JP4075747B2 - Group travel support device - Google Patents

Description

  The present invention relates to a group travel support device that presents the position of a vehicle belonging to a group when the plurality of vehicles travel in a group.

  Conventionally, various navigation devices have been proposed. Among them, when a plurality of vehicles travel in a group, the position of the vehicle belonging to the group is displayed on a monitor mounted on each vehicle. A technique for supporting smooth travel with other vehicles belonging to the group is known (see, for example, Patent Document 1).

  This Patent Document 1 discloses a vehicle navigation device that is mounted on each of a plurality of vehicles that travel in a group, and that enables mutual communication of information between the vehicles in the group.

  In particular, the vehicle navigation apparatus includes a detection unit that detects a current position and a traveling state of the host vehicle, and a communication unit that performs mutual communication of information with other vehicles in the group. When the information is received from other vehicles in the group, the current position of the other vehicles and the driving situation are calculated based on the information received from the other vehicles, and the other vehicles in the group are connected via the communication means. In the case of transmitting information to the vehicle, information to be transmitted to another vehicle is created based on the current position / running situation of the host vehicle detected by the detection unit, and the information is transmitted via the communication unit.

The navigation device can also make a call via a call button. As a result, in this navigation device, during group traveling of a plurality of vehicles, the position of related vehicles in the group, traveling conditions such as vehicle speed and vehicle direction, etc. are displayed to enable smooth group traveling. .
Japanese Patent Laid-Open No. 6-282895

  However, in the conventional technology, at the time of departure, it is necessary to confirm the departure by calling each of a plurality of vehicles, for example, five vehicles, and a complicated feeling cannot be denied. Further, when departure confirmation is performed using a mobile phone, there is a problem that the call charge increases as the number of vehicles belonging to the group increases. Furthermore, even if it is possible to make an immediate call between multiple vehicles via amateur radio, etc., it is difficult for the caller to determine who it is and until the final agreement is reached It took time and effort.

  Therefore, the present invention has been proposed in view of the above-described problems, and an object of the present invention is to provide a group travel support device capable of performing departure confirmation extremely easily.

In the group travel support device according to the present invention, based on the vehicle information obtained by monitoring the state of the host vehicle, it is determined whether or not the host vehicle can depart, and between the other vehicles belonging to the group. Based on the communication information, the own vehicle departure possibility determination information indicating whether or not the own vehicle can depart, and the other vehicle departure possibility determination information indicating whether or not the other vehicle belonging to the group can depart, The above-mentioned problem is solved by displaying on the display means whether or not the own vehicle and other vehicles belonging to the group can depart, and the reason why the other vehicle cannot depart .

  According to the group travel support device of the present invention, the departure possibility determination information based on the vehicle state is exchanged within the group, and whether or not departure is possible is displayed on the display means, so that departure confirmation can be performed very easily. Can do.

  Hereinafter, specific embodiments to which the present invention is applied will be described in detail with reference to the drawings.

  In this embodiment, when a plurality of vehicles travel in a group, information on vehicles belonging to the group is presented in each vehicle, thereby supporting smooth traveling with other vehicles belonging to the group. This is a group driving support system.

[First Embodiment]
First, a group travel support system according to a first embodiment to which the present invention is applied will be described.

[Configuration of group driving support system]
In the group travel support system according to the first embodiment, each vehicle includes a group travel support device as shown in FIG. That is, the group travel support device can start the control unit 10 that controls each unit in an integrated manner, the own vehicle position measurement unit 20 that measures the current position of the own vehicle, and the other vehicle belonging to the group and the group. A display unit 30 for displaying whether or not, a vehicle state monitoring unit 40 for monitoring the state of the host vehicle, a startability determining unit 50 for determining whether or not the host vehicle can start, and a state of the ignition key. An ignition key state detection unit 60 that outputs an ignition signal and a communication unit 70 that performs communication with other vehicles belonging to the group are provided.

  Based on the ignition signal output from the ignition key state detection unit 60, the control unit 10 establishes communication with other vehicles belonging to the group when the ignition key is turned on and power supply to each part of the vehicle is started. At the same time, own vehicle departure possibility determination information indicating whether or not the own vehicle supplied from the departure possibility determination unit 50 can start is input and supplied to the communication unit 70.

