KR101947473B1 - Apparatus and method of support safe driving considering rear vehicle - Google Patents

Abstract

The present invention relates to a safe driving support apparatus considering a rearward vehicle, which includes a rear display, a rear radar which tracks the distance between the rear vehicle and detects whether the tracked distance has reached a reference distance within a predetermined time, A rear warning processor for generating warning contents for the rear display and displaying the warning contents to the vehicle control server when the rear vehicle exists within the reference distance even after the warning contents are displayed; .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a safe driving support apparatus,

The present invention relates to a technology for assisting safe driving, more particularly, to a driver of a rear vehicle that does not observe an inter-vehicle distance, recommends maintenance of the inter-vehicle distance and supports automatic reporting to prevent an accident caused by a threat operation or careless driving And more particularly, to a safety driving support apparatus and method considering a rear vehicle.

Vehicle safety driving support technology is being developed to provide the driver with an environment for recognizing the dangerous situation when the risk is detected in the vehicle and for reporting the other vehicle through a more convenient user interface. The prior art can report a forward vehicle by transmitting driving information of a forward vehicle or a captured image of a black box to a reporting agency when a traffic regulation violation of a forward vehicle is detected. However, such conventional techniques are difficult to respond to situations in which the violation of traffic regulations is difficult to be clearly detected, such as retaliatory driving or threat driving, and it is difficult to transmit a clear warning message to the opponent vehicle. It has a difficult limit.

Korean Patent Laid-Open Publication No. 10-2016-0041505 (published on Apr. 18, 2016) discloses a control method of a speed violation reporting system for a vehicle, which comprises a step of recognizing information on a traveling road using a current position of the vehicle and pre- An image pickup section for photographing a vehicle ahead of the vehicle and an absolute velocity of the preceding vehicle from the calculated distance between the vehicle and the preceding vehicle from the calculated distance between the vehicle and the preceding vehicle, And transmits the running information of the preceding vehicle to a predetermined reporting organization when the calculated absolute speed exceeds the limit speed of the running road.

Korean Patent Laid-Open Publication No. 10-2014-0128837 (published on Apr. 11, 2014) discloses an image processing apparatus for a vehicle and an information providing method using the image processing apparatus. The image processing apparatus analyzes a recorded image of a black box and extracts vehicle information The present invention provides a vehicle image processing apparatus and a method of providing information using the same, which can transmit a recorded image to a server and utilize the recorded image as evidence for a surrounding situation.

1. Korean Patent Publication No. 10-2016-0041505 (published on April 18, 2016) 2. Korean Unexamined Patent Publication No. 10-2014-0128837 (published November 11, 2014)

One embodiment of the present invention is to provide a safe driving support device considering a rear vehicle that can recommend a driver of a rear vehicle that does not observe an inter-vehicle distance to maintain an inter-vehicle distance and can prevent an accident caused by a threat operation or an inadvertent operation, Method.

An embodiment of the present invention is to provide an apparatus and a method for supporting a safe driving considering a rear vehicle that supports a safe driving by calculating a risk of collision between rear vehicles and supporting temporal automatic or manual control of the vehicle.

Among the embodiments, the safe driving support apparatus considering the rear vehicle includes a rear display, a rear radar which tracks the distance between the rear vehicles so as to detect whether the tracked distance is within a reference distance for a specific time, A rear warning processing unit for generating warning contents and displaying the warning contents on the rear display and a vehicle surrounding condition providing unit for generating and providing the vehicle surrounding server information to the vehicle control server if the rear vehicle exists within the reference distance even after the warning contents are displayed .

The rear radar may further track the speed difference between the rearward vehicles if the tracked distance has been reached within a reference distance for a specific time to further detect whether the speed difference has reached within the reference speed difference.

The rear warning processing unit may generate subsequent warning contents for warning of the risk of collision toward the rear vehicle if the speed difference is within the reference difference and display the warning contents on the rear display following the warning contents.

The safe driving support device considering the rear vehicle further includes a rear camera for generating an image related to the rear vehicle, and the vehicle surrounding situation providing unit may include information on a distance between the rear vehicle traced before and after display of the warning content, And may generate the vehicle circumstance information including the moving image or the still image extracted from the image.

