KR960033858A - Automobile Collision Avoidance Device and Method - Google Patents

Automobile Collision Avoidance Device and Method Download PDF

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Publication number
KR960033858A
KR960033858A KR1019950004575A KR19950004575A KR960033858A KR 960033858 A KR960033858 A KR 960033858A KR 1019950004575 A KR1019950004575 A KR 1019950004575A KR 19950004575 A KR19950004575 A KR 19950004575A KR 960033858 A KR960033858 A KR 960033858A
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South Korea
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unit
driving
vehicle
signal
sensor
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KR1019950004575A
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Korean (ko)
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KR970002451B1 (en
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조정식
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김주용
현대전자산업 주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/0008Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including means for detecting potential obstacles in vehicle path

Abstract

본 발명은 자동차 충돌방지장치 및 방법에 관한것으로, 차량전방의 물체를 검지하고 물체와의 거리를 측정할 수 있는 레이저 센서장치를 설치하고, 차량측방에는 초음파를 이용하여 백미러의 사각지대를 감시하여 물체를 검지하고 물체와의 거리를 측정할 수 있는 초음파 센서장치를 설치하며, 또할 차량후방에는 초음파를 이용하여 후진시 차량후방의 물체를 검지하고 물체와의 거리를 측정할 수 있는 초음파 센서장치를 설치하여, 차량 운행중 부주의로 인해 발생할 수 있는 각종 사고를 미연에 방지할 수 있도록 각 부분을 센서장치들을 통하여 감시하고, 위험 발생시 운전자에게 경보하여 운전자에게 조치를 유도하거나 장치 스스로 차량의 각종 구동장치를 고동하여 사고를 사전에 예방할 수 있도록 한 것이다.The present invention relates to a vehicle collision avoidance device and method, comprising a laser sensor device for detecting an object in front of the vehicle and measuring the distance to the object, by monitoring the blind spot of the rearview mirror using ultrasonic waves on the side of the vehicle An ultrasonic sensor device for detecting an object and measuring the distance to the object is installed.In addition, an ultrasonic sensor device for detecting an object in the rear of the vehicle when the vehicle is reversed using ultrasonic waves is used to measure the distance to the object. It is installed to monitor each part through sensor devices so as to prevent various accidents caused by carelessness while driving the vehicle, and to induce the driver by alerting the driver in case of danger or to operate the various driving devices of the vehicle by itself. It was designed to prevent accidents by pulsating.

Description

자동차 충돌방지장치 및 방법Automobile Collision Avoidance Device and Method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 전체 구성도, 제2도는 본 발명의 동작영역도, 제3도는 본 발며의 전방센서장치 상세구성도.1 is an overall configuration diagram of the present invention, FIG. 2 is an operation region diagram of the present invention, and FIG. 3 is a detailed configuration diagram of the front sensor device of the present invention.

Claims (5)

