KR20220023684A - Apparatus and Method for Providing Information - Google Patents

Abstract

Disclosed are: an apparatus for providing information that is capable of providing information to both a user thereof and others, but provides different information to the user and others, thereby being able to improve user convenience and satisfaction; and a control method thereof. According to one aspect of the present invention, provided are an apparatus and a method for providing information, the apparatus for providing information comprising: an output unit that outputs the information of the apparatus for providing information; and a control unit that generates first information and second information according to one output mode among a normal mode, a safe mode, and an emotional mode, and enables the first information to be output to a user and the second information to be output to the outside of the apparatus for providing information through the output unit.

Description

Apparatus and Method for Providing Information

Embodiments of the present invention relate to an apparatus for providing information not only to a user but also to others, particularly, to an apparatus for providing information that provides different information to a user and others according to various modes, and a method for controlling the same.

The content described in this section merely provides background information on the present invention and does not constitute the prior art.

Recently, as a means of transportation or transportation, the proportion of vehicles is decreasing, and the proportion of personal mobility (PM) is increasing. Here, the PM is a moving body for 1 or 2 people, and means a moving means including an electric kickboard, a bicycle, a bike, a smart car, a vehicle, a purpose-built vehicle (PBV), an air vehicle, and the like.

PM is smaller in size than vehicles or bikes and is easy to store, so it is often used on narrow roads where vehicles cannot enter. While PM has high accessibility for users, it has limitations in receiving various contents compared to vehicles. For example, users of a vehicle may use various contents such as music playback, navigation guidance, and call connection. On the other hand, PM users can only be provided with a function of moving using the PM, and it is difficult to receive other contents.

Meanwhile, the use of helmets by PM users has recently increased due to safety and legal regulations. In order to increase convenience as PM users' helmet usage increases, technologies that provide various functions to users through helmets equipped with cameras, brain wave sensors, and speakers are being developed. That is, the helmet is studied as a safety device and an information providing device at the same time.

However, various contents are provided only to helmet wearers, and research on technology for providing information to others is insufficient. Accordingly, there is a need for a function capable of providing useful information not only to helmet wearers but also to others, and providing different information to the wearer and others.

In addition, there is a problem in that the type of information provided by the information providing device is determined at the time of manufacturing the device, and appropriate information cannot be provided depending on the location.

Therefore, there is a need for research on an information providing device that can provide information not only to the user of the information providing device but also to others, but can also provide appropriate information according to the location of the device.

SUMMARY Embodiments of the present invention provide an information providing apparatus that provides information not only to a user of the information providing apparatus but also to others, and provides different information to a user and another person, and a method for controlling the same.

Another object of the present invention is to provide an information providing apparatus and a control method thereof that determine various modes according to the location of the information providing apparatus and provide appropriate information to a user and others according to the various modes.

According to an aspect of the present invention, an output unit for outputting information of the information providing device; and generating the first information and the second information according to any one output mode of the normal mode, the safe mode, and the emotional mode, and outputting the first information to the user through the output unit, and providing the second information to the information providing device It provides an information providing device including a control unit for controlling to output to the outside of the.

According to another aspect of this embodiment, the process of generating the first information and the second information according to the output mode of any one of the normal mode, the safe mode, and the emotional mode; and outputting the first information to a user and outputting the second information to the outside of the information providing apparatus.

As described above, according to an embodiment of the present invention, information is output according to various modes of the information providing device, but different information is provided to the user and others, thereby improving user convenience and satisfaction.

According to another embodiment of the present invention, by setting the mode of the information providing device to one of a normal mode, a safety mode, and an emotional mode according to the location of the device, and providing information according to each mode, the driving performance in the general mode and the safety mode Productivity can be increased in safety and emotional mode.

1 is an exemplary diagram of an information providing apparatus according to an embodiment of the present invention.
2 is a block diagram of an information providing apparatus according to an embodiment of the present invention.
3 is a diagram illustrating a configuration in which an output mode is determined based on a location of an information providing apparatus according to an embodiment of the present invention.
4A and 4B are diagrams for explaining a process of estimating an accurate location of an information providing apparatus according to an embodiment of the present invention.
5 is a flowchart illustrating a method of controlling an information providing apparatus according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In addition, in describing the components of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the component from other components, and the essence, order, or order of the component is not limited by the term. Throughout the specification, when a part 'includes' or 'includes' a certain component, it means that other components may be further included, rather than excluding other components, unless otherwise stated. . In addition, terms such as '~ unit' and 'module' described in the specification mean a unit that processes at least one function or operation, which may be implemented as hardware or software or a combination of hardware and software.

Hereinafter, a personal mobility device (Personal Mobility Vehicle, hereinafter referred to as PM) refers to a moving body that can be moved by one or two people. For example, Micro Mobility, Electric Bicycle, Electric Scooter, Electric Scooter, Electric Wheelchair, Electric Bike, Segway, 2-Wheel Drive, Smart Car, 1-2 Seater Shuttle, Personal There are transportation means, personal flight means, smart mobility, shared mobility, first mile, last mile, PBV (Purpose Built Vehicle), PAV (Personal Air Vehicle), vehicle, electric vehicle, etc.

