to same path each track in setting
Congestion index one in time range is sued for peace, and obtains the congestion index in the range of the setting time of the road
One；
6) according to default track and the relation of road, certain species in each track to belonging to same path
The congestion index one in the range of setting time of the vehicle of type is sued for peace, and obtains the car of the road this type
The congestion index one in the range of the setting time；
7) according to the relation of default track and road, to belong to same path each track in setting
Congestion index two in time range is sued for peace, and obtains the congestion index in the range of the setting time of the road
Two；
8) according to default track and the relation of road, certain species in each track to belonging to same path
The congestion index two in the range of setting time of the vehicle of type is sued for peace, and obtains the car of the road this type
The congestion index two in the range of the setting time；
9) congestion index one in the range of the setting time obtained by calculating, congestion index two, congestion index three,
In data-in storehouse.
The congestion index one, congestion index two, congestion index three are referred to as congestion index.
For achieving the above object, the present invention proposes a kind of track congestion index Forecasting Methodology, comprising the method
Running software on the hardware of described track congestion index forecasting system or track congestion index analysis system,
Including following process step：
1) the congestion index data of take out corresponding track and/or road a period of time in history；
2) to the historical data taken out, mathematical analysis is carried out, obtains corresponding track of follow-up a certain period and/or road
The prediction data of the congestion index on road.
Or, the track congestion index Forecasting Methodology comprises the steps：
3) take out identical period on N (more than or equal to 1) in front individual similar date, the previous period, it is follow-up when
The congestion index data of section；Preferred N is 3；N number of congestion index predictive coefficient, N number of congestion index are set
Predictive coefficient sum is 1；
4) congestion index of this period a few days ago, divided by the congestion index of previous similar correspondence period on date, obtains
The business for arriving is congestion index ratio；
5) step 3) congestion index of N number of following sessions taken out, connect that to be multiplied by corresponding congestion index pre- respectively
Survey coefficient, congestion index ratio, the product summation of gained, gained and for the latter period congestion index prediction
Data；
The step 4), can also be one of following step:
4b) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Mean value, the business for obtaining be congestion index ratio；
4c) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Maximum or minimum of a value, the business for obtaining be congestion index ratio；
4d) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Any one, the business for obtaining be congestion index ratio；
The step 5), can also be:
5b) step 3) congestion index of N number of following sessions taken out, is multiplied by corresponding congestion index prediction respectively
Coefficient, gained product summation, gained and be multiplied by congestion index ratio again, the product for obtaining is the latter period
Congestion index prediction data.
Technique effect：
A kind of track congestion index forecasting system proposed by the present invention, server are high-precision in road vehicles by obtaining
Degree, the more accurate real time position in full region, in vehicle location to track and various according to what is pre-set
The coefficient of the occupancy road of the vehicle of type, calculates the real-time congestion index of track or road, and according to note
The history congestion index of record, predicts following congestion index, is conducive to traffic administration, communication navigation.
Description of the drawings
Fig. 1 is the principle schematic of the track congestion index forecasting system of the present invention.
Fig. 2 is the principle schematic of the car-mounted terminal of the present invention.
Fig. 3 is the principle schematic of the positioner of the present invention：
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and reality
Example is applied, the present invention is described in further detail.It should be appreciated that specific embodiment described herein
Only to explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, the present invention proposes a kind of track congestion index forecasting system, including：Server, car
Mounted terminal, application management terminal, operation management terminal, communication system；The car-mounted terminal, application management
Terminal, operation management terminal pass through communication system and server communication.The server is passed through with car-mounted terminal
Radio communication device connects；The track congestion index forecasting system, when track congestion index analysis is done,
Referred to as track congestion index analysis system.
As shown in Fig. 2 the car-mounted terminal includes：Controller, radio communication device, positioner, OK
Car recorder, mobile unit safety device；The controller, radio communication device, positioner, driving
Connection between recorder, mobile unit safety device is prior art.
As shown in figure 3, the positioner includes：Controller, satellite positioning device, inertial positioning device,
Architecture device；The controller, satellite positioning device, inertial positioning device, architecture device it
Between connection be prior art.
