JP2017091259A - On-vehicle device and computer program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-vehicle device capable of providing travel information on the travel state of a vehicle to the outside and a computer program to create the on-vehicle device.SOLUTION: An on-vehicle device comprises: a determination unit for determining whether or not a host vehicle is travelling at a prescribed recommended speed; and a transmission unit for transmitting travel information indicating that the host vehicle is travelling at the recommended speed if the determination unit determines that the host vehicle is travelling at the recommended speed.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an in-vehicle device mounted on a vehicle and a computer program for realizing the in-vehicle device.

  In recent years, various technologies for supporting driving of vehicles have been developed. For example, for a plurality of intersections, signal information of traffic lights, distances between vehicles and traffic lights, etc. are obtained, target speed ranges that the vehicle can pass while the traffic lights are green are calculated, and each target speed range for a plurality of traffic lights is calculated. By displaying, a driving support device is disclosed that allows a vehicle to pass through without stopping at a plurality of intersections (see Patent Document 1).

Japanese Patent No. 5459278

  The device of Patent Document 1 has a function of guiding a recommended speed so that it can pass through a plurality of intersections without waiting for a signal, but a rear vehicle following a vehicle traveling at the recommended speed is I do not know that the vehicle ahead is following the recommended speed guidance. In general, the recommended speed is often slower than the speed limit. For this reason, the driver of the rear vehicle may feel uncomfortable and may perform dangerous driving such as increasing the speed of the front vehicle by reducing the distance between the front vehicle and the front vehicle.

  This invention is made in view of such a situation, and provides the vehicle program which can provide the driving | running | working information which concerns on the driving | running | working state of a vehicle outside, and the computer program for implement | achieving this vehicle-mounted apparatus. Objective.

  An in-vehicle device according to an embodiment of the present invention is an in-vehicle device mounted on a host vehicle, and includes a determination unit that determines whether the host vehicle is traveling at a predetermined recommended speed, and the determination unit. A transmission unit that transmits travel information indicating that the host vehicle is traveling at the recommended speed when it is determined that the host vehicle is traveling at the recommended speed;

  In the computer program according to the embodiment of the present invention, the computer determines that the host vehicle is traveling at a predetermined recommended speed, and determines that the host vehicle is traveling at the recommended speed. When it does, it is made to function as a transmission part which transmits the travel information to the effect that the own vehicle is traveling at the recommended speed.

  ADVANTAGE OF THE INVENTION According to this invention, the driving information which concerns on the driving | running | working state of a vehicle can be provided outside.

It is a block diagram which shows an example of a structure of the vehicle-mounted apparatus of 1st Embodiment. It is a schematic diagram which shows an example of the mode of provision of driving | running | working information by the vehicle-mounted apparatus of 1st Embodiment. It is a schematic diagram which shows an example in the case of displaying the driving information which the vehicle equipment of 1st Embodiment provides. It is a block diagram which shows an example of a structure of the vehicle-mounted apparatus of 2nd Embodiment. It is a schematic diagram which shows an example of the mode of provision of driving | running | working information by the vehicle-mounted apparatus of 2nd Embodiment. It is a flowchart which shows an example of the process sequence of the vehicle-mounted apparatus of this Embodiment.

[Description of Embodiment of Present Invention]
An in-vehicle device according to an embodiment of the present invention is an in-vehicle device mounted on a host vehicle, and includes a determination unit that determines whether the host vehicle is traveling at a predetermined recommended speed, and the determination unit. A transmission unit that transmits travel information indicating that the host vehicle is traveling at the recommended speed when it is determined that the host vehicle is traveling at the recommended speed;

  In the computer program according to the embodiment of the present invention, the computer determines that the host vehicle is traveling at a predetermined recommended speed, and determines that the host vehicle is traveling at the recommended speed. When it does, it is made to function as a transmission part which transmits the travel information to the effect that the own vehicle is traveling at the recommended speed.

  The determination unit determines whether or not the host vehicle is traveling at a predetermined recommended speed. When traveling at a predetermined recommended speed, for example, when the vehicle is traveling at a recommended speed at which it is possible to pass through a plurality of intersections without waiting for a signal, or when the vehicle is in the vicinity of its own vehicle (for example, a subsequent vehicle) For example, it is preferable to notify the driver's intention of the host vehicle.

