KR20220076902A - Transfortation information providing system of vehicle and method thereof - Google Patents

Abstract

The present invention comprises the steps of recognizing a front traffic situation and a traffic signal of a large vehicle with a front sensor, and recognizing a rear traffic condition of the large vehicle with a rear sensor; calculating an alternative route of the following vehicle based on the detection signals of the front sensor and the rear sensor; and providing information on the forward traffic condition detected by the front sensor and the alternative route calculated by the alternative route calculation unit to the following vehicle.

Description

TRANSFORTATION INFORMATION PROVIDING SYSTEM OF VEHICLE AND METHOD THEREOF

The present invention relates to a technology for guiding traffic information to a vehicle following a large vehicle or the like.

A large vehicle with a significantly larger front projection area than a general vehicle, such as a large trailer or truck (hereinafter referred to as "large vehicle"), obscures the view of the following vehicle to a very large extent, so the vehicle following is difficult to properly recognize, and it is easy to cause psychological frustration or anxiety in the driver, and furthermore, it may cause a traffic accident.

The matters described as the background technology of the invention are only for improving the understanding of the background of the invention, and should not be taken as acknowledging that they correspond to the prior art already known to those of ordinary skill in the art. will be

JP 2010-072713 A KR 10-1890677 B1

The present invention enables a large vehicle to provide not only the traffic situation in front of it to the following vehicle at an intersection, but also alternative route information based on it, so that the following vehicle of the large vehicle can drive more safely and conveniently, An object of the present invention is to provide a vehicle traffic information guidance system and method that can prevent the occurrence of traffic accidents.

The present invention vehicle traffic information guidance system for achieving the above object,

Front sensors installed on large vehicles to recognize the traffic conditions and traffic signals ahead;

a rear sensor installed in the large vehicle to recognize a rear traffic situation of the large vehicle;

a communication unit provided in the large vehicle to enable information communication with the following vehicle;

an alternative route calculation unit configured to calculate an alternative route of the following vehicle based on the detection signals of the front sensor and the rear sensor;

a control unit provided to provide information on the forward traffic condition detected by the front sensor and the alternative route calculated by the alternative route calculation unit to a following vehicle through the communication unit;

It is characterized in that it comprises a.

The control unit may be configured to provide information on the alternative route to the following vehicle when the following vehicle's intention to overtake or change lane is confirmed.

The control unit may be configured to check a blinking state of a turn signal lamp of the following vehicle with the rear sensor to confirm an intention to overtake or change lanes of the following vehicle.

the following vehicle includes a communication device capable of transmitting an intention to overtake or change lanes to a communication unit of the large vehicle through inter-vehicle communication;

The control unit of the large vehicle may be configured to provide information on an alternative route to the following vehicle when an intention to overtake or change lanes of the following vehicle is transmitted through the communication unit.

The alternative route calculation unit is configured to calculate the degree of risk of each alternative route together when a plurality of alternative routes capable of overtaking or lane change of a following vehicle are calculated;

The control unit may be configured to provide the following vehicle with the calculated alternative route and the degree of risk through the communication unit.

the rear sensor is configured to detect a situation of a blind spot immediately behind and behind the large vehicle;

The alternative route calculation unit may be configured to calculate an alternative route capable of overtaking or changing into a lane of the vehicle in front by considering the situation in the front and rear blind spots of the large vehicle.

The control unit monitors a situation in which the following vehicle follows the rear of the large vehicle, and as the inter-vehicle distance maintained by the rear vehicle with the large vehicle is relatively short and the acceleration/deceleration is relatively rapid, an early warning of the dangerous situation It can be configured to perform in

The control unit of the large vehicle detects that the following vehicle deviates from the own lane by the rear sensor, and when it is determined that a risk on an alternative route including the lane to which the following vehicle is headed is determined, it is configured to warn the following vehicle can be

The control unit may be configured to provide and warn information about a dangerous situation in front and a dangerous situation in the rear of the large vehicle when the intention to overtake or change lanes of the following vehicle is not confirmed.