The car-mounted terminal is arranged on vehicle；The controller respectively with radio communication device and positioner
Connection；The radio communication device is to mutual data information between server and car-mounted terminal；It is described
The positioner of car-mounted terminal sends controller to the location information of vehicle.
The car-mounted terminal is the group of the track congestion index forecasting system or track congestion index analysis system
Into part.
The positioner is satellite positioning device, inertial positioning device, the combination of architecture device.
The positioner, is high-precision positioner, and its positioning precision can be vehicle location on track.
The positioner, can be according to advance setting, when satellite positioning signal is of poor quality, automatically
Inertial positioning is switched to, when satellite positioning signal quality is good, satellite fix is automatically switched to.
The satellite positioning device；From differential satellite positioner, or satellite fix intensifier, or
Person's others high accuracy satellite positioning device；The positioning precision of selected satellite positioning device is better than 0.5 meter,
Differential satellite positioner, its positioning precision is preferably used to be better than 0.1 meter.
The positioner, when comprising architecture device, according to advance setting, using architecture
Data Detection satellite fix, the location data of inertial positioning error it is whether reasonable；Its determination methods is to examine
Satellite fix, the difference between the location data of inertial positioning and the location data of architecture are surveyed whether pre-
First set it is rational within the scope of；If difference is excessive, then one of 3 kinds of positioners may work not
Normally.It was found that when positioner work is abnormal, overhauling in time.
The architecture device, its position error are larger, and lower ground square positioning precision is lower for base station density；
When satellite positioning device, the work of inertial positioning device are all abnormal, using determining that architecture device is provided
Position data.
Pre-set the architecture precision of regional；Pre-set satellite fix, the inertia of regional
Reasonable difference threshold value between the location data of positioning and the location data of architecture.
The radio communication device is cellular radio Communication terminal or digital radio station.
The car-mounted terminal, the unique identifier of registration of vehicle.
The car-mounted terminal, also including data storage device, with data storage function；When breaking in the communications,
Data waiting for transmission can be stored.
The car-mounted terminal, optionally also includes mobile unit safety device；Its integrated application it is following two parts specially
The technology of profit：Chinese patent 2015202687899, proposition《The locomotive electronic ID peace of double source positioning
Full protection system》, Chinese patent 2015202701773, proposition《A kind of locomotive electronic ID safety
Guard system》.
The car-mounted terminal, optionally also includes drive recorder；The drive recorder is used for registration of vehicle
During traveling, vehicle interior, the image of vehicle periphery, acoustic information.Driving recording is included preferably
Instrument；It is prior art.
The track congestion index forecasting system, the optionally application management also including traffic administration librarian use
Terminal, the application management terminal are the information terminals of networking, including fix information terminal and/or mobile message
Terminal；Preferably include application management terminal；It is prior art.
The track congestion index forecasting system, when track congestion index analysis is done, referred to as track congestion refers to
Number analysis system.
The track congestion index forecasting system, optionally also include system operation administrative staff using this be
The operation management terminal of system；The operation management terminal is the information terminal of networking, including fix information terminal
And/or personal digital assistant device；Preferably include operation management terminal；It is prior art.
The car-mounted terminal, optionally also includes the wired communication interface between external equipment.It is preferred to wrap
Include wired communication interface；It is prior art.
The car-mounted terminal, optionally also includes the near field communication interface between external equipment.It is excellent
Choosing including near field communication interface；It is prior art.
The car-mounted terminal is arranged on vehicle, is powered by onboard power system, and which is installed, power supply technique is
Prior art.
With communication connection between the server of the server and track congestion index analysis system；The service
Device obtains congestion index from track congestion index analysis system, or oneself calculates acquisition congestion index.
The congestion index is described congestion index one, congestion index two, the combination of congestion index three.
A kind of track congestion index analysis method, the running software comprising the method refer in described track congestion
On the hardware of number forecasting system or track congestion index analysis system, including following process step：
1) obtain the location data of the real-time high-precision of vehicle：Car-mounted terminal is according to the mode of operation for pre-setting
Oneself newest location data is sent to server；
2) location data in the range of the setting time that received according to server, default track region are sentenced
The track that disconnected vehicle is located；
3) count the quantity of vehicle on each track；Think the quantity of vehicle on each track, be that track is current
Congestion index one.
