JP2020052454A - Pedestrian device, on-vehicle device, information collecting system, and information collecting method - Google Patents

Abstract

To make it possible to efficiently collect information necessary for supporting the passing of a to-be-supported person.SOLUTION: A pedestrian terminal determines whether or not an owner pedestrian is in a passing delay state based on current moving state information of the owner pedestrian when the owner pedestrian is a to-be-supported person. When the owner pedestrian is in the passing delay state, a message of a passing delay notification including the pedestrian information about the owner -pedestrian is transmitted to an on-vehicle terminal or a roadside device through ITS communications, and through the on-vehicle terminal or the roadside device, the pedestrian information is transmitted to an administrative server. In particular, by determining whether or not the owner pedestrian takes a dangerous action, a message is transmitted including notification-identifying information for identifying a notification that the owner pedestrian takes the dangerous action and a notification that the owner pedestrian is in the passing delay state.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a pedestrian device possessed by a pedestrian, an in-vehicle device mounted on a vehicle, an information collection system and an information collection method for collecting information on a traffic situation of a pedestrian passing on a road.

  If there are stairs, steep hills, or steps on the road, the elderly and wheelchair users may take a very long time to pass. Therefore, providing elderly people and wheelchair users as support subjects to the support subject in advance and providing information on places where it takes time to pass traffic, and guiding them to the route excluding places where they take time to pass, The target person can pass smoothly.

  As a technique for supporting the traffic of such a support target, a server collects attribute information for identifying whether or not the pedestrian is the support target together with the pedestrian's position information, and A technique is known that compares a moving situation with a pedestrian and identifies a place where inconvenience occurs in the traffic of a pedestrian corresponding to the support target based on the difference between the two (see Patent Document 1). ).

JP 2010-210471 A

  By the way, in the above-mentioned conventional technology, it is possible to specify a place where it takes time to pass the traffic, and to provide the information to the support target so that the support target can pass smoothly. Since pedestrian information is collected and analyzed, there is a problem that a processing load and a communication load are large, and a technique for efficiently collecting information necessary to support the passage of a support target person is desired.

  Therefore, an object of the present invention is to provide a pedestrian device, an in-vehicle device, an information collection system, and an information collection method capable of efficiently collecting information necessary to support the traffic of a support target person. I do.

  The pedestrian device of the present invention is a pedestrian device possessed by a pedestrian, based on a communication unit that transmits and receives information between an in-vehicle device and a server device, and based on information that is transmitted and received with the in-vehicle device. A control unit that determines a danger of a collision and controls alerting to the pedestrian; and wherein the control unit includes information on a current traveling state of the pedestrian when the pedestrian is a support target. Based on the, determine whether the pedestrian is in a traffic delay state, and if the pedestrian is in a traffic delay state, transmit pedestrian information about the pedestrian to the server device. .

  Further, the in-vehicle device of the present invention is an in-vehicle device mounted on a vehicle, and a communication unit that transmits and receives information to and from a pedestrian device and a server device; A control unit that determines a danger of a collision based on the information, and controls alerting to a driver of the own vehicle. Based on the current traveling state information of the vehicle, determines whether or not the own vehicle is in a driving delay state, and when the own vehicle is in a driving delay state, transmits vehicle information about the own vehicle to the server device And

  Further, the information collection system of the present invention is an information collection system that collects information on a traffic situation of a pedestrian passing on a road, and includes a pedestrian device possessed by the pedestrian, and information collected from the pedestrian device. A server device for managing the pedestrian device, wherein the pedestrian device has a communication unit that transmits and receives information between the in-vehicle device and the server device, and a risk of collision based on the information that is transmitted and received to and from the in-vehicle device. And a control unit that controls alerting to the pedestrian, comprising, when the own pedestrian is a support target person, based on the current traveling state information of the own pedestrian, It is determined whether or not the own pedestrian is in the traffic delay state, and if the own pedestrian is in the traffic delay state, pedestrian information on the own pedestrian is transmitted to the server device.

  Further, the information collecting method of the present invention is an information collecting method for collecting information on a traffic situation of a pedestrian who passes on a road, the information being collected by a pedestrian, transmitting / receiving information to / from an in-vehicle device, and causing a collision. A pedestrian device that determines the danger and alerts the pedestrian when the pedestrian is a support target person. It is determined whether or not the pedestrian is in a state, and if the pedestrian is in a traffic delay state, pedestrian information regarding the pedestrian is transmitted to the server device.

  ADVANTAGE OF THE INVENTION According to this invention, in a server apparatus, the information of the place where a support target person takes time to pass can be efficiently collected as information required to support the traffic of a support target person.

Overall configuration diagram of the communication system according to the first embodiment Explanatory diagram showing an overview of information collection in the communication system according to the first embodiment FIG. 2 is a block diagram illustrating a schematic configuration of the pedestrian terminal 1 according to the first embodiment. FIG. 2 is a block diagram showing a schematic configuration of the vehicle-mounted terminal 3 according to the first embodiment. FIG. 2 is a block diagram illustrating a schematic configuration of the roadside device 5 according to the first embodiment. FIG. 2 is a block diagram illustrating a schematic configuration of a management server 6 according to the first embodiment. Explanatory drawing showing the contents of a message transmitted from pedestrian terminal 1 according to the first embodiment. Flow chart showing the operation procedure of the pedestrian terminal 1 according to the first embodiment Block diagram showing a schematic configuration of a pedestrian terminal 1 according to the second embodiment. Explanatory drawing showing the contents of a message transmitted from pedestrian terminal 1 according to the second embodiment. Explanatory drawing showing the contents of a message transmitted from pedestrian terminal 1 according to the third embodiment. Block diagram showing a schematic configuration of a pedestrian terminal 1 according to a fourth embodiment. Flow chart showing the operation procedure of the pedestrian terminal 1 according to the fourth embodiment. Block diagram showing a schematic configuration of a pedestrian terminal 1 according to a fifth embodiment. Flow chart showing the operation procedure of the pedestrian terminal 1 according to the fifth embodiment. Flow chart showing the operation procedure of the pedestrian terminal 1 according to the sixth embodiment. Flow chart showing the operation procedure of the management server 6 according to the sixth embodiment Explanatory diagram showing the contents of a message transmitted from pedestrian terminal 1 according to the seventh embodiment Flow chart showing the operation procedure of the pedestrian terminal 1 according to the seventh embodiment. Flow chart showing the operation procedure of the pedestrian terminal 1 according to the eighth embodiment. Block diagram showing a schematic configuration of a pedestrian terminal 1 according to the ninth embodiment. Overall configuration diagram of a communication system according to a tenth embodiment

  A first invention made to solve the above-mentioned problem is a pedestrian device carried by a pedestrian, wherein a communicator for transmitting and receiving information between an in-vehicle device and a server device is provided between the pedestrian device and the in-vehicle device. A control unit that determines the danger of a collision based on the information transmitted and received in the pedestrian, and controls alerting to the pedestrian. Based on the current traveling state information of the pedestrian, determines whether or not the pedestrian is in a traffic delay state. If the pedestrian is in a traffic delay state, the pedestrian information regarding the pedestrian is stored in the server. It is configured to transmit to the device.

  According to this, the server device can efficiently collect information of a place where the support target takes time to pass as information necessary to support the traffic of the support target.

  In a second aspect, the communication unit communicates with the in-vehicle device through inter-vehicle communication, and the control unit transmits a message including the pedestrian information from the communication unit to the in-vehicle device. I do.

  According to this, the pedestrian information can be transmitted to the server device via the in-vehicle device.

  In a third aspect of the present invention, the communication unit communicates with the roadside device through inter-roadwalk communication, and the control unit transmits a message including the pedestrian information from the communication unit to the roadside device. I do.

  According to this, the pedestrian information can be transmitted to the server device via the roadside device.

  Further, in the fourth invention, the control unit determines whether or not the self-pedestrian has taken a dangerous action, and notifies the self-pedestrian that the dangerous action has taken a risky action, and The communication unit transmits a message including notification identification information for identifying the notification of the presence.

  According to this, when transmitting a message of pedestrian communication (communication between road steps), it is possible to avoid that the message of the traffic delay notification and the message of the dangerous behavior notification are confused.

  In a fifth aspect, the control unit determines whether or not the self-pedestrian is in a long standing state, and when the self-pedestrian is in a long standing state, the control unit is in a long standing state. Information to the effect that the information is added to the pedestrian information and transmitted to the server device.

  According to this, when the pedestrian is in a state of staying for a long time, there is a high possibility that the pedestrian is in a state of being unable to move due to poor physical condition, so that the pedestrian can be used for watching a support target person such as an elderly person.

