WO2022270891A1

WO2022270891A1 - User-recognizable wearable smart key system

Info

Publication number: WO2022270891A1
Application number: PCT/KR2022/008837
Authority: WO
Inventors: 백우민
Original assignee: ㈜에스엔디글로벌
Priority date: 2021-06-23
Filing date: 2022-06-22
Publication date: 2022-12-29
Also published as: CN117355450A; KR102301508B1

Abstract

A user-recognizable wearable smart key system comprises: a first sensor unit disposed in a vehicle so as to detect the state of the vehicle; a second sensor unit disposed in a smart key interlocked with the vehicle, so as to detect the state of a user; a data storage unit disposed in the vehicle so as to store first sensor data including the state of the user detected by the first sensor unit; a first communication unit disposed in the vehicle so as to transmit the stored first sensor data to the smart key; a data generating unit disposed in the smart key, wherein the data generating unit uses the first sensor data so as to determine whether there has been an attempt to steal the vehicle, whether there is an abnormality in the power state, and whether there is an abnormality in a charging device, uses second sensor data including the state of the user detected by the second sensor unit so as to determine whether the user is in a state in which the user cannot drive, and generates a vehicle control signal for controlling the vehicle; a second communication unit disposed in the smart key so as to transmit the vehicle control signal to the vehicle; a vehicle control module disposed in the vehicle so as to control the vehicle according to the vehicle control signal; and a display unit disposed in the smart key so as to display the determined states of the vehicle and the user including the first sensor data and the second sensor data.

Description

User Recognition Wearable Smart Key System

The present invention relates to a user-recognizing wearable smart key system, and more specifically, to a user-recognizing wearable smart key system capable of preventing accidents of a vehicle and a user by detecting states of a vehicle and a user.

A wearable device is a small and lightweight electronic device developed to be wearable on the body or clothing so that the user can freely use it during movement or activity, and is used in various fields such as fitness, medical care, and healthcare.

Meanwhile, when considering portability, a wearable device can be used as a device that replaces a smart key for a vehicle. That is, if the wearable device has a smart key function, the driver can solve the inconvenience of having to carry the smart key, and also detects the user's condition by using the function that the wearable device can have, and detects the state of the vehicle. It will be possible to inform the user in advance so that accidents can be prevented.

However, the development of a smart key using a wearable device that detects a user's condition and informs a driver of a vehicle's condition in advance to prevent an accident is insufficient.

Therefore, the technical problem of the present invention is conceived in this respect, and the object of the present invention is, in detail, a sensor disposed in a vehicle and detecting the state of the vehicle notifies the state of the vehicle, is placed in a smart key, and detects the state of the user. It is to provide a wearable smart key system that recognizes a user and prevents a user's risk and accident by detecting and notifying the user's state.

According to various embodiments of the present disclosure, a wearable smart key system for recognizing a user is disposed in a vehicle, and a first sensor unit detects a state of the vehicle, and a smart key interlocked with the vehicle, and detects a state of a user. A second sensor unit, a data storage unit disposed in the vehicle and configured to store first sensor data sensed by the first sensor unit, and a data storage unit disposed in the vehicle and configured to transmit the first sensor data stored in the data storage unit to the smart key. A first communication unit that transmits data and is disposed in the smart key to determine whether the vehicle is operating normally, including whether or not the vehicle is stolen, and whether or not the charging device is abnormal, using the first sensor data, and the second sensor detects 2 A state determination unit that determines whether the user is in a state in which driving is impossible using sensor data and generates state data, and a vehicle that generates a vehicle control signal for controlling the vehicle according to the state data generated by the state determination unit. A control signal generator, a second communication unit disposed in the smart key and transmitting the vehicle control signal to the vehicle, a vehicle control module disposed in the vehicle and configured to control the vehicle according to the vehicle control signal, and disposed in the smart key and a display unit displaying the first sensor data, the second sensor data, and the state data.

