JP2020095321A - Information system and information transmission method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information system and an information transmitting method capable of assisting an autonomous driving vehicle to safely travel.
An information system 1a is an information system 1a installed outside a facility. In addition, the information system 1a includes an information output unit 20 that acquires mobile body information existing in the surrounding area. Then, the information output unit 20 transmits the mobile body information to the vehicle 50.
[Selection diagram] Fig. 3

Description

The present disclosure relates to an information system and an information transmission method.

As a conventional information system, Patent Document 1 discloses a reproduction device which is connected to a reproduction network and reproduces content acquired from the reproduction network.

Japanese Patent No. 6002843

By the way, when the conventional information system is applied to an autonomous vehicle, it is not possible to obtain information indicating the presence of a moving body around the autonomous vehicle from the network.

Therefore, it is an object of the present invention to provide an information system and an information transmission method that can assist the autonomous driving vehicle to travel safely.

In order to achieve the above object, one aspect of an information system according to the present disclosure is an information system installed outdoors of a facility, the information system including an information output unit that acquires information about a moving body existing in the surroundings, The information output unit transmits information about the moving body to the vehicle.

Moreover, in order to solve the above-mentioned subject, one mode of the information transmission method concerning this indication WHEREIN: The information output part installed in the outdoors of a facility acquires the information regarding the moving body which exists in the surroundings, and the said information. And transmitting the information about the moving body acquired by the output unit to the vehicle.

According to the information system and the like according to the present disclosure, it is possible to assist the autonomous driving vehicle so that it can travel safely.

FIG. 1 is a schematic diagram illustrating the information system according to the first embodiment. FIG. 2 is a block diagram illustrating the information system according to the first embodiment. FIG. 3 is a sequence diagram illustrating the operation of the information system according to the first embodiment. FIG. 4 is a block diagram illustrating an information system according to the second embodiment. FIG. 5 is a sequence diagram illustrating the operation of the information system according to the second embodiment.

(Findings that form the basis of this disclosure)
In recent years, the rapid development of self-driving vehicles has led to the appearance of self-driving vehicles. So-called level 3 has been realized in self-driving vehicles. Here, level 3 is an automatic driving level in which a driver needs to drive a vehicle in a residential area, etc., while all controls of acceleration, steering, and braking are automatically performed in a specific area such as a highway. Is. In recent years, efforts have been made to realize so-called level 4, which is higher than level 3. Here, level 4 is an automatic driving level in which all controls of acceleration, steering, and braking are automatically performed in a residential area and the driver is not involved in driving the vehicle. However, in a residential area or the like, there are many blind spots due to obstacles, and thus it is difficult for the vehicle to operate completely automatically.

Therefore, there is provided an information system or the like that can assist an autonomous vehicle to safely travel even in a residential area. From the perspective of so-called level 5 in the future, it can be said that the information system in the autonomous driving vehicle is an essential technology for infrastructure and residential areas. Here, the level 5 is a fully automated automatic driving level not limited to a place.

Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. It should be noted that each of the embodiments described below shows a specific example of the present disclosure. Therefore, the numerical values, shapes, materials, constituent elements, arrangement and connection form of constituent elements, steps, order of steps, and the like shown in the following embodiments are examples, and are not intended to limit the present disclosure. Therefore, among the constituent elements in the following embodiments, the constituent elements that are not described in the independent claims showing the highest concept of the present disclosure will be described as arbitrary constituent elements.

In addition, each drawing is a schematic view and is not necessarily strictly illustrated. Therefore, for example, the scales and the like do not necessarily match in each drawing. Further, in each drawing, substantially the same configurations are denoted by the same reference numerals, and overlapping description will be omitted or simplified.

First, an information system and an information transmission method according to this embodiment will be described.

(Embodiment 1)
[Constitution]
FIG. 1 is a schematic diagram illustrating the information system 1a according to the first embodiment.

