KR20170055724A - Method of informing of dangerous situation between vehicles - Google Patents

Method of informing of dangerous situation between vehicles Download PDF

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Publication number
KR20170055724A
KR20170055724A KR1020150158839A KR20150158839A KR20170055724A KR 20170055724 A KR20170055724 A KR 20170055724A KR 1020150158839 A KR1020150158839 A KR 1020150158839A KR 20150158839 A KR20150158839 A KR 20150158839A KR 20170055724 A KR20170055724 A KR 20170055724A
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KR
South Korea
Prior art keywords
vehicle
module
voice
text
inter
Prior art date
Application number
KR1020150158839A
Other languages
Korean (ko)
Inventor
김도한
Original Assignee
리모트솔루션주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 리모트솔루션주식회사 filed Critical 리모트솔루션주식회사
Priority to KR1020150158839A priority Critical patent/KR20170055724A/en
Publication of KR20170055724A publication Critical patent/KR20170055724A/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143—Alarm means

Abstract

Disclosed is a method for alerting a dangerous situation between cars, comprising: a step wherein a front camera module of automobile films the front of an automobile and a rear camera module of automobile films the rear of the automobile; a step wherein a car number recognition module recognizes the car number of an automobile on the front side within a front side video which is filmed by the front camera module of automobile, and the car number of an automobile on the rear side within a rear side video which is filmed by the rear camera module of automobile; a step wherein an inter-automobile communications module performs a connection of communications with a terminal on either one of the automobile selected by a user, among the automobiles with the car numbers on the front and rear sides as recognized above; a step wherein a text or voice through a microphone is input by a touch-screen module, in order to alert the selected automobile of a dangerous situation; a step wherein a control module transmits the text or voice input through microphone by the touch-screen module to the automobile which is connected via the inter-automobile communications modules, while also receiving the text and voice from the same; a step wherein the control module outputs the text or voice received by the inter-automobile communications module through the touch-screen module or a speaker; and a step wherein the control module stores the text or voice being transmitted or received via the inter-automobile communications module on a voice/text storing module. The purpose of the present invention is to provide a method for alerting a dangerous situation between cars.

Description

{METHOD OF INFORMING OF DANGEROUS SITUATION BETWEEN VEHICLES}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a risk state notification method, and more particularly, to a risk state notification method between a vehicle and a vehicle.

BACKGROUND ART [0002] Conventionally, a technology for detecting a risk of a vehicle by itself due to development of a sensor technology of a vehicle has been developed. However, there is still a limit to the possibility of sensing the danger by these sensors, and there are many vehicles that do not have such sensors.

There are many cases where the driver continues to drive the road without knowing the danger of his or her vehicle. For example, when a tire puncture occurs, there are many cases that it travels for a considerable time without knowing it, and it becomes very dangerous when entering the expressway.

Sometimes they keep on running without knowing the smoke, fire, car fire caused by door opening, brake overheating. The larger the size of a vehicle such as a truck or a lorry, the more difficult it is to detect such a risk. There may be various dangerous situations such as fire or smoke of cargo, opening of the back of cargo compartment, dropping cargo.

When the driver does not recognize the danger of his / her vehicle, the driver usually notifies the driver of the surrounding vehicle or informs the driver of the warning by opening the window. However, it is not easy for nearby vehicles to notify the danger. Especially, it is more difficult at high speed driving.

Patent Publication No. 10-2012-0062343 discloses a technique for notifying a danger in such a nearby vehicle. However, in the above literature, it is a degree to inform the surrounding vehicles of the danger by arbitrarily using the frequently used disaster broadcast band. In addition, the risk here is to notify the unspecified vehicles around the general danger situation such as the occurrence of the accident in the front or the loss of the road, and it does not inform the specific vehicle about the danger situation of the specific vehicle.

10-2012-0062343

It is an object of the present invention to provide a method of notifying a dangerous situation between a vehicle and a vehicle.

According to another aspect of the present invention, there is provided a vehicle-to-vehicle risk event notification method comprising: capturing a forward image of a vehicle by a vehicle front camera module and photographing a rear image of the vehicle by a vehicle rearview module; Recognizing the vehicle number of the vehicle in the front image captured by the vehicle front camera module and the vehicle number of the rear vehicle in the rear image captured by the vehicle rearview camera module; The inter-vehicle communication module performing a communication connection to the terminal of the vehicle number selected by the user among the recognized vehicle number of the preceding vehicle or the vehicle number of the rear vehicle; Receiving a text by a touch screen module or inputting a voice by a microphone to inform a dangerous situation of the front vehicle or the rear vehicle; The control module transmits the text input by the touch screen module or the voice input by the microphone to the terminal of the front vehicle or the rear vehicle communicatively connected by the inter-vehicle communication module, ; The control module outputting text or voice received by the inter-vehicle communication module through the touch screen module or the speaker; And storing the text or voice transmitted or received by the intervehicle communication module in the voice / text storage module by the control module.