According to various embodiments of the present disclosure, the first sensor unit may include an impact sensor for detecting an impact applied to the vehicle, a door sensor for detecting opening/closing of the vehicle door and pressure applied to a door handle, and ambient noise of the vehicle. An acoustic sensor for detecting, a component detection sensor for detecting the state of the electric parts of the vehicle, and a battery sensor for detecting the state of the battery of the vehicle, and transmitting a notification signal according to the pattern of the event detected by the shock sensor Further comprising an event notification unit, wherein the event notification unit may include a first notification unit for transmitting a notification to the smart key when an event is detected for the first time, and a second notification unit for transmitting a notification to the smart key when a repetitive event is applied. can

According to various embodiments of the present disclosure, in the wearable smart key system for recognizing the user, the state determination unit detects the opening and closing of the vehicle door while the smart key is not within the operating range of the door sensor, and the smart key detects the door sensor. If the operation of the starting module is detected while not within the operating range, it is recognized as an abnormal operation, and the operating range of the door sensor is defined by the following formula. An operating variable greater than or equal to zero may indicate an abnormal operating range.

(here,

is the operating variable of the door sensor, D is the operating effective distance of the smart key,

is the distance between the smart key and the door sensor,

is the pressure to pull the handle of the vehicle door.)

According to various embodiments of the present invention, the state determination unit detects when the shock value measured by the shock sensor is greater than a predetermined shock value and after the first shock is detected by the shock sensor, the shock is repeated a certain number of times or more. If it is detected as abnormal operation, the shock sensor detects an impact applied to the vehicle at a predetermined time period, and when a value greater than a predetermined impact value is detected, the first notification unit transmits a notification to the smart key And, when the number of times the first notification unit transmits the notification is equal to or greater than a predetermined number of times, the second notification unit may transmit the notification to the smart key.

According to various embodiments of the present invention, when an impact is sensed in the shock sensor while the acoustic sensor is operating, it is recognized as an abnormal operation, the operation of the acoustic sensor is determined by the following equation, and the acoustic sensor operating variable is 0 If the value is less than 0, the acoustic sensor does not operate, and if the acoustic sensor operating variable has a value greater than 0, the acoustic sensor may operate.

(Where Z is the acoustic sensor operating variable,

is the noise decibel around the vehicle detected by the acoustic sensor, and H is the reference noise decibel.)

According to various embodiments of the present invention, when an impact is detected in the shock sensor while the acoustic sensor is operating, it is recognized as an abnormal operation,

The operation of the acoustic sensor is determined by the following equation, and the acoustic sensor does not operate when the acoustic sensor operating variable is a value smaller than 0, and the acoustic sensor may operate when the acoustic sensor operating variable is a value greater than 0.

(Where Z is the acoustic sensor operating variable,

According to various embodiments of the present disclosure, whether or not the charging device is abnormal is determined by the following equation, and if the value of the power state variable of the vehicle is 1, it is determined that there is no abnormality in the charging device, and the value of the power state variable of the vehicle If the value is 0, it can be determined that there is something wrong with the charging device.

(here,

is the power state variable of the vehicle,

is the reference value of the battery sensor,

is the actual value measured by the battery sensor.)

According to various embodiments of the present disclosure, the second sensor unit may include an electrocardiogram sensor for measuring the user's electrocardiogram signal, an inertial sensor for measuring a change in the user's motion, and an acceleration sensor for measuring the acceleration according to the user's motion. It includes a 3-axis acceleration sensor and an optical sensor for measuring the user's blood pressure, wherein the second sensor unit measures the user's state when the user approaches the vehicle, and at predetermined time intervals when the user is driving. The user state can be measured with

According to various embodiments of the present disclosure, the initial setting value and change rate of each sensor of the second sensor unit may be defined by the following equation.

,

(here,

is the initial setting value of the electrocardiogram sensor,

is the initial setting value of the inertial sensor,

is the initial setting value of the 3-axis acceleration sensor,

is the initial setting value of the optical sensor,

is the steady-state rate of change of the electrocardiogram sensor,

is the steady-state rate of change of the inertial sensor,

is the steady-state rate of change of the three-axis acceleration sensor,

is the steady state change rate of the optical sensor.)

According to various embodiments of the present disclosure, the state value of the user determined by the measurement values of each sensor of the second sensor unit may be defined by the following equation.

