CN105427594A - Bidirectional-getting-on-passenger-flow-based obtaining method and system for bus section passenger flow volume - Google Patents

Abstract

The invention discloses a bidirectional-getting-on-passenger-flow-based obtaining method for a bus section passenger flow volume. The method comprises: (1), carrying out pretreatment on stop information; (2), carrying out statistics on historical getting-on passenger flows of all stops respectively; (3), calculating the travelling getting-off probability; (4), calculating traffic trip volumes of all stops in real time and calculating real-time stop traffic trip volumes at all uplink-downlink directions in real time according to bus IC card and GPS stop reporting information; and (5), calculating route section demand information according to the real-time stop traffic trip volumes at all uplink-downlink directions. According to the method provided by the invention, the travel getting-off probability of passengers is calculated based on the bidirectional getting-on passenger flow; data calculation in advance and storage can be carried out according to the historical getting-on passenger flow data; and the trip getting-off probability can be invoked directly and the traffic trip volume can be calculated based on the getting-on flow during the calculation period. The method is simple and practical; the solution efficiency is high; and the real-time performance is good.

Description

A kind of public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus and system

Technical field

The present invention relates to technical field of intelligent traffic, specifically, relate to a kind of public transport section volume of the flow of passengers acquisition methods and system.

Background technology

City bus section passenger flow refers to that public bus network is by the volume of the flow of passengers of a certain website within the unit interval.Public transport section passenger flow is the important evidence of urban public transport planning and management, and it calculates for public bus network load factor, intelligent bus dispatching and line network optimization adjustment etc. is in real time all significant.

Tradition obtains public transport section passenger flow method and mainly contains two classes, and one is adopt manually with car sample survey, and the method needs to drop into a large amount of manpowers and fund, and limited sampling circuit also cannot reflect urban mass-transit system Trip distribution rule overall picture.In addition, after public transportation organization scheme or travelling rule change, then the validity of existing enquiry data and deduction rule thereof is deteriorated; Two is the automatic passenger counting devices installing foot pedal pad or infrared-type in car, section passenger flow is calculated by the calculating vehicle volume of the flow of passengers of getting on or off the bus, but affect by factors such as monitoring of environmental variation, passenger's behavior complicacy, actual accuracy of detection is limited, and practical engineering application is also less.

In the last few years, along with the fast development of intelligent public transportation system, by analyzing the information such as Based on Bus IC Card Data, vehicle GPS locator data, thus the method for estimation bus passenger flow is subject to people's attention gradually.If know, IC-card holds the website that gets on and off of passenger, then can calculate the get on and off flow of public bus network in respective site, and then calculate and solve line section passenger flow.For the reckoning of get on the bus website and passenger flow, the scheme comparative maturity of data of calling out the stops based on time match analysis bus IC card brushing card data and GPS.For the reckoning of get-off stop and passenger flow, current technical scheme is then mainly divided into two classes, and a class is by analyzing travelling transfer rule, and then estimates possible future get-off stop according to the website of getting on the bus after transfer; Another kind of, be based on Trip chain Closure assumption, calculate that a certain IC-card whole day twice of going out in line item website of getting on the bus is gone on a journey origin and destination each other.These schemes more accurately can estimate that a certain IC-card holds the travel behaviour of passenger, but when being applied to the public transit system section passenger flow analysing of whole City-level, data calculated amount is large, and real-time is also poor, has certain limitation.

Application number is the patent of invention " the interval passenger flow method of estimation in a kind of bus station based on IC-card data " of 201510198468.0, propose a kind of by unidirectional passenger flow determination website attraction weight of getting on the bus, thus calculate the method for passenger flow of getting off, but only consider that the computing method of unidirectional passenger flow of getting on the bus are also more rough, particularly for the public bus network with tide current phenomenon, the accuracy in computation of the method will significantly reduce.

Summary of the invention

The present invention obtains public transport section passenger flow method data calculated amount greatly to solve tradition, and the problem of poor real, proposes a kind of public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus and system, can solve the problem.