The real-time track congestion index analysis method, also including being respectively provided with every kind of different types of car in advance
Occupancy road coefficient；Now, 3) above-mentioned steps are changed to the combination of following process step：
3.1) quantity of various types of vehicle on each track is counted respectively, it is believed that on certain track
The quantity of certain type of vehicle, is the congestion in the range of the setting time of this type vehicle on the track
Index one；
3.2) congestion index and then to all types vehicle on same track in the range of setting time
One summation, obtains the congestion index one in the range of the setting time in the track；
3.3) congestion index one again the various types of vehicle in the track in the range of setting time
The vehicle for being multiplied by this type for pre-setting respectively takes the coefficient of road, and the product of gained is should on the track
The congestion index two of type of vehicle；
3.4) congestion index two in the range of setting time of all types vehicle on the track is sued for peace, obtains
To congestion index two of the track in the range of setting time.
The real-time track congestion index analysis method, optionally also comprises the steps：
4) congestion index one or congestion index two track and/or road in the range of setting time divided by
Affiliated track and/or the area of road, the business of acquisition are the track and/or road in the range of setting time
Congestion index three or
4.1) congestion index one of certain type of vehicle track and/or road in the range of setting time
Or congestion index two, divided by affiliated track and/or the area of road, the business of acquisition is the track and/or road
The congestion index three of certain type of vehicle in the range of the setting time.
The track congestion index analysis method, the optionally combination also including following process step：
5) according to the relation of default track and road, to belong to same path each track in setting
Congestion index one in time range is sued for peace, and obtains the congestion index in the range of the setting time of the road
One；
6) according to default track and the relation of road, certain species in each track to belonging to same path
The congestion index one in the range of setting time of the vehicle of type is sued for peace, and obtains the car of the road this type
The congestion index one in the range of the setting time；
7) according to the relation of default track and road, to belong to same path each track in setting
Congestion index two in time range is sued for peace, and obtains the congestion index in the range of the setting time of the road
Two；
8) according to default track and the relation of road, certain species in each track to belonging to same path
The congestion index two in the range of setting time of the vehicle of type is sued for peace, and obtains the car of the road this type
The congestion index two in the range of the setting time；
9) congestion index one in the range of the setting time obtained by calculating, congestion index two, congestion index three,
In data-in storehouse.
The present invention proposes a kind of track congestion index Forecasting Methodology, and the running software comprising the method is described
On the hardware of track congestion index forecasting system or track congestion index analysis system, including following process step：
1) the congestion index data of take out corresponding track and/or road a period of time in history；
2) to the historical data taken out, mathematical analysis is carried out, obtains corresponding track of follow-up a certain period and/or road
The prediction data of the congestion index on road.
The step 2), by the data analysis to historical a certain certain types of congestion index, obtain
The prediction data of a certain certain types of congestion index of follow-up a certain period.Its analysis method is space-time analysis
Method：According to same road and/or track be identical in history and/or the similar period, similar date congestion
Exponent data, calculates according to default analysis method, obtains the prediction number of the congestion index of follow-up specific time period
According to.
Described identical and/or similar period, such as generally referred to as same period, morning 7:30 to 8:00,
Can be the period of time somewhat difference, such as morning 7:30 to 8:00 correspondence morning 7:40 to 8:10.
On described identical and/or similar period, the similar date, refer to same period or time somewhat difference
The similar situation of period, road and/or lane traffic situation, the such as morning 7 of the Monday of working:30 to 8:00.
The period, according to the needs of analysis, pre-set, its minimum zone can arrange the second, it is maximum
Scope was arranged to year；It is preferable to provide as 6 minutes.
