KR101740471B1 - Method for generating traffic information using bus management system - Google Patents
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- KR101740471B1 KR101740471B1 KR1020150189273A KR20150189273A KR101740471B1 KR 101740471 B1 KR101740471 B1 KR 101740471B1 KR 1020150189273 A KR1020150189273 A KR 1020150189273A KR 20150189273 A KR20150189273 A KR 20150189273A KR 101740471 B1 KR101740471 B1 KR 101740471B1
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- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
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Abstract
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computing technology, and more particularly, to a technique for generating various traffic information based on bus operation information provided by a bus operation management system.
Each bus is provided with a boarding and landing terminal (hereinafter referred to as a terminal) for recognizing a traffic card and providing a passenger with a boarding process. The terminal records the boarding time and transfer information, and the terminal can form a part of a bus management system (BMS). The bus operation management system (BMS) can provide the position coordinates (x, y) of the bus at the current time (t) on the bus in operation, but will not provide information on the location of the bus stop .
Road information is displayed on a traffic map, and each point on each road can correspond to a position coordinate (x, y). Generally, the traffic map does not show where each bus stop is located. Therefore, there is a problem that the bus route can not be accurately drawn including the bus stop on the traffic map.
On the other hand, various methods for understanding bus traffic demand for each link of the road have been proposed. For example, a method of grasping the bus traffic demand for each road link near the base station by grasping the number of people connected to the base station of the city center has been proposed. However, However, this is not an estimate, so there is a problem that the reliability is low. If it is possible to accurately measure bus traffic demand for each road link on the ground, it can be usefully used, for example, in establishing a new urban railway route plan. Therefore, there is a demand for a technology that accurately provides traffic demand for each link of the road.
In addition, there is a need for D2D (door to door) route guidance through transit between buses, city railways, and trains in public transportation. Up to now, there has been a definite provision of timetables for city rail and train routes Only a navigation system considering only the navigation system is provided. Therefore, it is required to introduce a route guidance method considering the time table of the bus route.
As a prior art related to the present invention, there is JP-A 2006-004270.
In the present invention, a bus stop is displayed on a traffic map using a bus operation management system of a terminal, and a bus operation route is accurately displayed and provided.
In addition, we want to provide a technique for calculating bus traffic demand for each link on the road.
It also provides a technique for providing timetables for each bus route.
According to an aspect of the present invention, it is possible to provide a method of determining a position of a bus stop to map a position of a bus stop where a bus stops on a traffic map that does not include information on bus stop in a server. At this time, the method for determining the position of the bus stop may include: a candidate determination step of determining candidate coordinates that are candidates of bus stop coordinates at which the bus stops, from the global position information of the bus collected while the bus is running; A calibration step of calibrating the candidate coordinates so as to have a definite coordinate value that is a coordinate located on an adjacent road that is the road closest to the candidate coordinates among a plurality of roads included in the traffic map including the district location information, And a determining step of determining that the point indicated by the determined coordinate value in the map is the position of the bus stop at which the bus stops.
In this case, the geographical position information of the bus includes a plurality of position data including information of a format (latitude and longitude) collected at a predetermined time interval, And determining the candidate coordinates using representative coordinate values of an area having a density equal to or greater than a predetermined level, wherein the candidate coordinates include a roadside image corresponding to a direction of movement of the bus among the two road sides existing on the adjacent road As shown in FIG.
The plurality of roads may include a plurality of nodes representing an intersection area and a plurality of links representing an area connecting the plurality of nodes, and the first one of the plurality of links, Acquiring the number of the passengers on board the buses collected by the plurality of buses stationed at the respective bus stops on the first road with respect to each of the bus stops located on the first road, And generating information on the public transportation demand for the first road based on the public transportation demand information.
At this time, the number of the passengers on board the buses collected by the plurality of buses is determined by the number of the passengers' boarding and collecting information collected by the boarding and landing terminals installed on the respective buses, And the geographical location information of each bus collected by the geolocation information collecting device.
