KR20150061491A - Apparatus for providing fuel-cut section information and method thereof - Google Patents

Abstract

The present invention relates to an apparatus and a method for guiding a non-acceleration area. The apparatus comprises: a GPS receiving unit receiving GPS information to detect a current position of a vehicle; a vehicle speed detection unit detecting a current driving speed of a vehicle; a road grade information database storing road grade information or road curvature information; a non-acceleration driving efficiency calculation unit calculating a position and a speed wherein there is optimum fuel reduction efficiency by accumulating a driving speed and a distance of a vehicle for a predetermined time when driving at non-acceleration; a control unit adjusting a guiding point of a non-acceleration area in consideration of the position and the speed wherein optimum fuel reduction efficiency occurs and a current driving speed of a vehicle, and controlling non-acceleration area guidance and reacceleration area guidance to be outputted in a related position and a related point; and a non-acceleration area voice guidance unit guiding non-acceleration area and reacceleration area by using voice and sound in accordance with control of the control unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus,

The present invention relates to a non-accelerating section guiding apparatus and method, and more particularly, to a guiding section guiding apparatus and method for guiding a non-accelerating section of a route section to a destination so as to perform fuel saving.

Generally, fuel-cut (or fuel-cut) operation is a control method of stopping the fuel supply to the engine when the engine is not required to be accelerated and the engine output is no longer required. Such a non- Prevention of fuel consumption, improvement of fuel economy, and damage caused by high-speed rotation of the engine can be prevented.

That is, the vehicle in the above-described non-accelerating operation travels only by inertia and potential energy, and does not consume any fuel at all.

Therefore, unattended operation has a great effect on economical driving and environmentally friendly operation which increases fuel consumption, saves fuel cost, and reduces exhaust gas emissions. Therefore, the driver can maximally resiliently run on flat and downhill roads, .

However, since the driver can not know in advance the unspent portion during which the optimum fuel saving effect can be obtained, there is a problem that the driver can not actively utilize the unsprung portion of the fuel for the fuel saving.

Also, in the past, since the driver consciously performed the unattended operation according to the intention to operate the unattended operation, there was a limit to actively utilize the fuel saving by the unattended operation if the driver does not consciously recognize the unattended operation at the normal time.

Also, recently, devices for guiding unspecified sections have been introduced on downhill roads. However, considering that there are not many downhill sections on general roads, there is a problem that effective fuel saving effect can not be obtained.

The background art of the present invention is disclosed in Korean Patent Laid-open Publication No. 10-2011-0048191 (published on May 11, 2011, Economic Driving Guide System).

SUMMARY OF THE INVENTION It is an object of the present invention to provide a non-accelerating section guiding apparatus and method for guiding a non-accelerating section of a route section to a destination, thereby achieving fuel saving.

It is another object of the present invention to provide an idle period guidance apparatus and method for enabling a driver to perform a no-acceleration operation through a preliminary guidance of a non-acceleration period and an execution guidance of a non-acceleration operation.

It is another object of the present invention to provide a non-accelerating section guiding apparatus and method for guiding a non-accelerating section and a re-accelerating section for maintaining an average speed in a route section to a destination, thereby achieving fuel saving.

According to an aspect of the present invention, there is provided a non-accelerating section guide device comprising: a GPS receiver for receiving GPS information for detecting a current position of a vehicle; A vehicle speed detecting section for detecting a current traveling speed of the vehicle; A non-running running efficiency calculator for calculating a position and a speed having an optimal fuel saving efficiency by accumulating the running speed and the distance of the vehicle during a certain time while the vehicle is running unattended; The guiding point of the non-accelerating section is adjusted in consideration of at least one of the road gradient information, the road curvature information, the position and the speed at which the optimum fuel saving efficiency occurs, and the current vehicle running speed, And a guidance of the re-acceleration section; And a non-acceleration section voice guidance part for guiding the non-acceleration section and the re-acceleration section under the control of the control section.

