KR20170006523A - Device and method for providing caution information regarding vehicle operation - Google Patents
Device and method for providing caution information regarding vehicle operation Download PDFInfo
- Publication number
- KR20170006523A KR20170006523A KR1020150097256A KR20150097256A KR20170006523A KR 20170006523 A KR20170006523 A KR 20170006523A KR 1020150097256 A KR1020150097256 A KR 1020150097256A KR 20150097256 A KR20150097256 A KR 20150097256A KR 20170006523 A KR20170006523 A KR 20170006523A
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- South Korea
- Prior art keywords
- information
- vehicle
- target vehicle
- road
- weather
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/02—Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
Abstract
Description
BACKGROUND OF THE
In recent years, various technologies such as vehicle navigation technology, lane departure detection technology, and drowsiness detection technology have been developed for convenient and safe use of vehicles.
These technologies are implemented and widely used in vehicle navigation apparatuses and the like. However, the vehicle navigation device has a risk that the driver can not confirm the information in detail due to the narrow screen area, and can not watch ahead while the driver in charge changes the view to confirm the information provided by the vehicle navigation device .
In order to overcome such a risk, Korean Patent Publication No. 2012-0014705 discloses a method of controlling the driving speed of a vehicle on the road surface of a road on which a vehicle runs, as well as a display screen, (Light), thereby disclosing a technical idea for driving a driver safely.
However, the above-described prior art merely extends the display space for displaying information provided by the vehicle navigation apparatus to the road surface of the road in addition to the display portion of the conventional vehicle navigation apparatus.
That is, the prior art has a limitation in that it can not provide the driver with the safe running speed of the vehicle reflecting the real-time weather information (for example, rain, snow, fog, etc.) and the headway distance to the preceding vehicle. This limitation is due to the fact that although the driving speed must be slowed down and the inter-vehicle distance should be extended for safety in misty driving situations, in practice, many drivers are reducing the inter-vehicle distance in order to avoid missing the preceding vehicle, It does not solve the problem.
An object of the present invention is to provide an attention information display apparatus and method for driving a vehicle so as to enable safe vehicle operation by providing information on the safe running speed of the vehicle and the inter-vehicle distance from the preceding vehicle by reflecting real-time weather information.
The present invention provides a device and method for displaying information on a car, which enables the people located in the vicinity of the car to check the movement of the car in advance when the car is backed up, .
An object of the present invention is to provide a warning information display apparatus and method for a vehicle operation which enables a vehicle running on a road to securely recognize the presence of a vehicle entering at an intersection in advance and respond to it.
Other objects of the present invention will become readily apparent from the following description.
According to an aspect of the present invention, there is provided an attention information display apparatus for a vehicle operation, comprising: a navigation unit for providing driving speed information of a target vehicle; A weather recognition unit for providing weather information of a road on which the target vehicle is traveling; If the weather of the road is determined to be one or more of rain, snow and fog using the weather information, a reduction rate pre-stored to be applied according to the level of precipitation, snowfall, and mist concentration is applied to the specified speed of the road A control unit which calculates a speed and compares the safe speed with a running speed of the target vehicle to generate attention information; And a front light emitting portion for emitting light for displaying the attention information on the road surface ahead of the target vehicle.
The attention information display apparatus may further include a distance measurement unit for providing distance information between the target vehicle and the preceding vehicle, wherein the control unit calculates the distance between the target vehicle and the preceding vehicle using at least one of rain, The control unit calculates a safe inter-vehicle distance value by applying a previously stored distance assurance ratio to be applied according to the level of precipitation, snowfall, and mist concentration to the inter-vehicle distance value corresponding to the traveling speed, You can compare the values to generate attention information.
The weather recognizing unit may include an image recognizing unit for analyzing image data captured and input to generate weather information about a clear, rain, snow or fog on the road; And a snowy sensor that generates weather information about the intensity and amount of rain or snow.
The attention information display apparatus further includes a rear light emitting portion for emitting light so as to display the attention information generated by the control portion on the road surface on the rear side of the target vehicle, , It is possible to generate attention information including information on the turning direction of the target vehicle by using the steering angle information of the target vehicle and to control the rear light emitting unit to display the generated caution information.
Wherein the front light emitting unit is configured to transmit the warning information when the traveling speed satisfies the safety speed and the inter-vehicle distance information satisfies the safe inter-vehicle distance value, and when at least one of the traveling speed and the inter- It is possible to display one or more of the color and the blinking cycle differently from the caution information in the case where the speed and the safe inter-vehicle distance value are not satisfied.