  In a sixth aspect of the present invention, the control unit is configured to add information on whether or not the own pedestrian is a foreigner to the pedestrian information and transmit the information.

  According to this, information on pedestrians who are foreigners can be collected. As a result, the analysis results can be used for guidance for foreigners.

  In a seventh aspect, the control unit does not transmit the pedestrian information to the server device even when the own pedestrian is in a traffic delay state, when the current position is a predetermined notification exclusion point. Configuration.

  According to this, when the pedestrian is in a waiting state at a predetermined place (for example, a bus stop), the pedestrian information is not transmitted to the server device. The case can be excluded from the analysis target to improve the analysis accuracy.

  In an eighth aspect, the control unit does not transmit the pedestrian information to the server device even when the pedestrian is in a traffic delay state, when there is a registrant near the pedestrian. Configuration.

  According to this, if there is an acquaintance in the vicinity of the pedestrian and it is assumed that the pedestrian is walking slowly while talking to the acquaintance, the pedestrian information is not transmitted to the server device. The case where the traffic is delayed due to unrelated circumstances can be excluded from the analysis target to improve the analysis accuracy.

  In a ninth invention, the control unit is configured such that, when the self-pedestrian is the support target person and is not in the traffic delay state, the current position of the self-pedestrian is in the past when the support target person is in the traffic delay state. In the case where the pedestrian information coincides with the changed point, the pedestrian information including the attribute information of the pedestrian is transmitted to the server device with the pedestrian as a comparison target.

  According to this, in the server device, among the pedestrians corresponding to the support target, information of a pedestrian who has been in a traffic delay state and information of a pedestrian who has not been in a traffic delay state (a comparison target person) Since the traffic can be collected, the cause of the traffic delay can be analyzed according to the attribute of the pedestrian.

  According to a tenth aspect, the control unit is configured to, when the own pedestrian is not in the traffic delay state, when the current position of the own pedestrian matches a point where the support target person has been in the traffic delay state in the past. Is configured to transmit the pedestrian information to the server device, with a pedestrian being a comparison target person.

  According to this, the server device can collect information on the pedestrian who is in the traffic delay state in the support target person and information on general pedestrians other than the support target person. And the accuracy of the determination of the traffic delay state can be enhanced.

  An eleventh invention is configured such that the control unit determines whether or not the own pedestrian is in a traffic delay state based on a moving distance per a predetermined time as the moving state information.

  According to this, it is possible to accurately determine the traffic delay state of the pedestrian.

  Further, the twelfth invention further includes at least one of an environment sensor, a motion sensor, and a living body sensor, and the control unit is configured to perform an operation based on the movement state information and a detection result of the sensor. It is configured to determine whether the pedestrian is in a traffic delay state.

  According to this, it is possible to accurately determine the traffic delay state of the pedestrian.

  A thirteenth invention is an in-vehicle device mounted on a vehicle, based on a communication unit that transmits and receives information to and from a pedestrian device and a server device, based on information that is transmitted and received to and from the pedestrian device. A control unit that determines the danger of a collision and controls the alerting of the driver of the own vehicle, and the control unit, when the driver of the own vehicle is a support target person, Based on the current traveling state information, determine whether the own vehicle is in a driving delay state, and when the own vehicle is in a driving delay state, transmit vehicle information about the own vehicle to the server device; I do.

  According to this, in the server device, information on a place where the support target person takes time to drive can be efficiently collected as information necessary for supporting the support target person's driving.

  Further, a fourteenth invention is an information collection system for collecting information on a traffic situation of a pedestrian who passes on a road, and manages a pedestrian device carried by the pedestrian and information collected from the pedestrian device. A server device, wherein the pedestrian device determines a risk of collision based on information transmitted and received between the in-vehicle device and the communication unit that transmits and receives information between the in-vehicle device and the server device. And a control unit that controls alerting to the pedestrian. The control unit, when the pedestrian is the support target, performs self-walking based on the current moving state information of the pedestrian. It is determined whether or not the pedestrian is in a traffic delay state, and if the pedestrian is in a traffic delay state, pedestrian information on the pedestrian is transmitted to the server device.

  According to this, similarly to the first invention, it is possible to efficiently collect information necessary to support the traffic of the support target person.

  Further, a fifteenth invention is an information collecting method for collecting information relating to a traffic situation of a pedestrian who passes on a road, the information being collected by a pedestrian and transmitting / receiving information to / from a vehicle-mounted device. The pedestrian device that alerts the pedestrian by determining whether the self-pedestrian is the support target person, based on the current traveling state information of the self-pedestrian, causes the self-pedestrian to be in a traffic delayed state. It is determined whether or not the pedestrian is present, and if the pedestrian is in a traffic delay state, pedestrian information regarding the pedestrian is transmitted to the server device.

  According to this, similarly to the first invention, it is possible to efficiently collect information necessary to support the traffic of the support target person.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(1st Embodiment)
FIG. 1 is an overall configuration diagram of a communication system according to the first embodiment.

  This communication system includes a pedestrian terminal 1 (pedestrian device) and a portable information terminal 2 carried by a pedestrian, an in-vehicle terminal 3 (in-vehicle device) and a car navigation 4 (route guidance device) mounted on a vehicle, and a roadside device. It comprises a device 5 (roadside device) and a management server 6 (server device).

  Communication between pedestrians is performed between the pedestrian terminal 1 and the in-vehicle terminal 3, and communication between roads is performed between the pedestrian terminal 1 and the roadside device 5. Road-to-vehicle communication is performed between the roadside device 5 and the on-board terminal 3. The pedestrian-to-vehicle communication, road-to-road communication and road-to-vehicle communication are similar ITS wireless communication, and messages based on a common specification (data configuration) are transmitted and received. This ITS communication uses a radio frequency band (for example, a 700 MHz band, a 5.8 GHz band, a 5.9 GHz band) employed in a safe driving support wireless system using an ITS (Intelligent Transport System). Communication. Further, although the message is transmitted by broadcast, information for a specific device can be transmitted by adding the identification information (terminal ID) of the destination device to the message.

  The pedestrian terminal 1 transmits and receives a message including position information and the like to and from the on-board terminal 3 by ITS communication (inter-vehicle communication), and determines the risk of collision between the pedestrian and the vehicle. In the present embodiment, the pedestrian terminal 1 transmits a message including pedestrian information to the in-vehicle terminal 3 and the roadside device 5 in order to provide the pedestrian information to the management server 6.

  The mobile information terminal 2 is a smartphone, a mobile phone, a tablet terminal, a wearable terminal, or the like. The portable information terminal 2 is connected to the pedestrian terminal 1 and performs an operation of alerting the pedestrian (for example, voice output or vibration output) in accordance with an instruction from the pedestrian terminal 1. In addition, the pedestrian terminal 1 and the portable information terminal 2 may be integrated as a single device.

  The in-vehicle terminal 3 transmits and receives a message including position information and the like to and from the pedestrian terminal 1 by ITS communication (inter-vehicle communication), and determines the risk of collision between the pedestrian and the vehicle. In this embodiment, the in-vehicle terminal 3 is connected to the management server 6 via the base station 7 for cellular communication and the wide area network, and relays information exchange between the pedestrian terminal 1 and the management server 6. Then, the information of the pedestrian received from the pedestrian terminal 1 is transmitted to the management server 6.

  The car navigation system 4 provides route guidance to the driver. The car navigation system 4 is connected to the vehicle-mounted terminal 3 and performs a warning operation (for example, voice output or screen display) for the driver in accordance with an instruction from the vehicle-mounted terminal 3. Note that the in-vehicle terminal 3 and the car navigation 4 may be integrated as a single device.

  The roadside device 5 is installed on a road, and distributes various information such as traffic information to the pedestrian terminal 1 and the vehicle-mounted terminal 3. Further, in the present embodiment, the roadside device 5 is connected to the management server 6 via the base station 7 for cellular communication and the wide area network, and relays the exchange of information between the pedestrian terminal 1 and the management server 6. Then, the information of the pedestrian received from the pedestrian terminal 1 is transmitted to the management server 6.

  The management server 6 collects and manages pedestrian information from the pedestrian terminal 1, and performs various analysis processes based on the pedestrian information.

  In the present embodiment, the exchange of information between the pedestrian terminal 1 and the management server 6 is relayed by the in-vehicle terminal 3 or the roadside device 5, but it is not necessary to relay both at the same time. On the other hand, it may be relayed. For example, if there is a roadside device 5 around the pedestrian terminal 1, the roadside device 5 is used, and if there is no roadside device 5 around the pedestrian terminal 1, the in-vehicle terminal 3 may be used.