In addition, the intelligent transport system (Intelligent Transport System, ITS) includes a roadside unit (RSU) or a mobile communication base station, and all of the roadside device or mobile communication base station perform broadcasting, but as needed A communication method such as unicast or multicast may be supported. Hereinafter, the roadside units (Road Side Unit, RSU) are described based on performing V2X (Vehicle to Everything) communication with the PM, but is not limited thereto, and LTE-V2X, C-V2X, 5G-V2X, WAVE (Wireless Access In Vehicular Environment), DSRC (Dedicated Short Range Communication), etc. can be used. That is, a communication standard used in an intelligent transport system (ITS) may be used.

1 is an exemplary diagram of an information providing apparatus according to an embodiment of the present invention.

Referring to FIG. 1 , the information providing device 1 includes an outer shell 100 , a gear 102 , a first output unit 110 , a second output unit 112 , a third output unit 114 , and a communication unit ( 120 ), a biosignal receiver 130 , an impact detector 140 , and a controller 150 .

Although the information providing apparatus 1 is described as a helmet in FIG. 1 , the information providing apparatus 1 may be any one of a terminal, a smart phone, a wearable device, and a helmet. In addition, as long as an interface for outputting information to a user and an interface for outputting information to others are separate devices, the information providing device 1 may be implemented in any form.

A helmet is a device worn by a user on the head to protect the user's head. The helmet can accommodate the user's head and is formed to protect the accommodated user's head. The types of helmets may be classified into helmets for personal mobility, helmets for motorcycles, helmets for bicycles, helmets for boards, helmets for skis, helmets for skating, and safety helmets according to uses.

The outer shell 100 mitigates the impact applied to the user when the helmet and the object collide. In addition to the outer shell 100 , the information providing device 1 may further include a layer for absorbing shock, such as a comfort liner and an inner shell. The layers may include a Styrofoam (EPS) layer that is light, has excellent shock absorption, is easy to form, and exhibits stable performance regardless of temperatures such as high and low temperatures.

The gear 102 is mounted on the outer shell 100 and is an element constituting a shaft on which the first output unit 110 moves.

The first output unit 110 is a component that provides information to a user. When the information providing device 1 is a helmet, the first output unit 110 may be implemented as a display combined with a visor or shield of the helmet. When the first output unit 110 is a visor including a display, it protects the user's face in the event of a collision and secures the user's view while moving. The visor is made of a transparent material, and may further include a film for blocking ultraviolet rays or glare. In addition, the visor may be implemented as a visor that automatically changes color or transparency according to illuminance using chemical and electrical methods.

The second output unit 112 and the third output unit 114 are components that provide information to others. The second output unit 112 and the third output unit 114 may also be implemented in the form of a display. Although the second output unit 112 is illustrated as a rear display of the information providing device 1 in FIG. 1 , it may be implemented at any location capable of providing information to others. In addition, the third output unit 114 may be a component that is located on the side and outputs information to others by voice.

Information output by the first output unit 110 , the second output unit 112 , and the third output unit 114 varies according to an output mode of the information providing apparatus 1 .

The communication unit 120 is a component that performs wired/wireless communication with an intelligent transport system (ITS).

The communication unit 120 may include one or more components that enable communication with an external device, and may include, for example, at least one of a short-range communication module, a wired communication module, and a wireless communication module.

The short-distance communication module transmits signals using a wireless communication network in a short distance such as a Bluetooth module, an infrared communication module, an RFID (Radio Frequency Identification) communication module, a WLAN (Wireless Local Access Network) communication module, an NFC communication module, and a Zigbee communication module. It may include various short-distance communication modules for transmitting and receiving.

The wired communication module includes various wired communication modules such as a Local Area Network (LAN) module, a Wide Area Network (WAN) module or a Value Added Network (VAN) module, as well as a USB (Universal Serial Bus) module. , HDMI (High Definition Multimedia Interface), DVI (Digital Visual Interface), RS-232 (recommended standard232), power line communication, or POTS (plain old telephone service) may include various cable communication modules such as.

The wireless communication modules are V2X (vehicle-to-everything), C-V2X (Cellular-V2X), WAVE (Wireless Access in Vehicle Environment), DSRC (Dedicated Short Range Communication), Wi-Fi module, Wi-Bro (Wireless broadband) In addition to modules, Global System for Mobile Communication (GSM), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), universal mobile telecommunications system (UMTS), Time Division Multiple Access (TDMA), Long Term Evolution (LTE) ), and may include a wireless communication module supporting various wireless communication methods such as NR (New Radio).

The biosignal receiver 130 is a component that receives a user's biosignal.