The step of generating the information on the public transportation demand includes the steps of extracting only the number of passengers collected during a specific time period from the number of the obtained passengers on board the passenger and obtaining the number of passengers, The method further includes generating information on public transport demand for the first road during the first time period.
The plurality of roads may include a plurality of nodes representing an intersection area and a plurality of links representing an area connecting the plurality of nodes, Acquiring the number of the passengers who are getting on and off each bus stop collected by the first bus that stops at each bus stop on the first road with respect to each of the bus stops located on the first road, And determining based on the information about the demand of the first bus for the first road.
A method for displaying a bus route according to an aspect of the present invention includes a bus stop coordinate determination step of determining a plurality of bus stop coordinates that the bus stops from the global position information of the bus collected during bus operation, Connecting the bus stop coordinates between the roads included in the traffic map including the earth position information and displaying the bus route on the traffic map, 1) a candidate decision step of determining, from the geolocation information of the bus, candidate coordinates which are candidates of bus stop coordinates at which the bus stops; and (2) Which is a road closest to the candidate coordinates among the plurality of candidate coordinates, It may include a correction determining step.
In this case, the geographical position information of the bus includes a plurality of position data including information of a format (latitude and longitude) collected at a predetermined time interval, And determining the candidate coordinates using representative coordinate values of an area having a density equal to or greater than a predetermined level, wherein the candidate coordinates include a roadside image corresponding to a direction of movement of the bus among the two road sides existing on the adjacent road As shown in FIG.
According to an aspect of the present invention there is provided a system and method for generating public transport demand information for a road system comprising a plurality of nodes representing an intersection area and a plurality of links representing an area connecting the plurality of nodes, An investigation method can be provided. At this time, for each of the bus stops located on the first road indicated by the first link among the plurality of links, a plurality of buses stopped at each bus stop on the first road collect A step of acquiring the number of passengers getting on and off, and a step of generating information on public transportation demand for the first road based on a sum of the total number of passengers getting in and out of each bus stop collected by the plurality of buses . ≪ / RTI >
At this time, to determine the positions of all the bus stops located on the first road, candidate coordinates which are candidates of the bus stop coordinates on which the bus is stopped are determined from the earth position information of the bus collected while the bus is running The candidate coordinates being a coordinate located on an adjacent road that is a road closest to the candidate coordinates among a plurality of roads included in the traffic map including the first road, And a determining step of determining a point indicated by the determined coordinate value in the traffic map as a position of the bus stop at which the bus stops.
The number of passengers on board the buses collected by the plurality of buses may be determined based on the information of the passengers getting on and off the passengers collected by the passenger terminal installed on each of the buses, And the geographical location information of each bus collected by the geolocation information collecting device.
The step of generating the information on the public transportation demand may include the steps of extracting only the number of passengers collected during a specific time period from the number of the passengers getting on and off, And generating information on public transport demand for the first road during the interim period.
According to the present invention, a bus route can be provided on a traffic map using information provided by a bus management management system (BMS) and a traffic map.
Also, the congestion degree of each link of the road can be calculated by using the bus management management system (BMS).
Also, it is possible to generate and provide the linkage information with different transportation means in real time using the information provided by the bus management management system (BMS).
1 is an example of information provided by a bus management management system (BMS), in which [t, x, y] information collected from a geolocation information collecting device installed on a bus running on a specific bus route is represented as a point on a map .
2 shows a bus route diagram generated using a shape file used in an embodiment of the present invention.
FIG. 3 is a bus line diagram illustrating a bus stop according to an embodiment of the present invention.
FIG. 4 illustrates a traffic map according to an embodiment.
FIG. 5 illustrates a traffic map generated according to an embodiment of the present invention, showing a bus stop.
Fig. 6 shows mapping of the bus route map shown in Fig. 3 to the traffic map of Fig. 5 with reference to the bus stop shown in Fig. 5, according to an embodiment of the present invention.
