Land subsidence area identifying device, vehicle control device, and land subsidence area identifying system

Abstract

To provide a ground subsidence area specification device, a vehicle control device, and a ground subsidence area specification system capable of specifying a place where the ground subsidence occurs without installing a dedicated measuring device at each measuring place at the time of disaster.SOLUTION: A ground subsidence area specification device includes a processor for specifying a ground subsidence area where the ground subsidence is estimated to occur on the basis of each piece of altitude information measured by a plurality of vehicles.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present disclosure relates to a land subsidence area identifying device, a vehicle control device, and a land subsidence area identifying system. [Background technology]

[0002] When an earthquake occurs, it is desirable to detect the occurrence of land subsidence early in order to ensure evacuation, etc. Patent Document 1 discloses a technology for detecting the occurrence of land subsidence based on a change in the output of an intra-ground subsidence detection measuring device. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2002-286512 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, in order to measure land subsidence, it is necessary to install a dedicated measuring device (subsidence detector) at the measurement location. In this case, if one wishes to measure over a wide area in detail, a huge number of measuring devices must be installed, and installation locations must be secured, which is laborious.

[0005] The present disclosure has been made in consideration of the above, and aims to provide a subsidence area identification device, a vehicle control device, and a subsidence area identification system that can identify the location where land subsidence has occurred in the event of a disaster, without having to install dedicated measuring devices at each measurement location. [Means for solving the problem]

[0006] The land subsidence area identifying device according to the present disclosure includes a processor that identifies a land subsidence area where land subsidence is estimated to be occurring, based on the altitude information measured by a plurality of vehicles.

[0007] In addition, the vehicle control device according to the present disclosure is a vehicle control device that controls a vehicle, and includes a processor that transmits altitude information to a subsidence area identification server that identifies a subsidence area where subsidence is estimated to be occurring, and controls display in the vehicle based on the subsidence area identified by the subsidence area identification server.

[0008] In addition, the land subsidence area identification system of the present disclosure includes a first device which is a vehicle control device that controls a vehicle, and which transmits altitude information to a second device that identifies a land subsidence area where land subsidence is estimated to be occurring, and which has a first processor that controls a display on the vehicle based on the land subsidence area identified by the second device, and a second device which has a second processor that identifies a land subsidence area where land subsidence is estimated to be occurring based on altitude information measured by a plurality of vehicles. Effect of the Invention

[0009] According to the present disclosure, when a disaster occurs, it is possible to identify the locations where land subsidence has occurred without having to install dedicated measuring devices at each measurement location. [Brief description of the drawings]

[0010] [Figure 1] FIG. 1 is a diagram illustrating a control system according to the first embodiment. [Diagram 2] FIG. 2 is a block diagram for explaining the configuration of the disaster information server according to the first embodiment. [Diagram 3] FIG. 3 is a block diagram for explaining the configuration of the vehicle according to the first embodiment. [Figure 4] FIG. 4 is a block diagram for explaining the configuration of the land subsidence area specifying server according to the first embodiment. [Diagram 5] FIG. 5 is a sequence diagram illustrating an example of a process of the land subsidence area identification control according to the first embodiment. [Figure 6]FIG. 6 is a diagram (part 1) for explaining the setting of the land subsidence area. [Figure 7] FIG. 7 is a diagram (part 2) for explaining the setting of the land subsidence area. [Figure 8] FIG. 8 is a diagram (part 1) for explaining an example of vehicle control in a land subsidence area. [Figure 9] FIG. 9 is a diagram (part 2) for explaining an example of vehicle control in a land subsidence area. [Figure 10] FIG. 10 is a sequence diagram illustrating an example of a process of the land subsidence area identification control according to the first embodiment. [Figure 11] FIG. 11 is a diagram illustrating a control system according to the second embodiment. [Figure 12] FIG. 12 is a block diagram for explaining the configuration of a control system according to the second embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In all the drawings of the following embodiments, the same or corresponding parts are denoted by the same reference numerals. Furthermore, the present disclosure is not limited to the embodiments described below.

[0012] (Embodiment 1) Fig. 1 is a diagram showing a schematic diagram of a control system according to the first embodiment. Fig. 2 is a block diagram for explaining a configuration of a disaster information server according to the first embodiment. Fig. 3 is a block diagram for explaining a configuration of a vehicle according to the first embodiment. Fig. 4 is a block diagram for explaining a configuration of a land subsidence area specifying server according to the first embodiment.