  When the control unit 10 determines that the host vehicle cannot start based on the host vehicle departure possibility determination information, the control unit 10 supplies the communication unit 70 with the vehicle information acquired by the vehicle state monitoring unit 40.

  Further, the control unit 10 determines whether or not other vehicles belonging to the group received by the communication unit 70 can depart, and whether or not the own vehicle can be departed from the departure possibility determination unit 50. Information is supplied to the display unit 30, and when there is another vehicle that cannot depart, vehicle information acquired by the vehicle state monitoring unit 40 of the other vehicle that cannot depart via the communication unit 70 It is received and supplied to the display unit 30.

  The own vehicle position measurement unit 20 is connected to a GPS (Global Positioning System) receiver 21, a gyro sensor 22, and a vehicle speed sensor 23. The own vehicle position measuring unit 20 receives the radio wave from the GPS satellite by the GPS receiver 21 and measures the current position of the own vehicle based on the time difference until the radio wave from each GPS satellite is received. In addition, when the GPS receiver 21 cannot receive the radio wave from the GPS satellite, the own vehicle position measuring unit 20 detects the traveling direction of the own vehicle by the gyro sensor 22 and the traveling speed of the own vehicle by the vehicle speed sensor 23. And the position of the host vehicle is measured based on the detection results of the gyro sensor 22 and the vehicle speed sensor 23. The own vehicle position measurement unit 20 supplies own vehicle position information indicating the current position of the measured own vehicle to the departure possibility determination unit 50.

  When the host vehicle departure possibility determination information and the other vehicle departure possibility determination information are supplied from the control unit 10, the display unit 30 determines whether or not the host vehicle and other vehicles belonging to the group can leave when leaving the group. When there is a vehicle that cannot depart, the vehicle information acquired by the vehicle state monitoring unit 40 of the other vehicle that cannot depart is displayed.

  The vehicle state monitoring unit 40 controls the position of the shift lever, the parking brake state, the seat belt wearing state, the gasoline remaining amount, the battery remaining amount, the engine speed, and the presence or absence of passengers according to the control of the control unit 10. At least one vehicle state is monitored among the detection results of the passenger sensor to be detected and the open / closed state of the door. The vehicle state monitoring unit 40 supplies the vehicle information acquired by monitoring to the departure possibility determination unit 50.

  Based on the vehicle position information indicating the current position of the vehicle supplied from the vehicle position positioning unit 20 and the vehicle information supplied from the vehicle state monitoring unit 40, the departure possibility determination unit 50 departs from the vehicle. Determine whether it is possible. The departure possibility determination unit 50 supplies the control unit 10 with the own vehicle departure possibility determination information indicating whether or not the own vehicle can leave.

  The ignition key state detection unit 60 outputs an ignition signal indicating that the ignition key is turned on to the control unit 10.

  The communication unit 70 performs voice communication and data communication with other vehicles belonging to the group. For example, IEEE (Institute of Electrical and Electronic Engineers) 802.11b which is a so-called wireless LAN (Local Area Network) standard. IEEE802.11a, IEEE802.11g, MC-CDMA (MultiCarrier-Code Division Multiple Access) system and W-CDMA (Wideband-Code Division Multiple Access) system corresponding to the so-called IMT-2000 (International Mobile Telecommunications-2000) system A mobile phone or the like conforming to the above is applied.

  The communication unit 70 transmits the own vehicle departure possibility determination information from the control unit 10 to other vehicles belonging to the group, and uses the departure possibility determination information transmitted from the other vehicles belonging to the group as other vehicle departure possibility determination information. Received and supplied to the control unit 10. In addition, when the own vehicle cannot depart, the communication unit 70 transmits the vehicle information acquired by the vehicle state monitoring unit 40 and supplied from the control unit 10 to other vehicles belonging to the group, and the departure When there is another vehicle that cannot be used, the vehicle information acquired by the vehicle state monitoring unit 40 of the other vehicle that cannot start is received and supplied to the control unit 10.

  A group travel support system constituted by a plurality of vehicles provided with such a group travel support device transfers departure possibility determination information between the vehicles based on the vehicle information indicating the vehicle state of each vehicle. Whether or not the vehicle can depart is displayed on the display unit 30 to confirm the departure, and support smooth running with other vehicles belonging to the group.

[Operation of group driving support system]
Specifically, the group travel support system supports smooth travel with other vehicles belonging to the group through a series of processes as shown in FIG.