The biosignal receiver 130 may detect the user's brain wave information, blood flow information, blood pressure information, oxygen saturation, carbon dioxide saturation, pulse, respiration rate, respiration rate, and the like. The biosignal receiver 130 is located inside the helmet so as to contact the user's head. When receiving EEG, the biosignal receiver 130 may receive EEG generated from the frontal lobe in contact with the skin of the head adjacent to the frontal lobe responsible for memory and thinking.

The impact sensor 140 is a component that detects an impact when the information providing device 1 collides. The impact detection unit 140 may be implemented at a location capable of efficiently detecting the impact.

The control unit 150 controls the first output unit 110 , the second output unit 112 , the third output unit 114 , the communication unit 120 , the biosignal receiving unit 130 , and the impact sensing unit 140 . is a component

2 is a block diagram of an information providing apparatus according to an embodiment of the present invention.

Referring to FIG. 2 , the information providing apparatus 20 may include an output unit 200 , a communication unit 210 , a biosignal receiving unit 220 , an impact sensing unit 230 , and a control unit 240 . In addition to this, a storage unit (not shown) may be further included.

The information providing apparatus 20 may be implemented as a terminal, a smart phone, a wearable device, a helmet, and the like.

The output unit 200 is a component that outputs information of the information providing device.

The output unit 200 independently includes an interface for providing information to a user and an interface for providing information to others.

The output unit 200 is a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) display, a flexible display ( flexible display), a three-dimensional display (3D display), a transparent display, a head-up display (HUD), a touch screen, and a cluster (cluster) may be implemented as at least one or more.

The communication unit 210 is a component that communicates with an Intelligent Transport System (ITS). The communication unit 210 includes a short-range communication module, and may further include a wireless communication module and a wired communication module.

The communication unit 210 may receive the location of the information providing device 20 through communication with the intelligent transportation system, or may receive the location of the information providing device 20 through a GNSS, DGPS or CDGPS signal. Also, the communication unit 210 may estimate the location of the information providing apparatus 20 through short-range wireless network communication. Received signal strength indicator (RSSI), time of flight (ToF), time difference of arrival (TDoA), etc. may be used for position estimation.

The biosignal receiver 220 is a component that receives a user's biosignal. Here, the biosignal may include the user's brain wave information, blood flow information, blood pressure information, oxygen saturation, partial pressure of carbon dioxide, pulse, respiration rate, respiration rate, and the like.

The bio-signal receiver 220 transmits the user's bio-signals to the controller 240 so that the controller 240 can analyze the user's emotional state.

The impact sensor 230 is a component that detects an impact when the information providing device 20 collides. When the user wearing the information providing device 20 falls or collides, the shock sensing unit 230 notifies the control unit 240 of whether the shock is detected.

The control unit 240 generates the first information and the second information according to any one output mode of the normal mode, the safe mode, and the emotional mode, and outputs the first information to the user through the output unit 200, and the second It is a component that controls to output information to the outside of the information providing device.

The controller 240 according to an embodiment of the present invention may determine an output mode of the information providing apparatus 20 based on the location of the information providing apparatus 20 . Hereinafter, each mode will be described.

The normal mode is a mode in which traffic information is provided to the user for smooth driving of the PM, and advertisement information is provided to others for commercialization and profitability. According to an embodiment of the present invention, when the information providing apparatus 20 is located on a road, the controller 240 may determine the normal mode.

In the normal mode, the control unit 240 may estimate the location of the information providing device 20 through the communication unit 210 and receive traffic information and advertisement information from the intelligent transportation system.

Here, the traffic information includes at least one of a traffic flow, a traffic signal, a traffic sign, event information, and a navigation route. The event information refers to event information that abruptly disrupts the flow of traffic due to traffic control, drinking enforcement, or the like. Meanwhile, the advertisement information may include information on a commercial area designated by the intelligent transportation system, content information searched according to a user's interest level, and the like. That is, the advertisement information includes all information set in exchange for advertisement fees. According to an embodiment of the present invention, a portion of the advertisement fee may be paid to the user in exchange for providing advertisement information to others.

The controller 240 may generate a virtual map in which the estimated location of the information providing device 20 and traffic information are mapped as the first information, and may generate advertisement information as the second information. The output unit 200 provides the first information to the user and outputs the second information to the outside of the information providing device 20 .

On the other hand, the safety mode is a mode in which information about pedestrians, moving object information, and accident information is provided to the user for the safety of the user, and biometric information of the user is provided to others in order to prepare for an emergency situation. According to an embodiment of the present invention, when the information providing device 20 is located on a sidewalk, the controller 240 may determine the safe mode.

In the safe mode, the bio-signal receiver 220 receives a user's bio-signal, and the impact sensor 230 detects an impact. The controller 240 receives surrounding information including at least one of pedestrian information, moving object information, and accident information from the intelligent traffic system.

The controller 240 generates the surrounding information as the first information and generates the biosignal as the second information. The output unit 200 provides surrounding information to the user and outputs the user's biometric information to the outside or to others. Users can avoid collisions through surrounding information. Even if the user falls into an emergency state due to a collision, another person can quickly grasp the user's biometric information and perform emergency treatment.

