CN102496277B - Method and device for acquiring road traffic information - Google Patents
Method and device for acquiring road traffic information Download PDFInfo
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- CN102496277B CN102496277B CN201110409942.1A CN201110409942A CN102496277B CN 102496277 B CN102496277 B CN 102496277B CN 201110409942 A CN201110409942 A CN 201110409942A CN 102496277 B CN102496277 B CN 102496277B
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Abstract
The embodiment of the invention discloses a method and device for acquiring road traffic information, and solves the problem of incomprehensive coverage of traffic information when a floating car technology is adopted to provide traffic information. The method comprises the following steps: corresponding a bus route onto an electronic map, and calculating the effective running time between two adjacent stations according to the card swiping time of the all-purpose card; and finally, calculating the road average travel time according to the effective running time and the road sequence length corresponding to the effective running time. The method and the device are applicable to the field of intelligent traffic systems.
Description
Technical field
The present invention relates to intelligent transportation system field, particularly a kind of acquisition methods of Traffic Information and device.
Background technology
Intelligent transportation system (Intelligent Transportation System, be abbreviated as ITS), be by advanced infotech, data communication transmission technology, Electronic transducer technology, electron controls technology and computing machine treatment technology etc. effectively integrated apply to whole ground traffic control system and set up a kind of on a large scale in, comprehensive playing a role, in real time, comprehensive traffic transportation management system accurately and efficiently.
The main target of intelligent transportation realizes whole City Traffic Transport System modernization exactly, and Urban Transportation modernization key link is just to provide real-time dynamic information, serves to alleviate traffic congestion.The Real-time Traffic Information of road has become the important foundation of ITS large-scale application development.Real-time traffic information of road disposal system is by the source of traffic information collecting (is comprised to Floating Car information, road loop data etc.) carry out analyzing and processing, finally with by network WEB distribution platform, public mobile network etc. to the public provide road conditions information, hourage information and the trip help information such as optimum traffic route.
In order to obtain Real-time Traffic Information, conventionally adopt at present Floating Car (Float Car Data) technology, its ultimate principle is: according to the vehicle location of Floating Car periodic logging in its driving process of equipment vehicle-bone global positioning system, direction and velocity information, relevant computation model and the algorithms such as application map match, path culculating are processed, Floating Car position data and urban road are associated on time and space, finally obtain the traffic congestion information such as driving hourage of the Vehicle Speed of road that Floating Car is passed through and road.But current Floating Car be take taxi as main, caused the low problem of Route coverage in suburb and intercity region, cause the coverage rate of the traffic congestion information that provides extensive not.
Summary of the invention
Embodiments of the invention provide a kind of acquisition methods and device of Traffic Information, when having solved employing floating car technology transport information being provided, and the incomplete problem of coverage rate of transport information.
The technical scheme that the embodiment of the present invention adopts is:
An acquisition methods for Traffic Information, comprising:
Set up the corresponding relation of the road in public bus network and electronic chart, described corresponding relation is the position relationship of distance, path, website and road starting point between same public bus network adjacent sites;
Obtain the consumption data of all-purpose card on all bus card-reading machines, described consumption data comprises device address ID, circuit ID, Site ID, time, and described device id is unique ID of machine for punching the card on bus;
The described consumption data that described device id is identical with vehicle ID is divided into one group, and wherein, the described consumption data of same device id put in order by the time;
According to the order of each bus stop, after the described consumption data grouping of identical device ID and same vehicle ID is arranged, time of arrival, the residence time and the time of departure of obtaining each website;
According to working the time of departure of sailing website and the time of arrival that stops website in adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, the Average Travel Speed between adjacent sites calculated.
An acquisition device for Traffic Information, comprising:
Set up unit, for setting up the corresponding relation of the road of public bus network and electronic chart, described corresponding relation is the position relationship of distance, path, website and road starting point between same public bus network adjacent sites;
Acquiring unit, for obtaining the consumption data of all-purpose card on all bus card-reading machines, described consumption data comprises device address ID, circuit ID, Site ID, time, described device id is unique ID of machine for punching the card on bus;
Grouped element, for the described device id described consumption data identical with vehicle ID is divided into one group, wherein, the described consumption data of same device id put in order by the time;
Arrange acquiring unit, for according to the order of each bus stop, by after the described consumption data grouping arrangement of identical device ID and same vehicle ID, time of arrival, the residence time and the time of departure of obtaining each website;
The first computing unit, for work the time of departure of sailing website and the time of arrival that stops website according to adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, calculate the Average Travel Speed between adjacent sites.
