JP2014157522A - Road traffic control system utilizing probe data - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that accuracy and quickness are lacked when information of congestion, accidents, and fallen objects on a road is summarized to a collection device by a fixed-point observation device and manual information collection means, and events are manually inputted to a traffic information monitoring control processor and displayed in a display body.SOLUTION: A road traffic control system includes a control center, a traffic information monitoring control processor, a congestion determination processor, and a display body. The control center summarizes various kinds of input information and inputs events to the traffic information monitoring control processor manually, and the processor is connected to the display body and connected to the congestion determination processor by on-line. The congestion determination processor has a function of congestion determination processing on the basis of data of the own vehicle position confirmation of a probe car by GSP and running velocity at the own vehicle position, and is equipped with an automatic transmission device. The display body provides required information with image or voice as a medium, the processor has the events, the order of priority of various kinds of information from the automatic transmission device, and the function of the display body determination, and the processor sends the information of the order of priority to the display body.

Description

  The present invention relates to a road traffic control system using probe data, and improves the accuracy and speed of grasping an abnormal situation on a road, for example, an expressway, and providing information.

  Paragraph 0018 of Japanese Patent Laid-Open No. 2011-146064 (Patent Document 1) discloses the idea of providing various information from each vehicle to the outside. Is also described in paragraph 0020. Moreover, it is clear from the description of paragraphs 0011 and 0012 of Japanese Patent Application Laid-Open No. 2011-215969 (Patent Document 2) that new information is generated and provided based on information obtained from each vehicle. Furthermore, processing a plurality of vehicles, processing road-related information sent from these vehicles, and outputting the information as road information 104 is disclosed in paragraph 0038 of FIG. 7 and Japanese Patent Laid-Open No. 7-334786 (Patent Document 3). 14 can be understood from 0070 in the description of 14.

JP 2011-146064 A JP 2011-215969 A JP 7-334786 A

  Information on specific events on the road, such as traffic jams, accidents, and falling objects, is actively reported by road patrol reports or surveillance video cameras installed above or on the road surface, and passively by drivers, passengers, and traffic. Upon notification of the visual condition of the person, it is sent to a collecting device (in the following explanation, it will be referred to as “control center” because it becomes a “control center” in an expressway company). Each information is collected here, and the event is manually input to the traffic information monitoring control processing device. This event is for special events such as traffic jams, accidents, and falling objects, and includes the date and location of the occurrence.

  This traffic information monitoring control processing device has a function for determining the priority order of each information and a function for determining which information should be displayed on which display body. Is displayed on the display body determined to be.

  Since the road patrol report is mainly grasped by the traffic management team about 8 times a day, there is a lack of speed in detecting traffic jams with indeterminate times and locations. Since the installation position of the surveillance video camera is specified, the monitoring video camera stops at a fixed point and cannot be grasped as a linear traffic flow. The notification of the visual status of drivers, passengers, and passersby is accompanied by a sense in determining the unique event, resulting in individual differences and lack of accuracy.

  The operation of inputting an event from the various information collected in the control center to the traffic information monitoring control processing device is performed manually. Therefore, there is a risk of erroneous input, and lacks speed.

  A road traffic control system using probe data according to the present invention includes a control center, a traffic information monitoring control processing device, a traffic congestion determination processing device, and a display. The control center collects various input information and manually inputs an event to the traffic information monitoring control processing device. The traffic information monitoring control processing device is connected to the display body and is connected online with a traffic congestion determination processing device. The traffic jam determination processing device has a traffic jam judgment processing function for judging traffic jam based on data obtained from a probe car, and has an automatic transmission function. The probe car has a function of automatically transmitting a vehicle position confirmation by GPS and data of a traveling speed at the vehicle position. A plurality of types of display bodies are prepared, and information is provided using video or audio as a medium. The traffic information monitoring control processing device has a priority determination function for various information sent from the event and the automatic transmission device, and a determination function for a display object to be displayed. It is designed to be sent to the display body.

  The probe car is a vehicle equipped with an automatic transmission device that has a function of recognizing the position of the vehicle by GPS and a function of measuring the traveling speed from the traveling distance and traveling time of the own vehicle and automatically transmitting the obtained information. is there. By sending traffic conditions from a plurality of probe cars at the travel position of the host vehicle, the planar and linear travel conditions including those vehicles can be confirmed accurately and in real time. When there are multiple alternative routes in the area between the starting point or the current location and the destination set in the car navigation system, when a change in traffic conditions is confirmed, a detour to avoid congestion on the display The driver can be encouraged to avoid traffic congestion by displaying a message or instructing a detour by voice or the like. In addition, when it is grasped linearly on an expressway or a general road, it is possible to measure a passing time of a traffic jam location or a traffic jam elimination prediction time and provide it to a consumer.

