KR101694001B1 - Parking condition when vehicle crash prevention system - Google Patents

Parking condition when vehicle crash prevention system Download PDF

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Publication number
KR101694001B1
KR101694001B1 KR1020150076442A KR20150076442A KR101694001B1 KR 101694001 B1 KR101694001 B1 KR 101694001B1 KR 1020150076442 A KR1020150076442 A KR 1020150076442A KR 20150076442 A KR20150076442 A KR 20150076442A KR 101694001 B1 KR101694001 B1 KR 101694001B1
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South Korea
Prior art keywords
vehicle
distance
stage
obstacle
speed change
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KR1020150076442A
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Korean (ko)
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KR20160141285A (en
Inventor
박한길
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현대자동차주식회사
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Priority to KR1020150076442A priority Critical patent/KR101694001B1/en
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    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/09—Taking automatic action to avoid collision, e.g. braking and steering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143—Alarm means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Traffic Control Systems (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)

Abstract

The present invention relates to a vehicle control system for a vehicle, comprising: a movement sensing unit for sensing whether a vehicle is moving and outputting a signal corresponding to a vehicle behavior; A distance measuring unit for detecting an obstacle around the vehicle, measuring a distance to the obstacle, and outputting the signal; A shift control portion for shifting the speed change stage of the transmission to a specific speed change stage; And a controller for receiving a signal from the movement detecting unit and the distance measuring unit and inputting that the vehicle is moving from the movement detecting unit, and when the distance from the obstacle inputted from the distance measuring unit reaches the stored collision danger distance, And a controller for transmitting a command signal to the shift control portion so that the speed change end is shifted to the P-end.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle collision avoidance system,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a vehicle collision avoidance system in a parking state that prevents collision with surrounding obstacles when a vehicle is moved by an external force in a parking state of the vehicle.

Recently, as the number of the users of the vehicle increases, the space for parking the vehicle becomes short, and the parking lot becomes serious due to the limited parking lot. In this way, when the parking space is very narrow, or when the parking lot is full, the vehicle may inevitably be parked over a line.

In this case, it is possible to block the course of another vehicle or to interfere with the running of another vehicle. Inevitably, when parking a row or more in a limited parking lot, the gear of the vehicle is set as neutral so that the vehicle can be easily moved by the external force of the other person do.

However, when the vehicle is pushed forward and backward, if it is unable to recognize the surrounding obstacle on the path of the moving vehicle, the vehicle collides with another vehicle or collides with an obstacle such as a pillar.

Further, in a state in which the gear of the vehicle is set to the neutral position, an external force is applied when the vehicle is tilted so that the vehicle can be moved along the tilt. In this way, a vehicle moving along a slope may be damaged by colliding with surrounding obstacles, and a safety accident may be caused to a person passing the street.

Therefore, in the parking state of the vehicle, there is a need for a technique for preventing the breakage of the vehicle and the occurrence of a safety accident by restricting the movement of the vehicle according to the presence or absence of an obstacle around the vehicle when the vehicle moves by a force externally applied.

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

KR 20-1999-0027547 A (Jul. 15, 1999)

The present invention has been proposed in order to solve such a problem, and it is an object of the present invention to detect movement of a vehicle in a parking state, to limit the movement of the vehicle according to whether or not a peripheral obstacle is located when the vehicle moves, The present invention is directed to a vehicle collision avoidance system in a parking state in which a vehicle collision is prevented.

According to an aspect of the present invention, there is provided a vehicle collision avoidance system in a parking state, the system comprising: a movement sensing unit for sensing whether a vehicle is moving and outputting a signal corresponding to a vehicle behavior; A distance measuring unit for detecting an obstacle around the vehicle, measuring a distance to the obstacle, and outputting the signal; A shift control portion for shifting the speed change stage of the transmission to a specific speed change stage; And a controller for receiving a signal from the movement detecting unit and the distance measuring unit and inputting that the vehicle is moving from the movement detecting unit, and when the distance from the obstacle inputted from the distance measuring unit reaches the stored collision danger distance, And a controller for transmitting a command signal to the shift control portion so that the speed change stage is shifted to the P-stage.

And the movement sensing unit is a wheel sensor for sensing a rotation speed of the vehicle wheel.

The controller is turned off when the vehicle is turned off, and turned on when a signal corresponding to vehicle behavior is input from the movement detector.

When the speed change end is shifted to the P-end, the controller determines whether the elapsed time at the time of shifting to the P-end reaches the stored P-end release time, and if the elapsed time at the P- The command signal is transmitted to the shift control section so that the speed change stage is shifted to the N-th stage.

And the controller is turned off after transmitting a command signal to shift the speed change stage from the P-stage to the N-stage.