  When it is determined that the host vehicle is traveling at the recommended speed, the transmission unit transmits travel information indicating that the host vehicle is traveling at the recommended speed. The travel information is, for example, information that the host vehicle is traveling at a recommended speed, or information that preferably notifies the driver's intention of the host vehicle. Thereby, the traveling information related to the traveling state of the vehicle can be provided to the outside (for example, the following vehicle). In addition, since the driver of the rear vehicle traveling following the host vehicle knows that the front host vehicle is traveling at the recommended speed, it does not feel uncomfortable, and the distance between the host vehicle and the front host vehicle is reduced. It is possible to prevent a risk of dangerous driving that increases the speed with respect to the host vehicle ahead.

  An in-vehicle device according to an embodiment of the present invention is an in-vehicle device mounted on a host vehicle, and includes a transmission unit that transmits predetermined information indicating that the host vehicle is traveling at a predetermined recommended speed.

  The transmission unit transmits predetermined information indicating that the host vehicle is traveling at a predetermined recommended speed. The predetermined recommended speed is, for example, a speed that can pass through a plurality of intersections without waiting for a signal. The predetermined information is, for example, information that the host vehicle is traveling at the recommended speed, or information that preferably notifies the driver's intention of the host vehicle. Thereby, the traveling information related to the traveling state of the vehicle can be provided to the outside (for example, the following vehicle). In addition, since the driver of the rear vehicle traveling following the host vehicle knows that the front host vehicle is traveling at the recommended speed, it does not feel uncomfortable, and the distance between the host vehicle and the front host vehicle is reduced. It is possible to prevent a risk of dangerous driving that increases the speed with respect to the host vehicle ahead.

  An in-vehicle device according to an embodiment of the present invention includes: a signal information acquisition unit that acquires signal information of signal lamps installed at a plurality of intersections; and a plurality of signal information acquired by the signal information acquisition unit. A recommended speed calculation unit that calculates a recommended speed that can pass through an intersection without waiting for a signal and a speed acquisition unit that acquires the speed of the host vehicle, and the determination unit is a speed acquired by the speed acquisition unit Based on the recommended speed calculated by the recommended speed calculation unit, it is determined whether or not the host vehicle is traveling at a predetermined recommended speed.

  The signal information acquisition unit acquires signal information of signal lamps installed at a plurality of intersections. The signal information includes, for example, the remaining time of the currently displayed lamp color, the display time of each lamp color, and the like.

  The recommended speed calculation unit calculates a recommended speed that can pass through a plurality of intersections without waiting for a signal based on the signal information acquired by the signal information acquisition unit. The recommended speed can be expressed in a required range such as speeds V1 to V2 (> V1). The recommended speed can also be expressed by a required numerical value, for example, V1.

  The speed acquisition unit acquires the speed of the host vehicle. The determination unit determines whether or not the host vehicle is traveling at a predetermined recommended speed based on the speed acquired by the speed acquisition unit and the recommended speed calculated by the recommended speed calculation unit. For example, when the recommended speed is expressed in the range of V1 to V2 and the speed acquired by the speed acquisition unit is V, if V1 ≦ V ≦ V2, the vehicle is determined to be traveling at a predetermined recommended speed. be able to. Further, when the recommended speed is represented by V1, when the speed acquired by the speed acquisition unit is V, it is determined that the host vehicle is traveling at the predetermined recommended speed when V = V1 ± α. Can do. Α may be set as appropriate.

  The in-vehicle device according to the embodiment of the present invention includes a receiving unit that receives predetermined information indicating that another vehicle is traveling at a predetermined recommended speed, and whether or not the own vehicle follows the other vehicle. A tracking determination unit for determining whether the vehicle receives the predetermined information at the reception unit, and determines that the tracking determination unit is following the vehicle, the host vehicle travels at the recommended speed. Sending driving information indicating that

  The receiving unit receives predetermined information indicating that another vehicle is traveling at a predetermined recommended speed. The predetermined information can be received using, for example, vehicle-to-vehicle communication, road-to-vehicle communication, or communication with a server.

  The follow-up determination unit determines whether or not the own vehicle is following another vehicle. The determination of following may be made by, for example, acquiring position information of another vehicle, or may be made by detecting the other vehicle with a camera, an ultrasonic sensor, or a millimeter wave sensor mounted on the own vehicle.

  The transmission unit receives predetermined information by the reception unit, and transmits traveling information indicating that the host vehicle is traveling at the recommended speed when the tracking determination unit determines that the vehicle is following. As a result, since it can be seen that the other vehicle that the host vehicle follows is traveling at the recommended speed, the driver of the host vehicle can select an environment-friendly driving without feeling uncomfortable. In addition, even when the host vehicle does not have the recommended speed guidance function, it can be understood that the host vehicle is traveling at the recommended speed by following another vehicle (front vehicle) having the recommended speed guidance function. Information indicating that the host vehicle is traveling at the recommended speed can be provided to surrounding vehicles.