  Since the traffic information monitoring control processing device is directly connected to the traffic congestion determination processing device online without going through the control center, the information automatically sent by the traffic congestion determination processing device is used for collecting work and events by the control center. Without any input, it can directly enter the traffic information monitoring control processing device and display necessary information on the display in real time.

(Claim 2) The various input information received by the control center is obtained by a road patrol car, a driver and / or a surveillance video camera, and is at least one of information on traffic jams, falling objects and accidents. May be.
In this way, since the full-time workers are on the road patrol car, the information to be transmitted is relatively accurate, and since the number of drivers is large, a wide range of information can be obtained, and the video camera for surveillance is limited to a fixed point Can provide accurate information.

(Claim 3) The event manually input from the control center to the traffic information monitoring control processing device may be information on an accident, construction, or a fallen object.
In this way, it takes a little time to manually input the event from the control center to the traffic information monitoring control processing device, but the event is limited to those related to accidents, construction, and fallen objects. Because it is entrusted to, accurate and real-time information can be displayed.

(Claim 4) The traffic information monitoring control processing apparatus may be connected to a traffic volume measurement / congestion automatic determination apparatus.
In this way, there are places on the road where traffic volume measurement and automatic traffic jam judgment devices for monitoring traffic conditions are installed, and by using the information from this device in the traffic information monitoring control processing device, more accurate Traffic information can be provided.

(Claim 5) The traffic information monitoring control processing apparatus may be connected to the control center by an abnormality alarm instruction circuit.
In this way, when the traffic information monitoring control processing device receives the traffic jam information from the traffic jam judgment processing device, it sends an abnormal alarm to the control center. Yes.

(Claim 6) The control center may instruct the road patrol car to respond to the abnormal alarm and receive a status report from the road patrol car.
In this way, even an event that was not noticed by the road patrol car can be confirmed and dealt with by the response instruction from the control center, and by reporting the response status to the control center, the event by the road patrol car You can check the status of support.

  According to the present invention, the congestion determination processing device automatically transmits the traveling speed information obtained from the probe car and the vehicle position recognition function by GPS and the traveling distance and traveling time of the own vehicle. By sending the traveling speed at the traveling position of the host vehicle from the probe car of the vehicle, the plane and linear driving conditions including those vehicles can be confirmed accurately and in real time, and the plane conditions are confirmed Can display a traffic jam avoidance detour on the display body to allow the driver to avoid traffic jams, and when grasping linearly on expressways and general roads etc. It can be provided to consumers by measuring the estimated time to cancel.

  In addition, since the traffic information monitoring control processing device is directly connected to the traffic congestion determination processing device online without going through the control center, the information automatically sent by the traffic congestion determination processing device is collected by the control center. Without entering the event, it is possible to directly enter the traffic information monitoring control processing device and display necessary information on the display body in real time.

  According to claim 2, since a full-time worker is on the road patrol car, the information to be transmitted is also relatively accurate, and since the number of drivers is large, a wide range of information can be obtained. Although it is limited to fixed points, it can provide accurate information.

  According to claim 3, it takes a little time to manually input an event from the control center to the traffic information monitoring control processing device. However, if the event is related to an accident, construction, or fallen object, the input of the traffic jam judgment is the traffic jam judgment process. Since it is entrusted to information from the device, accurate and real-time information can be displayed.

  According to claim 4, there is a place on the road where a traffic volume measuring and traffic congestion automatic judging device for monitoring traffic conditions is installed, and information from this device is adopted in the traffic information monitoring control processing device. Can provide more accurate traffic information.

  According to claim 5, when the traffic information monitoring control processing device receives the traffic jam information from the traffic jam judgment processing device, it sends an abnormal alarm to the control center. Sends quickly.

  According to claim 6, even if an event was not noticed by the road patrol car, the event can be confirmed and dealt with by a response instruction from the control center, and by reporting the response status to the control center, the road patrol car Can confirm the response status of the event.