In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:

Based on a public transport section volume of the flow of passengers acquisition methods for two-way passenger flow of getting on the bus, comprise the following steps:

(1), site information pre-service, by public bus network via two-way each website number respectively, wherein, down direction site number is up direction site number is the span of described i is 1 ~ n, to be that public bus network is unidirectional count via master station described n, described n be greater than 1 integer, the numbering of all websites of described down direction increases progressively according to vehicle heading, and the numbering of all websites of described up direction is successively decreased according to vehicle heading;

(2) passenger flow of, to the history of each website getting on the bus is added up respectively, and wherein, the history of down direction i-th website passenger flow of getting on the bus is the history of up direction jth website passenger flow of getting on the bus is

(3), calculate trip to get off probability, described trip probability of getting off refers in the downstream direction, i-th website is got on the bus the probability that passenger flow is got off at the downstream jth website of this travel direction, the get on the bus history of jth website upstream station point set of passenger flow and relative direction of the history equaling the jth website of relative direction is got on the bus the ratio of passenger flow sum, and in the upstream direction, jth website is got on the bus the probability that passenger flow is got off at downstream i-th website of this travel direction, the get on the bus history of the i-th website upstream station point set of passenger flow and relative direction of the history equaling the i-th website of relative direction is got on the bus the ratio of passenger flow sum, wherein, the down direction i-th website probability that passenger flow gets off at jth website of getting on the bus is the up direction jth website probability that passenger flow gets off at the i-th website of getting on the bus is i < j≤n, described up direction and down direction relative direction each other,

(4), calculate in real time the traffic trip amount of each website, to call out the stops information according to bus IC card and GPS, calculate the traffic trip amount of the real-time website of up-downgoing all directions in real time;

(5), line section demand information is calculated according to the traffic trip gauge of the real-time website of described up-downgoing all directions.

Based on above-mentioned public transport section volume of the flow of passengers acquisition methods, the present invention proposes a kind of public transport section volume of the flow of passengers based on two-way passenger flow of getting on the bus simultaneously and obtains system, comprising:

Information acquisition module, comprises IC-card card swiping terminal, GPS calls out the stops terminal and wireless communication module, be respectively used to collection swipe the card passenger flow information, carry out GPS and call out the stops and data radio communication;

Information storage module, to call out the stops data for the IC-card brushing card data and GPS storing information acquisition module transmission, regularly by data conversion storage in real-time data base to historical data base;

Message processing module, for performing following steps:

(1), site information pre-service, by public bus network via two-way each website number respectively, wherein, down direction site number is up direction site number is the span of described i is 1 ~ n, to be that public bus network is unidirectional count via master station described n, described n be greater than 1 integer, the numbering of all websites of described down direction increases progressively according to vehicle heading, and the numbering of all websites of described up direction is successively decreased according to vehicle heading;

(2) passenger flow of, to the history of each website getting on the bus is added up respectively, and wherein, the history of down direction i-th website passenger flow of getting on the bus is the history of up direction jth website passenger flow of getting on the bus is

(3), calculate trip to get off probability, described trip probability of getting off refers in the downstream direction, i-th website is got on the bus the probability that passenger flow is got off at the downstream jth website of this travel direction, the get on the bus history of jth website upstream station point set of passenger flow and relative direction of the history equaling the jth website of relative direction is got on the bus the ratio of passenger flow sum, and in the upstream direction, jth website is got on the bus the probability that passenger flow is got off at downstream i-th website of this travel direction, the get on the bus history of the i-th website upstream station point set of passenger flow and relative direction of the history equaling the i-th website of relative direction is got on the bus the ratio of passenger flow sum, wherein, the down direction i-th website probability that passenger flow gets off at jth website of getting on the bus is the up direction jth website probability that passenger flow gets off at the i-th website of getting on the bus is i < j≤n, described up direction and down direction relative direction each other,

(4), calculate in real time the traffic trip amount of each website, to call out the stops information according to bus IC card and GPS, calculate the traffic trip amount of the real-time website of up-downgoing all directions in real time;

Information issuing module, for the line section demand information held by PC or mobile terminal interface queries message processing module calculates.