[0013] The control system 1 according to the first embodiment includes a disaster information server 2, a vehicle 3, and a land subsidence area specifying server 4. The disaster information server 2 is a server that acquires and outputs meteorological information published by, for example, the Japan Meteorological Agency or a business that performs meteorological services. The vehicle 3 is a vehicle that can run using only the power of a motor (EV running is possible), such as a plug-in hybrid vehicle or a range extender vehicle. In addition, the vehicle 3 is a vehicle that can be charged with power from an external power source and can supply power to the outside.

[0014] The disaster information server 2, the vehicle 3, and the land subsidence area specifying server 4 can communicate information via a network NW. The network NW is configured, for example, by an Internet line network. The disaster information server 2 can transmit and receive information to and from a plurality of vehicles 3.

[0015] The disaster information server 2 includes a disaster information receiving unit 21, a disaster area information creating unit 22, and a disaster area information transmitting unit 23. The disaster information server 2 includes a processor having hardware such as a CPU (Central Processing Unit), and a storage unit such as a RAM (Random Access Memory) and a ROM (Read Only Memory).

[0016] The disaster information receiving unit 21 receives disaster information indicating that a disaster has occurred. A disaster refers to a situation in which damage has occurred in a specified zone due to a natural phenomenon or a human-made cause. Examples of disaster information include earthquake information, tsunami information, typhoon information, heavy rain information, flood information, eruption information, fire information, forest fire information, and power outage information. Taking the occurrence of an earthquake as an example, the disaster information receiving unit 21 receives signals (signals detecting shaking) transmitted from seismometers installed at observation points in various locations, and information regarding the occurrence and scale of a tsunami. In addition, the disaster information receiving unit 21 can receive disaster information from various devices and servers via the network NW, in addition to information from seismometers and tsunamis. Furthermore, after receiving information regarding the first report of the occurrence of a disaster, the disaster information receiving unit 21 continues to receive newly discovered information, such as the scale of the disaster, as follow-up reports.

[0017] The disaster area information creation unit 22 creates disaster area information based on the disaster information. The disaster area information includes disaster area information indicating the area where the disaster occurred and information indicating the scale of the disaster. Taking the occurrence of an earthquake as an example, the disaster area information creation unit 22 creates disaster area information in which the area where a seismic intensity equal to or higher than a predetermined level is observed is set as the disaster area. The area set as the disaster area can be set to a predetermined area, such as on a prefecture-by-prefecture basis, a city / town / village-by-region basis, or an area-by-region basis. Furthermore, the disaster area information creation unit 22 successively updates the disaster area information to the latest information based on follow-up reports received after the occurrence of a disaster.

[0018] The disaster area information transmitting unit 23 transmits the created disaster area information. The disaster area information transmitting unit 23 transmits the disaster area information to the land subsidence area specifying server 4 via the network NW. In addition, the disaster area information transmitting unit 23 transmits the latest disaster area information every time the disaster area information is updated to the latest information. In addition, the disaster area information transmitting unit 23 may transmit the disaster area information to the vehicle 3 via the network NW.

[0019] The land subsidence area identifying server 4 includes a disaster area information receiving unit 41, a land subsidence area identifying unit 42, and an identifying information transmitting unit 43. The land subsidence area identifying server 4 includes a processor having hardware such as a CPU, and a storage unit such as a RAM or a ROM. The land subsidence area identifying server 4 includes a second processor.

[0020] The disaster area information receiving unit 41 receives disaster area information including, for example, information related to a tsunami from the disaster information server 2.

[0021] The land subsidence area identifying unit 42 identifies a land subsidence area based on the altitude information of the vehicle 3 received from the vehicle 3, and creates identifying information thereof. The identifying information includes map information and coordinate information of the area identified as a land subsidence area. The land subsidence area identifying unit 42 has a memory that stores the altitude associated with the map information (coordinate information).

[0022] The specific information transmitting unit 43 transmits the created specific information. The specific information transmitting unit 43 transmits the setting information to each vehicle 3 via the network NW.

[0023] In some regions, a virtual fence (virtual boundary) called geofencing is set in a predetermined area (geofencing zone). The geofencing zone is set for a specific area, such as an urban area in a city. Within the geofencing zone, specific vehicle control is executed for the vehicle 3 located in the geofencing zone. This vehicle control includes drive control that prohibits engine drive so that the vehicle runs only on the motor (EV running).