It is a block diagram which shows the specific example of the road traffic control system using the probe data based on this invention. FIG. 2 is a block diagram showing a state provided with abnormality alarm means in the case of FIG. 1. (A) is a conceptual diagram of a conventional example of an initial action system when an abnormal event occurs, and (b) is also a conceptual diagram of an example of the present invention, which is determined as an abnormal event when the probe data speed falls below the determination speed. It is.

  A specific example of a road traffic control system using probe data according to the present invention will be described with reference to the drawings. This system includes a control center 1, a traffic information monitoring control processing device 2, a traffic jam determination processing device 3, and a display body 4.

The control center 1 collects various types of input information and manually inputs the event 1a to the traffic information monitoring control processing device 2. The traffic information monitoring control processing device 2 is connected to the display body 4 and connected to the traffic jam determination processing device 3 online 31.
The traffic congestion determination processing device 3 has a function of traffic congestion determination processing based on information from the probe car 32 (the vehicle position confirmation by GPS and the traveling speed at the vehicle position), and the information created by the function is automatically An automatic transmission device 33 for transmitting is provided. By preparing a plurality of probe cars by themselves or by contracting with another person's probe car, the traffic situation at the traveling position of the own vehicle is sent, and the plane and line including those vehicles are included. You can check the driving situation accurately and in real time.
The display body 4 is a direct display target, such as an information board 4a, a highway radio (registered trademark) 4b, a highway telephone 4c, an information terminal 4d, and an indirect display target such as another branch office 4e, JARTIC (foundation). 4f, VICS Center 4g, and VICS (Registered Trademark of the Road Traffic Information Communication Center) 4h. Information is provided using video or audio as a medium.

  This traffic information monitoring control processing device 2 has a function for determining the priority order of events inputted from the control center 1 and various information sent from the automatic transmission device 33 of the traffic jam judgment device 3, and this priority order. It has a determination function as to which display body 4 is to display information. The priority order can be determined by the number of values assigned to various types of information according to the weight, and the traffic information monitoring control processing device 2 determines the information contents and the display body 4 that displays the information in advance. Can be done by.

  Based on the information from the probe car 32, when the traffic congestion judgment processing device 3 confirms a wide area situation such as a part of a village or town, the detour for avoiding traffic congestion is displayed on the display body 4. Etc. and the driver can avoid traffic jams, and if it is grasped linearly on an expressway or general road, etc., it is possible to measure the passing time of traffic jams and the estimated time to eliminate traffic jams and Can be provided.

  Since the traffic information monitoring control processing device 2 is directly connected to the traffic congestion determination processing device 3 and the online 31 without going through the control center 1, the information automatically sent by the traffic congestion determination processing device 3 is aggregated by the control center 1. Without entering the event 1a, it is possible to directly enter the traffic information monitoring control processing device 2 and display necessary information on the display body 4 in real time.

(Claim 2) The various input information received by the control center 1 is obtained by the road patrol car 5, the driver 6 and / or the monitoring video camera 7, and at least one of the information on traffic jams, falling objects and accidents. One.
In this case, since a full-time worker is on the road patrol car 5, the information to be transmitted is relatively accurate, and since the driver 6 is large in number, a wide range of information can be acquired. However, it is possible to provide accurate information.

(Claim 3) The event 1a manually input from the control center 1 to the traffic information monitoring control processing device 2 is information on an accident or a fallen object.
In this case, it takes a little time to manually input the event 1a from the control center 1 to the traffic information monitoring control processing device 2, but the event 1a is limited to an accident, construction or fallen object. Since it is entrusted to the information from the apparatus 3, accurate and real-time information can be displayed.

