KR101768858B1 - Apparatus and method for controlling vehicle black box - Google Patents

Abstract

Disclosed are an apparatus and a method for controlling a black box for a vehicle. According to a specific example of the present invention, if a driving region is an area that is not available for receiving a GPS signal or a shadow region, a vehicle speed is detected based on a Y-axis value among three dimensional X, Y, and Z axes values detected from a G sensor to detect whether or not a vehicle is stopped. Then, the black box guides a driver by generating departure information of a precedent vehicle by detecting departure of the precedent vehicle. By detecting whether or not auto calibration of a current advance driver assistance systems (ADAS) is operating, a preset icon and a preset sound message are generated after auto calibrating the current ADAS, and are provided to the driver by using one of a visual method and an acoustic method. In addition, by detecting whether or not the vehicle deviates from a lane, a warning can be sounded.

Description

[0001] APPARATUS AND METHOD FOR CONTROLLING VEHICLE BLACK BOX [

The present invention relates to an apparatus and a method for controlling a black box for a vehicle, and more particularly, to a vehicle black box control apparatus and method for detecting a vehicle speed, an automatic correction of an operator assist system and a lane departure using a G sensor in a shadow area or a non- .

The vehicle black box plays an important role in accurately grasping traffic accidents, and provides information by recording various information such as the speed of the vehicle, the speed of the vehicle, etc. during not only driving, but also parking or stopping.

Recently, a black box for a car has been very interested in preventing unjust victims of traffic accidents and directly helping to arrest the criminals and helping to prevent traffic accidents.

Meanwhile, the ADAS (Advanced Driver Assistance System) of a black box for a vehicle, which is recently provided, performs auto calibration of a black box for a vehicle in consideration of the position, angle, and condition of a black box camera. Auto Calibration of Advanced Driver Assistance System (ADAS) of automobile black box generally completes calibration when driving for more than 30 Km for about 3 minutes after receiving GPS reception.

 However, during the automatic calibration of the ADAS (Advanced Driver Assistance System) of a conventional vehicle black box, an automatic calibration operation of the driver assistance system (ADAS: Advanced Driver Assistance System) is being performed There has often been a dispute between the driver and the manufacturer regarding the normal operation of the vehicle black box during the automatic calibration time.

In view of the above problems, the applicant of the present invention has been able to obtain accurate vehicle speed information in the inaccessible area or shaded area of the GPS, and to provide the driver with the ability to display the operation state of the black box among the ADAS automatic calibration operation .

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a vehicle control system and a control method thereof, in which vehicle speed information is detected using a G sensor in a non- A black box control device for a vehicle, and a method for controlling the same.

It is a further object of the present invention to provide a method and system for preventing the dispute between the manufacturer and the driver occurring during the auto calibration by indicating the completion of the auto calibration with the predetermined icon during the ADAS automatic calibration operation The present invention provides a vehicle black box control apparatus and method.

It is still another object of the present invention to provide a vehicle-use black vehicle in which a lane departure determination is made based on a body three-dimensional X using a G sensor when a lane detection error occurs from an image of a driving road collected through a camera lens, And to provide a box control apparatus and method.

According to an aspect of the present invention,

A GPS receiver for receiving a GPS signal; A G sensor for detecting three-dimensional X, Y, and Z-axis values; A plurality of camera lenses for collecting images of the traveling road and detecting traveling road information; And a black box terminal for receiving and storing an image of a driving road using vehicle speed information and driving road information derived from the GPS signal, wherein the black box terminal is a shaded area of the GPS signal and a non- And detects the vehicle speed information based on three-dimensional X, Y, and Z-axis values supplied from the G sensor.

Preferably, the black box terminal determines whether the driver's assistant system ADAS is under the automatic calibration operation based on the vehicle speed information detected using the G sensor. If the result of the determination is that the auto-calibration ), An icon indicating that the driver's assistant system has been automatically calibrated, and a voice message, and may provide at least one of visual and auditory information to the driver.

Preferably, the black box terminal determines whether the vehicle is stationary based on the vehicle speed information detected from the G sensor

When the vehicle is stopped, the front vehicle is monitored using the road images collected through the plurality of camera lenses, front vehicle start alarm is generated according to the monitoring result, And may be provided to the driver using at least one.

Preferably, the black box terminal determines whether the vehicle is stopped based on vehicle state information (engine RPM information or the like) received through a microphone fixed at a predetermined position. If the vehicle is stopped, The front vehicle departure information (Front Vehicle start alarm) is generated according to the monitoring result, and the generated front vehicle departure information can be provided to the driver by using at least one of visual and auditory.