[Details of the embodiment of the present invention]
(First embodiment)
DESCRIPTION OF EMBODIMENTS Hereinafter, an in-vehicle device and a computer program according to embodiments of the present invention will be described based on the drawings. FIG. 1 is a block diagram illustrating an example of the configuration of the in-vehicle device 100 according to the first embodiment. The in-vehicle device 100 includes a control unit 10 that controls the entire device, a communication unit 11, a signal information acquisition unit 12, a recommended speed calculation unit 13, a determination unit 14, a speed acquisition unit 15, and the like. The in-vehicle device 100 can be mounted on a vehicle. In the following description, it is assumed that the vehicle is equipped with the in-vehicle device 100.

  The communication unit 11 has functions such as vehicle-to-vehicle communication, road-to-vehicle communication with a roadside device (not shown), communication via a telephone line with a server (not shown), or Internet communication. The server is, for example, a global telematics server, which can collect probe information from a probe vehicle and transmit recommended route information or road traffic information according to a request from the vehicle.

  The signal information acquisition unit 12 acquires signal information of signal lamps installed at a plurality of intersections. The signal information includes, for example, the remaining time of the currently displayed lamp color, the display time of each lamp color, and the like.

  The recommended speed calculation unit 13 calculates a recommended speed that can pass through a plurality of intersections without waiting for a signal based on the signal information acquired by the signal information acquisition unit 12. The recommended speed can be expressed in a required range such as speeds V1 to V2 (> V1). The recommended speed can also be expressed by a required numerical value, for example, V1.

  The speed acquisition unit 15 acquires the speed of the host vehicle. Specifically, the speed of the host vehicle can be acquired from a vehicle speed sensor or the like mounted on the vehicle.

  The determination unit 14 determines whether or not the host vehicle is traveling at a predetermined recommended speed. When traveling at a predetermined recommended speed, for example, when the vehicle is traveling at a recommended speed at which it is possible to pass through a plurality of intersections without waiting for a signal, or when the vehicle is in the vicinity of its own vehicle (for example, a subsequent vehicle) For example, it is preferable to notify the driver's intention of the host vehicle.

  More specifically, the determination unit 14 determines whether or not the host vehicle is traveling at a predetermined recommended speed based on the speed acquired by the speed acquisition unit 15 and the recommended speed calculated by the recommended speed calculation unit 13. judge. For example, when the recommended speed is expressed in the range of V1 to V2 and the speed acquired by the speed acquisition unit is V, if V1 ≦ V ≦ V2, the vehicle is determined to be traveling at a predetermined recommended speed. be able to. Further, when the recommended speed is represented by V1, when the speed acquired by the speed acquisition unit is V, it is determined that the host vehicle is traveling at the predetermined recommended speed when V = V1 ± α. Can do. Α may be set as appropriate.

  The communication unit 11 has a function as a transmission unit, and transmits predetermined information indicating that the host vehicle is traveling at a predetermined recommended speed. For example, when the determination unit 14 determines that the host vehicle is traveling at the recommended speed, the communication unit 11 can transmit travel information indicating that the host vehicle is traveling at the recommended speed. The travel information is, for example, information that the host vehicle is traveling at a recommended speed, or information that preferably notifies the driver's intention of the host vehicle.

  Thereby, the traveling information related to the traveling state of the vehicle can be provided to the outside (for example, the following vehicle). In addition, since the driver of the rear vehicle traveling following the host vehicle knows that the front host vehicle is traveling at the recommended speed, it does not feel uncomfortable, and the distance between the host vehicle and the front host vehicle is reduced. It is possible to prevent a risk of dangerous driving that increases the speed with respect to the host vehicle ahead.

  FIG. 2 is a schematic diagram illustrating an example of how travel information is provided by the in-vehicle device 100 according to the first embodiment. The example of FIG. 2 illustrates a host vehicle 1 and a plurality of rear vehicles 2 following the host vehicle on a road connecting adjacent intersections. Traffic lights 201 and 202 are installed at adjacent intersections. A roadside device 300 is installed at an appropriate location on the road.

  The host vehicle 1 is traveling at a recommended speed at which the traffic lights 201 and 202 can pass through each intersection without waiting for a signal.

