KR101778033B1 - driver safe warning apparatus and control method thereof - Google Patents

Abstract

According to the present invention, provided are a driver safety warning apparatus and a driver safety warning control method. More specifically, provided is the driver safety warning apparatus which comprises: a communication unit receiving acceleration information of a terminal with wireless communication, and receiving acceleration information from a plurality of sensors included in a vehicle; and a control unit detecting that a driver uses the terminal when difference between acceleration of the terminal and acceleration of the vehicle is greater than a predetermined threshold value.

Description

          Technical Field [0001] The present invention relates to a driver safety warning apparatus and a control method thereof,

The present invention relates to a driver safety warning device and a control method thereof for detecting whether or not a driver uses a portable terminal while driving a vehicle, and more particularly, And transmits a control signal to a plurality of control systems included in the vehicle, and a control method therefor.

Today, with the spread of smart phones, drivers receive various services using data communication as well as voice and video calls, regardless of time and place. However, the driver's voice call and text message transmission / reception operation during driver's driving cause driver's carelessness, and the seriousness of traffic accident is emerging.

Accordingly, while the driver is taking measures against driver's carelessness through the use of the portable terminal through the amendment proposal of the Enforcement Decree of the Road Traffic Act such as strengthening the legal punishment, a technique for limiting the use of the portable terminal while driving the vehicle is being developed.

For example, when a driver of a vehicle places a portable terminal in a certain area for a call, a technique for limiting the use of a mobile phone by a driver of the vehicle has been developed, which generates a disturbing wave corresponding to various electromagnetic wave signals.

Korean Patent Publication No. 10-2005-0057896 discloses a method of using a smart phone while driving by using STT (Speech to text) and TTS (Text to Speech) technology that uses a voice recognition to input a smart phone text message Relevant related technologies are being developed.

For example, an Adaptive Cruise Control (ACC) is a system in which, when a driver sets a vehicle speed at a constant speed, a brake or an acceleration (Accelerator) It provides the convenience to the driver by keeping the speed of the vehicle according to the external road condition without stepping on the pedal.

Korean Patent Publication No. 10-2005-0057896

However, in the case of the STT or TTS technique, it is limited to minimize the carelessness of the driver and to be a solution to the carelessness of the driver.

Therefore, in the embodiment of the present invention, when the driver uses the portable terminal, he / she senses the use of the portable terminal and performs driver warning and safety control through interlocking with a plurality of automatic control systems of the vehicle.

According to an embodiment of the present invention, there is provided a communication system including: a communication unit that receives acceleration information of a terminal by wireless communication and receives acceleration information from a plurality of sensors included in the vehicle; And a controller for detecting that the driver is using the terminal if the difference between the acceleration of the terminal and the acceleration of the vehicle is greater than a preset threshold value.

The difference between the acceleration of the terminal and the acceleration of the vehicle corresponds to a root sum sum (RSS) of the acceleration sum of squares of the X-axis, the Y-axis and the Z- (RSS) of the direction acceleration sum of squares.

The control unit may further include a signal processor for performing synchronization and interpolation between acceleration information of the terminal and acceleration information of the vehicle received from the communication unit.

Also, the controller may generate an automatic running preparation control signal for the vehicle when the driver senses that the terminal is used.

In addition, the automatic traveling may include any one of Smart Cruise Control (SCC), Lane Keeping Assist System (LKAS), and Autonomous Emergency Brake (AEB) have.

According to another embodiment of the present invention, there is provided a method for controlling acceleration of a terminal, comprising the steps of: receiving acceleration information of a terminal through wireless communication; receiving acceleration information from a yaw rate sensor included in the vehicle; Performing synchronization and interpolation of acceleration information of the terminal and calculating a difference between the acceleration of the terminal and the acceleration of the vehicle; And detecting that the driver is using the terminal if the calculated difference is greater than a predetermined threshold value.

The step of calculating the difference between the acceleration of the terminal and the acceleration of the vehicle may include calculating a root sum of squares of the acceleration sum of the X, Y, and Z axes of the terminal, (RSS) of the acceleration sum of squares in the X-axis, Y-axis, and Z-axis directions of the vehicle; And calculating a difference between the dual axis of the acceleration sum of squares in the X, Y, and Z axes of the terminal and the dual axis of the acceleration sum of squares in the X, Y, and Z axes of the vehicle .

The method may further include generating an automatic running preparation control signal for the vehicle when the driver senses that the terminal is used.