(here,

Is the user's state value determined by the measured value of the electrocardiogram sensor,

is the state value of the user determined by the measured value of the inertial sensor,

is the user's state value determined by the measured value of the 3-axis acceleration sensor,

is the state value of the user determined by the measurement value of the optical sensor,

is the measured value of the electrocardiogram sensor,

is the measured value of the inertial sensor,

is the measured value of the 3-axis acceleration sensor,

is the measured value of the optical sensor,

,

If each value of is 0, it is a normal state, and if it is 1, it is an abnormal state.)

According to various embodiments of the present disclosure, the current state of the user is defined by the following formula, and if the value of the current state of the user is 0, it is normal, and if it is 1, it can be determined to be abnormal.

(Where S is the current state value of the user,

is the user's state value determined by the measured value of the optical sensor.)

According to various embodiments of the present disclosure, the vehicle control signal generating unit may include the

,

When at least one of 1 (abnormal) is 1 (abnormal) and the user approaches the vehicle, an inoperative signal is generated to switch the ignition module to a disabled state;

,

When two or more of these are 1 (abnormal) and the user is driving the vehicle, a rescue request outgoing signal for sending a rescue request call to a rescue center is generated,

,

When two or more of the values are 1 (abnormal) and the vehicle is driving autonomously, a destination change signal for changing the destination to an emergency hospital may be generated.

According to various embodiments of the present disclosure, a user terminal receiving the first sensor data and the second sensor data may be further included.

According to the present invention as described above, there is an advantage in that a traffic accident can be prevented in advance by taking measures to prevent a driver who is unsuitable for driving by precisely analyzing sensor data obtained by measuring a user's condition.

In addition, according to the present invention, there is an advantage in that theft of the vehicle can be prevented in advance by accurately analyzing sensor data that measures the state of the vehicle to determine whether the vehicle is stolen, and quickly delivering it to the user.

In addition, according to the present invention, there is an advantage that the user can conveniently manage the vehicle because the user can know in advance what is wrong with the charging device of the vehicle.

In addition, according to the present invention, the user's condition is precisely analyzed to recognize the user's daily life and condition while driving, and the driver who becomes unable to drive due to an unexpected situation such as deteriorating health condition can be quickly delivered to the rescue agency. It has the advantage of being able to quickly rescue a driver who has an abnormality, such as a daily dangerous condition such as walking.

1 is a block diagram showing a user recognition wearable smart key system according to an embodiment of the present invention.

2 is a block diagram illustrating a vehicle of a user recognition wearable smart key system according to an embodiment.

3 is a block diagram illustrating a first sensor unit of the vehicle according to an exemplary embodiment.

4 is a block diagram illustrating a smart key of a wearable smart key system for recognizing a user according to an exemplary embodiment.

5 is a block diagram illustrating a second sensor unit of the smart key according to an exemplary embodiment.

6 is a flowchart illustrating a process in which a wearable smart key system for recognizing a user determines whether there is an attempted theft in a vehicle and informs the user of the vehicle according to an exemplary embodiment.

7 is a flowchart illustrating a process of determining whether a user is unable to drive and controlling a vehicle by a wearable smart key system recognizing a user according to an embodiment.

8 and 9 are diagrams illustrating the data flow of the user recognition wearable smart key system according to an embodiment.

Operations performed by modules, programs, or other components, according to the above, may be executed sequentially, in parallel, iteratively, or heuristically, or at least some operations may be executed in a different order, may be omitted, or other operations may be added. .

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used in a meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in commonly used dictionaries are not to be interpreted ideally or excessively unless explicitly specifically defined. Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings. And, in describing the embodiments of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. In addition, terms to be described later are terms defined in consideration of functions of the present invention, which may vary according to the intention or custom of a user or operator. Therefore, the definition should be made based on the contents throughout this specification.

A preferred embodiment of the present invention will be described with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms, but only the present embodiments make the disclosure of the present invention complete and fully cover the scope of the invention to those skilled in the art. It is provided to inform you.

Various embodiments of the present document may be implemented as software (eg, a program) including instructions stored in a storage medium readable by a machine (eg, a computer). A device is a device capable of calling a stored command from a storage medium and operating according to the called command, and may include an electronic device (eg, a server) according to the disclosed embodiments. An instruction may include code generated or executed by a compiler or interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-temporary' only means that the storage medium does not contain a signal and is tangible, but does not distinguish whether data is stored semi-permanently or temporarily in the storage medium.