In addition, the traffic information guide method of the present invention for achieving the object as described above,

Recognizing a front traffic situation and traffic signal of the large vehicle with a front sensor, and recognizing a rear traffic condition of the large vehicle with a rear sensor;

calculating an alternative route of the following vehicle based on the detection signals of the front sensor and the rear sensor;

providing information on the forward traffic condition detected by the front sensor and the alternative route calculated by the alternative route calculation unit to the following vehicle;

It is characterized in that it comprises a.

confirming an intention to overtake or change lanes of the following vehicle;

further comprising,

When an intention to overtake or change lanes of the following vehicle is confirmed, information on the alternative route may be provided to the following vehicle.

When the direction indicator lamp of the following vehicle is flickering with the rear sensor and the one side turn signal lamp of the following vehicle starts to flash, the following vehicle through the lane on which the direction indicator lamp is flashing indicates that there is an intention to overtake or change lanes can be checked

the following vehicle transmits an intention to overtake or change lanes to the large vehicle through vehicle-to-vehicle communication;

The large vehicle may be configured to provide information on an alternative route to the following vehicle when an intention to overtake or change lanes of the following vehicle is transmitted through the vehicle-to-vehicle communication.

In the calculating of the alternative route, when a plurality of alternative routes capable of overtaking or lane change of a following vehicle are calculated, the degree of risk of each alternative route is calculated together;

In the step of providing the information on the alternative route to the following vehicle, the calculated alternative route and the degree of risk may be provided together.

In the step of recognizing the rear traffic situation of the large vehicle with the rear sensor, detecting the situation of the blind spots immediately behind and behind the large vehicle;

In the calculating of the alternative route, an alternative route capable of overtaking or changing into a lane may be calculated in consideration of the situation in the front and rear blind spots of the large vehicle.

When the intention to overtake or change lanes of the following vehicle is not confirmed, the method may further include providing and warning information about a dangerous situation in front and a dangerous situation in the rear of the large vehicle.

By monitoring the situation in which the following vehicle follows the rear of the large vehicle, the warning of the dangerous situation is performed earlier as the inter-vehicle distance maintained by the rear vehicle with the large vehicle is relatively short and the acceleration/deceleration is relatively rapid. can

Detecting that the following vehicle deviates from the own lane by the rear sensor, and warning the following vehicle when a risk on an alternative route including a lane to which the following vehicle is directed is determined can

The present invention enables a large vehicle to provide not only the traffic condition in front of the vehicle following the vehicle at an intersection, but also alternative route information based on it, so that the vehicle following the large vehicle can drive more safely and conveniently, It is effective in preventing the occurrence of traffic accidents.

1 is a view for explaining the configuration of a vehicle traffic information guide system according to the present invention;
2 is a view for explaining the operation of the vehicle traffic information guide system according to the present invention;
3 is a flowchart illustrating an embodiment of a method for guiding traffic information of a vehicle according to the present invention.

Specific structural or functional descriptions of the embodiments of the present invention disclosed in the present specification or application are only exemplified for the purpose of describing the embodiments according to the present invention, and the embodiments according to the present invention may be implemented in various forms. and should not be construed as being limited to the embodiments described in the present specification or application.

Since the embodiment according to the present invention can have various changes and can have various forms, specific embodiments are illustrated in the drawings and described in detail in the present specification or application. However, this is not intended to limit the embodiment according to the concept of the present invention with respect to a specific disclosed form, and should be understood to include all changes, equivalents or substitutes included in the spirit and scope of the present invention.

Terms such as first and/or second may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one element from another element, for example, without departing from the scope of the present invention, a first element may be called a second element, and similarly The second component may also be referred to as the first component.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle. Other expressions describing the relationship between elements, such as "between" and "immediately between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present specification, terms such as “comprise” or “have” are intended to designate that the described feature, number, step, operation, component, part, or a combination thereof exists, and includes one or more other features or numbers. , it should be understood that it does not preclude the existence or addition of steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having meanings consistent with the context of the related art, and unless explicitly defined in the present specification, they are not to be interpreted in an ideal or excessively formal meaning. .

Hereinafter, the present invention will be described in detail by describing preferred embodiments of the present invention with reference to the accompanying drawings. Like reference numerals in each figure indicate like elements.