The vehicle circumstance provision unit analyzes the tracked distance to determine whether the vehicle is in violation of the traffic regulations of the rear vehicle, and if so, provides the generated vehicle circumstance information to the vehicle control server, and if not, Lt; / RTI >

The vehicle circumstance providing unit may tag at least one tag information at at least one specific time point associated with arrival within the reference distance of the tracked distance in the image.

The vehicle circumstance providing unit may generate the moving image from the image by determining the start and end points of the image extraction based on the tagged at least one tag information or may determine the specific point in time to generate the still image.

The safe driving support apparatus considering the rear vehicle may further include a control unit for calculating a collision risk based on a difference in speed between the tracked distance and the rear vehicle and determining whether to control the vehicle based on the collision risk .

The control unit may analyze the circumference of the vehicle when the risk of collision exceeds a reference risk, and may request the vehicle to temporarily perform automatic control at a direction and a speed at which the vehicle greatly reduces the risk of collision.

The controller analyzes the circumference of the vehicle when the collision risk exceeds the reference risk, and transmits the direction and speed of the driver to the driver through the speaker installed in the vehicle so as to perform manual control at a direction and a speed at which the driver largely lowers the collision risk. Lt; / RTI >

Wherein the vehicle surroundings providing unit tracks the lane keeping state of the rear vehicle through the rear radar until the tracked distance reaches the first reference distance or more before the second reference distance is longer than the first reference distance, It is possible to analyze the running state of the rear vehicle.

The vehicle circumstance providing unit may determine whether the driving state of the rear vehicle corresponds to an abnormal state including a threat driving state, a drinking driving state, and an inadvertent driving state based on the tracked distance and the lane keeping state.

If it is determined that the vehicle is in the abnormal state, the vehicle circumstance provision unit may provide a voice message recommending at least one of provision of the vehicle circumstance information through the speaker installed in the vehicle, caution driving of the rear vehicle, and avoiding driving to another lane Can be output.

If it is determined that the vehicle is in the abnormal state, the vehicle-surrounding situation providing unit may provide information about the vehicle surroundings to the windshield of the vehicle through a head-up display installed inside the vehicle, It is possible to project at least one of the icons representing each of them.

The rear warning processing unit may include at least one of the current speed and acceleration of the vehicle, the presence of a vehicle problem, and the presence or absence of a sick passenger in the warning content.

Among the embodiments, the safe driving support method considering the rear vehicle is performed by the safe driving support device including the rear display and the rear radar. The safe driving support method considering the rear vehicle may include the steps of tracking the distance between the rear vehicles through the rear radar and detecting whether the tracked distance has reached a reference distance within a predetermined time, And displaying the warning content on the rear display; and generating a surrounding situation information about the vehicle if the rear vehicle exists within the reference distance even after the warning content is displayed, and providing the surrounding situation information to the vehicle control server do.

The disclosed technique may have the following effects. It is to be understood, however, that the scope of the disclosed technology is not to be construed as limited thereby, as it is not meant to imply that a particular embodiment should include all of the following effects or only the following effects.

The apparatus and method for safe driving considering a rear vehicle according to an embodiment of the present invention recommends that a driver of a rear vehicle that does not observe an inter-vehicle distance maintain the inter-vehicle distance and supports automatic reporting, Can be prevented.

An apparatus and method for safe driving support considering a rear vehicle according to an embodiment of the present invention calculates a risk of collision between rear vehicles and supports temporary driving control or manual control of the vehicle to support safe driving.

1 is a view for explaining a safe driving support system according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating the safe driving support device shown in FIG. 1. FIG.
FIG. 3 is a flowchart illustrating a safe driving support process in which the safe driving support device shown in FIG. 1 tracks a distance between rear vehicles, recommends safe driving of the rear vehicle, and performs automatic notification if the distance is not observed.

The description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.

Meanwhile, the meaning of the terms described in the present application should be understood as follows.

The terms " first ", " second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It is to be understood that the singular " include " or " have " are to be construed as including the stated feature, number, step, operation, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

In each step, the identification code (e.g., a, b, c, etc.) is used for convenience of explanation, the identification code does not describe the order of each step, Unless otherwise stated, it may occur differently from the stated order. That is, each step may occur in the same order as described, may be performed substantially concurrently, or may be performed in reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present application.

1 is a view for explaining a safe driving support system according to an embodiment of the present invention.

Referring to FIG. 1, the safe driving support system 100 includes a safe driving support device 110 considering a rear vehicle, a vehicle control server 120, and a user terminal 130, which can be connected.