According to an embodiment of the present invention, in the safe mode, the control unit 240 calculates a shock notification criterion based on at least one of the user's bio-signals and pre-stored bio-information, and the shock sensed by the shock sensing unit 230 . If this shock notification standard is exceeded, a warning message can be sent to the intelligent transportation system. When the roadside device included in the intelligent transportation system receives a warning message, it notifies the emergency center of a nearby hospital whether an accident has occurred. On the other hand, when the roadside device does not receive the warning message, an alternative warning message may be transmitted to the management server. In detail, even when the intelligent transportation system detects the impact of the information providing device using a sensing device such as a camera, if the roadside device does not receive a warning message, the roadside device generates an alternative warning message and transmits it to the management server instead. .

On the other hand, the shock notification standard may be set differently according to the user's age, gender, etc. specified according to the user's bio-signals and bio-information.

The emotional mode is a mode in which the emotional state of another is provided to the user for smooth communication and the emotional state of the user is provided to another person. According to an embodiment of the present invention, when the information providing apparatus 20 is located in a preset area, the controller 240 may determine the emotional mode.

In the emotional mode, the controller 240 may analyze the emotional state of the user based on the received bio-signal or pre-stored bio-information and receive the emotional state of the other person from the other person's terminal.

Here, the emotional state includes states such as joy, anger, love, sadness, pleasure, depression, and the like.

The controller 240 generates the emotional state of the other person as the first information and generates the emotional state of the user as the second information. The output unit 200 provides the emotional state of another person to the user, and provides the user's emotional state to the outside or another person. The user and the other person can communicate smoothly by understanding each other's emotional state in advance.

The controller 240 according to an embodiment of the present invention may determine the output mode of the information providing apparatus 20 based on the speed of the information providing apparatus 20 . In this case, the information providing apparatus 20 may further include a speed measuring unit (not shown) for measuring the speed.

3 is a diagram illustrating a configuration in which an output mode is determined based on a location of an information providing apparatus according to an embodiment of the present invention.

Referring to FIG. 3 , a road 300 , a sidewalk 310 , a preset area 320 , and a preset location 322 are shown.

Hereinafter, it will be described that a user wearing the information providing device can drive all of the road 300 , the sidewalk 310 , and the preset area 320 through PM.

According to an embodiment of the present invention, the information providing device determines the normal mode when it is located on the road 300 , determines the safe mode when it is located on the sidewalk 310 , and the emotional mode when it is located in the preset area 320 . can be decided with

The road 300 mainly refers to a road on which a vehicle travels. The PM may run smoothly on the road 300 compared to the sidewalk 310 . When the PM, that is, the information providing device is located on the road 300, traffic information may be provided to the user for smooth driving. On the other hand, advertisement information may be provided to others. The advertisement information, like advertisements attached to buses or taxis, the information providing device may provide advertisement information to others.

The sidewalk 310 mainly refers to a road on which pedestrians move. The PM needs to travel at a slower speed on the sidewalk 310 compared to the roadway 300 . When the information providing device is located on the sidewalk 310, the information providing device may provide surrounding information to the user to prevent collision. Specifically, the information providing device may provide the user with information on surrounding pedestrians, information on moving objects, and information on accidents. Here, the moving object information refers to mobility capable of moving the sidewalk 310 . Meanwhile, the information providing device may provide the user's biosignal in the sidewalk 310 . In case the user is in an emergency situation, this is to have others identify the user's biometric information and perform emergency treatment.

The preset area 320 means an area preset by the user. Specifically, the preset area 320 may be an area for exchanging emotional states between the user and others. For example, when the preset place 322 is the user's home, the preset area 320 may be an area around the house. When the user and the other person are family members, the user may identify the emotional state of the other person through the information providing device, and the other person may also understand the user's emotional state through the information providing device. Through this, the user of the information providing device and the other person can exchange smooth communication and emotions.

4A and 4B are diagrams for explaining a process of estimating an accurate location of an information providing apparatus according to an embodiment of the present invention.

The information providing apparatus according to an embodiment of the present invention may estimate its location by using a roadside device or a base station of an intelligent transportation system. In particular, the location of the information providing apparatus may be estimated based on the reference roadside apparatus or the reference base station. Specifically, the information providing device transmits the information received from the roadside devices to the management server, and the management server estimates the location of the information providing device and then transmits it to the information providing device.

Hereinafter, it is assumed that the user of the PM wears the information providing device, and the location of the PM is regarded as the location of the information providing device.

Referring to FIG. 4A , an actual location 400 of the information providing device, a plurality of roadside devices 410 , 420 , 430 , 440 , 450 , and an estimated location 452 of a fifth roadside device are illustrated. The plurality of roadside devices 410 , 420 , 430 , 440 , and 450 include auxiliary roadside devices 410 , 420 , 430 , 440 and a fifth roadside device 450 . The auxiliary roadside devices 410 , 420 , 430 , and 440 include a first roadside device 410 , a second roadside device 420 , a third roadside device 430 , and a fourth roadside device 440 . 4B, the estimated position 402 of the information providing device and the corrected position 404 of the information providing device are additionally illustrated.