FIG. 7 illustrates an example of a bus route and a bus route map for each bus route in order to explain a congestion calculation method according to an embodiment of the present invention.
FIG. 8 is a table showing the number of passengers getting in and out of each terminal according to each bus route in order to calculate traffic demand for each link according to an embodiment of the present invention.
FIG. 9 is a view showing operation timetables and connection diagrams for traffic information linkage according to an embodiment of the present invention.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein, but may be implemented in various other forms. The terminology used herein is for the purpose of understanding the embodiments and is not intended to limit the scope of the present invention. Also, the singular forms as used below include plural forms unless the phrases expressly have the opposite meaning.
<Technology to display bus stop and bus route on traffic map>
1 is an example of information provided by a bus management management system (BMS), in which [t, x, y] information collected from a geolocation information collecting device installed on a bus running on a specific bus route is represented as a point on a map . Here, x and y represent latitude and longitude, respectively, and t represents time at which x and y are collected.
The specific bus route should be connected along the road on the map shown in FIG. 1, but since there is an error in the information collected from the earth position information collecting device, the points shown in FIG. 1 have arbitrary distances around the road, . Using the human intuitive cognitive abilities, it is possible to deduce from which points the specific bus routes are defined along the road from the scattered points shown in FIG. 1, but in the case of using a computer, a well-defined algorithm should be inferred .
2 shows a bus route diagram created using a shape file used in an embodiment of the present invention.
2 (a) is a bus route map according to a shape file using the [t, x, y] information set provided by the bus management system (BMS) of the bus route A1, b may be, for example, a bus route map according to a shape file using [t, x, y] information provided by a bus management system (BMS) of another bus route R1. T represents the time, and x and y represent the position coordinates as the earth position information. That is, the shape files consist of the coordinate information [x, y] of the bus position with respect to specific times t.
The shape file may be formed of a set of points on the map which are made up of position coordinates collected over time, as in the example shown in Fig. The collected position coordinates are collected using a GPS device, and there may be an error of several meters, and the occurrence value of the error may have a random value by time. Therefore, the first bus route map that can be shown using the shape file can be made up of a set of points. If we connect these sets of points along time, we can reconstruct them with irregular shapes. By smoothing the reconstructed line, the bus route diagram shown in FIG. 1 can be ideally derived. In the smoothing process, information about roads adjacent to the respective points may be used. That is, the bus route map shown in FIG. 1 can be arranged on the map road through the smoothing process.
In FIG. 2, the bus route map is shown in the form of a conceptual straight line, but this is not provided from the beginning and may actually consist of a set of a plurality of points. At this time, it is possible to draw a line by connecting a set of the plurality of points, but the line may be drawn rugely due to GPS error. The plurality of points may each have [t, x, y] information.
At this time, in FIG. 2, the bus lines are indicated by lines opposite to each other. This is because it is possible to know the traveling direction of the bus route map by using the t information.
FIG. 3 is a bus line diagram illustrating a bus stop according to an embodiment of the present invention.
If the bus finds a case where it stops at a certain point for a considerably long time, the stop point may be regarded as corresponding to the earth position coordinate of the bus stop. Since the plurality of points are generated according to the movement time and the movement route of the bus, the plurality of points may be located at a certain point or may be spaced apart from each other. At this time, a point where the plurality of points are concentrated at a certain point may be a position of a bus stop. The bus stops 11 to 16 can be displayed along one direction of the
At this time, the case where the plurality of points are concentrated at a certain point may correspond to a case where the traffic signal stops outside the bus stop. In other words, if it is stopped at an intersection signal light or a simple pedestrian crossing, it may be excluded from the bus stop candidate. At this time, the fact that the predetermined point is not a bus stop when the plurality of points are concentrated on a certain point can be confirmed through a bus operation pattern. That is, the bus stop is always stopped at a specific bus every time the bus goes to and from the bus line, but it is not always stopped at the traffic lights, so it can be judged that the bus is not a bus stop.