  The in-vehicle device 100 can provide information indicating that the host vehicle 1 is traveling at the recommended speed to the outside. Further, since the driver of the rear vehicle 2 traveling following the host vehicle 1 knows that the front host vehicle 1 is traveling at the recommended speed, the driver does not feel uncomfortable. Therefore, it is possible to prevent a risk of dangerous driving that increases the speed of the vehicle 1 ahead by reducing the distance between the vehicles.

  As shown in FIG. 2, the driver of the rear vehicle (first and third rear vehicles in FIG. 2) follows the own vehicle 1 and travels at the recommended speed, thereby driving environmentally friendly. You can choose. In addition, when it is desired to temporarily stop the vehicle in order to operate the navigation device, it is possible to select driving that overtakes the own vehicle 1 and waits for a signal at the intersection (second rear vehicle in FIG. 2). .

  Next, an example of using travel information provided by the in-vehicle device 100 (information indicating that the vehicle is traveling at a recommended speed) will be described.

  FIG. 3 is a schematic diagram illustrating an example of displaying travel information provided by the in-vehicle device 100 according to the first embodiment. As shown in FIG. 3, the fact that the ECO operation is being performed can be displayed by a license plate frame (for example, the color of the frame is blue). In addition, the display example is an example, and is not limited to the example of FIG.

  By performing the display as shown in FIG. 3, even if the vehicle does not have a wireless communication function, the following vehicle following the vehicle is notified of information indicating that the vehicle is traveling at the recommended speed. be able to.

(Second Embodiment)
FIG. 4 is a block diagram illustrating an example of the configuration of the in-vehicle device 120 according to the second embodiment. The difference from the in-vehicle device 100 of the first embodiment illustrated in FIG. 1 is that a tracking determination unit 16 is provided instead of the signal information acquisition unit 12, the recommended speed calculation unit 13, and the speed acquisition unit 15. That is, the in-vehicle device 120 of the second embodiment does not have a recommended speed calculation function. Below, the same code | symbol is attached | subjected to the location similar to 1st Embodiment, and description is abbreviate | omitted. Note that the in-vehicle device 120 illustrated in FIG. 4 may include a signal information acquisition unit 12, a recommended speed calculation unit 13, and a speed acquisition unit 15.

  The communication unit 11 has a function as a receiving unit, and receives predetermined information indicating that another vehicle is traveling at a predetermined recommended speed. The predetermined information can be received using, for example, vehicle-to-vehicle communication, road-to-vehicle communication, or communication with a server.

  The follow-up determination unit 16 determines whether or not the own vehicle is following another vehicle. The determination of following may be made by, for example, acquiring position information of another vehicle, or may be made by detecting the other vehicle with a camera, an ultrasonic sensor, or a millimeter wave sensor mounted on the own vehicle.

  The determination unit 14 receives predetermined information indicating that the other vehicle is traveling at a predetermined recommended speed in the communication unit 11, and determines that the own vehicle is following the other vehicle in the follow-up determination unit. It is determined that the host vehicle is traveling at the recommended speed. Note that the function of the determination unit 14 may be incorporated in the follow-up determination unit 16.

  In addition, when the communication unit 11 receives predetermined information indicating that the other vehicle is traveling at the predetermined recommended speed and determines that the own vehicle is following the other vehicle, the communication determining unit 11 The travel information indicating that the vehicle is traveling at the recommended speed is transmitted.

  As a result, since it can be seen that the other vehicle that the host vehicle follows is traveling at the recommended speed, the driver of the host vehicle can select an environment-friendly driving without feeling uncomfortable. Even if the host vehicle does not have the recommended speed guidance function or the recommended speed calculation function, the host vehicle follows the other vehicle (front vehicle) having the recommended speed guidance function or the recommended speed calculation function, so that the host vehicle It can be understood that the vehicle is traveling, and information indicating that the host vehicle is traveling at the recommended speed can be provided to surrounding vehicles of the host vehicle.

  FIG. 5 is a schematic diagram illustrating an example of a state in which travel information is provided by the in-vehicle device 120 according to the second embodiment. The example of FIG. 5 illustrates a host vehicle 1, a rear vehicle 2 that follows the host vehicle, and a front vehicle 3 that the host vehicle 1 tracks on a road that connects adjacent intersections. Traffic lights 201 and 202 are installed at adjacent intersections. A roadside device 300 is installed at an appropriate location on the road.

  As shown in FIG. 5, the driver of the host vehicle 1 does not feel uncomfortable because it can be seen that the forward vehicle 3 (another vehicle) that the host vehicle 1 follows is traveling at the recommended speed. Even if the host vehicle 1 does not have the recommended speed calculation function or the recommended speed guidance function, the driver of the host vehicle 1 can follow the environment by following the forward vehicle 3 having the recommended speed calculation function or the recommended speed guidance function. You can choose friendly driving.