According to one embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product may be distributed in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)) or online through an application store (eg Play Store™). In the case of online distribution, at least part of the computer program product may be temporarily stored or temporarily created in a storage medium such as a manufacturer's server, an application store server, or a relay server's memory.

Each component (eg, module or program) according to various embodiments may be composed of a single object or a plurality of objects, and some sub-components among the aforementioned sub-components may be omitted, or other sub-components may be used. It may be further included in various embodiments. Alternatively or additionally, some components (eg, modules or programs) may be integrated into one entity and perform the same or similar functions performed by each corresponding component prior to integration. various embodiments

Terminology used herein is for describing the embodiments and is not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. As used herein, "comprises" and/or "comprising" does not exclude the presence or addition of one or more other elements other than the recited elements.

1 is a block diagram illustrating a wearable smart key system for recognizing a user according to an embodiment of the present invention. 2 is a block diagram showing a vehicle of a user recognition wearable smart key system according to an embodiment of the present invention. 3 is a block diagram illustrating a first sensor unit of a vehicle of a user recognition wearable smart key system according to an embodiment of the present invention. 4 is a block diagram showing a smart key of a wearable smart key system for recognizing a user according to an embodiment of the present invention. 5 is a block diagram illustrating a second sensor unit of a smart key of a wearable smart key system for recognizing a user according to an embodiment of the present invention.

Referring to FIGS. 1 to 5 , a wearable smart key system for recognizing a user according to an embodiment includes a vehicle 100 and a smart key 200 . The vehicle 100 may include a first sensor unit 110 , a data storage unit 120 , a first communication unit 130 and a vehicle control module 140 . The smart key 200 may include a second sensor unit 210, a second communication unit 220, a state determination unit 230, a vehicle control signal generator 240, and a display unit 250.

The first sensor unit 110 may be disposed in a vehicle to detect a state of the vehicle. In more detail, the first sensor unit 110 includes an impact sensor 111 for detecting an impact applied to the vehicle, a door sensor 112 for detecting the opening and closing of the vehicle door and pressure applied to the door handle, and the vehicle An acoustic sensor 113 for detecting ambient noise, a parts detection sensor 114 for detecting the state of electric parts of the vehicle, a battery sensor 115 for detecting the state of the battery of the vehicle, and the impact sensor detecting An event notification unit 116 that transmits notification signals according to event patterns may be included. The event notification unit 116 may include a first notification unit that sends a notification to the smart key when an event is detected for the first time and a second notification unit that sends a notification to the smart key when a repetitive event occurs. In the present invention, the first sensor unit 100 has been described as including an impact sensor 111, a door sensor 112, an acoustic sensor 113, a part detection sensor 114, and a battery sensor 115, but is limited thereto. It does not, and the first sensor unit 100 may include various sensors other than the sensors for detecting the state of the vehicle.

The second sensor unit 210 may be disposed on a smart key linked with the vehicle to detect a user's state. In more detail, the second sensor unit includes an electrocardiogram sensor 211 for measuring the user's electrocardiogram signal, an inertial sensor 212 for measuring the change in the user's movement, and a 3-axis acceleration sensor for measuring the acceleration according to the user's movement ( 213) and an optical sensor 214 for measuring the user's blood pressure. In the present invention, the second sensor unit 200 has been described as including an electrocardiogram sensor 211, an inertial sensor 112, a 3-axis acceleration sensor 113, and an optical sensor 114, but is not limited thereto, and the above The second sensor unit 100 may include various sensors other than the above sensors for detecting a user's state. In addition, the second sensor unit 210 measures the user state when the user approaches the vehicle, and detects the user state at predetermined time intervals when the user is driving. can be measured

The data storage unit 120 may store first sensor data including the vehicle state sensed by the first sensor unit 110 . That is, the data storage unit 120 stores the state of the vehicle measured by the first sensor unit, such as a measurement value of an impact sensor, a measurement value of a door sensor, a measurement value of an acoustic sensor, a measurement value of a part detection sensor, and a measurement value of a battery sensor. can be saved.