  First, in each vehicle, when the control unit 10 recognizes in step S1 that the ignition key is turned on and the vehicle is started based on the ignition signal output from the ignition key state detection unit 60, in step S2, Detection by the vehicle state monitoring unit 40 that detects the position of the shift lever, the state of the parking brake, the state of wearing the seat belt, the remaining amount of gasoline, the remaining amount of battery, the number of revolutions of the engine, and the presence or absence of passengers As a result, at least one vehicle state is detected among the open / closed states of the door, and the acquired vehicle information is supplied to the departure possibility determination unit 50.

  Subsequently, in step S3, the departure possibility determination unit 50 determines whether or not the own vehicle can immediately depart based on the vehicle information acquired in step S2, and controls the own vehicle departure possibility determination information. Supplied to the unit 10.

  In step S4, the control unit 10 controls the communication unit 70 so as to establish communication with other vehicles belonging to the group. In step S5, the control unit 10 determines the own vehicle departure possibility determination information supplied from the departure possibility determination unit 50. The information is supplied to the communication unit 70 and transmitted to another vehicle, and the other vehicle departure possibility determination information is received via the communication unit 70.

  Next, in step S6, the control unit 10 supplies the other vehicle departure possibility determination information received in step S5 and the own vehicle departure possibility determination information acquired in step S3 to the display unit 30. Whether or not the vehicle can depart is displayed on the display unit 30, and in step S7, when there is a vehicle that cannot depart, vehicle information of the other vehicle that cannot depart is displayed.

  Then, in step S8, the control unit 10 determines whether or not all the vehicles in the group including the own vehicle can be departed. If all the vehicles can depart, a series of processing is performed as it is. On the other hand, if not all the vehicles are allowed to depart, the process from step S2 is repeated after a predetermined time, for example, 5 seconds later, and a new departure confirmation is performed.

  Through such a series of processing, the group driving support system sends and receives startability determination information based on vehicle information indicating the vehicle state of each vehicle, and whether or not each vehicle can leave. By displaying this on the display unit 30, departure confirmation can be performed very easily, and smooth running with other vehicles belonging to the group can be supported.

  In the group driving support system, each vehicle performs departure confirmation in a predetermined area centered on the own vehicle when the ignition signal is on under the control of the control unit 10. The departure confirmation will not continue indefinitely.

[Effect of the first embodiment]
As described above in detail, according to the group travel support system according to the first embodiment, the host vehicle is based on the vehicle information acquired by monitoring the state of the host vehicle by the group travel support device in each vehicle. Judgment is made whether or not the vehicle can be departed, and communication is performed with other vehicles belonging to the group. By displaying on the display unit 30 whether or not another vehicle can be departed, departure confirmation can be performed very easily, and smooth running with other vehicles belonging to the group can be supported.

  Further, according to this group travel support system, when there is a vehicle that cannot depart, vehicle information of the vehicle that cannot depart is received and displayed via the communication unit 70. Based on the information, the reason why the user cannot leave can be determined.

  In particular, the vehicle state monitoring unit 40 in each vehicle detects the position of the shift lever, the state of the parking brake, the state of wearing the seat belt, the remaining amount of gasoline, the remaining amount of the battery, the engine speed, and the presence of passengers. By monitoring at least one vehicle state among the detection results of the passenger sensor and the door open / closed state, it is possible to determine the reason why the vehicle cannot be surely started based on the vehicle information indicating the vehicle state. Can do.

  Furthermore, according to this group driving support system, when the ignition signal output by the ignition key state detection unit 60 is in the on state, the departure confirmation is performed for a predetermined area centered on the own vehicle. Therefore, it is possible to avoid a situation in which departure confirmation is continued indefinitely.

[Second Embodiment]
Next, a group travel support system according to the second embodiment will be described. In the description of the second embodiment, the same parts as those in the first embodiment described above are denoted by the same reference numerals and the same step numbers, and detailed description thereof is omitted.

  In the group driving support system according to the second embodiment, when there is a vehicle that cannot depart, the voice communication is established between the vehicle that cannot depart and the leading vehicle, and departs by voice call. This is to confirm the cause of the failure.