1 and 2, an embodiment of the vehicle traffic information guidance system of the present invention includes a front sensor 1 installed in a large vehicle (BV) to recognize a front traffic situation and a traffic signal; a rear sensor (3) installed in the large vehicle (BV) to recognize the rear traffic situation of the large vehicle (BV); a communication unit 5 provided in the large vehicle (BV) to enable information communication with the following vehicle (RV); an alternative route calculation unit (7) configured to calculate an alternative route of the following vehicle (RV) based on the detection signals of the front sensor (1) and the rear sensor (3); A control unit provided to provide information on the forward traffic condition detected by the front sensor 1 and the alternative route calculated by the alternative route calculation unit 7 to the following vehicle RV through the communication unit 5 (9) is included.

That is, the traffic information guidance system of the present invention is provided in the large vehicle (BV) as described above, and the traffic signal and information on the traffic condition detected through the front sensor 1 and the rear sensor 3 are followed by the rear. In addition to providing to the vehicle RV, the following vehicle RV can also provide information on an alternative route for overtaking or lane change, so that the following vehicle RV can drive more safely and comfortably To make this possible and to avoid the risk of potential traffic accidents.

Here, as the front sensor 1, a front camera, a front radar, a front lidar, etc. may be used, and in particular, for the detection of a traffic signal expressed by the traffic light 11, the front camera is necessarily included. desirable.

As the rear sensor 3, a rear camera, a rear radar, a rear lidar, etc. may be used, and in particular, a vehicle following immediately behind the large vehicle (BV) or other traffic conditions can be grasped. It is preferable that the rear sensor 3 is provided so as to detect even the blind spots of the side and rear of the large vehicle (BV).

On the other hand, the communication unit 5 may be preferably configured as a device capable of implementing vehicle-to-vehicle wireless communication using radio waves or the like.

The controller 9 may be configured to provide information on the alternative route to the following vehicle RV when the following vehicle RV intends to overtake or change lanes is confirmed.

That is, instead of unconditionally providing an alternative route to the following vehicle (RV), information on the alternative route is provided to the following vehicle (RV) only when the following vehicle (RV) has actively notified the intention to overtake or change lanes. .

The control unit 9 may be configured to confirm the intention to overtake or change lanes of the following vehicle RV by checking the blinking state of the direction indicator light of the following vehicle RV with the rear sensor 3 .

In addition, when the following vehicle RV is provided with a communication device capable of transmitting an intention to overtake or lane change to the communication unit 5 of the large vehicle BV through inter-vehicle communication, the The control unit 9 may be configured to provide information on an alternative route to the following vehicle RV when an intention to overtake or change lanes of the following vehicle is transmitted through the communication unit 5 .

Here, as the communication device of the following vehicle (RV), all types of human machine (HMI) that can specifically input requirements such as, for example, from the current lane to which lane, whether to pass or change lanes, etc. interface) may be used.

The alternative route calculation unit 7 is configured to calculate the risk of each alternative route together when a plurality of alternative routes capable of overtaking or lane change of the following vehicle RV are calculated, and the controller 9 is configured to include the communication unit Through (5), it may be configured to provide the following vehicle RV with the calculated alternative route and its risk.

That is, the alternative route calculation unit 7 considers, for example, the movement of pedestrians on the crosswalk, the movement direction and speed of other vehicles on the intersection, and the traffic situation behind the adjacent lane including the blind spot at the rear, the following vehicle. The RV calculates a number of possible alternative routes for overtaking or lane change, and at this time, calculates the corresponding risk for each alternative route, and guides the vehicle behind the alternative route and the corresponding risk together. .

Here, the degree of risk is, for example, a state in which there are currently no pedestrians at a location where the following vehicle RV is expected to pass, and the level of risk when it is expected that there will be no pedestrians even at a time when the following vehicle RV is expected to pass. , is calculated relatively low compared to the case where the current pedestrian is or is expected to be present at the expected location.

As described above, the rear sensor 3 is configured to detect the situation of the blind spots immediately behind and behind the large vehicle BV, and the alternative route calculating unit 7 is ), taking into account the situation of the side and rear blind spots and the situation ahead, it may be configured to calculate an alternative route that can be overtaken by the vehicle in front or change into a lane.

