JP2005209031A - Vehicle traffic management system and vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem with managing the access of vehicles to a specific road wherein, if the state quantity of a vehicle to be referred to is detected indirectly from outside of the vehicle, detection of the state quantity of the vehicle is likely to be affected by the environment in which the vehicle is monitored and the characteristics of the vehicle itself, making it less easy to manage the access of the vehicle to the specific road. <P>SOLUTION: This vehicle traffic management system 10 includes a vehicle control gate device 22, a managing communication device 24, a vehicle accessibility determining device 26, and a gate controller 28. The vehicle 50 has a tire pneumatic pressure sensor 64 that can communicate with the managing communication device 24. The vehicle accessibility determining device 26 determines whether the access of the vehicle 50 to an expressway 14 is appropriate based on a value detected by the tire pneumatic pressure sensor 64 and sent via the managing communication device 24. The access of the vehicle 50 to the expressway 14 is controlled by the gate controller 28. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a vehicle traffic management system that manages entry of a vehicle on a specific road, and a vehicle that can effectively utilize the vehicle traffic management system.

  Preventing an overloaded vehicle or a vehicle with insufficient tire air pressure from entering a specific road such as an expressway is preferable not only for smooth running of the vehicle but also for enhancing safety. For this reason, various techniques for preventing a vehicle that is not suitable for traveling on a specific road from entering the road have been proposed. For example, as in the technique disclosed in Patent Document 1, a vehicle such as a monitoring camera provided on the road side is used to monitor a tire shape, thereby managing a vehicle that is about to enter the road. Yes. Moreover, the technique currently disclosed by patent document 2 and patent document 3 is utilized, and the smooth and safe vehicle driving | running | working on the specific road is implement | achieved.

JP-A-10-272907 JP-A-10-293898 JP-A-11-250392

  A technique using a surveillance camera or the like that has been conventionally proposed as a technique for managing a vehicle entering a specific road such as an expressway is to estimate and judge the tire shape indirectly from the outside of the vehicle. For this reason, when estimating and judging the tire shape, it is easily affected by the environment in which the vehicle is monitored and the characteristics of the vehicle itself. For example, when a tire used in a vehicle is a flat tire, even if the tire air pressure is insufficient, the deflection generated in the tire is relatively small. For this reason, in the case of a flat tire as compared with the case of a normal tire, it may not be easy to determine the tire air pressure state from the outside using a photographed image or the like.

  The present invention has been made in view of the above circumstances, and a vehicle traffic management system that can accurately determine whether or not a vehicle is on a specific road, and to effectively use the vehicle traffic management system. An object is to provide a vehicle capable of performing the above.

  An aspect of the present invention relates to a vehicle traffic management system that manages entry of a vehicle onto a specific road. The vehicle traffic management system is mounted on a vehicle that desires to enter the specific road, and includes a vehicle state quantity detection unit that detects a vehicle state quantity related to travel of the vehicle, and a detection of the vehicle state quantity detection unit. Based on the result, vehicle adequacy determination means for determining whether the vehicle is appropriate to enter the specific road, and based on the determination result of the vehicle admission appropriateness determination means, the vehicle enters the specific road. Vehicle entry restriction means for restricting the vehicle. According to the vehicle traffic management system, since the vehicle state quantity detecting means for detecting the vehicle state quantity related to the traveling of the vehicle is mounted on the vehicle, the vehicle state quantity can be accurately detected. By using such an accurately obtained vehicle state quantity, it is possible to more accurately determine the suitability of entering the vehicle on a specific road.

  The vehicle state quantity related to traveling detected by the vehicle state quantity detection means may be a state quantity related to the wheels of the vehicle. The wheel state detection means detects a state quantity related to the wheel such as the tire air pressure of the wheel, so that the vehicle entry suitability determination means is based on the state quantity related to the wheel to determine whether the vehicle is on the specific road. Can be determined.