[0024] The vehicle 3 is an electric vehicle equipped with a motor 11 for driving, an engine 12, a battery 13, a charger 14, a vehicle-side connector 15, and an inverter 16.

[0025] The motor 11 is a power source for traveling. The engine 12 can rotate the motor 11. That is, the motor 11 can generate electricity using the power of the engine 12. When the engine 12 generates electricity at the motor 11, the electricity generated at the motor 11 can be charged into the battery 13. The motor 11 is electrically connected to the battery 13 via an inverter 16.

[0026] The vehicle 3 is a plug-in hybrid vehicle equipped with a charger 14 for charging a battery 13 with external power and a vehicle-side connector 15.

[0027] The battery 13 is a power storage device that stores power to be supplied to the motor 11 and also stores power supplied from an external power source. The battery 13 is electrically connected to a vehicle-side connector 15 via a charger 14. The charger 14 charges the battery 13 with external power. For example, the charger 14 includes various relay units. By opening the relay unit of the charger 14, it is possible to electrically disconnect the battery 13 from the vehicle-side connector 15. When charging the battery 13 with external power, the relay unit of the charger 14 is closed, and the battery 13 is electrically connected to the vehicle-side connector 15. The vehicle-side connector 15 is connectable to an external connector, such as a charging connector of a charging station.

[0028] The vehicle 3 also includes a GPS (Global Positioning System) receiving unit 31, a communication unit 32, a control unit 33, an HMI (Human Machine Interface) , a power train 35, and a storage unit .

[0029] The GPS receiving unit 31 receives radio waves (signals) from GPS satellites.

[0030] The communication unit 32 transmits and receives information to and from the disaster information server 2 and the land subsidence area identifying server 4. For example, the communication unit 32 receives disaster information from the disaster information server 2 and receives setting information from the land subsidence area identifying server 4. In addition, the communication unit 32 transmits location information indicating the current location of the vehicle 3 to the disaster information server 2.

[0031] The control unit 33 includes a processor having hardware such as a CPU, and a storage unit such as a RAM or a ROM. The control unit 33 includes a position information acquisition unit 33a, an altitude information creation unit 33b, an engine control unit 33c, an HMI control unit 33d, and a powertrain control unit 33e. The vehicle 3 includes a second processor.

[0032] The location information acquisition unit 33 a acquires current location information based on the signal received by the GPS receiving unit 31 .

[0033] The altitude information creating unit 33b creates altitude information including coordinate information and altitude based on the location information acquired by the location information acquiring unit 33a, for example, when the disaster area information is received as a trigger. The altitude information created by the altitude information creating unit 33b is transmitted to the land subsidence area identifying server 4.

[0034] The engine control unit 33c controls the engine 12. For example, when an instruction to prohibit driving of the engine 12 is received, the engine control unit 33c executes prohibition control to prohibit driving of the engine 12. On the other hand, when an instruction to permit driving of the engine 12 is received, the engine control unit 33c executes permission control to permit driving of the engine 12.

[0035] The HMI control unit 33d controls the HMI 34. The HMI 34 is configured, for example, by a car navigation device. The HMI 34 is an in-vehicle device that functions as a display unit that displays information to the driver and also functions as an operation unit that accepts operations from the driver. Under the control of the HMI control unit 33d, the HMI 34 reports information such as a control state in which the operation of the engine 12 is permitted or prohibited, and a control state in which the operation of the engine 12 is prohibited. Furthermore, under the control of the HMI control unit 33d, the HMI 34 displays a route, etc., set to avoid areas identified as subsidence, according to the identification information acquired from the land subsidence area identification server 4.

[0036] The powertrain control unit 33e controls the powertrain 35. The powertrain 35 is a power transmission device that transmits the power output from the motor 11 and the engine 12 to the drive wheels. The powertrain 35 includes an automatic transmission, etc. Therefore, the powertrain control unit 33e executes gear shift control that controls the gear stages of the automatic transmission.

[0037] The storage unit 36 ​​is configured using a computer-readable recording medium, and various programs and various data are stored in a writable and readable manner. The recording medium includes storage media such as a hard disk, a semiconductor memory, an optical disk, a flash memory, and a magnetic disk, and a drive device for these storage media. The storage unit 36 ​​stores an operating system (OS) and various application programs required for the control unit 33 to comprehensively control the operation of each part of the vehicle 3.