  A configuration is also possible in which the exchange of information between the pedestrian terminal 1 and the management server 6 is not relayed by the in-vehicle terminal 3 or the roadside device 5. For example, the pedestrian terminal 1 may be equipped with cellular communication or wireless LAN functions, or the portable information terminal 2 may be equipped with cellular communication or wireless LAN functions.

  Next, information collection in the communication system according to the first embodiment will be described. FIG. 2 is an explanatory diagram illustrating an outline of information collection in the communication system.

  There are places on the road where the elderly and wheelchair users take a lot of time to pass due to stairs, steep hills and steps. In the present embodiment, in order to acquire information on such a place where it takes time to pass (traffic delay point), the pedestrian terminal 1 determines whether or not the pedestrian is in a state where it takes time to pass (traffic delay state). Then, when the vehicle is in a traffic delay state, the pedestrian information (position information, attribute information, and the like) regarding the pedestrian is transmitted to the management server 6.

  As a result, the management server 6 can collect pedestrian information of the pedestrian who has been in a traffic delay state, and based on the pedestrian information, a place where elderly people, wheelchair users, etc. take time to travel (traffic delay). By setting various points and performing various analyses, the analysis results can be used for a system that supports the traffic of the support target person. For example, by providing information of the traffic delay point to the support target person and guiding the support target person to a route excluding the traffic delay point, the smooth flow of the support target person can be ensured.

  In addition to the route guidance for the support target person, the present invention can be used. For example, it can be used to review bus stops and taxi stands. When the route to the bus stop or the taxi stand includes a traffic delay point, the bus stop or the taxi stand can be changed to a place where the route does not include the traffic delay point as much as possible.

  Note that guidance to the support target may be provided by the pedestrian terminal 1 or the portable information terminal 2, but digital signage installed on a road may be used.

  Next, a schematic configuration of the pedestrian terminal 1 according to the first embodiment will be described. FIG. 3 is a block diagram illustrating a schematic configuration of the pedestrian terminal 1.

  The pedestrian terminal 1 includes a positioning unit 11, an ITS communication unit 12 (inter-vehicle communication unit, road-walk communication unit), an input / output unit 13, a storage unit 14, and a control unit 15.

  The positioning unit 11 measures the position of the own device using a satellite positioning system such as GPS (Global Positioning System) and QZSS (Quasi-Zenith Satellite System), and acquires the position information (latitude, longitude) of the own device.

  The ITS communication unit 12 transmits and receives a message to and from the vehicle-mounted terminal 3 by ITS communication (inter-vehicle communication). The ITS communication unit 12 transmits and receives a message to and from the roadside device 5 by ITS communication (inter-sidewalk communication).

  The input / output unit 13 performs input / output of information with the portable information terminal 2. On the basis of the information output from the input / output unit 13, the portable information terminal 2 performs an operation of alerting the pedestrian.

  The storage unit 14 stores map information, programs executed by a processor constituting the control unit 15, and the like. In addition, the storage unit 14 stores the terminal ID of the own device and information on the attribute of the own pedestrian (pedestrian attribute information). The pedestrian attribute information is information indicating that the user is an elderly person, that the user is using a walking stick, and that the user is using a wheelchair.

  The control unit 15 includes a message control unit 21, a collision determination unit 22, a warning control unit 23, a dangerous behavior determination unit 24, a support target determination unit 25, and a traffic delay state determination unit 26. I have. The control unit 15 is configured by a processor, and each unit of the control unit 15 is realized by executing a program stored in the storage unit 14 by the processor.

  The message control unit 21 controls transmission and reception of messages between the in-vehicle terminal 3 and the roadside device 5. In the present embodiment, the content of the message is appropriately changed, and when the self-pedestrian enters the dangerous area, a normal message of the pedestrian communication is transmitted. An action notification message is transmitted, and when the pedestrian is in a traffic delay state, a traffic delay notification message is transmitted.

  The collision determination unit 22 has a risk that the vehicle will collide with the own pedestrian based on the position information of the own pedestrian obtained by the positioning unit 11 and the position information of the vehicle included in the message received from the in-vehicle terminal 3. It is determined whether or not there is.

  The alerting control unit 23 alerts the pedestrian according to the determination result of the collision determining unit 22. In the present embodiment, the portable information terminal 2 is controlled to cause the portable information terminal 2 to perform an operation of alerting the pedestrian (for example, voice output or vibration).

  The risky behavior determination unit 24 determines whether or not the pedestrian has performed a risky behavior on the road based on the position information of the self-pedestrian acquired by the positioning unit 11, the map information stored in the storage unit 14, and the like. I do. The dangerous behavior is a careless crossing of a road, for example, an action of crossing an intersection except at a green light, or an unreasonable crossing of a road, for example, an action of crossing a road other than a crosswalk.

  When the dangerous behavior determination unit 24 determines that the self-pedestrian has performed a dangerous behavior, the message control unit 21 generates a message of a dangerous behavior notification and transmits the message from the ITS communication unit 12.

  The support target person determination unit 25 determines whether the own pedestrian is the support target person based on the pedestrian attribute information stored in the storage unit 14. Here, the support target is a pedestrian for whom assistance such as route guidance is desired in order to take time to travel for some reason when traveling on a road, for example, elderly people, people with physical disabilities, and wheelchair users. Person.

  An operation for registering that the self-pedestrian is the support target is performed, and information indicating that the self-pedestrian is the support target is stored in the storage unit 14 as pedestrian attribute information. Is also good.

The traffic delay state determination unit 26 acquires the current traveling state information of the self-pedestrian based on the position information of the self-pedestrian acquired by the positioning unit 11, and based on the moving state information, It is determined whether or not it is in a state where it is taking time to pass (traffic delay state). Specifically, first, the moving distance (speed information) in the latest predetermined time (unit time) is calculated. Further, a standard value (for example, an average value) of the moving distance in a predetermined period in the past is calculated. Then, a value obtained by multiplying the standard value of the moving distance by a predetermined coefficient a (a × standard value) is used as a threshold value to determine whether the moving distance in the latest predetermined time is larger than the threshold value as in the following equation Is determined.
Moving distance> a × standard value Here, the coefficient a may be set as appropriate, but may be set to, for example, 0.5.

  When the traffic delay state determination unit 26 determines that the own pedestrian is in the traffic delay state, the message control unit 21 generates a traffic delay notification message and transmits it from the ITS communication unit 12.

  Next, a schematic configuration of the vehicle-mounted terminal 3 according to the first embodiment will be described. FIG. 4 is a block diagram illustrating a schematic configuration of the vehicle-mounted terminal 3.

  The in-vehicle terminal 3 includes a positioning unit 31, an ITS communication unit 32 (inter-vehicle communication unit), a cellular communication unit 33, an input / output unit 34, a storage unit 35, and a control unit 36.

  The positioning unit 31 measures the position of the own device using a satellite positioning system such as GPS or QZSS, and acquires the position information of the own device.

  The ITS communication unit 32 sends and receives messages to and from the pedestrian terminal 1 by ITS communication (inter-vehicle communication).

  The cellular communication unit 33 performs cellular communication with the base station 7. The cellular communication unit 33 can exchange information with the management server 6 via the base station 7 and the network.

  The storage unit 35 stores map information, a program executed by a processor included in the control unit 36, and the like.

  The control unit 36 includes a message control unit 41, a collision determination unit 42, an alert control unit 43, and a transfer control unit 44. The control unit 36 is configured by a processor, and each unit of the control unit 36 is realized by executing a program stored in the storage unit 35 by the processor.

  The message control unit 41 controls transmission and reception of messages with the pedestrian terminal 1.

  The collision judging unit 42 has a risk that the own vehicle collides with the pedestrian based on the position information of the own vehicle acquired by the positioning unit 31 and the pedestrian position information included in the message received from the pedestrian terminal 1. It is determined whether or not there is.

  The alerting control unit 43 alerts the driver of the vehicle according to the determination result of the collision determining unit 42. In the present embodiment, the car navigation 4 is controlled to cause the car navigation 4 to perform an operation of alerting the driver (for example, voice output or screen display). In addition, upon receiving the dangerous action notification message from the pedestrian terminal 1, the alert control unit 43 performs alert control for the driver.

  Upon receiving the traffic delay notification message transmitted from the pedestrian terminal 1, the transfer control unit 44 transmits information (traffic delay information) included in the traffic delay notification message from the cellular communication unit 33 to the management server 6. .