  According to another aspect of the vehicle traffic management system of the present invention, there is provided a predetermined signal sent from a vehicle desiring to enter the specific road, which is a predetermined signal related to determining whether or not the vehicle is to enter the specific road. A management communication means having a function of receiving a signal; a vehicle entry restriction means for restricting entry of the vehicle onto the specific road; and the vehicle entry restriction according to the predetermined signal received by the management communication means. A restricting means control section for controlling the means. The vehicle traffic management system can regulate the entry of the vehicle on a specific road in accordance with a predetermined signal related to the determination of whether or not the vehicle is on a specific road. It is possible to prevent getting on a specific road.

  Another aspect of the vehicle traffic management system of the present invention is a management having a function of receiving a predetermined signal relating to a vehicle state quantity related to the travel of the vehicle, which is transmitted from the vehicle desiring to enter the specific road. Side communication means, based on the predetermined signal received by the management side communication means, vehicle adequacy determination means for determining whether or not the vehicle should enter the specific road, and to the specific road of the vehicle Vehicle entry restriction means for restricting entry of the vehicle, and a restriction means control unit for controlling the vehicle entry restriction means in accordance with a determination result of the vehicle entry suitability determination means. Since the vehicle traffic management system determines whether or not the vehicle is on the specific road based on a predetermined signal related to the vehicle state quantity sent from the vehicle, and restricts the vehicle from entering the specific road. It is possible to prevent a vehicle that is not necessarily appropriate from entering a specific road.

  The management-side communication means may further have a function of transmitting a transmission command signal that prompts the vehicle to transmit the predetermined signal. In this case, the predetermined signal is transmitted from the vehicle in response to the transmission command signal, and the vehicle traffic management system can receive the predetermined signal from the vehicle as necessary. Thereby, communication between a vehicle and a vehicle traffic management system can be made smoother.

  Another aspect of the present invention relates to a vehicle. This vehicle is a vehicle that can use a vehicle traffic management system that manages the entry of a vehicle onto a specific road in accordance with a predetermined signal relating to vehicle regulation transmitted from the outside, and is related to the traveling of the vehicle Vehicle state detection means for detecting a state quantity, vehicle entry suitability judgment means for judging whether or not to enter the specific road based on the detection result of the vehicle state detection means, and judgment by the vehicle entry suitability judgment means Vehicle-side communication means for transmitting a predetermined signal related to vehicle regulation according to the result. According to the vehicle, a vehicle state quantity related to traveling is detected, the suitability of entering a specific road is determined based on the detection result, and a predetermined signal related to vehicle regulation according to the determination result is transmitted. Therefore, the vehicle traffic management system that has received the predetermined signal relating to the vehicle regulation appropriately regulates the entry of the vehicle on the specific road.

  According to another aspect of the vehicle of the present invention, vehicle state detection means for detecting a vehicle state quantity related to travel of the vehicle, and a predetermined signal indicating the vehicle state quantity based on a detection result of the vehicle state detection means are provided. Vehicle-side communication means having a function of transmitting. According to the vehicle, the vehicle state quantity related to the travel is detected, and the predetermined signal indicating the vehicle state quantity is transmitted based on the detection result. Therefore, the vehicle is entered based on the predetermined signal regarding the vehicle state quantity. The vehicle traffic management system to be regulated appropriately regulates the entry of the vehicle onto a specific road.

  The vehicle-side communication means may further have a function of receiving a transmission command signal transmitted from the outside, and may transmit the predetermined signal according to the received transmission command signal. In this case, since the predetermined signal is transmitted in response to a transmission command signal transmitted from the outside, the vehicle can transmit the predetermined signal to the vehicle traffic management system as necessary. Thereby, communication between a vehicle and a vehicle traffic management system can be made smoother.

  The vehicle state quantity related to traveling detected by the vehicle state quantity detection means may be a state quantity related to wheels of the vehicle.

  A combination of the above-described elements as appropriate can also be included in the scope of the invention for which patent protection is sought by this patent application.