[0038] In addition, the control unit 33 controls the inverter 16 to thereby control the motor 11 . The inverter 16 is switched by the control unit 33. Furthermore, the relay unit of the charger 14 is opened and closed under control of the control unit 33. That is, the control unit 33 executes charge control for charging the battery 13 with power from the outside, and executes discharge control for supplying the power stored in the battery 13 to the outside. The control unit 33 also executes various controls related to the vehicle 3. In the first embodiment, the control unit 33 includes a first processor.

[0039] Here, with reference to Figs. 5 to 9, the control executed by the control unit 33 of each vehicle 3 and the land subsidence area identifying unit 42 of the land subsidence area identifying server 4 will be described. Fig. 5 is a sequence diagram showing an example of the process of land subsidence area identifying control according to the first embodiment. Note that the control shown in Fig. 5 is, for example, when information related to an earthquake is transmitted as disaster information, disaster area information is transmitted to vehicles 3 located in an area designated as a disaster area, and the control unit 33 repeatedly executes the control. This control can be applied not only when an earthquake occurs, but also when the occurrence of underground ground is predicted, such as heavy rain or an eruption.

[0040] The land subsidence area identifying server 4 judges whether or not it has received disaster area information from the disaster information server 2 (step S101). If it has not received disaster area information (step S101: No), the land subsidence area identifying server 4 ends the process. Note that confirmation of disaster area information is performed periodically. On the other hand, if it has received disaster area information (step S101: Yes), the land subsidence area identifying server 4 judges that a disaster has occurred and proceeds to step S102.

[0041] In step S102, the land subsidence area specifying server 4 instructs the vehicle 3 located in the disaster area to transmit altitude information.

[0042] When the vehicle 3 receives the elevation information transmission instruction, it performs an elevation information creation process (step S103). First, the elevation information creation unit 33b creates elevation information including the elevation and coordinate information at the time of measuring the position information based on the position information (traveling data of the vehicle 3) acquired by the position information acquisition unit 33a. Then, the control unit 33 transmits the elevation information created by the elevation information creation unit 33b to the land subsidence area identification server 4. At this time, the vehicle 3 may periodically measure the position information while traveling, create the elevation information, and transmit the elevation information. Note that, when the control unit 33 periodically transmits the position information of the vehicle 3 to the disaster information server 2, the control unit 33 may transmit the position information to the land subsidence area identification server 4.

[0043] The land subsidence area identifying server 4 causes the land subsidence area identifying unit 42 to identify a land subsidence area based on the altitude information acquired from a plurality of vehicles 3 located in the disaster area (step S104). Note that the land subsidence area identifying server 4 may be configured to execute land subsidence area identification when a predetermined number of altitude information items have been acquired.

[0044] 6 and 7 are diagrams for explaining the setting of land subsidence areas. The land subsidence area identifying unit 42 identifies a land subsidence area based on the position information at the time of measurement of a vehicle 3 in which an elevation difference equal to or greater than a threshold value for determining land subsidence has been detected. For example, the land subsidence area identifying unit 42 calculates the difference between the elevation stored in memory and the acquired elevation, and judges whether the difference is equal to or greater than a threshold value. The threshold value is set based on the difference for determining land subsidence. The land subsidence area identifying unit 42 plots the positions P of vehicles 3 for which the elevation information has a difference equal to or greater than a threshold value on the map information MI (see FIG. 6). The land subsidence area identifying unit 42 sets an area including the plotted positions P of each vehicle 3 (dashed line E C The land subsidence area identifying unit 42 sets an area including the position P based on, for example, contour lines, boundaries of the ground, or the like.

[0045] The land subsidence area identifying server 4 transmits the identifying information of the land subsidence area identified by the land subsidence area identifying unit 42 to the vehicle 3 located in the disaster area (step S105). Note that the land subsidence area identifying server 4 may also transmit the identifying information to vehicles 3 located outside the disaster area.

[0046] The vehicle 3 that has received the specific information controls the vehicle based on the specific information (step S106). Fig. 8 and Fig. 9 are diagrams (part 1) for explaining an example of vehicle control for a land subsidence area. For example, the vehicle 3 displays the land subsidence area E on the display screen W1 of the HMI 34. C on map information D1 (see FIG. 8), and when setting a route, a route that avoids the subsidence area is set, and when entering a road that intersects with a subsidence area, warning information M1 (see FIG. 9) is output to inform the driver that a subsidence area is located ahead.