[Configuration of group driving support system]
In the group travel support system according to the second embodiment, each vehicle includes a group travel support device as shown in FIG. That is, the group driving support device includes a control unit 10, a vehicle position measurement unit 20, a display unit 30, a vehicle state monitoring unit 40, a departure possibility determination unit 50, an ignition key state detection unit 60, a communication unit 70, a voice, A microphone 80 and a speaker 90 for making a call, and a leading vehicle determination unit 100 that determines a leading vehicle in the group are provided.

  The microphone 80 is connected to the control unit 10 and supplies an audio signal uttered and input by the occupant to the control unit 10. The control unit 10 performs predetermined audio processing on the audio signal supplied from the microphone 80 and transmits the audio signal to another vehicle via the communication unit 70.

  The speaker 90 is connected to the control unit 10 and outputs an audio signal that is received by the communication unit 70 and uttered by an occupant of another vehicle that has been subjected to predetermined audio processing and restored by the control unit 10.

  The microphone 80, the speaker 90, and the control unit 10 can establish a voice communication with a vehicle that cannot depart when a vehicle that cannot depart exists and can make a voice call. And

  The leading vehicle determination unit 100 determines a vehicle having a high frequency of traveling at the head during group traveling as a leading vehicle among the vehicles belonging to the group. Specifically, the leading vehicle determination unit 100 stores the number of times that the host vehicle has become the head of the group, and exchanges the number of times between the vehicles belonging to the group via the communication unit 70, Determine the leading vehicle. The leading vehicle determination unit 100 supplies leading vehicle information acquired by determination to the control unit 10.

  When there is a vehicle that cannot be departed from, a group travel support system that is configured by a plurality of vehicles that include such a group travel support device, between the vehicle that cannot depart and the leading vehicle Establish voice communication and confirm the reason why you cannot leave via voice call.

[Operation of group driving support system]
Specifically, the group driving support system performs a series of processes as shown in FIG. 4 to confirm the reason why the vehicle cannot start by voice call between the vehicle that cannot start and the leading vehicle. Do.

  First, in the group travel support system for each vehicle, each vehicle can check the departure of each vehicle belonging to the group by performing the processing of step S1 to step S7 shown in FIG. When the vehicle exists, the vehicle information acquired by the vehicle state monitoring unit 40 in the other vehicle that cannot depart is displayed on the display unit 30.

  Here, the leading vehicle determination unit 100 determines the leading vehicle in the group traveling in step S11, and in step S12, the control unit 10 controls the communication unit 70 so as to establish voice communication with the leading vehicle. Thus, it is possible to make a voice call with the leading vehicle.

  Then, in step S13, the control unit 10 makes it possible to confirm the cause of the departure from the leading vehicle via a voice call using the microphone 80 and the speaker 90, and ends the series of processes.

  The group driving support system performs a series of processes as described above, and if there is a vehicle that cannot be departed as a result of confirming the departure, the group driving support system will By establishing voice communication and making it possible to confirm the cause of being unable to leave via a voice call, smooth running with other vehicles belonging to the group can be supported.

  Specifically, the group travel support system is suitable for application to cases as shown in FIGS. Here, a case where five vehicles A, B, C, D, and E perform group traveling will be described.

  First, each vehicle determines whether it is ready for departure including the other vehicles included in the same group by performing the processing of step S1 to step S7 in FIG. Here, each vehicle departs when the shift lever is in the drive range, the parking brake is in the off state, the engine is in the driving state, the gasoline is sufficient, and the seat belt is in the attached state. Assume that it is in a possible state. As a result, as shown in FIG. 5, the vehicles A, B, C, and D are in a state where they can start, but only the vehicle E is determined not to be in a state where it can start without a seat belt. It shall be assumed. Here, as shown in FIG. 5, display control is performed on each vehicle so that the group configuration including the host vehicle and other vehicles and the departure state status of each vehicle are displayed in different colors.

  Therefore, the vehicle A as the leading vehicle establishes voice communication with the vehicle E by performing the processes of steps S11 to S13 in FIG. 4, and starts by voice call as shown in FIG. Check the cause of failure.

  In response to this, when the vehicle A as the leading vehicle grasps the reason why the vehicle E cannot depart, the vehicle A establishes voice communication with all the vehicles. As shown in FIG. Tell them to wait until they are ready to leave.

