KR20120045596A - Dead side area vehicle collapse preventing device and safety method thereof - Google Patents

Dead side area vehicle collapse preventing device and safety method thereof Download PDF

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Publication number
KR20120045596A
KR20120045596A KR1020100107229A KR20100107229A KR20120045596A KR 20120045596 A KR20120045596 A KR 20120045596A KR 1020100107229 A KR1020100107229 A KR 1020100107229A KR 20100107229 A KR20100107229 A KR 20100107229A KR 20120045596 A KR20120045596 A KR 20120045596A
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KR
South Korea
Prior art keywords
ecu
collision
vehicle
steering
driver
Prior art date
Application number
KR1020100107229A
Other languages
Korean (ko)
Inventor
김정구
Original Assignee
현대모비스 주식회사
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Publication date
Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020100107229A priority Critical patent/KR20120045596A/en
Publication of KR20120045596A publication Critical patent/KR20120045596A/en

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    • 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
    • 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
    • B60W10/20—Conjoint control of vehicle sub-units of different type or different function including control of steering 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
    • 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
    • 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
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits

Abstract

PURPOSE: A device for preventing dead side area vehicle collision and controlling method thereof are provided to fundamentally remove the danger of collision by direct control of steering wheel regardless of driver's mind by using communication between a collision preventing device and a MDPS which is an electric steering device. CONSTITUTION: A device for preventing dead side area vehicle collision comprises a MDPS ECU(1), a collision preventing ECU(2), and an alarming speaker(5). The MDPS ECU controls a motor assisting steering power. The collision protecting ECU detects vehicles in dead side area, and generates steering force against a steering mind of a driver(4). The collision preventing ECU receives information about distance between vehicles, and detected space information from a dead side area detecting sensor, receives information about steering mind and steering force of a driver from a steering wheel sensor, by inter-communicating with the MDPS ECU, and generates signal to the alarming speaker. The alarming speaker informs vehicles in dead side are by the signal of the collision preventing ECU.

Description

Dead Side Area Vehicle Collapse Preventing Device and Safety Method

The present invention relates to a collision avoidance with a vehicle, and more particularly, to a collision avoidance apparatus with a vehicle located in the blind spots on both left and right sides of a running vehicle and a control method thereof.

In general, the side mirrors installed to the left and right sides undesirably form a blind spot, which may cause an unexpected collision with the blind spot vehicle when the driver changes lanes.

Therefore, various devices and methods are being applied and developed to secure safety from such collision accidents.

A representative example of such a collision safety method is a method of detecting and informing a vehicle near a driver's blind spot using a sensor.

However, if only the passive blind vehicle that is detected as described above and not directly involved in the driver's steering intention, the safety of the collision accident caused by the blind spot vehicle is highly dependent on the driver's disposition. There is a side.

For example, even if the driver is notified of a blind spot vehicle, a driver who is adapted for long-term use may be generated when the driver does not recognize the warning sound or the warning sound, so there is a risk of collision and the warning sound even when the driver is not willing to change lanes. A voice may also be generated to make the driver feel uncomfortable.

Accordingly, the present invention in view of the above point, the present invention recognizes and warns the blind spot vehicle of the driving vehicle through the collision avoidance device, and direct manipulation of the steering wheel irrelevant to the driver's will through communication with MDPS, an electric steering device. Accordingly, an object of the present invention is to provide a blind spot vehicle collision preventing apparatus and a control method thereof, which can fundamentally eliminate a collision risk with a blind spot vehicle more actively.

Blind spot collision prevention device of the present invention for achieving the above object is an MDPS ECU for controlling a motor to assist the steering force;

An anti-collision ECU communicating with the MDPS ECU so as to detect a blind spot vehicle, grasp a driver's steering intention, and generate a steering force contrary thereto;

A warning device for recognizing a blind spot vehicle detected by a driver as an output signal of the collision preventing ECU;

Characterized in that configured to include.

The anti-collision ECU is provided with the vehicle distance and space detection information from a blind spot sensor for detecting blind spot vehicles, and receives information about the driver's steering will and steering power from the steering wheel sensor, and generates an output signal to the warning device. do.

In addition, the blind spot vehicle collision prevention control method of the present invention for achieving the above object comprises the steps of determining by the collision avoidance ECU receiving detection information on the presence of the vehicle for the left and right blind spots of the running vehicle;

Determining the driver's steering intention when the vehicle in the blind spot is detected by the collision avoidance ECU;

When the collision avoidance ECU detects the driver's steering intention, the steering force reduction value may be calculated by taking into account the vehicle speed value of the vehicle in the blind spot together with the detected driver's steering intention value. Transmitting the received information to the MDPS ECU for controlling the motor of the electric steering apparatus;

Operating the steering wheel with a steering force that can be offset against the driver's steering intention by driving the motor using information provided from the collision avoidance ECU in the MDPS ECU;

After the steering wheel is forcibly operated by the MDPS ECU, determining whether the collision prevention ECU changes lanes while the vehicle is being driven;

The collision avoidance ECU maintains the driving state of the driving vehicle when it is determined that there is no lane change of the driving vehicle;

Characterized in that implemented.