Preferably, the black box terminal determines whether a lane detection error has occurred based on the image of the driving road received through the camera lens. When the lane detection error occurs, the black box terminal detects three-dimensional X, Y, A lane departure is detected based on a comparison between the X-axis value and a predetermined lane departure determination reference value, and at least one of a warning sound and a warning message for lane departure is generated, And may be provided to the driver using at least one.

In the black box control method for a vehicle according to another embodiment of the present invention using the above-described device, when the driver's side system ADAS is used, (A) determining whether the automatic calibration operation is being performed; And generating at least one of predetermined icons and voice messages indicating completion of the auto-calibration of the driver assistance system after completion of the auto calibration of the driver assistance system to guide the driver using at least one of visual and auditory b).

(C) determining whether the vehicle is stopped if the step (a) is not an auto calibration operation of the driver assistance system ADAS after the step (a). And (d) monitoring the forward vehicle based on the road image collected through the camera lens when the vehicle is stationary, generating the leading vehicle starting information, and guiding the generated leading vehicle starting information to the driver using at least one of visual and auditory .

(E) determining whether a lane detection error has occurred based on a lane included in an image of a road collected through the camera lens after the step (c); (F) detecting a lane departure based on a comparison between an X-axis value of the three-dimensional X, Y, and Z axis values sensed by the G sensor and a predetermined lane departure determination reference value when a lane detection error occurs; (G) generating at least one of a warning sound and a warning message for lane departure when the lane departure is determined and providing the warning sound and warning message generated by the driver to at least one of the time and the hearing .

According to the present invention, when the G sensor is mounted in a black box in a region where the GPS signal can not be received or in a shadow area, the vehicle speed can be calculated using the three-dimensional X, Y, and Z axis values, And it is possible to judge whether the vehicle is stopped or not and whether the ADAS is being automatically calibrated.

According to the present invention, when a lane detection error is generated from an image of a driving road received using a camera lens, in mounting a G sensor in a black box, an X-axis value among three-dimensional X, Y, and Z axis values and a predetermined lane departure The lane departure can be accurately detected based on the comparison with the judgment reference value.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further understand the technical idea of the invention. And should not be construed as limiting.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing a configuration of a control apparatus for a vehicle black box according to an embodiment of the present invention. FIG.
2 is a diagram showing a detailed configuration of a black box terminal of a control apparatus for a vehicle black box according to an embodiment of the present invention.
3 is a graph showing three-dimensional X, Y, and Z axis values using a G sensor of a controller for a vehicle black box according to an embodiment of the present invention.
4 is a diagram illustrating a screen of a control apparatus for a vehicle black box according to an embodiment of the present invention.
5 is a flowchart illustrating a control process of a vehicle black box according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . When an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

Hereinafter, a circuit service method according to an embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a diagram illustrating a configuration of a vehicle black box control apparatus according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating a detailed configuration of a black box terminal shown in FIG. Referring to FIGS. 1 and 2, a vehicle black box control apparatus according to an embodiment of the present invention includes three-dimensional X, Y, and Z sensors, which collect vehicle speed information generated in a non- The G sensor 200, and the G sensor 200. The G sensor 200 detects the lane departure of the vehicle by determining whether the vehicle is stopped, whether the ADAS of the vehicle black box is automatically calibrated, , A plurality of camera lenses 300, and a black box terminal 400. [

The GPS receiver 100 can derive the vehicle speed information of the vehicle based on a GPS signal received at a preset time period from a GPS (global positioning system) satellite via a GPS signal reception antenna provided at a predetermined position outside the vehicle.

The GPS receiver 100 is a device for acquiring the position of a vehicle. According to the current technology, the GPS receiver 100 calculates distance information and accurate time information from three or more satellites, and then applies trigonometry to the calculated information , It is possible to accurately calculate the three-dimensional current location information according to latitude, longitude, and altitude. At present, a method of calculating position and time information using three satellites and correcting an error of position and time information calculated using another satellite is widely used. Also, the GPS receiver 100 can calculate the current speed information of the vehicle by continuously calculating the present position of the vehicle in real time.

The G sensor 200 is installed at a predetermined position in the vehicle and senses an inertial force acting in a specific direction of the vehicle body to measure three-dimensional X, Y, and Z axis values and gravity. , And a Z-axis value can be detected.