As shown in FIG. 1, the information system 1a is a system in which a device installed outdoors of a facility such as an urban area or a residential area transmits information about a mobile body 90 (hereinafter, referred to as mobile body information) to a vehicle 50. .. For example, the device of the information system 1a is installed outdoors in a residential area on the premises of a facility. For example, the device is installed on an outer wall of a facility, a fence, a garden, or the like. Here, the vehicle 50 is an automatic driving vehicle, but it is possible to switch between a manual driving mode and an automatic driving mode. The vehicle 50 is, for example, an automobile or a motorcycle. Further, the device installed outdoors is, for example, the lighting device 10, the intercom, the delivery box, etc. installed in a house.

FIG. 2 is a block diagram illustrating the information system 1a according to the first embodiment.

As shown in FIG. 2, the information system 1a includes one or more lighting devices 10. In the present embodiment, a lighting device 10 will be described as an example of the device.

Each of the lighting devices 10 is installed outside the facility so that it can illuminate the facility such as a house and the entire space around the facility. Each of the lighting devices 10 is, for example, a spotlight 10a, a nameplate light 10b, a downlight 10c, a porch light 10d, a garden light 10e, or the like. The spotlight 10a, the nameplate light 10b, the downlight 10c, the pouch light 10d, the garden light 10e, and the like form an ad-hoc network of BLE (Bluetooth (registered trademark) Low Energy), and can communicate with each other.

An information output unit 20 is mounted on each lighting device 10. The information output unit 20 may be integrally provided in each lighting device 10, or may be separately connected to each lighting device 10. In this case, the information output unit 20 is electrically and communicatively connected to each lighting device 10.

The information output unit 20 transmits the mobile body information existing around the information output unit 20 to the vehicle 50. The moving body 90 is, for example, a vehicle 50 or a person passing by or stopping by the facility, or a vehicle 50 or a person departing from the facility.

The information output unit 20 includes a detection unit 21 and a communication unit 22.

The detection unit 21 is a sensor that detects the moving body 90 existing around the detection unit 21, that is, around the illumination device 10. Specifically, the detection unit 21 detects and acquires the position of the moving body 90, the speed of the moving body 90, the traveling direction of the moving body 90, the type of the moving body 90, and the like. The detection unit 21 is, for example, an imaging device such as a TOF (Time of Flight) camera, an infrared camera or a visible light camera, a laser radar, or a human sensor, and these sensors may be used in combination.

The detection unit 21 outputs the detected mobile body information to the communication unit 22. That is, the detection unit 21 extracts the vehicle 50 from the moving body 90 existing around the detection unit 21, and transmits the moving body information to the extracted vehicle 50 via the communication unit 22. The detection unit 21 may transmit the mobile body information to the vehicle 50 via the communication unit 22 by the vehicle 50 requesting the mobile body information from the information output unit 20.

Here, the moving body information includes position information of the moving body 90, speed information of the moving body 90, traveling direction information of the moving body 90, type information of the moving body 90, and the like. Specifically, the position information of the moving body 90 is information indicating the position of the moving body 90 at the time when the detecting unit 21 detects the moving body 90, and detects the moving body 90 from the detecting unit 21 to the moving body 90. It may be relative position information up to the moving body 90 to be excluded, or absolute position information such as latitude and longitude. The speed information of the moving body 90 is information indicating the traveling speed of the moving body 90 at the time when the detection unit 21 detects the moving speed. Furthermore, the traveling direction information of the moving body 90 is information indicating the traveling direction of the moving body 90 at the time of detection by the detection unit 21, and is, for example, information indicating the azimuth in which the moving body 90 is traveling. The type information of the moving body 90 is information that specifies the type of the moving body 90, such as a child, an elderly person, an adult, a bicycle, a motorcycle, or an automobile.

It should be noted that the mobile body information may include information on the vehicle 50, but of course includes mobile body information other than the vehicle 50.

