JP2006031421A - Information collection device and information collection method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To collect information related to incoming vehicles, such as information about waiting queues for facilities or the like, by obtaining the paths of travel of vehicles using a simple installation. <P>SOLUTION: An on-vehicle machine 60 of the vehicle 50 has the function of storing the paths of travel. The on-vehicle machine 60 sends data about the paths of travel once it becomes communicable with an on-street information collection machine 10 installed at the entrance of facilities such as a parking lot. Data on the paths of travel received by the on-street information collection device 10 are supplied to an information collection device 20. A path-of-travel specifying part 22 and a departure area specifying part 23 specify the path of travel of each vehicle and the departure area of each vehicle, respectively, and a waiting queue specifying part 24 specifies the course of the waiting queue, its end position and waiting time, whereby pieces of information collected are created. The pieces of information collected are supplied to a traffic information utilization device 70 via an information service device 40 and used in the display of the information about the waiting queue to the facilities and in the analysis of incoming vehicles, etc. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an information collecting apparatus and an information collecting method for collecting information such as a traveling locus from a vehicle entering a facility.

  In recent years, systems that provide vacant information regarding facilities such as parking lots have been put into practical use. For example, a parking lot facility is provided with vehicle determination means for determining a parking lot waiting vehicle and outputting parking lot surrounding information related to the parking lot waiting vehicle, and information providing means for providing the parking lot surrounding information to a traffic information providing organization. The information providing means for transmitting the parking lot peripheral information to the traffic information providing agency, the information receiving means for receiving the parking lot peripheral information to the vehicle, and the map information search means to the end of the vehicle waiting to enter the target parking lot There has been proposed a navigation system provided with means for setting the tail as the position of the target parking lot (see Patent Document 1).

  In addition, a parking lot information providing system that appropriately guides a vehicle to a desired parking lot in consideration of an entrance position, a warehousing route, a queuing queue, and the like has been proposed. In the parking lot system of each parking lot, the parking lot management device detects the full / empty vehicle information and the end of the waiting vehicle based on the presence / absence of the parked vehicle detected by the parked vehicle detection device and the storage waiting queue detected by the standby vehicle detection device. Get tail information. The information on the position of each parking lot and the warehousing route and the acquired information are stored in the parking lot information storage unit, and transmitted in response to a request from the parking lot information acquisition device of each vehicle. In the parking lot information acquisition device, a route for entering a desired parking lot is calculated based on these pieces of information, and the information display unit notifies the driver (see Patent Document 2).

  In addition, a parking waiting time guidance system has been proposed that provides a driver of a vehicle traveling on the road in real time with parking waiting times of a plurality of parking lots. In this example, the waiting time of each parking lot is displayed on an output device (guidance display board) grounded at each point on the road. In addition, a beacon that performs FM multiplex communication with a receiving terminal mounted on a vehicle traveling in the communication area is installed, and waiting time information provided from the information providing center is output from the beacon. Are output from the display or the like of the receiving terminal of each vehicle traveling in the communication area (see Patent Document 3).

  In addition, it provides real-time facility information such as parking space availability and facility waiting times, and further searches for routes to destinations taking into account waiting times at parking lots and facilities on the way. A facility information display device has been proposed that provides facility information along the route to the user. In this example, the facility information search means reads the facility within a predetermined distance of a certain point from the map information storage means, acquires the information of the corresponding facility from the outside by the facility information acquisition means, and analyzes it by the facility information analysis means, The display is performed on the display according to the control of the facility information display means (see Patent Document 4).

  In addition, the first transmission equipped on each of the roads lined up with vehicles waiting for admission to the parking lots of facilities such as supermarkets, department stores, and amusement parks, or each of the installation bodies installed at intervals around the roads. And a time calculation means for obtaining a time required for a vehicle existing in the vicinity of the installation body to enter the parking lot from the predetermined information, and transmitting the time information obtained by the time calculation means to the first transmitter. An information processing system comprising: a first transmission unit configured to perform a first terminal device configured to include a first receiver configured to receive information transmitted from a first transmitter; An information processing system is provided in which the terminal device is provided with providing means for providing time information required to enter the parking lot to the occupant based on the information received by the first receiver (patent) Reference 5).