According to another aspect of the present invention, there is provided an attention information display apparatus for a vehicle operation, the apparatus comprising: a navigation unit for providing road information during traveling of a target vehicle and progress direction information on a specified destination; A control unit for determining whether the target vehicle enters the intersection using the road information, and generating attention information for the progress direction information at the intersection of the target vehicle when entering the intersection; And a front light emitting portion for emitting light for displaying the attention information on the road surface ahead of the target vehicle.
According to another aspect of the present invention, there is provided a method of displaying attention information on a vehicle operation, the method comprising the steps of: when the weather information provided from the weather recognition unit is used by the control unit to determine whether the weather of the road on which the target vehicle is traveling is rain, Determining whether the number is more than one; Receiving a prescribed speed of the road from a navigation unit; The control unit applies the deceleration rate stored in advance in the storage unit to the specified speed of the road so as to be applied according to the level of precipitation, snowfall, and mist concentration, when the weather of the road is determined to be one or more of rain, Calculating a speed and comparing the safe speed with a running speed of the target vehicle to generate attention information; And controlling the operation of the front light emitting unit in which the control unit emits light so that the attention information is displayed on the road surface ahead of the target vehicle.
The attention information display method may further include a step in which the control unit receives distance-to-vehicle distance information between the target vehicle and the preceding vehicle from the distance measuring unit, wherein the attention information indicates whether the control unit And a result of comparing the inter-vehicle distance information and the safe inter-vehicle distance value by calculating a safe inter-vehicle distance value by applying the previously stored distance assurance rate to the inter-vehicle distance value corresponding to the traveling speed.
The weather information is obtained by analyzing image data captured and input by the image recognizing unit and comparing the weather information generated with respect to the clear, rain, snow or fog on the road and the weather information generated by the snow sensor with respect to the intensity and amount of rain, . ≪ / RTI >
The attention information display method may further include the steps of: the control unit detecting that the target vehicle has been shifted backward; The control unit generating attention information including information on the turning direction of the target vehicle using the steering angle information of the target vehicle; And controlling the operation of the rear light emitting unit, in which the control unit emits light, so that the generated attention information is displayed on the road surface of the rear road of the target vehicle.
Wherein the front light emitting unit is configured to transmit the warning information when the traveling speed satisfies the safety speed and the inter-vehicle distance information satisfies the safe inter-vehicle distance value, and when at least one of the traveling speed and the inter- It is possible to display one or more of the color and the blinking cycle differently from the caution information in the case where the speed and the safe inter-vehicle distance value are not satisfied.
According to another aspect of the present invention, there is provided a method of displaying attention information on a vehicle operation, the method comprising: receiving, from a navigation unit, road information in which a target vehicle is traveling and progress direction information on a specified destination; Determining whether the target vehicle enters an intersection using the road information; When the target vehicle enters an intersection, the control unit generates attention information on the progress direction information at the intersection of the target vehicle; And controlling the operation of the front light emitting unit in which the control unit emits light so that the attention information is displayed on the road surface ahead of the target vehicle.
Other aspects, features, and advantages will become apparent from the following drawings, claims, and detailed description of the invention.
According to the embodiment of the present invention, it is possible to safely operate the vehicle by providing information on the safe running speed of the vehicle and the inter-vehicle distance from the preceding vehicle by reflecting the real-time weather information.
In addition, when the vehicle moves backward, the movement of the vehicle can be confirmed in advance by people located in the vicinity of the vehicle, so that the attention and safety of people located around the vehicle can be achieved.
The present invention also has the effect of securing safety by recognizing and responding to the presence of a vehicle entering the intersection in advance in the road ahead.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram schematically showing a configuration of a warning information display apparatus relating to a vehicle operation according to an embodiment of the present invention;
BACKGROUND OF THE
3 is a view illustrating a form of information display in a backward traveling of a vehicle according to an embodiment of the present invention;
4 is a flowchart illustrating a method of displaying attention information on a vehicle operation according to an embodiment of the present invention;
5 is a flowchart illustrating a method of displaying information on entering a vehicle at an intersection according to another embodiment of the present invention.
6 is a view showing an information display mode of a vehicle when entering an intersection according to another embodiment of the present invention.
While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.
The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, terms such as a first threshold value, a second threshold value, and the like which will be described later may be previously designated with threshold values that are substantially different from each other or some of which are the same value, Because there is room, the terms such as the first and the second are to be mentioned for convenience of classification.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.
It is to be understood that the components of the embodiments described with reference to the drawings are not limited to the embodiments and may be embodied in other embodiments without departing from the spirit of the invention. It is to be understood that although the description is omitted, multiple embodiments may be implemented again in one integrated embodiment.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.
