KR101822010B1 - Apparatus for displaying traffic information and control method thereof - Google Patents

Apparatus for displaying traffic information and control method thereof Download PDF

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Publication number
KR101822010B1
KR101822010B1 KR1020150174470A KR20150174470A KR101822010B1 KR 101822010 B1 KR101822010 B1 KR 101822010B1 KR 1020150174470 A KR1020150174470 A KR 1020150174470A KR 20150174470 A KR20150174470 A KR 20150174470A KR 101822010 B1 KR101822010 B1 KR 101822010B1
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KR
South Korea
Prior art keywords
traffic
information
speed
point information
point
Prior art date
Application number
KR1020150174470A
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Korean (ko)
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KR20170067958A (en
Inventor
홍유선
민경준
김지범
허민규
김무상
배병우
김선영
Original Assignee
대보정보통신(주)
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Priority to KR1020150174470A priority Critical patent/KR101822010B1/en
Publication of KR20170067958A publication Critical patent/KR20170067958A/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096791—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is another vehicle
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/30—Transportation; Communications
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed

Abstract

A traffic information display apparatus and a control method thereof are disclosed. A traffic information display device of the present invention includes a communication unit connected to a VDS network and receiving point information transmitted to a destination of a traffic server; A control unit for extracting speed information at a forward position from the forward point information in the traveling direction from the point information received from the communication unit to determine a traffic flow; And a front state display unit for displaying a traffic flow determined by the control unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traffic information display apparatus,

The present invention relates to a traffic information display apparatus and a control method thereof. More particularly, the present invention relates to a traffic information display apparatus and a control method thereof, The present invention relates to a traffic information display apparatus and a control method thereof, which receives traffic information from a VDS (Vehicle Detection System) network and directly analyzes the traffic flow ahead independently at each point, thereby displaying traffic information.

In addition to the rapid increase in traffic volume, traffic congestion, traffic accidents, pollution caused by air pollution, and deterioration of the traffic environment have caused many threats. Therefore, There is a limit to financing, and there is a limitation in solving traffic problems that we are experiencing with the way of current traffic system.

In order to improve the traffic safety and the environment, it is necessary to integrate advanced technologies such as road, automobile, railway, air transportation, marine transportation, We have been building an intelligent transportation system as an innovative new traffic system that has secured an inexpensive and safe traffic environment and operated efficiently.

As part of this intelligent transportation system, CCTV, VDS (Vehicle Detection System) and VMS (Traffic Information Display System) are used every 1km ~ 2km to collect traffic information and display traffic situation on highway, And Vehicle Message System (Traffic Message Management System).

A related prior art is "Wireless Monitoring System of Traffic Management System", Korean Patent Publication 2007-0051961 (May 21, 2007).

In this way, in the traffic management system according to the related art, it takes much time to analyze the traffic information collected through the traffic information collection device and display the traffic situation ahead in the traffic information display device installed at each point.

Therefore, when the user arrives in the area, the traffic flow is not changed and the user can not cope with unexpected situations.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a traffic information management system, The present invention provides a traffic information display device and a control method thereof, which receive traffic information from a VDS network and directly analyze the traffic flow ahead independently at each point to display traffic information.

A traffic information display device according to an aspect of the present invention includes a communication unit connected to a VDS network and receiving point information transmitted from a traffic information collection device to a destination of a traffic information server in a traffic information center; A control unit for extracting speed information of the forward position from the forward point information in the traveling direction based on the current position in the point information received from the communication unit and determining the traffic flow independently of the traffic server; And a front state display unit for displaying a traffic flow determined by the control unit, wherein the front state display unit is installed on a guard rail on the shoulder of the road, and includes a message display unit displaying a traffic flow ahead, And a color display unit for displaying the flow in color.

The present invention further includes a speed detector for detecting the speed of the current position, and the controller transmits the position information including the detected speed information and the detected position to the destination through the communication unit.

