KR101689081B1 - Car Control System and Method - Google Patents

Car Control System and Method Download PDF

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Publication number
KR101689081B1
KR101689081B1 KR1020150082749A KR20150082749A KR101689081B1 KR 101689081 B1 KR101689081 B1 KR 101689081B1 KR 1020150082749 A KR1020150082749 A KR 1020150082749A KR 20150082749 A KR20150082749 A KR 20150082749A KR 101689081 B1 KR101689081 B1 KR 101689081B1
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KR
South Korea
Prior art keywords
information
vehicle
main
road shape
road
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KR1020150082749A
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Korean (ko)
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KR20160147120A (en
Inventor
황정현
이창엽
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주식회사 아이비스
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Publication of KR20160147120A publication Critical patent/KR20160147120A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/0058—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator responsive to externally generated signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/06—Road conditions
    • B60W40/072—Curvature of the road
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/06—Road conditions
    • B60W40/076—Slope angle of the road
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
    • B60W40/105—Speed
    • 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

Abstract

The present invention relates to a vehicle navigation system, which is provided in a vehicle, generates current position information of the vehicle, generates main travel route information for setting an optimum route at a current position using the current position information and map data, A navigation device for generating main road shape information indicating curvature and tilt information of a road using information; A control unit provided in the vehicle, for generating a headlight control signal for adjusting a headlight irradiation angle of the vehicle using the main road shape information to adjust a headlight irradiation angle of the vehicle; And a head unit provided in the vehicle, for receiving the main road shape information from the navigation device and transmitting the main road shape information to the control device. According to the present invention, it is possible to control the vehicle according to the situation in real time using the current position information of the vehicle and the map data.

Description

[0001] CAR CONTROL SYSTEM AND METHOD [0002]

The present invention relates to a vehicle control system, and more particularly, to a headlight and speed control system and method for a vehicle.

The headlight of a car is the main device of the automobile which observe the front of the driver in the nighttime driving to secure the field of view ahead.

BACKGROUND ART [0002] Currently, automobiles are provided with a device for automatically adjusting the angle of irradiation of headlights according to the angle of rotation of a steering wheel. However, the present apparatus has a disadvantage that the irradiation angle of the headlight is adjusted by the angle at which the steering wheel of the automobile is rotated, and it is adjustable only to the left and right, and it is impossible to adjust the angle.

The driver needs to have more field of view than the direction of rotation on the curve road. Especially, it is necessary to secure a wider range of field of view on rural roads or national roads where people are uncommon, and a headlight control device capable of vertically adjusting to cope with inclined roads is also needed.

Therefore, it is a time when a device for controlling the headlight at an angle suitable for the shape of the road is required.

Korean Patent Laid-Open Publication No. 10-2011-0069508 (June 23, 2011) "Headlight control apparatus and method" Korean Patent Laid-Open Publication No. 1997-0037379 (July 22, 1997) "Irradiation Angle Control Method and Irradiation Angle Control Device for Automotive Headlight"

An object of the present invention is to provide a vehicle control system for controlling headlight and speed of a vehicle using map data.

It is also an object of the present invention to provide a vehicle control method for controlling a headlight and a speed of a vehicle.

The vehicle control system according to one aspect of the present invention for realizing the object of the present invention is provided in a vehicle and generates current position information of the vehicle and uses the current position information and map data to obtain an optimum A navigation device for generating main traveling route information for setting a route and generating main road shape information indicating curvature and tilt information of the road using the main traveling route information; A controller which is provided in the vehicle and generates a headlight control signal for adjusting a headlight irradiation angle of the vehicle using the road shape information to adjust a headlight irradiation angle of the vehicle; And a head unit provided in the vehicle, for receiving the main road shape information from the navigation device and transmitting the main road shape information to the control device.

The navigation device comprising: a position information section for generating the current position information; A route information section for generating the main travel route information using the current location information and the map data; And a road information unit for receiving the main travel route information from the route information unit and calculating the curvature and tilt of the road to generate the main road shape information and transmitting the main road shape information to the head unit.

Here, the route information section generates sub-travel route information which is a plurality of route information that can be generated at a branch point on the main travel route using the current location information and the map data, Information on road curvature and inclination of a route that can be generated at a branch point on the main travel route to generate subroad road shape information and transmit the subroad road shape information to the head unit.

The control device may generate a headlight control signal for adjusting a headlight irradiation angle according to curvature and tilt information of a road included in the main road shape information and the subroad road shape information.

The control device may generate a speed control signal for controlling the speed of the vehicle to match the curvature of the road using the main road shape information and the subroad road shape information.