(Claim 4) The traffic information monitoring control processing device 2 is also connected to a traffic volume measurement / congestion automatic determination device 8.
There is a place on the road where a traffic volume measuring and traffic congestion automatic determination device 8 for monitoring traffic conditions is installed, and the number of passing vehicles at the installed place can be accurately grasped.
By adopting the information from the traffic volume measuring / automatic traffic jam determining device 8 in the traffic information monitoring control processing device 2, it becomes possible to provide more accurate traffic information.
Information from the traffic volume measurement / automatic traffic jam determination device 8 can also be used for determination of the accuracy of information by the traffic jam determination processing device 3 and estimation of occurrence of an accident or a fallen object.
In general, the greater the number of sample data of the probe car, the greater the accuracy of the traffic jam data created by the traffic jam judging device 3, but when there is only a small amount of sample data, the absolute number of vehicles traveling on the road is smaller. Since it is not possible to determine whether there are few vehicles or there are many vehicles that are traveling but the proportion of probe cars is small, it is impossible to determine the accuracy of the determination as to whether or not there is a traffic jam. In this case, for example, whether the absolute number of vehicles traveling on the road is small by grasping the traffic volume at a specific place by the traffic volume measuring / congestion automatic determination device 8 or It is possible to determine whether there are many vehicles but the proportion of probe cars is small.
Even in the traffic jam data created by the traffic jam judgment processing device 3 in a state where the number of probe data is small, if the number of vehicles passing the fixed point observation point from the traffic volume measuring and traffic jam automatic judgment processing device 8 is less than a predetermined value, this traffic jam data The traffic information monitoring control processing device 2 can perform processing for invalidating the traffic.
In addition, it is also considered that another abnormality has occurred that the traveling speed has decreased even though the number of traveling vehicles is small. Therefore, in this case, dispatch of a road patrol car or the like can be urged by sending an abnormality alarm 9a from the instruction circuit 9 to notify the control center 1.
In this example, the traffic measurement / congestion automatic determination device 8 is described in this embodiment. However, the traffic measurement / congestion automatic determination device 8 is generally installed on a highway in an urban area and is installed in a small area. On highways, the use as described above becomes difficult. Therefore, in order to grasp the traffic volume to some extent accurately, it is possible to substitute the number of passing ETC (registered trademark of the Foundation for Promotion of Road System Advancement) gates.

(Claim 5) The traffic information monitoring control processing device 2 is connected to the control center 1 by an instruction circuit 9 for an abnormal alarm 9a.
In this case, when the traffic information monitoring control processing device 2 receives the traffic jam information from the traffic jam judgment processing device 3, it sends an abnormal alarm 9a to the control center 1, so that the traffic information acquisition and transmission to the control center 1 can be performed promptly. Yes.

(Claim 6) Upon receiving the abnormality alarm 9a, the control center 1 gives a response instruction 10 to the road patrol car 5 and obtains a status report 11 from the road patrol car 5.
In this case, even if the event is not noticed in the road patrol car 5, the event can be confirmed and dealt with by the response instruction 10 from the control center 1, and the response status can be reported to the control center 1, so that the road patrol car 5 can confirm the response status to the event.

DESCRIPTION OF SYMBOLS 1 Control center 1a Event 2 Traffic information monitoring control processing device 3 Congestion judgment processing device 31 Online 32 Probe car 33 Automatic transmission device 4 Display body 5 Road patrol car 6 Driver 7 Monitoring video camera 8 Traffic measurement and automatic traffic judgment device 9 Instruction circuit 10 Corresponding instruction 11 Status report

Claims (6)

Includes control center (1), traffic information monitoring control processing device (2), traffic jam judgment processing device (3) and display body (4),
The control center (1) aggregates various input information and manually inputs the event (1a) to the traffic information monitoring control processing device (2).
The traffic information monitoring control processing device (2) is connected to the display body (4) and connected to the traffic congestion determination processing device (3) online (31),
The traffic jam judgment processing device (3) has a function of traffic jam judgment processing based on the vehicle position confirmation by GPS of the probe car (32) and the travel speed data at the vehicle position, and an automatic transmission device ( 33)
The display body (4) is provided in a plurality of types and provides information using video or audio as a medium.
The traffic information monitoring control processing device (2) has a priority determination function of various information sent from the event (1a) and the automatic transmission device (33), and a determination function of a display object to be displayed. A road traffic control system using probe data, wherein the priority order information is sent to the display body (4).   The various input information received by the control center (1) was obtained by the road patrol car (5), driver (6) and / or surveillance video camera (7). The road traffic control system using probe data according to claim 1, which is at least one of the above.   The event (1a) manually input from the control center (1) to the traffic information monitoring control processing device (2) is information relating to an accident, construction, or fallen object. Utilized road traffic control system.   4. The road traffic control system using probe data according to claim 1, wherein the traffic information monitoring control processing device (2) is also connected to a traffic volume measuring / automatic traffic jam determining device (8).   The probe information according to claim 1, 2, 3 or 4, wherein the traffic information monitoring control processing device (2) is connected to the control center (1) by an indication circuit (9) for an abnormal alarm (9a). Utilized road traffic control system. Upon receipt of the abnormal alarm (9a), the control center (1) issues a response instruction (10) to the road patrol car (5) and obtains a status report (11) from the road patrol car (5). A road traffic control system using the probe data according to claim 1, 2, 3, 4 or 5.

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