Hereinafter, the fifth roadside device 250 will be described as a reference RSU for correcting the estimated position, but this is only one embodiment, and the reference roadside device includes the first roadside device 210 and the first roadside device. It may be implemented by one or more of the second roadside device 220 , the third roadside device 230 , or the fourth roadside device 240 . Meanwhile, the auxiliary roadside devices 210 , 220 , 230 , and 240 are only an exemplary embodiment, and may consist of at least three auxiliary roadside devices. It is assumed that the location coordinates of the plurality of roadside devices 210 , 220 , 230 , 240 and 250 are known in advance.

The fifth roadside device 450 receives the V2X message from the auxiliary roadside devices 410 , 420 , 430 , and 440 . The management server determines the fifth roadside device 450 based on at least one of the received signal strength of the V2X message received by the fifth roadside device 450 , the flight time, or the location of the auxiliary roadside devices 410 , 420 , 430 , 440 . ) can be estimated. The management server may derive the estimated location 452 of the fifth roadside apparatus 450 .

However, the actual location of the fifth roadside device 450 and the estimated location 452 may not match due to signal distortion due to weather or obstacles, errors in the roadside device, or the like. The management server may accurately derive the actual location 400 of the information providing apparatus by using an estimation error of the fifth roadside apparatus 450 based on the previously known actual location of the fifth roadside apparatus 450 .

In particular, the management server may accurately derive the actual location 400 of the information providing device by using the distance error rate, the distance error, and the location error.

을 산출한다. 관리 서버는 제5 노변 장치(450)의 실제 위치와 제1 노변 장치(410) 사이의 거리

을 더 산출한다. As a first embodiment, in order to use the distance error rate, the management server determines the estimated location 452 of the fifth roadside device based on at least one of the received signal strength or the flight time of the V2X message received by the fifth roadside device 450 . ) and the distance between the first roadside device 410

to calculate The management server determines the distance between the actual location of the fifth roadside device 450 and the first roadside device 410 .

to calculate more

과

사이의 오차율(이하, 제1 거리 오차율)을 계산한다. 구체적으로, 제1 거리 오차율은

에 대한

의 비율을 의미한다. 즉, 거리 오차율은 추정 거리에 대한 실제 거리를 의미한다. 추가적으로, 관리 서버는 제2 노변 장치(420), 제3 노변 장치(430) 및 제4 노변 장치(440)에 대해 제2 거리 오차율, 제3 거리 오차율 및 제4 거리 오차율 각각을 계산할 수 있다.management server

class

An error rate between them (hereinafter, a first distance error rate) is calculated. Specifically, the first distance error rate is

for

means the ratio of That is, the distance error rate means the actual distance to the estimated distance. Additionally, the management server may calculate a second distance error rate, a third distance error rate, and a fourth distance error rate for the second roadside device 420 , the third roadside device 430 , and the fourth roadside device 440 , respectively.

Referring to FIG. 4B , the management server may derive the corrected position 404 of the information providing apparatus by correcting the estimated position 402 of the information providing apparatus using the distance error rate.

이다. Specifically, the information providing device receives the V2X message from the auxiliary roadside devices (410, 420, 430, 440). The management server based on at least one of the received signal strength of the V2X message received by the information providing device, the flight time, or the location of the auxiliary roadside devices (410, 420, 430, 440) the estimated location 402 of the information providing device can be estimated In detail, the management server triangulates using the location of at least three of the auxiliary roadside devices (410, 420, 430, 440), the received signal strength of the V2X message received from the three roadside devices, and the flight time, An estimated position 402 of the information providing device is calculated. In this case, the distances between the estimated location 402 of the information providing device and the auxiliary roadside devices 410 , 420 , 430 , and 440 are respectively

am.

에

을 곱함으로써,

을 구할 수 있다. 추가적으로, 관리 서버는

를 더 구할 수 있다.The management server may obtain corrected distances by multiplying the distance between the estimated location 402 of the information providing device and the auxiliary roadside devices 410 , 420 , 430 , and 440 by a distance error rate. For example, the management server

to

By multiplying by

can be obtained Additionally, the management server

more can be obtained.

The distance between the corrected position 404 of the information providing device and the auxiliary roadside devices 410 , 420 , 430 , and 440 may be expressed as Equation 1 .

은 정보 제공 장치의 보정된 위치(404)와 보조 노변 장치들(410, 420, 430, 440) 간 거리다.