  It also has an entry vehicle detector, an exit vehicle detector, a waiting time information provider, and a parking waiting number detection sensor that monitors the currently parked vehicle and inputs the result to the waiting time information provider. As the time information provider, a parking lot waiting time information providing device that measures a parking waiting time based on a signal detected by an entrance vehicle detector and a signal detected by an exit vehicle detector has been proposed (see Patent Document 6).

  In addition, a parking lot management system that manages the full / empty parking lot and provides information to the user while utilizing the advantages of the ETC system has been proposed. This parking lot management system includes a DSRC roadside device that is installed in a parking lot and performs two-way wireless communication with a vehicle-mounted device, a CCTV camera that takes image data of a parking lot, and a parking lot based on the image data. An image processing device that determines whether or not a car is parked in all parking spaces of the vehicle, and the gate opening and closing of the parking lot and the parking lot use time without stopping the vehicle by wireless communication performed between the roadside device and the vehicle-mounted device And a parking lot management server that provides information on the parking space determined by the image processing device as message information for the vehicle-mounted device to the vehicle-mounted device by wireless communication from the DSRC roadside device. (See Patent Document 7).

  Furthermore, a technique for calculating the passage route based on traffic information detected by a probe car or the like has been proposed (see, for example, Patent Documents 8 and 9).

JP 2001-330462 A JP 2003-242599 A Japanese Patent Laid-Open No. 10-154299 Japanese Patent Laid-Open No. 9-120486 JP 2003-281684 A Japanese Patent Laid-Open No. 11-312297 JP 2003-58925 A JP 2002-342884 A JP 2002-342893 A

  In order to detect the presence or absence of vehicles waiting to enter facilities such as parking lots as described above and the end position of the queue, a number of detectors can be installed at predetermined intervals along the road where the queue can be queued, It is necessary to install a plurality of monitor cameras. However, such a system configuration requires a large amount of equipment and is difficult to actually install on the road.

  The present invention has been made in view of the above circumstances, and is an information collection device and information collection device that can acquire a traveling locus of a vehicle with simple equipment and collect information related to admission vehicles such as queue information of the facility. It aims to provide a method.

The information collection device of the present invention includes a communication unit that performs road-to-vehicle communication with an in-vehicle device of a vehicle entering a facility, and a travel path collection unit that collects a travel path supplied from the vehicle side by the road-to-vehicle communication. And information generation means for generating admission vehicle related information to the facility based on the travel locus.
This makes it possible to collect vehicle travel information such as information on a queue to the facility based on the travel track, for example, by collecting the travel track of the vehicle at the entrance of the facility.

Further, as one aspect of the present invention, in the above information collection device, the information generation unit includes a queue information generation unit that generates information about a queue for the facility, and includes a queue path and a queue Information including at least one of the tail position and the waiting time in the queue is generated.
Thereby, it is possible to specify the queue route, the end position of the queue, the waiting time in the queue, and the like from the traveling locus of the vehicle entering the facility, and use it for displaying the queue information.

Moreover, as one aspect of the present invention, in the information collection device described above, the information generation unit includes a departure point information generation unit that generates information regarding a departure point of a vehicle entering the facility.
In this way, the departure location of the vehicle is identified from the travel locus of the vehicle entering the facility, and used for analysis of the distribution of the departure area of the facility user, use of the analysis result, display of the departure location information, etc. Is possible.

Moreover, as one aspect of the present invention, in the information collection device described above, the information generation unit includes a travel route information generation unit that generates information on a travel route of a vehicle entering the facility.
As a result, it is possible to identify the travel route of the vehicle from the travel trajectory of the vehicle entering the facility and use it for analyzing the visit route of the facility user, using the analysis result, displaying the route information, etc. Become.