FIG. 4 illustrates a traffic map according to an embodiment.
The general traffic map shows road information showing the shape of the road, and each point can correspond to [x, y] position coordinates. At this time, the location of the bus stop may not be indicated in the general traffic map.
In FIG. 4, the nodes N, N1 to N6 denote the intersection points between the roads, and the links L and L01 to L69 denote the road segments connecting the intersection points.
FIG. 5 illustrates a traffic map generated according to an embodiment of the present invention, showing a bus stop.
3, the coordinate information [x, y] is respectively matched to the bus stops generated by using the shape file described above. When the matched [x, y] coordinates are loaded on the traffic map shown in Fig. 3 5 can be generated.
However, as shown in FIG. 5, an accurate traffic map is not generated immediately, and there may be an error in reality. This is because the determined bus stop [x, y] coordinates are not accurate because the shape file is generated using the GPS information in which the error exists. That is, although the bus stop is exactly matched to the road side of the link L in Fig. 5, this is not possible from the beginning.
When the road side of each road is regarded as a reference line, the bus stop coordinate information [x, y] generated using the shape file can be mapped so that its position is slightly shifted with respect to the reference line. For example, bus stops 11 and 26 may be respectively located on both roads of the link L13. At this time, the coordinate information of the bus stops 11 and 26 determined using the shape file may not be mapped to actual road sides, but may be located at a point slightly off the road due to GPS error. Therefore, the coordinate information of the bus stop determined by using the shape file can be corrected to the position corresponding to the closest road side from this. This makes it possible to accurately correct the coordinate information of each
Fig. 6 shows mapping of the bus route map shown in Fig. 3 to the traffic map of Fig. 5 with reference to the bus stop shown in Fig. 5, according to an embodiment of the present invention. The bus route map shown in FIG. 3 may be uneven, and if it is forcibly dragged and corrected to a line indicated by each link of the traffic map in FIG. 5, a neat and accurate bus route map can be obtained as shown in FIG.
This series of methods can provide a map of the bus stop and a map showing the bus route.
<How to calculate bus traffic demand for each link on the road>
Each of the buses is provided with a boarding and landing terminal for recognizing the traffic card and storing the riding tag and the landing tag information separately. In addition, the landing / landing terminal is configured to store GPS coordinates at a specific point in time. The bus traffic demand for each link of the road can be calculated using the information provided by the boarding and landing terminal and the information about the traffic map in which the bus stop is arranged. Bus traffic demand is a representative example of public transport demand along with the demand for urban railway. Thus, if there is no metro line on a specific link on the road, the public transport demand on this link may be represented by the bus traffic demand on that link.
FIG. 7 illustrates an example of a bus route and a bus route map for each bus route in order to explain a congestion calculation method according to an embodiment of the present invention.
The A1 bus (e.g., A1 may be the same as branch bus 3012) may be configured to run through links L13, L34, L46 connecting the intersection N1 (i.e., node N1) and the intersection N6. Further, the R1 bus (e.g., R1 may be the same as the trunk bus 461) may be configured to run through the links (L03, L34, L48). At this time, the
FIG. 8 is a table showing the number of passengers getting in and out of each terminal according to each bus route in order to calculate traffic demand for each link according to an embodiment of the present invention.
8 (a) shows the number of boarding passengers measured at the bus stops 13, 14 of the A1 bus route from 13:00 to 14:00, and FIG. 8 (b) 8 shows the number of
The bus traffic demand in the specific link of the traffic map as shown in FIG. 7 can be measured through the collection of the information described in FIG. That is, it is possible to measure the number of persons getting on and off at the positions corresponding to the
Referring to FIG. 8 (a), it can be seen that there are 10 passengers riding through the boarding and landing terminal of the A1 bus route at the
Referring to FIG. 8 (b), it can be seen that the number of passengers riding in the
8 (c), it can be seen that the number of passengers is 16 and the number of passengers is 13 at the
In this way, the bus traffic demand for each link can be calculated by knowing the number of passengers on board the bus stop at each link on the road. Bus traffic demand for each link calculated can be used in various places. For example, if you want to add a new station among the lines of a train, you can add a new station to a lot of people, that is, a lot of floating population. The bus traffic demand calculation method can be used to find such points.