The G sensor 200 detects the stop of the vehicle in the area where the GPS signal can not be received or the shade area, the lane departure detection of the vehicle when the lane detection error occurs in accordance with the weather environment, and the ADAS automatic calibration of the vehicle black box , Vehicle speed detection, and the like.

On the other hand, a plurality of camera lenses 300 provided at predetermined positions inside or outside the vehicle can acquire driving road information, which is an image of a road underway, and the running road information includes lane information of the road on which the vehicle is traveling, The lane detection error can be detected based on the traveling road information received through the lens 300. [

The vehicle speed information of the GPS receiver 100, the three-dimensional X, Y and Z axis values of the G sensor 200, and the traveling road information of the camera lens 300 are transmitted to the black box terminal 400 located at a remote place do. The black box terminal 400 is provided at a predetermined position in the vehicle, and can receive the vehicle speed information, the three-dimensional X, Y, and Z axis values, and the running road information through a wired or wireless communication network.

The black box terminal 400 receives at least one of three-dimensional X, Y, and Z axis values of the G sensor 200 and vehicle speed information of the GPS receiver 100, A display module 420 for displaying a rear image and a forward image of the traveling road processed by the control module 410 on the screen, A storage module 430 for recording video and audio of a driving road of the module 410 in a predetermined area and a speaker 440 for outputting an audio signal processed by the control module 410.

The control module 410 detects the vehicle speed based on the three-dimensional X, Y, and Z-axis values received from the G sensor 200 when an error occurs in the vehicle speed information due to the shaded area or the unreceivable area of the GPS signal, Based on the vehicle speed, it is possible to determine whether the vehicle is stopped or whether the ADAS of the vehicle black box is operated for auto calibration.

A series of processes for deriving the vehicle speed information based on the three-dimensional X, Y and Z axis values of the G sensor 300 generally derives the vehicle speed from the three-dimensional X, Y, and Z axis values of the G sensor 300 Which is the same or similar to the general procedure. Here, the three-dimensional X, Y, and Z-axis values can be changed according to the G sensor installation condition

3 is a graph showing the three-dimensional X, Y, and Z axis values received from the G sensor 200 in the control module 410 of FIG. 2. Referring to FIG. 3, the control module 410 controls the G sensor 200 (A), Y axis value among the three-dimensional X, Y, and Z axis values received from the X axis, Y axis, and Z axis.

The control module 410 monitors the forward vehicle using the captured image through the camera lens 300, generates front vehicle start alarm information, and outputs the generated front vehicle departure information to the display module 420 or the speaker (440) to provide the driver with the departure of the preceding vehicle.

In addition, the control module 410 determines the vehicle speed of the vehicle black box It is possible to determine whether the ADAS automatic calibration operation is in progress and deliver the predetermined icon or voice message indicating that the ADAS automatic calibration has been completed to the display module 420 or the speaker 440 according to the determination result.

The control module 410 receives the image provided through the camera lens of the image receiver 300 whose zoom length is controlled by the illuminance varying according to the environment of the road, extracts the dynamic image, To the display module 420, processes the dynamic image and the audio to be simultaneously stored, and transmits the processed dynamic image and audio to the storage module 430.

In addition, the control module 410 determines whether a lane detection error has occurred based on the image of the driving road received through the camera lens according to the weather conditions. If the lane detection error occurs, It is possible to determine lane departure according to the vehicle lateral variation and the lateral variation of the vehicle based on the comparison of the X axis value among the three-dimensional X, Y, and Z axis values and the predetermined lane departure determination reference value. The control module 410 generates a warning sound and a warning message when the lane departure is determined as a result of the determination, and transmits the generated warning sound and warning message to the driver through the speaker 440 and the display module 420.

FIG. 4 is a view illustrating an icon generated by the control module 410 shown in FIG. 2. Referring to FIG. 4, the display module 420 displays a lane departure, a front collision, Can be recognized directly.

The audio signal received through the microphone 411 is processed through the control module 410 and then transmitted to the storage module 430 for recording and output through the speaker 440.

In the exemplary embodiment of the present invention, the control module 410 is provided to detect the vehicle speed based on the three-dimensional X, Y, and Z axis values received via the G sensor 200 for convenience of explanation, (RPM or the like) information received through the driver 411, and may determine whether the vehicle is stopped or not based on the number of revolutions of the vehicle.

The storage module 430 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) , A random access memory (SRAM), a read only memory (ROM), an electrically erasable programmable read only memory (EEPROM), a programmable read only memory (PROM) , An optical disc, and the like. In addition, the storage module 430 may operate in conjunction with a web storage that performs the private storage function on the Internet.