The information collecting method according to the present invention includes a step of performing road-to-vehicle communication with an in-vehicle device of a vehicle entering a facility to collect a traveling locus of the vehicle, and information on entering vehicle to the facility based on the traveling locus. Generating.
This makes it possible to collect the travel trajectory of the vehicle, for example, at the entrance of the facility, and to generate and use the entry vehicle related information such as information on the queue to the facility based on the travel trajectory.

Further, as one aspect of the present invention, in the information collection method described above, as the admission vehicle related information, a queue path, a queue end position, and a waiting time in the queue relating to a queue for the facility Information including at least one of the above is generated.
As a result, the route of the queue, the end position of the queue, the waiting time in the queue, and the like can be specified from the travel locus of the vehicle entering the facility, and used for displaying the queue information.

Moreover, as one aspect of the present invention, in the information collection method described above, information regarding a departure place of a vehicle entering the facility is generated as the entry vehicle related information.
In this way, the departure location of the vehicle is identified from the travel locus of the vehicle entering the facility, and used for analysis of the distribution of the departure area of the facility user, use of the analysis result, display of the departure location information, etc. Is possible.

Moreover, as one aspect of the present invention, in the information collection method described above, information related to a travel route of a vehicle entering the facility is generated as the entry vehicle related information.
As a result, it is possible to identify the travel route of the vehicle from the travel trajectory of the vehicle entering the facility and use it for analyzing the visit route of the facility user, using the analysis result, displaying the route information, etc. Become.

  According to the present invention, it is possible to provide an information collecting apparatus and an information collecting method capable of acquiring a traveling locus of a vehicle with simple equipment and collecting information on admission vehicles such as queue information of facilities.

  In the present embodiment, an information collection system that collects information on travel tracks from vehicles entering at parking lots, shopping centers and other stores, amusement facilities such as amusement parks, and entrances of various facilities such as parking lots attached thereto. The example of a structure is shown.

  FIG. 1 is a diagram showing a schematic configuration of an information collection system according to an embodiment of the present invention. The information collection system 1 includes an information collection roadside device 10, an information collection device 20, an information analysis device 30, and an information provision device 40.

  The information collection roadside machine 10 is installed at the entrance of a facility (such as a parking lot attached to the facility). The information collecting roadside device 10 includes a wireless communication device having a function of a communication means for performing short-range communication by DSRC (Dedicated Short Range Communication), for example, as road-to-vehicle communication using light and radio waves. Data communication is performed with the in-vehicle device. The vehicle 50 has a function of accumulating traveling trajectories and the like. The vehicle 50 transmits data 51 when road-to-vehicle communication is possible with the information collecting roadside machine 10. In addition, you may make it provide the function etc. which perform the charge payment of a facility using this radio | wireless communication apparatus.

  FIG. 2 is a diagram illustrating an example of data transmitted from the vehicle 50 to the information collecting roadside device 10. The data 51 includes header data, latitude / longitude data of a position where the vehicle is keyed on (engine turned on), and spatiotemporal travel locus data. The travel locus data may be encoded and data compressed based on a predetermined algorithm. The amount of communication can be reduced by data compression. Data received by the information collecting roadside device 10 is supplied to the information collecting device 20.

  The information collection device 20 has functions of a traveling locus collection unit and an information generation unit, specifies a vehicle based on identification information included in the header data, and stores the vehicle in a storage unit in the information collection device 20. The latitude / longitude data of the position where the key is turned on is registered as the departure point of the vehicle. In addition, the information collection device 20 obtains a travel route of the vehicle based on the travel locus data, and obtains a waiting section and a waiting time for entering the facility. Then, the information collection device 20 registers the obtained travel route in the storage unit with a correspondence with the vehicle. In addition, the information collection device 20 registers the queue section and the waiting time in the storage unit in association with the date and time and the day of the week.