Compared with prior art, advantage of the present invention and good effect are: the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus of the present invention, first the trip calculating passenger based on two-way passenger flow of getting on the bus is got off probability, the trip of passenger probability of getting off to be got on the bus passenger flow data based on history, can precalculate and store, when needing to solve the section passenger flow in current calculating period, directly call trip probability of getting off and assignment of traffic is carried out to upper vehicle flowrate in calculating period, scheme is simple and practical, solution efficiency is high, has good real-time simultaneously.

After reading the detailed description of embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of embodiment process flow diagram of the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus proposed by the invention;

Fig. 2 is two-way each website numbering schematic diagram respectively in a kind of embodiment of the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus proposed by the invention;

Fig. 3 is that in a kind of embodiment of the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus proposed by the invention, two-way website number carries out the schematic diagram adjusted;

Fig. 4 is a kind of embodiment functional-block diagram that the public transport section volume of the flow of passengers based on two-way passenger flow of getting on the bus proposed by the invention obtains system.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Embodiment one, obtain public transport section passenger flow method data calculated amount greatly, the problem of poor real to solve tradition, the present embodiment proposes a kind of public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus, and as shown in Figure 1, comprises the following steps:

S1, site information pre-service, by public bus network via two-way each website number respectively, as shown in Figure 2, wherein, down direction site number is up direction site number is the span of described i is 1 ~ n, to be that public bus network is unidirectional count via master station described n, described n be greater than 1 integer, the numbering of all websites of described down direction increases progressively according to vehicle heading, and the numbering of all websites of described up direction is successively decreased according to vehicle heading; By adopting this step to site information pre-service, subsequent step is facilitated to calculate.

S2, passenger flow of getting on the bus to the history of each website are added up respectively, and wherein, the history of down direction i-th website passenger flow of getting on the bus is the history of up direction jth website passenger flow of getting on the bus is history passenger flow data of getting on the bus to be got off probability for calculating trip, makes to get off probable value based on historical data Statistics, more accurately, close to actual value.

S3, calculate trip to get off probability, described trip probability of getting off refers in the downstream direction, i-th website is got on the bus the probability that passenger flow is got off at the downstream jth website of this travel direction, the get on the bus history of jth website upstream station point set of passenger flow and relative direction of the history equaling the jth website of relative direction is got on the bus the ratio of passenger flow sum, and in the upstream direction, jth website is got on the bus the probability that passenger flow is got off at downstream i-th website of this travel direction, the get on the bus history of the i-th website upstream station point set of passenger flow and relative direction of the history equaling the i-th website of relative direction is got on the bus the ratio of passenger flow sum, wherein, the down direction i-th website probability that passenger flow gets off at jth website of getting on the bus is the up direction jth website probability that passenger flow gets off at the i-th website of getting on the bus is i < j≤n, described up direction and down direction relative direction each other, in the present embodiment, trip is got off the account form of probability, get off at a certain website based on passenger in a wherein travel direction, can get on the bus at the same website with this website opposite circuit toward when roundtrip, get trip thus and to get off probability, solve the problem that passenger flow get-off stop is difficult to estimate.

The traffic trip amount of S4, the in real time each website of calculating, the traffic trip amount of call out the stops according to bus IC card and GPS information, the real-time website of all directions of calculating up-downgoing in real time; Owing to having calculated probability of getting off of going on a journey in step S3, therefore, the traffic trip amount of each website also can correspondingly calculate.

S5, calculate line section demand information according to the traffic trip gauge of the real-time website of described up-downgoing all directions.Owing to can draw the traffic trip amount of each website in step S4, and section passenger flow refers to that public bus network is by the volume of the flow of passengers of a certain website within the unit interval, and therefore line section demand information also can correspondingly draw.