In the present invention, the speed detector is a loop detector.

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The point information in the present invention is characterized by including a detected position and speed information that detect the speed of the vehicle.

According to another aspect of the present invention, there is provided a method of controlling a traffic information display device, comprising: receiving point information transmitted from a traffic information collection device to a destination through a communication server connected to a VDS network; Extracting speed information from point information of a forward position in a traveling direction on the basis of the current position in the received point information; Determining a forward traffic flow independently of the traffic server based on the speed information of the forward position; And displaying the front state through the front state display unit in accordance with the determined traffic flow, wherein the step of displaying the front state includes displaying the front traffic state through the front state display unit installed on the shoulder rail of the road, Is displayed in a message and a color.

The present invention is characterized in that the control unit further includes a step of transmitting, to the destination, the traffic server through the communication unit, the point information including the detected speed information and the detected position in the speed detecting unit.

The point information in the present invention is characterized by including a detected position and speed information that detect the speed of the vehicle.

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The traffic information display device and the control method thereof according to the present invention are installed at predetermined distances to intercept the point information transmitted from the traffic information collecting device to the traffic server of the traffic information center from the VDS network Traffic information is displayed by directly analyzing the traffic flow ahead independently at each point so as to not only grasp the traffic situation ahead but also cope with the unexpected situation.

1 is a block diagram illustrating a traffic information display apparatus according to an embodiment of the present invention.
2 is a block diagram of an entire system in which a traffic information display apparatus according to an embodiment of the present invention is constructed.
3 is an exemplary view showing an application state of a traffic information display apparatus according to an embodiment of the present invention.
4 is a flowchart illustrating a method of controlling a traffic information display apparatus according to an exemplary embodiment of the present invention.

Hereinafter, a traffic information display apparatus and a control method thereof according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a block diagram illustrating a traffic information display apparatus according to an exemplary embodiment of the present invention. FIG. 2 is a diagram illustrating an overall system configuration in which a traffic information display apparatus according to an exemplary embodiment of the present invention is constructed. FIG. 8 is a diagram illustrating an application state of a traffic information display apparatus according to an embodiment of the present invention. FIG.

1 and 2, the traffic information display apparatus according to an embodiment of the present invention includes a communication unit 40, a control unit 20, a front status display unit 30, and a speed detection unit 10.

The speed detector 10 detects the speed of the vehicle passing through the road at the current position via the loop sensor 12 embedded in the road.

That is, when the vehicle passes through the loop detector 12 embedded in the road, the frequency value of the loop detector 12 is changed by the metal component of the vehicle, so that the presence or absence of the vehicle is determined through the variation of the frequency value. Therefore, not only the speed of the vehicle can be detected based on the time difference detected by the vehicle through the loop detector 12, but also traffic volume and occupancy rate can be grasped. On the other hand, if the speed detected through the loop detector 12 is a negative number, it may be determined to be an inverse run.

The communication unit 40 is connected to the VDS network 60 and receives the location information transmitted to the destination of the traffic server 50.

The communication unit 40 accesses the VDS network 60 constructed to collect traffic information from a traffic information collection device (not shown) installed every 1 km to 2 km on the road in a traffic management system (not shown) To the destination.

For example, as shown in FIG. 2, the first to third traffic information display devices 101 to 103 can be connected to the VDS network 60 through the communication unit 50, respectively. Accordingly, it is possible to intercept the point information transmitted from the traffic server 50 to the destination through the VDS network 60 and independently analyze the received point information so that the traffic situation ahead can be grasped in real time.

At this time, the first traffic information display device 101 is installed at a first point, the second traffic information display device 102 is installed at a second point ahead of the first point by a predetermined distance, and the third traffic information display device 103 may be installed at a third point ahead of the second point by a predetermined distance.

Here, the point information may include a detected position and velocity information that have detected the velocity of the vehicle.

