KR102491563B1 - 자율 주행 차량에 사용되는 센서의 타이밍의 검증 - Google Patents
자율 주행 차량에 사용되는 센서의 타이밍의 검증 Download PDFInfo
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- KR102491563B1 KR102491563B1 KR1020217020177A KR20217020177A KR102491563B1 KR 102491563 B1 KR102491563 B1 KR 102491563B1 KR 1020217020177 A KR1020217020177 A KR 1020217020177A KR 20217020177 A KR20217020177 A KR 20217020177A KR 102491563 B1 KR102491563 B1 KR 102491563B1
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Abstract
Description
도 1은 일 실시형태에 따른 네트워크 시스템의 블록도이다.
도 2는 일 실시형태에 따른 자율 주행 차량의 예시적 블록도이다.
도 3a 내지 도 3b는 일 실시형태에 따른 자율 주행 차량에 사용되는 감지 및 계획 시스템의 예시적 블록도이다.
도 4a는 일 실시형태에 따른 결정 및 계획 프로세스의 예시적 블록도이다.
도 4b는 일 실시형태에 따른 자율 주행에 사용되는 시스템 아키텍처의 블록도이다.
도 5는 일 실시형태에 따른 센서 유닛의 예시적 블록도이다.
도 6a는 일 실시형태에 따른 고정밀도 시간 생성 유닛의 예시적 블록도이다.
도 6b는 일 실시형태에 따른 3개의 카운터 생성기를 구비한 고정밀도 시간 생성 유닛의 예시적 블록도이다.
도 7은 일 실시형태에 따른 예시적 동기화 모듈의 블록도이다.
도 8a는 일 실시형태에 따른 2개의 센서가 작동하는 시계열적 그래프이다.
도 8b는 일 실시형태에 따른 2개의 센서가 작동하는 시계열적 그래프이다.
도 9는 일 실시형태에 따른 자율 주행 차량의 센서의 동기화를 위한 예시적 프로세스의 흐름도이다.
도 10a는 일 실시형태에 따른 예시적 센서 검증 시스템의 블록도이다.
도 10b는 일 실시형태에 따른 예시적 센서 검증 시스템의 블록도이다.
도 11은 일 실시형태에 따른 예시적 검증 시스템의 블록도이다.
도 12는 일 실시형태에 따른 자율 주행 차량에서 사용되는 센서를 검증하기 위한 예시적 프로세스의 흐름도이다.
도 13은 일 실시형태에 따른 예시적 검증 시스템의 블록도이다.
도 14는 일 실시형태에 따른 자율 주행 차량에서 사용되는 센서를 검증하기 위한 예시적 프로세스의 흐름도이다.
Claims (20)
- 자율 주행 차량에서 사용되는 센서의 작동을 검증하기 위한 방법으로서,
제1 시간에 상기 센서가 센서 데이터를 획득하도록 하는 단계 - 상기 센서는 검출기에 파를 송출하여 상기 센서 데이터를 획득함 - ;
상기 검출기가 제2 시간에 상기 파를 이미 검출하였다고 확정하는 단계;
제3 시간에 상기 센서로부터 상기 센서 데이터를 수신받는 단계; 및
상기 제1 시간, 상기 제2 시간 및 상기 제3 시간 중 적어도 하나를 기반으로 상기 센서의 동작을 검증하는 단계 - 상기 센서는 상기 자율 주행 차량의 자율 주행 기간에 주행 환경을 센싱함 - 를 포함하는 방법. - 제1항에 있어서,
상기 제1 시간에 상기 센서가 상기 센서 데이터를 획득하는 단계는,
상기 센서에 신호를 송신하는 단계; 및
상기 센서에 정보를 송신하는 단계 중 적어도 하나를 포함하고, 상기 정보는 상기 센서가 상기 센서 데이터를 획득하고자 함을 지시하는 방법. - 제1항에 있어서,
상기 검출기가 상기 제2 시간에 이미 상기 파를 검출하였다고 확정하는 단계는,
상기 검출기로부터 신호를 수신하는 단계; 및
상기 검출기로부터 정보를 수신하는 단계 중 적어도 하나를 포함하는 방법. - 제1항에 있어서,
상기 센서의 동작을 검증하는 단계는,
상기 제2 시간 및 상기 제3 시간을 기반으로, 상기 센서의 데이터 획득 지연이 임계값 획득 지연보다 작거나 같은지 여부를 결정하는 단계를 포함하는 방법. - 제1항에 있어서,
상기 센서의 동작을 검증하는 단계는,
상기 제1 시간 및 상기 제2 시간을 기반으로 상기 센서의 작동 지연이 임계값 작동 지연보다 작거나 같은지 여부를 결정하는 단계를 포함하는 방법. - 제1항에 있어서,
