KR102374919B1 - 자율주행 지원 장치 및 방법 - Google Patents
자율주행 지원 장치 및 방법 Download PDFInfo
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- KR102374919B1 KR102374919B1 KR1020170133860A KR20170133860A KR102374919B1 KR 102374919 B1 KR102374919 B1 KR 102374919B1 KR 1020170133860 A KR1020170133860 A KR 1020170133860A KR 20170133860 A KR20170133860 A KR 20170133860A KR 102374919 B1 KR102374919 B1 KR 102374919B1
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Abstract
본 발명의 실시 예에 따른 자율주행 지원 장치는, 자율주행 차량에 배치된 센서부 및 서버를 포함한다. 센서부는 주행 도로를 센싱하여 도로 정보, 표지판 정보, 신호등 정보, 공사구간 정보, 미래 경로 정보를 포함하는 카메라 인식 정보를 생성한다. 서버는 적어도 하나의 자율주행 차량의 센서부에서 수신된 적어도 하나의 카메라 인식 정보를 분석하여 기 설정된 도로맵 정보를 업데이트하고, 업데이트된 도로맵 정보를 상기 적어도 하나의 자율주행 차량으로 전송한다.
Description
도 2는 도 1에 도시된 센서부를 나타내는 도면이다.
도 3은 복수의 자율주행 차량과 서버가 통신하여 도로정보의 오차 보정 및 업데이트하는 것을 나타내는 도면이다.
도 4는 본 발명의 실시 예에 따른 자율주행 지원 방법을 나타내는 도면이다.
도 5는 카메라와 도로 맵의 차선 인식 또는 미인식에 따른 차선 확인 방법을 나타내는 도면이다.
120: GPS 130: 제어부
140: 메모리 200; 수신부
300: 송신부 400: 서버
500: 네비게이션
Claims (10)
- 주행 도로를 센싱하여 도로 정보, 표지판 정보, 신호등 정보, 공사구간 정보 및 미래 경로 정보를 포함하는 카메라 인식 정보를 생성하는 센서부; 및
적어도 하나의 자율주행 차량의 센서부에서 수신된 적어도 하나의 카메라 인식 정보를 분석하여 기 설정된 도로맵 정보를 업데이트하고, 업데이트된 도로맵 정보를 상기 적어도 하나의 자율주행 차량으로 전송하는 서버;를 포함하되,
상기 센서부는,
상기 도로맵 정보와 상기 카메라 인식 정보를 비교하고, 상기 도로맵 정보와 상기 카메라 인식 정보에 포함된 도로 정보 및 표지판 정보에 차이가 있는 경우, 상기 도로 정보 및 상기 표지판 정보를 업데이트하여 상기 서버로 전송하며,
상기 서버는,
상기 기 설정된 도로맵 정보와 상기 카메라 인식 정보를 비교하여 차이가 있는 경우, 상기 기 설정된 도로맵 정보를 업데이트하는 것을 특징으로 하는 자율주행 지원 장치. - 제1 항에 있어서, 상기 센서부는,
상기 카메라 인식 정보 및 상기 도로맵 정보에 기초하여 자율주행을 위한 차량 제어신호를 생성하고,
상기 차량 제어신호를 차량의 운전자 경고 컨트롤러, 헤드 램프 컨트롤러, 차량 자세 제어 컨트롤러, 조향 컨트롤러, 엔진 제어 컨트롤러, 서스펜션 컨트롤러, 브레이크 컨트롤러에 공급하는 자율주행 지원 장치. - 제1 항에 있어서,
상기 도로맵 정보는 주행 중인 도로 및 인접 도로의 속성을 포함하며,