The first communication unit 130 may be disposed in the vehicle 100 and transmit first sensor data stored in the data storage unit to the smart key. For example, it is preferable to use Bluetooth, RFID, Wi-Fi communication, etc., but is not limited thereto.

The state determining unit 230 is disposed on the smart key to determine whether the vehicle is operating normally, including whether the vehicle is stolen, and whether or not the charging device is abnormal, using the first sensor data, and determines whether the second sensor unit senses Using the second sensor data, it is possible to determine whether the user is in a state in which driving is impossible, and to generate state data.

The vehicle control signal generation unit 240 may generate a vehicle control signal for controlling the vehicle according to the state data generated by the state determination unit.

For example, the state determining unit 230 may be used when the shock value measured by the shock sensor is greater than a predetermined shock value and when the shock is repeatedly detected a predetermined number of times or more after the first shock is detected by the shock sensor. It is recognized as abnormal operation, the shock sensor detects an impact applied to the vehicle at a predetermined time period, and when a value greater than a predetermined impact value is detected, the first notification unit transmits a notification to the smart key, When the number of times the first notification unit transmits the notification is equal to or greater than a predetermined number of times, the second notification unit may transmit the notification to the smart key.

The value of impact measured over time by the impact sensor 111 may be defined by Equation 2 below.

Equation 2

here,

is the value of the impact measured over time,

is the value of the impact applied to the vehicle.

When an impact is detected on the shock sensor while the acoustic sensor is operating, it is recognized as an abnormal operation, and the operation of the acoustic sensor 113 is determined by Equation 3 below, and if the acoustic sensor operation variable is a value less than 0 If the acoustic sensor does not operate and the acoustic sensor operating variable has a value greater than 0, the acoustic sensor may operate.

Equation 3

(Where Z is the acoustic sensor operating variable,

For example, the state determining unit 230 determines whether the charging device has a problem by Equation 4 below, and if the value of the power state variable of the vehicle is 1, it is determined that there is no problem with the charging device, and the vehicle If the value of the power state variable of is 0, it can be determined that there is something wrong with the charging device.

Equation 4

(here,

is the power state variable of the vehicle,

is the reference value of the battery sensor,

is the actual value measured by the battery sensor.)

For example, the initial setting value and change rate of the electrocardiogram sensor may be defined by Equation 5 below.

Equation 5

(here,

is the initial setting value of the electrocardiogram sensor,

is the steady-state rate of change of the electrocardiogram sensor,

is the measured value of the electrocardiogram sensor.)

In addition, the measurement value of the electrocardiogram sensor 211 may be defined by Equation 6 below.

Equation 6

(here,

is the user's state value determined by the measured value of the conductivity sensor,

If the value of is 0, it is a normal state, and if it is 1, it is an abnormal state.)

That is, when the measured value of the ECG sensor exceeds 50% of the initial set value of the ECG sensor, it may be determined that the value of the ECG sensor is abnormal.

For example, the initial setting value of the inertial sensor 212, the rate of change, and the measurement value of the inertial sensor 212 may be defined by Equation 7 below.

Equation 7

(here,

is the initial setting value of the inertial sensor,

is the steady-state rate of change of the inertial sensor,

is the measured value of the inertial sensor.)

Also, the value of the inertial sensor 212 may be defined by Equation 8 below.

Equation 8

(here,

is the measured value of the inertial sensor,

That is, when the measured value of the inertial sensor 212 exceeds 50% of the initial setting value of the inertial sensor, it may be determined that the value of the inertial sensor is abnormal.

For example, the initial setting value and change rate of the 3-axis acceleration sensor and the measurement value of the 3-axis acceleration sensor may be defined by Equation 9 below.

Equation 9

(here,

is the initial setting value of the 3-axis acceleration sensor,

is the steady-state rate of change of the three-axis acceleration sensor,

is the measured value of the 3-axis acceleration sensor.)

In addition, the value of the 3-axis acceleration sensor may be defined by Equation 10 below.

Equation 10

(here,

is the measured value of the 3-axis acceleration sensor,

That is, if the measured value of the 3-axis acceleration sensor 213 exceeds 50% of the initial setting value of the 3-axis acceleration sensor 213, it may be determined that the value of the 3-axis acceleration sensor 213 is abnormal.