전방차량의 물체를 검지하고 물체와의 거리를 측정하는 전방센서부(10)와; 측면 및 후방차량의 물체를 검지하고 물체와의 거리를 측정하는 측후방 센서부(20)와; 상기 전방센서부(10) 및 측후방센서부(20)로부터 각종 정보를 입력받아 자차의 전방 또는 측후방의 장애물 유무를 판단하고 장애물이 있을경우 장애물과의 거리, 상대속도를 계산하며, 기후상태 및 자차속도, 공주거리, 제동거리등의 정보를 종합하여 각 상태별 최적 안전거리를 계산하고, 계산된 최적안전거리를 기준으로하여 각 주행상태별 위험여부를 판단하여 경보음을 발생시키거나 가감속장치 구동명령을 내려 적절한 조치를 행하도록하는 정보 처리부(30)와; 측정된 거리데이타에 따른 각종 관련정보를 운전자에게 표시해주는 표시부(40)와; 측정된 데이타에 따라 장치 스스로 위험요소를 해결토록 가감속 장치 및 제동장치를 구동하는 차량구동장치(50)로 구성함을 특징으로 하는 차량충돌 방지장치.A front sensor unit 10 for detecting an object of the front vehicle and measuring a distance to the object; A side rear sensor unit 20 for detecting an object of the side and rear vehicles and measuring a distance to the object; It receives the various information from the front sensor unit 10 and the side rear sensor unit 20 to determine the presence or absence of obstacles in the front or rear of the vehicle, calculates the distance and relative speed with the obstacles, if there is an obstacle, the weather condition Calculate the optimal safety distance for each state by combining information such as vehicle speed, gongju distance, and braking distance, and judge the presence or absence of danger for each driving state based on the calculated optimal safety distance to generate or add alarm sound An information processor (30) for issuing a device drive command to perform an appropriate action; A display unit 40 which displays various related information according to the measured distance data to the driver; Vehicle collision prevention device, characterized in that consisting of a vehicle drive device (50) for driving the acceleration and deceleration device and the braking device to solve the hazards themselves according to the measured data. 제1항에 있어서, 상기 전방센서부(10)는 일정주기를 가지는 삼각파를 발생시키는 삼각파 발생기(11)와; 상기 삼각파 발생기(11)의 주기에 맞추어 변조된 주파수 신호를 발생시키는 고주파 신호발생기(12)와; 상기 고주파 신호발생기(12)에서 출력된 신호를 삼각파 보정기(13)로 파형보정을 한 다음 일부를 믹서부로 보내고, 나머지는 스캐닝부로 보내는 방향성 결합기(14-1,14-2)와; 상기 방향성 결합기(14-2)를 통한 신호를 입력하여 정보처리부(30)에서 출력된 스캐닝 제어신호에 따라 변조된 주파수신호를 송신안테나(16)에서 일정각도로 스캐닝하면서 출력토록하는 스캐닝부(15)와; 상기 송신안테나(16)에서 출력되어 물체에 맞고 반사된 신호의 일부를 입력하는 수신안테나부(17)와; 반사된 신호를 증폭하는 증푹부(18)와; 신호발생기의 일부신호와 수신된 반사신호를 믹싱하여 중간주파신호를 만드는 믹서부(19)로 구성함을 특징으로 하는 차량충돌 방지장치.The method of claim 1, wherein the front sensor unit 10 and the triangular wave generator 11 for generating a triangular wave having a predetermined period; A high frequency signal generator (12) for generating a frequency signal modulated according to the period of the triangle wave generator (11); A directional coupler (14-1, 14-2) for correcting the waveform of the signal output from the high frequency signal generator (12) with a triangular wave corrector (13), and then sending a part of the signal to a mixer, and sending the rest to a scanning unit; A scanning unit 15 inputting a signal through the directional coupler 14-2 to output a frequency signal modulated according to a scanning control signal output from the information processing unit 30 at a predetermined angle from the transmission antenna 16 and outputting the predetermined frequency signal; )Wow; A reception antenna unit 17 for inputting a part of the signal output from the transmission antenna 16 to the object and reflected; A recess 18 for amplifying the reflected signal; And a mixer unit (19) configured to mix the partial signal of the signal generator and the received reflected signal to produce an intermediate frequency signal. 제1항에 있어서, 상기 측후방 센서부(20)는 정보처리부(30)로부터 제어신호를 입력받아 좌우측방 센서(22-1,22-3) 및 후방센서(23-1,23-2)를 선택하는 신호를 센서선택 스위치(29)에 출력하는 측후방 센서 제어부(21)와; 상기 측후방센서 제어부(21)에서 출력되는 컨트롤 신호에 의한 이득 제어부(24)의 작동으로 증폭된 데이타값을 일정대역만 통과시키는 밴드패스 필터부(25)와; 이를 다시 증폭하는 증폭부(26)와; 증폭된 신호를 디지탈로 변환하여 측후방 센서 제어부(21)로 입력하는 아날로그 디지탈 변환부(27) 및 정보처리부(30)로 거리데이타를 전달하는 정보처리부 인터페이스(28)로 구성함을 특징으로 하는 차량충돌 방지장치.According to claim 1, wherein the side rear sensor unit 20 receives a control signal from the information processing unit 30, the left and right side sensors 22-1, 22-3 and rear sensors 23-1, 23-2. A side rear sensor control unit 21 for outputting a signal to select the sensor selection switch 29; A band pass filter unit 25 for passing only a predetermined band of data values amplified by the operation of the gain control unit 24 by the control signal output from the side rear sensor control unit 21; An amplifier 26 for amplifying it again; And an analog digital conversion unit 27 for converting the amplified signal into a digital signal and inputting it to the lateral rear sensor control unit 21 and an information processing unit interface 28 for transmitting distance data to the information processing unit 30. Vehicle collision prevention device. 