The public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus of the present embodiment, by the historical data that mining analysis magnanimity bus IC card and GPS are called out the stops, the two-way passenger flow of getting on the bus of combined circuit determines to get off probability to the passenger of downstream website in any website place, and then circuit each website traffic trip amount can be calculated according to IC-card and GPS real time data of calling out the stops, and the final acquisition public bus network section volume of the flow of passengers, for bus operation planning provides good decision support with management.The trip of passenger probability of getting off to be got on the bus passenger flow data based on history, can precalculate and store, when needing to solve the section passenger flow in current calculating period, directly call trip probability of getting off and assignment of traffic is carried out to upper vehicle flowrate in calculating period, scheme is simple and practical, solution efficiency is high, has good real-time simultaneously.

As a preferred embodiment, in described step S3, the get off computing method of probability of described trip are as follows:

For down direction, the i-th website downstream stations point set be relative direction jth website upstream station point set down direction i-th website to jth website probability of getting off equal the jth website of relative direction the get on the bus history of jth website downstream stations point set of passenger flow and relative direction of history to get on the bus the ratio of passenger flow sum,

For up direction, jth website downstream stations point set is relative direction i-th website upstream station point set up direction jth website to the i-th website probability of getting off equal the i-th website of relative direction the get on the bus history of the i-th station, website upstream collection of passenger flow and relative direction of history to get on the bus the ratio of passenger flow sum,

Two-way bus stop may be there is and to count inconsistent phenomenon in the public bus network of actual operation, in order to carrying out smoothly of ensureing that subsequent step calculates, also need the circuit many to website to carry out website and merge pre-service, therefore, in described step S1, also comprise and compare the down direction step whether consistent with the website quantity of up direction:

The website quantity in S11, calculating uplink and downlink direction, and be designated as n1 and n2 respectively, and whether equal both judging, if equal, perform step S2, if unequal, then perform step S12;

S12, all interval computation station spacings to a fairly large number of circuit of website, find out the interval that station spacing is minimum, and the two ends website in this interval merged into a website;

S13, be combined the renewal of track site number after website, return step S11.

Apparently, after process, namely the passenger flow of getting on the bus of joint of new station is get on the bus passenger flow sum in all original station that it comprises, and the two-way station of public bus network after treatment all can unique match, namely for up station, must there is descending station corresponding with it; Vice versa, as shown in Figure 3, illustrates the example adjusted two-way website number.

According to practical application needs, preferably determine to add up period accordingly, and the historical data computational scheme of calling out the stops based on bus IC card and GPS to be got on the bus passenger flow in the history in point uplink and downlink direction of any website.Because data estimation of being called out the stops by IC-card and GPS passenger flow of getting on the bus belongs to known technology, repeat no more here.Especially, can according to the corresponding passenger flow of getting on the bus under the feature extraction similar characteristics such as the period of situation to be calculated, weather.Such as, expect the public transport section passenger flow under calculating present case, its period is characterized as Monday, August, then extract and be in Monday together, the history in August gets on the bus the to be entered data of passenger flow as subsequent step.

Preferably according to weighted optimization thought, history is got on the bus passenger flow correction in the present embodiment, in described step 2, also comprises and history is got on the bus the step that passenger flow revises:

${\stackrel{\&OverBar;}{Q}}_U^j=\mathrm{\&alpha;}{\tilde{Q}}_U^j+(1-\mathrm{\&alpha;}){\hat{Q}}_U^j;$

${\stackrel{\&OverBar;}{Q}}_D^i=\mathrm{\&beta;}{\tilde{Q}}_D^i+(1-\mathrm{\&beta;}){\hat{Q}}_D^i;$

Wherein, whole day for up station jth website is got on the bus the initial history average of passenger flow, whole day for up station jth website is got on the bus the history average of nearest some days of passenger flow, whole day for descending station i-th website is got on the bus the initial history average of passenger flow, whole day for descending station i-th website is got on the bus the history average of nearest some days of passenger flow, and α, β are the weight coefficient of reflection input data significance level, and meet 0≤α≤1,0≤β≤1.