은 정보 제공 장치의 추정 위치(402)와 보조 노변 장치들(410, 420, 430, 440) 간 거리다. d는 제5 노변 장치의 추정 위치(452)와 보조 노변 장치들(410, 420, 430, 440) 간 거리다. d'은 제5 노변 장치(450)의 실제 위치와 보조 노변 장치들(410, 420, 430, 440) 간 거리다.in Equation 1

is the distance between the calibrated position 404 of the information providing device and the auxiliary roadside devices 410 , 420 , 430 , 440 .

is the distance between the estimated location 402 of the information providing device and the auxiliary roadside devices 410 , 420 , 430 , and 440 . d is the distance between the estimated position 452 of the fifth roadside device and the auxiliary roadside devices 410 , 420 , 430 , 440 . d' is the distance between the actual location of the fifth roadside device 450 and the auxiliary roadside devices 410 , 420 , 430 , and 440 .

중 적어도 세 개에 기초하여 삼각 측량을 통하여 정보 제공 장치의 보정된 위치(404)를 산출할 수 있다. 제5 노변 장치(450)와 보조 노변 장치들(410, 420, 430, 440) 간 실제 거리와 추정 거리의 오차를 정보 제공 장치의 추정 위치(402)에 반영하였기 때문에, 정보 제공 장치의 보정된 위치(404)는 정보 제공 장치의 추정 위치(402)보다 정보 제공 장치의 실제 위치(400)와 더 가깝다. management server

It is possible to calculate the corrected position 404 of the information providing device through triangulation based on at least three of them. Since the error between the actual distance and the estimated distance between the fifth roadside device 450 and the auxiliary roadside devices 410 , 420 , 430 , and 440 is reflected in the estimated location 402 of the information providing device, the corrected The location 404 is closer to the actual location 400 of the information providing device than the estimated location 402 of the information providing device.

The management server according to an embodiment of the present invention may correct the estimated position 402 of the information providing device by using an error rate for one of the received signal strength or the flight time instead of the distance.

과

사이의 오차(이하, 제1 거리 오차)를 계산한다. 구체적으로, 제1 거리 오차는

에서

을 뺀 값을 의미한다. 추가적으로, 관리 서버는 제2 노변 장치(420), 제3 노변 장치(430) 및 제4 노변 장치(440)에 대해 제2 거리 오차, 제3 거리 오차 및 제4 거리 오차 각각을 계산할 수 있다.As a second embodiment, in order to use the distance error, the management server

class

An error between the two (hereinafter, a first distance error) is calculated. Specifically, the first distance error is

at

means minus the Additionally, the management server may calculate each of the second distance error, the third distance error, and the fourth distance error for the second roadside device 420 , the third roadside device 430 , and the fourth roadside device 440 .

Referring to FIG. 4B , the management server may derive the corrected position 404 of the information providing apparatus by correcting the estimated position 402 of the information providing apparatus using the distance error.

이다.Specifically, the information providing device receives the V2X message from the auxiliary roadside devices (410, 420, 430, 440). The management server estimates the information providing device based on at least one of the received signal strength of the V2X message received by the information providing device, the flight time, or the location of the auxiliary roadside devices (410, 420, 430, 440) included in the V2X message A location 402 may be estimated. In this case, the distances between the estimated location 402 of the information providing device and the auxiliary roadside devices 410 , 420 , 430 , and 440 are respectively

am.

에

을 더함으로써,

을 구할 수 있다. 추가적으로, 관리 서버는

를 더 구할 수 있다.The management server may obtain corrected distances by adding a distance error to the distance between the estimated location 402 of the information providing device and the auxiliary roadside devices 410 , 420 , 430 , 440 . For example, the management server

to

By adding

can be obtained Additionally, the management server

more can be obtained.

The distance between the corrected position 404 of the information providing device and the auxiliary roadside devices 410, 420, 430, and 440 may be expressed as Equation (2).

중 적어도 세 개에 기초하여 삼각 측량을 통하여 정보 제공 장치의 보정된 위치(404)를 산출할 수 있다. 제5 노변 장치(450)와 보조 노변 장치들(410, 420, 430, 440) 간 실제 거리와 추정 거리의 오차를 정보 제공 장치의 추정 위치(402)에 반영하였기 때문에, 정보 제공 장치의 보정된 위치(404)는 정보 제공 장치의 추정 위치(402)보다 정보 제공 장치의 실제 위치(400)와 더 가깝다. management server

It is possible to calculate the corrected position 404 of the information providing device through triangulation based on at least three of them. Since the error between the actual distance and the estimated distance between the fifth roadside device 450 and the auxiliary roadside devices 410 , 420 , 430 , and 440 is reflected in the estimated location 402 of the information providing device, the corrected The location 404 is closer to the actual location 400 of the information providing device than the estimated location 402 of the information providing device.

The management server according to an embodiment of the present invention may correct the estimated position 402 of the information providing device by using an error for one of the received signal strength or the flight time instead of the distance.

As a third embodiment, in order to use the position error, the management server calculates a difference (hereinafter, referred to as a position error) between the actual position of the fifth roadside device 450 and the estimated position 452 of the fifth roadside device. Here, the position may mean two-dimensional position coordinates or three-dimensional position coordinates. The position error is calculated by calculation for each dimension.

