JP4922835B2 - IC tag and target vehicle stopping method - Google Patents

Description

  The present invention relates to a target vehicle stop system using an IC (Integrated Circuit) tag for stopping the target vehicle.

Conventionally, vehicles such as passenger cars may be involved in crimes. For example, a vehicle is stolen or a criminal suspect escapes from the vehicle.
As a countermeasure against vehicle theft, for example, in Patent Document 1, when a user's portable communication terminal is outside the vehicle or when a notification of theft is received from the user, it is determined that the vehicle may be stolen. A technology is disclosed that supports the recovery of the stolen vehicle by outputting sound from the speaker of the vehicle to inform the surroundings of the theft, or controlling the brake or engine to stop the vehicle from traveling. Yes.
JP 2006-264471 A

  However, the technique disclosed in Patent Document 1 has a problem that it is impossible to cope with a crime suspect running away from a vehicle other than a stolen vehicle (including a vehicle that cannot be determined as a stolen vehicle).

The present invention, which was made to solve the above problems, regardless of whether the stolen vehicle, a target vehicle, in order to stop the radio stop signal emitted by the stop instruction mobile An object is to provide an IC tag and a target vehicle stopping method.

In order to achieve the above object, the present invention provides an IC tag that is installed in a target vehicle and that stops the target vehicle when receiving a wireless stop signal issued by a stop instruction moving body, A communication interface connected to the electronic control unit, a memory for storing its own identification information, a wireless communication unit for transmitting and receiving radio waves to and from the stop instruction moving body, and the electronic control unit via the communication interface The identification information stored in the memory is wirelessly transmitted from the wireless communication unit to the stop instruction moving body when the received speed information or acceleration information of the target vehicle exceeds a predetermined threshold, and the stop instruction When a stop signal is wirelessly received from a moving body via the wireless communication unit, the stop means of the target vehicle is connected to the target vehicle via the electronic control unit. Characterized by comprising a control section for instructing the stop of the vehicle. Other means will be described later.

According to the present invention, irrespective of whether the stolen vehicle, the target vehicle, it is possible to provide an IC tag and the target vehicle stopping process for stopping the radio stop signal emitted by the stop instruction mobile.

Hereinafter, the best mode for carrying out the present invention (hereinafter referred to as an embodiment) will be described with reference to the drawings.
FIG. 1 is an overall configuration diagram of a target vehicle stop system of the present embodiment. The target vehicle stop system 1000 includes a data center 100, a stop instruction moving body 200, and a target vehicle 300. Note that only one stop instruction moving body 200 and one target vehicle 300 are illustrated here, but there may be a plurality of stop instruction moving bodies 200 and target vehicles 300. The data center 100 is an organization that collects information about the target vehicle 300 (hereinafter referred to as vehicle information), but is not necessarily an essential component for the target vehicle stop system 1000.

As described above, the data center 100 is an organization that collects vehicle information, and may be, for example, a public organization (such as a land transportation station of the Ministry of Land, Infrastructure, Transport and Tourism) or a private organization (an organization configured by an automobile manufacturer). Etc.).
The data center 100 includes a management device 110 that is a computer device. The management device 110 includes a vehicle DB 111, a registration unit 112, and a transmission unit 113 (antenna 113a).

The vehicle DB 111 is a storage unit that stores vehicle information. Examples of the vehicle information include a vehicle number, a vehicle type (color), an identification number of each component being used, an owner, and a date of starting ownership.
The registration unit 112 is a means for registering vehicle information in the vehicle DB 111, and includes, for example, an input means such as a keyboard and a mouse and a processing means such as a CPU (Central Processing Unit).
The transmission unit 113 is means for transmitting the vehicle information stored in the vehicle DB 111 to the stop instruction moving body 200 periodically or as needed (by the operation of the administrator of the management device 110).

The stop instruction moving body 200 is a moving body that instructs the target vehicle 300 to stop by radio waves. Here, the stop instruction moving body 200 indicates a police car, but in addition, a white motorcycle (not shown), a helicopter (200A), and the like. May be.
The stop instruction moving body 200 includes a wireless communication unit 210 (antenna 210a), an input unit 220, a display unit 230, a storage unit 240, and a processing unit 250 in addition to the functional means for movement (such as an engine).