This method also has the good advantage of dirigibility, can to get off probability, promote statistical indicator accuracy in computation according to practical situation optimization trip.Can in conjunction with the correlated characteristic in calculating period, as period, weather etc., optimize and extract the history with similar situation feature and to get on the bus passenger flow, thus calculate the trip being suitable for different scene flexibly and to get off probability, improve the accuracy of subsequent statistical index.

In described step S4, the passenger flow of getting on the bus of call out the stops based on bus IC card and GPS real time data, real-time statistics current calculating circuit in period website, then get off probability calculation by the current traffic trip amount of website to the website of all downstream stations of getting on the bus by trip:

$q_D^{ij}=Q_D^i{p}_D^{ij}\mathrm{\&gamma;}=\frac{Q_D^i{\stackrel{\&OverBar;}{Q}}_U^j\mathrm{\&gamma;}}{{\&Sigma;}_{i<j^{\&prime;}\&le;n}{\stackrel{\&OverBar;}{Q}}_U^{j^{\&prime;}}};$

$q_U^{ji}=Q_U^j{p}_U^{ji}\mathrm{\&gamma;}=\frac{Q_U^j{\stackrel{\&OverBar;}{Q}}_D^i\mathrm{\&gamma;}}{{\mathrm{\&Sigma;}}_{1\&le;i^{\&prime;}<j}{\stackrel{\&OverBar;}{Q}}_D^{i^{\&prime;}}};$

Wherein, for down direction by the i-th station to jth station real-time website between traffic trip amount, for up direction by station, jth station to the i-th real-time website between traffic trip amount, for down direction i-th website when front upper passenger flow, for up direction jth website when front upper passenger flow, γ is amplification coefficient passenger flow of swiping the card being carried out converting, and meets γ > 1, γ and obtains by the swipe the card amount of money and total fare income of sample survey or analysis.The public transport section volume of the flow of passengers acquisition methods of the present embodiment, has good real-time.To get off probability based on the trip calculating and store, website traffic trip amount can be calculated in real time in conjunction with public transport passenger flow of getting on the bus, and then can the temporal and spatial evolution of the circuit of dynamic reflection in real time passenger flow.Such as, the website traffic trip amount of current morning peak period can be calculated according to real-time IC card and GPS data of calling out the stops, without the need to etc. the volume of the flow of passengers data of whole day to be obtained.

The mode of described step S5 computational scheme section demand is:

$g_D^{ij}=\underset{1\&le;i^{\&prime;}\&le;i,j\&le;j^{\&prime;}\&le;n}{\&Sigma;}{q}_D^{i^{\&prime;}{j}^{\&prime;}};$

$g_U^{ji}=\underset{j\&le;j^{\&prime;}\&le;n,1\&le;i^{\&prime;}\&le;i}{\&Sigma;}{q}_U^{j^{\&prime;}{i}^{\&prime;}};$

Wherein, for in the statistics phase, down direction by the i-th website to the section demand of jth website, for in the statistics phase, up direction is by the section demand of jth website to the i-th website.

In addition, after described step S5, the step of the interval load factor of computational scheme is also comprised:

${\mathrm{\&mu;}}_D^{ij}=\frac{g_D^{ij}}{cN};$

${\mathrm{\&mu;}}_U^{ji}=\frac{g_U^{ji}}{cN};$

Wherein, for in the statistics phase, down direction by the i-th website to the interval load factor of jth website, for in the statistics phase, up direction by the interval load factor of jth website to the i-th website, c be single public transport on average appraise and decide carrying number, N is the order of classes or grades at school sum of dispatching a car of the public bus network in statistics period.