The acquisition methods of the Traffic Information that the embodiment of the present invention provides and device, first correspond to public bus network on electronic chart, then according to the card using information of all-purpose card, calculates the valid running time between adjacent sites; Last according to valid running time and the road sequence length corresponding with described valid running time, calculate road average hourage.The embodiment of the present invention has not only improved for the accuracy rate of calculating transport information, and when having solved prior art and obtaining transport information by Floating Car, the incomplete problem of coverage rate of transport information.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The acquisition methods process flow diagram of the Traffic Information that Fig. 1 provides for the embodiment of the present invention one;
The acquisition device structural representation of the Traffic Information that Fig. 2 provides for the embodiment of the present invention one;
The acquisition methods process flow diagram of the Traffic Information that Fig. 3 provides for the embodiment of the present invention two;
The acquisition device structural representation of the Traffic Information that Fig. 4 provides for the embodiment of the present invention two;
Fig. 5 is the corresponding relation of a public bus network and road in electronic map.
Embodiment
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 clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
For making the advantage of technical solution of the present invention clearer, below in conjunction with drawings and Examples, the present invention is elaborated.
Embodiment mono-
The present embodiment provides a kind of acquisition methods of Traffic Information, and as shown in Figure 1, described method comprises:
101, set up the corresponding relation of the road in public bus network and electronic chart.
Wherein, described corresponding relation is the position relationship of distance, path, website and road starting point between same public bus network adjacent sites.
102, obtain the consumption data of all-purpose card on all bus card-reading machines.
Wherein, described consumption data comprises device address ID, circuit ID, Site ID, time, and described device id is unique ID of machine for punching the card on bus.
103, the described device id described consumption data identical with vehicle ID is divided into one group.
Wherein, the described consumption data of same device id put in order by the time, in consumption data, before charge time, preceding consumption data was arranged in.
104, according to the order of each bus stop, after the described consumption data grouping of identical device ID and same vehicle ID is arranged, time of arrival, the residence time and the time of departure of obtaining each website.
Wherein, be the minimum time of the corresponding all consumption datas of website the time of arrival of described each website, be the maximum time of all consumption datas that website is corresponding the time of departure of described each website, according to formula wT=dT-aT, calculate the residence time of each website, wherein, wT is the residence time of each website, the time of arrival that aT is each website, the time of departure that dT is each website.
105, according to working the time of departure of sailing website and the time of arrival that stops website in adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, the Average Travel Speed between adjacent sites calculated.
The present embodiment provides a kind of acquisition device of Traffic Information, and as shown in Figure 2, described device comprises: set up unit 21, acquiring unit 22, grouped element 23, arrange acquiring unit 24, the first computing unit 25.
Set up unit 21, for setting up the corresponding relation of the road of public bus network and electronic chart.
Wherein, described corresponding relation is the position relationship of distance, path, website and road starting point between same public bus network adjacent sites.
Acquiring unit 22, for obtaining the consumption data of all-purpose card on all bus card-reading machines.
Wherein, described consumption data comprises device address ID, circuit ID, Site ID, time, and described device id is unique ID of machine for punching the card on bus.
Grouped element 23, for being divided into one group by the described device id described consumption data identical with vehicle ID.
Wherein, the described consumption data of same device id put in order by the time, in consumption data, before charge time, preceding consumption data was arranged in.
Arrange acquiring unit 24, for according to the order of each bus stop, by after the described consumption data grouping arrangement of identical device ID and same vehicle ID, time of arrival, the residence time and the time of departure of obtaining each website.
Wherein, be the minimum time of the corresponding all consumption datas of website the time of arrival of described each website, be the maximum time of all consumption datas that website is corresponding the time of departure of described each website, according to formula wT=dT-aT, calculate the residence time of each website, wherein, wT is the residence time of each website, the time of arrival that aT is each website, the time of departure that dT is each website.
The first computing unit 25, for work the time of departure of sailing website and the time of arrival that stops website according to adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, calculate the Average Travel Speed between adjacent sites.
The acquisition methods of the Traffic Information that the embodiment of the present invention provides and device, first correspond to public bus network on electronic chart, then according to the card using information of all-purpose card, calculates the valid running time between adjacent sites; Last according to valid running time and the road sequence length corresponding with described valid running time, calculate road average hourage.The embodiment of the present invention has not only improved for the accuracy rate of calculating transport information, and when having solved prior art and obtaining transport information by Floating Car, the incomplete problem of coverage rate of transport information.
Embodiment bis-
The present embodiment provides a kind of acquisition methods of Traffic Information, and as shown in Figure 3, described method comprises:
301, obtain public bus network data.