According to the vehicle traffic management system of the present invention, it is possible to accurately detect the vehicle state quantity related to the traveling of the vehicle based on the detection result of the vehicle state quantity detection means mounted on the vehicle, and to the specific road. This makes it possible to accurately determine whether or not the vehicle can be entered.
Further, according to the vehicle of the present invention, the vehicle traffic management system according to the present invention described above can be suitably used, and the entry to a specific road is appropriately managed based on the vehicle state quantity related to traveling. The

  Embodiments of the present invention will be described below with reference to the drawings. In each of the following embodiments, a case where a so-called highway is a “specific road” in the present invention will be described.

<First Embodiment>
1 to 3 are views showing a first embodiment of the present invention. FIG. 1 is a diagram illustrating a configuration relationship between the vehicle traffic management system 10 and the vehicle 50. FIG. 2 is a view of the vehicle traffic management system 10 and the vehicle 50 as viewed from above, and shows a perspective view of the main parts of the vehicle traffic management system 10 and the vehicle 50 in order to explain the communication relationship. FIG. 3 is a flowchart regarding the entry of the vehicle 50 onto the highway 14.

  The vehicle traffic management system 10 according to the present embodiment is a system for managing the entry of the vehicle 50 from the general road 12 to the highway 14. As shown in FIGS. 1 and 2, the general road 12 and the highway 14. A vehicle restriction gate device 22 provided between the vehicle restriction gate device 22, a management communication device 24 attached above the vehicle restriction gate device 22, a vehicle entry suitability determination device 26 wirelessly connected to the management communication device 24, And a gate control device 28 connected to the vehicle regulation gate device 22 and the vehicle entry suitability determination device 26.

  On the other hand, the vehicle 50 capable of using the vehicle traffic management system 10 of the present embodiment employs TPMS (Tire Pressure Monitoring Systems) as a system for monitoring tire air pressure. As shown in FIG. 2, the TPMS is connected to a sensor control unit 62 provided on the vehicle body 54 side, a tire pressure sensor 64 provided on each of the four wheels 52, and a sensor control unit 62. And a sensor control unit 66 provided on the vehicle main body 54 side so as to correspond to each tire pressure sensor 64.

  The vehicle regulation gate device 22 of the vehicle traffic management system 10 has a gate 68 that can be opened and closed, and the vehicle 50 can enter the highway 14 from the general road 12 by freely opening and closing the gate 68. regulate.

  The management-side communication device 24 has a function of transmitting a transmission command signal 82 urging transmission of the vehicle state quantity signal 80 to the vehicle 50 desiring to enter the highway 14, and a vehicle state quantity transmitted from the vehicle 50. And a function of receiving the signal 80.

  The vehicle entry suitability determination device 26 determines whether or not it is appropriate for the vehicle 50 to enter the highway 14 based on the vehicle state quantity signal 80 received by the management-side communication device 24.

  The gate control device 28 controls the vehicle restriction gate device 22 based on the determination result of the entry suitability determination device for the vehicle 50 and adjusts the opening and closing of the gate 68.

  The sensor control unit 62 of the vehicle 50 controls each tire pressure sensor 64 via each sensor control unit 66, and can monitor all four wheels 52 individually regardless of parking and stopping.

  Each sensor control unit 66 receives an instruction from the sensor control unit 62 and acquires information on the tire air pressure from the corresponding tire air pressure sensor 64. Each sensor control unit 66 and the corresponding tire pressure sensor 64 can communicate bidirectionally by wireless communication.

  Each tire pressure sensor 64 directly detects the tire pressure of the corresponding wheel 52. The value detected by each tire pressure sensor 64 is sent as a vehicle state quantity signal 80 from each tire pressure sensor 64 to the sensor control unit 62 via the corresponding sensor control unit 66.

  Furthermore, each tire pressure sensor 64 of the present embodiment also functions as a vehicle-side communication device that communicates with the vehicle traffic management system 10, and is transmitted from the management-side communication device 24 of the vehicle traffic management system 10. It further has a function of receiving the command signal 82 and a function of transmitting the vehicle state quantity signal 80 to the management-side communication device 24 in accordance with the received transmission command signal 82.