  Then, when the vehicle E shifts to a state where it can depart, as shown in FIG. 8, the fact is transmitted to the vehicle A by voice call, and the vehicle A that has received this voice call calls that it departs. Is transmitted to all vehicles. Accordingly, it is possible to display control that the color-coded display of the departure state status of the vehicles A to E can be started, and notify the passengers of each vehicle.

  In this way, the group driving support system can check departures very easily by checking the cause of departure through a voice call, and can smoothly run with other vehicles belonging to the group. Can help.

  In this case, in the group driving support system, each vehicle is also targeted for a predetermined area centered on the own vehicle when the ignition signal is on under the control of the control unit 10. The departure confirmation is performed and the departure confirmation is not continued indefinitely.

[Effects of Second Embodiment]
As described above in detail, in the group travel support system according to the second embodiment, the group travel support device in each vehicle is a vehicle that cannot depart when there is a vehicle that cannot depart. By establishing voice communication between the two and making it possible to make a voice call, it is possible to automatically make a voice call. It is possible to check the cause of the failure.

  Further, in this group travel support system, the group travel support device in each vehicle includes a leading vehicle determination unit 100 that determines the leading vehicle, and enables a voice call between the vehicle that cannot start and the leading vehicle. In this way, in the group driving support system, by setting a vehicle that performs a voice call with a vehicle that cannot be departed as a leading vehicle, it is possible for the leading vehicle to determine whether or not the group departs. Can be improved.

  In addition, the leading vehicle determination part 100 in each vehicle does not require any complicated operation by determining a vehicle having a high frequency of traveling at the head during group traveling as a leading vehicle among the vehicles belonging to the group. The leading vehicle can be set automatically.

[Third Embodiment]
Next, a group travel support system according to the third embodiment will be described. In the description of the third embodiment, the same parts as those in the first embodiment and the second embodiment described above are denoted by the same reference numerals and the same step numbers, and detailed description thereof is omitted. To do.

  Similar to the second embodiment, the group travel support system according to the third embodiment performs voice communication between the vehicle that cannot depart and the leading vehicle when there is a vehicle that cannot depart. If the vehicle is in a state where it cannot leave for the time being, the auxiliary vehicle that assists (follows) the driving of the vehicle will be confirmed. To decide.

  In the group travel support system according to the third embodiment, each vehicle includes a group travel support device configured similarly to the group travel support device in the group travel support system according to the second embodiment shown in FIG. Prepare.

[Operation of group driving support system]
The group driving support system configured by a plurality of vehicles including such a group driving support device is configured to perform the departure when there is a vehicle that cannot be started through a series of processes shown in FIG. When establishing a voice communication between the vehicle that cannot be used and the leading vehicle and confirming the cause of the failure to leave via voice call, the vehicle is in a state where it cannot leave for the time being The auxiliary vehicle that follows the vehicle is determined.

  First, in the group driving support system, when the departure confirmation of each vehicle belonging to the group is performed by performing the processing of step S1 to step S7 shown in FIG. 4, there is a vehicle that cannot be departed. Displays the vehicle information acquired by the vehicle state monitoring unit 40 in the other vehicle that cannot depart, on the display unit 30 of each vehicle, and performs the processing of step S11 to step S13, thereby making it possible to Voice communication is established, and the cause of the departure from the leading vehicle via voice call is confirmed.

  Then, in step S21, the control unit 10 in the lead vehicle determines an auxiliary vehicle that follows the vehicle that cannot depart, and in step S22, the group travel support of each vehicle other than the vehicle that cannot depart and the auxiliary vehicle. Information indicating that the group running is to be resumed is sent to the apparatus, and the series of processes is terminated. At this time, the lead vehicle receives the position information of all the vehicles included in the group, and sends information for determining the vehicle closest to the position of the vehicle that cannot depart as an auxiliary vehicle.

  The group driving support system performs a series of processes as described above, and if there is a vehicle that cannot be departed as a result of confirming the departure, the group driving support system will To establish a voice communication and confirm the reason why it is not possible to leave via voice call, and if the vehicle is in a state where it cannot leave for the time being, By determining, smooth running with other vehicles belonging to the group can be supported.

  Specifically, the group travel support system is suitable for application to cases as shown in FIGS. Here, the case where five vehicles A, B, C, D, and E perform group traveling will be described.