Wherein, the circuit table that described public bus network data are all public bus networks, website table and equipment list, described circuit table comprises circuit ID, line name, website sum, Site ID list, circuit shape, described website table comprises Site ID, site name, website coordinate, and described equipment list comprises device id, circuit ID.
302, the position of the circuit shape of every public bus network in described public bus network data and all websites that described public bus network comprises is corresponded on electronic chart.
As shown in Figure 5, for example, the corresponding road sequence of circuit L1 r1, r2, r3, r4, r5, r6, r7, r8, the corresponding road sequence of website S1 r1, the corresponding road sequence of website S2 r3, the corresponding road sequence of website S3 r6, the corresponding road sequence of website S4 r8.
303,, according to the road sequence of adjacent sites correspondence on described electronic chart, calculate the length of road sequence between described adjacent sites.
Wherein, the road sequence length at website place is that the subpoint of website in road sequence is to the length of next road sequence.
For example, as shown in Figure 5.Road sequence length between website S1 and S2 is 650 (100+50+500) rice, road sequence length between website S2 and S3 is 750 (100+50+500+100) rice, and the road sequence length between website S3 and S4 is 1050 (600+50+400) rice.
304, obtain the consumption data of all-purpose card on all bus card-reading machines.
Wherein, described consumption data comprises device address ID, circuit ID, Site ID, time, and described device id is unique ID of machine for punching the card on bus.
305, the described device id described consumption data identical with vehicle ID is divided into one group.
Wherein, the described consumption data of same device id put in order by the time, in consumption data, before charge time, preceding consumption data was arranged in.
306, according to the order of each bus stop, after the described consumption data grouping of identical device ID and same vehicle ID is arranged, time of arrival, the residence time and the time of departure of obtaining each website.
Wherein, be the minimum time of the corresponding all consumption datas of website the time of arrival of described each website, be the maximum time of all consumption datas that website is corresponding the time of departure of described each website, according to formula wT=dT-aT, calculate the residence time of each website, wherein, wT is the residence time of each website, the time of arrival that aT is each website, the time of departure that dT is each website.
307, according to formula v=L/T, calculate the Average Travel Speed between described adjacent sites.
Wherein, v is the Average Travel Speed between adjacent sites, L is the road sequence total length that adjacent sites key is corresponding, T is the running time between revised adjacent sites, T=t-Δ t, t is the running time between adjacent sites before revising, and Δ t is the enter the station time loss difference of moderating process and bus departures accelerator and normal driving of bus.
308, when at least two public bus networks of same road sequence correspondence, all public bus networks, after the Average Travel Speed of same link sequence merges, are obtained to the Average Travel Speed after described fusion.
The present embodiment provides a kind of acquisition device of Traffic Information, and as shown in Figure 4, described device comprises: set up unit 41, acquiring unit 42, grouped element 43, arrange acquiring unit 44, the first computing unit 45, the second computing unit 46.
Set up unit 41, for setting up the corresponding relation of the road of public bus network and electronic chart.
The described unit 41 of setting up comprises: acquisition module 47, processing module 48, the first computing module 49.
Wherein, the circuit table that described public bus network data are all public bus networks, website table and equipment list, described circuit table comprises circuit ID, line name, website sum, Site ID list, circuit shape, described website table comprises Site ID, site name, website coordinate, and described equipment list comprises device id, circuit ID.
As shown in Figure 5, for example, the corresponding road sequence of circuit L1 r1, r2, r3, r4, r5, r6, r7, r8, the corresponding road sequence of website S1 r1, the corresponding road sequence of website S2 r3, the corresponding road sequence of website S3 r6, the corresponding road sequence of website S4 r8.
The first computing module 49, for according to the road sequence of adjacent sites correspondence on described electronic chart, calculates the length of road sequence between described adjacent sites.
Wherein, the road sequence length at website place is that the subpoint of website in road sequence is to the length of next road sequence.
For example, as shown in Figure 5.Road sequence length between website S1 and S2 is 650 (100+50+500) rice, road sequence length between website S2 and S3 is 750 (100+50+500+100) rice, and the road sequence length between website S3 and S4 is 1050 (600+50+400) rice.
Acquiring unit 42, for obtaining the consumption data of all-purpose card on all bus card-reading machines.
Wherein, described consumption data comprises device address ID, circuit ID, Site ID, time, and described device id is unique ID of machine for punching the card on bus.
Grouped element 43, for being divided into one group by the described device id described consumption data identical with vehicle ID.