Also comprise from described with in compare the step of maximum interval load factor, if maximum interval load factor is greater than setting threshold value, then set up the local train of this segment, to alleviate the nervous problem by bus in this interval.

Embodiment two, the present embodiment, based on the public transport section volume of the flow of passengers acquisition methods in embodiment one, proposes a kind of public transport section volume of the flow of passengers based on two-way passenger flow of getting on the bus and obtains system, as shown in Figure 4, comprising:

Information acquisition module, comprises IC-card card swiping terminal, GPS calls out the stops terminal and wireless communication module, be respectively used to collection swipe the card passenger flow information, carry out GPS and call out the stops and data radio communication;

Information storage module, to call out the stops data for the IC-card brushing card data and GPS storing information acquisition module transmission, regularly by data conversion storage in real-time data base to historical data base;

Message processing module, for performing following steps:

S1, site information pre-service, by public bus network via two-way each website number respectively, wherein, down direction site number is up direction site number is the span of described i is 1 ~ n, to be that public bus network is unidirectional count via master station described n, described n be greater than 1 integer, the numbering of all websites of described down direction increases progressively according to vehicle heading, and the numbering of all websites of described up direction is successively decreased according to vehicle heading;

S2, passenger flow of getting on the bus to the history of each website are added up respectively, and wherein, the history of down direction i-th website passenger flow of getting on the bus is the history of up direction jth website passenger flow of getting on the bus is

S3, calculate trip to get off probability, described trip probability of getting off refers in the downstream direction, i-th website is got on the bus the probability that passenger flow is got off at the downstream jth website of this travel direction, the get on the bus history of jth website upstream station point set of passenger flow and relative direction of the history equaling the jth website of relative direction is got on the bus the ratio of passenger flow sum, and in the upstream direction, jth website is got on the bus the probability that passenger flow is got off at downstream i-th website of this travel direction, the get on the bus history of the i-th website upstream station point set of passenger flow and relative direction of the history equaling the i-th website of relative direction is got on the bus the ratio of passenger flow sum, wherein, the down direction i-th website probability that passenger flow gets off at jth website of getting on the bus is the up direction jth website probability that passenger flow gets off at the i-th website of getting on the bus is i < j≤n, described up direction and down direction relative direction each other,

The traffic trip amount of S4, the in real time each website of calculating, the traffic trip amount of call out the stops according to bus IC card and GPS information, the real-time website of all directions of calculating up-downgoing in real time;

Information issuing module, for the line section demand information held by PC or mobile terminal interface queries message processing module calculates.

Certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.

Claims (9)

1., based on a public transport section volume of the flow of passengers acquisition methods for two-way passenger flow of getting on the bus, it is characterized in that, comprise the following steps:

(1), site information pre-service, by public bus network via two-way each website number respectively, wherein, down direction site number is up direction site number is the span of described i is 1 ~ n, to be that public bus network is unidirectional count via master station described n, described n be greater than 1 integer, the numbering of all websites of described down direction increases progressively according to vehicle heading, and the numbering of all websites of described up direction is successively decreased according to vehicle heading;

(2) passenger flow of, to the history of each website getting on the bus is added up respectively, and wherein, the history of down direction i-th website passenger flow of getting on the bus is the history of up direction jth website passenger flow of getting on the bus is

(3), calculate trip to get off probability, described trip probability of getting off refers in the downstream direction, i-th website is got on the bus the probability that passenger flow is got off at the downstream jth website of this travel direction, the get on the bus history of jth website upstream station point set of passenger flow and relative direction of the history equaling the jth website of relative direction is got on the bus the ratio of passenger flow sum, and in the upstream direction, jth website is got on the bus the probability that passenger flow is got off at downstream i-th website of this travel direction, the get on the bus history of the i-th website upstream station point set of passenger flow and relative direction of the history equaling the i-th website of relative direction is got on the bus the ratio of passenger flow sum, wherein, the down direction i-th website probability that passenger flow gets off at jth website of getting on the bus is the up direction jth website probability that passenger flow gets off at the i-th website of getting on the bus is i < j≤n, described up direction and down direction relative direction each other,

(4), calculate in real time the traffic trip amount of each website, to call out the stops information according to bus IC card and GPS, calculate the traffic trip amount of the real-time website of up-downgoing all directions in real time;

(5), line section demand information is calculated according to the traffic trip gauge of the real-time website of described up-downgoing all directions.