The estimated travel route information may be estimated travel route information to the destination selected by the user's operation or estimated travel route information that can be traveled at the current location when the destination is not set.

A vehicle control method according to the present invention includes the steps of: a navigation device generating current position information of a vehicle; The navigation device generating main travel route information that sets an optimal route at the current location using the current location information and the map data; The navigation device generates main road shape information indicating curvature and tilt information of the road using the main traveling route information and transmitting the main road shape information to the head unit; The head unit transmitting the main road shape information to a control apparatus; The control device receiving the main road shape information from the head unit and generating a headlight control signal for adjusting the headlight illumination angle of the vehicle; And controlling the headlight illumination angle of the vehicle using the headlight control signal.

The step of generating the main traveling route information may include: determining whether a destination is inputted by a user's operation; Generating main travel route information to the destination using the current location information and the map data if it is determined that the destination has been input; Generating main travel route information that can be traveled at the current position using the current location information and the map data if it is determined that the destination is not inputted; And generating sub-travel route information that is a plurality of route information that may be generated at a branch point on the main travel route.

The generating of the main road shape information may include generating the main road shape information and subroad road shape information by calculating curvature and slope of the road using the main traveling route information and the subordinate traveling route information have.

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The step of generating the headlight control signal of the vehicle further includes the steps of: receiving the main road shape information and the subroad road shape information from the head unit; And generating a headlight control signal for adjusting the headlight illumination angle of the vehicle according to curvature and tilt information included in the main road shape information and the subroad road shape information.

The step of generating the headlight control signal of the vehicle may further include the step of generating the speed control signal for controlling the speed of the vehicle so as to prepare for entry of the curved road of the vehicle by the control device.

The step of controlling the headlamp irradiation angle may further include the step of controlling the speed of the vehicle in preparation for entering the curved road of the vehicle.

In the step of controlling the headlamp irradiation angle, the headlamp irradiation angle of the vehicle is adjusted before the headlamp control reference distance from a point where the vehicle is expected to enter a curved road or a slope, and controlling the speed of the vehicle The speed of the vehicle is gradually decelerated before the speed control reference distance from the point where the curve road entry is expected, and is gradually accelerated after passing through the curve road.

According to the vehicle control system and method according to the embodiment of the present invention,

First, it is possible to control the vehicle according to the situation in real time using the present position information and map data of the vehicle.

Second, it is possible to control headlight irradiation angle according to curvature and slope, so it is easy to secure visibility and it is possible to prevent accidents at night driving.

Third, safety can be improved by controlling the speed of the vehicle at the safe speed according to the curvature of the curved road before entering the curved road.

Fourth, it is possible to cope with the number of all cases for departure from the main traveling route by using the sub-traveling route information.

1 is a block diagram showing a vehicle control system according to an embodiment of the present invention.
Fig. 2 is an exemplary view showing an example of the vehicle control system shown in Fig. 1. Fig.
Fig. 3 is a block diagram showing the navigation device shown in Fig. 1. Fig.
4 is a flowchart showing a vehicle control method of the present invention.
5 is a flowchart showing a step of generating the main traveling route information of FIG.
7 is a flowchart showing a step of generating a headlight control signal of the vehicle of FIG.
8 is a flowchart showing a step of controlling the headlight irradiation angle in Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Note that, in the drawings, the same components are denoted by the same reference symbols as possible. Further, the detailed description of known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, some of the components in the drawings are exaggerated, omitted, or schematically illustrated.

Fig. 1 is a block diagram showing a vehicle control system according to an embodiment of the present invention, Fig. 2 is an exemplary view showing an example in which the vehicle control system shown in Fig. 1 is mounted on a vehicle, Fig. 2 is a block diagram showing a navigation device. Fig.

1 to 3, a vehicle control system (CS) of the present invention includes a navigation device 100, a head unit 300, and a control device 400.

The navigation device 100 is provided in the vehicle as shown in FIG. 2, generates current position information of the vehicle, generates main travel route information for setting an optimum route at the current position using the current position information and map data , And generates main road shape information indicating curvature and tilt information of the road using the main traveling route information.

In this embodiment, the navigation device 100 may be a built-in type built in the head unit 200 as shown in FIG. 2, or an external type separately provided from the head unit 200.

The navigation device 100 includes a position information section 110, a route information section 120, a road information section 130, a communication section 140, a data storage section 150, a control section 160, and a display section 170 do.

The route information unit 120 generates the current location information of the vehicle by using the map data and the current location information of the vehicle generated by the location information unit 110. In this way, And provides the road information to the road information unit 130.