  The admission vehicle related information such as the queue information is supplied to the information providing device 40. The information providing device 40 provides admission vehicle related information including information such as the queue section and the waiting time to a traffic information providing organization or the like. Moreover, the information provision apparatus 40 can also provide admission vehicle related information via networks, such as the internet. In addition, the information providing device 40 can provide entrance vehicle related information to a facility information display board or the like installed on the roadside by the facility operator, and can display a queue section and a waiting time.

  The information analysis device 30 analyzes the traveling route of the facility visiting vehicle (from which direction there are many vehicles coming) and the distribution of the starting point based on the information related to the entering vehicle such as the traveling route information and the starting point information. Do. Knowing the main driving route to the facility can be helpful when setting up a signboard or advertising signboard or when setting up a detour sign so that there is no interrupting vehicle. Knowing the distribution of departure points can be helpful when issuing newspaper inserts.

  FIG. 3 is a diagram showing a specific configuration example of the information collection system according to the embodiment of the present invention. The vehicle-mounted device 60 of the vehicle 50 includes a vehicle position determination unit 63 that detects the vehicle position using position information based on the GPS signal received by the GPS reception unit 61 and direction information of the gyro 62, and a sensor A64 that detects the speed. Sensor information collection unit 65 that collects the measurement information of the vehicle, a travel locus measurement information storage unit 66 that accumulates the travel locus and measurement information of the vehicle, and a travel locus transmission that transmits the data accumulated in the travel locus measurement information storage unit 66. Part 67. In addition, an encoding processing unit 68 is provided between the traveling locus measurement information storage unit 66 and the traveling locus transmission unit 67, and the data accumulated in the encoding processing unit 68 is compressed and transmitted to reduce the amount of communication. It is good also as a structure.

  The information collecting roadside machine 10 includes a travel locus receiving unit 11. The information collection device 20 includes an encoded data decoding unit 21 that decodes received data compressed by encoding, and a travel route specifying unit (travel route information) that specifies a travel route based on the travel locus of the data source vehicle. 22 having a function of generating means), a departure area specifying unit (having a function of starting point information generating means) 23 for specifying a departure area for specifying a departure place based on the latitude and longitude of the position where the vehicle is keyed on, and the vehicle A queue specifying unit (having a function of queue information generating means) 24 that specifies a queue based on the travel locus and the speed information. Entry information related to the vehicle, such as queue information generated by the queue specifying unit 24, departure point information generated by the departure region specifying unit 23, and travel route information generated by the travel route specifying unit 22, The information is distributed to the traffic information utilization device 70 such as a car navigation device, a mobile phone terminal, a portable information terminal, a personal computer, etc. In the traffic information utilization apparatus 70, based on the information on the tail position and waiting time of the provided queue, the status of the queue to the target facility, the display of the tail position and the waiting time, the route search to the target facility, Route guidance by voice, etc., analysis of the direction of visit to the target facility, analysis of the regional distribution of visitors, etc. are performed.

  FIG. 4 is a flowchart showing the operation of the in-vehicle device in the present embodiment. The in-vehicle device 60 measures the current position and time for every fixed distance, and accumulates the travel locus (step S1). Note that the in-vehicle device 60 may accumulate the current position at regular time intervals. The in-vehicle device 60 determines whether or not it is a transmission timing, that is, whether or not communication with the information collecting roadside device 10 occurs (step S2), and the travel locus data is accumulated in step S1 until the transmission timing is reached. When the transmission timing comes in step S2, the accumulated traveling locus is subjected to data compression processing or the like to convert it into a transmission format (step S3), and the traveling locus data is transmitted to the information collecting roadside machine 10 (step S4). .