The wireless communication unit 210 is a means for receiving a radio wave from the management device 110 of the data center 100 and transmitting / receiving a radio wave with the target vehicle 300.
The input unit 220 is a means for performing input for specifying the target vehicle 300 to be stopped, and is, for example, a device including a plurality of buttons.
The display unit 230 is a means for displaying various information such as vehicle information, and is, for example, a liquid crystal display.

The storage unit 240 is a means for storing the operation program of the processing unit 250 and the stop signal DB 241 and is, for example, an HDD (Hard Disk Drive) or a flash memory.
Here, the stop signal DB 241 will be described with reference to FIG. FIG. 2 is a diagram illustrating a configuration example of the stop signal DB.

  As shown in FIG. 2, the stop signal DB 241 is an RFID tag ID (IC tag) indicating identification information of an RFID (Radio Frequency IDentification) installed in the vehicle in order from the left for each vehicle, and a stop used for a stop instruction. It includes columns for storing information such as signals, vehicle numbers, vehicle types (colors), stop control component numbers indicating stop control component identification numbers such as brake means 320 and drive means 330 of the vehicle, and others. . The stop signal is a signal corresponding to the stop control part number so that the stop control can be performed by the target vehicle 300 that has received the stop signal.

  Returning to FIG. 1, the processing unit 250 of the stop instruction moving body 200 is connected to the wireless communication unit 210, the input unit 220, the display unit 230, and the storage unit 240 and is a means for performing various information processing and calculations. CPU.

  The target vehicle 300 is, for example, a general passenger car. Here, it is assumed that the target vehicle 300 is a vehicle used by a criminal suspect for escape. The target vehicle 300 includes a vehicle speed sensor 310, a brake unit 320, a drive unit 330, an ECU (Electronic Control Unit) 340, and an RFID tag 350.

The vehicle speed sensor 310 is a unit that acquires information necessary for measuring the speed of the target vehicle 300 and transmits the information to the ECU 340. For example, the vehicle speed sensor 310 is a wheel speed sensor that measures the rotational speed of the wheels of the target vehicle 300.
The brake unit 320 is a unit that applies a braking force to the target vehicle 300 that is traveling in accordance with a brake pedal operation of the driver of the target vehicle 300 or an instruction from the ECU 340, and is, for example, a hydraulic brake device.

The driving unit 330 is a unit for causing the target vehicle 300 to travel, and includes an engine, a transmission (transmission device), an energy supply device, and the like.
The ECU 340 is connected to the vehicle speed sensor 310, the brake unit 320, the driving unit 330, and the RFID tag 350, and is a unit that performs various types of control related to traveling of the target vehicle 300. For example, the ECU 340 and a variety of storage devices (not illustrated) Etc.).

The RFID tag 350 plays a role of an information relay device that transmits and receives radio waves to and from the stop instruction moving body 200 and stops the target vehicle 300 by a wireless stop instruction from the stop instruction moving body 200. The RFID tag 350 includes a wireless communication unit 351 (an antenna 351a that is integrated with or separate from the RFID tag 350), a memory 352, a communication I / F (interface) 353, and a control unit 354.
The electric power for operating the RFID tag 350 is supplied from, for example, a power source (not shown) for operating the ECU 340 or a dedicated battery (not shown).

The wireless communication unit 351 is a means for performing transmission / reception of radio waves with the stop instruction moving body 200.
The memory 352 is a means for storing identification information of the RFID tag 350, threshold values of speed and acceleration (details will be described later), and the like.
The communication I / F 353 is an interface for CAN (Control Area Network) for information communication with the ECU 340, for example.
The control unit 354 is a circuit that is connected to the wireless communication unit 351, the memory 352, and the communication I / F 353 and performs various controls, and is, for example, an IC chip.

  Next, the conditions under which the target vehicle receives a stop instruction (executes stop) will be described with reference to FIG. FIG. 3 is a condition table. Such a condition is set in order to prevent a Service-to-Self from stopping any vehicle that is running, for example, by emitting an unauthorized radio wave (for details, see FIG. 5). To the description of FIG. 7).