Wherein, the described consumption data of same device id put in order by the time, in consumption data, before charge time, preceding consumption data was arranged in.
Arrange acquiring unit 44, for according to the order of each bus stop, by after the described consumption data grouping arrangement of identical device ID and same vehicle ID, time of arrival, the residence time and the time of departure of obtaining each website.
Wherein, be the minimum time of the corresponding all consumption datas of website the time of arrival of described each website, be the maximum time of all consumption datas that website is corresponding the time of departure of described each website, according to formula wT=dT-aT, calculate the residence time of each website, wherein, wT is the residence time of each website, the time of arrival that aT is each website, the time of departure that dT is each website.
The first computing unit 45, for work the time of departure of sailing website and the time of arrival that stops website according to adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, calculate the Average Travel Speed between adjacent sites.
Described the first computing unit 45 comprises: the second computing module 410, processing acquisition module 411.
The second computing module 410, for calculating the Average Travel Speed between described adjacent sites according to formula v=L/T.
Wherein, v is the Average Travel Speed between adjacent sites, L is the road sequence total length that adjacent sites key is corresponding, T is the running time between revised adjacent sites, T=t-Δ t, t is the running time between adjacent sites before revising, and Δ t is the enter the station time loss difference of moderating process and bus departures accelerator and normal driving of bus.
The second computing unit 46, for calculating the residence time of each website according to formula wT=dT-aT.
The acquisition methods of the Traffic Information that the embodiment of the present invention provides and device, first correspond to public bus network on electronic chart, then according to the card using information of all-purpose card, calculates the valid running time between adjacent sites; Last according to valid running time and the road sequence length corresponding with described valid running time, calculate road average hourage.The embodiment of the present invention has not only improved for the accuracy rate of calculating transport information, and when having solved prior art and obtaining transport information by Floating Car, the incomplete problem of coverage rate of transport information.
The above-mentioned embodiment of the method providing can be provided the acquisition device of the Traffic Information that the embodiment of the present invention provides, and concrete function is realized and referred to the explanation in embodiment of the method, does not repeat them here.The acquisition methods of the Traffic Information that the embodiment of the present invention provides and device go for intelligent transportation system field, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, to come the hardware that instruction is relevant to complete by computer program, described program can be stored in a computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (8)
1. an acquisition methods for Traffic Information, is characterized in that, comprising:
Set up the corresponding relation of the road in public bus network and electronic chart, described corresponding relation is the position relationship of distance, path, website and road starting point between same public bus network adjacent sites;
The described step of setting up the corresponding relation of the road in public bus network and electronic chart comprises:
Obtain public bus network data, the circuit table that described public bus network data are all public bus networks, website table and equipment list, described circuit table comprises circuit ID, line name, website sum, Site ID list, circuit shape, described website table comprises Site ID, site name, website coordinate, and described equipment list comprises device id, circuit ID;
The position of the circuit shape of every public bus network in described public bus network data and all websites that described public bus network comprises is corresponded on electronic chart;
According to the road sequence of adjacent sites correspondence on described electronic chart, calculate the length of road sequence between described adjacent sites;
Obtain the consumption data of all-purpose card on all bus card-reading machines, described consumption data comprises device id, circuit ID, Site ID, time, and described device id is unique ID of machine for punching the card on bus;
The described consumption data that described device id is identical with vehicle ID is divided into one group, and wherein, the described consumption data of same device id put in order by the time;
According to the order of each bus stop, after the described consumption data grouping of identical device ID and same vehicle ID is arranged, time of arrival, the residence time and the time of departure of obtaining each website;
According to working the time of departure of sailing website and the time of arrival that stops website in adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, the Average Travel Speed between adjacent sites calculated.
2. the acquisition methods of Traffic Information according to claim 1, is characterized in that, be the minimum time of the corresponding all consumption datas of website the time of arrival of described each website;
Be the maximum time of all consumption datas that website is corresponding the time of departure of described each website.
3. the acquisition methods of Traffic Information according to claim 1, is characterized in that, also comprises:
The residence time of calculating each website according to formula wT=dT – aT, wherein, the residence time that wT is each website, the time of arrival that aT is each website, the time of departure that dT is each website.
4. the acquisition methods of Traffic Information according to claim 1, it is characterized in that, described according to working the time of departure of sailing website and the time of arrival that stops website in adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, the Average Travel Speed calculating between adjacent sites comprises:
According to formula v=L/T, calculate the Average Travel Speed between described adjacent sites, wherein v is the Average Travel Speed between adjacent sites, L is road sequence total length corresponding between adjacent sites, T is the running time between revised adjacent sites, T=t-Δ t, t is the running time between adjacent sites before revising, and Δ t is the enter the station time loss difference of moderating process and bus departures accelerator and normal driving of bus.