In addition, the automatic traveling may include any one of Smart Cruise Control (SCC), Lane Keeping Assist System (LKAS), and Autonomous Emergency Brake (AEB) have.

In order to solve such a problem, embodiments of the present invention detect driver's use of the portable terminal and perform driver warning and safety control through interlocking with a plurality of automatic control systems of the vehicle when the driver uses the portable terminal can do.

1 is a schematic view showing the appearance of a vehicle including a driver's safety warning device of the present invention.
2 is a schematic view showing the inside of a vehicle including a driver's safety warning device according to an embodiment of the present invention.
3 is a block diagram showing various electronic devices included in a vehicle including a driver's safety alarm device according to an embodiment of the present invention.
4 is a block diagram of a communication device included in a vehicle according to an embodiment of the present invention.
5 is a block diagram of a driver safety alert system according to an embodiment of the present invention.
FIG. 6 is a flowchart illustrating a driver safety alert control method according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are provided to fully convey the spirit of the present invention to a person having ordinary skill in the art to which the present invention belongs. The present invention is not limited to the embodiments shown herein but may be embodied in other forms. For the sake of clarity, the drawings are not drawn to scale, and the size of the elements may be slightly exaggerated to facilitate understanding.

FIG. 1 is a schematic view showing the appearance of a vehicle including a driver's safety alarm device according to an embodiment of the present invention, FIG. 2 is a schematic view showing the inside of the vehicle including the driver's safety alarm device according to an embodiment of the present invention, 3 is a block diagram including various electronic devices included in the vehicle including the driver's safety alarm device according to the embodiment of the present invention.

1, a vehicle 1 according to an embodiment includes a body 11-16 forming an outer appearance of the vehicle 1, a chassis 11 supporting components of the vehicle 1, (Not shown), vehicle bodies 11 to 16, and wheels 21 and 22 for moving the vehicle.

The wheels 21 and 22 include a front wheel 21 provided at the front of the vehicle and a rear wheel 22 provided at the rear of the vehicle and the vehicle 1 is rotated forward or rearward by the rotation of the wheels 21 and 22. [ . ≪ / RTI >

The vehicle bodies 11 to 16 include a hood 11, a front fender 12, a roof panel 13, a door 14, a trunk lid 15, a quarter panel 16, and the like.

A front window 17 provided on the front side of the vehicle bodies 11 to 16, a side window 18 provided on the door 14, And a rear window 19 provided on the rear side of the rear windows 11 to 16.

The driver's safety warning device included in the vehicle 1 according to the present invention is included in the interior of the vehicle 1 to determine whether the driver is using the terminal, So that the control signal can be transmitted to various electronic apparatuses included in the vehicle 1. [

Next, as shown in Fig. 2, there are installed in the interior of the vehicle bodies 11 to 16 are seats S1 and S2 on which a passenger sits, various instruments for controlling the operation of the vehicle 1, A center fascia 40 provided with a control panel for operating the accessories included in the vehicle 1, a gear stick, a parking brake stick, and the like A center console 50 and a steering wheel 60 for operating the running direction of the vehicle 1 may be provided.

The seat S1 and the seat S2 allow the driver to operate the vehicle 1 in a comfortable and stable posture and are provided with a driver's seat S1 on which the driver sits, a passenger seat S2 on which the passenger sits, (Not shown).

The dashboard 30 may be provided with a speed meter for indicating information related to driving, a fuel meter, an automatic shift select lever display, a tachometer, an instrument panel such as a section distance meter, and the like. Therefore, the driver can check the current vehicle speed in real time based on the display of the speed meter or the like.

The center fascia 40 is provided between the driver's seat S1 and the front passenger's seat S2 and includes an operation unit for adjusting the audio equipment, the air conditioner and the heater, an air conditioner for adjusting the temperature inside the vehicle bodies 11 to 16, A cigar jack, and the like.

The center console 50 is provided below the center fascia 33 between the driver's seat S1 and the front passenger's seat S2 and may be provided with a gear stick for shifting and a parking brake stick for parking.

The steering wheel 60 is attached to the dashboard 30 so as to be rotatable about the steering axis and the driver rotates the steering wheel 60 clockwise or counterclockwise to change the traveling direction of the vehicle 1 . An angle of the steering wheel 60 rotated by the driver is sensed through a steering (not shown) wheel sensor to confirm the driver's intention to change the traveling direction.