The controller determines whether the distance to the obstacle measured by the distance measuring unit is reached before the start of the vehicle is turned off and determines whether the distance reaches the previously stored collision danger distance. The control unit controls the shift control unit so that the speed change stage is shifted to the P stage depending on whether the distance to the obstacle has reached the collision danger distance.

The controller transmits a command signal to the shift control unit and transmits a notification message to the driver so that the shift range is shifted to the P range as the vehicle moves and the distance to the obstacle reaches the stored crash danger distance. do.

The controller receives a distance between the obstacle and the front and rear of the vehicle from the distance measuring unit. When the vehicle moves in a direction in which the distance between the front and rear obstacles reaches the collision danger distance, P < / RTI >

According to the vehicle collision avoidance system in the parked state having the above-described structure, when the vehicle is moving in the parking state of the vehicle, the movement of the vehicle is restricted according to whether or not the surrounding obstacle is located, Thereby preventing the vehicle from being damaged by the collision of the vehicle.

In this way, when another person applies an external force in the parking state, the collision with the surrounding vehicle or the obstacle is prevented during the movement of the vehicle, so that negligence due to carelessness can be prevented.

1 is a configuration diagram of a vehicle collision avoidance system in a parking state according to an embodiment of the present invention;
Fig. 2 is a view for explaining a vehicle collision avoidance system in the parking state shown in Fig. 1. Fig.
3 is an operational flowchart of a vehicle collision avoidance system in a parking state according to an embodiment of the present invention.

Hereinafter, a vehicle collision avoidance system in a parking state according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a configuration diagram of a vehicle collision avoidance system in a parking state according to an embodiment of the present invention, and FIG. 2 is a view for explaining a vehicle collision avoidance system in a parking state shown in FIG. 1. 1 is an operational flowchart of a vehicle collision avoidance system in a parking state according to an embodiment of the present invention.

As shown in FIGS. 1 and 2, the vehicle collision avoidance system in the parking state of the present invention includes a movement sensing unit 100 for sensing whether the vehicle is moving and outputting a signal according to the behavior of the vehicle; A distance measuring unit 200 for detecting an obstacle around the vehicle, measuring a distance to the obstacle, and outputting the signal; A shift control portion (300) for shifting the speed change end of the transmission to a specific speed change end; And a distance measuring unit 200 for receiving signals from the movement sensing unit 100 and the distance measuring unit 200. The distance measuring unit 200 receives input signals from the movement sensing unit 100, And a controller (400) for transmitting a command signal to the shift control unit (300) when the distance reaches a previously stored collision danger distance, thereby shifting the speed change stage to the P-stage.

The present invention prevents a vehicle from being damaged by a collision with an obstacle by restricting the movement of the vehicle when an obstacle is present when the vehicle is forcibly moved due to an external force in a state of an idling vehicle in which the starting of the vehicle is turned off.

To this end, the present invention determines whether the vehicle is moving through the movement sensing unit 100. That is, when the vehicle is forcibly moved as the speed change stage of the vehicle is positioned at the N-th stage and the external force is applied in the parked state, the movement sensing unit 100 senses it and transmits a signal to the controller 400 .

Accordingly, the controller 400 receives the distance information from the distance measuring unit 200, and when the distance to the obstacle reaches the stored collision danger distance, the transmission 400 shifts from the N-th stage to the P- And transmits a command signal to the control unit 300. Here, the collision danger distance can be set to a minimum distance that the vehicle and the surrounding obstacle do not hit each other, and can be variously set according to the initial setting.

In this way, the shift position of the transmission is shifted to the P-stage, so that the movement of the vehicle is restricted and collision with the obstacle is prevented.

The movement detecting unit 100 may be a wheel sensor that senses the rotational speed of the vehicle wheel. That is, as the vehicle is moved, a pulse change of the wheel sensor installed on the vehicle wheel is generated and transmitted to the controller 400 so that control according to the vehicle movement is performed in the parking state.

Meanwhile, the distance measuring unit 200 may be implemented with an ultrasonic sensor or an infrared sensor that detects a distance to an obstacle. In addition, an ambient view may be used to acquire a peripheral image and to detect whether there is an obstacle in the image acquisition area. Accordingly, it is possible to detect the surrounding obstacle while measuring the distance to the surrounding obstacle and transmit the information to the controller 400.

The shift control unit 300 shifts the speed change stage of the transmission to a specific speed change stage so that the transmission control lever can be pulled to shift from the N-stage to the P-stage, or the P- have. This technology can be operated by a motor drive, and a technique of automatically shifting the speed change stage of the transmission to shift the speed is known through various prior art documents, and a detailed description thereof will be omitted.

3, the controller 400 is turned off when the vehicle is turned off, and a signal corresponding to vehicle behavior is input from the movement sensing unit 100 The operation can be turned ON.