For example, the initial setting value and change rate of the optical sensor 214 and the measurement value of the optical sensor 214 may be defined as Equation 11 below.

Equation 11

(here,

is the initial setting value of the optical sensor,

Is the change rate of the steady state of the set user's optical sensor,

is the measured value of the light sensor.)

In addition, the value of the light sensor may be defined by Equation 12 below.

Equation 12

(here,

is the measured value of the optical sensor,

That is, when the measurement value of the optical sensor exceeds 50% of the initial setting value of the optical sensor, it may be determined that the optical sensor value is abnormal.

For example, the current state of the user is defined by Equation 13 below, and if the value of the current state of the user is 0, it is determined to be normal, and if it is 1, it can be determined to be abnormal.

Equation 13

(Where S is the current state value of the user,

That is, if the rate of change of each sensor value of the measured second sensor unit exceeds 50% of the rate of change of each sensor value of the second sensor unit stored by the user, it may be determined that the current state of the user is an abnormal state.

In addition, the vehicle control signal generator

,

The second communication unit 220 may be disposed on the smart key and transmit the vehicle control signal to the vehicle. For example, it is preferable to use Bluetooth, RFID, Wi-Fi communication, etc., but is not limited thereto.

The vehicle control module 140 is disposed in the vehicle and can control the vehicle according to the vehicle control signal. In more detail, the vehicle control module 140 may receive the vehicle control signal generated by the vehicle control signal generating unit 240 and control the starting module and the like according to the vehicle control signal. For example, the vehicle control module 140 receiving the vehicle control signal blocking the operation of the ignition module blocks the operation of the ignition module, and after the operation of the ignition module is blocked, the user uses a smart key or the like Even if the vehicle tries to operate the ignition module, it may not operate.

The display unit 240 may be disposed on the smart key to display the determined vehicle and user states including the first sensor data and the second sensor data. In more detail, the display unit 240 may visually display the first sensor data and the state of the vehicle and the user determined by the data generating unit to inform the user of the state of the vehicle or the user. For example, the first sensor data including the measured value of the battery sensor is displayed on the display unit so that the user can know the state of the battery of the vehicle in advance. According to this embodiment, the user can know the state of the vehicle in advance before driving, and if the state of the vehicle is not suitable for driving, the vehicle can be inspected or repaired in advance, so the user can drive safely.

6 is a flowchart illustrating a process in which the wearable smart key system for recognizing a user according to an embodiment of the present invention determines whether there is an attempted theft in a vehicle and notifies the user.

Referring to FIG. 6, the process in which the user-recognized wearable smart key system detects a theft attempt and informs the user is the step of detecting the state of the vehicle (S110), and transmitting the detected state of the vehicle to the smart key interlocking with the vehicle (S120), determining whether there is an attempted theft in the vehicle according to the state of the received vehicle (S130), and notifying the user of the state of the vehicle when it is determined that there is an attempted theft in the vehicle (S140). ) is composed of.

Determining whether there is an attempted theft in the vehicle according to the state of the received vehicle (S130) is determining whether the vehicle door has been opened and closed while the smart key is not within the operating range, and operation of the ignition module when the smart key is not within the operating range. Determining whether the intensity of the detected impact is greater than the intensity of the reference impact, determining whether the impact is repeated a certain number of times or more, and determining whether the impact is detected while the noise around the vehicle is greater than the reference noise can include

7 is a flowchart illustrating a process of determining whether a user is unable to drive and controlling a vehicle by the wearable smart key system recognizing a user according to an embodiment of the present invention.

Referring to FIG. 7 , the process of determining whether the user recognition wearable smart key system is in a state where the user is unable to drive and controlling the vehicle includes determining whether the smart key is within an effective distance from the interlocking vehicle (S210); When it is determined that the smart key is within an effective distance from the vehicle, detecting the user's state (S220), determining whether the detected user's state is a driving impossible state (S230), the user's state When it is determined that driving is impossible, the method includes transmitting a vehicle control signal for blocking the starting of the vehicle (S24) and controlling the vehicle according to the vehicle control signal (S250).