  In the present embodiment, the in-vehicle terminal 3 exchanges information with the management server 6 using cellular communication, but may use wireless LAN communication.

  Next, a schematic configuration of the roadside device 5 according to the first embodiment will be described. FIG. 5 is a block diagram illustrating a schematic configuration of the roadside device 5.

  The roadside device 5 includes an ITS communication unit 51 (an inter-vehicle communication unit), a cellular communication unit 52, a storage unit 53, and a control unit 54.

  The ITS communication unit 51 transmits and receives a message to and from the pedestrian terminal 1 by ITS communication (inter-road communication).

  The cellular communication unit 52 performs cellular communication with the base station 7. With this cellular communication unit 52, information can be exchanged with the management server 6 via the base station 7 and the network.

  The storage unit 35 stores a program executed by a processor constituting the control unit 36 and the like.

  The control unit 54 includes a message control unit 61 and a transfer control unit 62. The control unit 54 is configured by a processor, and each unit of the control unit 54 is realized by executing a program stored in the storage unit 53 by the processor.

  The message control unit 61 controls transmission and reception of messages with the pedestrian terminal 1.

  Upon receiving the traffic delay notification message transmitted from the pedestrian terminal 1, the transfer control unit 62 transmits information (traffic delay information) included in the traffic delay notification message from the cellular communication unit 52 to the management server 6. .

  In the present embodiment, the roadside device 5 exchanges information with the management server 6 using cellular communication, but may use wireless LAN communication. Further, a wired network may be used instead of the cellular communication.

  Next, a schematic configuration of the management server 6 according to the first embodiment will be described. FIG. 6 is a block diagram illustrating a schematic configuration of the management server 6.

  The management server 6 includes a communication unit 71, a storage unit 72, and a control unit 73.

  The communication unit 71 is connected to a network, and exchanges information with the vehicle-mounted terminal 3 and the roadside device 5 via the network and the base station 7 for cellular communication.

  The storage unit 72 stores a program executed by a processor constituting the control unit 73 and the like. Further, the storage unit 72 stores pedestrian information (such as position information and attribute information) collected from the pedestrian terminal 1.

  The control unit 73 includes a pedestrian information management unit 81, an analysis processing unit 82, and a system management unit 83. The control unit 73 is configured by a processor, and each unit of the control unit 73 is realized by executing a program stored in the storage unit 72 by the processor.

  The pedestrian information management unit 81 manages pedestrian information collected from the pedestrian terminal 1.

  The analysis processing unit 82 sets a place where the support target person takes time to pass (traffic delay point) based on the pedestrian information of the pedestrian who is in the traffic delay state, and performs various analyzes. This analysis result can be used for a system that supports the traffic of the support target person.

  The system management unit 83 manages the operation of each device constituting the communication system, and issues, for example, instructions to the pedestrian terminal 1 regarding various operations such as message transmission.

  In the present embodiment, the pedestrian terminal 1 determines the traffic delay state, but the management server 6 may determine the traffic delay state. In this case, the pedestrian terminal 1 of the pedestrian who is the support target may periodically transmit the position information to the management server 6.

  Alternatively, the management server 6 may distribute the dynamic map to the pedestrian terminal 1 or the vehicle-mounted terminal 3 assuming that the management server 6 manages the dynamic map (integrated map information). In this case, information on a pedestrian's traffic delay state or the like can be registered in the dynamic map as, for example, quasi-static information.

  In the dynamic map, various types of information are registered in a hierarchical manner according to the frequency of updating the information. Specifically, there are four layers of static information, quasi-static information, quasi-dynamic information, and dynamic information. The static information is information that is updated, for example, at intervals of about one month, and includes, for example, road surface information, lane information, and information on a three-dimensional structure. The quasi-static information is information updated at intervals of, for example, about one hour, and includes, for example, traffic regulation information, road construction information, wide-area weather information, and the like. The quasi-dynamic information is information that is updated at intervals of, for example, about one minute, and includes, for example, accident information, traffic congestion information, and narrow-range weather information. The dynamic information is information updated at intervals of, for example, about one second, and includes, for example, ITS pre-read information such as nearby vehicle information, pedestrian information, and signal information. This dynamic map is used to move the vehicle safely and quickly to a target point in automatic driving (autonomous driving, driving support).

  Next, a message transmitted from the pedestrian terminal 1 according to the first embodiment will be described. FIG. 7 is an explanatory diagram showing the contents of the message transmitted from the pedestrian terminal 1.

  In the pedestrian terminal 1, the message control unit 21 generates a message of ITS communication (inter-vehicle communication and inter-walk communication) and transmits the message from the ITS communication unit 12. This message is generated according to the format of the message of the ITS communication. The message has a common area for storing predetermined information and a free area (extended area) in which the user can store arbitrary information.

  The common area stores predetermined information such as a pedestrian ID (terminal ID of the pedestrian terminal 1) and position information (longitude and latitude) of the own device. In the present embodiment, pedestrian attribute information, notification identification information, and the like are stored in the free area.

  The pedestrian attribute information is information indicating that the user is an elderly person, that the user is using a walking stick, and that the user is using a wheelchair.

  The notification identification information is information for identifying whether the message is a dangerous action notification or a traffic delay notification when the in-vehicle terminal 3 or the roadside device 5 receives a message transmitted from the pedestrian terminal 1. When the pedestrian has performed dangerous behavior, the value is "0", and when the pedestrian is in a traffic delay state, the value is "1".

  Next, an operation procedure of the pedestrian terminal 1 according to the first embodiment will be described. FIG. 8 is a flowchart showing the operation procedure of the pedestrian terminal 1.

  In the pedestrian terminal 1, first, the positioning unit 11 acquires position information of the own pedestrian (ST101). Next, the dangerous behavior determination unit 24 determines whether or not the pedestrian has taken a dangerous behavior (ST102).

  Here, when the pedestrian takes a dangerous action (Yes in ST102), the message control unit 21 generates a message of a risky action notification and transmits it from the ITS communication unit 12 (ST103).

  On the other hand, if the self-pedestrian does not take any risky behavior (No in ST102), then, in the support target person determination unit 25, it is determined whether the self-pedestrian corresponds to the support target person (such as the elderly). Is determined (ST104).

  Here, when the pedestrian is the support target person (Yes in ST104), the traffic delay state determination unit 26 acquires the current traveling state information (ST105). Then, based on the current moving state information, it is determined whether or not the pedestrian is in a traffic delay state (ST106).

  Here, when the pedestrian is in the traffic delay state (Yes in ST106), the message control unit 21 generates a traffic delay notification message and transmits it from the ITS communication unit 12 (ST107).

  On the other hand, if the own pedestrian is not the support target person (No in ST104) or if the own pedestrian is not in the traffic delay state (No in ST106), no message is transmitted.

  When the in-vehicle terminal 3 or the roadside device 5 receives the traffic delay notification message from the pedestrian terminal 1, the information included in the message, that is, the pedestrian ID, the position information (longitude, latitude), the pedestrian attribute information The information is transmitted to the management server 6 as traffic delay information (such as using a cane).

(2nd Embodiment)
Next, a second embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the above-described embodiment, when the pedestrian corresponding to the support target is in a traffic delay state, the information of the pedestrian is provided to the management server 6. If they do not move, they will be in a traffic delay state. In particular, when a pedestrian stays at a certain place for a long time, there is a high possibility that the pedestrian cannot move from the place due to poor physical condition.

  Therefore, in the present embodiment, when a pedestrian stays in the same place for a long time, information to that effect is provided to the management server 6. Specifically, a message of a traffic delay notification is added with staying state information indicating that the own pedestrian has been staying for a long time, and transmitted. As a result, the management server 6 can collect information on the pedestrians staying for a long time, and by providing this information to the guardian (family, etc.) of the support target, the support target such as the elderly It can be used for watching over.

  Next, a schematic configuration of the pedestrian terminal 1 according to the second embodiment will be described. FIG. 9 is a block diagram illustrating a schematic configuration of the pedestrian terminal 1.

  The control unit 15 of the pedestrian terminal 1 includes a staying state determination unit 27. Others are the same as the first embodiment (see FIG. 3).

  The staying state determination unit 27 determines whether or not the own pedestrian has stayed for a long time based on the position information of the own pedestrian acquired by the positioning unit 11, that is, whether or not the pedestrian has stayed at a certain place for a long time. Is determined. Specifically, when the self-pedestrian stays at the same spot continuously for a predetermined time or longer, it is determined that the self-pedestrian has stayed for a long time.