제1항에 있어서, 상기 정보처리부(30) 및 차량구동부(50)는 전방센서부(10)에 각종제어신호를 인가하여 전방차량과의 거리데이타를 구하는 신호처리부(31)와; 초음파 센서를 이용하여 측후방의 거리데이타를 구하는 측후방센서 제어부(21)를 연결하는 측후방 인터페이스(32)와; 상기 신호처리부(31)에 의한 전방 거리데이타와, 측후방 인터페이스를 통한 측후방 거리데이타를 조합하여 차량안전운행에 필요한 적절한 명령을 내리는 중앙처리부(33)와; 거리데이타 및 경보등의 상황을 통보함으로써 사용자가 위험여부 알 수 있도록 상기 중앙처리부(33)의 제어신호를 받아 표시부(40)에 전달하는 유저 인터페이스(34)와; 가감속장치의 구동이 필요한 상황과 조향장치의 구동이 필요한 상황이 발생하였을시에 상기 중앙처리부(33)로 부터 가감속 제어장치(51,52) 및 조향제어장치(53)를 구동토록하는 제어신호를 차량구동부(50)에 전달하는 카 인터페이스(35)로 구성함을 특징으로 하는 차량충돌 방지장치.2. The apparatus of claim 1, wherein the information processing unit (30) and the vehicle driving unit (50) comprise: a signal processing unit (31) for applying various control signals to the front sensor unit (10) to obtain distance data from the front vehicle; A side rear interface 32 which connects the side rear sensor control unit 21 to obtain distance data of the side rear using an ultrasonic sensor; A central processing unit (33) for combining the front distance data by the signal processing unit (31) with the side rear distance data through the side rear interface to give an appropriate command for vehicle safety driving; A user interface 34 which receives a control signal of the central processing unit 33 and transmits it to the display unit 40 so that a user can know whether a danger exists by notifying a situation such as distance data and an alarm; Control to drive the acceleration / deceleration control devices 51 and 52 and the steering control device 53 from the central processing unit 33 when a situation requiring driving of the acceleration / deceleration device and a situation requiring driving of the steering device occurs. Vehicle collision prevention device, characterized in that consisting of a car interface 35 for transmitting a signal to the vehicle driving unit (50). 전원을 온시키고 시스템을 초기화 시킨후 자차속도를 측정하여 설정치 이상인가를 판단하여 설정치 이하이면 처음상태를 반복하고, 설정치 이상이면 외부기후상태를 측정하여 광투과율을 조정하는 제1단계(S1)와; 후진모드인가를 판단하여 후진모드인 경우 측후방센서를 구동하여 센서에 이상이 있으면 작동을 중지하고, 이상이 없을시에는 후방영역을 감시하여 위험상황이면 경보 및 제동을 하는 제2단계(S2)와; 상기 제2단계(S2)에서 후진모드가 아닐경우 다시 측방모드인가를 판단하여 측방모드일 경우 측방센서를 구동하여 센서에 이상이있으면 작동을 중지시키고, 이상이 없을시에는 측방영역을 감시하여 위험상황시 좌우화전을 금지시키는 제3단계(S3)와; 상기 제3단계(S3)에서 측방모드가 아닌경우 주행모드인가를 판단하여 주행모드일 경우 전방센서를 구동하여 센서에 이상이 있을경우에는 센서작동을 중단하고, 센서에 이상이 없을경우 레이저빔을 스캐닝하여 전방차의 위치를 판독하여 차간거리를 계산하는 제4단계(S4)와; 상대속도 및 최적안전거리를 계산하고 위험상황이면 측방모드를 확인하여 위험회피방법을 결정하는 제5단계(S5)와; 제동장치를 구동할 상황이면 제동장치를 구동하고, 가속장치를 구동할 상황이면 가속장치를 구동하며, 조향장치를 구동할 상황이면 조향장치를 구동하고, 제동 및 조향장치를 동시에 구동할 상황이면 제동 및 조향장치를 구동하며, 가속 및 조향장치를 동시에 구동할 상황이면 가속 및 조향장치를 구동하는 제6단계(S6)로 이루어져 순차동작함을 특징으로 하는 차량충돌방지방법.After the power is turned on and the system is initialized, the first step (S1) of measuring the host vehicle speed and determining whether it is above the set value and repeating the initial state if it is below the set value, and measuring the external climate state if it is above the set value (S1) and ; The second step (S2) of driving the rear and rear sensor in the reverse mode to stop the operation if there is a problem in the reverse mode, and monitors the rear area if there is no error. Wow; In the second step (S2), if it is not the reverse mode, it is determined whether it is the lateral mode again.In the lateral mode, the lateral sensor is driven to stop the operation if there is an abnormality of the sensor. A third step (S3) of prohibiting right and left talk; In the third step (S3), if it is not the side mode, it is determined whether it is a driving mode. In the driving mode, the front sensor is driven. If the sensor is abnormal, the sensor operation is stopped. A fourth step (S4) of calculating the inter-vehicle distance by reading the position of the front vehicle by scanning; A fifth step (S5) of calculating a relative speed and an optimal safety distance and determining a risk avoiding method by checking a lateral mode in a dangerous situation; If you are driving a brake, drive the brake, if you are driving an accelerator, drive the accelerator; if you are driving a steering, drive the steering; if you are driving a brake and steering at the same time, brake And a sixth step (S6) of driving the acceleration and steering device when driving the steering device and driving the acceleration and steering device simultaneously. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950004575A 1995-03-07 1995-03-07 A collision preventing device & method KR970002451B1 (en)

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KR101361360B1 (en) * 2011-12-26 2014-02-11 현대자동차주식회사 Smart cruise control system of vehicle and method thereof
WO2017074092A1 (en) * 2015-10-28 2017-05-04 엘지이노텍(주) Optical output module, vehicle including same, and control method therefor
US10676057B2 (en) 2015-10-28 2020-06-09 Lg Innotek Co., Ltd. Optical output module, vehicle including same, and control method therefor
US11390229B2 (en) 2015-10-28 2022-07-19 Lg Innotek Co., Ltd. Optical output module, vehicle including same, and control method therefor
KR102027456B1 (en) * 2018-03-28 2019-10-01 한국해양대학교 산학협력단 smart moving rack having prevention device to avoid fallen object or collision and its using method

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