Further, when the direction switching lever 193 is inclined upwardly, it includes the direction switching lever 193 to the rear of the steering wheel 60, and the right turn signal is calculated. When the direction switching lever 193 is turned downward, the left turn signal can be calculated.

(E.g., an engine or a motor) for generating power for moving the vehicle 1 by burning the fuel, a fuel supply device for supplying fuel to the power generation device, A power transmitting device for transmitting the power generated by the power generating device to the wheels 21 and 22, a power transmitting device for transmitting the power generated by the power generating device to the steering wheel 60 A braking device for stopping the rotation of the wheels 21 and 22 and a braking device for stopping the rotation of the wheels 21 and 22 to absorb the vibration of the wheels 21 and 22 by the road And the like may be provided.

Vehicle 1 may include a variety of electronic devices 100 with the mechanical devices described above.

3, the vehicle 1 includes an engine management system (EMS) 110, a brake-by-wire 120, a pedal device 130, An AVN (Audio / Video / Navigation) device 140, an operator safety warning device 150, a transmission control system (TMS) 160, a steering- Device 180, input / output control system 190, and other vehicle sensors 195, and the like. The electronic device 100 shown in Fig. 3 is only a part of the electronic device included in the vehicle 1, and the vehicle 1 can be provided with more various electronic devices.

 In addition, the various electronic devices 100 included in the vehicle 1 can communicate with each other through the vehicle communication network NT. The Vehicle Communication Network (NT) may be a Media Oriented Systems Transport (MOST) having a communication speed of up to 24.5 Mbps (Mega-bits per second), a FlexRay having a communication speed of up to 10 Mbps, a CAN (Controller Area Network) having a communication speed of 1 Mbps to 1 Mbps, and a LIN (Local Interconnect Network) having a communication speed of 20 kbps. Such a vehicle communication network NT can employ not only a single communication protocol such as a mast, a player, a can, a lean, but also a plurality of communication protocols.

The engine control system 110 performs fuel injection control, fuel ratio feedback control, lean burn control, ignition timing control, idling control, and the like. The engine control system 110 may not only be a single device but may also be a plurality of devices connected through communication.

The braking control device 120 may control the braking of the vehicle 1, and may typically include an anti-lock brake system (ABS) or the like.

The shift control system 160 performs shift point control, damper clutch control, pressure control at the time of friction clutch ON / OFF, and engine torque control during shifting. The shift control system 160 may be a single device, or may be a plurality of devices connected through communication.

The steering control device 170 assists the steering operation of the driver by reducing the steering force during low-speed driving or parking and increasing the steering force during high-speed driving.

The pedal device 130 includes a brake pedal and an accelerator pedal. A brake pedal (not shown) is a pedal operated by the driver to brake the brake pedal, and the piston of the master cylinder can be pushed to reduce hydraulic pressure. At this time, it is possible to determine the driver's braking intent by measuring the leg-power for operating the brake pedal with the foot of the driver with a foot-speed sensor (not shown).

An accelerator pedal (not shown) is a pedal that is operated by the driver to accelerate. The accelerator pedal can be accelerated when the accelerator pedal is depressed by an engine interlocked with a carburetor (not shown) . It is possible to determine the driver's acceleration will by measuring the driver's power to operate the accelerator pedal 180 with a foot sensor (not shown).

The AVN device 140 is a device for outputting music or an image according to a control command of a driver. Specifically, the AVN apparatus 140 can reproduce music or moving images according to a control command of the driver or guide the route to a destination.

Here, a display (not shown) of the AVN device may employ a touch-sensitive display (e.g., a touch screen) capable of receiving a touch input of a driver.

The input / output control system 190 receives the driver's control command via the button and displays information corresponding to the driver's control command. The input / output control system 190 may include a cluster display 191 provided on the dashboard 30 for displaying an image, and a head up display 192 for projecting the image on the wind screen 17.

The cluster display 191 is provided on the dashboard 30 to display an image. Particularly, the cluster display 191 is provided adjacent to the windscreen 17 so that the driver U can be informed of the operation information of the vehicle 1, the information of the road 1 Or a travel route. Also, the operation of the smart cruise control system 150 according to the present invention can be shown to the driver.

For example, it shows the target speed (2) set by the driver so that the driver can check the current speed and the target speed in real time.

The cluster display 191 may include a liquid crystal display (LCD) panel or an organic light emitting diode (OLED) panel.