Here, the route information unit 120 may use a plurality of route information, which may be generated at a branch point on the main travel route, in order to prevent the vehicle from departing from the main travel route and receiving the vehicle control service, It is possible to generate sub-travel route information that is route information.

The map data used in the route information section 120 may be map data provided in the navigation apparatus 100 or map data received from an external device and the main travel route information generated in the route information section 120 may be transmitted The estimated travel route information may be the estimated travel route information to the inputted destination or the estimated travel route information that is likely to be traveled at the current position of the vehicle based on the past travel pattern of the driver at the time of driving without setting the destination.

The road information section 130 calculates the curvature and inclination of the road in the main travel route using the main travel route information to generate the main road shape information.

Further, the road information section 130 may generate the sub-road shape information by calculating the road curvature and the slope of the sub-traveling route using the sub-traveling route information.

Here, the main road shape information is curvature and tilt information of the curved road and the ramp on the main travel route, and the subroad road shape information is information on the curvature and slope information of the curved road and the ramp on the plurality of paths, to be.

The communication unit 140 transmits / receives data to / from the head unit 200 and the external device.

The data storage unit 150 stores data used in the navigation apparatus 100 such as current position information of the vehicle, main traveling route information, main road shape information, and map data.

The control unit 160 controls overall driving of the navigation device 100 and transmits the current position information, the main road shape information and the subroad road shape information to the head unit 200 through the communication unit 140.

Also, the display unit 170 receives data by the touch of the user, and outputs the current position information of the vehicle, the main travel route, and the sub travel route.

The head unit 200 is provided in the vehicle as shown in FIG. 2, and receives the current position information, the main road shape information, and the subroad road shape information from the navigation device 100 and transmits the same to the control device 300.

The control device 300 is provided in the vehicle and receives the current position information, the main road shape information, and the sub road shape information from the head unit 200 and outputs the main traveling path included in the main road shape information and the sub road shape information, A headlight control signal for controlling the headlight illumination angle of the vehicle in accordance with the road curvature and inclination of the traveling path is generated and the headlight irradiation angle is controlled using the current position information and the headlight control signal.

Further, the control device 300 generates a speed control signal for controlling the speed of the vehicle so as to match the curvature of the curved road before the reference distance from the point where the curve road entry is expected, using the main road shape information and the subroad road shape information And controls the speed of the vehicle using the current position information and the speed control signal.

Here, the headlights of the vehicle are controlled so that the headlight irradiation angle is appropriately controlled to the road shape before the reference distance from the point where entry into the curved road or the slope is anticipated, and the vehicle speed is controlled before the reference distance Decelerates gradually to the safe speed, and is controlled to gradually accelerate after passing through the curve road.

For example, when the reference distance for headlight control of the vehicle is set to 10 m, the control device 300 calculates the headlight irradiation angle at a point 10 m before the curved road or at the slope entrance, When the reference distance for controlling the speed of the vehicle is set to 200 m, the speed of the vehicle is gradually decelerated from the point 200 m before the curve road entrance is expected to the safe speed.

In this way, since the controller 300 controls the angle of the headlight irradiation according to the curvature and tilt of the road, it is effective in securing the view. Therefore, it is possible to prevent accidents at nighttime driving. Driving on the road is possible.

FIG. 4 is a flowchart illustrating a vehicle control method of the present invention, and FIG. 5 is a flowchart illustrating a step of generating main travel route information of FIG.

1, 3 and 4, the position information section 110 of the navigation device 100 generates current position information of the vehicle and transmits it to the head unit 200 (step S110 ).

The route information section 120 of the navigation apparatus 100 generates the main travel route information for setting the optimum route at the current position using the map data and the current position information of the vehicle generated in the position information section 100 ).

In step S120, the map data may be map data provided in the navigation device 100 or map data received from an external device. The main traveling route information may include route information according to a route search algorithm Or route information according to a route prediction algorithm when the user does not set a destination.

The road information section 130 of the navigation apparatus 100 generates main road shape information indicating road curvature and inclination information of the main travel route using the main travel route information generated in the route information section 120, The road shape information is transmitted (step S130).

In step S130, the navigation device 100 may transmit the main road shape information to the head unit 200 immediately after generating the main road shape information, or may be transmitted at a time when control of the vehicle is required.

The head unit 200 receives the current position information and the main road shape information from the navigation device 100 and transmits it to the control device 300 (step S140).

In step S140, the head unit 200 periodically receives the current position information from the navigation window 100, and transmits the current position information and the main road shape information to the control device 300 upon receiving it.

The control device 300 generates a headlight control signal for adjusting the headlight illumination angle of the vehicle using the main road shape information (step S150).