If the collision avoidance ECU detects the driver's steering intention, further comprising the step of warning the driver of the possibility of collision with the vehicle existing in the blind spot.

The MDPS ECU and the collision avoidance ECU communicate with each other by CAN communication, communication using hardware, serial communication, or wireless (bluetooth, zigbee) communication.

The present invention fundamentally eliminates the risk of collision by direct manipulation of the steering wheel irrelevant to the driver's will by using the communication between the collision avoidance device for detecting and warning the blind spot vehicle of the driving vehicle and the MDPS which is an electric steering device. Will be.

In addition, the present invention has the effect that the steering force of the driver is attenuated by the steering wheel operation to avoid the collision risk by using the MDPS which is an electric steering device, which can greatly increase the driver's steering safety.

1 is a block diagram of a blind spot collision prevention device according to the present invention, Figure 2 is an operation of the blind spot collision prevention device according to the present invention, Figure 3 is a blind spot collision prevention control method according to the present invention Is a flow chart.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Since the exemplary embodiments of the present invention may be embodied in various different forms, one of ordinary skill in the art to which the present invention pertains may be described herein. It is not limited to the Example to make.

1 is a configuration diagram of a blind spot collision prevention apparatus according to the present embodiment, Figure 2 shows a schematic configuration diagram of a vehicle of the collision prevention apparatus according to the present embodiment.

As shown, the blind spot vehicle collision prevention device is an MDPS ECU (1) for controlling the motor driven power steering (MDPS), which is an electric steering device, and the MDPS ECU (1) for information on the required torque and steering angle required for steering. ) Is composed of an anti-collision ECU (2) for controlling an anti-collision device communicating with each other.

In this embodiment, although CAN communication is used as an example of communication between the MDPS ECU and the collision avoidance ECU, in practice, the communication is performed using hardware, serial communication, or wireless communication (bluetooth, zigbee). Properly configured

The MDPS ECU 1 refers to a controller that includes a control of a motor that transmits power to a warm-shaft and a worm wheel constituting the MDPS to assist the steering force.

The anti-collision ECU 2 is provided with the distance between the vehicle and the space detection information from the square detection sensor (3) constituting the collision avoidance device to secure the safety by detecting the blind spot vehicle, the steering wheel detector (4) of the driver Information on steering intention and steering power is provided, and a warning output signal is generated to warn the driver through the warning device 5.

The square sensor 3 is applied to an ultrasonic sensor, camera information or a laser sensor, and various sensors suitable for the purpose can be applied.

The warning device 5 applies a method of notifying the possibility of collision by voice or an effect sound using a buzzer lamp.

3 is a flowchart of a blind spot collision prevention control method according to the present embodiment.

As shown, S10 detects the blind spots formed on the left and right sides of the vehicle from the blind spot sensor 3 mounted on the driving vehicle.

In step S20, the anti-collision ECU (2) receiving the detection signal of the blind spot sensor (3) is to grasp the vehicle located in the blind spot, this is a blind spot sensor respectively installed on the left and right and front and rear of the driving vehicle as shown in FIG. The detection information for the blind spots Ka and Kb detected in (3) is input to the collision avoidance ECU 2, so that the collision avoidance ECU 2 determines whether the vehicle exists in the blind spots Ka and Kb. do.

In S30, the collision avoidance ECU 2 calculates a vehicle speed for the detected vehicle, and in S40, the collision avoidance ECU 2 grasps the driver's steering intention by using the information transmitted from the steering wheel detector 4. .

When the collision avoidance ECU 2 determines the driver's steering intention in S50, the collision avoidance ECU 2 sends an output signal to the warning device 5 as in S51 to the blind spots Ka and Kb. Warns of possible collisions with existing vehicles.

The warning device (5) informs the collision by voice or sound effect using a buzzer.

In S60, the collision avoidance ECU 2 considers the vehicle speed value of the vehicle existing in the blind spots Ka and Kb together with the detected driver's steering intention value, and cancels the driver's steering intention in consideration of these values. The steering force reduction value is calculated and transmitted to MDPS ECU 1 through CAN communication.

The MDPS ECU 1 drives the motor by using the information provided from the collision avoidance ECU 2, whereby the worm and worm wheel driven by the motor can be offset against the driver's steering intention. It transmits the driving force to the steering wheel.