Here, the inter-vehicular communication module may perform the communication connection to the terminal of the vehicle number selected by the user out of the recognized vehicle number of the preceding vehicle or the vehicle number of the rear vehicle, And to perform a communication connection through the mobile communication network using the transmitted vehicle number.

According to another aspect of the present invention, there is provided a method of notifying a dangerous situation between a vehicle and a vehicle, the method comprising the steps of: communicating with a vehicle through a communication module of a front vehicle or a rear vehicle; Receiving the text or voice from the terminals of the front vehicle or the rear vehicle connected to the communication; The control module outputting text or voice received by the inter-vehicle communication module through the touch screen module or the speaker; Receiving a text by a touch screen module or receiving a voice by a microphone; Transmitting the text input by the touch screen module or the voice inputted by the microphone to the terminal of the front vehicle or the rear vehicle communicated by the inter-vehicle communication module; And storing the text or voice transmitted or received by the intervehicle communication module in the voice / text storage module by the control module.

In this case, the inter-vehicular communication module may request a communication connection from a terminal of a preceding vehicle or a rear vehicle to perform a communication connection, the inter-vehicular communication module may communicate with the terminal through a mobile communication network Connection. ≪ / RTI >

According to the above-described vehicle-to-vehicle risk-situation notification method, a dangerous situation of another vehicle is informed in real time through one-to-one communication between the vehicle and the vehicle, and the dangerous situation of the own vehicle is informed in real time , Fire, smoke, tire puncture, etc., in real time, and safety can be achieved.

FIG. 1 is a block diagram of a vehicle-to-vehicle dangerous situation notification device according to an embodiment of the present invention.
2 is a flowchart of a method of notifying a dangerous situation between a vehicle and a vehicle according to an embodiment of the present invention.
3 is a flowchart of a method of notifying a dangerous situation between a vehicle and a vehicle according to another embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail to the concrete inventive concept. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

The terms first, second, A, B, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a vehicle-to-vehicle dangerous situation notification device according to an embodiment of the present invention.

Referring to FIG. 1, the vehicle-to-vehicle risk warning device 100 according to an embodiment of the present invention includes a vehicle front camera module 110, a vehicle rear camera module 120, a car number recognition module 130, Vehicle communication module 140, a touchscreen module 150, a microphone 160, a speaker 170, a control module 180, and a voice / text storage module 190 .

The vehicle-to-vehicle dangerous situation notification device 100 is configured to directly inform a dangerous situation about a nearby vehicle traveling through short-range communication, and is configured to receive a dangerous situation directly from other nearby vehicles. Can be configured to communicate with each other in voice or text via a one-to-one communication connection, so that the dangerous situation can be directly informed to the vehicles in front of and behind the vehicle in detail.

The dangerous situation notification device 100 between the vehicle and the vehicle may be installed in a vehicle as a separate terminal or may be configured to implement the function in a blackbox terminal. In another embodiment, the application may be configured as an application on a user's smartphone.

When the function is implemented in the smartphone of the user, the vehicle front camera module 110 and the rear vehicle camera module 120 may be cameras mounted on a smart phone or a camera separately mounted on the vehicle. When a separately mounted camera is used, modules other than the vehicle front camera module 110 and the vehicle rear camera module 120 may be implemented in a smart phone.

Hereinafter, the detailed configuration will be described.

The vehicle front camera module 110 can be configured to photograph the front of the vehicle under running. Only the front vehicle on the same lane can be photographed, and the photographing angle can be widened so that the vehicle of another lane can be photographed.

The vehicle rear camera module 120 may be configured to photograph the rear of the vehicle under running. Likewise, only the rear vehicle on the same lane can be photographed, or the photographing angle can be widened so that the vehicle of another lane can be photographed.

The vehicle front camera module 110 may use the camera of the black box terminal or the smart phone as it is, but it is preferable that the vehicle rear camera module 120 is separately installed outside the rear end of the vehicle. In this case, the rear image may be configured to be transmitted in real time to a black box terminal or a smart phone by wire or wireless.

The car number recognition module 130 can be configured to recognize the car license plate in the vehicle front image and the car rear image and recognize the car number of the license plate.

A variety of image recognition algorithms can be used for recognizing license plates and recognizing vehicle numbers. In the case where only the front lane or the rear lane on the same lane is photographed, one vehicle number is recognized, but when the vehicle angle is wide and the vehicle number of various vehicles is recognized, the user directly touches the license plate on the touch screen module 130 And designating the recognition target in a recognizable manner.