  When the self-pedestrian is determined to be the support subject in the support subject determination unit 25 and the self-pedestrian is determined to be in the traffic delay state in the traffic delay state determination unit 26, the message control unit 21 The notification message is transmitted from the ITS communication unit 12. At this time, when the staying state determination unit 27 determines that the own pedestrian is in the long standing state, the staying state information indicating that the own pedestrian is in the long standing state is added to the message of the traffic delay notification. I do.

  Next, a message transmitted from the pedestrian terminal 1 according to the second embodiment will be described. FIG. 10 is an explanatory diagram showing the contents of the message transmitted from the pedestrian terminal 1.

  In this embodiment, in addition to pedestrian attribute information and notification identification information, staying state information is stored in the free area of the message. This staying state information is “1” when the self-pedestrian is in the long-time staying state, and is “0” when the self-pedestrian is not in the long-time staying state.

(Third embodiment)
Next, a third embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the above-described embodiment, when the elderly, the physically handicapped, the person using a wheelchair, or the like is set as a support target, and the pedestrian corresponding to the support target is in a traffic delay state, Although the information of the pedestrian is provided to the management server 6, in the present embodiment, when the foreigner is the support target person and the pedestrian who is a foreigner is in a traffic delay state, the information (position Information, attribute information, etc.) to the management server 6.

  Thus, the management server 6 can collect information on pedestrians who are foreigners and perform analysis for foreigners. For example, by means of statistical processing, a point where a foreign pedestrian is frequently in a traffic delay state is extracted, and the surrounding conditions of the point are examined, whereby road guidance facilities (for example, information boards and traffic signs) are extracted. Can obtain insights that are difficult for foreigners to understand, and the results of such analysis can be used for guidance services and maintenance of guidance facilities for foreigners.

  Next, a message transmitted from the pedestrian terminal 1 according to the third embodiment will be described. FIG. 11 is an explanatory diagram showing the contents of the message transmitted from the pedestrian terminal 1.

  In this embodiment, pedestrian attribute information is stored in the free area of the message, as in the above-described embodiment. Information is included. This nationality information is stored in the storage unit 14 in advance at the time of the pedestrian registration operation, and the message control unit 21 acquires the nationality information from the storage unit 14 and adds the nationality information to the message of passing delay notification. I do.

  Note that the nationality information may be information (1 bit) on whether the pedestrian is a Japanese (for example, Japanese) or a foreigner, but may be information (2 bits or more) identifying a country with nationality. .

(Fourth embodiment)
Next, a fourth embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the above-described embodiment, when the pedestrian corresponding to the support target is in a traffic delay state, the information of the pedestrian is provided to the management server 6. In the second embodiment, particularly, in the second embodiment, the pedestrian is located at a certain place. When the pedestrian stays for a long time, the pedestrian is likely to be in poor physical condition, so the long-stay information is transmitted to the management server 6. However, there is no particular problem. The place may be staying for a long time. For example, if a railroad crossing is waiting for a barrier to open, a traffic light turning green, or a bus stop waiting for a bus to arrive, pedestrians may be left at the same location for long periods of time. It will not move. Even in such a case, if the traffic is delayed, erroneous analysis is performed, and the accuracy of the analysis result is reduced.

  Therefore, in the present embodiment, a point where a pedestrian may wait for a long time (for example, a railroad crossing, a pedestrian crossing with a traffic light, a bus stop, etc.) is registered in the map information as a notification exclusion point, and the own pedestrian is notified of the notification exclusion point. , It is excluded from notification. That is, even when the own pedestrian corresponds to the support target person and is in a traffic delay state, if the current position of the own pedestrian is a notification exclusion point, the mobile terminal does not transmit a traffic delay notification message.

  Next, a schematic configuration of the pedestrian terminal 1 according to the fourth embodiment will be described. FIG. 12 is a block diagram illustrating a schematic configuration of the pedestrian terminal 1.

  The control unit 15 of the pedestrian terminal 1 includes a notification exclusion point determination unit 28. Others are the same as the first embodiment (see FIG. 3).

  The notification exclusion point determination unit 28 determines whether the current position of the pedestrian is the notification exclusion point based on the pedestrian's position information acquired by the positioning unit 11 and the map information stored in the storage unit 14. I do. When the notification exclusion point determination unit 28 determines that the current position of the pedestrian is a notification exclusion point, the traffic delay notification message is not transmitted.

  Next, an operation procedure of the pedestrian terminal 1 according to the fourth embodiment will be described. FIG. 13 is a flowchart showing the operation procedure of the pedestrian terminal 1.

  In the pedestrian terminal 1, first, the positioning unit 11 acquires position information of the own pedestrian (ST101). Next, the dangerous behavior determination unit 24 determines whether or not the pedestrian has taken a dangerous behavior (ST102).

  Here, when the pedestrian takes a dangerous action (Yes in ST102), the message control unit 21 generates a message of a risky action notification and transmits it from the ITS communication unit 12 (ST103).

  On the other hand, if the self-pedestrian does not take any risky behavior (No in ST102), then, in the support target person determination unit 25, it is determined whether the self-pedestrian corresponds to the support target person (such as the elderly). Is determined (ST104).

  Here, when the pedestrian is the support target person (Yes in ST104), the traffic delay state determination unit 26 acquires the current traveling state information (ST105). Then, based on the current moving state information, it is determined whether or not the pedestrian is in a traffic delay state (ST106).

  Here, when the own pedestrian is in the traffic delay state (Yes in ST106), next, the notification exclusion point determination unit 28 determines whether or not the current position of the own pedestrian is the notification exclusion point (ST111). ).

  Here, if the current position of the pedestrian is not the notification exclusion point (No in ST111), the message control unit 21 generates a traffic delay notification message and transmits it from the ITS communication unit 12 (ST107).

  On the other hand, when the self-pedestrian is not the support target person (No in ST104), when the self-pedestrian is not in the traffic delay state (No in ST106), or when the current position of the self-pedestrian is a notification exclusion point ( No message is transmitted in ST111).

(Fifth embodiment)
Next, a fifth embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the above embodiment, when the pedestrian corresponding to the support target is in a traffic delay state, the information of the pedestrian is transmitted to the management server 6, but in the present embodiment, the information corresponds to the support target. Even when the pedestrian is in a traffic delay state, if there is an acquaintance (family, friend, etc.) near the pedestrian, the information of the pedestrian is not transmitted to the management server 6.

  If there is an acquaintance in the vicinity of the pedestrian, there is a high possibility that the person stops and talks with the acquaintance or walks slowly while talking with the acquaintance. In this case, since the moving state of the pedestrian becomes slow, the pedestrian is determined to be in the traffic delay state. However, in this case, since it takes only time due to factors unrelated to the road condition, the notification that the pedestrian is in the traffic delay state is not appropriate, and the management server 6 performs an erroneous analysis. Therefore, in the present embodiment, when there is an acquaintance in the vicinity of the pedestrian, even if it is determined that the vehicle is in the traffic delay state, the message of the traffic delay notification is not transmitted as a notification target.

  Next, a schematic configuration of the pedestrian terminal 1 according to the fifth embodiment will be described. FIG. 14 is a block diagram illustrating a schematic configuration of the pedestrian terminal 1.

  The pedestrian terminal 1 includes a short-range communication unit 16. The control unit 15 of the pedestrian terminal 1 includes a registrant proximity determination unit 29. Others are the same as the first embodiment (see FIG. 3).

  The short-range communication unit 16 performs short-range communication such as Bluetooth (registered trademark) with another pedestrian terminal 1. In the present embodiment, a terminal ID (user ID) is exchanged with another pedestrian terminal 1 existing nearby.

  The storage unit 14 stores a terminal ID (user ID) of another pedestrian terminal 1 owned by a pedestrian who is an acquaintance of the own pedestrian in advance, in response to an operation of registering the pedestrian's pedestrian terminal. 1 is stored.

  The registrant proximity determination unit 29 determines whether there is another pedestrian (registrant) who is an acquaintance of the pedestrian in the vicinity of the pedestrian. Specifically, when the short-range communication unit 16 acquires the terminal ID of the pedestrian terminal 1 from another nearby pedestrian terminal 1, whether the terminal ID matches the terminal ID registered in advance is determined. If the terminal IDs match, it is determined that there is a registrant (an acquaintance) near the self-pedestrian.

  In the present embodiment, the terminal ID is exchanged with another pedestrian terminal 1 by short-distance communication. However, the ITS communication unit 12 of the pedestrian terminal 1 broadcasts the terminal ID from the other pedestrian terminal 1. May be received, and it may be determined whether or not another pedestrian who is an acquaintance is nearby based on the terminal ID and the pedestrian's position information included in the message.