  In addition, the example of FIG. 5 is a road with one lane on one side. However, in the case of a road with two lanes on one side, the own vehicle 1 can pass the preceding vehicle 3, so that, for example, When it is desired to temporarily stop the vehicle 1, it is possible to select an operation in which the vehicle ahead of the following vehicle 3 to be followed and waits for a signal at the intersection.

  Next, the operation of the in-vehicle devices 100 and 120 according to the first embodiment and the second embodiment will be described. FIG. 6 is a flowchart illustrating an example of a processing procedure of the in-vehicle devices 100 and 120 according to the present embodiment. In the following, the processing subject will be described as the control unit 10 for convenience.

  The control unit 10 determines whether or not the host vehicle is traveling at the recommended speed (S11), and if the host vehicle is traveling at the recommended speed (YES in S11), the fact that the host vehicle is traveling at the recommended speed. Is output (S12), and the process of step S15 described later is performed.

  If the host vehicle is not traveling at the recommended speed (NO in S11), the control unit 10 determines whether or not the vehicle is following the preceding vehicle (S13), and if the vehicle is following the preceding vehicle (YES in S13). Then, it is determined whether or not the preceding vehicle is traveling at the recommended speed (S14). It should be noted that the case where it is determined that the host vehicle is not traveling at the recommended speed includes the case where the host vehicle does not have a function for calculating the recommended speed.

  When the preceding vehicle is traveling at the recommended speed (YES in S14), the control unit 10 performs the process of step S12. If the host vehicle does not follow the preceding vehicle (NO in S13), or if the preceding vehicle is not traveling at the recommended speed (NO in S14), the control unit 10 performs a process in step S15 described later.

  The control unit 10 determines whether or not to end the process (S15). If the process is not ended (NO in S15), the process after step S11 is continued. When the process ends (YES in S15), the control unit 10 ends the process.

  The in-vehicle devices 100 and 120 according to the present embodiment can also be realized using a general-purpose computer including a CPU (processor), a RAM, and the like. That is, as shown in FIG. 6, a computer program that defines the procedure of each process is loaded into a RAM provided in the computer, and the computer program is executed by a CPU (processor), whereby the in-vehicle devices 100 and 120 are executed on the computer. Can be realized.

  The disclosed embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

DESCRIPTION OF SYMBOLS 1 Own vehicle 2 Rear vehicle 3 Front vehicle 10 Control part 11 Communication part 12 Signal information acquisition part 13 Recommended speed calculation part 14 Determination part 15 Speed acquisition part 16 Follow-up determination part 100,120 In-vehicle apparatus 201,202 Signal apparatus 300 Roadside apparatus

Claims (5)

An in-vehicle device mounted on the host vehicle,
A determination unit that determines whether or not the host vehicle is traveling at a predetermined recommended speed;
A vehicle-mounted device comprising: a transmission unit that transmits travel information indicating that the host vehicle is traveling at the recommended speed when the determination unit determines that the host vehicle is traveling at the recommended speed. An in-vehicle device mounted on the host vehicle,
An in-vehicle device including a transmission unit that transmits predetermined information indicating that the host vehicle is traveling at a predetermined recommended speed. A signal information acquisition unit for acquiring signal information of signal lamps installed at a plurality of intersections;
Based on the signal information acquired by the signal information acquisition unit, a recommended speed calculation unit that calculates a recommended speed that can pass through the plurality of intersections without waiting for a signal;
A speed acquisition unit that acquires the speed of the host vehicle,
The determination unit
3. The method according to claim 1, wherein it is determined whether the host vehicle is traveling at a predetermined recommended speed based on the speed acquired by the speed acquisition unit and the recommended speed calculated by the recommended speed calculation unit. In-vehicle device. A receiving unit that receives predetermined information indicating that another vehicle is traveling at a predetermined recommended speed;
A tracking determination unit that determines whether or not the host vehicle is following the other vehicle,
The transmitter is
The travel information indicating that the host vehicle is traveling at the recommended speed is transmitted when the reception unit receives the predetermined information and the tracking determination unit determines that the vehicle is following. 4. The in-vehicle device according to any one of up to 3. Computer
A determination unit that determines whether or not the host vehicle is traveling at a predetermined recommended speed;
A computer program that functions as a transmission unit that transmits travel information indicating that the host vehicle is traveling at the recommended speed when it is determined that the host vehicle is traveling at the recommended speed.

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