As shown in FIG. 3, the condition table 3000 is composed of columns of target vehicle condition types and condition examples. The target vehicle condition type represents a type of necessary condition for stopping the target vehicle, and examples thereof include speed and acceleration. The condition example is an example of a condition related to each target vehicle condition type. Here, when the target vehicle condition type is speed, the condition example is “80 km / h (predetermined threshold) or higher”, and when the target vehicle condition type is acceleration, the condition example is “6 m / s ² (predetermined threshold) or higher. " Note that the numerical values of these example conditions are not shown in normal driving with a general vehicle, but are values that satisfy the driving with a escape vehicle (high speed, high acceleration, etc.) of a criminal suspect, as shown in FIG. It may be a value other than the value.

Next, means for stopping the target vehicle will be described with reference to FIG. 4 (see FIG. 1 as appropriate). FIG. 4 is the stop means table.
As shown in FIG. 4, the stop means table 4000 is composed of columns of the target vehicle stop means type and stop control examples. The target vehicle stop means type represents a type of means for stopping the target vehicle 300, and examples thereof include a brake means 320 and a drive means 330. The stop control examples are examples of stop control in each target vehicle stop means type. Here, when the target vehicle stop means type is the brake means 320, “operation” is an example of stop control, and when the target vehicle stop means type is the drive means 330, “energy supply stop” and “operation invalidation” are examples of stop control. Is listed.

The “energy supply stop” is to stop the supply of energy (eg, gasoline power) to the drive unit 330. For this purpose, the operation of the energy supply device in the driving means 330 may be stopped gradually or instantaneously.
Further, “operation invalidation” is to invalidate an accelerator pedal operation or the like by the driver of the target vehicle 300 (cancel an accelerator operation signal or the like).

Next, a first stopping method for the target vehicle will be described with reference to FIG. 5 (refer to other figures as appropriate). FIG. 5 is a flowchart showing respective processes in the target vehicle and the stop instruction moving body regarding the first stopping method.
First, when the driver of the stop instruction moving body 200 finds the target vehicle 300 that the suspected criminal has escaped, the vehicle including the target vehicle 300 is operated by operating the input unit 220. In response to this, the processing unit 250 transmits a radio wave of the stop instruction to the area via the wireless communication unit 210 (step S500). The stop instruction is input by, for example, the driver of the stop instruction moving body 200 using a stop instruction button (not shown) of the input unit 220. At this time, the target vehicle 300 such as the vehicle number of the target vehicle 300 is used. It is not necessary to input information for specifying the ID.

In the target vehicle 300, the control unit 354 of the RFID tag 350 determines whether or not the target vehicle condition (see FIG. 3) is satisfied within one minute from the reception of the stop instruction radio wave from the stop instruction moving body 200. (Step S510). For example, the control unit 354 determines whether or not the speed (information) of the target vehicle 300 received from the ECU 340 via the communication I / F 353 is equal to or higher than the threshold (80 km / h) stored in the memory 352. It is determined whether or not the target vehicle condition is satisfied. Similarly, whether or not the target vehicle condition is satisfied may be determined based on whether or not the acceleration is equal to or greater than a threshold value (6 m / s ² ).

  It is assumed that the target vehicle 300 is highly likely to satisfy the target vehicle condition, and that the vehicle other than the target vehicle 300 is unlikely to satisfy the target vehicle condition. That is, the target vehicle condition may be set as such. In addition, the time length (predetermined time) of “1 minute” in step S510 is an exemplification, and may be other time lengths (including zero) according to necessity or situation. The same applies to the time length in the processing.

  In step S510, the control unit 354 terminates the process (No) when the target vehicle condition is not satisfied within the one minute (the target vehicle 300 is less likely to cause the traffic flow to be confused). If the target vehicle condition is satisfied within the one minute (Yes), the process proceeds to step S520 when the target vehicle condition is satisfied. In step S520, the control unit 354 uses the wireless communication unit 351 to transmit the RFID tag ID (identification information of the RFID tag 350) stored in the memory 352 to the stop instruction mobile unit 200.

  The processing unit 250 of the stop instruction moving body 200 receives the RFID tag ID from the target vehicle 300 via the wireless communication unit 210 within one minute after the input (or transmission) of the stop instruction in step S500 after step S500. If it has not been received (No), the process is terminated. If it has been received (Yes), the process proceeds to step S540 upon reception.