  Next, an operation procedure of the pedestrian terminal 1 according to the fifth embodiment will be described. FIG. 15 is a flowchart showing the operation procedure of the pedestrian terminal 1.

  In the pedestrian terminal 1, first, the positioning unit 11 acquires position information of the own pedestrian (ST101). Next, the dangerous behavior determination unit 24 determines whether or not the pedestrian has taken a dangerous behavior (ST102).

  Here, when the pedestrian takes a dangerous action (Yes in ST102), the message control unit 21 generates a message of a risky action notification and transmits it from the ITS communication unit 12 (ST103).

  On the other hand, if the self-pedestrian does not take any risky behavior (No in ST102), then, in the support target person determination unit 25, it is determined whether the self-pedestrian corresponds to the support target person (such as the elderly). Is determined (ST104).

  Here, when the pedestrian is the support target person (Yes in ST104), the traffic delay state determination unit 26 acquires the current traveling state information (ST105). Then, based on the current moving state information, it is determined whether or not the pedestrian is in a traffic delay state (ST106).

  Here, when the own pedestrian is in the traffic delay state (Yes in ST106), next, the registrant proximity determining unit 29 determines whether there is a registrant (an acquaintance) near the own pedestrian. (ST121).

  Here, when there is no registrant near the pedestrian (No in ST121), the message control unit 21 generates a traffic delay notification message and transmits it from the ITS communication unit 12 (ST107).

  On the other hand, when the self-pedestrian is not the support target person (No in ST104), when the self-pedestrian is not in the traffic delay state (No in ST106), or when there is a registrant near the self-pedestrian (ST121). Yes), no message is sent.

  Even if a pedestrian stays at a certain place for a long time, if there is an acquaintance (family, friend, etc.) near the pedestrian, there is a high possibility that the pedestrian will stop and talk with the acquaintance. The information of the pedestrian will not be provided to the guardian (family, etc.) of the support recipient.

(Sixth embodiment)
Next, a sixth embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the fifth embodiment, the pedestrian terminal 1 determines whether there is an acquaintance (registrant) in the vicinity of the pedestrian. If there is an acquaintance in the vicinity of the pedestrian, the pedestrian is slowed down. Even in the state, the message of the traffic delay notification is not transmitted. However, in the present embodiment, the notification stop instruction is transmitted from the management server 6 to the pedestrian terminal 1, and the traffic delay notification message is transmitted in the pedestrian terminal 1. Control not to.

  Next, an operation procedure of the pedestrian terminal 1 according to the sixth embodiment will be described. FIG. 16 is a flowchart showing the operation procedure of the pedestrian terminal 1.

  In the pedestrian terminal 1, first, the positioning unit 11 acquires position information of the own pedestrian (ST101). Next, the dangerous behavior determination unit 24 determines whether or not the pedestrian has taken a dangerous behavior (ST102).

  Here, when the pedestrian takes a dangerous action (Yes in ST102), the message control unit 21 generates a message of a risky action notification and transmits it from the ITS communication unit 12 (ST103).

  On the other hand, if the self-pedestrian does not take any risky behavior (No in ST102), then, in the support target person determination unit 25, it is determined whether the self-pedestrian corresponds to the support target person (such as the elderly). Is determined (ST104).

  Here, when the pedestrian is the support target person (Yes in ST104), the traffic delay state determination unit 26 acquires the current traveling state information (ST105). Then, based on the current moving state information, it is determined whether or not the pedestrian is in a traffic delay state (ST106).

  Here, when the pedestrian is in the traffic delay state (Yes in ST106), it is next determined whether or not a notification stop instruction has been received from the management server 6 (ST131).

  Here, when the notification stop instruction from the management server 6 has not been received (No in ST131), the message control unit 21 generates a traffic delay notification message and transmits it from the ITS communication unit 12 (ST107).

  On the other hand, when the own pedestrian is not a support target person (No in ST104), when the own pedestrian is not in a traffic delay state (No in ST106), or when a notification stop instruction from the management server 6 is received. (Yes in ST131), no message is transmitted.

  Next, an operation procedure of the management server 6 according to the sixth embodiment will be described. FIG. 17 is a flowchart showing the operation procedure of the management server 6.

  When the management server 6 receives the traffic delay information from the pedestrian terminal 1 (Yes in ST201), the management server 6 determines whether there are a plurality of pedestrian terminals 1 that have received the traffic delay information (ST202).

  Here, when there are a plurality of pedestrian terminals 1 that have received the traffic delay information (Yes in ST202), it is next determined whether or not the pedestrian terminals 1 that have received the traffic delay information are close to each other ( ST203). Specifically, it is determined whether or not the distance between the plurality of pedestrian terminals 1 is less than a predetermined value.

  Here, when the pedestrian terminals 1 that have received the traffic delay information are close to each other (Yes in ST203), the pedestrian terminal 1 transmits a notification stop instruction that instructs not to perform the traffic delay notification. (ST204). Alternatively, when the pedestrian terminals 1 that have received the traffic delay information have the same action history, a notification stop instruction that instructs not to perform the traffic delay notification may be transmitted to the pedestrian terminal 1.

  When the traffic delay information is not received from the pedestrian terminal 1 (No in ST201), when there is only one pedestrian terminal 1 that has received the traffic delay information (No in ST202), or when the traffic delay information is received. If the user terminals 1 are not close to each other (No in ST203), no particular processing is performed.

  In the present embodiment, when the traffic delay information is received from the plurality of pedestrian terminals 1 and the plurality of pedestrian terminals 1 are close to each other, a notification stop instruction is issued from the management server 6 to the pedestrian terminal. 1, the terminal ID (user ID) of a pedestrian registered as an acquaintance is stored in the management server 6, and it is determined whether or not the pedestrian terminal 1 approaching is an acquaintance, and When the pedestrian terminal 1 to be notified belongs to an acquaintance, a notification stop instruction may be transmitted to the pedestrian terminal 1.

(Seventh embodiment)
Next, a seventh embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the above embodiment, when the pedestrian corresponding to the support target is in a traffic delay state, the information of the pedestrian is transmitted to the management server 6, but in the present embodiment, the information corresponds to the support target. If the pedestrian to be assisted is not in the traffic delay state, and the support target is in a point where the traffic was delayed in the past (traffic delay point), the pedestrian is regarded as the comparison target and the information of the pedestrian is considered. (Position information, attribute information) to the management server 6.

  In the present embodiment, first, the management server 6 accumulates position information of a point where the support target person has been in a traffic delay state in the past (traffic delay point), and stores the position information of the traffic delay point in the pedestrian terminal 1. provide.

  The pedestrian terminal 1 transmits information (positional information and attribute information) of the pedestrian to the management server 6 when the pedestrian corresponding to the support target is in a traffic delay state. Specifically, a message of a traffic delay notification is transmitted by ITS communication. Further, even when the vehicle is not in the traffic delay state, if the current position is the traffic delay point, the information of the pedestrian is transmitted to the management server 6 as the comparison target. Specifically, a message of the notification of comparison target is transmitted by ITS communication.

  With this, the management server 6, among the pedestrians corresponding to the support target, information on the pedestrian who has been in the traffic delay state and information on the pedestrian who has not been in the traffic delay state (comparison target person) Can be collected. Then, by comparing the information of the pedestrian who has been in the traffic delay state with the information of the pedestrian who has not been in the traffic delay state (comparative subject), it is possible to analyze the cause of the occurrence of the traffic delay state. .

  At this time, if the analysis is performed by paying attention to the attributes of the pedestrian, it is possible to grasp what attribute of the pedestrian is in the traffic delay state at the traffic delay point. For example, when there is a small step on the road, there is a case where it is troublesome to pass through the step when using a wheelchair, even if it can pass without any problem when using a cane. As described above, even in the same place, depending on the attributes of the pedestrian (use of a cane, use of a wheelchair), there are cases where the traffic is delayed and cases where the traffic is not delayed. Can be grasped. In addition, appropriate support according to the attribute of the pedestrian can be provided to the support target person. For example, a traffic delay point with a step is guided to a pedestrian who does not use a wheelchair, but is not guided to a pedestrian who uses a wheelchair.