  First, each vehicle checks whether it is ready for departure by performing steps S1 to S7 and steps S11 to S13 in FIG. Here, as shown in FIG. 6, although the vehicles A, B, C, and D are in a state where they can start, only the vehicle E is determined not to have a seat belt and is not ready to start. It shall be assumed.

  Therefore, the vehicle A and the vehicle E, which are the leading vehicles, establish the voice communication between the vehicles A and E by performing the processes of steps S11 to S13 in FIG. 9, and as shown in FIG. Make sure of the reason why you can't leave.

  In response to this, when the vehicle A as the leading vehicle grasps the reason why the vehicle E cannot depart, the vehicle A establishes voice communication with all the vehicles. Tell them to wait until they are ready to leave.

  However, as shown in FIG. 12, when the reason why the vehicle E cannot depart is not avoided, the vehicle A makes a voice call with the vehicle D located near the vehicle E as shown in FIG. 13. Information for establishing communication is sent, information for requesting the vehicle D to be followed is sent to the vehicle D, and information indicating that the vehicle E is assisted by the vehicle D is sent to the vehicles B and C.

  In this way, the group driving support system makes it possible to confirm the cause of the inability to depart via a voice call, and to determine the vehicle that follows the vehicle that cannot depart, making it very easy to confirm the departure. Not only can this be performed, but it is possible to continue group traveling without delay, and smooth traveling with other vehicles belonging to the group can be supported.

  In this case, in the group driving support system, each vehicle is also targeted for a predetermined area centered on the own vehicle when the ignition signal is on under the control of the control unit 10. The departure confirmation is performed and the departure confirmation is not continued indefinitely.

[Effect of the third embodiment]
As described above in detail, in the group travel support system according to the third embodiment, the leading vehicle determines an auxiliary vehicle that follows a vehicle that cannot depart, so that the group travel can be continued without delay. .

  The above-described embodiment is an example to which the present invention is applied. For this reason, the present invention is not limited to the above-described embodiment, and various modifications can be made depending on the design and the like as long as the technical idea according to the present invention is not deviated from this embodiment. Of course, it is possible to change.

1 is a block diagram illustrating a configuration of a group travel support device included in each vehicle in a group travel support system according to a first embodiment to which the present invention is applied. FIG. It is a flowchart which shows a series of processes in the group travel assistance system which concerns on 1st Embodiment to which this invention is applied. It is a block diagram which shows the structure of the group traveling assistance apparatus with which each vehicle is provided in the group traveling assistance system which concerns on 2nd Embodiment to which this invention is applied. It is a flowchart which shows a series of processes in the group travel assistance system which concerns on 2nd Embodiment to which this invention is applied. It is a figure for demonstrating the specific example of the group driving | running | working assistance system which concerns on 2nd Embodiment to which this invention is applied, Comprising: A mode that only one vehicle was judged not to be in the state which can be started is demonstrated. It is a figure for doing. It is a figure for demonstrating the specific example of the group driving assistance system which concerns on 2nd Embodiment to which this invention is applied, Comprising: A voice line is established between a leading vehicle and the vehicle which cannot depart, It is a figure for demonstrating a mode that the cause which cannot depart by a telephone call is confirmed. It is a figure for demonstrating the specific example of the group driving assistance system which concerns on 2nd Embodiment to which this invention is applied, Comprising: A voice line is established between a leading vehicle and all the vehicles, and it departs by a voice call It is a figure for demonstrating a mode that it waits until it will be in the state which can start the vehicle which cannot be started. It is a figure for demonstrating the specific example of the group driving assistance system which concerns on 2nd Embodiment to which this invention is applied, Comprising: The vehicle which shifted to the state which can be started transmits that to a leading vehicle by voice call. It is a figure for demonstrating a mode that the leading vehicle which received this leaves | separates to all the vehicles by a voice call. It is a flowchart which shows a series of processes in the group travel assistance system which concerns on 3rd Embodiment to which this invention is applied. It is a figure for demonstrating the specific example of the group driving assistance system which concerns on 3rd Embodiment to which this invention is applied, Comprising: A voice line is established between a leading vehicle and the vehicle which cannot depart, It is a figure for demonstrating a mode that the cause which cannot depart by a telephone call is confirmed. It is a figure for demonstrating the specific example of the group driving assistance system which concerns on 3rd Embodiment to which this invention is applied, Comprising: A voice line is established between a leading vehicle and all the vehicles, and it departs by a voice call It is a figure for demonstrating a mode that the fact that it waits until it will be in the state which can start the vehicle which cannot be performed. It is a figure for demonstrating the specific example of the group travel assistance system which concerns on 3rd Embodiment to which this invention is applied, Comprising: It is a figure for demonstrating a mode that the cause which cannot start is not avoided. It is a figure for demonstrating the specific example of the group driving assistance system which concerns on 3rd Embodiment to which this invention is applied, Comprising: A leading vehicle is between the vehicles located near the vehicle which cannot depart. It is a figure for demonstrating a mode that the voice line is established and the said vehicle is requested | required to follow the said vehicle which cannot depart.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Control part 20 Own vehicle position-positioning part 30 Display part 40 Vehicle state monitoring part 50 Departure possible judgment part 60 Ignition key part 70 Communication part 80 Microphone 90 Speaker 100 Leading vehicle determination part