  The processing unit 250 searches the stop signal DB 241 (see FIG. 2), acquires a stop signal corresponding to the RFID tag ID received in step S530 (step S540), and transmits the stop signal to the target vehicle 300 (step). S550).

  After step S520, the control unit 354 of the RFID tag 350 of the target vehicle 300 determines whether or not a stop signal has been received from the stop instruction moving body 200 within one minute from the transmission of the RFID tag ID in step S520 (step S520). S560) If not received (No), the process is terminated, and if received (Yes), immediately after the reception, the ECU 340 is instructed to stop control of the target vehicle 300 via the communication I / F 353 (Step S560). S570). Receiving the stop control instruction, the ECU 340 controls the brake means 320 or the drive means 330 serving as the stop means (see FIG. 4) to stop the target vehicle 300.

  Thus, according to the first stop method in the target vehicle stop system 1000, the stop signal mobile body 200 issues a radio stop signal regardless of whether the target vehicle 300 is a stolen vehicle or not. Can be stopped by. Then, by stopping the target vehicle 300, it is possible to prevent various accidents that may have occurred if the target vehicle 300 continues traveling.

Further, by using the target vehicle condition for determining whether or not to stop each vehicle, it is possible to increase the possibility of stopping the target vehicle 300 and not stopping other vehicles.
Furthermore, the target vehicle 300 can be realized simply by installing the RFID tag 350 on the existing vehicle, that is, the target vehicle stop system 1000 can be realized with less effort and cost.

In addition, by including such a procedure for stopping the target vehicle 300, it is possible to prevent abuse of the vehicle stop instruction, and further, the RFID tag ID and the corresponding stop signal can be obtained by a third party. The possibility of being reduced can be reduced.
Furthermore, since the stop instruction mobile body 200 normally tracks the target vehicle 300, vehicles in the opposite lane immediately move away from the stop instruction mobile body 200, and transmission / reception of radio waves with the stop instruction mobile body 200 is impossible. Therefore, there is also an effect that the possibility of stopping such a vehicle unnecessarily can be reduced.

  Next, a second stopping method for the target vehicle will be described with reference to FIG. 6 (see other figures as appropriate). FIG. 6 is a flowchart showing respective processes in the target vehicle and the stop instruction moving body regarding the second stopping method. Note that the same processing as in FIG. 5 is denoted by the same step code (such as “Step S520”), and redundant description is omitted as appropriate.

First, when the driver of the stop instruction moving body 200 finds the target vehicle 300 that the suspected criminal escapes, the driver inputs the stop instruction of the target vehicle 300 by operating the input unit 220. (Step S600). This stop instruction is performed, for example, by inputting the vehicle number of the target vehicle 300.
In response to the input in step S600, the processing unit 250 instructs the target vehicle 300 to transmit the RFID tag ID via the wireless communication unit 210 (step S601).

  On the other hand, the control unit 354 of the RFID tag 350 of the target vehicle 300 determines whether or not there has been an instruction to transmit the RFID tag ID from the stop instruction moving body 200 (step S602). If there is an instruction again (Yes), the process proceeds to step S603.

  The control unit 354 determines whether or not the target vehicle condition is satisfied within one minute from the time when the instruction to transmit the RFID tag ID is received (Yes in step S602) (step S603), and the target vehicle condition is not satisfied (No) terminates the process, and if the target vehicle condition is satisfied (Yes), the process proceeds to step S520 when the condition is satisfied. In step S <b> 520, the control unit 354 transmits the RFID tag ID stored in the memory 352 to the stop instruction mobile unit 200 using the wireless communication unit 351.

  The processing unit 250 of the stop instruction moving body 200 determines whether or not the RFID tag ID is received from the target vehicle 300 via the wireless communication unit 210 within one minute after the input of the stop instruction in step S500 after step S601. (Step S530) If not received (No), the process is terminated, and if received (Yes), the process proceeds to Step S540 upon reception.

  The processing unit 250 searches the stop signal DB 241 (see FIG. 2), acquires a stop signal corresponding to the RFID tag ID received in step S530 (step S540), and transmits the stop signal to the target vehicle 300 (step). S550).