[0047] In the above-described first embodiment, the land subsidence area identifying server 4 identifies a land subsidence area based on the elevations of a plurality of vehicles 3 and the positions of the vehicles 3. According to the first embodiment, the land subsidence area is identified based on information acquired from a plurality of vehicles 3 traveling in a disaster area, so that when a disaster occurs, it is possible to identify the location where land subsidence has occurred without installing dedicated measuring devices at each measurement location.

[0048] Moreover, in the first embodiment, detection information is obtained from a plurality of vehicles 3 traveling in the land subsidence area, so detection information can be obtained from various positions, compared to a conventional fixedly installed measuring device. According to the first embodiment, the land subsidence area can be specified in more detail, compared to a fixed measuring device.

[0049] (Modification of the first embodiment) Next, a description will be given of a modified example of embodiment 1. The control system according to the modified example has the same configuration as the control system 1 according to embodiment 1, and therefore the description will be omitted.

[0050] Fig. 10 is a sequence diagram showing an example of the process of the land subsidence area identification control according to the embodiment 1. Note that, in the control shown in Fig. 10, similarly to the control shown in Fig. 5, for example, when information related to an earthquake is transmitted as disaster information, disaster area information is transmitted to the vehicle 3 located in an area designated as the disaster area, and the control is repeatedly executed by the control unit 33.

[0051] The land subsidence area identifying server 4 judges whether or not it has received disaster area information from the disaster information server 2 (step S201). If it has not received disaster area information (step S201: No), the land subsidence area identifying server 4 ends the process. Note that confirmation of disaster area information is performed periodically. On the other hand, if it has received disaster area information (step S201: Yes), the land subsidence area identifying server 4 judges that a disaster has occurred and proceeds to step S202.

[0052] In step S202, the land subsidence area specifying server 4 instructs the vehicle 3 located in the disaster area to transmit altitude information.

[0053] In the vehicle 3, when the control unit 33 receives the instruction to transmit the altitude information, it determines whether the vehicle speed is faster than a predetermined vehicle speed (step S203). Here, the predetermined vehicle speed is a preset vehicle speed, and is set based on, for example, an average value or a mode of the vehicle speed traveling on the road. The determination process of step S203 distinguishes between a vehicle traveling at a low speed while stopped or in a parking lot, etc., and a vehicle traveling on the road. If the control unit 33 determines that the vehicle speed is equal to or lower than the predetermined vehicle speed (step S203: No), it proceeds to step S207. On the other hand, if the control unit 33 determines that the vehicle speed is faster than the predetermined vehicle speed (step S203: Yes), it proceeds to step S204.

[0054] In step S204, the altitude information creating unit 33b performs an altitude information creating process. Similar to step S103, the altitude information creating unit 33b creates altitude information including the altitude and the coordinate information at the time of measuring the position information based on the position information (traveling data of the vehicle 3) acquired by the position information acquiring unit 33a, and the control unit 33 transmits the altitude information to the land subsidence area identifying server 4.

[0055] The land subsidence area identifying server 4 causes the land subsidence area identifying unit 42 to identify a land subsidence area based on the altitude information acquired from a plurality of vehicles 3 located in the disaster area (step S205).

[0056] The land subsidence area identifying server 4 transmits identifying information of the land subsidence area identified by the land subsidence area identifying unit 42 to the vehicle 3 located in the disaster area (step S206). At this time, the land subsidence area identifying server 4 may also transmit the identifying information to vehicles 3 located outside the disaster area.

[0057] The vehicle 3 that has received the specific information controls the vehicle based on the specific information (step S207). At this time, the vehicle 3 displays the land subsidence area E on the display screen W1 of the HMI 34 in the same manner as in the first embodiment.C on map information D1 (see FIG. 8), and when setting a route, a route that avoids the subsidence area is set, and when entering a road that intersects with a subsidence area, warning information M1 (see FIG. 9) is output to inform the driver that a subsidence area is located ahead.

[0058] In the modified example described above, as in the embodiment, the subsidence area is identified based on information obtained from multiple vehicles 3 traveling through the disaster area, so that when a disaster occurs, the locations where subsidence has occurred can be identified without having to install dedicated measuring devices at each measurement location.