FIG. 1 is a block diagram schematically showing a configuration of a warning information display apparatus relating to a vehicle operation according to an embodiment of the present invention. FIG. 2 is a block diagram of a warning information display apparatus according to an embodiment of the present invention. FIG. 3 is a view illustrating an information display mode of the vehicle in the backward traveling according to an embodiment of the present invention.
1, the attention information display apparatus for a vehicle operation includes a
The
In order to generate weather information, the
The
The
For example, the
If the calculated average value is greater than or equal to the predetermined brightness threshold value, the calculated standard deviation is compared with the predetermined first threshold value. If it is less than the first threshold value, the
Also, if the calculated average value is less than a predetermined brightness threshold value, the calculated standard deviation is compared with a second threshold value which is a relatively small threshold value. If the standard deviation is greater than or equal to the second threshold value, the weather condition can be recognized as rain, and if the standard deviation is less than the second threshold value, the weather condition can be recognized as being clear.
The brightness threshold value, the first threshold value, and the second threshold value may be experimentally and statistically predetermined and stored in the
The weather information generated by the
The
The
If the navigation apparatus provides road information and the like to the
The
The
The
The
For example, if the
Here, the attention information may be generated in consideration of the weather at the position where the target vehicle travels in addition to the specified speed and traveling direction of the road to be driven as described later. 2 (a)) displayed in a state in which the safety of the driver is guaranteed in consideration of the running speed and the inter-vehicle distance of the vehicle, and caution information (see Fig. 2 (B)) may be processed with different colors or different display methods (for example, blink processing, etc.).
At this time, the front
In addition, when the
Also, for example, if the
The
The
The
If the
Also, the
The
4 is a flowchart showing a caution information display method for a vehicle operation according to an embodiment of the present invention.
Referring to FIG. 4, in
In
If it is shifted to the forward gear, the attention information display device displays the traveling speed of the
The traveling speed of the
In
If the target vehicle is running so as to exceed the specified speed of the road on which the target vehicle is traveling, deceleration of the running speed will be required, and if the appropriate inter-vehicle distance is not secured for the current traveling speed of the target vehicle,
Also, if the current road is rainy or snowy or foggy, it is necessary to adjust the running speed and / or the inter-vehicle distance to correspond to the level of precipitation / snowfall or fog, even though the running speed satisfies the specified speed will be.
As a result of the determination in
However, if it is not determined that the adjustment of the vehicle speed and / or the inter-vehicle distance is necessary, the process proceeds to step 410 again. Of course, even when it is not determined that the adjustment of the vehicle speed and / or the inter-vehicle distance is necessary, the information about the traveling speed and / or the inter-vehicle distance is displayed on the front road surface of the target vehicle (See Fig. 2 (a)).
When the attention information display device recognizes that the state information display device is shifted to the reverse gear by referring to the
FIG. 5 is a flowchart illustrating an information display method of a vehicle when entering an intersection according to another embodiment of the present invention, and FIG. 6 is a diagram illustrating an information display form when the vehicle enters an intersection according to another embodiment of the present invention.
Referring to FIG. 5, in
The existence of the intersection may be recognized through, for example, road information provided by the
If the intersection does not exist, the process proceeds to step 510 again. However, if an intersection exists, the process proceeds to step 520 to determine whether the intersection is within a predetermined reference distance.
Here, the reference distance may be a physically specified distance, for example, 20 m, or may be a predetermined distance so as to be variable according to the traveling speed of the
For example, when the
If the distance to the intersection does not satisfy the predetermined reference distance, the process waits at
However, if the reference distance is satisfied, the attention information display device displays the information on the traveling direction of the
It is needless to say that the above-described caution information display method for the vehicle operation may be performed in an automated procedure in a time-series sequence by a built-in program or the like installed in the digital processing apparatus. The codes and code segments that make up the program can be easily deduced by a computer programmer in the field. In addition, the program is stored in a computer readable medium readable by the digital processing apparatus, and is read and executed by the digital processing apparatus to implement the method. The information storage medium includes a magnetic recording medium, an optical recording medium, and a carrier wave medium.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It will be understood that the present invention can be changed.
110: weather recognition unit 112: snow sensor
114: image recognition unit 120: distance measurement unit
130: navigation unit 140: storage unit
150: light emitting portion 152: front light emitting portion
154: rear light emitting portion 160:
210: Target vehicle 220: Prior vehicle
Claims (13)
A navigation unit for providing driving speed information of the target vehicle;
A weather recognition unit for providing weather information of a road on which the target vehicle is traveling;
If the weather of the road is determined to be one or more of rain, snow and fog using the weather information, a reduction rate pre-stored to be applied according to the level of precipitation, snowfall, and mist concentration is applied to the specified speed of the road A control unit which calculates a speed and compares the safe speed with a running speed of the target vehicle to generate attention information; And
And a front light emitting portion for emitting light for displaying the caution information on the road surface ahead of the target vehicle.