  After step S520, the control unit 354 of the RFID tag 350 of the target vehicle 300 determines whether or not a stop signal has been received from the stop instruction moving body 200 within one minute from the transmission of the RFID tag ID in step S520 (step S520). S560) If not received (No), the process is terminated, and if received (Yes), immediately after the reception, the ECU 340 is instructed to stop control of the target vehicle 300 via the communication I / F 353 (Step S560). S570). Receiving the stop control instruction, the ECU 340 controls the brake means 320 or the drive means 330 serving as the stop means (see FIG. 2) to stop the target vehicle 300.

Thus, according to the second stopping method in the target vehicle stop system 1000, when the target vehicle 300 is stopped, the target vehicle 300 is stopped by specifying the target vehicle 300 by the vehicle number or the like. A situation in which the vehicle is unnecessarily stopped can be surely avoided.
Further, since the target vehicle 300 receives an instruction to transmit the RFID tag ID from the stop instruction moving body 200 and transmits the RFID tag ID to the stop instruction moving body 200 only when the target vehicle condition is satisfied, the RFID tag The possibility of unnecessarily transmitting IDs to the surroundings can be reduced, which is preferable in terms of security and cost.

  Next, a third stopping method for the target vehicle will be described with reference to FIG. 7 (refer to other figures as appropriate). FIG. 7 is a flowchart showing respective processes in the target vehicle and the stop instruction moving body regarding the third stopping method. In addition, the same step code | symbol is attached | subjected about the process similar to FIG. 5 and FIG. 6, and duplication description is abbreviate | omitted suitably.

First, when the driver of the stop instruction moving body 200 finds the target vehicle 300 that the suspected criminal escapes, the driver inputs the stop instruction of the target vehicle 300 by operating the input unit 220. (Step S600). This stop instruction is performed, for example, by inputting the vehicle number of the target vehicle 300.
The processing unit 250 of the stop instruction moving body 200 searches the stop signal DB 241 (see FIG. 2), acquires a stop signal corresponding to the vehicle number input in step S600 (step S710), and uses the stop signal as the target vehicle 300. (Step S720).

  On the other hand, the control unit 354 of the RFID tag 350 of the target vehicle 300 determines whether or not a stop signal has been received from the stop instruction moving body 200 (step S730), and if not received (No), repeats the process. If received (Yes), the process proceeds to step S740.

  The control unit 354 determines whether or not the target vehicle condition is satisfied within one minute from the time when the stop signal is received in step S730 (Yes) (step S740), and if the target vehicle condition is not satisfied (No), processing is performed. When the target vehicle condition is satisfied (Yes), the ECU 340 is instructed to stop the target vehicle 300 via the communication I / F 353 immediately after the condition is satisfied (step S570). Receiving the stop control instruction, the ECU 340 controls the brake means 320 or the drive means 330 serving as the stop means (see FIG. 4) to stop the target vehicle 300.

  In this way, according to the third stopping method in the target vehicle stop system 1000, when the target vehicle 300 is stopped, the processes in the stop instruction moving body 200 and the target vehicle 300 are light, and the mutual There is an advantage that the number of inter-communications can be reduced.

This is the end of the description of the embodiments, but the aspects of the present invention are not limited to these.
For example, a plurality of target vehicles such as speed violations may be simultaneously stopped by a single stop instruction from the stop instruction moving body.
In addition, when the target vehicle that has received the stop instruction performs stop control, the target vehicle door is locked at the same time so that the driver of the target vehicle (such as a criminal suspect) cannot escape after the target vehicle stops. It may be.

Furthermore, when the target vehicle is stopped, in addition to the control of the brake means and the drive means, other control such as lowering the tire air pressure may be performed.
Moreover, you may encrypt the signal transmitted / received by radio | wireless between a stop instruction | indication mobile body and an object vehicle.

Furthermore, the occurrence of an emergency may be notified to the surroundings by turning on the lamp of the target vehicle to be stopped or outputting sound from a speaker.
In addition, as a countermeasure when the stop instruction moving body is stolen, when the stop instruction moving body stops the target vehicle, the stop instruction moving body always makes an inquiry to the data center for the stop instruction wirelessly. The permission from the data center may have to be received wirelessly. For example, the stop signal DB may be in the data center instead of the stop instruction moving body.
In addition, about a concrete structure, it can change suitably in the range which does not deviate from the main point of this invention.