[0059] Furthermore, in the modified example, the altitude information acquired by the subsidence area identification server 4 is limited to only altitude information of vehicles 3 traveling faster than a predetermined vehicle speed, and does not acquire altitude information from stopped or slow-moving vehicles 3. Therefore, for example, altitude information of vehicles 3 traveling or parked in a multi-story parking lot is excluded, and the altitude at which each vehicle 3 is located can be acquired with high accuracy, making it possible to further ensure the accuracy of subsidence detection.

[0060] (Embodiment 2) Next, a second embodiment will be described. FIG. 11 is a diagram showing a schematic diagram of a control system according to the second embodiment. FIG. 12 is a block diagram for explaining the configuration of the control system according to the second embodiment. A control system 1A according to the second embodiment further includes a vehicle management server 5 in addition to the configuration of the control system 1 according to the first embodiment. The following describes the parts that are different from the first embodiment (the configuration and processing contents of the vehicle management server 5).

[0061] The control system 1A includes a disaster information server 2, a vehicle 3, a land subsidence area specifying server 4, and a vehicle management server 5.

[0062] The vehicle management server 5 is a server installed in, for example, a vehicle management center. The vehicle management center monitors the position information of a plurality of vehicles 3 in real time.

[0063] The disaster information server 2 and the vehicle management server 5 can communicate with each other via a network NW. The network NW is composed of, for example, an Internet line network. In addition, the vehicle 3 and the vehicle management server 5 can communicate with each other wirelessly via the network NW.

[0064] The vehicle management server 5 includes a location information receiving unit 51, a specific information receiving unit 52, a storage unit 53, a control unit 54, and an instruction transmitting unit 55.

[0065] The position information receiving unit 51 receives the current position information transmitted from the vehicle 3. The vehicle management server 5 is capable of receiving the position information of the vehicle 3 transmitted from a plurality of vehicles 3 by the position information receiving unit 51.

[0066] The identifying information receiving unit 52 receives the setting information transmitted from the land subsidence area identifying server 4. This identifying information receiving unit 52 is capable of communicating with the land subsidence area identifying server 4 via the network NW.

[0067] The storage unit 53 stores various information for managing the vehicle 3. For example, the storage unit 53 stores information about an area in which a geofencing zone is set. This geofencing information is information that is stored in advance. The storage unit 53 also has a location information database 53a.

[0068] The position information database 53a stores the position information of the vehicles 3. Based on the position information received by the position information receiving unit 51, the position information on the multiple vehicles 3 is stored in the position information database 53a in real time. That is, the position information stored in the position information database 53a is updated to the latest position information as needed.

[0069] The control unit 54 includes a processor having hardware such as a CPU, etc. The control unit 54 also includes a display control unit 54a.

[0070] The control unit 54 identifies the vehicle 3 located in the disaster area. For example, the control unit 54 identifies the vehicle 3 located in the disaster area based on the position information of the vehicle 3 stored in the storage unit 36 ​​and the position information stored in the position information database 53a. The control unit 54, for example, executes a specific vehicle control (control program) for the identified vehicle 3. In the second embodiment, the control unit 54 includes a first processor.

[0071] The instruction transmitting unit 55 transmits a control instruction for executing a specific vehicle control to the vehicle 3. For example, examples of the control instruction to the target vehicle include an instruction to display a land subsidence area based on specific information, an instruction to prohibit the operation of the engine 12 within a geofencing zone (engine operation prohibition instruction), an instruction to permit the operation of the engine 12 outside the geofencing zone (engine operation permission instruction), and the like.

[0072] In the second embodiment, the vehicle management server 5 receives an instruction to transmit altitude information of the vehicles 3 from the subsidence area identifying server 4, and causes each vehicle 3 to carry out a process of transmitting the altitude information, while transmitting the altitude information to the subsidence area identifying server 4. Furthermore, when the vehicle management server 5 acquires the identifying information from the subsidence area identifying server 4, the display control unit 54a controls the display of the HMI 34 according to the subsidence area for at least the vehicles 3 located in the disaster area. In each vehicle 3, the HMI 34 identifies the area as a subsidence area in accordance with the received instruction.