The control unit 20 extracts the speed information of the forward position from the forward point information in the traveling direction based on the current position in the point information received from the communication unit 40 to determine the traffic flow.

The control unit 20 may generate point information including the detected speed information and the detected position through the speed detector 10 and may transmit the traffic server 50 to the destination through the communication unit 40. [

The control unit 20 extracts the speed information of the forward position from the forward point information transmitted from the point located forward of the traveling direction on the basis of the current position to determine the traffic flow.

For example, in FIG. 2, the first traffic information display device 101 receives point information transmitted from the second traffic information display device 102 or the third traffic information display device 103, The first traffic information display device 101 displays the traffic state of the traffic information 102 so that traffic flows ahead can be recognized.

In other words, in order to prevent an error at one point, the reverse running situation is determined to be inverse if the speed of the second point and the third point is negative, and the unexpected situation is determined such that the first point as the current position is smooth, Is less than 10 km, it can be judged as an unexpected situation.

In addition, the congestion state can be judged when the speed at the second point ahead is 30 km or less, and when the speed at the second point is within the range of 31 km to 60 km, the speed at the second point can be judged If it is over 61km, it can be judged as a smooth situation.

Here, the range of the speed for judging the traffic flow is not limited to the value set to increase understanding, but may be set to a different value as necessary.

The front state display unit 30 displays a message display unit 32 for displaying a traffic flow determined by the control unit 20 as a message and a color display unit 34 for displaying a color.

For example, as shown in FIG. 3, the front state display unit 30 may be installed on the guard rail 70 of the road so that it can be easily recognized while traveling.

Accordingly, it is possible to display the traffic situation of any one of the occurrence, the congestion, the delay, the smoothness, and the reverse running along with the position of the forward displayed through the message display unit 32. Through the color display unit 34, It can be displayed in red when the traffic accident occurs, congestion or reverse driving, it is displayed in yellow when the traffic is delayed, and it can be displayed in green when it is smooth to recognize the traffic situation.

As described above, according to the traffic information display device according to the embodiment of the present invention, the traffic information display device installed at a certain distance and provided to the traffic information server from the traffic information collecting device to the traffic information server, Is received from the VDS network and analyzed traffic flow directly in front of each point independently to display traffic information so that it can not only grasp the traffic situation ahead but also cope with the unexpected situation.

4 is a flowchart illustrating a method of controlling a traffic information display apparatus according to an exemplary embodiment of the present invention.

As shown in FIG. 4, in the control method of the traffic information display apparatus according to the embodiment of the present invention, the control unit 20 receives the speed at the current position from the speed detection unit 10 (S10).

If the speed is input in step S10, the control unit 20 generates point information including the detected speed information and the detected position in the speed detecting unit 10, The server 50 transmits the branch point information to the destination (S20).

When the traffic information display apparatus is provided with the speed detection unit 10, the traffic information display apparatus can also collect traffic information and transmit the traffic information to the traffic server 50.

Here, the point information may include the detected position and the speed information that have detected the speed of the vehicle.

After transmitting the location information to the traffic server 50 in step S20, the controller 20 receives the location information transmitted from the VDS network 60 through the communication unit 40 to the destination of the traffic server 50 (step S30 ).

After receiving the point information transmitted to the destination of the traffic server 50 in step S30, the controller 20 extracts the speed information of the forward position from the forward point information located in front of the current position in the received point information S40).

At this time, the speed information can be extracted from the first point, which is the point information of the current position, the second point on the front, and the point information of the third point, which is ahead of the second point, depending on the traffic situation.

For example, a situation such as a reverse run can be based on velocity information at the second and third points to avoid errors at one point.

After extracting the speed information of the forward position in step S40, the controller 20 determines the traffic flow ahead (S50).

For example, in FIG. 2, the first traffic information display device 101 receives point information transmitted from the second traffic information display device 102 or the third traffic information display device 103, The first traffic information display device 101 displays the traffic state of the traffic information 102 so that traffic flows ahead can be recognized.