상기 센서의 동작을 검증하는 단계는,
상기 제1 시간과 상기 제3 시간 사이의 차이가 임계값 시간보다 작은지 여부를 결정하는 단계를 포함하는 방법. - 제1항에 있어서,
타이밍 신호를 생성하는 단계; 및
상기 센서 및 상기 검출기 중 적어도 하나에 상기 타이밍 신호를 제공하는 단계를 더 포함하는 방법. - 제7항에 있어서,
상기 센서 데이터는 상기 센서가 상기 타이밍 신호를 기반으로 결정한 타임 스탬프를 포함하는 방법. - 제1항에 있어서,
상기 센서 데이터가 상기 센서에 의해 검출된 물체를 지시하는지 여부를 결정하는 단계를 더 포함하는 방법. - 제1항에 있어서,
상기 센서는 능동형 센서를 포함하는 방법. - 제10항에 있어서,
상기 능동형 센서는
광 검출 및 거리 측정(LIDAR) 센서, 레이더 센서 및 초음파 센서 중 적어도 하나를 포함하는 방법. - 자율 주행 차량에서 사용되는 센서의 작동을 검증하기 위한 방법으로서,
제1 시간에 상기 센서가 센서 데이터를 획득하도록 하는 단계 - 상기 센서는 파를 검출하여 상기 센서 데이터를 획득하고, 상기 센서는 상기 센서에 의해 검출된 파를 생성할 수 없음 - ;
제2 시간에 상기 센서가 검출을 수행하도록 하는 자극을 생성하는 단계;
제3 시간에 상기 센서로부터 센서 데이터를 수신받는 단계; 및
상기 제1 시간, 상기 제2 시간 및 상기 제3 시간 중 적어도 하나를 기반으로 상기 센서의 동작을 검증하는 단계 - 상기 센서는 상기 자율 주행 차량의 자율 주행 기간에 주행 환경을 센싱함 - 를 포함하는 방법. - 제12항에 있어서,
상기 제1 시간에 상기 센서가 상기 센서 데이터를 획득하는 단계는,
상기 센서에 신호를 송신하는 단계; 및
상기 센서에 정보를 송신하는 단계 중 적어도 하나를 포함하고, 상기 정보는 상기 센서가 상기 센서 데이터를 획득하고자 함을 지시하는 방법. - 제12항에 있어서,
상기 센서가 검출을 수행하도록 하는 자극을 생성하는 단계는,
상기 제2 시간부터 시작하는 시간대에 대해 자극을 생성하는 단계를 포함하고, 상기 시간대는 상기 센서의 데이터 수집 특성을 기반으로 결정되는 방법. - 제12항에 있어서,
상기 센서의 동작을 검증하는 단계는,
상기 제2 시간 및 상기 제3 시간을 기반으로, 상기 센서의 데이터 획득 지연이 임계값 획득 지연보다 작거나 같은지 여부를 결정하는 단계를 포함하는 방법. - 제12항에 있어서,
상기 센서의 동작을 검증하는 단계는,
상기 제1 시간 및 상기 제2 시간을 기반으로 상기 센서의 작동 지연이 임계값 작동 지연보다 작거나 같은지 여부를 결정하는 단계를 포함하는 방법. - 제12항에 있어서,
상기 센서의 동작을 검증하는 단계는,
상기 제1 시간과 상기 제3 시간 사이의 차이가 임계값 시간보다 작은지 여부를 결정하는 단계를 포함하는 방법. - 제12항에 있어서,
타이밍 신호를 생성하는 단계; 및
상기 센서 및 검출기 중 적어도 하나에 상기 타이밍 신호를 제공하는 단계를 더 포함하는 방법. - 제18항에 있어서,
상기 센서 데이터는 상기 센서가 상기 타이밍 신호를 기반으로 결정한 타임 스탬프를 포함하는 방법. - 명령이 저장된 비일시적 기계 판독 가능 매체로서,
상기 명령이 프로세서에 의해 실행될 경우, 상기 프로세서가 동작을 수행하도록 하고, 상기 동작은,
제1 시간에 센서가 센서 데이터를 획득하도록 하는 동작 - 상기 센서는 검출기에 파를 송출하여 상기 센서 데이터를 획득함 - ;
상기 검출기가 제2 시간에 상기 파를 검출하였다고 확정하는 동작;
제3 시간에 센서로부터 센서 데이터를 수신받는 동작; 및
상기 제1 시간, 상기 제2 시간 및 상기 제3 시간 중 적어도 하나를 기반으로 상기 센서의 동작을 검증하는 동작을 포함하는 비일시적 기계 판독 가능 매체.
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EP3888276A1 (en) | 2021-10-06 |
KR20210106460A (ko) | 2021-08-30 |
JP7309886B2 (ja) | 2023-07-18 |
JP2022534339A (ja) | 2022-07-29 |
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