Determining whether the detected state of the user is incapable of driving (S230) includes determining whether the value of each sensor detected by the second sensor unit is in an abnormal state and determining whether the sensor values in the abnormal state are two or more. steps may be included.

Referring to FIGS. 8 and 9 , the wearable smart key system 10 for recognizing a user according to an embodiment includes a first sensor unit 110 disposed in a vehicle and detecting a state of the vehicle, and the detected vehicle The first sensor data including the state of is stored in the data storage unit 120 . The first sensor data stored in the data storage unit 120 is transmitted to the second communication unit 220 through the first communication unit 130, and the state determination unit 230 receives the received data from the first communication unit 130. The state of the vehicle may be determined using the first sensor data. At this time, the first sensor data and the state of the vehicle determined by the data generating unit may be displayed on the display unit 240 .

In addition, the state determining unit 230 may determine the user's state using second sensor data including the user's state detected by the second sensor unit 210. In this case, the second sensor data And the state of the user determined by the state determination unit 230 may be displayed on the display unit 240 . Also, the vehicle control signal generation unit 240 may transmit a vehicle control signal for controlling the vehicle according to the determined state of the vehicle and the state of the user to the vehicle through the second communication unit 220 .

As another example, the first center data including the state of the vehicle detected by the first sensor unit 110 and the second sensor data including the state of the user detected by the second sensor unit 210 are transmitted from the user terminal. It is also possible to send a rescue request call from the user terminal to a rescue center if the user receives and processes the call and the user is not suitable for driving while driving.

Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and it should be said that not only the claims to be described later, but also all modifications equivalent or equivalent to these claims fall within the scope of the spirit of the present invention. will be.

Claims

a first sensor unit disposed in a vehicle and sensing a state of the vehicle;

a second sensor unit disposed on a smart key interlocked with the vehicle and sensing a user's state;

a data storage unit disposed in the vehicle and storing first sensor data sensed by the first sensor unit;

a first communication unit disposed in the vehicle and transmitting first sensor data stored in the data storage unit to the smart key;

It is disposed in the smart key and determines whether the vehicle is operating normally, including whether the vehicle is stolen, and whether the charging device is abnormal, using the first sensor data, and using the second sensor data detected by the second sensor unit a state determination unit determining whether the user is in a state in which driving is impossible and generating state data;

a vehicle control signal generating unit generating a vehicle control signal for controlling the vehicle according to the state data generated by the state determination unit;

a second communication unit disposed on the smart key and transmitting the vehicle control signal to the vehicle;

a vehicle control module disposed in the vehicle and controlling the vehicle according to the vehicle control signal; and a display unit disposed on the smart key and displaying the first sensor data, the second sensor data, and the status data.
The method of claim 1 , wherein the first sensor unit comprises: an impact sensor detecting an impact applied to the vehicle;

a door sensor that senses the opening and closing of the vehicle door and the pressure applied to the door handle;

an acoustic sensor for detecting ambient noise of the vehicle;

a part detecting sensor for detecting the state of electric parts of the vehicle; and a battery sensor that detects a state of the battery of the vehicle, and an event notification unit that transmits a notification signal according to an event pattern detected by the shock sensor,

The event notification unit may include: a first notification unit for transmitting a notification to the smart key when a first event is detected; and a second notification unit for transmitting a notification to the smart key when a repetitive event is applied.
3 . The method of claim 2 , wherein the state determining unit detects the opening and closing of the vehicle door while the smart key is not within the operating range of the door sensor, and operates the ignition module while the smart key is not within the operating range of the door sensor. If it is detected, it is recognized as an abnormal operation, and the operating range of the door sensor is defined by the following formula. User recognition wearable smart key system, characterized in that the operating range.