In the present invention, the control unit outputs the non-accelerating section preliminary guidance at the first guiding point, outputs the guiding operation execution guide at the second guiding point, and outputs the guiding section guidance when the re-accelerating point is reached .

In the present invention, the reacceleration point is a point at which the current vehicle speed falls below the desired holding speed between the maximum speed and the minimum speed set on the road, or the minimum fuel consumption And is capable of accelerating and running at a desired holding speed or higher.

In the present invention, the non-accelerating section and the re-accelerating section are set based on at least one of a starting point, an ending point, and a setting point arbitrarily set by the driver, and the setting point includes a downward section, An intersection, a speed camera, and a toll gate.

In the present invention, the vehicle speed detecting section may detect the running speed of the vehicle by communicating with an electronic control unit (ECU) provided in the vehicle, detect the running speed of the vehicle using the GPS information, And sensing the traveling speed of the vehicle by receiving sensing information from the sensor.

In the present invention, the non-accelerating section guidance device may include: a road gradient information database storing the road gradient information and the road curvature information; Or a communication unit communicating with an external server to receive the road gradient information or road curvature information.

In the present invention, the unascertained running efficiency calculator calculates the unascertained running efficiency of the vehicle based on the type of the vehicle, the starting position of the unattended running, the weight of the vehicle according to the change of the occupant and the load, State and a state where an optimum efficiency is generated in consideration of at least one of the states.

According to another aspect of the present invention, there is provided a non-accelerating section guiding method including: detecting a position and a traveling speed of a vehicle; Calculating a non-accelerating section distance based on the gradient information of the road and the current position and speed of the vehicle on the basis of a preset arbitrary set point; Outputting an unattended operation execution guidance at a second point set according to the calculated unaccelerated section distance; And outputting a preliminary guidance for a non-acceleration section at a first point set a predetermined distance from the second point.

The method may further include outputting a re-acceleration section guidance at the non-acceleration section end point.

The present invention further includes a step of determining whether the current driving speed of the vehicle is in a running state at a desired speed or an economical speed between a maximum speed and a minimum speed set on the road, , The non-accelerating section preliminary guidance and the non-accelerating operation execution guidance are not outputted.

The method may further include receiving the road gradient information by communicating with an external server.

The present invention relates to a method of calculating a position and a speed of a vehicle having an optimal fuel saving efficiency by accumulating a traveling speed and a distance of the vehicle for a predetermined time when the vehicle is running unattended; And a guide point of the non-accelerating section is adjusted in consideration of the position and the speed at which the optimum fuel saving efficiency occurs and the current vehicle running speed, and guidance of the non-accelerating section and guidance of the re- The method comprising the steps of:

In the present invention, the step of calculating the position and the speed having the optimal fuel saving efficiency may include calculating the type of the vehicle, the starting position of the unattended running, the weight of the vehicle according to the change of the occupant and the load, Balance, weather, and the road surface according to the weather.

The present invention enables a fuel saving by guiding a non-accelerating section on the basis of a certain set point during a route running to a destination, enables fuel saving by maintaining an average traveling speed, Preliminary guidance and guidance on unattended operation allow the driver to perform unattended operation in a stable manner. In addition, by combining unattended operation with safe operation, it is possible to secure safety against traffic accidents by reducing the proportion of sudden braking and sudden deceleration. In addition, it can increase the fuel saving effect.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a schematic configuration of a no-acceleration section guide apparatus according to an embodiment of the present invention; FIG.
FIG. 2 is a flowchart illustrating a method for guiding unattended sections according to an exemplary embodiment of the present invention; FIG.
FIG. 3 is an exemplary view for explaining a preliminary guidance and an operation guidance method for each branch in a traveling route in FIG. 2; FIG.
FIG. 4 is an exemplary diagram for explaining a guidance method in various sections according to gradient information included in a traveling route in FIG. 2; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an apparatus and method for guiding an unrecognized section according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a view illustrating a schematic configuration of a no-acceleration section guide apparatus according to an embodiment of the present invention.