The head-up display 192 can project an image onto the windscreen 17. [ The image projected on the windscreen 17 by the head-up display 192 may include motion information of the vehicle 1, road information, or a driving route. Also, the operation of the driver's safety alarm device 150 according to the present invention can be shown to the driver.

The other vehicle sensor 195 includes an acceleration sensor 196, a yaw rate sensor 197, a steering angle sensor 198, a speed sensor 199 and the like included in the vehicle 1 to detect the running information of the vehicle .

The acceleration sensor 196 measures the acceleration of the vehicle and may include a lateral acceleration sensor (not shown) and an acceleration sensor (not shown).

Assuming that the lateral acceleration sensor is the X-axis of the moving direction of the vehicle, the vertical acceleration (Y-axis) direction is referred to as the lateral direction, and the lateral acceleration is measured.

The longitudinal acceleration sensor can measure the acceleration in the direction of movement of the vehicle in the X-axis direction.

The acceleration sensor 196 detects a change in velocity per unit time and senses a dynamic force such as acceleration, vibration, shock, etc., and measures the inertia force, the electric strain, and the principle of the gyro.

The yaw rate sensor 197 can be installed on each wheel of the vehicle and can detect the yaw rate value in real time.

The yaw rate sensor 197 generates a voltage while rotating as the vehicle moves. The yaw rate of the vehicle can be sensed based on the voltage thus generated.

The yaw rate sensor 197 is a sensor for detecting the acceleration applied to the vehicle together with the acceleration sensor 196. The yaw rate sensor 197 can be used not only for an electronic stability control (ESC) And provides the driver's safety warning device 150 with acceleration information of the vehicle 1 in the X-axis and Y-axis directions.

The steering angle sensor 198 measures the steering angle. Mounted on the lower end of the steering wheel (not shown), and can detect the steering speed, the steering direction, and the steering angle of the steering wheel.

The speed sensor 199 is installed inside the wheel of the vehicle to detect the rotational speed of the vehicle wheel and can transmit the measured vehicle speed value to the driver warning device 150 through the network NT.

The navigation system 200 includes a navigation device that displays a route to a destination desired by the driver. In the case of high performance navigation (not shown), the navigation device 200 can acquire acceleration in the X, Y, have.

This navigation 200 can guide a driver to a destination to a destination received from the navigation device 200 through the AVN device included in the vehicle 1. [

The communication device 180 includes a wireless communication unit 183 that performs wireless communication with a terminal used by a driver or performs continuous communication with a plurality of vehicles outside the vehicle and an internal communication unit 181 that performs communication between various electronic devices in the vehicle And a communication control unit 182 for controlling the wireless communication unit 183 and the internal communication unit 181.

Next, the driver safety warning device 150 according to the present invention transmits the acceleration information of the terminal that has received the smart communication via the communication device 180 and the acceleration information of the vehicle received from the other vehicle sensors 195 included in the vehicle 1 And transmits a ready signal to various electronic devices 100 included in the vehicle for safety and safety of the driver.

The configuration of the vehicle 1 has been described above.

The configuration and operation of the communication device 180 and the driver's safety alarm device 150 included in the vehicle 1 will be described below.

4, the communication device 180 includes an internal communication unit 181, a communication control unit 182, and a wireless communication unit 183.

The internal communication unit 181 is connected to the vehicle communication network NT to receive communication signals transmitted from the various electronic devices 100 in the vehicle 1 and to transmit the vehicle 1 via the vehicle communication network NT And transmits the communication signal to the various electronic apparatuses 100 inside. Here, the communication signal means a signal transmitted / received through the vehicle communication network NT.

The wireless communication unit 183 can exchange signals with the driver's terminal 1000, the external vehicle, and the wireless communication base station through the wireless signal.

That is, the vehicle 1 can transmit and receive wireless signals from the terminal 1000 of the driver through the wireless communication unit 183 and receive the acceleration information of the terminal.

In addition, the vehicle 1 transmits and receives radio signals to and from other vehicles existing in the vicinity of the vehicle, receives the speed, acceleration and other traveling information of the external vehicle, transmits and receives continuous radio signals to a plurality of external vehicles, It is possible to send and receive information that may be possible.

That is, the wireless communication unit 183 transmits and receives wireless signals to and from the terminal 1000 located within a distance that enables wireless communication, so that the wireless communication unit 183 can exchange signals through various communication protocols.