(here,
is the operating variable of the door sensor, D is the operating effective distance of the smart key,
is the distance between the smart key and the door sensor,
is the pressure to pull the handle of the vehicle door.)
3. The method of claim 2, wherein the state determining unit is abnormal when the shock value measured by the shock sensor is greater than a predetermined shock value and when the shock is repeatedly detected a certain number of times after the first shock is sensed by the shock sensor. operation, the impact sensor detects an impact applied to the vehicle at a predetermined time period, and when a value greater than a predetermined impact value is detected, the first notification unit transmits a notification to the smart key; The wearable smart key system for recognizing a user, characterized in that the second notification unit transmits a notification to the smart key when the number of times the first notification unit transmits a notification is equal to or greater than a predetermined number of times.
The method of claim 2, wherein when an impact is sensed in the shock sensor while the acoustic sensor is operating, it is recognized as an abnormal operation, the operation of the acoustic sensor is determined by the following equation, and an acoustic sensor operating variable is a value less than 0 The user recognition wearable smart key system, characterized in that the acoustic sensor does not operate when the acoustic sensor operation variable is a value greater than 0, and the acoustic sensor operates.

(Where Z is the acoustic sensor operating variable,
is the noise decibel around the vehicle detected by the acoustic sensor, and H is the reference noise decibel.)
According to claim 1,

Whether or not the charging device is abnormal is determined by the following equation. If the value of the power state variable of the vehicle is 1, it is determined that there is no abnormality in the charging device, and if the value of the power state variable of the vehicle is 0, the charging device is abnormal. A user recognition wearable smart key system, characterized in that for determining that there is.

(here,
is the power state variable of the vehicle,
is the reference value of the battery sensor,
is the actual value measured by the battery sensor.)
The method of claim 1, wherein the second sensor unit,

an electrocardiogram sensor for measuring an electrocardiogram signal of the user;

an inertial sensor for measuring a change in the user's motion;

a three-axis acceleration sensor for measuring acceleration according to the user's movement; and

Including an optical sensor for measuring the user's body temperature, blood pressure, and the like;

The wearable smart key system for recognizing a user, characterized in that the second sensor unit measures the user state when the user approaches the vehicle, and measures the user state at predetermined time intervals when the user is driving.
According to claim 7,

The user recognition wearable smart key system, characterized in that the initial setting value and change rate of each sensor of the second sensor unit is defined by the following equation.

,

,

,

,

(here,
is the initial setting value of the electrocardiogram sensor,
is the initial setting value of the inertial sensor,
is the initial setting value of the 3-axis acceleration sensor,
is the initial setting value of the optical sensor,
is the steady-state rate of change of the electrocardiogram sensor,
is the steady-state rate of change of the inertial sensor,
is the steady-state rate of change of the three-axis acceleration sensor,
is the steady state change rate of the optical sensor.)
According to claim 8,

The user recognition wearable smart key system, characterized in that the state value of the user determined by the measured value of each sensor of the second sensor unit is defined by the following equation.

(here,
Is the user's state value determined by the measured value of the electrocardiogram sensor,
is the state value of the user determined by the measured value of the inertial sensor,
is the user's state value determined by the measured value of the 3-axis acceleration sensor,
is the state value of the user determined by the measurement value of the optical sensor,
is the measured value of the electrocardiogram sensor,
is the measured value of the inertial sensor,
is the measured value of the 3-axis acceleration sensor,
is the measured value of the optical sensor,
,
,
,
If each value of is 0, it is a normal state, and if it is 1, it is an abnormal state.)
According to claim 9,

The user's current state is defined by the following formula, and if the user's current state value is 0, it is normal, and if it is 1, it is determined to be abnormal.

(Where S is the current state value of the user,
Is the user's state value determined by the measured value of the electrocardiogram sensor,
is the state value of the user determined by the measured value of the inertial sensor,
is the user's state value determined by the measured value of the 3-axis acceleration sensor,
is the user's state value determined by the measured value of the optical sensor.)
The method of claim 10, wherein the vehicle control signal generator,

remind
,
,
,
When at least one of the values is 1 (abnormal) and a user approaches the vehicle, generating an inoperative signal for switching the ignition module to a disabled state;

remind
,
,
,
When two or more of these are 1 (abnormal) and the user is driving the vehicle, a rescue request outgoing signal for sending a rescue request call to a rescue center is generated;

remind
,
,
,
When two or more of these are 1 (abnormal) and the vehicle is driving autonomously, a destination change signal for changing the destination to an emergency hospital is generated.
According to claim 1,

The user recognition wearable smart key system further comprising a user terminal receiving the first sensor data and the second sensor data.