1, the non-accelerating section guidance device includes a GPS receiver 110, a vehicle speed detector 120, a road gradient information database 130, an unaccelerated driving efficiency calculator 140 A control unit 150, and a no-acceleration section voice guidance unit 160. [

The GPS receiver 110 can detect the current position of the vehicle in the controller 150 using GPS information received from a Global Positioning System (GPS) satellite (not shown).

The vehicle speed detector 120 detects the running speed of the vehicle by communicating with an electronic control unit (ECU) (not shown) installed in the vehicle. The vehicle speed detector 120 may also detect the traveling speed of the vehicle using the GPS information. Further, the vehicle speed detector 120 may detect the running speed of the vehicle by receiving sensing information from a vehicle speed detecting sensor (not shown) installed in the vehicle.

The road gradient information database 130 stores road grade information (or road curvature information) corresponding to the coordinates of the map data.

Most map data do not contain gradient information because it takes a lot of time and money to obtain map data for a road having a gradient. Therefore, as in the present embodiment, it is possible to include a database in which separate gradient information is stored.

If the device according to an embodiment of the present invention is an Off Board Navigation (OBN) device, the device according to an embodiment of the present invention may include map data (or digital map) And may not include the database 130. That is, map information and road gradient information can be provided from a server (or a server that provides road gradient information) that provides map data. To this end, the apparatus according to an embodiment of the present invention may further include a communication unit (not shown).

The non-subsysing traveling efficiency calculation unit 140 accumulates the traveling speed and the distance of the vehicle for a predetermined time during no-speed traveling to calculate a speed at which the optimum fuel saving effect is achieved, that is, do.

For example, the speed at which the optimum fuel saving efficiency of the vehicle occurs is calculated by using the travel distance and the traveling speed from the start of the non-accelerating travel to the start of the accelerating travel again. The average speed at which the optimum fuel saving efficiency occurs may vary depending on the position, speed, and gradient information of the road at the time of starting unattended running.

That is, when the starting speed is 80 km / h and 100 km / h when the same non-speed section is traveled, the non-accelerating distance varies. However, if the starting speed is high, there is no increase in the non-accelerating section in proportion to the increase of the speed, but the fuel consumption may increase when accelerating to increase the starting speed.

In addition, the efficiency may vary depending on the type of the vehicle or the starting position of the non-accelerating operation. The efficiency of the vehicle may vary depending on the weight of the vehicle (for example, the number of passengers or the load), the weight balance inside the vehicle And the position of the object to be loaded), and the efficiency may vary depending on the weather and the road conditions (for example, a beating path, an eye path, etc.) depending on the weather. It is desirable to calculate the position and speed. To this end, the apparatus according to an embodiment of the present invention may further include a sensor (not shown) for detecting the weight and balance of the vehicle, and a sensor (not shown) for detecting weather and road surface conditions.

However, in the present embodiment, there is a situation in which the vehicle is not restricted by the surrounding vehicle for convenience, and the restriction factor (e.g., vehicle weight, weight balance, weather, road surface condition, etc.) I suppose.

The control unit 150 adjusts the guidance time of the non-acceleration section in consideration of the position and the speed at which the calculated optimal fuel saving efficiency occurs and the current vehicle running speed (i.e., the current vehicle running speed according to the traffic condition) And controls the guidance of the no-acceleration section and the re-acceleration section at the point and time.

Here, the unaccelerated section includes the downward section, the flat section and the up section.

The non-accelerating section voice guidance part 160 guides the non-accelerating section and the re-accelerating section using voice and / or sound under the control of the controller 150.

Also, according to an embodiment, a non-accelerating section guide portion for visually guiding the non-accelerating section may be employed in place of the non-accelerating section voice guide 110.

The non-accelerating section voice guidance part 160 carries out an unattended section preliminary guidance at a first guiding point (point A) under the control of the controller 150, And conducts the re-acceleration section guidance when it reaches the re-acceleration section.