For example, the wireless communication unit 183 may be a second generation (2G) communication system such as Time Division Multiple Access (TDMA) and Code Division Multiple Access (CDMA) (3G) communication systems such as Wide Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA2000), Wireless Broadband (Wibro) and World Interoperability for Microwave Access (WiMAX) (4G) communication method such as Long Term Evolution (LTE) and Wireless Broadband Evolution. The wireless communication unit 183 may employ a fifth generation (5G) communication system.

The communication control unit 182 collectively controls the communication between the external vehicle and the in-vehicle electronic device 100 in the internal communication unit 181 and the wireless communication unit 183.

5 is a block diagram of a driver safety alert device 150 according to an embodiment of the present invention.

FIG. 5 is a block diagram of a driver safety warning device 150 according to an embodiment of the present invention, and FIG. 6 is a flowchart illustrating a driver safety warning control method according to an embodiment of the present invention.

Referring to FIG. 5, the driver safety warning device 150 according to the present invention includes a communication unit 151 and a control unit 152.

The communication unit 151 is connected to the vehicle communication network NT to receive the communication signals transmitted from the various electronic devices 100 in the vehicle 1 and transmits the communication signals to the vehicle 1 via the vehicle communication network NT And transmits the communication signal to the electronic device 100.

Here, the communication signal means a signal transmitted / received via the vehicle communication network NT. The communication signal can receive various sensor values measured by the other vehicle sensors 195, 1000, and may transmit the control signal processed in the driver's safety alarm device 150 to the various electronic devices 100.

In addition, the communication unit 151 may receive information on whether or not a user touches a touch sensor (not shown) included in the terminal 1000.

For example, when it is determined that the driver is using the terminal 1000 in the driver's safety alarm device 150 according to the present invention, the driver's warning is given to the driver through various electronic devices 100 included in the vehicle 1 The control unit 152 controls the overall operation of the driver safety warning apparatus 150 according to the present invention, . Specifically, the control unit 152 controls the acceleration of the vehicle and the acceleration of the terminal 1000 through various data of the signal processor 153 for processing various communication signals received from the communication unit 151 and the driver safety warning apparatus 150 A main processor 154 for comparing and generating an automatic running control and warning control signal, and a memory 155 for storing various data.

More specifically, the signal processing unit 153 receives the acceleration information of the terminal 1000 through the communication unit 151 and receives the acceleration information from the other vehicle sensors 195 included in the vehicle 1. [

In addition, the signal processing unit 153 may calculate the acceleration information received from the plurality of sensors included in the other vehicle sensors 195 included in the vehicle 1 as three-dimensional X, Y, Z axis acceleration values have.

The signal processor 153 performs signal synchronization and interpolation in the main processor 154 to compare the acceleration information of the terminal 1000 with the acceleration information of the vehicle.

In this case, the synchronization of the signals means that the phase or frequency of the signal received from the terminal 1000 is in phase with the acceleration frequency or phase of the vehicle.

In addition, the interpolation of the signal means that the signal received at the terminal 1000 is recovered from being weakened or missing due to compression during reception, attenuation etc. during transmission.

The signal processing unit 153 can have an effect that the comparison between the acceleration information of the terminal 1000 and the acceleration information of the vehicle 1 in the main processor 154 in the main processor 154 is accurate and easy .

Next, the main processor 154 compares the received acceleration information. Specifically, a root sum of square (RSS) value according to Equation (1) is calculated for the acceleration information (x1, y1, z1) in the X axis, Y axis, and Z axis directions received from the terminal 1000.

<Formula 1>

However, here, RSS ₁ is from the terminal 1000 receives the X, Y, means the RSS value of the Z-axis direction and, X1 is of the X-axis direction received from the terminal 1000, the acceleration, Y1 is a terminal 1000 from the The received acceleration in the Y-axis direction, Z1, is the acceleration value in the Z-axis direction received from the terminal 1000. [

The acceleration information (x2, y2, y2) in the X axis, Y axis, and Z axis directions received from the terminal 1000 of the acceleration vehicle in the X axis, Y axis, and Z axis directions of the vehicle received from the other vehicle sensors 195, (root sum sum of squares) according to Equation (2) with respect to z2.

<Formula 2>

Here, RSS ₂ means the RSS values in the X, Y and Z axis directions received from the other vehicle sensors 195 of the vehicle 1, X2 is acceleration in the X axis direction of the vehicle, Y1 is Y Axis direction and Z1 is an acceleration value in the Z-axis direction of the vehicle.