  FIG. 5 is a flowchart showing the operation of the information collection system in this embodiment. The traveling locus data transmitted from the in-vehicle device 60 is received by the traveling locus receiving unit 11 of the information collecting roadside device 10 and sent to the information collecting device 20 (step S11), and the encoded data decoding unit of the information collecting device 20 is received. The travel locus data is decoded at 21 (step S12). Then, the queue identification unit 24 determines that the section where the vehicle speed is slow from the facility entrance is the facility queue section, and identifies the route including the queue extension direction and the end position (step S13). In addition, the queue specifying unit 24 obtains a waiting time from the queue end position to the facility entrance (step S14).

  Then, the travel route specifying unit 22 analyzes the route and direction through which the vehicle that reaches the queue to the facility has passed, using the travel locus further upstream than the queue section (step S15). Moreover, the departure area specific | specification part 23 specifies a departure area based on the latitude longitude of the position where the vehicle keyed on (step S16). Then, the generated queue information, travel route information, departure point information, and the like are provided to the traffic information utilization device 70 via the information provision device 40, and the collected information is utilized (step S17). Thereby, the tail position of the queue and the average waiting time of the queue can be provided, and the travel route and departure point information of the visiting vehicle can be used for facility management and the like.

  FIG. 6 is a diagram illustrating the operation of the queue specifying unit 24. At the entrance (here, the parking lot entrance) 81 of the facility (here, the parking lot) 81, the travel locus data provided from the vehicle is collected to the installed information collecting roadside machine 10. The queue identification unit 24 determines a section where the vehicle speed is slow (for example, 30 km / h or less) upstream from the parking lot entrance 81 as a parking lot waiting congestion section, based on the collected traveling track speed data. Specify the queue end position. In addition, the trajectory of this queue is extracted.

  FIG. 7 is a diagram illustrating a specific example of a facility queue and a travel locus to the queue. At the parking lot entrance, this vehicle has entered from the intersection near the parking lot entrance by analyzing the running locus of the vehicle based on the traveling locus data transmitted from the vehicle 50 to the information collecting roadside machine 10, Because there is a queue, it turns out that it went around the parking lot, queued up, and then entered.

  FIG. 8 is a diagram showing a first example of utilization of collected information. In this first example, information on the waiting time at the entrance of the facility (parking lot), the end of the queue, and the direction of entry into the queue is provided based on the queue information generated by the queue specifying unit 24. The traffic information utilization device 70 is applied to a car navigation device mounted on a vehicle. As shown in FIG. 8, in the display unit of the car navigation device, the positions of the three parking lots P1, P2, and P3 are displayed on the road map, and the entrance position for each of the parking lots P1, P2, and P3, The queue shape, the end position of the queue, the average waiting time until the parking lot entrance, and the traveling direction until reaching the queue (direction of entering the queue) are displayed. Using this provided information, the driver of the vehicle can refer to determinations such as determination of a target parking lot when entering the parking lot, setting of an approach route, and the like.

  FIG. 9 is a diagram showing a second example of collection information utilization. This second example is an example in which the direction of arrival of the vehicle is analyzed based on the travel route information generated by the travel route specifying unit 22, and as the traffic information utilization device 70, the information analysis device 30 in FIG. This is applied to the information processing terminal. FIG. 9 shows the number of vehicles coming to the parking lot P as a result of the analysis of the direction of arrival of the vehicle. The image information is displayed on the display unit of the information processing terminal. Here, the thicker the line, the greater the number of vehicles coming to the parking lot, and the arrow indicates the direction of arrival. Information on the analysis result of the direction of the vehicle and the number of visitors can be used for examining the installation position of the signboard.

  FIG. 10 is a diagram illustrating a third example of utilization of collected information. This third example is an example in which a visitor's area analysis is performed based on the departure place information generated by the departure area specifying unit 23. As the traffic information utilization apparatus 70, the information analysis apparatus 30 in FIG. This is applied to information processing terminals. FIG. 10 shows the area analysis result of the visitors as a result of dividing the surrounding area of the parking lot P into predetermined areas by main roads and administrative divisions, and dividing the number of visitors into three stages. This image information is displayed on the display unit of the information processing terminal. Information on the results of analyzing the regional distribution of visitors and the number of visitors can be used for advertising such as flyers. Further, the number of visitors per unit population may be obtained and displayed.