The control device 300 controls the headlight irradiation angle of the vehicle using the current position information and the headlight control signal (step S160).

The process of generating the main traveling route information (step S120) will be described in detail with reference to Figs. 1, 3 and 5.

The navigation device 100 determines whether or not the destination is input by the user's operation (step S121).

If it is determined in step S121 that the destination has been input, the map data and the current position information of the vehicle generated in the position information section 110 are used to determine whether the vehicle is traveling to the destination input according to the route search algorithm built in the navigation device 100 And generates path information (step S122).

If it is determined in step S121 that the destination has not been input, the main travel route information is generated in accordance with the route prediction algorithm embedded in the navigation device 100 using the map data and the current location information (step S123).

Here, the route predicting algorithm predicts the driving route of the driver based on the current position, and it is possible to set a route with a high possibility of traveling at the current position of the vehicle based on the past driving pattern of the driver according to the implementation method, Alternatively, the path may be set with priority given to the straight line at the branch point.

In addition, in order to prepare for a situation in which the vehicle suddenly departs from the main travel route and can not provide the vehicle control service, it is necessary to use the main travel route information generated in the step S121 or S122, (Step S124). The sub-traveling route information is the sub route information.

The process of generating the main road shape information (step S130) will be described in detail with reference to FIGS. 1 and 3. FIG.

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The road information section 130 calculates the road curvature and slope of the main travel route and the sub travel route using the main travel route and the sub travel route.

Then, the road information section 130 generates the main road shape information and the subroad road shape information by using the calculated curvature and slope of the road.

Here, the road information unit 130 may be a plurality of road information units 130 that can be generated at a bifurcation point on the main travel route in preparation for occurrence of a situation in which the controller 300 can not control the vehicle while the vehicle is searching for a new route Road shape information that is the road shape information of the route.

In addition, the road information section 130 calculates the curvature and tilt of the road before the set distance based on the starting point of the curved road, the ramp, and the turning point on the main traveling route.

For example, when the set distance is set to 8 km, the road information section 130 calculates the curvature and slope of the road at a point 8 km from the starting point of the curved road, the slope road, and the turning point on the main traveling path, Thereby generating subroad road shape information.

 FIG. 7 is a flowchart showing a step of generating a headlight control signal of the vehicle in FIG. 4, and FIG. 8 is a flowchart showing a step of controlling the headlight irradiation angle in FIG.

The process of generating the headlight control signal (step S150) will be described in detail with reference to FIGS. 1, 3 and 7. FIG.

The control device 300 receives the current position information, the main road shape information, and the subroad road shape information from the head unit 200 (step S151).

In step S151, the control device 300 periodically receives the current position information.

The control device 300 generates the headlight control signal for controlling the headlight irradiation angle of the vehicle according to the curvature and the gradient of the road using the main road shape information and the subroad road shape information received from the head unit 200 Step S152).

The step S150 may further include a step (S153) of generating a speed control signal for controlling the speed of the vehicle so as to prepare for entering the curved road of the vehicle using the main road shape information and the subroad road shape information .

In steps S152 and S153, the control device 300 generates a headlight control signal and a speed control signal using the main road shape information when the vehicle is traveling on the main travel route, The device 100 generates a headlight control signal and a speed control signal using the sub-road shape information to control the vehicle while searching for a new route.

The process of controlling the headlamp irradiation angle (step S160) will be described in detail with reference to Figs. 1, 3 and 8.

The control device 300 controls the headlamp irradiation angle of the vehicle according to the curvature and tilt of the road using the current position information and the headlight control signal (step S161).

Step S160 may further include a step of controlling the speed of the vehicle in preparation for entering the curved road of the vehicle using the current position information and the speed control signal (step S162).

In step S161, the control device 300 uses the current position information to control the headlight illumination angle of the vehicle before the reference distance from the point where the vehicle is expected to enter the curved road or the inclined road.

In step S162, the control device 300 uses the current position information to gradually decelerate the vehicle speed from the point where the curved road is expected to approach the reference distance, and gradually accelerate after passing through the curved road.

In steps S161 and S162, the control device 300 controls the headlights and speed of the vehicle with the headlight control signal and the speed control signal generated using the main road shape information when the vehicle is traveling on the main travel route, When the vehicle leaves the main travel route, the headlight and speed of the vehicle are controlled by the headlight control signal and the speed control signal generated using the subway road shape information.