That is, when the vehicle is parked, the controller 400 enters the sleep mode in which the operation is turned off when the vehicle is turned off. At this time, the speed change stage is set to the N-th stage so that the vehicle can move when the external force is applied. When the signal corresponding to the vehicle behavior is input from the movement sensing unit 100 in the sleep mode state, the controller 400 is turned on even if the start is not turned on, so that the speed change stage is determined according to the information input from the distance measuring unit 200 So as to be shifted to the speed change stage.

When the operation of the controller 400 is received by receiving the signal of the movement sensing unit 100 as the vehicle moves, distance information from the distance measuring unit 200 is received from the distance measuring unit 200, Compare with distance. At this time, when the distance between the vehicle and the surrounding obstacle is within the stored collision danger distance, the controller 400 transmits a command signal to the shift control unit 300 so that the shift position is shifted to the P position.

Preferably, the controller 400 transmits a command signal to the shift control unit 300 so that the speed change end is shifted to the P-end as the vehicle moves and the distance between the obstacle and the obstacle reaches a previously stored collision danger distance, To the user. This notification message can be transmitted through the wireless communication terminal of the borrower. The borrower informs the borrower that the vehicle is shifted by the external force and the transmission gear is shifted to the P-stage, so that the borrower can recognize the necessity of the vehicle movement and cope with the situation.

The speed change stage is shifted from the N-th stage to the P-stage under the control of the transmission control unit 300 in accordance with the command signal of the controller 400. When the shifting to the P-stage is completed, It is determined whether the elapsed time at the time of shifting has reached the P-step release time. The reason for checking the elapsed time at the time of shifting to the P stage by setting the P stage release time is that when the shift stage is shifted to the P stage and then the shift state is maintained, There is a problem in blocking the movement path of another vehicle so that the vehicle can be moved after a certain time after the restriction of the movement of the vehicle.

Accordingly, the controller 400 transmits the command signal of the shift control unit 300 and, when the elapsed time at the time when the speed change stage is shifted to the P-stage reaches the P-stage release time, the speed change stage changes from the P- A command signal is transmitted to the shift control section so that the vehicle can be moved by an external force.

In this manner, the controller 400 transmits a command signal to shift the speed change stage from the P-stage to the N-stage, and then the operation is turned off to enter the sleep mode and return to the initial parking state.

Meanwhile, the controller 400 receives the distance information from the distance measuring unit 200 to the front and rear of the vehicle, and calculates a distance between the front and rear obstacles of the vehicle, The command signal may be transmitted to the shift control unit 300 so that the speed change end is shifted to the P-end.

That is, when the vehicle moves forward in a state where the distance to the obstacle from the obstacle reaches the collision danger distance in front of the vehicle, the speed change stage is shifted to the P stage to prevent the collision. When the vehicle is moved backward, do. On the other hand, when the vehicle is moved rearward with the distance to the obstacle reaching the rear end of the vehicle reaching the collision danger distance, the transmission gear is shifted to the P-stage and the vehicle is allowed to move when the vehicle is moved forward.

Accordingly, when the vehicle is required to be moved by an externally applied force, if there is a risk of collision with an obstacle in a certain direction, the transmission is shifted to the P-stage, thereby restricting the movement of the vehicle to prevent damage to the vehicle .

Meanwhile, in another embodiment of the present invention, the controller 400 receives the distance to the obstacle measured by the distance measuring unit 200 before the start of the vehicle is turned OFF, and determines whether the collision danger distance is reached When a signal corresponding to the vehicle behavior is input from the movement sensing unit 100 after the start of the vehicle is turned off, the shift control unit 120 controls the shift control unit 120 to shift the gear position to the P- (300).

That is, the controller 400 determines in advance whether the distance to the obstacle measured by the distance measuring unit 200 is within the collision danger distance before the start-up is turned off, and stores the result. When a signal corresponding to the vehicle behavior is input from the movement sensing unit 100, when the operation is ON and the distance from the stored peripheral obstacle is within the collision danger distance, a command signal is transmitted to the shift control unit 300 so that the transmission is shifted to the P- It will deliver.

Therefore, it is possible to prevent the vehicle from being damaged by collision with the surrounding obstacle by restricting the movement of the vehicle immediately in the vehicle behavior in the parking state.

According to the vehicle collision avoidance system having the above-described structure, it is possible to detect the movement of the vehicle in the parking state of the vehicle, restrict the movement of the vehicle according to whether the surrounding obstacle is positioned when the vehicle is moving, Prevent damage to the vehicle due to collision.

In this way, when another person applies an external force in the parking state, the collision with the surrounding vehicle or the obstacle is prevented during the movement of the vehicle, so that negligence due to carelessness can be prevented.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, 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 by the following claims It will be apparent to those of ordinary skill in the art.