The step of default analysis method is the track congestion index Forecasting Methodology；
Or, the track congestion index Forecasting Methodology comprises the steps：
3) take out identical period on N (more than or equal to 1) in front individual similar date, the previous period, it is follow-up when
The congestion index data of section；Preferred N is 3；N number of congestion index predictive coefficient, N number of congestion index are set
Predictive coefficient sum is 1；N number of congestion index predictive coefficient, is rule of thumb arranged；
4) congestion index of this period a few days ago, divided by the congestion index of previous similar correspondence period on date, obtains
The business for arriving is congestion index ratio；
5) step 3) congestion index of N number of following sessions taken out, connect that to be multiplied by corresponding congestion index pre- respectively
Survey coefficient, congestion index ratio, the product summation of gained, gained and for the latter period congestion index prediction
Data；
The step 4), can also be one of following step:
4b) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Mean value, the business for obtaining be congestion index ratio；
4c) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Maximum or minimum of a value, the business for obtaining be congestion index ratio；
4d) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Any one, the business for obtaining be congestion index ratio；
4e) the congestion index of this period a few days ago, is respectively divided by the congestion of front N number of similar correspondence period on date
Index, congestion index ratio of the N number of business for obtaining for the correspondence date；
The step 5), can also be:
5b) step 3) congestion index of N number of following sessions taken out, corresponding congestion index predictive coefficient is multiplied by,
Gained product summation, gained and be multiplied by congestion index ratio again, the product for obtaining is that the congestion of latter period refers to
Number prediction data.
A kind of track congestion index forecasting system proposed by the present invention, server are high-precision in road vehicles by obtaining
Degree, the more accurate real time position in full region, in vehicle location to track and various according to what is pre-set
The coefficient of the occupancy road of the vehicle of type, calculates the real-time congestion index of track or road, and according to note
The history congestion index of record, predicts following congestion index, is conducive to traffic administration, communication navigation.
Presently preferred embodiments of the present invention is the foregoing is only, it is not to limit the present invention, all at this
Any modification, equivalent and improvement for being made within bright spirit and principle etc., should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of for track congestion index forecasting system or the car-mounted terminal of track congestion index analysis system,
It is characterized in that：The car-mounted terminal includes controller, positioner, radio communication device；The positioning
Device, is high-precision positioner, and its positioning precision can be vehicle location on track.
2. a kind of track congestion index forecasting system or track congestion index analysis system, it is characterised in that：Bag
Include：Server, car-mounted terminal；The car-mounted terminal is described in claim 1 and its dependent claims
Car-mounted terminal；The server is connected by radio communication device with car-mounted terminal；The track congestion index
Forecasting system, when doing track congestion index and analyzing, referred to as track congestion index analysis system.
3. car-mounted terminal according to claim 1, it is characterised in that：The positioner is satellite
Position device, inertial positioning device, the combination of architecture device.
4. car-mounted terminal according to claim 3, it is characterised in that：The positioner, according to pre-
First setting, when satellite positioning signal is of poor quality, automatically switches to inertial positioning, believes in satellite fix
When number quality is good, satellite fix is automatically switched to.
5. car-mounted terminal according to claim 1, it is characterised in that：The car-mounted terminal, records car
Unique identifier.
6. car-mounted terminal according to claim 1, it is characterised in that：The car-mounted terminal, also includes
Drive recorder；During the drive recorder is used for registration of vehicle traveling, vehicle interior, vehicle periphery
Image, acoustic information.
7. congestion index forecasting system in track according to claim 2 or track congestion index analysis system,
It is characterized in that：Also include mobile unit safety device.
8. congestion index forecasting system in track according to claim 2 or track congestion index analysis system,
It is characterized in that：Also include application management terminal and/or the system operation administrative staff of traffic administration librarian use
The operation management terminal for using.