A safe driving support device (hereinafter referred to as a safe driving support device) 110 considering a rear vehicle is a computing device provided in a vehicle, and may be implemented as an AVN (Audio Video Navigation) or a black box for a vehicle in one embodiment. In one embodiment, the safe driving support device 110 may be connected to the vehicle control server 120 via a wireless network. In one embodiment, the secure driving support device 110 may be connected to the user terminal 130 via a local area network and may be paired with the user terminal 130 via, for example, Bluetooth.

The vehicle control server 120 corresponds to a computing device that can be connected to the safe driving support device 110 via a wireless network. In one embodiment, the vehicle control server 120 may correspond to a server that is integrally operated by a government agency and receives reports on violations of traffic regulations, receives information on the surroundings of the vehicle from the safe driving support device 110 It is possible to process the report reception based on the situation information of the vehicle.

The user terminal 130 may be a mobile handheld computing device, for example, a tablet PC or a smart phone. In one embodiment, the user terminal 130 may be paired with the safe driving support device 110 via Bluetooth.

FIG. 2 is a block diagram illustrating the safe driving support device shown in FIG. 1. FIG.

2, the safe driving support apparatus 110 includes a rear display 210, a rear radar 220, a rear warning processing unit 230, a vehicle circumstance providing unit 240, a rear camera 250, 260).

The rear display 210 corresponds to a display unit capable of visualizing the data received from the rear warning processing unit 230 or the control unit 260. In one embodiment, the rear display 210 is implemented as a display of a light emitting diode (LED), a liquid crystal display (LCD), or an organic light emitting diode (OLED) And may be disposed within a specific distance from the lower end of the rear window, and may be installed to be transversely crossed. In another embodiment, the display may be implemented as a transparent or translucent flexible display and installed inside the rear window of the vehicle.

The rear radar 220 tracks the distance between the rear vehicles so as to detect whether the tracked distance has reached a reference distance for a specific time. More specifically, the rear radar 220 can measure the distance from the rear of the vehicle to the head of the rear vehicle following the vehicle, measure the distance between the rear vehicles, (For example, 1 second) while tracing the distance between the rear vehicle and detecting whether or not it is confirmed to have the inter-vehicle distance within the reference distance (for example, 80 m) during the specific time can do. In one embodiment, the rear radar 220 can be implemented with a radar (Radio Detecting And Ranging) (RaDAR) capable of measuring the inter-vehicle distance between the rear vehicles using reflection of laser light. In one embodiment, the rear radar 220 may measure the distance from the head of the vehicle to the rear of the preceding vehicle to further measure the inter-vehicle distance from the preceding vehicle in front of the vehicle.

Here, the specific time can be set by the designer or the user, and the reference distance can be set based on the safety distance reference in the traffic regulations. In one embodiment, the backward radar 220 can determine the reference distance based on the current speed of the vehicle and the reference distance application table relating to the safety distance on the traffic regulations according to the road type, (For example, a highway) currently recognized through the vehicle's current speed (for example, 80 km / h) and the vehicle's GPS (Global Positioning System) Can be applied.

In one embodiment, the rearward radar 220 may determine a reference distance that includes the margin in accordance with user settings, for example, the amount of a certain percentage (e.g., 10%) of the safety distance on the traffic regulations, ) Or negative (-) margin can be determined as the reference distance. In another embodiment, the rearward radar 220 may adjust the reference distance further considering the road characteristics, for example, if the current position of the vehicle is associated with a traffic accident attention period, (For example, 20%) to reduce the reference distance, and if the traffic congestion period is related to the slow-motion period or the slow-down period, the reference distance may be adjusted to be higher by adding the specific ratio (for example, 20%).

The rear warning processor 230 then generates alarm content for the rear vehicle and displays it on the rear display 210 (if the tracked distance has been reached within a reference distance for a certain time). For example, if the distance between the backward vehicles is within a reference distance of 80 m for a specific time of 10 seconds while driving the highway at 80 km / h, the backward warning processing unit 230 outputs warning contents (for example, Can maintain the safe distance ') through the rear display 210.