  Next, the operation of the present embodiment will be described.

  When the vehicle 50 traveling on the general road 12 is about to enter the highway 14, first, a transmission command signal 82 is transmitted from the management-side communication device 24 of the vehicle traffic management system 10 (S11 in FIG. 3). .

  The transmission command signal 82 transmitted from the management-side communication device 24 is received by each tire pressure sensor 64 of the vehicle 50 that has approached the vehicle regulation gate device 22 in hope of entering the highway 14 (S12). Then, in response to the received transmission command signal 82, a vehicle state quantity signal 80 indicating the corresponding tire pressure is transmitted from each tire pressure sensor 64 to the management communication device 24 (S13).

  The vehicle state quantity signal 80 transmitted from each tire pressure sensor 64 is received by the management-side communication device 24 (S14) and sent to the vehicle entry suitability determination device 26.

  In the vehicle entry suitability determination device 26, the tire air pressure of each wheel 52 is obtained based on the sent vehicle state quantity signal 80, and whether or not the tire air pressure of each wheel 52 is appropriate for traveling on the highway 14. Is determined, and it is determined whether or not the vehicle 50 is suitable for entering the highway 14 (S15). In the present embodiment, it is determined whether or not the vehicle 50 is suitable for entering the highway 14 based on whether or not the tire air pressure is greater than or equal to a predetermined threshold value. At this time, the suitability of entering the vehicle 50 on the highway 14 is determined in consideration of the fact that it is preferable that the tire air pressure is increased during high-speed travel as compared to during normal travel. As the predetermined threshold value, various values can be used as required. For example, it is possible to set a predetermined threshold value with reference to a value recommended by the US Federal Motor Vehicle Safety Standard (FMVSS) (for example, 140 KPa).

  Then, the determination result of whether the vehicle 50 is suitable for entry is sent from the vehicle entry appropriateness determination device 26 to the gate control device 28, and the vehicle control gate device 22 is controlled by the gate control device 28 based on this determination result (S16, S17). ). For example, for the vehicle 50 that is determined to be appropriate to enter the highway 14 by the vehicle entry suitability determination device 26 (YES in S15), the vehicle restriction gate device is configured so that the gate 68 is opened. 22 is controlled to ensure smooth entry from the general road 12 to the highway 14 (S16). On the other hand, for the vehicle 50 that is determined to be inappropriate for entering the highway 14 by the vehicle entry suitability judging device 26 (NO in S15), the vehicle regulating gate device 22 is set so that the gate 68 is closed. Thus, the entry from the general road 12 to the highway 14 is restricted (S17).

  As described above, according to the present embodiment, entry of the vehicle 50 onto the highway 14 is restricted in accordance with the air pressure of each tire of the vehicle 50, so that safe and smooth vehicle travel on the highway 14 is achieved. Will be secured. In particular, as the air pressure of each tire referred to when determining whether or not the vehicle 50 enters the highway 14 is a value directly measured by the tire air pressure sensor 64 mounted on the vehicle 50, Compared to the case where the air pressure of each tire is observed and estimated from the outside of the vehicle 50, the state of the air pressure of each tire can be accurately determined. By using the air pressures of the tires thus accurately determined, it is possible to more accurately determine whether or not the vehicle 50 is to enter the highway 14, and the vehicle 50 to enter the highway 14 is relatively It can be managed easily. Further, since the vehicle 50 is managed to enter the highway 14 by the vehicle traffic management system 10 described above, the vehicle 50 travels on the highway 14 in a state in which the tire air pressure is not necessarily appropriate. It can be prevented in advance.

<Second Embodiment>
FIG. 4 is a view showing the second embodiment of the present invention, and is a view of the vehicle traffic management system 10 and the vehicle 50 as viewed from above, similarly to FIG. 2 described above. 4, the same parts as those of the first embodiment shown in FIGS. 1 to 3 are denoted by the same reference numerals, and detailed description thereof is omitted.