S70 is a state in which the lane change is not caused by forcibly canceling the steering force by the driver in step S60, and then in S80, the collision avoidance ECU 2 determines whether the lane change of the driving vehicle is suppressed.

At this time, whether the lane of the vehicle is changed is detected through the square detection sensor (3).

Subsequently, in S90, the collision avoidance ECU 2 determines that the lane change of the driving vehicle has been successfully suppressed, and based on this, it maintains the straight driving of the driving vehicle based on this, and even in the case of the driver's steering intention as in S100, The possibility of collision with the vehicle existing at (Ka, Kb) can be eliminated.

As described above, in the present embodiment, the MDPS ECU 1 of the electric steering apparatus assisting the steering force and the collision avoidance ECU 2 of the collision avoidance device which recognizes and warns the blind spot vehicle of the traveling vehicle are mutually communicated with each other through CAN communication or hardware ( It is more active by directly operating steering wheel regardless of the driver's intention, by exchanging information of required torque and steering angle required for steering through communication using hardware, serial communication, or wireless (bluetooth, zigbee) communication. As a result, the risk of collision with a blind spot vehicle can be fundamentally eliminated, thereby greatly increasing safety.

1: MDPS ECU 2: Anti-collision ECU
3: square detection sensor 4: steering wheel detection
5: warning

Claims (5)

An MDPS ECU for controlling a motor for assisting steering power;
An anti-collision ECU communicating with the MDPS ECU so as to detect a blind spot vehicle, grasp a driver's steering intention, and generate a steering force contrary thereto;
A warning device for recognizing a blind spot vehicle detected by a driver as an output signal of the collision preventing ECU;
Blind spot collision prevention device, characterized in that configured to include.
The vehicle of claim 1, wherein the collision avoidance ECU is provided with a distance and space sensing information from a blind spot sensor detecting a blind spot vehicle, and receives information about a driver's steering intention and steering power from a steering wheel detector. A blind spot vehicle collision prevention device, characterized in that for generating an output signal.
Determining by the anti-collision ECU receiving detection information on whether the vehicle exists in left and right blind spots of a running vehicle;
Determining the driver's steering intention when the vehicle in the blind spot is detected by the collision avoidance ECU;
When the collision avoidance ECU detects the driver's steering intention, the steering force reduction value may be calculated by taking into account the vehicle speed value of the vehicle in the blind spot together with the detected driver's steering intention value. Transmitting the received information to the MDPS ECU for controlling the motor of the electric steering apparatus;
Operating the steering wheel with a steering force that can be offset against the driver's steering intention by driving the motor using information provided from the collision avoidance ECU in the MDPS ECU;
After the steering wheel is forcibly operated by the MDPS ECU, determining whether the collision prevention ECU changes lanes while the vehicle is being driven;
The collision avoidance ECU maintains the driving state of the driving vehicle when it is determined that there is no lane change of the driving vehicle;
Blind vehicle collision prevention control method, characterized in that implemented as.
The blind spot collision control method according to claim 3, further comprising: alerting the driver of a possibility of collision with a vehicle existing in the blind spot when the collision avoidance ECU detects the driver's steering intention.

The blind spot vehicle according to claim 3, wherein the MDPS ECU and the collision avoidance ECU communicate with each other by CAN communication, communication using hardware, serial communication, or wireless (bluetooth, zigbee) communication. Collision prevention control method.
KR1020100107229A 2010-10-29 2010-10-29 Dead side area vehicle collapse preventing device and safety method thereof KR20120045596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100107229A KR20120045596A (en) 2010-10-29 2010-10-29 Dead side area vehicle collapse preventing device and safety method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100107229A KR20120045596A (en) 2010-10-29 2010-10-29 Dead side area vehicle collapse preventing device and safety method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160095747A (en) * 2015-02-04 2016-08-12 주식회사 만도 Apparatuses and Methods for steering torque
CN109895725A (en) * 2019-02-27 2019-06-18 南京瑞贻电子科技有限公司 A kind of matrix form headstock positioning anti-collision device
US10916144B2 (en) 2017-09-21 2021-02-09 Mando Corporation Anti-collision control device and method therefor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160095747A (en) * 2015-02-04 2016-08-12 주식회사 만도 Apparatuses and Methods for steering torque
US10916144B2 (en) 2017-09-21 2021-02-09 Mando Corporation Anti-collision control device and method therefor
CN109895725A (en) * 2019-02-27 2019-06-18 南京瑞贻电子科技有限公司 A kind of matrix form headstock positioning anti-collision device
CN109895725B (en) * 2019-02-27 2019-10-22 南京瑞贻电子科技有限公司 A kind of matrix form headstock positioning anti-collision device

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