The rear radar 220 may further track the speed difference between the rear vehicles if the tracked distance has been reached within a reference distance for a specific time to further detect whether the speed difference has reached within the reference speed difference. In one embodiment, the rear radar 220 can further measure the speed difference between the present vehicle and the rearward vehicle. For example, the rear radar 220 can detect a speed difference (i.e., a speed difference) between the present vehicle and the rear vehicle in a situation where the distance between the rear vehicle is 50 meters, which is shorter than 80 meters, It can be further detected whether the speed of this vehicle - the speed of the rear vehicle) has a negative area or has a value smaller than the value of a certain negative (-)

The rear warning processing unit 230 may generate subsequent warning contents warning of the risk of collision toward the rear vehicle if the speed difference is within the reference difference, and display the warning contents on the rear display 210 following the warning contents. For example, when the backward alarm processing unit 230 detects that the speed difference between the present vehicle and the rearward vehicle is in a negative range, the rearward radar 220 determines that the rearward vehicle is approaching quickly, (For example, " reduce risk of collision! Speed down ") that recommends lowering the speed of the vehicle.

That is, the rear warning processing unit 230 can determine the display of the primary warning content according to the first process of tracking the distance between the rear vehicles through the rear radar 220 to determine the necessity of warning regarding the maintenance of the headway distance , The display of the secondary subsequent alert content may be determined according to a second procedure that further tracks the speed difference between the backward vehicles to determine the need for warnings about the crash hazard situation.

In one embodiment, the rear warning processing unit 230 may include at least one of the current speed and acceleration of the vehicle, the presence of a vehicle problem, and the presence or absence of the elderly person in the warning content. In one embodiment, the rear warning processor 230 may be configured to 'maintain a safe distance'. Current speed of 100 km / h, speed decelerating, child boarding 'can be generated as warning contents and displayed on the rear display 210.

In one embodiment, the rear-warning processor 230 may display the pre-prepared warning content on the rear display 210 regardless of the distance between the rear vehicles based on the user input. For example, the rear warning processing unit 230 can immediately receive the touch input of the user associated with the rear warning through the separate input / output unit, and accordingly, You can provide a warning message "Please drive safely" to the rear. The content of the message reflected in the warning content can be changed by the user.

The vehicle circumstance providing unit 240 generates the vehicle circumstance information and provides it to the vehicle control server 120 if the rear vehicle exists within the reference distance even after the warning content is displayed. In one embodiment, the vehicle-proximity situation providing unit 240 may include information on the distance between the backward vehicles traced before and after the display of the warning content, and information on the distance between the backward vehicle and the moving- Vehicle environment information including the vehicle environment information. In one embodiment, the vehicle perimeter situation information may further include at least one of a vehicle identifier associated with the vehicle, GPS position information, and images generated through front and side cameras (not shown). Here, the vehicle identifier may correspond to the vehicle number of the corresponding vehicle.

In one embodiment, the vehicle circumstance providing unit 240 may provide the vehicle control server 120 with vehicle circumstance information under the approval of the user, in accordance with the setting of the user. The vehicle circumstance providing unit 240 may further receive a user's selection input related to the kind of report reception (for example, threat operation) in the process of receiving the user input associated with the approval of the user, It is possible to transmit the vehicle circumstance information to the vehicle control server 120, which further includes the kind of the report receipt determined according to the request.

In one embodiment, the vehicle circumference conditioner 240 analyzes the tracked distance to determine whether the vehicle is in violation of the traffic regulations of the rear vehicle, and if so, provides the generated vehicle circumstance information to the vehicle control server 120, If not, to the user terminal 130 connected via Bluetooth. For example, when the rear vehicle exists within the reference distance after the warning content is displayed, the reference distance applied in the tracking process through the rear radar 220 corresponds to the reference distance on the traffic regulations The controller 120 provides the generated vehicle circumstance information to the vehicle control server 120. If the reference distance applied in the tracking process does not correspond to the reference distance in the traffic regulation and conforms to the legal safety distance And may transmit the generated circumstance information of the vehicle to the user terminal 130 when analyzed.

The vehicle circumference conditioner 240 detects at least one tag information at at least one specific point associated with arrival within a reference distance of the distance traced through the backward radar 220 from the image generated through the rear camera 250 It can be tagged. For example, the vehicle circumstance providing unit 240 may tag the tag information associated with the 'headway distance uncertainty' at a point of time when the generation of the warning content is decided on the corresponding image.