That is, the target vehicle receiving the information on the alternative route may be limited to a vehicle located immediately behind the large vehicle BV on the same lane, and in this case, the alternative route is the large vehicle BV and the vehicle behind. Since lanes located on both sides of the lane are included, the alternative route can be calculated by considering the situation of the blind spot on the side and rear of the large vehicle (BV).

On the other hand, when the intention to overtake or change lanes of the following vehicle (RV) is not confirmed, the control unit 9 provides and warns information about a dangerous situation ahead and a dangerous situation in the rear of the large vehicle (BV). can be

That is, while the following vehicle RV is following the rear of the large vehicle BV, but does not specifically attempt to overtake or express an intention to change lanes, a dangerous situation in front that can be sensed by the large vehicle BV and the rear It is to provide information on the dangerous situation of the side to the following vehicle (RV) and to warn the following vehicle (RV) to help the safe driving of the rear vehicle.

In addition, the control unit 9 monitors a situation in which the following vehicle RV follows the rear of the large vehicle BV, and the inter-vehicle distance maintained by the rear vehicle with the large vehicle BV is relatively short and As the acceleration/deceleration is relatively rapid, the warning for the dangerous situation may be configured to be performed earlier.

That is, when the following vehicle (RV) follows the large vehicle (BV) very closely and follows closely to a level where it is difficult to maintain a safe distance, or follows while rapidly accelerating and decelerating, the adjacent lane is more rapidly than in the case of not. There is a high possibility of an attempt to overtake through the vehicle, and in this case, the possibility of an accident is very high due to traffic conditions that have not been confirmed by the following vehicle (RV). , otherwise the same traffic situation may not be dangerous for a following vehicle (RV) that drives smoothly with gentle acceleration and deceleration while maintaining sufficient inter-vehicle distance, and the dangerous situation may be resolved soon. The notification is made after a relatively small amount of time has elapsed, so that unnecessary information is not transmitted to the driver of the following vehicle (RV) or unnecessary anxiety is not caused.

In addition, the control unit 9 of the large vehicle (BV) detects that the following vehicle (RV) deviates from the own lane by the rear sensor (3), and the lane to which the following vehicle (RV) is headed is included When a risk on the alternative route is determined, it may be configured to warn the following vehicle (RV).

That is, when the following vehicle RV arbitrarily departs from the lane without notifying the intention of overtaking or lane change through flashing turn signals or other communication methods, the following vehicle RV arbitrarily passes or enters the lane It is intended to be changed, or may be drowsiness or careless driving. As described above, the following vehicle (RV) is warned of a danger to prevent the occurrence of an accident.

3 shows an embodiment of a vehicle traffic information guidance method according to the present invention, wherein the front sensor 1 recognizes the front traffic situation and traffic signal of the large vehicle BV, and the rear sensor 3 recognizes the Recognizing the rear traffic situation of the large vehicle (BV) (S10); calculating an alternative route of the following vehicle (RV) based on the detection signals of the front sensor (1) and the rear sensor (3) (S20); and providing information on the forward traffic condition detected by the front sensor 1 and the alternative route calculated by the alternative route calculating unit 7 to the following vehicle (RV) (S40).

In addition, the present invention further includes the step (S30) of confirming the intention to overtake or change lanes of the following vehicle (RV), and when the intention to overtake or change lanes of the following vehicle (RV) is confirmed, the alternative route is configured to provide information on the following vehicle (RV).

Here, the step (S20) of calculating the alternative route of the following vehicle (RV) may be performed after the step (S30) of confirming the intention to overtake or change the lane of the following vehicle (RV), but in this embodiment In consideration of that, if an alternative route is calculated after confirming the intention as described above, the time required to calculate the route may be excessive, and appropriate information may not be provided to the following vehicle (RV) at an appropriate time. Before confirming the intention to overtake or change lanes of the following vehicle (RV), the work of calculating an alternative route for the following vehicle (RV) was started.

The intention to overtake or change lanes of the rear vehicle checks the blinking state of the turn indicator light of the following vehicle RV with the rear sensor 3, It can be confirmed that there is an intention to overtake or change lanes of a following vehicle (RV) through the lane on which the turn signal lamp is flashing.