  In addition, when the analysis is performed while focusing on the weather conditions, it is possible to grasp under what weather conditions the traffic delay state occurs at the traffic delay point. For example, even on a road that does not normally hinder walking, it may be difficult to walk during or immediately after rainfall or snowfall. Specifically, during or immediately after rainfall, a puddle may be formed, which may make it difficult to walk. Also, during or immediately after snowfall, it may be difficult to walk due to snow accumulation on the road or freezing of the road. As described above, even in the same place, depending on weather conditions, there may be a case where the traffic is delayed and a case where the traffic is not delayed. From such a difference, it is possible to grasp the problem at the site. Further, appropriate support according to recent weather conditions can be provided to the support target person. For example, a place where a traffic delay condition occurs in a specific weather condition is not guided in a corresponding weather condition.

  Next, a message transmitted from the pedestrian terminal 1 according to the seventh embodiment will be described. FIG. 18 is an explanatory diagram showing the contents of the message transmitted from the pedestrian terminal 1.

  In the present embodiment, when the self-pedestrian becomes a comparison target, a message of a comparison target notification is transmitted. In this comparison target notification message, comparison target information is stored in the free area in addition to the pedestrian attribute information, the notification identification information, and the staying state information. This comparison target information is “1” when the self-pedestrian is the comparison target, and is “0” when the self-pedestrian is not the comparison target.

  Next, an operation procedure of the pedestrian terminal 1 according to the seventh embodiment will be described. FIG. 19 is a flowchart showing the operation procedure of the pedestrian terminal 1.

  In the pedestrian terminal 1, first, the positioning unit 11 acquires position information of the own pedestrian (ST101). Next, the dangerous behavior determination unit 24 determines whether or not the pedestrian has taken a dangerous behavior (ST102).

  Here, when the pedestrian takes a dangerous action (Yes in ST102), the message control unit 21 generates a message of a risky action notification and transmits it from the ITS communication unit 12 (ST103).

  On the other hand, if the self-pedestrian does not take any risky behavior (No in ST102), then, in the support target person determination unit 25, it is determined whether the self-pedestrian corresponds to the support target person (such as the elderly). Is determined (ST104).

  Here, when the pedestrian is the support target person (Yes in ST104), the traffic delay state determination unit 26 acquires the current traveling state information (ST105). Then, based on the current moving state information, it is determined whether or not the pedestrian is in a traffic delay state (ST106).

  Here, when the pedestrian is in the traffic delay state (Yes in ST106), the message control unit 21 generates a traffic delay notification message and transmits it from the ITS communication unit 12 (ST107).

  On the other hand, when the self-pedestrian is not in the traffic delay state (No in ST106), next, it is determined whether or not the current position of the self-pedestrian is a traffic delay point (ST141).

  Here, if the current position of the own pedestrian is a traffic delay point (Yes in ST141), the message control unit 21 generates a message of the notification of the comparison target using the own pedestrian as the comparison target, and performs ITS communication. It is transmitted from the unit 12 (ST132).

  On the other hand, when the self-pedestrian is not the support target person (No in ST104) or when the self-pedestrian is not at the target point (No in ST141), no message is transmitted.

(Eighth embodiment)
Next, an eighth embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the seventh embodiment, when the pedestrian corresponding to the support target person is not in a traffic delay state and is at a traffic delay point, the pedestrian is set as a comparison target and the pedestrian information (position information, (Attribute information) is transmitted to the management server 6, but in the present embodiment, a general pedestrian who does not correspond to the support target is set as a comparison target on the condition that the pedestrian is at a traffic delay point. Information (such as position information) is transmitted to the management server 6.

  Thereby, the management server 6 can collect information on the pedestrian who is in the traffic delay state by the support target person and information on the general pedestrian. Then, the validity of a threshold (judgment criterion) for judging a traffic delay state is evaluated by comparing information of a pedestrian who has been in a traffic delay state with a support target person and information of a general pedestrian. As a result, the accuracy of the determination of the traffic delay state can be improved.

  Next, an operation procedure of the pedestrian terminal 1 according to the eighth embodiment will be described. FIG. 20 is a flowchart showing the operation procedure of the pedestrian terminal 1.

  In the pedestrian terminal 1, first, the positioning unit 11 acquires position information of the own pedestrian (ST101). Next, the dangerous behavior determination unit 24 determines whether or not the pedestrian has taken a dangerous behavior (ST102).

  Here, when the pedestrian takes a dangerous action (Yes in ST102), the message control unit 21 generates a message of a risky action notification and transmits it from the ITS communication unit 12 (ST103).

  On the other hand, if the self-pedestrian does not take any risky behavior (No in ST102), then, in the support target person determination unit 25, it is determined whether the self-pedestrian corresponds to the support target person (such as the elderly). Is determined (ST104).

  Here, when the pedestrian is the support target person (Yes in ST104), the traffic delay state determination unit 26 acquires the current traveling state information (ST105). Then, based on the current moving state information, it is determined whether or not the pedestrian is in a traffic delay state (ST106).

  Here, when the pedestrian is in the traffic delay state (Yes in ST106), the message control unit 21 generates a traffic delay notification message and transmits it from the ITS communication unit 12 (ST107).

  On the other hand, when the self-pedestrian is not the support target person (No in ST104) or when the self-pedestrian is not in the traffic delay state (No in ST106), it is next determined whether the self-pedestrian is at the traffic delay point. A determination is made (ST141).

  Here, when the self-pedestrian is at the traffic delay point (Yes in ST141), the self-pedestrian is set as the subject to be compared, and the message control unit 21 generates a message of the comparison subject notification and sends the message to the ITS communication unit 12 from the ITS communication unit 12. Transmit (ST132).

  On the other hand, when the self-pedestrian is not at the traffic delay point (No in ST141), no message is transmitted.

(Ninth embodiment)
Next, a ninth embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment.

  In the above embodiment, the determination of the traffic delay state is made based on the pedestrian's moving state information (moving distance for a predetermined time). In the present embodiment, the state of the pedestrian other than the moving state is detected. Various sensors are provided in the pedestrian terminal 1, and the detection result of the sensors is used as an auxiliary to determine the traffic delay state.

  Next, a schematic configuration of the pedestrian terminal 1 according to the ninth embodiment will be described. FIG. 21 is a block diagram illustrating a schematic configuration of the pedestrian terminal 1.

  The pedestrian terminal 1 includes an environment sensor 17, a motion sensor 18, and a biological sensor 19. Others are the same as the first embodiment (see FIG. 3).

  The traffic delay state determination unit 26 of the pedestrian terminal 1 indicates that the own pedestrian is in the traffic delay state based on the moving state information of the pedestrian and each detection result of the environment sensor 17, the motion sensor 18, and the biological sensor 19. It is determined whether or not.

  Here, the environmental sensor 17 is for detecting the environmental state of the pedestrian. For example, if the environmental sensor 17 is a pressure sensor, the pedestrian travels on a stair or a slope based on a change in altitude measured from the detection result. Can be detected.

  Further, the motion sensor 18 detects the movement of the pedestrian's body. For example, if an acceleration sensor is used, the pedestrian can move on a stair or a step based on a change in the motion of the pedestrian based on the detection result. Can be detected.

  The biological sensor 19 is for detecting the physical condition of the pedestrian. For example, if the sensor is a pulse sensor, it is determined that the pedestrian is having difficulty based on a change in the heart rate measured from the detection result. Can be detected.

  In the present embodiment, the environment sensor 17, the motion sensor 18, and the living body sensor 19 are provided on the pedestrian terminal 1. However, the wearable terminal including these sensors 17 to 19 is mounted on the body of the pedestrian. Is also good. In this case, the detection accuracy of the biological sensor can be particularly improved.

  In addition, only the determination result of the traffic delay state may be provided from the pedestrian terminal 1 to the management server 6, but the detection results of the sensors 17 to 19 are provided to the management server 6 in addition to the determination result of the traffic delay state. You may make it. Alternatively, the pedestrian's moving state information (moving distance for a predetermined time) and the detection results of the sensors 17 to 19 may be provided to the management server 6, and the management server 6 may determine the traffic delay state.

  As an advantage of using the pedestrian's movement state information (movement distance for a predetermined time) and sensor information together, besides the place where the support target is delayed, the route that avoids places that are considered dangerous to the support target is It is also possible to guide. For example, places where there are many bicycles running on the sidewalk at a relatively high speed, places where there are many children who take actions such as running suddenly, etc., are particularly dangerous for the support target. When the support target faces such a situation, it is considered that a change in the heart rate or the like will occur.Therefore, by collecting pulse sensor information and the like, providing a route that avoids a place where the change in the heart rate or the like occurs. Is possible. In addition, by collecting not only the pedestrian's movement state information (moving distance during a predetermined time) and the sensor information, but also the behavior history information and speed information of the bicycle and the child, the danger to the support target can be more accurately determined. It is possible to extract possible places.