The vehicle circumstance providing unit 240 may generate a moving image from the corresponding image by determining the start and end points of the image extraction based on at least one tagged tag information, or may determine a specific time point to generate a still image. For example, the vehicle circumstance providing unit 240 may determine the first tag information tagged at the time of generation of the alert content in the corresponding image as the start time of the image extraction, The second tag information can be determined as the end point of the image extraction and the moving image having the metadata associated with the 'headway distance uncertainty' can be generated by replicating the image of the section between the start point and the end point in the image, The generated moving picture can be included in the surrounding situation information of the corresponding vehicle.

The vehicle circumferential conditioner 240 tracks the lane keeping state of the rear vehicle through the rear radar 220 until the tracked distance is within the first reference distance and before it is confirmed to be equal to or longer than the second reference distance Thereby analyzing the running state of the rear vehicle. In one embodiment, the vehicle circumferential conditioner 240 analyzes the motion of the rear vehicle around the adjacent lane through the rear radar 220 to determine the lane keeping state of the rear vehicle as a steady state, It can be judged to be one of a weak carelessness and a severe carelessness.

The vehicle surrounding situation providing unit 240 determines whether the traveling state of the rear vehicle corresponds to the abnormal state including the threat traveling, drinking traveling and careless traveling based on the distance tracked by the rearward radar 220 and the lane keeping state Can be determined. In one embodiment, the vehicle condition supply unit 240 may determine that the vehicle is in a threat state when the distance covered is a first distance (for example, a very short distance) and the lane keeping state is normal or weak. If the driver is in the careless state with a severe maintenance state, it can be determined that the driver is driving alcohol. If the driver is in a careless state where the lane keeping state is weak at the second distance (slightly short distance)

If the driving state of the vehicle in the vicinity of the vehicle is judged to be in an abnormal state, the vehicle surrounding situation providing unit 240 provides information on the state of the surroundings of the vehicle through a speaker (not shown) provided inside the vehicle, A voice message recommending at least one of the avoiding operation of the mobile terminal 100 and the mobile terminal 100 can be output. In one embodiment, the perimeter conditioner 240 may preferentially present a particular voice message based on a driver preference predetermined by the user.

If the running state of the rear vehicle is determined to be in an abnormal state, the vehicle surrounding situation providing unit 240 may provide information about the surrounding state of the vehicle to the windshield of the vehicle through a head-up display (not shown) It is possible to project at least one of the icons symbolizing the driving of the vehicle and the avoiding operation to the other lane, respectively. In one embodiment, the vehicle surroundings provider 240 may preferentially present a particular icon based on a driver preference pre-specified by the user.

The vehicle circumstance providing unit 240 outputs a specific voice message associated with the speaker according to the driving state of the threat operation, the drinking operation or the careless driving judged with respect to the rear vehicle, or outputs the specific icon associated therewith through the head- Can be output. For example, the vehicle conditioner 240 may output a voice message or an icon recommending the reception of the report through the provision of the circumstance information of the vehicle and the avoidance of driving to the other lane, if it is determined that the vehicle is a threat.

The rear camera 250 may generate an image related to the rear vehicle. In one embodiment, the rear camera 250 may be implemented as a black box for a vehicle, and may include a rear portion of the vehicle through at least one camera module installed in the interior of the vehicle, and may include a predetermined region in at least one of the front, left, More images can be obtained. In another embodiment, the rear camera 250 may be implemented with a rear camera for a vehicle to capture an area within a certain viewing angle in the rear, for example, a CMOS (Complementary Metal-Oxide Semiconductor) The image of the vehicle behind the vehicle can be generated by being installed within a predetermined distance from the trunk handle of the vehicle. In one embodiment, the rear camera 250 may capture images 24 hours a day while power is being supplied, only images captured while the power is turned on, or may start imaging if there is a user request, depending on user settings. The rear camera 250 may store an image generated in accordance with the imaging in a memory module implemented as a nonvolatile memory.