The communication unit 22 is a wireless communication module that transmits the mobile body information acquired by the detection unit 21 to the vehicle 50. Specifically, the communication unit 22 transmits, to the vehicle 50, the information output unit 20, that is, the mobile body information to be used by the vehicle 50 existing around the lighting device 10. The communication unit 22 broadcasts mobile unit information to the vehicles 50 existing in the vicinity. For example, the communication unit 22 performs wireless communication with the vehicle 50 using a communication protocol such as Wi-Fi.

Further, each lighting device 10 includes a control unit 11, a light emitting module 12, and a power supply unit 13.

The control unit 11 is a controller that controls turning on and off of the light emitting module 12. The control unit 11 is also a controller that controls the lighting state of the light emitting module 12. That is, the control unit 11 has a light control circuit and a color control circuit that control the lighting state of the light emitting module 12. The control unit 11 increases or decreases the amount of light emitted from the light emitting module 12 according to the instructed dimming rate. Further, the control unit 11 raises or lowers the color temperature of the light emitted by the light emitting module 12 according to the instructed color temperature. In this way, the control unit 11 controls the light emitting module 12 to emit light with a dimming rate changed or emit light with a toned rate changed.

The illumination device 10 may have an illuminance sensor. Specifically, if the illuminance sensor detects that the surroundings are bright, the control unit 11 transmits a command with a small amount of light emitted from the light emitting module 12 to the power supply unit 13. Further, when the illuminance sensor detects that the surroundings are dark, the control unit 11 sends a control command with a large amount of light emitted from the light emitting module 12 to the power supply unit 13. As a result, the lighting device 10 lights up brightly or darkly depending on the ambient illuminance.

The lighting device 10 may include a motion sensor. The control unit 11 may control the turning on and off of the light emitting module 12 based on the detection information acquired from the motion sensor. The human sensor is a sensor that detects the presence or absence of a person in the vicinity of the lighting device 10. When the presence of a person is detected, the detected sensor may transmit the detected information to the control unit 11. For example, when the control unit 11 acquires the detection information from the motion sensor, it sends a command to turn on the light emitting module 12 to the power supply unit 13, and when the detection information is acquired from the motion sensor, the control unit 11 lights the light emitting module 12. A command to turn off may be transmitted to the power supply unit 13. As a result, the lighting device 10 is turned on when the person is present, and is turned off when the person is not present.

The light emitting module 12 emits light for the illumination device 10 to illuminate the surroundings. The light emitting module 12 is a module having an LED (Light Emitting Diode) that radially emits light. The light emitting module 12 has, for example, a light source configured to emit white light, and a mounting substrate for mounting the light source.

The light source is composed of COB (Chip On Board) type LEDs, a plurality of blue LEDs which are bare chips (LED chips) mounted on a mounting substrate, and the blue LEDs are sealed, and a sealing including a yellow phosphor is included. And a member. Electrode terminals for receiving a direct current from the power supply unit 13 are formed on the mounting substrate in order to make the light source emit light. DC current is supplied to the electrode terminals via lead wires connected to the wiring. The light source is not limited to the COB type LED, and may be an SMD (Surface Mount Device) type LED.

The power supply unit 13 is a module including a power supply circuit that supplies power to the light emitting module 12. The power supply circuit built in the power supply unit 13 converts the alternating current supplied from the wiring connected to the power supply unit 13 into a direct current, and supplies the converted direct current to the light source of the light emitting module 12 through the lead wire. To do.

The vehicle 50 receives information about moving bodies existing in the surroundings from the information output unit 20 mounted on each lighting device 10. The vehicle 50 can be used to determine whether to continue traveling or stop traveling based on this mobile body information.

[motion]
Next, operations of the information system 1a and the information transmission method will be described.

FIG. 3 is a sequence diagram illustrating the operation of the information system 1a according to the first embodiment.

As shown in FIG. 3, the detection unit 21 of the information output unit 20 mounted on each lighting device 10 detects the moving body 90 existing around the lighting device 10 (S11). That is, the vehicle 50 exists around the lighting device 10.