(Tenth embodiment)
Next, a tenth embodiment will be described. Note that points which are not particularly mentioned here are the same as in the above embodiment. FIG. 22 is an overall configuration diagram of the communication system according to the tenth embodiment.

  In the above-described embodiment, when the pedestrian corresponding to the support target is in a state where the pedestrian is too busy to pass when walking or using a wheelchair (traffic delay state), the information of the pedestrian is stored in the management server 6. However, in the present embodiment, when a support target person is driving a vehicle and the driving target is in a state of delaying driving (driving delay state), the information of the driver (vehicle) is managed. Provide to the server 6.

  The in-vehicle terminal 3 determines whether or not the driver is in a driving delay state when a driver corresponding to a support target person such as an elderly person drives, and when the driver is in a driving delay state, the driver (vehicle) Information (such as position information) is transmitted to the management server 6. In addition, you may make it transmit from the vehicle-mounted terminal 3 to the management server 6 via a roadside apparatus.

  In addition, in the in-vehicle terminal 3, if the vehicle is not in the driving delay state and the current position of the vehicle coincides with a point where another driver has been in the driving delay state in the past (driving delay point), the driver is notified. The information (position information, etc.) of the driver (vehicle) is transmitted to the management server 6 as the person to be compared. If the current position of the vehicle coincides with the driving delay point regardless of whether the vehicle corresponds to the support target or not, the driver (vehicle) information (position information , Etc.) to the management server 6.

  In addition, for example, in places where time is required for turning right and left such as turning right at intersections and turning left and right on roads without traffic lights, and in places where traffic congestion frequently occurs, it is particularly difficult for the support target person to perform required driving. It is likely that you will be late. In such a place, the time of staying at the predetermined place is considered to be long. For this reason, a route avoiding a place where the residence time is long may be guided to the support target person.

  The management server 6 compares the traveling state information (moving distance for a predetermined time) between the vehicle driven by the support target person and the vehicle driven by the comparison target person, and determines a place where the difference between the two is large. Is set to a place where it is difficult to drive (driving delay point), and various analyzes are performed. As a result, the analysis result can be used for a system that supports the driving of the support target person. For example, by providing information about the driving delay point to the support target person and guiding the support target person to a route excluding the driving delay point, the support target person can drive smoothly.

  In the present embodiment, in order to determine whether or not the driver of the own vehicle corresponds to the support target in the in-vehicle terminal 3, the attribute information of the driver or the information indicating that the driver corresponds to the support target is used. The information may be registered in the in-vehicle terminal 3.

  Further, in the present embodiment, the case where the support target person is driving a vehicle has been described, but the present invention is similarly applied to the case where the support target person is driving a bicycle, a motorcycle, a senior car, an electric wheelchair, and the like. It is possible.

  As described above, the embodiments have been described as examples of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this, and can be applied to embodiments in which changes, replacements, additions, omissions, and the like are made. Further, it is also possible to form a new embodiment by combining the components described in the above embodiment.

  INDUSTRIAL APPLICABILITY The pedestrian device, the in-vehicle device, the information collection system, and the information collection method according to the present invention have an effect of efficiently collecting information necessary to support the traffic of the support target person, and the pedestrian possesses the information. The present invention is useful as a pedestrian device, a vehicle-mounted device mounted on a vehicle, an information collection system and an information collection method for collecting information on a traffic situation of a pedestrian passing on a road.

1 pedestrian terminal (pedestrian device)
2 Mobile information terminal 3 In-vehicle terminal (in-vehicle device)
4 Car navigation 5 Roadside machine (roadside device)
6. Management server (server device)
7 base station 11 positioning unit 12 ITS communication unit 13 input / output unit 14 storage unit 15 control unit 16 short-range communication unit 17 environment sensor 18 motion sensor 19 biometric sensor

Claims (15)

A pedestrian device possessed by a pedestrian,
A communication unit for transmitting and receiving information between the in-vehicle device and the server device;
A control unit that determines a risk of a collision based on information transmitted and received between the in-vehicle device and a warning unit for a pedestrian,
With
The control unit includes:
When the self-pedestrian is the support target person, based on the current traveling state information of the self-pedestrian, it is determined whether the self-pedestrian is in a traffic delay state,
A pedestrian device comprising: transmitting a pedestrian information regarding a pedestrian to the server device when the pedestrian is in a traffic delay state. The communication unit communicates with the in-vehicle device by inter-vehicle communication,
The control unit includes:
The pedestrian device according to claim 1, wherein a message including the pedestrian information is transmitted from the communication unit to the vehicle-mounted device. The communication unit communicates with the roadside device by road-to-road communication,
The control unit includes:
The pedestrian device according to claim 1, wherein a message including the pedestrian information is transmitted from the communication unit to the roadside device. The control unit includes:
Determine whether the pedestrian has taken dangerous behavior,
A message including notification identification information for identifying a notification that the self-pedestrian has taken a dangerous action and a notification that the self-pedestrian is in a traffic delay state are transmitted from the communication unit. The pedestrian device according to claim 2 or 3. The control unit includes:
Determine whether the pedestrian is in a state of staying for a long time,
2. The walk according to claim 1, wherein when the self-pedestrian is in the state of staying for a long time, information indicating that the self-pedestrian is in the state of staying for a long time is added to the pedestrian information and transmitted to the server device. Device. The control unit includes:
The pedestrian device according to claim 1, wherein information on whether or not the own pedestrian is a foreigner is added to the pedestrian information and transmitted. The control unit includes:
The pedestrian according to claim 1, wherein the pedestrian information is not transmitted to the server device even when the own pedestrian is in a traffic delay state, when the current position is a predetermined notification exclusion point. apparatus. The control unit includes:
The pedestrian according to claim 1, wherein the pedestrian information is not transmitted to the server device even when the pedestrian is in a traffic delay state, when there is a registrant near the pedestrian. apparatus. The control unit includes:
If the self-pedestrian is a support target person and is not in a traffic delay state, and the current position of the self-pedestrian coincides with a point where the support target person was previously in a traffic delay state, The pedestrian apparatus according to claim 1, wherein the pedestrian information including the attribute information of the pedestrian is transmitted to the server apparatus, using as a comparison target. The control unit includes:
When the self-pedestrian is not in the traffic delay state, and the current position of the self-pedestrian coincides with a point where the support target person has been in the traffic delay state in the past, the self-pedestrian is set as the comparison target, and The pedestrian device according to claim 1, wherein the pedestrian information is transmitted to the server device. The control unit includes:
The pedestrian device according to claim 1, wherein it is determined whether or not the own pedestrian is in a traffic delay state, based on a moving distance per predetermined time as the moving state information. Furthermore, it comprises an environment sensor, a motion sensor, and / or a biological sensor.
The control unit includes:
The pedestrian device according to claim 1, wherein it is determined whether or not the own pedestrian is in a traffic delay state based on the movement state information and a detection result of the sensor. An in-vehicle device mounted on a vehicle,
A communication unit for transmitting and receiving information between the pedestrian device and the server device;
A control unit that determines a danger of a collision based on information transmitted and received between the pedestrian device and a driver that alerts a driver of the vehicle,
With
The control unit includes:
If the driver of the own vehicle is a support target person, based on the current moving state information of the own vehicle, determine whether the own vehicle is in a driving delay state,
When the own vehicle is in a driving delay state, vehicle information about the own vehicle is transmitted to the server device. An information collection system for collecting information on the traffic situation of pedestrians passing on a road,
A pedestrian device carried by the pedestrian,
A server device for managing information collected from the pedestrian device,
With
The pedestrian device,
A communication unit for transmitting and receiving information between the in-vehicle device and the server device,
A control unit that determines a risk of a collision based on information transmitted and received between the in-vehicle device and a warning unit for a pedestrian,
With
The control unit includes:
When the self-pedestrian is the support target person, based on the current traveling state information of the self-pedestrian, it is determined whether the self-pedestrian is in a traffic delay state,
An information collection system, wherein when a self-pedestrian is in a traffic delay state, pedestrian information about the self-pedestrian is transmitted to the server device. An information gathering method for gathering information on the traffic situation of pedestrians traveling on a road,
A pedestrian device that is possessed by a pedestrian, transmits and receives information to and from an in-vehicle device, determines the danger of a collision, and alerts the pedestrian,
When the self-pedestrian is the support target person, based on the current traveling state information of the self-pedestrian, it is determined whether the self-pedestrian is in a traffic delay state,
An information collection method, wherein when a self-pedestrian is in a traffic delay state, pedestrian information about the self-pedestrian is transmitted to a server device.

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