The control unit 260 may determine the collision risk based on the tracked distance and the speed difference between the backward vehicle and the vehicle based on the collision risk. In one embodiment, the control unit 260 can calculate the collision risk based on the speed of the vehicle, the speed of the front and rear vehicle measured through the rear radar 220, and the distance between the front and rear vehicles. In one embodiment, the control unit 260 may calculate the collision risk r based on the following Equation 1, and if the calculated collision risk r exceeds a predetermined reference risk value (for example, 2) The current state can be judged to be a high-risk collision state. In one embodiment, the reference risk value may be determined differently based on road information (e.g., by highway, public road, or congestion) associated with the current location information of the vehicle, Lt; / RTI >

[Equation 1]

(Wherein, v ₀ is the mean speed (km / h) of the vehicle, v _f refers to the speed (km / h) of the preceding vehicle and, vr means a speed (km / h) of the rear vehicle , d _f means the distance between the front vehicles (m), and d _r means the distance (m) between the rear vehicles)

In one embodiment, the control unit 260 can analyze the circumference of the vehicle when the risk of collision exceeds a reference risk, and request the vehicle to temporarily perform automatic control at a direction and a speed at which the vehicle greatly reduces the risk of collision. For example, when it is determined that the driving state of the rear vehicle is a driving state of the rear vehicle, the control unit 260 analyzes the presence or absence of the nearby vehicle and the speed of the surrounding vehicle to determine if there is no other vehicle in the same direction, The information about the direction and the speed may be provided to the vehicle so that the automatic control is performed. In one embodiment, the control unit 260 may be connected to an ECU (Electronic Control Unit) capable of controlling the state of an automatic transmission or the like of the vehicle, and may be a vehicle recommended in the direction of minimizing the risk of collision of the vehicle and the risk of collision To the ECU so that the ECU can temporarily perform automatic control based on the control information.

In another embodiment, the controller 260 analyzes the surroundings of the vehicle when the risk of collision exceeds a reference risk, and provides the driver with a speaker installed in the vehicle so as to perform manual control at a direction and a speed A voice message can be provided regarding the corresponding direction and speed. For example, when the collision risk exceeds the reference risk value, the control unit 260 outputs a warning sound indicating that the current collision risk level is high through the speaker, analyzes the speed and direction that minimize the risk of collision to the greatest extent, Is high. It is recommended to keep moving at the current speed in the right lane. "

The control unit 260 may store and manage the vehicle circumstance information providing history whenever providing the vehicle circumstance information to the vehicle control server 120 or the user terminal 130. [ More specifically, the control unit 260 may request the rear camera 250 to recognize the vehicle number of the rear vehicle when generation of the warning content or generation of the vehicle circumstance information is determined. In one embodiment, the rear camera 250 can be implemented as a camera capable of extracting an image from an image based on an image processing algorithm and recognizing the vehicle number. When the vehicle number recognition request is received from the control unit 260, The control unit 260 can recognize the vehicle number of the rear vehicle by extracting the still image associated with the time when the request is received and recognize the vehicle number of the rear vehicle.

The control unit 260 can detect the presence or absence of the history associated with the vehicle number of the rear vehicle received from the rear camera 250 in the stored history information of the surrounding environment of the vehicle. If at least one related history is detected, The display unit may inform the driver that the rear vehicle is a frequent risk driving vehicle and provides information on the surrounding conditions of the vehicle including the past stored in association with the vehicle number of the rear vehicle to the vehicle control server 120, To be reported as a regular dangerous driving vehicle.

The control unit 260 can control the overall operation of the safe driving support apparatus 110 and includes a rear display 210, a rear radar 220, a rear warning processing unit 230, So that the data flow between the cameras 250 can be controlled. In one embodiment, the controller 260 may be implemented as a central processing unit (CPU) of the safe driving support device 110.

FIG. 3 is a flowchart illustrating a safe driving support process in which the safe driving support device shown in FIG. 1 tracks a distance between rear vehicles, recommends safe driving of the rear vehicle, and performs automatic notification if the distance is not observed.

In Fig. 3, the rear radar 220 tracks the distance between the rear vehicles and detects whether the tracked distance has reached a reference distance for a specific time (step S310). The rear warning processor 230 then generates alarm content for the rear vehicle (if the tracked distance has been reached within the reference distance for a specific time) and displays it on the rear display 210 (step S320). The vehicle circumstance providing unit 240 generates and provides the vehicle circumstance information to the vehicle control server 120 if the rear vehicle exists within the reference distance even after the warning content is displayed (step S330).