In addition, the following vehicle (RV) transmits an intention to overtake or change lanes to the large vehicle (BV) through inter-vehicle communication, and the large vehicle (BV) overtakes or lanes of the following vehicle through the inter-vehicle communication It may be configured to provide information on an alternative route to the following vehicle (RV) when a change intention is received.

In the step of calculating the alternative route (S20), when a plurality of alternative routes capable of overtaking or lane change of the following vehicle (RV) are calculated, the degree of risk of each alternative route is calculated together, and information on the alternative route is obtained. In the step of providing the following vehicle RV ( S40 ), the calculated alternative route and the degree of risk thereof may be provided together.

In the step (S10) of recognizing the rear traffic situation of the large vehicle (BV) with the rear sensor (3), the situation of the front and rear blind spots of the large vehicle (BV) is detected, and the alternative route is selected In the calculating step ( S20 ), it is possible to calculate an alternative route capable of overtaking or changing into a lane of the vehicle directly behind in consideration of the situation in the front and rear blind spots of the large vehicle (BV).

In addition, the present invention is a step of providing and warning information about the dangerous situation ahead and the dangerous situation in the rear of the large vehicle (BV) when the intention to overtake or change the lane of the following vehicle (RV) is not confirmed (S50) It may be configured to further include.

By monitoring a situation in which the following vehicle RV follows the rear of the large vehicle BV, the inter-vehicle distance maintained by the rear vehicle with the large vehicle BV is relatively short and the acceleration/deceleration is relatively rapid, the greater the risk It would be desirable to give early warning of the situation.

When it is detected by the rear sensor 3 that the following vehicle RV deviates from its own lane, and a risk on an alternative route including the lane to which the following vehicle RV is directed is determined, it is detected by the following vehicle ( RV) may be configured to further include a warning step (S60).

Although the present invention has been shown and described with reference to specific embodiments, it is within the art that the present invention can be variously improved and changed without departing from the spirit of the present invention provided by the following claims. It will be obvious to those of ordinary skill in the art.

One; front sensor
3; rear sensor
5; communication department
7; Alternative route calculator
9; control
11; Traffic Light
BV; large vehicle
RV; trailing vehicle

Claims (18)