  In the present embodiment shown in FIG. 4, each sensor control unit 66 works as a vehicle-side communication device instead of each tire pressure sensor 64. That is, each sensor control unit 66 has a function of receiving a transmission command signal 82 transmitted from the management-side communication device 24 of the vehicle traffic management system 10 in addition to the function described in the first embodiment. And a function of transmitting the vehicle state quantity signal 80 to the management-side communication device 24 in accordance with the received transmission command signal 82.

  Other configurations are substantially the same as those of the first embodiment shown in FIGS.

  In the present embodiment, the vehicle traffic management system 10 regulates entry of the vehicle onto the highway 14 in substantially the same manner as the first embodiment described above (see FIG. 3). However, the function as the vehicle side communication device of each tire pressure sensor 64 in the first embodiment described above is performed by each sensor control unit 66. Therefore, the transmission command signal 82 transmitted from the management communication device 24 of the vehicle traffic management system 10 is received by each sensor control unit 66 of the vehicle 50. Each sensor control unit 66 transmits a vehicle state quantity signal 80 sent from the corresponding tire air pressure sensor 64 toward the management-side communication device 24 in response to the received transmission command signal 82.

  As described above, also in the present embodiment, the tire air pressure accurately detected by the tire air pressure sensor 64 mounted on the vehicle 50 is used to accurately determine whether the vehicle 50 enters the highway 14 or not. Therefore, it is possible to prevent inconvenience that the vehicle 50 in a state where the tire air pressure is not necessarily appropriate travels on the highway 14.

  In particular, in the present embodiment, the sensor control unit 66 provided on the vehicle body 54 side functions as a vehicle-side communication device, so the sensor control unit 62 provided on the vehicle body 54 side and other control units are compared. It can be used easily. As a result, adjustments such as processing of various signals with priorities, for example, can be performed relatively easily, and more complete vehicle control can be realized.

<Third Embodiment>
5 and 6 are diagrams showing a third embodiment of the present invention. FIG. 5 is a view of the vehicle traffic management system 10 and the vehicle 50 as viewed from above, similar to FIG. 2 described above. FIG. 6 is a flowchart regarding entry of the vehicle 50 onto the highway 14. 5 and 6, the same parts as those of the first embodiment shown in FIGS. 1 to 3 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 5, the vehicle traffic management system 10 according to the present embodiment includes a vehicle restriction gate device 22, a management-side communication device 24 attached above the vehicle restriction gate device 22, and the vehicle restriction gate device 22. And a gate control device 28 connected to the management-side communication device 24.

  On the other hand, the vehicle 50 that can use the vehicle traffic management system 10 of the present embodiment is provided in each of the sensor control unit 62 and the sensor control unit 66 provided on the vehicle main body 54 side and the four wheels 52. A tire pressure sensor 64.

  The sensor control unit 62 of the present embodiment also functions as a vehicle entry suitability determination unit according to the present invention, and the vehicle state quantity related to the tire air pressure sent from each tire air pressure sensor 64 via each sensor control unit 66. Based on the signal 80, the suitability of entering the highway 14 is determined.

  Furthermore, in the present embodiment, the vehicle-side communication device 69 is provided in the vehicle main body 54 in a state of being connected to the sensor control unit 62 as a separate body. The vehicle-side communication device 69 receives the transmission command signal 82 transmitted from the management-side communication device 24 of the vehicle traffic management system 10 and the sensor control unit 62 according to the received transmission command signal 82. And a function of transmitting a boarding suitability signal 84 relating to the judgment of suitability for boarding on the expressway 14 to the management-side communication device 24.

  On the other hand, the management-side communication device 24 of the vehicle traffic management system 10 has a function of receiving an entry suitability signal 84 transmitted from the vehicle 50 in addition to the function of transmitting the transmission command signal 82 described above.

  Other configurations are substantially the same as those of the first embodiment shown in FIGS.