Claims (6)

In a group travel support device that forms a group with other vehicles and travels,
Shift lever position, parking brake state, seat belt wearing state, gasoline remaining amount, battery remaining amount, engine speed, detection result of passenger sensor detecting presence / absence of passenger, door open / closed state Among them, vehicle state monitoring means for monitoring at least one vehicle state and acquiring vehicle information;
Departure possibility judging means for judging whether or not the own vehicle can depart based on vehicle information representing at least one or more vehicle states monitored by the vehicle state monitoring means;
Communication with other vehicles belonging to the group, and the own vehicle departure possibility determination information indicating whether or not the own vehicle, which is the result determined by the departure possibility determination means, is possible to leave, Communication means for receiving the other vehicle departure possibility determination information indicating whether or not the other vehicle belonging to the group transmitted and received from the other vehicle belonging to the group can depart,
The own vehicle and other vehicles belonging to the group can depart based on the own vehicle departure possibility determination information which is the result determined by the departure possibility determination means and the other vehicle departure possibility determination information received by the communication means. Display means for displaying whether or not ,
And a control unit for comprehensively controlling the group support device,
The control unit causes the communication unit to transmit vehicle information including a reason that the vehicle cannot be started and represents at least one vehicle state monitored by the vehicle state monitoring unit when the host vehicle cannot start.
When there is another vehicle that cannot be departed from the other vehicle departure possibility determination information transmitted from another vehicle, the control unit determines that the other means from the other vehicle that cannot depart by the communication means. A group which receives vehicle information including a reason why the vehicle cannot depart, and presents the reason why the other vehicle cannot depart by displaying the received vehicle information of the other vehicle by the display means. Driving support device. When the other vehicle can not be starting it is present, wherein, when establishing a voice communication with another vehicle can not be the starting, voice communication is established by the control unit, the audio group according to claim 1 which is controlled to receive the audio information from the other vehicle, characterized in that it comprises further a voice call means for sounding to control said communication means to transmit the information Driving support device. Of vehicles belonging to the group, further comprising a leading vehicle determination means for determining a leading vehicle,
The control unit establishes voice communication with the vehicle determined as the leading vehicle, and the voice call means transmits the voice information with the vehicle determined as the leading vehicle. The group driving support apparatus according to claim 2 , wherein the group driving support apparatus according to claim 2 , wherein the group driving support apparatus is configured to control the communication means and receive voice information from another vehicle to emit sound . It has its own vehicle position measurement unit that measures the current position of the vehicle,
The leading vehicle determination means stores the number of times that the own vehicle has become the head of the group, and exchanges the number of times between the vehicles belonging to the group via the communication means , among the vehicles belonging to the group, 4. The group travel support apparatus according to claim 3 , wherein a vehicle having a high frequency of traveling at the head during group travel is determined as a leading vehicle. The control unit of the leading vehicle determined by the leading vehicle determining means may receive the position information from all the vehicles included in the group and start the vehicle having the closest distance from the position of the vehicle that cannot start. The group travel support apparatus according to claim 3 or 4 , wherein the group travel support apparatus is determined as an auxiliary vehicle that assists a vehicle that cannot be operated. It further comprises ignition signal output means for outputting an ignition signal indicating the state of the ignition key,
The control unit performs control so as to perform departure confirmation in a predetermined area centered on the own vehicle when the ignition signal output by the ignition signal output means is in an on state. The group travel support device according to any one of claims 1 to 5 .

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