  The information collection system 1 transmits a travel locus transmission request from the information collection roadside device 10 to the in-vehicle device 60 when communication with the in-vehicle device 60 becomes possible, and the in-vehicle device 60 transmits the travel locus. If the setting is permitted, the travel locus may be automatically transmitted. Further, the information collection system 1 may give a privilege such as discounting a parking fee for the provision of the travel locus.

  As described above, according to the present embodiment, information on the queue, the tail position of the queue, the waiting time, etc., as information on the entrance queue to the facility, based on the travel locus provided from the vehicle side. Can be collected. In addition, it is possible to collect information on the travel route and departure place of the visiting vehicle. Using these collected information, display the status of the queue to the target facility, the last position and waiting time, route search to the target facility, route guidance by voice, etc., analysis of the direction of arrival to the target facility, visitors It can be used to analyze the regional distribution of the city.

  The present invention has the effect that it is possible to acquire a traveling locus of a vehicle with simple equipment and collect information related to the entering vehicle such as queue information of the facility, and information such as the traveling locus from the vehicle entering the facility. It is useful for an information collecting apparatus and an information collecting method for collecting information.

The figure which shows schematic structure of the information collection system which concerns on embodiment of this invention The figure which shows an example of the data transmitted to a information collection roadside machine from a vehicle in this embodiment. The figure which shows the specific structural example of the information collection system which concerns on embodiment of this invention. The flowchart which shows operation | movement of the vehicle equipment in this embodiment The flowchart which shows operation | movement of the information collection system in this embodiment. The figure which shows operation | movement of the queue specific | specification part in this embodiment. The figure which shows one specific example of the driving | running | working locus | trajectory to the facility queue and queue in this embodiment The figure which shows the 1st example of collection information utilization in this embodiment. The figure which shows the 2nd example of collection information utilization in this embodiment. The figure which shows the 3rd example of collection information utilization in this embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Information collection system 10 Information collection roadside machine 11 Travel track receiving part 20 Information collection apparatus 21 Encoded data decoding part 22 Travel route specific part 23 Departure area specific part 24 Queue specific part 30 Information analysis apparatus 40 Information provision apparatus 50 Vehicle 60 In-vehicle device 70 Traffic information utilization device

Claims (8)

A communication means for performing road-to-vehicle communication with an in-vehicle device of a vehicle entering the facility
Traveling locus collection means for collecting a traveling locus supplied from the vehicle side by the road-to-vehicle communication;
Information generating means for generating admission vehicle related information to the facility based on the traveling locus;
An information collecting apparatus comprising: The information collection device according to claim 1,
The information generating means includes queue information generating means for generating information related to a queue for the facility, and includes information including at least one of a queue route, a tail position of the queue, and a waiting time in the queue. Information collection device to be generated. The information collection device according to claim 1,
The information generation device includes a departure point information generation unit that generates information regarding a departure point of a vehicle entering the facility. The information collection device according to claim 1,
The information collection device includes a travel route information generation unit that generates information on a travel route of a vehicle entering the facility. Collecting road traces of the vehicle by performing road-to-vehicle communication with an in-vehicle device of the vehicle entering the facility;
Generating admission vehicle related information to the facility based on the travel locus;
A method for collecting information. The information collection method according to claim 5,
An information collecting method for generating information including at least one of a queue route, a queue end position, and a waiting time in a queue related to a queue for the facility as the admission vehicle related information. The information collection method according to claim 5,
The information collection method which produces | generates the information regarding the departure place of the vehicle which enters the said facility as said entrance vehicle related information. The information collection method according to claim 5,
The information collection method which produces | generates the information regarding the travel route of the vehicle which enters the said facility as said entrance vehicle related information.

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