Next, the information output part 20 transmits mobile body information with respect to the said vehicle 50 (S12). The vehicle 50 receives the mobile body information. Then, the information system 1a ends the process.

Thus, for example, when the vehicle 50 departs from the facility, the moving body 90 existing around the lighting device 10 (the vehicle 50 that is about to depart and the moving body 90 other than the vehicle 50) is detected and detected. The moved mobile body information is transmitted to the vehicle 50. Thereby, the vehicle 50 can receive the mobile body information (mobile body information other than the vehicle 50). Therefore, the vehicle 50 controls the vehicle 50 based on the position information of the moving body 90, the speed information of the moving body 90, the traveling direction information of the moving body 90, and the type information of the moving body 90 indicated by the moving body information. It can be used to judge whether it is possible to start.

[Effect]
Next, operational effects of the information system 1a and the information transmitting method according to the present embodiment will be described.

As described above, the information system 1a according to the present embodiment is the information system 1a installed outside the facility. In addition, the information system 1a includes an information output unit 20 that acquires mobile body information existing in the surrounding area. Then, the information output unit 20 transmits the mobile body information to the vehicle 50.

Usually, in a residential area or the like, there are many blind spots due to obstacles, and there is an environment where an infrastructure sensor (for example, a sensor such as Orvis (registered trademark)) for detecting a moving body is not installed. However, according to this information system 1a, the information output unit 20 transmits the mobile body information to the vehicles 50 existing around the information output unit 20. That is, by using a device such as a lighting device, an intercom, and a delivery box that are usually installed in a residential area or the like, it is possible to detect the moving body 90 traveling in the residential area or the like, and thus an obstacle in the residential area or the like. The blind spot due to can be reduced. As a result, the vehicle 50 can be used, for example, to determine whether to stop traveling or start based on the moving body information.

Therefore, even in a residential area, it is possible to assist the autonomous driving vehicle so that it can travel safely.

Further, the information system 1a according to the present embodiment further includes the lighting device 10 having the information output unit 20 mounted therein.

Further, in the information transmitting method according to the present embodiment, the information output unit 20 installed outside the facility acquires the mobile body information existing in the surroundings and the mobile body information acquired by the information output unit 20. Transmitting to the vehicle 50.

Also in these, the same effect as the above is produced.

Further, in the information system 1a according to the present embodiment, the information output unit 20 detects the moving body 90 existing in the surroundings and outputs the detected moving body information, and the movement output by the detecting unit 21. The communication unit 22 that transmits the body information to the vehicle 50.

According to this, the detection unit 21 can detect the mobile body 90 existing around the information output unit 20, and can transmit the mobile body information detected by the communication unit 22 to the vehicle 50. Therefore, the moving body 90 can be accurately detected.

Further, in the information system 1a according to the present embodiment, the moving body information is position information of the moving body 90, speed information of the moving body 90, traveling direction information of the moving body 90, and type information of the moving body 90. ..

According to this, the vehicle 50 can acquire information for more accurately predicting the movement of the moving body 90 other than the own vehicle 50. Therefore, in the information system 1a, it is possible to more appropriately assist the autonomous driving vehicle so that it can travel safely.

(Embodiment 2)
FIG. 4 is a block diagram illustrating the information system 1b according to the second embodiment.

In the present embodiment, the information system 1b and the information transmission method differ from the first embodiment in that the terminal device 210 emits a beacon signal. Unless otherwise specified, other configurations in the present embodiment are the same as those in the embodiments, and the same reference numerals are given to the same configurations, and detailed description of the configurations will be omitted.

As shown in FIG. 4, the information system 1b further includes a terminal device 210 held by the moving body 90, in addition to the one or more lighting devices 10. For example, the terminal device 210 is a smartphone, a tablet terminal, or the like. The terminal device 210 may be a cane, a name tag, an IC card, a card case, or the like equipped with a transmitter that emits a beacon signal. That is, the terminal device 210 is a device mounted on the mobile body 90 (for example, a car) or carried by the mobile body 90 (for example, a person).