Further comprising a distance measuring unit for providing distance-to-object distance information between the target vehicle and the preceding vehicle,
The control unit may calculate the distance secured ratio, which is stored in advance so as to be applied according to the level of precipitation, snowfall, and fog concentration when the weather of the road is determined as at least one of rain, snow and fog using the weather information, And calculates the safe inter-vehicle distance value, and compares the inter-vehicle distance information and the safe inter-vehicle distance value to generate attentional information.
Wherein the weather recognition unit comprises:
An image recognizing unit for analyzing image data inputted and generating weather information about sunny, rain, snow or fog on the road; And
And a weather sensor for generating weather information on intensity and amount of rain and snow.
Further comprising a rear light emitting portion for emitting light for displaying the attention information generated by the control portion on the road surface rearward of the target vehicle,
The control unit generates attention information including information on the turning direction of the target vehicle using the steering angle information of the target vehicle when the target vehicle is shifted backward, And the control unit controls the display unit to display the information on the vehicle.
Wherein the front light emitting unit is configured to transmit the warning information when the traveling speed satisfies the safety speed and the inter-vehicle distance information satisfies the safe inter-vehicle distance value, and when at least one of the traveling speed and the inter- Wherein the warning information display unit displays at least one of a color and a blinking cycle differently from the caution information when the speed and the safe distance difference value are not satisfied.
A navigation unit for providing road information in which the target vehicle is running and progress direction information on the designated destination;
A control unit for determining whether the target vehicle enters the intersection using the road information, and generating attention information for the progress direction information at the intersection of the target vehicle when entering the intersection; And
And a front light emitting portion for emitting light for displaying the caution information on the road surface ahead of the target vehicle.
Determining whether the weather of the road on which the target vehicle travels is one or more of rain, snow, and fog using the weather information provided from the weather recognition unit;
Receiving a prescribed speed of the road from a navigation unit;
The control unit applies the deceleration rate stored in advance in the storage unit to the specified speed of the road so as to be applied according to the level of precipitation, snowfall, and mist concentration, when the weather of the road is determined to be one or more of rain, Calculating a speed and comparing the safe speed with a running speed of the target vehicle to generate attention information; And
And controlling the operation of the front light emitting unit in which the control unit emits light so that the attention information is displayed on the road surface ahead of the target vehicle.
Further comprising the step of the controller receiving distance-to-vehicle distance information between the target vehicle and the preceding vehicle from the distance measuring unit,
The attention information is obtained by calculating the safe inter-vehicle distance value by applying the previously stored distance securing rate to be applied according to the level of precipitation, snowfall and mist concentration to the inter-vehicle distance value corresponding to the traveling speed, And a result of comparing the safe inter-vehicle distance value.
The weather information is obtained by analyzing image data captured and input by the image recognizing unit and comparing the weather information generated with respect to the clear, rain, snow or fog on the road and the weather information generated by the snow sensor with respect to the intensity and amount of rain, And displaying the information on the vehicle.
Detecting that the target vehicle is shifted backward by the control unit;
The control unit generating attention information including information on the turning direction of the target vehicle using the steering angle information of the target vehicle; And
Further comprising the step of controlling the operation of the rear light emitting unit in which the control unit emits light so that the generated attention information is displayed on the road surface behind the target vehicle.
The front light-
Vehicle distance information, and information indicating that the traveling speed satisfies the safe speed, and the inter-vehicle distance information satisfies the safe inter-vehicle distance value, and at least one of the traveling speed and the inter-vehicle distance information, Wherein the display unit displays one or more of the color information and the blinking cycle differently from the caution information when the value is not satisfied.
The control unit receiving from the navigation unit road information in which the target vehicle is traveling and progress direction information on the designated destination;
Determining whether the target vehicle enters an intersection using the road information;
When the target vehicle enters an intersection, the control unit generates attention information on the progress direction information at the intersection of the target vehicle; And
And controlling the operation of the front light emitting unit in which the control unit emits light so that the attention information is displayed on the road surface ahead of the target vehicle.
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KR1020150097256A KR20170006523A (en) | 2015-07-08 | 2015-07-08 | Device and method for providing caution information regarding vehicle operation |
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KR1020150097256A KR20170006523A (en) | 2015-07-08 | 2015-07-08 | Device and method for providing caution information regarding vehicle operation |
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Citations (1)
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KR20120014705A (en) | 2010-08-10 | 2012-02-20 | 장기훈 | Navigation system |
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KR20120014705A (en) | 2010-08-10 | 2012-02-20 | 장기훈 | Navigation system |
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