The intervehicle communication module 140 may be configured to communicate with the terminal 20 of the front vehicle or the rear vehicle. The inter-vehicle communication module 140 may be configured to perform 3G (3 rd generation) or 4G (4 th generation) communication, and may be configured to perform mutual communication using the vehicle number registered in advance in the server 10 . That is, the inter-vehicle communication module 140 tries to make a communication connection using the vehicle number of the forward or backward vehicle desired to communicate, and the server 10 forms a mutual session using the vehicle number .

The touch screen module 150 displays the forward and backward images and may be configured to receive user commands. Also, it can be configured to display text or to receive input from a user, which interchanges with a front vehicle or a rear vehicle connected to the communication.

The microphone 160 may be configured to receive a user's voice. It is possible to receive a voice for communication with another vehicle.

The user can specifically inform the driver of a dangerous situation such as a tire of a front vehicle or a rear vehicle is punctured or smoke or a load is falling off.

The speaker 170 may be configured to output a dangerous situation informed by another vehicle. It may be a user voice of another vehicle or a predetermined alarm sound.

The control module 180 controls the above-mentioned modules. Vehicle communication module 140 to perform communication using the vehicle number recognized by the vehicle number recognition module 130. The inter- The control module 180 may perform control according to a command input by the user.

On the other hand, the control module 180 may display a predetermined dangerous condition statement on the touch screen module 150, select and input a user's input, and transmit the selected dangerous condition statement through the inter-vehicle communication module 140. For example, when a predetermined phrase such as 'smoke is emitted from a car' or 'a puncture occurred in a rear right tire' is selected, text transmission may be performed immediately or a pre-recorded voice may be transmitted.

The voice or text transmitted and received via the inter-vehicle communication module 140 may be stored in the voice / text storage module 190 by the control module 180. These voices and texts can be read later and can be used as evidence for legal action if the other person's profanity or criticism is stored.

2 is a flowchart of a method of notifying a dangerous situation between a vehicle and a vehicle according to an embodiment of the present invention.

Referring to FIG. 2, an algorithm for notifying a dangerous situation of a forward vehicle or a rearward vehicle in a user's vehicle is disclosed. Hereinafter, the detailed configuration will be described.

First, the vehicle front-side camera module 110 photographs the front side image of the vehicle, and the rear side camera module photographs the rear side image of the vehicle (S101). Shooting in real time while driving

Next, the vehicle number recognition module 130 recognizes the vehicle number of the preceding vehicle in the forward image photographed by the vehicle front camera module 110 and recognizes the vehicle number of the rear vehicle in the rear image photographed by the vehicle rear camera module 120 The vehicle number is recognized (S102).

The forward vehicle and the rearward vehicle

Next, the inter-vehicle communication module 140 performs communication connection to the terminal 20 of the vehicle number selected by the user from the recognized vehicle number of the preceding vehicle or the vehicle number of the rear vehicle (S103).

At this time, the inter-vehicle communication module 140 may be configured to perform communication connection through the mobile communication network using the vehicle number registered in advance in the server 10. Vehicle communication module 140 transmits the vehicle number of the vehicle and the vehicle number of the other party to the server 10 and the server 10 uses the information registered in advance as a pair of the vehicle number and the telephone number, And performs session connection to the server.

Next, in order to inform a dangerous situation of the front vehicle or the rear vehicle, text is inputted by the touch screen module 150 or voice is input by the microphone 160 (S104). At this time, the touch screen module 150 may be configured to display a danger state notification phrase or a dangerous situation notification voice that is registered in advance. The user may be configured to select and transmit a pre-registered dangerous situation notification message or a dangerous situation notification message without directly inputting voice or text.

Next, the control module 180 transmits the text input by the touch screen module 150 or the voice input by the microphone 160 to the terminals of the front vehicle or the rear vehicle connected by the inter-vehicle communication module 140 And receives the text or voice by the inter-vehicle communication module 140 (S105). Voice communication or text exchange can be freely carried out by mutual vehicle communication module 140. [

Next, the control module 180 outputs the text or voice received by the inter-vehicle communication module 140 through the touch screen module 150 or the speaker 160 (S106).

Next, the control module 180 stores the text or voice transmitted or received by the inter-vehicle communication module 140 in the voice / text storage module 190 (S107). These texts and voices can be used as evidence for the other's abuse or reproach, and they can be recorded as evidence of the other's risk situation.

The present invention is not intended to be used for abuse or criticism of the other party, but to inform the other party of the risk in real time and to promote mutual safe driving.

3 is a flowchart of a method of notifying a dangerous situation between a vehicle and a vehicle according to another embodiment of the present invention.