For example, a cane, a name tag, an IC card, a card case, and the like are always owned by the user, and thus the terminal device 210 can transmit the user's accurate mobile body information to the vehicle 50. Further, since such a terminal device 210 has not only the communication protocol of the beacon signal but also the communication protocol of the ad hoc network, it can be linked with the devices constituting the ad hoc network in the facility. As described above, the terminal device 210 not only transmits the moving body information for assisting the automatic driving to the vehicle 50, but also interlocks with the lighting device 10 when the user returns home, opens and closes the electric lock, and the like (IoT). Configure the Internet of Things) system.

Further, the terminal device 210 may be a device including a light reflection sheet that is easily visible at night. Therefore, the terminal device 210 may be further provided with a function having excellent visibility.

The terminal device 210 emits a beacon signal including mobile body information. Specifically, the terminal device 210 emits a beacon signal including position information, speed information, traveling direction information, and type information of the terminal device 210. For example, the position information may be acquired by a GPS (Global Positioning System) function included in the terminal device 210. The speed information may be acquired by a speed sensor included in the terminal device 210. Further, the traveling direction information may be acquired by a geomagnetic sensor included in the terminal device 210. Further, the type information may be acquired by the data previously input by the user into the terminal device 210. Further, the terminal device 210 may include an imaging device. The terminal device 210 may calculate the position information, the speed information, the traveling direction information, and the type information of the terminal device 210 based on the information captured by the imaging device.

When the vehicle 50 exists within a distance that the beacon signal emitted by the terminal device 210 reaches, the vehicle 50 receives the beacon signal emitted by the terminal device 210. The vehicle 50 acquires the mobile body information from not only the mobile body information from each of the lighting devices 10 but also the terminal device 210 used for the mobile body 90.

[motion]
Next, operations of the information system 1b and the information transmission method will be described.

FIG. 5 is a sequence diagram illustrating an operation of the information system 1b according to the second embodiment. Descriptions of the same processes as those in FIG. 3 will be appropriately omitted.

As shown in FIG. 5, when the terminal device 210 approaches the vehicle 50, the vehicle 50 receives the beacon signal emitted by the terminal device 210 (S111). Since the terminal device 210 constantly emits a beacon signal, the vehicle 50 receives the beacon signal when it enters the beacon signal reception area.

On the other hand, the detection unit 21 of the information output unit 20 mounted on each lighting device 10 detects the moving body 90 existing around the lighting device 10 (S11).

Next, the information output part 20 transmits mobile body information with respect to the said vehicle 50 (S12). The vehicle 50 receives the mobile body information. Then, the information system 1b ends the process.

[Effect]
Next, the operational effects of the information system 1b and the information transmitting method according to the present embodiment will be described.

As described above, the information system 1b according to the present embodiment further includes the terminal device 210 held by the mobile body 90. In addition, the terminal device 210 emits a beacon signal including mobile body information. Then, the vehicle 50 receives the beacon signal emitted by the terminal device 210.

As described above, since the mobile unit information of the terminal device 210 can be acquired by the beacon signal, the running vehicle 50 can accurately grasp the information from the shadow that cannot be supplemented by the detection unit 21 such as a camera or a sensor. That is, the position of the terminal device 210 can be accurately grasped like a map viewed from above. The vehicle 50 can be programmed to perform a series of actions such as decelerating or stopping so as not to collide with the moving body 90, or bypassing the source of the beacon signal. Therefore, the vehicle 50 can avoid an accident in advance. Furthermore, the vehicle 50 can take measures according to various environments by combining with the moving body information acquired by the detection unit 21.