In the embodiment of the present invention, the case where two
<Method of generating linkage information with other transportation means by providing bus timetable>
FIG. 9 is a view showing operation timetables and connection diagrams for traffic information linkage according to an embodiment of the present invention.
In FIG. 9, BS1 denotes a bus route in the first area, and BS11, BS12, and BS13 may denote bus stops of the bus route BS1. Table 110 shows an example of the operating timetable of each of the
TS means an urban railway line (or train line), and TS1, TS2, and TS3 can mean a specific station. Table 120 shows an example of the operating timetable of each
BS2 denotes a bus route in the second area, and BS21, BS22, and BS23 may denote a specific bus stop. Table 130 shows an example of the operating timetable of each of the
Each of the bus timetables may be generated using a representative value generated using information provided by the bus management system (BMS).
As one example of the public transportation linkage information generation method, as a recommended route of a route that a user near the bus stop BS11 (that is, a person using the linkage information) moves to a destination near the bus stop BS23, The same path can be generated.
- Departure: Take
- Get off at the 1st stop: 15 minutes walk after getting off at 12:20 pm at the BS13 bus stop
- 1st transfer: 351 train from TS1 station, 12:45 pm
- Get off at the 2nd stop: TS3 stop at 14:45 pm and walk 5 minutes
- 2nd transfer: Take
- Arrival: get off at BS23 bus stop at 15:05 pm
The generated linkage information may be provided on a traffic map by displaying a bus stop, a subway station, and a mobile route linking from the start point to the arrival point.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the essential characteristics thereof. The contents of each claim in the claims may be combined with other claims without departing from the scope of the claims.
Claims (12)
A candidate determining step of determining candidate coordinates that are candidates of bus stop coordinates at which the bus stops, from the geolocation information of the bus collected while the bus is running; And
A calibration step of correcting the candidate coordinates so that the candidate coordinates have a definite coordinate value that is a coordinate located on an adjacent road that is the road closest to the candidate coordinates among a plurality of roads included in the traffic map including the earth position information,
/ RTI >
Wherein the candidate coordinates are corrected so as to have a coordinate value located on a road side corresponding to a moving direction of the bus among two road sides present on the adjacent road,
How to determine bus stop coordinates.
The geolocation information of the bus includes a plurality of position data including information of a [latitude, longitude] type as values collected at regular time intervals,
Wherein the candidate determining step includes determining the candidate coordinates using representative coordinate values of an area having a spatial density of the plurality of position data equal to or higher than a predetermined level.
How to determine bus stop coordinates.
Wherein the plurality of roads comprises a plurality of nodes representing an intersection area and a plurality of links representing an area connecting the plurality of nodes,
For each of the bus stops located on the first road indicated by the first one of the plurality of links,
Obtaining the number of passengers on board the buses collected by the plurality of buses stationed at each bus stop on the first road; And
Generating information on public transportation demand for the first road based on the number of the passengers getting on and off;
≪ / RTI >
How to determine bus stop coordinates.
Wherein the number of passengers on board the buses collected by the plurality of buses is determined by the number of the passengers' boarding and getting information collected by the boarding and landing terminals installed in each of the buses, Wherein the information is generated based on geolocation information of each of the buses collected by the information collecting device.
How to determine bus stop coordinates.
Wherein the step of generating information on the public transport demand comprises:
Extracting only the number of passengers collected during a specific time period among the number of the passengers getting on and off the vehicle; And
Generating information on public transport demand for the first road during the specific time period based on the number of extracted passengers
≪ / RTI >
How to determine bus stop coordinates.