2. the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus according to claim 1, is characterized in that, in described step (3), the get off computing method of probability of described trip are as follows:

For down direction, the i-th website downstream stations point set be relative direction jth website upstream station point set down direction i-th website to jth website probability of getting off equal the jth website of relative direction the get on the bus history of jth website upstream station point set of passenger flow and relative direction of history to get on the bus the ratio of passenger flow sum,

For up direction, jth website downstream stations point set is relative direction i-th website upstream station point set up direction jth website to the i-th website probability of getting off equal the i-th website of relative direction the get on the bus history of the i-th station, website upstream collection of passenger flow and relative direction of history to get on the bus the ratio of passenger flow sum,

3. the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus according to claim 1 and 2, is characterized in that, in described step (1), also comprises and compares the down direction step whether consistent with the website quantity of up direction:

(11), calculate the website quantity in uplink and downlink direction, and be designated as n1 and n2 respectively, and whether equal both judging, if equal, perform step (2), if unequal, then perform step (12);

(12) all interval computation station spacings, to a fairly large number of circuit of website, find out the interval that station spacing is minimum, and the two ends website in this interval is merged into a website;

(13), be combined the renewal of track site number after website, return step (11).

4. the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus according to claim 1 and 2, is characterized in that, in described step (2), also comprises and to get on the bus the step that passenger flow revises to history:

${\stackrel{\&OverBar;}{Q}}_U^j=\mathrm{\&alpha;}{\tilde{Q}}_U^j+(1-\mathrm{\&alpha;}){\hat{Q}}_U^j;$

${\stackrel{\&OverBar;}{Q}}_D^i=\mathrm{\&beta;}{\tilde{Q}}_D^i+(1-\mathrm{\&beta;}){\hat{Q}}_D^i;$

Wherein, whole day for up station jth website is got on the bus the initial history average of passenger flow, whole day for up station jth website is got on the bus the history average of nearest some days of passenger flow, whole day for descending station i-th website is got on the bus the initial history average of passenger flow, whole day for descending station i-th website is got on the bus the history average of nearest some days of passenger flow, and α, β are the weight coefficient of reflection input data significance level, and meet 0≤α≤1,0≤β≤1.

5. the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus according to claim 4, it is characterized in that, in described step (4), to call out the stops real time data based on bus IC card and GPS, the passenger flow of getting on the bus of real-time statistics current calculating circuit in period website, then get off probability calculation by the current traffic trip amount of website to the website of all downstream stations of getting on the bus by trip:

$q_D^{ij}=Q_D^i{p}_D^{ij}\mathrm{\&gamma;}=\frac{Q_D^i{\stackrel{\&OverBar;}{Q}}_U^j\mathrm{\&gamma;}}{{\&Sigma;}_{i<j^{\&prime;}\&le;n}{\stackrel{\&OverBar;}{Q}}_U^{j^{\&prime;}}};$

$q_U^{ji}=Q_U^j{p}_U^{ji}\mathrm{\&gamma;}=\frac{Q_U^j{\stackrel{\&OverBar;}{Q}}_D^i\mathrm{\&gamma;}}{{\&Sigma;}_{1\&le;i^{\&prime;}<j}{\stackrel{\&OverBar;}{Q}}_D^{i^{\&prime;}}};$

Wherein, for down direction by the i-th station to jth station real-time website between traffic trip amount, for up direction by station, jth station to the i-th real-time website between traffic trip amount, for down direction i-th website when front upper passenger flow, for up direction jth website when front upper passenger flow, γ is amplification coefficient passenger flow of swiping the card being carried out converting, and meets γ > 1.