  When the vehicle 50 traveling on the general road 12 tries to enter the highway 14, the transmission command signal 82 transmitted from the management communication device 24 of the vehicle traffic management system 10 (S31 in FIG. 6) is the vehicle regulation gate device. 22 is received by the vehicle-side communication device 69 of the vehicle 50 approaching 22 (S32), and the vehicle-side communication device 69 sends a predetermined signal indicating that the transmission command signal 82 has been received to the sensor control unit 62 (S33). .

  The sensor control unit 62 controls each tire pressure sensor 64 via each sensor control unit 66, and each sensor control unit 66 generates a vehicle state quantity signal 80 indicating a detected value of the tire pressure by each tire pressure sensor 64. Is receiving through. The sensor control unit 62 to which a predetermined signal is sent from the vehicle-side communication device 69 obtains the tire air pressure of each wheel 52 from the received vehicle state quantity signal 80, and the tire air pressure during high-speed travel compared to during normal travel. In consideration of the fact that it is preferable that the vehicle is in a boosted state, it is determined whether or not the vehicle 50 is suitable for entering the highway 14 (S34). Then, the result of whether or not the vehicle 50 is appropriate to enter the highway 14 is sent from the sensor control unit 62 to the vehicle side communication device 69, and the entry appropriateness signal 84 corresponding to the appropriateness determination result is sent from the vehicle side communication device 69. It is transmitted to the management communication device 24 (S35, S36). The entry suitability signal 84 transmitted from the vehicle side communication device 69 is sent to the gate control device 28 via the management side communication device 24. Then, the gate control device 28 controls the vehicle restriction gate device 22 based on the entry suitability signal 84. For the vehicle 50 determined by the sensor control unit 62 as appropriate to enter the highway 14 (YES in S34), the vehicle regulating gate device 22 is controlled so that the gate 68 is opened (S37). On the other hand, for the vehicle 50 determined by the sensor control unit 62 as inappropriate to enter the highway 14 (NO in S34), the vehicle regulating gate device 22 is closed so that the gate 68 is closed. Is controlled (S38).

  As described above, also in the present embodiment, the tire air pressure accurately detected by the tire air pressure sensor 64 mounted on the vehicle 50 side is used, and whether or not the vehicle 50 enters the highway 14 is accurately determined. Therefore, it is possible to prevent inconvenience that the vehicle 50 in a state where the tire air pressure is not necessarily appropriate travels on the highway 14.

  In particular, in the present embodiment, whether or not the vehicle 50 enters the highway 14 is determined by the sensor control unit 62 provided on the vehicle 50 side, so that a flexible determination according to the characteristics of the vehicle 50 is performed. It is possible. For example, consider that it is determined whether or not the vehicle 50 is suitable for entering the highway 14 based on whether or not the tire air pressure is greater than or equal to a predetermined threshold value. In this case, when the type of the vehicle 50 is small, the “threshold value for the small vehicle” is used, or when a specific tire is used, the “threshold value corresponding to the type of the specific tire” is used. Is set in the sensor control unit 62 in advance as a predetermined threshold value, it is possible to determine the suitability of entering the highway 14 more accurately.

  Next, a modification of the present embodiment will be described.

  For example, in the present embodiment, the case of using a tire pressure sensor 64 of a type that directly detects the air pressure of each tire has been described, but sensors that detect other vehicle state quantities such as the wheel speed of each wheel 52 are used. You can also In other words, the sensor control unit 62 can indirectly detect the air pressure state of each tire from the vehicle state quantity sent from the sensors. For example, the wheel speed of each wheel 52 can be measured by a wheel speed sensor, and the state of air pressure of each tire can be estimated and detected from the comparison value of the wheel speeds of the left and right wheels. Even in such a case, it is possible to determine the suitability of the vehicle 50 entering the highway 14 based on the indirectly determined air pressure state of each tire.

