KR20170119059A - Aeb 센서융합 시스템 - Google Patents
Aeb 센서융합 시스템 Download PDFInfo
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- KR20170119059A KR20170119059A KR1020160046712A KR20160046712A KR20170119059A KR 20170119059 A KR20170119059 A KR 20170119059A KR 1020160046712 A KR1020160046712 A KR 1020160046712A KR 20160046712 A KR20160046712 A KR 20160046712A KR 20170119059 A KR20170119059 A KR 20170119059A
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- 238000004364 calculation method Methods 0.000 claims description 13
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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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
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo, light or radio wave sensitive means, e.g. infrared sensors
- B60W2420/408—Radar; Laser, e.g. lidar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/93185—Controlling the brakes
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- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Traffic Control Systems (AREA)
Abstract
보다 구체적으로 본 발명에 대하여 설명하면, 본 발명은 AEB(Autonomous Emergency Braking)의 보행자 인식 시스템에 있어서, 반사되는 전파를 이용해 물체를 탐지하여 레이더 탐지정보를 생성하는 레이더 센서, 물체가 방사하는 열을 영상화하여 원적외선 인식정보를 생성하는 원적외선 카메라 센서 및 상기 레이더 탐지정보 및 원적외선 인식정보를 융합하는 정보융합부를 포함하는 AEB 센서융합 시스템을 제공한다.
Description
도 2는 CVFA 시나리오에서의 초기 위치 설정을 나타낸 예시도.
도 3은 시뮬레이션에 사용된 보행자 속도 프로파일을 나타낸 예시도.
도 4는 보행자 상대거리와 상대각도의 시뮬레이션 결과를 나타낸 예시도.
도 5는 레이더의 거리 및 속도 측정 원리를 나타낸 예시도.
도 6은 소실점을 이용한 영상에서의 거리 계산 원리를 나타낸 예시도.
도 7은 원적외선 영상의 보행자 인식을 나타낸 예시도.
도 8은 LEDDAR을 이용한 보행자 탐지를 나타낸 예시도.
도 9는 3D Lidar를 이용한 보행자 신호를 나타낸 예시도.
도 10은 레이더를 이용한 보행자 탐지를 나타낸 예시도.
도 11은 본 발명의 일실시예에 따른 AEB 센서융합 시스템의 구성도.
도 12는 본 발명의 일실시예에 따른 레이더 탐지정보 후처리부의 레이더 탐지정보 후처리 과정을 나타낸 예시도.
도 13은 본 발명의 일실시예에 따른 유사도 계산부의 측정치 생성을 나타낸 예시도.
도 14는 본 발명의 일실시예에 따른 레이더 탐지정보와 원적외선 인식정보의 종/횡방향 상대위치 융합을 직교좌표계 사용과 극좌표계 사용으로 비교하여 나타낸 예시도.
도 15는 본 발명의 일실시예에 따른 AEB 센서융합 시스템의 출력 결과를 나타낸 예시도.
110: 레이더 탐지정보 후처리부
200: 원적외선 카메라 센서
300: 정보융합부
310: 정합성 판단부
320: 유사도 계산부
330: 상태변수 갱신부
340: 추적정보 관리부
Claims (7)
- AEB(Autonomous Emergency Braking)의 보행자 인식 시스템에 있어서,
반사되는 전파를 이용해 물체를 탐지하여 레이더 탐지정보를 생성하는 레이더 센서;
물체가 방사하는 열을 영상화하여 원적외선 인식정보를 생성하는 원적외선 카메라 센서; 및
상기 레이더 탐지정보 및 원적외선 인식정보를 융합하는 정보융합부; 를 포함하는 AEB 센서융합 시스템.
- 제 1항에 있어서 상기 정보융합부는,
상기 레이더 탐지정보와 원적외선 인식정보 간의 상관관계를 계산하여 행렬을 구성하는 정합성 판단부;
상기 정합성 판단부에서 구성한 행렬을 이용해 측정치를 생성하고, 상기 측정치와 이전 시점의 트랙 추적정보 간의 상태변수 영역에서의 유사도를 계산하는 유사도 계산부;
상기 측정치와 상태변수를 이용해 필터링(Filtering)을 수행하여 각 추적정보를 갱신하는 상태변수 갱신부; 및
상기 트랙의 병합, 생성 및 삭제를 수행하는 추적정보 관리부; 를 포함하는 것을 특징으로 하는 AEB 센서융합 시스템.
- 제 2항에 있어서,
상기 유사도 계산부는 상기 레이더 탐지정보와 원적외선 인식정보의 종/횡방향 상대위치를 극좌표계를 이용해 표현함으로써 상기 측정치를 생성하는 것을 특징으로 하는 AEB 센서융합 시스템.
- 제 2항에 있어서,
상기 상태변수 갱신부는 베이시안 필터를 적용하여 필터링을 수행하는 것을 특징으로 하는 AEB 센서융합 시스템.
- 제 1항에 있어서,
상기 레이더 탐지정보 중 보행자가 아닌 결과를 원적외선 인식정보와 융합 전 제거하는 레이더 탐지정보 후처리부를 더 포함하는 것을 특징으로 하는 AEB 센서융합 시스템.
- 제 1항에 있어서,
상기 레이더 탐지정보는 64개 이하의 수로 생성되는 것을 특징으로 하는 AEB 센서융합 시스템.
- 제 1항에 있어서,
상기 원적외선 인식정보는 8개 이하의 수로 생성되는 것을 특징으로 하는 AEB 센서융합 시스템.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019150012A1 (fr) * | 2018-02-05 | 2019-08-08 | Psa Automobiles Sa | Procédé et dispositif d'analyse de l'environnement d'un véhicule par discrimination d'objets différents détectés par plusieurs moyens d'acquisition |
KR20200034118A (ko) * | 2018-09-21 | 2020-03-31 | 한국전자통신연구원 | 센서 융합 기반 물체 검출장치 및 검출방법 |
US11320830B2 (en) | 2019-10-28 | 2022-05-03 | Deere & Company | Probabilistic decision support for obstacle detection and classification in a working area |
CN114619986A (zh) * | 2022-03-07 | 2022-06-14 | 金龙联合汽车工业(苏州)有限公司 | 一种用于客车的aeb与lka融合控制系统 |
-
2016
- 2016-04-18 KR KR1020160046712A patent/KR20170119059A/ko not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019150012A1 (fr) * | 2018-02-05 | 2019-08-08 | Psa Automobiles Sa | Procédé et dispositif d'analyse de l'environnement d'un véhicule par discrimination d'objets différents détectés par plusieurs moyens d'acquisition |
FR3077550A1 (fr) * | 2018-02-05 | 2019-08-09 | Psa Automobiles Sa | Procede et dispositif d’analyse de l’environnement d’un vehicule par discrimination d’objets differents detectes par plusieurs moyens d’acquisition. |
KR20200034118A (ko) * | 2018-09-21 | 2020-03-31 | 한국전자통신연구원 | 센서 융합 기반 물체 검출장치 및 검출방법 |
US11320830B2 (en) | 2019-10-28 | 2022-05-03 | Deere & Company | Probabilistic decision support for obstacle detection and classification in a working area |
CN114619986A (zh) * | 2022-03-07 | 2022-06-14 | 金龙联合汽车工业(苏州)有限公司 | 一种用于客车的aeb与lka融合控制系统 |
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