6. the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus according to claim 5, it is characterized in that, the mode of described step (5) computational scheme section demand is:

$g_D^{ij}=\underset{1\&le;i^{\&prime;}\&le;i,j\&le;j^{\&prime;}\&le;n}{\&Sigma;}{q}_D^{i^{\&prime;}{j}^{\&prime;}};$

$g_U^{ji}=\underset{j\&le;j^{\&prime;}\&le;n,1\&le;i^{\&prime;}\&le;i}{\&Sigma;}{q}_U^{j^{\&prime;}{i}^{\&prime;}};$

Wherein, for in the statistics phase, down direction by the i-th website to the section demand of jth website, for in the statistics phase, up direction is by the section demand of jth website to the i-th website.

7. the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus according to claim 6, is characterized in that, after described step (5), also comprises the step of the interval load factor of computational scheme:

${\mathrm{\&mu;}}_D^{ij}=\frac{g_D^{ij}}{cN};$

${\mathrm{\&mu;}}_U^{ji}=\frac{g_U^{ji}}{cN};$

Wherein, for in the statistics phase, down direction by the i-th website to the interval load factor of jth website, for in the statistics phase, up direction by the interval load factor of jth website to the i-th website, c be single public transport on average appraise and decide carrying number, N is the order of classes or grades at school sum of dispatching a car of the public bus network in statistics period.

8. the public transport section volume of the flow of passengers acquisition methods based on two-way passenger flow of getting on the bus according to claim 7, is characterized in that, also comprise from described with in compare the step of maximum interval load factor, if maximum interval load factor is greater than setting threshold value, then set up the local train of this segment.

9. the public transport section volume of the flow of passengers based on two-way passenger flow of getting on the bus obtains a system, it is characterized in that, comprising:

Information acquisition module, comprises IC-card card swiping terminal, GPS calls out the stops terminal and wireless communication module, be respectively used to collection swipe the card passenger flow information, carry out GPS and call out the stops and data radio communication;

Information storage module, to call out the stops data for the IC-card brushing card data and GPS storing information acquisition module transmission, regularly by data conversion storage in real-time data base to historical data base;

Message processing module, for performing following steps:

(1), site information pre-service, by public bus network via two-way each website number respectively, wherein, down direction site number is up direction site number is the span of described i is 1 ~ n, to be that public bus network is unidirectional count via master station described n, described n be greater than 1 integer, the numbering of all websites of described down direction increases progressively according to vehicle heading, and the numbering of all websites of described up direction is successively decreased according to vehicle heading;

(2) passenger flow of, to the history of each website getting on the bus is added up respectively, and wherein, the history of down direction i-th website passenger flow of getting on the bus is the history of up direction jth website passenger flow of getting on the bus is

(3), calculate trip to get off probability, described trip probability of getting off refers in the downstream direction, i-th website is got on the bus the probability that passenger flow is got off at the downstream jth website of this travel direction, the get on the bus history of jth website upstream station point set of passenger flow and relative direction of the history equaling the jth website of relative direction is got on the bus the ratio of passenger flow sum, and in the upstream direction, jth website is got on the bus the probability that passenger flow is got off at downstream i-th website of this travel direction, the get on the bus history of passenger flow and relative direction i-th website upstream station point set of the history equaling the i-th website of relative direction is got on the bus the ratio of passenger flow sum, wherein, the down direction i-th website probability that passenger flow gets off at jth website of getting on the bus is the up direction jth website probability that passenger flow gets off at the i-th website of getting on the bus is i < j≤n, described up direction and down direction relative direction each other,

(4), calculate in real time the traffic trip amount of each website, to call out the stops information according to bus IC card and GPS, calculate the traffic trip amount of the real-time website of up-downgoing all directions in real time;

Information issuing module, for the line section demand information held by PC or mobile terminal interface queries message processing module calculates.