  Similarly to the first embodiment and the second embodiment described above, a vehicle entry suitability determination device 26 may be provided between the management-side communication device 24 and the gate control device 28 (not shown). ). In this case, the sensor control unit 62 transmits a vehicle state quantity signal 80 based on the detection value of each tire pressure sensor 64 to the management communication device 24 via the vehicle communication device 69. The vehicle entry suitability determination device 26 determines the suitability of entering the vehicle 50 on the highway 14 based on the vehicle state quantity signal 80 sent from the management-side communication device 24, and performs gate control based on the determination. The device 28 controls the vehicle restriction gate device 22. Also in this modified example, the entry of the vehicle 50 from the general road 12 to the highway 14 is appropriately regulated and managed.

  Further, the vehicle-side communication device 69 can also be used as an ETC (Electronic Toll Collection) ECU (Electrical Control Unit), and information such as the vehicle type and the tire type together with the vehicle state quantity signal 80 can be used as the vehicle-side communication device 69. To the management-side communication device 24. In this case, the vehicle entry suitability determination device 26 can determine the suitability of entering the vehicle 50 on the highway 14 in consideration of information such as the vehicle type and the tire type.

  The present invention is not limited to the above-described embodiments and modifications, and various modifications such as design changes can be added based on the knowledge of those skilled in the art. The described embodiments can also be included in the scope of the present invention.

  For example, instead of installing the vehicle restriction gate device 22 using the gate 68 as means for restricting the entry of the vehicle 50 on the highway 14, the general road 12 and the highway 14 are connected as shown in FIG. It is also possible to install a taxiway 16 provided so as to branch from the highway 14 at a location. In this case, the vehicle 50 that is determined to be inappropriate for entering the expressway 14 is guided by the direction indication arrow 42 indicating the traveling direction of the vehicle 50 provided on the road surface, the electric bulletin board 44 provided separately, and the like. This effectively avoids the following vehicle from entering the highway 14. As a result, entry of the vehicle 50 onto the highway 14 is appropriately regulated, and the flow of the entire vehicle 50 entering the highway 14 becomes smooth. Note that the direction indication arrow 42 and the electric bulletin board 44 that indicate the traveling direction of the vehicle 50 are the vehicle entrance suitability determination device 26 in the first and second embodiments and the sensor in the third embodiment. The control is performed based on the determination result at a location where the suitability of the vehicle 50 entering the highway 14 is determined, such as the control unit 62 for use.

  Further, by providing an alarm sound generator, a display screen, or the like on the vehicle side or the road side, a warning sound, a display screen, etc. are provided to the driver of the vehicle 50 that is determined to be inappropriate to enter the expressway 14. The determination result may be notified.

  In addition, the criterion for determining whether or not the vehicle 50 enters the highway 14 is not limited to the tire air pressure of each wheel 52, but may be based on other vehicle state quantities related to traveling. it can. For example, the state of the tire temperature, the state of the brake, the state of the engine or fuel in the case of a gasoline vehicle, the state of the drive motor or battery in the case of an electric vehicle, etc. It is good also as a standard which judges the propriety of.

  Further, although cases have been described with the above embodiments where the “highway” is a specific road in the present invention, the present invention is not limited to this. For example, it is possible to use a “specific road” in the present invention for a rough road with a rough surface or a very steep slope, and determine whether or not the vehicle 50 is suitable for entry according to the criteria according to the characteristics of each road. Is possible.

  The transmission / reception method of various signals between the devices of the vehicle 50 and the transmission / reception method of various signals between the devices of the vehicle traffic management system 10 may be wired or wireless as long as the various signals are transmitted and received appropriately.