100: movement detecting unit 200: distance measuring unit
300: Transmission control section 400:

Claims (8)

A movement detector for sensing whether the vehicle is moving and outputting a signal corresponding to the behavior of the vehicle;
A distance measuring unit for detecting an obstacle around the vehicle, measuring a distance to the obstacle, and outputting the signal;
A shift control portion for shifting the speed change stage of the transmission to a specific speed change stage; And
And a control unit for receiving a signal from the movement detecting unit and the distance measuring unit and inputting that the vehicle is moving from the movement detecting unit and when the distance from the obstacle inputted from the distance measuring unit reaches a previously stored collision danger distance, And a controller for transmitting a command signal to the control unit so that the speed change stage is shifted to the P-stage,
The controller determines whether the distance to the obstacle measured by the distance measuring unit is reached before the start of the vehicle is turned off and determines whether the distance reaches the previously stored collision danger distance. Wherein the control unit controls the shift control unit to shift the speed change stage to the P-stage according to whether the distance to the obstacle obstructed beforehand reaches the collision danger distance. The method according to claim 1,
Wherein the movement sensing unit is a wheel sensor for sensing a rotation speed of the vehicle wheel. The method according to claim 1,
Wherein the controller is turned off when the vehicle is turned off, and turned on when a signal corresponding to the vehicle behavior is input from the movement detector. The method according to claim 1,
When the speed change end is shifted to the P-end, the controller determines whether the elapsed time at the time of shifting to the P-end reaches the stored P-end release time, and if the elapsed time at the P- And transmits a command signal to the shift control section so that the speed change stage is shifted to the N-th stage. The method of claim 4,
Wherein the controller is turned off after transmitting a command signal to shift the speed change stage from the P-stage to the N-stage. delete The method according to claim 1,
The controller transmits a command signal to the shift control unit and transmits a notification message to the driver so that the shift range is shifted to the P range as the vehicle moves and the distance to the obstacle reaches the stored crash danger distance. A vehicle collision avoidance system in a parking state. The method according to claim 1,
When the vehicle is moved in a direction in which the distance between the front and rear obstacles reaches the collision danger distance, the gear position is shifted to the P-stage And transmits a command signal to the shift control unit so as to be shifted.
KR1020150076442A 2015-05-29 2015-05-29 Parking condition when vehicle crash prevention system KR101694001B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020189818A1 (en) * 2019-03-19 2020-09-24 엘지전자 주식회사 Cart for stopping in parallel with installation and moving method
KR20200126764A (en) 2019-04-30 2020-11-09 에스케이텔레콤 주식회사 Apparatus and method for monitoring vehicle in parking lot
KR20200140070A (en) 2019-06-05 2020-12-15 에스케이텔레콤 주식회사 Apparatus and method for providing parking guide, and apparatus and method for providing driving path using the same
KR20200140054A (en) 2019-06-05 2020-12-15 에스케이텔레콤 주식회사 Apparatus and method for guiding parking fee
US11511425B2 (en) 2019-03-19 2022-11-29 Lg Electronics Inc. Robot stopping parallel to installed object and method of stopping the same

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KR100861883B1 (en) * 2007-11-21 2008-10-09 대성전기공업 주식회사 An apparatus for preventing a car from damage on double parking

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KR20130141932A (en) * 2012-06-18 2013-12-27 에스엘 주식회사 System and method for remotely controlling automatic transmission unit and parking break unit
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KR100513516B1 (en) 2002-12-20 2005-09-07 현대자동차주식회사 Parking control device of vehicle and method thereof
KR100861883B1 (en) * 2007-11-21 2008-10-09 대성전기공업 주식회사 An apparatus for preventing a car from damage on double parking

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020189818A1 (en) * 2019-03-19 2020-09-24 엘지전자 주식회사 Cart for stopping in parallel with installation and moving method
US11511425B2 (en) 2019-03-19 2022-11-29 Lg Electronics Inc. Robot stopping parallel to installed object and method of stopping the same
KR20200126764A (en) 2019-04-30 2020-11-09 에스케이텔레콤 주식회사 Apparatus and method for monitoring vehicle in parking lot
KR20210098894A (en) 2019-04-30 2021-08-11 에스케이텔레콤 주식회사 Apparatus and method for monitoring vehicle in parking lot
KR20200140070A (en) 2019-06-05 2020-12-15 에스케이텔레콤 주식회사 Apparatus and method for providing parking guide, and apparatus and method for providing driving path using the same
KR20200140054A (en) 2019-06-05 2020-12-15 에스케이텔레콤 주식회사 Apparatus and method for guiding parking fee

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