The control module 410 may be implemented with one or more processors operating according to a set program, and the set program is one that is programmed to perform each step of the vehicle speed detection method using the G sensor according to the embodiment of the present invention . The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, microcontrollers, microprocessors, and electrical units for performing other functions.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language.

In this embodiment of the present invention, when the G sensor is mounted on the vehicle in the case where the GPS signal can not be received or the shadow area, the vehicle speed can be calculated using the three-dimensional body X, Y, and Z axis values, Based on the information, it is possible to judge whether the vehicle is stopped or whether the ADAS automatic calibration has been completed.

In another embodiment of the present invention, when a lane detection error is generated from an image of a driving road received using a camera lens, a G sensor is mounted on a vehicle, The departure can be accurately detected.

In the embodiment of the present invention, the vehicle speed is detected using the G sensor in the case of the GPS signal shadow area or the unreceivable area. However, various sensors such as a tilt sensor, an ultrasonic sensor, and a vision sensor May be used to detect the vehicle speed.

In the embodiment of the present invention, for the sake of convenience of explanation, a series of processes for detecting lane departure is to determine whether a lane detection error has occurred in an image received through a camera lens in a region where a geosynthesis signal can be received, , Y, and Z-axis values and a predetermined lane departure determination reference value, the lane departure detection is performed based on the comparison between the X value and the predetermined lane departure determination reference value. However, in the case where the L / The X-axis value among the three-dimensional X, Y, and Z axis values of the vehicle supplied from the G sensor at the time of detecting the vehicle speed may be detected by comparing the X-axis value and the predetermined lane departure determination reference value.

FIG. 5 is a flowchart illustrating an operation process of the control module shown in FIG. 1. Referring to FIG. 3, a vehicle black box control process according to another embodiment of the present invention will be described.

First, the control module 410 judges that the GAS S / S signal is in the shadow area or the non-receivable area when the G / F signal is not received from the G / F receiver 100, and outputs the three-dimensional X, Y, (S1, S3, S5, S7) based on the received three-dimensional X, Y, and Z axis values.

The control module 410 generates an icon indicating that the vehicle is stationary when the vehicle is stationary based on the vehicle speed information and delivers the generated icon to the driver using at least one of the time and the hearing and uses the road image received through the camera lens (Step S9, step S11, step S13). In step S9, the controller 10 generates the next vehicle departure information by sensing whether the preceding vehicle is departing or not.

The control module 410 then acquires images of the roads that are received through the camera lens 300 (S15) when a geSizes signal is received from the geoflex receiver 100 in step S3.

The control module 410 then performs automatic calibration of the ADAS, determines whether the ADAS automatic calibration is in operation, and displays an icon and voice message indicating that the ADAS automatic calibration has been completed after the ADAS automatic calibration has been completed And transmits it to the display module 420 and the speaker 440. The display module 420 displays that the ADAS automatic calibration has been completed (S17, S19).

Then, the control module 410 determines whether a lane detection error included in the traveling road information has occurred, and receives the three-dimensional X, Y, and Z axis values supplied from the G sensor 200 in the lane detection error And detects a lane departure, generates a warning sound when a lane departure is detected, and transmits a warning sound to the driver through the speaker 440 (S21, S23, S25, S27).

 That is, based on the comparison between the X-axis value among the three-dimensional X, Y, and Z-axis values of the G sensor 200 and the predetermined lane departure determination reference value, the control module 410 determines lane departure, A warning message can be generated.

In the embodiment of the present invention, for the sake of convenience of explanation, a series of processes for detecting lane departure is to determine whether a lane detection error has occurred in an image received through a camera lens in a region where a geosynthesis signal can be received, , Y, and Z-axis values and a predetermined lane departure determination reference value, the lane departure detection is performed based on a comparison between the X value and the predetermined lane departure determination reference value. However, When detecting the vehicle speed using the G sensor, the lane departure can be detected only by comparing the X axis value among the three-dimensional X, Y, and Z axis values of the vehicle supplied from the G sensor and the predetermined lane departure determination reference value.

Accordingly, according to the embodiment of the present invention, the vehicle speed is detected based on the body X-axis, X-axis, and Z-axis values supplied from the body G sensor 200 sensed by the G sensor, Stop mode, detects the current ADAS Auto calibration operation, generates a preset icon and voice message after completing the Auto calibration of the current ADAS, and transmits it to the display module. And may generate at least one of a warning sound and a warning message.