Wherein the plurality of roads includes a plurality of nodes representing an intersection area and a plurality of links representing an area connecting the plurality of nodes,
For each of the bus stops located on the first road indicated by the first one of the plurality of links,
Acquiring the number of passengers who are getting on and off each bus stop collected by a first bus that stops at each bus stop on the first road; And
Determining information about a demand of the first bus for the first road based on the number of the passengers getting on and off;
≪ / RTI >
How to determine bus stop coordinates.
Connecting the bus stop coordinates between the plurality of bus stop coordinates along roads included in the traffic map including the earth position information and displaying the bus route on the traffic map;
/ RTI >
The bus stop coordinate determination step may include: (1) a candidate determination step of determining, from the global position information of the bus, candidate coordinates that are candidates of bus stop coordinates at which the bus stops; and (2) And a correction step of correcting the candidate coordinates so as to have a definite coordinate value that is a coordinate located on an adjacent road that is the road closest to the candidate coordinates among the roads displayed on the traffic map,
Wherein the candidate coordinates are corrected so as to have a coordinate value located on a road side corresponding to a moving direction of the bus among two road sides present on the adjacent road,
How to display the bus route.
The geolocation information of the bus includes a plurality of position data including information of a [latitude, longitude] type as values collected at regular time intervals,
Wherein the candidate determining step includes determining the candidate coordinates using representative coordinate values of an area having a spatial density of the plurality of position data equal to or higher than a predetermined level.
How to display the bus route.
A candidate determining step of determining candidate coordinates that are candidates of bus stop coordinates at which the bus stops, from the geolocation information of the bus collected while the bus is running;
A calibration step of correcting the candidate coordinates so that the candidate coordinates have a definite coordinate value that is a coordinate located on an adjacent road that is the road closest to the candidate coordinates among a plurality of roads included in the traffic map including the earth position information, ; And
Determining a point indicated by the determined coordinate value in the traffic map as a position of the bus stop where the bus stops;
/ RTI >
The geolocation information of the bus includes a plurality of position data including information of a [latitude, longitude] type as values collected at regular time intervals,
Wherein the candidate determination step includes determining the candidate coordinates using representative coordinate values of an area having a spatial density of the plurality of position data equal to or higher than a predetermined level,
Wherein the candidate coordinates are corrected so as to have a coordinate value located on a road side corresponding to a moving direction of the bus among two road sides present on the adjacent road,
How to determine bus stop location.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109754630A (en) * | 2019-02-02 | 2019-05-14 | 武汉元光科技有限公司 | The method and apparatus for determining car operation route |
| CN111223288A (en) * | 2018-11-26 | 2020-06-02 | 厦门雅迅网络股份有限公司 | Line blockage avoiding method based on Internet of vehicles data and storage medium |
| CN113850996A (en) * | 2021-09-17 | 2021-12-28 | 广州市城市规划勘测设计研究院 | Road section bus line repetition coefficient data calculation method and device and storage medium |
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| JP2006004270A (en) * | 2004-06-18 | 2006-01-05 | Sumitomo Electric Ind Ltd | Depot detecting system and method, and travel time measuring system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111223288A (en) * | 2018-11-26 | 2020-06-02 | 厦门雅迅网络股份有限公司 | Line blockage avoiding method based on Internet of vehicles data and storage medium |
| CN111223288B (en) * | 2018-11-26 | 2023-02-03 | 厦门雅迅网络股份有限公司 | Line blockage avoiding method based on Internet of vehicles data and storage medium |
| CN109754630A (en) * | 2019-02-02 | 2019-05-14 | 武汉元光科技有限公司 | The method and apparatus for determining car operation route |
| CN113850996A (en) * | 2021-09-17 | 2021-12-28 | 广州市城市规划勘测设计研究院 | Road section bus line repetition coefficient data calculation method and device and storage medium |
| CN113850996B (en) * | 2021-09-17 | 2022-06-14 | 广州市城市规划勘测设计研究院 | Road section bus line repetition coefficient data calculation method and device and storage medium |
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