Here, the re-acceleration point is an end point of a non-acceleration section, and the idling section does not mean a point where the vehicle can travel at maximum speed without stopping until the vehicle stops, (Or economic speed) (for example, 80 km / h) between the minimum speed (for example, 100 km / h) and the lowest speed (for example, 60 km / h). The information about the maximum speed and the minimum speed may be provided at a point where the road sign or the overspeed camera exists.

In addition, the non-accelerating section or the re-accelerating section may be the reference point (for example, the starting point of the downward section) or the end point (for example, the desired point of the flat section). In addition, a point (eg, an intersection point, a speed camera installation point, a tollgate point, etc.) arbitrarily set by a driver (user) may be a reference.

The control unit 150 controls the configuration units 110 to 140 and 160 as a whole.

Hereinafter, a method for guiding a non-accelerating section according to an embodiment of the present invention will be described.

FIG. 2 is a flowchart for explaining a non-acceleration section guidance method according to an embodiment of the present invention. FIG. 3 is an exemplary view for explaining a preliminary guidance and an operation guidance method for a branch in a traveling route in FIG. And FIG. 4 is an exemplary view for explaining the guiding method in various sections according to the gradient information included in the traveling route in FIG. Hereinafter, a method for guiding a no-acceleration section will be described with reference to FIGS. 2 to 4. FIG.

As shown in FIG. 2, the controller 150 detects the position and the traveling speed of the vehicle using the GPS information received through the GPS receiver 110 (S101).

For convenience, it is assumed that the travel route from the route start point S to the route end point G is already set.

(For example, a downhill section, an uphill section, a flat section, an intersection, a speed camera, a toll gate, etc.) or a desired economy speed (that is, a speed at which the vehicle is driven at a constant speed ) Is already set.

The control unit 150 calculates a non-acceleration section distance based on the gradient information (or the curvature information) of the road and the current position and speed based on the set point (S102).

For example, when a non-accelerating running is performed at the current driving speed, the distance that the driver can travel at a desired holding speed (or economic speed) between the maximum speed and the minimum speed set on the road to the set point is calculated.

The control unit 150 outputs the unattended operation execution guidance when the calculated non-acceleration section distance is based on the set point (S104).

For convenience, the point at which the above-mentioned no-acceleration operation execution guidance is output is referred to as a second guiding point (point B) as shown in Fig.

When it reaches a predetermined point (for example, 100 m before the second guiding point) before reaching the second guiding point (point B), it is possible to output the non-accelerating section preliminary guidance (S103).

For convenience, the point at which the preliminary interval guidance is output is referred to as a first guiding point (point A), as shown in Fig.

The relationship according to the distance between the first guiding point (point A), the second guiding point (point B), the set point, the position of the car, the path starting point and the path terminating point is as shown in FIG.

At this time, the set point may be set to at least one or more points.

In this case, as shown in Fig. 4, predetermined guide points (e.g., point A, point B, and the like) based on the set point (e.g., downhill section, uphill section, flat section, intersection, speed camera, toll gate, It is possible to output the preliminary guidance for the non-accelerating section and the guidance for the non-accelerating operation.

At this time, the non-accelerating section preliminary guidance and the non-accelerating operation execution guidance may not be outputted according to the current driving speed of the vehicle. That is, when the current driving speed of the vehicle is running at a desired economy speed (or a minimum speed set on the road), when the unattended driving is performed, the fuel consumption is further increased for accelerating to travel later than the desired economy speed It is because.

At this time, the non-accelerating section preliminary guidance and the non-accelerating operation execution guidance may be outputted as a preset voice and / or sound.

When the driver has made the no-acceleration travel, the guidance of the re-acceleration section is outputted again at the non-acceleration section end point (S105).

Here, the non-accelerating section end point (or the re-accelerating section guiding point) is a point at which the current vehicle speed falls below the maintenance speed (or economy speed) desired by the driver between the maximum speed and the minimum speed set on the road, (Or minimum fuel consumption) at a desired holding speed (or economy speed).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, I will understand the point. Accordingly, the technical scope of the present invention should be defined by the following claims.