Front sensors installed in large vehicles to recognize the traffic conditions and traffic signals ahead;
a rear sensor installed in the large vehicle to recognize a rear traffic situation of the large vehicle;
a communication unit provided in the large vehicle to enable information communication with the following vehicle;
an alternative route calculation unit configured to calculate an alternative route of the following vehicle based on the detection signals of the front sensor and the rear sensor;
a control unit provided to provide information on the forward traffic condition detected by the front sensor and the alternative route calculated by the alternative route calculation unit to a following vehicle through the communication unit;
A vehicle traffic information guidance system, characterized in that it comprises a. The method according to claim 1,
The control unit is configured to provide information on the alternative route to the following vehicle when the following vehicle's intention to overtake or change lane is confirmed
Vehicle traffic information guidance system, characterized in that. 3. The method according to claim 2,
The control unit is configured to confirm the intention to overtake or change lanes of the following vehicle by checking the blinking state of the direction indicator light of the following vehicle with the rear sensor
Vehicle traffic information guidance system, characterized in that. 3. The method according to claim 2,
the following vehicle includes a communication device capable of transmitting an intention to overtake or change lanes to a communication unit of the large vehicle through inter-vehicle communication;
The control unit of the large vehicle is configured to provide information on an alternative route to the following vehicle when an intention to overtake or change lane of the following vehicle is transmitted through the communication unit
Vehicle traffic information guidance system, characterized in that. The method according to claim 1,
The alternative route calculation unit is configured to calculate the degree of risk of each alternative route together when a plurality of alternative routes capable of overtaking or lane change of a following vehicle are calculated;
The control unit is configured to provide the calculated alternative route and the degree of risk to the following vehicle through the communication unit
Vehicle traffic information guidance system, characterized in that. The method according to claim 1,
the rear sensor is configured to detect a situation of a blind spot immediately behind and behind the large vehicle;
The alternative route calculation unit is configured to calculate an alternative route that can be overtaken or changed into a lane of the vehicle in front by considering the situation in the front and rear blind spots of the large vehicle
Vehicle traffic information guidance system, characterized in that. The method according to claim 1,
The control unit of the large vehicle is configured to detect that the following vehicle deviates from the own lane by the rear sensor, and to warn the following vehicle when it is determined that a risk on an alternative route including the lane to which the following vehicle is directed is determined thing
Vehicle traffic information guidance system, characterized in that. The method according to claim 1,
The control unit is configured to provide and warn information on a dangerous situation in front and a dangerous situation in the rear of the large vehicle when the intention to overtake or change lane of the following vehicle is not confirmed
Vehicle traffic information guidance system, characterized in that. 9. The method of claim 8,
The control unit monitors a situation in which the following vehicle follows the rear of the large vehicle, and as the inter-vehicle distance maintained by the rear vehicle with the large vehicle is relatively short and the acceleration/deceleration is relatively rapid, an early warning of the dangerous situation configured to perform on
Vehicle traffic information guidance system, characterized in that. Recognizing a front traffic situation and traffic signal of the large vehicle with a front sensor, and recognizing a rear traffic condition of the large vehicle with a rear sensor;
calculating an alternative route of the following vehicle based on the detection signals of the front sensor and the rear sensor;
providing information on the forward traffic condition detected by the front sensor and the alternative route calculated by the alternative route calculation unit to the following vehicle;
A method of guiding traffic information of a vehicle, characterized in that it comprises a. 11. The method of claim 10,
confirming an intention to overtake or change lanes of the following vehicle;
further comprising,
configured to provide information on the alternative route to the following vehicle when it is confirmed that the following vehicle intends to overtake or change lanes
A method of guiding traffic information of a vehicle, characterized in that. 12. The method of claim 11,
When the direction indicator lamp of the following vehicle is flickering with the rear sensor and the one side turn signal lamp of the following vehicle starts to flash, the following vehicle through the lane on which the direction indicator lamp is flashing indicates that there is an intention to overtake or change lanes to check
A method of guiding traffic information of a vehicle, characterized in that. 12. The method of claim 11,
the following vehicle transmits an intention to overtake or change lanes to the large vehicle through vehicle-to-vehicle communication;
The large vehicle is configured to provide information on an alternative route to the following vehicle when an intention to overtake or change lane of the following vehicle is transmitted through the vehicle-to-vehicle communication
A method of guiding traffic information of a vehicle, characterized in that. 11. The method of claim 10,
In the calculating of the alternative route, when a plurality of alternative routes capable of overtaking or lane change of a following vehicle are calculated, the degree of risk of each alternative route is calculated together;
In the step of providing information on the alternative route to the following vehicle, providing the calculated alternative route and the risk level together
A method of guiding traffic information of a vehicle, characterized in that. 11. The method of claim 10,
In the step of recognizing the rear traffic situation of the large vehicle with the rear sensor, detecting the situation of the blind spots immediately behind and behind the large vehicle;
In the step of calculating the alternative route, calculating an alternative route capable of overtaking or changing into a lane of the vehicle in front of the vehicle in consideration of the situation in the front and rear blind spots of the large vehicle
A method of guiding traffic information of a vehicle, characterized in that. 11. The method of claim 10,
When the intention to overtake or change lanes of the following vehicle is not confirmed, the method further comprising the step of providing and warning information about a dangerous situation in front and a dangerous situation in the rear of the large vehicle
A method of guiding traffic information of a vehicle, characterized in that. 17. The method of claim 16,
By monitoring the situation in which the following vehicle follows the rear of the large vehicle, the warning of the dangerous situation is performed early as the inter-vehicle distance maintained by the rear vehicle with the large vehicle is relatively short and the acceleration/deceleration is relatively rapid thing
A method of guiding traffic information of a vehicle, characterized in that. 11. The method of claim 10,
Detecting that the following vehicle deviates from the own lane by the rear sensor, and when it is determined that a risk on an alternative route including the lane to which the following vehicle is headed is determined, further comprising the step of warning the following vehicle
A method of guiding traffic information of a vehicle, characterized in that.

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