Referring to FIG. 3, an algorithm for receiving and outputting a dangerous situation informed by a front vehicle or a rear vehicle is disclosed. Hereinafter, the detailed configuration will be described.

First, the inter-vehicular communication module 140 requests a communication connection from the terminal 20 of the front vehicle or the rear vehicle to perform a communication connection (S201).

At this time, the inter-vehicle communication module 140 may be configured to perform a communication connection through the mobile communication network by the vehicle number registered in advance in the server 10. [

Next, the inter-vehicle communication module 140 receives text or voice from the terminal 20 of the front vehicle or the rear vehicle to which the inter-vehicle communication module 140 is connected (S202). At this time, text or voice inputted directly by the other party may be received, and a pre-registered risk situation notification message or a dangerous situation notification voice may be received.

Next, the control module 180 outputs the text or voice received by the inter-vehicle communication module 140 through the touch screen module 150 or the speaker 170 (S203).

Next, text is inputted by the touch screen module 150 or voice is input by the microphone 160 (S204).

Next, the control module 180 transmits the text input by the touch screen module 150 or the voice input by the microphone 160 to the terminals of the front vehicle or the rear vehicle communicably connected by the inter-vehicle communication module 140 20 (S205).

Next, the control module 180 stores the text or voice transmitted or received by the inter-vehicle communication module 140 in the voice / text storage module 190 (S206). These texts and voices can be used as evidence for the other's abuse or reproach, and they can be recorded as evidence of the other's risk situation.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the following claims. There will be.

110: Vehicle front camera module
120: vehicle rear camera module
130: car number recognition module
140: Inter-vehicle communication module
150: Touch screen module
160: microphone
170: Speaker
180: Control module
190: voice / text storage module

Claims (4)

The vehicle front camera module 110 photographs a forward image of the vehicle and the vehicle rear camera module 120 photographs a rear image of the vehicle;
The car number recognition module 130 recognizes the car number of the preceding vehicle in the front image photographed by the car front camera module 110 and the car number of the rear car in the rear image photographed by the car rear camera module 120 Recognizing;
Vehicle communication module 140 performs a communication connection to the terminal of the vehicle number selected by the user from among the vehicle number of the recognized front vehicle or the vehicle number of the rear vehicle;
Receiving a text by a touch screen module 150 or receiving a voice by a microphone 160 to inform a dangerous situation of the front vehicle or a rear vehicle;
The control module 180 transmits the text input by the touch screen module 150 or the voice inputted by the microphone 160 to the terminals of the front vehicle or the rear vehicle communicated by the inter- 20) and receiving text or voice by the inter-vehicle communication module (140);
Outputting the text or voice received by the inter-vehicle communication module 140 through the touch screen module 150 or the speaker 160 by the control module 180;
And storing the text or voice transmitted or received by the inter-vehicle communication module (140) in the voice / text storage module (190) by the control module (180).
The method of claim 1, wherein the inter-vehicle communication module (140) performs a communication connection to a terminal of a vehicle number selected by a user from among the vehicle number of the recognized front vehicle or the vehicle number of the rear vehicle,
And the inter-vehicle communication module (140) is configured to perform a communication connection through the mobile communication network using the vehicle number registered in advance in the server (10).
The inter-vehicle communication module 140 requests a communication connection from the terminal 20 of the front vehicle or the rear vehicle to perform a communication connection;
The intervehicle communication module 140 receiving text or voice from a terminal of the front vehicle or the rear vehicle connected to the communication;
Outputting the text or voice received by the inter-vehicle communication module 140 through the touch screen module 150 or the speaker 170 by the control module 180;
Receiving text by the touch screen module 150 or receiving voice by the microphone 160;
The control module 180 transmits the text input by the touch screen module 150 or the voice input by the microphone 160 to the front or rear vehicle (20);
And storing the text or voice transmitted or received by the inter-vehicle communication module (140) in the voice / text storage module (190) by the control module (180).
4. The method of claim 3, wherein the inter-vehicular communication module (140) requests a communication connection from a terminal (20) of a front vehicle or a rear vehicle to perform a communication connection,
Wherein the inter-vehicle communication module (140) is configured to perform a communication connection through a mobile communication network by a vehicle number previously registered in the server (10).
KR1020150158839A 2015-11-12 2015-11-12 Method of informing of dangerous situation between vehicles KR20170055724A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10899346B2 (en) 2018-02-20 2021-01-26 Hyundai Motor Company Vehicle and control method thereof
KR20220080358A (en) * 2020-12-07 2022-06-14 주식회사 온워즈 Chatbot system and the operation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10899346B2 (en) 2018-02-20 2021-01-26 Hyundai Motor Company Vehicle and control method thereof
KR20220080358A (en) * 2020-12-07 2022-06-14 주식회사 온워즈 Chatbot system and the operation method

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