For example, when the reference distance for the headlight control of the vehicle is set to 10 m, the controller 300 uses the current position information, and if the vehicle is positioned 10 m before the curved road or at the slope entrance, When the light irradiation angle is controlled according to the shape of the road and the reference distance for controlling the speed of the vehicle is set to 200 m, if the vehicle is positioned 200 m before the point where the curved road entry is expected using the current position information, To a steady speed at the curve road entrance, for example, to the limit speed of the road.

In this way, the vehicle control system and method of the present invention can prevent accidents during nighttime driving because it is effective in ensuring the visibility of the driver by adjusting the headlight irradiation angle in accordance with the curvature and inclination of curved roads and ramps, By controlling the speed of the vehicle at a stable speed to enter the curved road, it is possible to travel on a safe curved road.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims. It will be possible.

100 ... navigation device 110 ... position information section
120 ... path information section 130 ... road shape information section
140 ... communication unit 150 ... data storage unit
160 ... control unit 170 ... display unit
200 ... Head unit 300 ... Control device

Claims (14)

Generating main route information for setting an optimum route at a current location using the current location information and the map data, generating main route information for the vehicle based on the current route information, A navigation device for generating main road shape information indicating curvature and slope information of the road;
A control unit provided in the vehicle, for generating a headlight control signal for adjusting a headlight irradiation angle of the vehicle using the main road shape information to adjust a headlight irradiation angle of the vehicle; And
And a head unit provided in the vehicle, for receiving the main road shape information from the navigation device and transmitting the main road shape information to the control device,
The navigation device comprising:
A position information section for generating the current position information;
A route information section for generating the main travel route information using the current location information and the map data; And
And a road information unit for receiving the main travel route information from the route information unit and calculating the curvature and tilt of the road to generate the main road shape information and transmitting the main road shape information to the head unit,
The route information unit,
Using the current position information and the map data, sub-travel route information which is a plurality of route information that can be generated at a branch point on the main travel route,
The road information unit includes:
Calculating sub-road shape information by calculating road curvatures and tilts of a plurality of paths that can be generated at a bifurcation on the main traveling route using the sub-traveling route information, transmitting the sub-road shape information to the head unit,
The control device includes:
Generating a headlight control signal for adjusting a headlight irradiation angle according to curvature and tilt information of a road included in the main road shape information and the subroad road shape information,
The control device includes:
And generates a speed control signal for controlling the speed of the vehicle so as to match the curvature of the road using the main road shape information and the sub road shape information. delete delete delete delete The method according to claim 1,
Wherein the main travel route information comprises:
Estimated travel route information to the destination selected by the user's operation, or estimated travel route information that can be traveled at the current location when the destination is not set. The navigation device generating current position information of the vehicle;
The navigation device generating main travel route information that sets an optimal route at the current location using the current location information and the map data;
The navigation apparatus generating main road shape information indicating curvature and tilt information of the road using the main traveling route information and transmitting the main road shape information to the head unit;
The head unit transmitting the main road shape information to a control apparatus;
The control device receiving the main road shape information from the head unit and generating a headlight control signal for adjusting the headlight illumination angle of the vehicle; And
The control device controlling the headlamp irradiation angle of the vehicle using the headlamp control signal,
Wherein the step of generating the main travel route information comprises:
Determining whether a destination is input by an operation of a user;
Generating main travel route information to the destination using the current location information and the map data if it is determined that the destination has been input;
Generating main travel route information that can be traveled at the current position using the current location information and the map data if it is determined that the destination is not inputted; And
And generating sub-travel route information which is a plurality of route information that can be generated at a branch point on the main travel route,
Wherein the step of generating the main road shape information comprises:
And generating the main road shape information and subroad road shape information by calculating a curvature and a slope of the road using the main travel route information and the sub travel route information,
The step of generating the headlight control signal of the vehicle includes:
Receiving the main road shape information and the subroad road shape information from the head unit; And
Generating a headlight control signal for adjusting a headlight illumination angle of the vehicle according to curvature and gradient information included in the main road shape information and the subroad road shape information,
Further comprising the step of the speed control signal controlling the speed of the vehicle so as to prepare for entry of the curved road of the vehicle by the control device,
Wherein the step of controlling the headlamp irradiation angle comprises:
Further comprising the step of controlling the speed of the vehicle in preparation for entering the curved road of the vehicle,
In the step of controlling the headlight irradiation angle,
The headlight illumination angle of the vehicle is adjusted before the headlight control reference distance from a point where the vehicle is expected to enter a curved road or a slope,
In the step of controlling the speed of the vehicle,
Wherein the speed of the vehicle is gradually decelerated before the speed control reference distance from the point where the curve road entry is expected, and is gradually accelerated after passing through the curve road. delete delete delete delete delete delete delete
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