In other words, in order to prevent an error at one point, the reverse running situation is determined to be inverse if the speed of the second point and the third point is negative, and the unexpected situation is determined such that the first point as the current position is smooth, Is less than 10 km, it can be judged as an unexpected situation.

In addition, the congestion state can be judged when the speed at the second point ahead is 30 km or less, and when the speed at the second point is within the range of 31 km to 60 km, the speed at the second point can be judged If it is over 61km, it can be judged as a smooth situation.

Here, the range of the speed for judging the traffic flow is not limited to the value set to increase understanding, but may be set to a different value as necessary.

After the traffic information is independently determined at each point, the traffic flow determined through the front state display unit 30 is displayed (S60).

At this time, the front status display unit 30 displays the message display unit 32 for displaying the traffic flow determined by the control unit 20 as a message and the color display unit 34 for displaying the color.

For example, as shown in FIG. 3, the front state display unit 30 may be installed on the guard rail 70 of the road so that it can be easily recognized while traveling.

Accordingly, it is possible to display the traffic situation of any one of the occurrence, the congestion, the delay, the smoothness, and the reverse running along with the position of the forward displayed through the message display unit 30. Through the color display unit 34, It can be displayed in red when the traffic accident occurs, congestion or reverse driving, it is displayed in yellow when the traffic is delayed, and it can be displayed in green when it is smooth to recognize the traffic situation.

As described above, according to the traffic information display device according to the embodiment of the present invention, the traffic information display device installed at a certain distance and provided to the traffic information server from the traffic information collecting device to the traffic information server, Is received from the VDS network and analyzed traffic flow directly in front of each point independently to display traffic information so that it can not only grasp the traffic situation ahead but also cope with the unexpected situation.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: speed detector 12: loop detector
20: control unit 30: front state display unit
32: message display unit 34: color display unit
40: communication unit 50: traffic server
60: VDS network 70: Guard rail
101 to 103: First to third traffic information display devices

Claims (10)

A communication unit connected to the VDS network and receiving point information transmitted from a traffic information collection device to a destination of a traffic information server;
A control unit for extracting speed information of a forward position from the forward point information in the traveling direction based on the current position in the point information received from the communication unit and determining a traffic flow independently of the traffic server; And
And a front state display unit for displaying the traffic flow determined by the control unit,
Wherein the front state display unit includes a message display unit installed on a guard rail of a road and displaying a traffic flow in front of the vehicle and a color display unit displaying traffic flow in front of the vehicle in color. Device.
The communication terminal according to claim 1, further comprising a speed detection unit for detecting a speed of a current position, wherein the control unit transmits the point information including the speed information and the detected position detected by the speed detection unit, To the traffic information display device.
The traffic information display device of claim 2, wherein the speed detector is a loop detector.
delete delete The traffic information display device according to claim 1, wherein the point information includes a detected position and speed information of the vehicle.
The control unit receiving point information transmitted from the traffic information collecting device to the destination through the communication unit connected to the VDS network;
Extracting speed information from point information of a forward position in a traveling direction on the basis of the current position in the point information received by the control unit;
Determining a traffic flow ahead of the traffic server independently of the traffic server based on the speed information of the forward position; And
And displaying the forward state through the front state display unit according to the traffic flow determined by the controller,
Wherein the step of displaying the front state comprises displaying the traffic flow ahead through the front state display unit provided on the guard rail of the road using a message and a color.
The method according to claim 7, further comprising the step of the controller transmitting the point information including the speed information and the detected position detected by the speed detector to the destination through the communication unit A method of controlling a device.
8. The control method of a traffic information display device according to claim 7, wherein the point information includes a detected position and velocity information of the vehicle.
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KR1020150174470A 2015-12-08 2015-12-08 Apparatus for displaying traffic information and control method thereof KR101822010B1 (en)

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