상기 주행 중인 도로 및 상기 인접 도로의 속성은 고속도로, 국도, 분기지점, 합류지점, 일방통행, 제한속도, 도로 폭, 공사 구간인지의 정보, 차로 수, 각 차로 별 제한 속도 정보, 차선들의 곡률을 포함하는 자율주행 지원 장치. - 제1 항에 있어서,
상기 카메라 인식 정보는 차선 정보, 표지판 정보, 프리 스페이스 정보, 도로 경계 정보, 도로 분리대 정보, 도로 표시 정보, 신호등 정보, 미래 경로 정보 및 랜드마크 정보를 포함하는 자율주행 지원 장치. - 제1 항에 있어서, 상기 센서부는,
상기 도로맵 정보와 상기 카메라 인식 정보를 비교하고, 상기 도로맵 정보와 상기 카메라 인식 정보에 포함된 동일 랜드마크를 기준으로 GPS(Global Positioning System) 오차를 보정하는 자율주행 지원 장치. - 삭제
- 자율주행 지원 장치가 차량을 제어하는 방법에 있어서,
상기 자율주행 지원 장치의 센서부가 자율주행 차량에 배치된 센서부를 이용하여 주행 중인 도로의 카메라 인식 정보를 생성하는 단계;
상기 자율주행 지원 장치의 센서부가 서버에서 수신된 도로맵 정보와 상기 카메라 인식 정보를 비교하여 차선 및 표지판을 확인하는 단계;
상기 자율주행 지원 장치의 센서부가 상기 카메라 인식 정보를 상기 서버로 전송하는 단계;
상기 자율주행 지원 장치의 서버가 적어도 하나의 자율주행 차량에서 수신된 적어도 하나의 카메라 인식 정보에 기초하여 상기 서버에 저장된 도로맵 정보를 업데이트 하는 단계;
상기 자율주행 지원 장치의 서버가 업데이트된 도로맵 정보를 상기 적어도 하나의 자율주행 차량으로 전송하는 단계; 및
상기 적어도 하나의 자율주행 차량 각각이 수신된 도로맵 정보에 기초하여 차량을 제어하는 단계;를 포함하되,
상기 차선 및 표지판을 확인하는 단계는,
상기 도로맵 정보와 상기 카메라 인식 정보를 비교하고, 상기 도로맵 정보와 상기 카메라 인식 정보에 포함된 도로 정보 및 표지판 정보에 차이가 있는 경우, 상기 도로 정보 및 상기 표지판 정보를 업데이트하며,
상기 서버에 저장된 도로맵 정보를 업데이트하는 단계는,
상기 서버에 저장된 도로맵 정보와 상기 카메라 인식 정보를 비교하여 차이가 있는 경우, 상기 서버에 저장된 도로맵 정보를 업데이트하는 것을 특징으로 하는 자율주행 지원 방법. - 제7 항에 있어서,
상기 자율주행 지원 장치의 센서부 및 서버가 상기 도로맵 정보와 상기 카메라 인식 정보에 포함된 동일 랜드마크를 기준으로 GPS (Global Positioning System) 오차를 보정하는 단계를 더 포함하는 자율주행 지원 방법. - 제7 항에 있어서,
상기 자율주행 지원 장치의 서버가 상기 적어도 하나의 자율주행 차량에서 수신된 상기 적어도 하나의 카메라 인식 정보의 신뢰도를 분석하고, 신뢰도가 가장 높은 카메라 인식 정보를 상기 도로맵 정보에 업데이트하는 자율주행 지원 방법. - 제7 항에 있어서,
상기 적어도 하나의 자율주행 차량이 상기 도로맵 정보에 기초하여 상기 적어도 하나의 자율주행 차량의 횡방향 및 종방향 제어를 수행하고,
상기 자율주행 지원 장치의 센서부가 상기 적어도 하나의 카메라 인식 정보에 기초하여 도로의 주행이 불가능한 것으로 판단되면 새로운 주행 경로를 생성하여 자율주행을 수행하고,
상기 주행이 불가능한 도로의 정보를 상기 서버로 전송하는 자율주행 지원 방법.
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