Next, main processor 154 calculates a difference (difference) of the RSS ₁ and ₂ RSS. This is because, when the driver is using the terminal, the difference between the RSS ₁ and the RSS ₂ will greatly appear. Therefore, when the difference appears larger than a preset threshold value (first threshold value) Value), it is determined that the driver has sensed that the terminal 1000 is used.

The main processor 154 then generates a warning signal for the use of the terminal 1000 by the driver. Specifically, the calculated warning signal may allow the driver to check the visual warning through the cluster 191, the HUD 192 included in the vehicle 1, or to perform audible warning have.

In addition, the main processor 154 can prepare the automatic running control such as the speed control through the various electronic devices 100 included in the vehicle 1. For example, Smart Cruise Control (SCC) control, Lane Keeping Assist System (LKAS), and Autonomous Emergency Brake (AEB), which are automatically controlled at the speed set by the driver, May send a control signal to prepare for control.

However, the control unit 152, which will be described later, may mistakenly judge that the driver is using the terminal 1000 in the case of an external shock or a rotation of the vehicle, for example, a left turn, a right turn, And additional control over this can also be performed.

In other words, in a typical case, the main processor 154 according to the present invention calculates a difference between RSS ₁ and RSS ₂ , and when the difference appears larger than a preset threshold value (first threshold value) (Second threshold value), it is determined that the driver senses that the terminal 1000 is used.

However, if the acceleration value obtained through the acceleration sensor received by the other vehicle sensor 195 of the vehicle 1 is detected as a sudden change in the acceleration value over a specific slope, or the steering angle sensor 198 or the yaw rate sensor 197 When an angular velocity obtained through the angular velocity is greater than a specific value, a third threshold value having a difference between RSS ₁ and RSS ₂ larger than a preset threshold value (first threshold value) is detected by detecting the external shock and the rotation of the vehicle , It can be determined that the driver has sensed that the terminal 1000 is used when the accumulated number of times (the second threshold value) is exceeded.

Alternatively, if the acceleration value acquired through the acceleration sensor received by the other vehicle sensor 195 of the vehicle 1 is detected as a sudden change in the acceleration value over a specific gradient, or the steering angle sensor 198 or the yaw rate sensor 197 If the acquired angular velocity through that have reached a specific value and outputs the detection to the rotation of the external impact and the vehicle, in the greater than RSS ₁ and a preset threshold difference between the RSS ₂ (first threshold value) set in advance It can be determined that the driver has sensed that the terminal 1000 is used if the accumulated number of times is greater than the fourth threshold value that is larger than the accumulated number of times (the second threshold value).

At this time, the first threshold value to the fourth threshold value preset in the controller 152 may be preset in accordance with a statistical method to be effective for the driver safety warning according to the present invention.

Next, the memory 155 stores the program and data of the driver's safety warning device 150. [

Specifically, the memory (not shown) may be a volatile memory such as an S-RAM or a D-RAM, as well as a flash memory, a read only memory, an erasable programmable read only memory (EPROM) ), And electrically erasable programmable read only memory (EEPROM).

The non-volatile memory may semi-permanently store a control program and control data for controlling the operation of the driver's safety alarm device 150, and the volatile memory temporarily retrieves control programs and control data from the non-volatile memory, The acceleration of the terminal acquired from the terminal 1000 and the acceleration information of the vehicle acquired by the other vehicle sensor 195 and various control signals output from the main processor.

The configuration of the driver safety warning device 150 according to the present invention has been described above.

Hereinafter, a flowchart of a method of controlling the driver safety warning device 150 according to one embodiment will be described.

As shown in FIG. 6, the driver's safety warning device 150 according to the present invention determines whether the driver is driving while driving the vehicle. Specifically, when the speed of the vehicle received from the speed sensor 199 of the other vehicle sensor 195 included in the vehicle is not zero, the control unit 152 in the driver safety warning device 150 determines whether the vehicle is traveling, .

Next, communication between the vehicle and the terminal should be established (S20). That is, the terminal 1000 and the vehicle 1 can communicate with each other through the wireless communication unit 183 in the communication device 180 of the vehicle 1 so that the accelerations of both can be compared.

Then, the driver safety warning device 150 secures the acceleration information (a) of the terminal from the terminal 1000 (S30). Specifically, this means the acceleration information in the X, Y, and Z axis directions calculated by the terminal 1000 acquired through the communication unit 151.