After estimating the estimated position 402 of the information providing apparatus, the management server corrects the estimated position 402 of the information providing apparatus by a position error with respect to the fifth roadside apparatus 450, thereby estimating the corrected position 404 of the information providing apparatus. ) can be derived.

On the other hand, the management server provides at least one of the received signal strength of the V2X message received by the fifth roadside device 450, the flight time, or the location of the auxiliary roadside devices 410, 420, 430, 440 included in the V2X message. 5 may be received from the roadside device 450 . In addition, the management server receives at least one of the location of the auxiliary roadside devices (410, 420, 430, 440) included in the received signal strength, flight time, or V2X message of the V2X message received by the information providing device from the information providing device can do.

The management server may calculate in real time the distance error rate, distance error, and position error between the fifth roadside device 450 and the auxiliary roadside devices 410 , 420 , 430 , and 440 , or may calculate and store it in advance. Also, the management server may receive error information previously calculated by the fifth roadside device 450 from the fifth roadside device 450 .

Through the above three error correction, the management server can derive the exact location of the information providing device.

5 is a flowchart illustrating a method of controlling an information providing apparatus according to an embodiment of the present invention.

Referring to FIG. 5 , the information providing device estimates the location of the information providing device ( S500 ).

According to an embodiment of the present invention, the information providing device may receive a location through communication with an intelligent transportation system, or may receive a location through a GNSS signal. Also, the information providing device may estimate the location through short-range wireless network communication.

The information providing device determines the output mode based on the location of the information providing device (S502).

According to an embodiment of the present invention, the output mode is determined as the normal mode when the information providing device is located on the roadway, the safe mode when the information providing device is located on the sidewalk, and when the information providing device is located in a preset area It may be determined as an emotional mode.

The information providing apparatus generates the first information and the second information according to an output mode that is any one of a normal mode, a safe mode, and an emotional mode (S504).

When the information providing device determines that the output mode is the normal mode, the information providing device receives traffic information and advertisement information from the intelligent transportation system, generates a virtual map in which the estimated location and the traffic information are mapped, as first information, and advertisement information is generated as the second information. Here, the traffic information may include at least one of a traffic flow, a traffic signal, a traffic sign, event information, and a navigation route.

When the information providing device determines that the output mode is the safe mode, the information providing device receives surrounding information including at least one of pedestrian information, moving object information, and accident information from the intelligent traffic system, and generates the surrounding information as first information, A biosignal is generated as the second information.

When the information providing device determines that the output mode is the emotional mode, the emotional state of the user is analyzed based on the biosignal, the emotional state of the other person is received from the terminal of the other person, the emotional state of the other person is generated as first information, and the user of the emotional state as the second information.

The information providing apparatus outputs the first information to the user and outputs the second information to the outside of the information providing apparatus (S506).

According to an embodiment of the present invention, in the safety mode, the information providing device calculates a shock notification criterion based on at least one of the user's bio-signal and pre-stored bio-information, detects the shock, and the detected shock is the shock notification criterion If it exceeds, a warning message can be sent to the intelligent transportation system. In this case, when the roadside device included in the intelligent transportation system does not receive the warning message, it may transmit an alternative warning message to the management server instead.

Although it is described in FIG. 5 as sequentially executing steps S500 to S506, this is merely illustrative of the technical idea of an embodiment of the present invention. In other words, one of ordinary skill in the art to which an embodiment of the present invention pertains may change the order described in FIG. Since the above process may be variously modified and modified to be applied in parallel, FIG. 5 is not limited to a time-series sequence.

Meanwhile, the processes illustrated in FIG. 5 can be implemented as computer-readable codes on a computer-readable recording medium. The computer-readable recording medium includes all types of recording devices in which data readable by a computer system is stored. That is, the computer-readable recording medium may be a non-transitory medium such as a ROM, RAM, CD-ROM, magnetic tape, floppy disk, or optical data storage device. In addition, the computer-readable recording medium is distributed in a network-connected computer system so that the computer-readable code can be stored and executed in a distributed manner.

In addition, the components of the present invention may use an integrated circuit structure such as a memory, a processor, a logic circuit, a look-up table, and the like. This integrated circuit structure implements each of the functions described herein through the control of one or more microprocessors or other control devices. In addition, the components of the present invention may be specifically implemented by a part of a program or code including one or more executable instructions for performing a specific logical function and executed by one or more microprocessors or other control devices. In addition, the components of the present invention may include or be implemented by a central processing unit (CPU), a microprocessor, etc. that perform respective functions. In addition, the components of the present invention may store instructions executed by one or more processors in one or more memories.

The above description is merely illustrative of the technical idea of this embodiment, and a person skilled in the art to which this embodiment belongs may make various modifications and variations without departing from the essential characteristics of the present embodiment. Accordingly, the present embodiments are intended to explain rather than limit the technical spirit of the present embodiment, and the scope of the technical spirit of the present embodiment is not limited by these embodiments. The protection scope of this embodiment should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present embodiment.