Moreover, the information system 1b transmits mobile body information to the vehicle 50, and the terminal device 210 transmits a beacon signal. Therefore, for example, even if the information system 1b and the vehicle 50 cannot communicate with each other due to the deterioration of the communication environment, the vehicle 50 can receive the beacon signal emitted from the terminal device 210. Therefore, the information system 1b can reliably transmit the mobile body information to the vehicle 50.

(Other modifications)
The present disclosure has been described above based on the first and second embodiments, but the present disclosure is not limited to the above information system and information transmission method.

For example, in the information system and the information transmission method according to the first and second embodiments, the information output unit mounted in each lighting device may transmit the mobile body information to the vehicle via the cloud.

Further, each of the lighting devices of the information system according to the first and second embodiments may be communicatively connected to the lighting device inside the facility. In addition, each lighting device may be capable of performing wireless communication according to a single protocol or a multi-protocol.

Further, each of the lighting devices of the information system according to the first and second embodiments may be interlocked with a home electric appliance such as a speaker or an air conditioner inside the facility. For example, a speaker may emit a sound or an air conditioner may be activated at the same time when each lighting device is turned on.

Further, the information transmission method according to the first and second embodiments may be a program realized by using a computer.

Each processing unit included in the information system according to the first and second embodiments is typically realized as an LSI which is an integrated circuit. These may be individually made into one chip, or may be made into one chip so as to include some or all of them.

Further, the integrated circuit is not limited to the LSI, and may be realized by a dedicated circuit or a general-purpose processor. An FPGA (Field Programmable Gate Array) that can be programmed after the LSI is manufactured, or a reconfigurable processor that can reconfigure connection and settings of circuit cells inside the LSI may be used.

In each of the above-described first and second embodiments, each component may be configured by dedicated hardware or may be realized by executing a software program suitable for each component. Each component may be realized by a program execution unit such as a CPU or a processor reading and executing a software program recorded in a recording medium such as a hard disk or a semiconductor memory.

Further, all the numbers used above are examples for specifically explaining the present disclosure, and the embodiments of the present disclosure are not limited to the exemplified numbers.

Also, the division of functional blocks in the block diagram is an example, and multiple functional blocks can be implemented as one functional block, one functional block can be divided into multiple, and some functions can be transferred to other functional blocks. May be. In addition, the functions of a plurality of functional blocks having similar functions may be processed in parallel or in time division by a single piece of hardware or software.

In addition, the order in which the steps in the flowchart are executed is an example for specifically describing the present disclosure, and may be an order other than the above. Further, some of the steps may be executed simultaneously (in parallel) with other steps.

In addition, a configuration obtained by making various modifications that those skilled in the art can think of the first and second embodiments, and by arbitrarily combining the components and functions of the first and second embodiments without departing from the spirit of the present disclosure The forms realized are also included in the present disclosure.

1a, 1b Information system 10 Lighting device 10a Spotlight (lighting device)
10b Nameplate light (lighting device)
10c Downlight (lighting device)
10d porch light (lighting device)
10e Garden light (lighting device)
20 information output unit 21 detection unit 22 communication unit 50 vehicle 90 mobile unit 210 terminal device

Claims (6)

An information system installed outside the facility,
Equipped with an information output unit that acquires information about moving objects existing around
The information output unit transmits information about the moving body to a vehicle. The information output unit detects the moving body existing around and outputs a detected information about the moving body, and a communication unit that transmits the information about the moving body output by the detecting unit to the vehicle. The information system according to claim 1, further comprising: The information system according to claim 1, wherein the information about the moving body is position information of the moving body, speed information of the moving body, traveling direction information of the moving body, and type information of the moving body. Furthermore, a terminal device held by the mobile body is provided,
The terminal device emits a beacon signal including information about the moving body,
The information system according to claim 1, wherein the vehicle receives the beacon signal emitted by the terminal device. The information system according to any one of claims 1 to 4, further comprising a lighting device on which the information output unit is mounted. The information output unit installed outdoors of the facility acquires information about moving objects existing in the surrounding area,
Transmitting the information about the moving body acquired by the information output unit to a vehicle.

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