Then, the driver safety warning device 150 secures the acceleration information b of the vehicle 1 (S40). Specifically, this means acceleration information in the X, Y, and Z axis directions calculated by the other vehicle sensors 195 acquired through the communication unit 151.

Next, the driver safety warning device 150 performs signal synchronization and interpolation (S50). This is performed by the signal processing unit 153 in the control unit 152 so that the comparison between the acceleration information of the terminal 1000 in the main processor 154 and the acceleration information of the vehicle can be facilitated.

Then, the main processor 154 (root sum of square) RSS values for the acceleration information (a) of the terminal (hereinafter, RSS ₁₎ and (root sum of square) RSS for the acceleration information (b) of the vehicle (Hereinafter referred to as &quot; RSS ₂ &quot;) (S60).

Next, the main processor 154 calculates a difference between RSS ₁ and RSS ₂ (S70). At this time, if the calculated difference appears larger than a preset threshold value (the first threshold value) (YES in S70), if it exceeds the preset accumulated number of times (the second threshold value) (YES in S80) , It is determined that the driver senses that the terminal 1000 is being used (S90).

The main processor 154 then transmits a ready signal to the various electronic devices 100 included in the vehicle 1 (S100). For example, the main processor 154 may be arranged to prepare an automatic running control such as a speed control. For example, Smart Cruise Control (SCC) control, Lane Keeping Assist System (LKAS), and Autonomous Emergency Brake (AEB), which are automatically controlled at the speed set by the driver, May send a control signal to prepare for control.

If the difference value between the RSS ₁ and the RSS ₂ calculated by the main processor 154 is smaller than a preset threshold value (the first threshold value) (NO in S70), or if the difference between the calculated RSS ₁ and RSS ₂ When the difference value does not exceed the previously set accumulated number (second threshold value) in the case where the difference value appears larger than the predetermined threshold value (the first threshold value) (YES in S70) (NO in S80) (A) (S30) of the terminal and the acceleration information (b) of the vehicle 1 in real time when the vehicle is running.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the embodiments set forth herein; It will be understood that various modifications may be made without departing from the spirit and scope of the invention.

Claims (9)

A communication unit that receives acceleration information of a terminal by wireless communication and receives acceleration information from a plurality of sensors included in the vehicle; And
If the difference between the acceleration of the terminal and the acceleration of the vehicle is greater than a preset threshold value, the driver senses that the terminal is used, and if the driver senses that the terminal is being used, And a control unit for generating a preparation control signal. The method according to claim 1,
The difference between the acceleration of the terminal and the acceleration of the vehicle
(RSS) of the acceleration sum of squares of the acceleration of the vehicle in the X-axis, Y-axis, and Z-axis directions of the vehicle, Safety warning device. 3. The method of claim 2,
The control unit
And a signal processor for performing synchronization and interpolation between acceleration information of the terminal and acceleration information of the vehicle received from the communication unit. delete The method according to claim 1,
Wherein the automatic travel includes a driver safety alert including any one of Smart Cruise Control (SCC), Lane Keeping Assist System (LKAS), and Autonomous Emergency Brake (AEB) Device. Receiving acceleration information of the terminal by wireless communication;
Receiving acceleration information from a plurality of sensors included in a vehicle;
Performing synchronization and interpolation between the acceleration information of the terminal and the acceleration information of the vehicle;
Calculating a difference between the acceleration of the terminal and the acceleration of the vehicle;
Detecting that the driver is using the terminal if the calculated difference is greater than a preset threshold value; And
Generating an automatic running preparation control signal for the vehicle when the driver senses that the terminal is used; The driver safety warning control method comprising: The method according to claim 6,
Calculating a difference between the acceleration of the terminal and the acceleration of the vehicle;
Calculating an RSS (Root sum of square) of the acceleration sum of squares in the X-axis, Y-axis, and Z-axis directions of the terminal;
(RSS) of the acceleration sum of squares in the X-axis, Y-axis, and Z-axis directions of the vehicle; And
(RSS) of the acceleration sum of squares of the X-axis, Y-axis, and Z-axis directions of the vehicle and the double root of the acceleration sum of squares of the X-axis, Y-axis and Z- Control method. delete The method according to claim 6,
Wherein the automatic travel includes a driver safety alert including any one of Smart Cruise Control (SCC), Lane Keeping Assist System (LKAS), and Autonomous Emergency Brake (AEB) Control method.

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