[0073] In the above-described second embodiment, similarly to the first embodiment, the land subsidence area identifying server 4 identifies a land subsidence area based on the elevations of a plurality of vehicles 3 and the positions of the vehicles 3. According to the second embodiment, the land subsidence area is identified based on information acquired from a plurality of vehicles 3 traveling in the disaster area, so that when a disaster occurs, it is possible to identify the location where land subsidence has occurred without having to install dedicated measuring devices at each measurement location.

[0074] In addition, in the second embodiment, the vehicle management server 5 collectively issues display instructions for specific information to a plurality of vehicles 3, so there is no need for each vehicle 3 to execute processing for display control. This reduces the processing load on the vehicles 3 and suppresses deterioration of the batteries 13 of the vehicles 3.

[0075] In the above-described embodiment, for example, the disaster information server 2 can detect weather information based on information posted on a posting site on the Internet or information sent by a public institution such as a local government. For example, when using information posted on a posting site on the Internet, the disaster information server 2 detects the information via the network NW. Specifically, the server 2 may be configured to detect information indicating an earthquake or the like based on words posted on a social networking service (SNS) on the Internet or words tweeted frequently on a certain day.

[0076] Furthermore, the HMI 34 is not limited to a car navigation device, but may be any device that has a function of transmitting information to the driver through his / her vision, hearing, or perception. For example, the HMI 34 may be an audio device such as an audio device that can notify by voice, or a device that generates vibrations in the driver's seat of the vehicle 3.

[0077] In addition, the vehicle 3 is provided with the motor 11 and the engine 12, and an example has been described in which the vehicle 3 is driven by at least one of them. However, the vehicle 3 may be provided with only the motor 11, and may always be driven by the motor 11.

[0078] In the embodiment, an example has been described in which the vehicle 3 transmits location information including altitude based on the location information acquired by the location information acquisition unit 33a, but altitude fluctuations of the vehicle 3 may be detected using atmospheric pressure data, image data, or the like. Since atmospheric pressure data varies depending on altitude, land subsidence can be detected by comparing atmospheric pressure data acquired from a moving vehicle before and after crossing a land subsidence area, or by comparing atmospheric pressure data between vehicles at the same altitude. Furthermore, land subsidence can be detected by calculating a difference between image data acquired from a vehicle at the same height from the ground surface and past image data at the same position where no land subsidence has occurred.

[0079] In addition, in the embodiment, an example has been described in which the subsidence area identification unit 42 identifies a subsidence area by referring to the elevation (the elevation set as map information) associated with the map information (coordinate information) stored in the memory as the reference elevation, but the subsidence area may also be identified by using a past elevation measured when no subsidence has occurred as the reference elevation.

[0080] (Recording medium) In one embodiment, a program capable of executing the processing method by the control system can be recorded on a recording medium readable by a computer or other machine or device (hereinafter referred to as a computer, etc.). By making a computer, etc. read and execute the program from the recording medium, the computer, etc. functions as a control unit of each device of the power supply control system. Here, a recording medium readable by a computer, etc. refers to a non-transient recording medium that stores information such as data or a program by electrical, magnetic, optical, mechanical, or chemical action and can be read by a computer, etc. Among such recording media, those that can be removed from a computer, etc. include, for example, a flexible disk, a magneto-optical disk, a CD-ROM, a CD-R / W, a DVD (Digital Versatile Disk), a BD (Blu-ray (registered trademark) Disc), a DAT (Digital Audio Tape), a magnetic tape, a memory card such as a flash memory, etc. In addition, a hard disk, a ROM, etc. are examples of recording media fixed to a computer, etc. Furthermore, an SSD can be used as a recording medium that can be removed from a computer, etc., and as a recording medium fixed to a computer, etc.

[0081] (Other embodiments) In addition, in the control system according to an embodiment, the term "unit" may be read as a "circuit" etc. For example, the term "communication unit" may be read as a communication circuit.

[0082] Furthermore, the programs executed by each device in the control system according to one embodiment may be configured to be stored on a computer connected to a network such as the Internet and provided by being downloaded via the network.