9. a kind of track congestion index analysis method, it is characterised in that：Running software comprising the method is in institute
State on the hardware of a kind of track congestion index forecasting system or track congestion index analysis system, including following place
Reason step：
1) obtain the location data of the real-time high-precision of vehicle：Car-mounted terminal is according to the mode of operation for pre-setting
Oneself newest location data is sent to server；
2) location data in the range of the setting time that received according to server, default track region are sentenced
The track that disconnected vehicle is located；
3) count the quantity of vehicle on each track；Think the quantity of vehicle on each track, be that track is current
Congestion index one；
The real-time track congestion index analysis method, also including being respectively provided with every kind of different types of car in advance
Occupancy road coefficient；Now, 3) above-mentioned steps are changed to the combination of following process step：
3.1) quantity of various types of vehicle on each track is counted respectively, it is believed that on certain track
The quantity of certain type of vehicle, is the congestion in the range of the setting time of this type vehicle on the track
Index one；
3.2) congestion index and then to all types vehicle on same track in the range of setting time
One summation, obtains the congestion index one in the range of the setting time in the track；
3.3) congestion index one again the various types of vehicle in the track in the range of setting time
The vehicle for being multiplied by this type for pre-setting respectively takes the coefficient of road, and the product of gained is should on the track
The congestion index two of type of vehicle；
3.4) congestion index two in the range of setting time of all types vehicle on the track is sued for peace, obtains
To congestion index two of the track in the range of setting time；
The real-time track congestion index analysis method, optionally also comprises the steps：
4) congestion index one or congestion index two track and/or road in the range of setting time divided by
Affiliated track and/or the area of road, the business of acquisition are the track and/or road in the range of setting time
Congestion index three or
4.1) congestion index one of certain type of vehicle track and/or road in the range of setting time
Or congestion index two, divided by affiliated track and/or the area of road, the business of acquisition is the track and/or road
The congestion index three of certain type of vehicle in the range of the setting time；
The track congestion index analysis method, the optionally combination also including following process step：
5) according to the relation of default track and road, to belong to same path each track in setting
Congestion index one in time range is sued for peace, and obtains the congestion index in the range of the setting time of the road
One；
6) according to default track and the relation of road, certain species in each track to belonging to same path
The congestion index one in the range of setting time of the vehicle of type is sued for peace, and obtains the car of the road this type
The congestion index one in the range of the setting time；
7) according to the relation of default track and road, to belong to same path each track in setting
Congestion index two in time range is sued for peace, and obtains the congestion index in the range of the setting time of the road
Two；
8) according to default track and the relation of road, certain species in each track to belonging to same path
The congestion index two in the range of setting time of the vehicle of type is sued for peace, and obtains the car of the road this type
The congestion index two in the range of the setting time；
9) calculate obtain setting time in the range of various types of congestion indexes one, congestion index two,
Congestion index three, in data-in storehouse.
10. a kind of track congestion index Forecasting Methodology, it is characterised in that：Running software comprising the method is in institute
State on the hardware of a kind of track congestion index forecasting system or track congestion index analysis system, including following place
Reason step：
1) corresponding track and/or the congestion index data of road history the preceding paragraph time are taken out；
2) to the historical data taken out, mathematical analysis is carried out, obtains corresponding track of follow-up a certain period and/or road
The prediction data of the congestion index on road；
Or, including following process step：
3) take out identical period on N (more than or equal to 1) in front individual similar date, the previous period, it is follow-up when
The congestion index data of section；Preferred N is 3；N number of congestion index predictive coefficient, N number of congestion index are set
Predictive coefficient sum is 1；
4) congestion index of this period a few days ago, divided by the congestion index of previous similar correspondence period on date, obtains
The business for arriving is congestion index ratio；
5) step 3) congestion index of N number of following sessions taken out, connect that to be multiplied by corresponding congestion index pre- respectively
Survey coefficient, congestion index ratio, the product summation of gained, gained and for the latter period congestion index prediction
Data；
The step 4), can also be one of following step:
4b) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Mean value, the business for obtaining be congestion index ratio；
4c) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Maximum or minimum of a value, the business for obtaining be congestion index ratio；
4d) the congestion index of this period a few days ago, divided by the congestion index of front N number of similar correspondence period on date
Any one, the business for obtaining be congestion index ratio；
The step 5), can also be:
5b) step 3) congestion index of N number of following sessions taken out, is multiplied by corresponding congestion index prediction respectively
Coefficient, gained product summation, gained and be multiplied by congestion index ratio again, the product for obtaining is the latter period
Congestion index prediction data.
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