5. the acquisition methods of Traffic Information according to claim 4, is characterized in that, also comprises:
When at least two public bus networks of same road sequence correspondence, all public bus networks, after the Average Travel Speed of same link sequence merges, are obtained to the Average Travel Speed after described fusion.
6. an acquisition device for Traffic Information, is characterized in that, comprising:
Set up unit, for setting up the corresponding relation of the road of public bus network and electronic chart, described corresponding relation is the position relationship of distance, path, website and road starting point between same public bus network adjacent sites;
The described unit of setting up comprises:
Acquisition module, be used for obtaining public bus network data, the circuit table that described public bus network data are all public bus networks, website table and equipment list, described circuit table comprises circuit ID, line name, website sum, Site ID list, circuit shape, described website table comprises Site ID, site name, website coordinate, and described equipment list comprises device id, circuit ID;
Processing module, corresponds to electronic chart for the position of all websites that the circuit shape of every public bus network of described public bus network data and described public bus network are comprised;
The first computing module, for according to the road sequence of adjacent sites correspondence on described electronic chart, calculates the length of road sequence between described adjacent sites;
Acquiring unit, for obtaining the consumption data of all-purpose card on all bus card-reading machines, described consumption data comprises device id, circuit ID, Site ID, time, described device id is unique ID of machine for punching the card on bus;
Grouped element, for the described device id described consumption data identical with vehicle ID is divided into one group, wherein, the described consumption data of same device id put in order by the time;
Arrange acquiring unit, for according to the order of each bus stop, by after the described consumption data grouping arrangement of identical device ID and same vehicle ID, time of arrival, the residence time and the time of departure of obtaining each website;
The first computing unit, for work the time of departure of sailing website and the time of arrival that stops website according to adjacent sites, and the road total length corresponding according to adjacent sites in described corresponding relation, calculate the Average Travel Speed between adjacent sites.
7. the acquisition device of Traffic Information according to claim 6, is characterized in that, also comprises:
The second computing unit, for the residence time of calculating each website according to formula wT=dT – aT, wherein, the residence time that wT is each website, the time of arrival that aT is each website, the time of departure that dT is each website.
8. the acquisition device of Traffic Information according to claim 6, is characterized in that, described the first computing unit comprises:
The second computing module, for calculating the Average Travel Speed between described adjacent sites according to formula v=L/T, wherein v is the Average Travel Speed between adjacent sites, L is road sequence total length corresponding between adjacent sites, T is the running time between revised adjacent sites, T=t-Δ t, t is the running time between adjacent sites before revising, Δ t is the enter the station time loss difference of moderating process and bus departures accelerator and normal driving of bus;
Process acquisition module, for when at least two public bus networks of same road sequence correspondence, all public bus networks, after the Average Travel Speed of same link sequence merges, are obtained to the Average Travel Speed after described fusion.
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| CN104766473B (en) * | 2015-02-09 | 2019-10-18 | 北京工业大学 | Transit trip feature extracting method based on multi-mode public transport Data Matching |
| CN107798865B (en) * | 2016-09-07 | 2020-11-03 | 阿里巴巴（中国）有限公司 | Bus route running time estimation method and device |
| CN107103756A (en) * | 2017-06-19 | 2017-08-29 | 南京理工大学 | Congestion in road degree judgment means and method based on the public transport operation time |
| CN108922187B (en) * | 2018-07-20 | 2021-09-07 | 上海久揽视讯科技有限公司 | Intelligent transportation system |
| CN111667689B (en) * | 2020-05-06 | 2022-06-03 | 浙江师范大学 | Method, device and computer device for predicting vehicle travel time |
| CN111932926B (en) * | 2020-09-22 | 2021-02-02 | 深圳市都市交通规划设计研究院有限公司 | Method and system for calculating station stop time |
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| US8612136B2 (en) * | 2008-08-27 | 2013-12-17 | Waze Mobile Ltd. | System and method for road map creation |
| WO2011072753A1 (en) * | 2009-12-18 | 2011-06-23 | Tomtom International B.V. | Traffic analysis based on historical global positioning system data |
| CN101794516B (en) * | 2009-12-25 | 2011-11-23 | 北京工业大学 | Mobile phone information based section speed calculation method |
| CN102097004B (en) * | 2011-01-31 | 2013-02-20 | 上海美慧软件有限公司 | Mobile phone positioning data-based traveling origin-destination (OD) matrix acquisition method |
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