[0083] Further advantages and modifications can be readily derived by those skilled in the art. The broader aspects of the present disclosure are not limited to the specific details and representative embodiments shown and described above. Thus, various modifications may be made without departing from the spirit or scope of the general inventive concept as defined by the appended claims and equivalents thereof. [Explanation of symbols]

[0084] 1. Control System 2. Disaster Information Server 3. Vehicle 4. Land subsidence area identification server 5. Vehicle management server 11 Motor 12 Engine 13 Battery 14 Charger 15 Vehicle side connector 16 Inverter 21 Disaster Information Receiving Department 22 Disaster Area Information Creation Department 23 Disaster Area Information Transmission Department 31 GPS receiver 32 Communications Department 33, 54 Control section 33a Location information acquisition unit 33b Elevation Information Creation Department 33c Engine control unit 33d HMI control unit 33e Powertrain control section 34 Human Machine Interface 35 Powertrain 36, 53 Storage section 41 Disaster Area Information Reception Department 42 Land subsidence area identification section 43 Specific information transmission unit 51 Location information receiving unit 52 Specific information receiving unit 54a Display control unit NW Network

Claims

1. A processor for identifying a land subsidence area where land subsidence is estimated to be occurring based on the elevation information measured by the plurality of vehicles; Equipped with The processor, When the vehicle speed is faster than a preset reference vehicle speed, the altitude information is acquired. A device for identifying areas of land subsidence.

2. The processor, determining whether or not the altitude information has a difference equal to or greater than a preset threshold value with respect to reference altitude information; Plotting the measurement positions of the altitude information having a difference equal to or greater than the threshold on map information; an area including a plurality of the plots is set as the land subsidence area; The land subsidence area identifying device according to claim 1 .

3. The altitude information includes information indicating an altitude at which the vehicle is located. The land subsidence area identifying device according to claim 1 or 2.

4. The altitude information includes information indicating an air pressure at a position of the vehicle. The land subsidence area identifying device according to claim 1 or 2.

5. A vehicle control device that controls a vehicle, a processor that transmits altitude information, including the altitude at the position of the vehicle and coordinate information at the time of measuring the position information, to a subsidence area specifying server that specifies a land subsidence area where land subsidence is presumed to be occurring, and controls display on the vehicle based on the land subsidence area specified by the land subsidence area specifying server using the altitude information acquired from each of a plurality of vehicles; Equipped with The processor, transmitting the altitude information to the land subsidence area specifying server when the vehicle speed is faster than a preset reference vehicle speed; Vehicle control device.

6. The processor, displaying an area corresponding to the land subsidence area on map information; The vehicle control device according to claim 5.

7. The processor, Setting a route that avoids the land subsidence area; The vehicle control device according to claim 6.

8. The processor, Reporting the presence of the land subsidence area; The vehicle control device according to claim 5.

9. The processor, When the vehicle enters a road intersecting the land subsidence area, the vehicle notifies the presence of a land subsidence area ahead. The vehicle control device according to claim 8.

10. A first device is a vehicle control device that controls a vehicle, the first device including a first processor that transmits altitude information to a second device that identifies a land subsidence area where land subsidence is estimated to be occurring, and controls a display on the vehicle based on the land subsidence area identified by the second device; a second device including a second processor that identifies a land subsidence area where land subsidence is estimated to be occurring based on each of the altitude information measured by a plurality of vehicles having the first device; Equipped with The first processor, transmitting altitude information to the second device when the vehicle speed of the controlled vehicle is faster than a preset reference vehicle speed; Land subsidence area identification system.

11. The second processor comprises: determining whether or not the altitude information has a difference equal to or greater than a preset threshold value with respect to reference altitude information; Plotting the measurement positions of the altitude information having a difference equal to or greater than the threshold on map information; an area including a plurality of the plots is set as the land subsidence area; The land subsidence area identifying system according to claim 10.

12. The altitude information includes information indicating an altitude at which the vehicle is located. The land subsidence area identifying system according to claim 10 or 11.

13. The altitude information includes information indicating an air pressure at a position of the vehicle. The land subsidence area identifying system according to claim 10 or 11.

14. The first processor, Setting a route that avoids the land subsidence area; The land subsidence area identifying system according to claim 13.

15. The first processor, displaying an area corresponding to the land subsidence area on map information; The land subsidence area identifying system according to claim 10.

16. The first processor, Setting a route that avoids the land subsidence area; The land subsidence area identifying system according to claim 15.

17. The first processor, Reporting the presence of the land subsidence area; The land subsidence area identifying system according to claim 10.

18. The first processor, When the vehicle enters a road intersecting the land subsidence area, the vehicle notifies the driver of the presence of a land subsidence area ahead of the vehicle. The land subsidence area identifying system according to claim 17.

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