It is a figure which shows the 1st Embodiment of this invention, Comprising: It is a figure which shows the structural relationship of a vehicle traffic management system and a vehicle. It is the schematic which looked at the vehicle traffic management system and vehicle in 1st Embodiment from the upper direction. It is a flowchart regarding entry of the vehicle on the highway in the first embodiment. It is a figure which shows the 2nd Embodiment of this invention, Comprising: It is the schematic which looked at the vehicle traffic management system and the vehicle from upper direction. It is the figure which shows the 3rd Embodiment of this invention, Comprising: It is the schematic which looked at the vehicle traffic management system and the vehicle from upper direction. It is a flowchart regarding entry of the vehicle into the highway in the third embodiment. It is a figure which shows the modification of this invention, Comprising: It is a figure which shows the structural relationship of a vehicle traffic management system and a vehicle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle traffic management system, 12 General road, 14 Expressway, 16 Taxiway, 22 Vehicle control gate device, 24 Management side communication device, 26 Vehicle entry suitability determination device, 28 Gate control device, 50 Vehicle, 52 Wheel, 54 Vehicle Body, 62 sensor control unit, 64 tire pressure sensor, 66 sensor control unit, 68 gate, 69 vehicle side communication device, 80 vehicle state quantity signal, 82 transmission command signal, 84 entry suitability signal

Claims (9)

In a vehicle traffic management system that manages the entry of vehicles onto specific roads,
Vehicle state quantity detection means mounted on a vehicle that desires to enter the specific road and detecting a vehicle state quantity related to the traveling of the vehicle;
Vehicle entry suitability judging means for judging suitability of entry of the vehicle on the specific road based on a detection result of the vehicle state quantity detection means;
Vehicle entry restriction means for restricting entry of the vehicle on the specific road based on the determination result of the vehicle entry suitability determination means;
A vehicle traffic management system comprising:   2. The vehicle traffic management system according to claim 1, wherein the vehicle state quantity related to traveling detected by the vehicle state quantity detection unit is a state quantity related to wheels of the vehicle. In a vehicle traffic management system that manages the entry of vehicles onto specific roads,
A management-side communication means having a function of receiving a predetermined signal sent from a vehicle desiring to enter the specific road and relating to whether or not the vehicle is appropriate to enter the specific road;
Vehicle entry restriction means for restricting entry of the vehicle onto the specific road;
A control unit control unit that controls the vehicle entry control unit in accordance with the predetermined signal received by the management-side communication unit;
A vehicle traffic management system comprising: In a vehicle traffic management system that manages the entry of vehicles onto specific roads,
A management-side communication means having a function of receiving a predetermined signal relating to a vehicle state quantity related to the traveling of the vehicle transmitted from the vehicle desiring to enter the specific road;
Based on the predetermined signal received by the management-side communication means, vehicle entry suitability judging means for judging suitability of entering the vehicle on the specific road;
Vehicle entry restriction means for restricting entry of the vehicle onto the specific road;
A restricting means control section for controlling the vehicle entry restricting means according to a judgment result of the vehicle entry suitability judging means;
A vehicle traffic management system comprising: 5. The vehicle traffic management system according to claim 3, wherein the management-side communication unit further has a function of transmitting a transmission command signal that prompts the vehicle to transmit the predetermined signal. A vehicle that can use a vehicle traffic management system that manages entry of a vehicle on a specific road according to a predetermined signal related to vehicle regulation transmitted from the outside,
Vehicle state detection means for detecting a vehicle state quantity related to the traveling of the vehicle;
Based on the detection result of the vehicle state detection means, vehicle entry suitability judging means for judging suitability for entering the specific road;
Vehicle-side communication means for transmitting a predetermined signal related to vehicle regulation according to the determination result of the vehicle entry suitability determination means to the vehicle traffic management system;
A vehicle comprising: It is a vehicle that can use a vehicle traffic management system that manages entry of a vehicle on a specific road according to a predetermined signal indicating a vehicle state quantity related to travel transmitted from the outside,
Vehicle state detection means for detecting a vehicle state quantity related to the traveling of the vehicle;
Vehicle-side communication means having a function of transmitting a predetermined signal indicating the vehicle state quantity based on a detection result of the vehicle state detection means;
A vehicle comprising: The vehicle-side communication means further has a function of receiving a transmission command signal transmitted from the outside, and transmits the predetermined signal according to the received transmission command signal. The vehicle described.   The vehicle according to any one of claims 6 to 8, wherein the vehicle state quantity related to running detected by the vehicle state quantity detection means is a state quantity related to wheels of the vehicle.

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