110: GPS receiver
120:
130: Road gradient information database
140: No-acceleration running efficiency calculator
150:
160: Non-acceleration section voice guidance section

Claims (13)

A GPS receiver for receiving GPS information for detecting the current position of the vehicle;
A vehicle speed detecting section for detecting a current traveling speed of the vehicle;
A non-running running efficiency calculator for calculating a position and a speed having an optimal fuel saving efficiency by accumulating the running speed and the distance of the vehicle during a certain time while the vehicle is running unattended;
The guiding point of the non-accelerating section is adjusted in consideration of at least one of the road gradient information, the road curvature information, the position and the speed at which the optimum fuel saving efficiency occurs, and the current vehicle running speed, And a guidance of the re-acceleration section; And
And a non-acceleration section voice guidance unit for guiding the non-acceleration section and the re-acceleration section under the control of the control section.
The apparatus of claim 1,
And outputs the guidance of the re-acceleration section when the re-acceleration section has reached the re-acceleration point. The non-acceleration section guidance device according to claim 1, .
2. The method of claim 1, wherein the re-
The point at which the current vehicle speed falls below the desired holding speed between the maximum speed and the minimum speed set on the road,
Wherein the control unit is a point at which the vehicle can accelerate at a desired speed or more with a minimum amount of fuel consumption.
The method as claimed in claim 1, wherein the no-acceleration section and the re-
A start point, an end point, and a setting point arbitrarily set by the driver,
Wherein the setting point includes at least one of a downhill section, an uphill section, a flat section, an intersection, a speeding camera, and a toll gate.
2. The vehicle driving force control apparatus according to claim 1,
The vehicle speed sensor detects the running speed of the vehicle by communicating with an electronic control unit (ECU) installed in the vehicle, detects the running speed of the vehicle using the GPS information, or receives sensing information from a vehicle speed detecting sensor provided in the vehicle, Speed detecting means for detecting a speed of the vehicle.
The apparatus as claimed in claim 1,
A road gradient information database for storing the road gradient information and road curvature information; And a communication unit communicating with an external server to receive the road gradient information or road curvature information.
2. The method according to claim 1, wherein the non-
The optimum efficiency is obtained considering at least one of the type of the vehicle, the starting position of the unmanned driving, the weight of the vehicle according to the change of the occupant and the load, the weight balance inside the vehicle, And calculates a position and a speed at which the accelerator pedal is depressed.
The control unit detecting the position and the traveling speed of the vehicle;
Calculating a non-accelerating section distance based on the gradient information of the road and the current position and speed of the vehicle on the basis of a preset arbitrary set point;
Outputting an unattended operation execution guidance at a second point set according to the calculated unaccelerated section distance; And
And outputting a preliminary guidance for a non-accelerating section at a first point set a predetermined distance before the second point.
9. The method of claim 8,
And outputting the re-acceleration section guidance at the non-acceleration section end point.
9. The method of claim 8,
Determining whether the current driving speed of the vehicle is equal to or lower than a predetermined speed between the maximum speed and the minimum speed set on the road;
Wherein when the driver is driving at a desired speed or at an economical speed, the driver does not output the guidance for the non-accelerating section and the instruction for the non-accelerating operation.
9. The method of claim 8,
And receiving the road gradient information by communicating with an external server.
9. The method of claim 8,
Accumulating the traveling speed and the distance of the vehicle for a predetermined period of time when the vehicle is traveling at an unspecified speed to calculate a position and a speed having optimal fuel saving efficiency; And
The guiding point of the non-accelerating section is adjusted in consideration of the position and the speed at which the optimum fuel saving efficiency occurs and the current driving speed of the vehicle, and guidance of the non-accelerating section and guidance of the re- The method of claim 1, further comprising:
13. The method of claim 12,
The step of calculating the position and the speed having the optimal fuel saving efficiency may include:
The at least one of the type of the vehicle, the starting position of the unmanned driving, the weight of the vehicle according to the change of the occupant and the load, the weight balance inside the vehicle, the weather and the road surface according to the weather, A method of guiding a non-accelerating section.

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