It is a whole block diagram of the target vehicle stop system of this embodiment. It is a figure which shows the structural example of stop signal DB. It is a condition table regarding the conditions under which the target vehicle receives a stop instruction. It is a stop means table | surface regarding a means when stopping a target vehicle. It is a flowchart which shows each process in a target vehicle and a stop instruction | indication moving body regarding a 1st stop method. It is a flowchart which shows each process in a target vehicle and a stop instruction | indication mobile body regarding the 2nd stop method. It is a flowchart which shows each process in a target vehicle and a stop instruction | indication mobile body regarding the 3rd stop method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Data center 200 Stop instruction | indication mobile body 210 Wireless communication part 220 Input part 230 Display part 240 Storage part 241 Stop signal DB
250 Processing Unit 300 Target Vehicle 310 Vehicle Speed Sensor 320 Brake Unit 330 Drive Unit 340 ECU
350 RFID tag 351 Wireless communication unit 352 Memory 353 Communication I / F
354 Control unit 1000 Target vehicle stop system

Claims (4)

An IC tag installed in the target vehicle for stopping the target vehicle when receiving a wireless stop signal issued by the stop instruction moving body,
A communication interface connected to the electronic control unit of the target vehicle;
A memory for storing self-identification information;
A wireless communication unit for transmitting and receiving radio waves to and from the stop instruction mobile unit;
When the speed information or acceleration information of the target vehicle received from the electronic control unit via the communication interface exceeds a predetermined threshold value, the stop instruction is sent from the wireless communication unit to the identification information stored in the memory. When the stop signal is wirelessly transmitted to the mobile body and the stop signal is wirelessly received from the stop instruction mobile body via the wireless communication unit, the target vehicle is stopped by the stop means of the target vehicle via the electronic control unit. A control unit for instructing
An IC tag characterized by comprising: An IC tag installed in the target vehicle for stopping the target vehicle when receiving a wireless stop signal issued by the stop instruction moving body,
A communication interface connected to the electronic control unit of the target vehicle;
A memory for storing self-identification information;
A wireless communication unit for transmitting and receiving radio waves to and from the stop instruction mobile unit;
When a stop signal is wirelessly received from the stop instruction moving body via the wireless communication unit, speed information or acceleration information of the target vehicle received from the electronic control unit via the communication interface within a predetermined time thereafter A control unit that instructs the stop means of the target vehicle to stop the target vehicle via the electronic control unit when it is determined whether or not the predetermined threshold is exceeded.
An IC tag characterized by comprising: An IC tag installed in the target vehicle and a stop instruction moving body or a stop instruction moving body are installed at a different location, and a stop signal for stopping the corresponding target vehicle for each identification information of the IC tag. A target vehicle stop method by a target vehicle stop system using a stored stop signal DB and a processing unit installed in a stop instruction moving body,
When the IC tag determines that the speed or acceleration of the target vehicle has exceeded a predetermined threshold, wirelessly transmits its own identification information to the stop instruction moving body;
When the processing unit wirelessly receives identification information from the IC tag of the target vehicle, searches the stop signal DB, extracts a corresponding stop signal, and wirelessly transmits the stop signal to the target vehicle;
Instructing the stop means of the target vehicle to stop the target vehicle when the IC tag wirelessly receives a stop signal from the stop instruction moving body;
The target vehicle stop method characterized by performing. From a communication interface connected to the electronic control unit of the target vehicle, a memory storing its own identification information, a wireless communication unit for transmitting and receiving radio waves to and from the stop instruction mobile body, and a control unit for controlling A target vehicle stopping method using an IC tag configured and installed in the target vehicle,
The controller is
When the speed information or acceleration information of the target vehicle received from the electronic control unit via the communication interface exceeds a predetermined threshold, the identification information stored in the memory is stopped from the wireless communication unit. Wirelessly transmitting to the pointing mobile;
Instructing stop means of the target vehicle to stop the target vehicle via the electronic control unit when a stop signal is wirelessly received from the stop instruction moving body via the wireless communication unit;
The target vehicle stop method characterized by performing.

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