The vehicle speed is detected based on the three-dimensional body X-axis, X-axis, and Z-axis values supplied from the body G sensor 200 sensed by the G sensor in the case where the above- After detecting the current ADAS Auto calibration operation, it generates a preset icon and voice message after completing the Auto calibration of the current ADAS and sends it to the display module, The G sensor 200, the plurality of camera lenses 300, and the black box terminal 400. In this case, each of the steps of detecting the presence / Detailed abstraction is omitted.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

In the case of a zone where the GPS signal can not be received or a shadow area, the vehicle speed is detected on the basis of the three-dimensional X, Y, and Z axis values sensed by the G sensor to detect whether the vehicle is stationary, Information is generated and the driver is informed to detect the completion of the automatic calibration of the current ADAS to generate a predetermined icon and a voice message after completing the auto calibration of the current ADAS to detect at least one of visual and auditory The black box control apparatus and method for a vehicle which generates a warning sound by detecting whether or not the vehicle is departing from the lane and can provide a great improvement in terms of operation accuracy and reliability and further in terms of performance efficiency, Not only the possibility of sales to the company is sufficiently This is an invention that is industrially applicable.

Claims (8)

A GPS receiver for receiving a GPS signal;
A G sensor for detecting three-dimensional X, Y, and Z-axis values;
A plurality of camera lenses for collecting images of the traveling road and detecting traveling road information; And
And a black box terminal for receiving and storing an image of a driving road using vehicle speed information and driving road information derived from the GPS signal,
The black box terminal,
Detecting the vehicle speed information based on the three-dimensional X, Y, and Z-axis values supplied from the G sensor in the case of the shaded area and the unreceivable area of the GPS signal,
Determines whether a lane detection error has occurred based on the image of the traveling road received through the camera lens,
A lane departure detection unit for detecting a lane departure based on a comparison between an X axis value and a predetermined lane departure determination reference value among the three-dimensional X, Y, and Z axis values sensed by the G sensor when a lane detection error occurs,
And generating a warning sound and a warning message generated by generating at least one of a warning sound and a warning message for lane departure, and providing the generated warning sound and warning message to the driver using at least one of visual and auditory.
The black box terminal according to claim 1,
It is determined whether the vehicle is in the auto calibration operation of the driver assistance system ADAS based on the vehicle speed information detected using the G sensor
And generating at least one of an icon and a voice message indicating completion of the auto calibration of the driver assistance system after completion of the auto calibration of the driver assistance system to provide the driver with at least one of visual and auditory information To-vehicle black box control device.
The black box terminal according to claim 1,
It is determined whether the vehicle is stationary based on the vehicle speed information detected from the G sensor
When the vehicle is stopped, the front vehicle is monitored using the road images collected through the plurality of camera lenses, front vehicle start alarm is generated according to the monitoring result, Wherein the control unit is provided to the driver using at least one of the plurality of control signals.
The black box terminal according to claim 1,
Determines whether the vehicle is stopped based on vehicle state information (RPM or the like) received through a microphone fixedly installed at a predetermined position,
When the vehicle is stopped, the front vehicle is monitored using the road images collected through the plurality of camera lenses, front vehicle start alarm is generated according to the monitoring result, Wherein the control unit is provided to the driver using at least one of the plurality of control signals.
delete (A) judging whether the vehicle is in the auto calibration operation of the driver assistance system ADAS of the vehicle black box on the basis of the vehicle speed information detected by using the G sensor in the case of one of the GPS signal shaded area and the unreceivable area ; And
After the completion of the auto calibration of the driver assistance system, at least one of predetermined icons and voice messages indicating that the automatic assistance of the driver assistance system is completed is generated and the driver is informed by using at least one of visual and auditory ) step;
(E) determining whether a lane detection error has occurred based on the lane included in the image of the road collected through the camera lens;
(F) detecting a lane departure based on a comparison between an X-axis value of the three-dimensional X, Y, and Z axis values sensed by the G sensor and a predetermined lane departure determination reference value when a lane detection error occurs; And
(G) generating at least one of a warning sound and a warning message for lane departure when the lane departure is determined, and providing the generated warning sound and warning message to the driver using at least one of visual and audible signals The black box control method for a vehicle.
7. The method of claim 6, wherein step (a)
(C) determining whether the vehicle is stationary when the vehicle is not in the automatic calibration operation of the driver assistance system ADAS; And
(D) monitoring the forward vehicle based on the road image collected through the camera lens when the vehicle is stationary, generating the leading vehicle starting information, and guiding the generated leading vehicle starting information to the driver using at least one of visual and auditory The black box control method comprising:


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