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

100: Safe driving support system
110: Safe driving support device considering rear vehicle
120: vehicle control server 130: user terminal
210: rear display 220: rear radar
230: rear warning processor 240:
250: rear camera 260:

Claims (16)

Rear display;
A rear radar which tracks the distance between the rear vehicle and detects whether the tracked distance has reached a reference distance within a predetermined time;
A rear warning processor for generating warning content for the rear vehicle when the tracked distance is within a reference distance for a specific time and displaying the warning content on the rear display; And
And a vehicle circumstance providing unit that generates and provides the vehicle circumstance information to the vehicle control server if the rear vehicle exists within the reference distance even after the warning content is displayed,
The vehicle circumstance providing unit
Wherein when the tracked distance is within a first reference distance, the lane keeping state of the rear vehicle is tracked through the rear radar until it is confirmed that the second distance is longer than the second reference distance, Of the rear vehicle.
2. The apparatus of claim 1, wherein the rear radar
And further detects whether the speed difference is within a reference speed difference if the tracked distance has reached within a reference distance for a specific time period, .
3. The apparatus according to claim 2,
And generates subsequent warning contents warning of a risk of collision toward the rear vehicle if the speed difference is within a reference difference, and displays the subsequent warning contents on the rear display following the warning contents.
The method according to claim 1,
Further comprising a rear camera for generating an image relating to the rear vehicle,
The vehicle circumstance providing unit
Wherein the information about the distance between the backward vehicles traced back and forth of the warning content and the surrounding situation information including the moving image or the still image extracted from the image are generated.
5. The apparatus according to claim 4,
Determines whether the vehicle is in violation of the traffic regulations of the rear vehicle by analyzing the tracked distance, and if the trailing distance does not comply with the legal safety distance, violates the traffic regulations of the rear vehicle, And transmits the generated circumstance information of the vehicle to the user terminal connected through the Bluetooth if the tracked distance is in compliance with the legal safety distance and the rear vehicle is not in violation of the traffic regulation. Supported devices.
5. The apparatus according to claim 4,
Tagging at least one tag information at at least one specific time point associated with detection of arrival within a reference distance of the tracked distance in the image.
[7] The method of claim 6,
And generating the still image by determining the start point and the end point of the image extraction based on the tagged at least one tag information to generate the moving image from the image or determining a specific time point, Driving support device.
The method according to claim 1,
Further comprising a controller for calculating a collision risk on the basis of the difference between the tracked distance and the speed of the rear vehicle and determining whether to control the vehicle based on the collision risk, .
9. The apparatus of claim 8, wherein the control unit
Wherein the control unit analyzes the circumference of the vehicle and requests the vehicle to temporarily control the vehicle at a direction and a speed at which the risk of collision is minimized to the greatest extent, if the collision risk exceeds a reference risk level. Supported devices.
9. The apparatus of claim 8, wherein the control unit
And a controller for analyzing a situation around the vehicle when the collision risk exceeds a reference risk level, and for performing manual control at a direction and a speed at which the driver largely lowers the collision risk, And a message is provided to the driver.
delete 2. The apparatus of claim 1, wherein the vehicle-
And determining whether or not the driving state of the rear vehicle corresponds to an abnormal state including a threat driving state, a drinking driving state, and an inadvertent driving state based on the tracked distance and the lane keeping state. Device.
13. The system of claim 12,
And outputting a voice message recommending at least one of providing information about the surroundings of the vehicle through the speaker installed in the interior of the vehicle, a caution operation for the rear vehicle, and an avoidance operation for the other lane, Safety driving support device considering rear vehicle.
13. The system of claim 12,
If it is determined that the vehicle is in the abnormal state, icons indicating the surroundings of the vehicle on the windshield of the vehicle through the head-up display installed in the vehicle, caution driving for the rear vehicle, Wherein the at least one of the first and second light sources is projected.
The apparatus according to claim 1,
Wherein the alert content includes at least one of a current speed and an acceleration of the vehicle, a presence or absence of a vehicle problem, and presence / absence of abdominal occupation.
A method of supporting a safe driving considering a rearward vehicle performed by a safe driving support device including a rear display and a rear radar,
Tracking the distance between the rear vehicle through the rear radar to detect whether the tracked distance has reached a reference distance for a specific time;
A rear warning processing step of generating warning contents for the rear vehicle when the tracked distance is reached within a reference distance for a specific time and displaying the warning contents on the rear display; And
And providing a vehicle control server to the vehicle control server when the rear vehicle exists within the reference distance even after the warning content is displayed,
The vehicle circumstance providing step
Wherein when the tracked distance is within a first reference distance, the lane keeping state of the rear vehicle is tracked through the rear radar until it is confirmed that the second distance is longer than the second reference distance, Of the rear vehicle (1).

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