200: output unit 210: communication unit
220: biosignal receiving unit 230: impact sensing unit
240: control unit

Claims (19)

an output unit for outputting information of the information providing device; and
Generates first information and second information according to any one output mode of a normal mode, a safe mode, and an emotional mode, outputs the first information to the user through the output unit, and provides the second information to the information providing device Control unit to control output to the outside
An information providing device comprising a. According to claim 1,
The control unit is
and determining the output mode based on a location of the information providing device. 3. The method of claim 2,
The control unit is
When the information providing device is located on a road, it is determined as a normal mode, when the information providing device is located on a sidewalk, it is determined as a safe mode, and when the information providing device is located in a preset area, it is determined as an emotional mode An information providing device that determines. According to claim 1,
Further comprising a communication unit to communicate with the intelligent transport system (Intelligent Transport System; ITS),
The control unit is
When the output mode is determined to be the normal mode, the location of the information providing device is estimated, traffic information and advertisement information are received from the intelligent traffic system, and a virtual map to which the estimated location and the traffic information are mapped is used as the first information. and generating the advertisement information as the second information. 5. The method of claim 4,
The traffic information is
An information providing device comprising at least one of a traffic flow, a traffic signal, a traffic sign, event information, and a navigation route. According to claim 1,
Further comprising a biosignal receiver for receiving the user's biosignal,
The control unit is
When the output mode is determined to be the safety mode, surrounding information including at least one of pedestrian information, moving object information, and accident information is received from the intelligent traffic system, the surrounding information is generated as the first information, and the biosignal is generated by the An information providing device that is generated from the second information. According to claim 1,
Further comprising a bio-signal receiving unit for receiving the user's bio-signal and a shock sensing unit for detecting an impact,
The control unit is
When the output mode is determined as the safety mode, the shock notification criterion is calculated based on at least one of the user's biosignal and pre-stored biometric information, and the shock detected by the shock sensor exceeds the shock notification criterion In this case, an information providing device that transmits a warning message to the intelligent transportation system. 8. The method of claim 7,
The intelligent transportation system includes a roadside device,
The roadside device is
If the warning message is not received, the information providing device that transmits an alternative warning message to the management server. According to claim 1,
Further comprising a biosignal receiver for receiving the user's biosignal,
The control unit is
When the output mode is determined as the emotional mode, the emotional state of the user is analyzed based on the biosignal, the emotional state of the other person is received from the terminal of the other person, and the emotional state of the other person is generated as the first information; , an information providing device that generates the emotional state of the user as the second information. According to claim 1,
The information providing apparatus is an information providing apparatus, characterized in that any one of a terminal, a smart phone, a wearable device, and a helmet. generating first information and second information according to an output mode that is any one of a normal mode, a safe mode, and an emotional mode; and
The process of outputting the first information to the user and outputting the second information to the outside of the information providing device
A method of operating an information providing device comprising a. 12. The method of claim 11,
The process of determining the output mode based on the location of the information providing device
Operating method of the information providing device further comprising a. 13. The method of claim 12,
The decision process is
Information providing is a process of determining the normal mode when the information providing device is located in the roadway, determining the safe mode when the information providing device is located on the sidewalk, and determining the emotional mode when the information providing device is located in a preset area How the device works. 12. The method of claim 11,
When the output mode is determined to be the normal mode, the process of generating the first information and the second information includes:
estimating the location of the information providing device;
receiving traffic information and advertisement information from the intelligent traffic system; and
A process of generating a virtual map in which an estimated location and the traffic information are mapped as the first information, and generating the advertisement information as the second information
A method of operating an information providing device comprising a. 15. The method of claim 14,
The traffic information is
A method of operating an information providing device, comprising at least one of a traffic flow, a traffic light signal, a sign, event information, and a navigation route. 12. The method of claim 11,
When the output mode is determined to be the safe mode, the process of generating the first information and the second information includes:
receiving a user's biosignal;
Receiving peripheral information including at least one of accident information, pedestrian information, and moving object information from the intelligent traffic system; and
The process of generating the surrounding information as the first information and generating the biosignal as the second information
A method of operating an information providing device comprising a. 12. The method of claim 11,
When the output mode is determined to be the safe mode
receiving a user's biosignal;
calculating a shock notification criterion based on at least one of the user's bio-signals and pre-stored bio-information;
detecting an impact applied to the information providing device; and
The process of transmitting a warning message to the intelligent transportation system when the detected shock exceeds the shock notification standard
Operating method of the information providing device further comprising a. 18. The method of claim 17,
The intelligent transportation system includes a roadside device,
The roadside device is
If the warning message is not received, the information providing device that transmits an alternative warning message to the management server. 12. The method of claim 11,
When the output mode is determined as the emotional mode, the process of generating the first information and the second information,
receiving a user's biosignal;
analyzing the emotional state of the user based on the biosignal;
receiving the emotional state of the other person from the other's terminal; and
The process of generating the emotional state of the other person as the first information and generating the emotional state of the user as the second information
A method of operating an information providing device comprising a.

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