KR20200081526A - 자율 주행 차량 및 그를 이용한 차량의 주행 제어 방법 - Google Patents
자율 주행 차량 및 그를 이용한 차량의 주행 제어 방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 실시 예에 따른 제어부가 차로를 기준으로 타차량의 횡속도와 종속도를 산출하는 방법을 설명하기 위한 도면이다.
도 3은 본 발명의 일 실시 예에 따른 제어부가 타차량의 종속도에 근거하여 제1 경로를 산출하는 방법을 설명하기 위한 도면이다.
도 4는 본 발명의 일 실시 예에 따른 제어부가 도 3에서 추출한 제1 경로에 타차량의 횡속도를 고려하여 제2 경로를 산출하는 방법을 설명하기 위한 도면이다.
도 5는 본 발명의 일 실시 예에 따른 제어부가 도 4에서 산출한 제2 경로에 근거하여 타차량의 컷인 지점을 예측하는 방법을 설명하기 위한 도면이다.
도 6은 본 발명의 일 실시 예에 따른 자율 주행 차량의 적용 일 례를 설명하기 위한 도면이다.
도 7은 본 발명의 일 실시 예에 따른 자율 주행 차량이 교차로에 위치하는 경우의 적용 일 례를 설명하기 위한 도면이다.
도 8은 본 발명의 일 실시 예에 따른 차량의 주행 제어 방법을 설명하기 위한 흐름도이다.
Claims (9)
- 자차가 주행하는 주행 차로의 주변 차로를 주행하는 타차량의 노폭 방향에 대한 횡속도와, 상기 주변 차로가 연장되는 방향에 대한 종속도를 산출하는 단계;
상기 종속도에 근거하여 소정의 도로 구간을 특정하고, 상기 도로 구간 내에서 상기 타차량이 상기 주변 차로 상에서 상기 노폭 방향에 대한 오프셋 거리를 유지함을 가정하여 제1 경로를 산출하는 단계; 및
상기 제1 경로에 상기 횡속도를 적용하여 상기 타차량의 예측 주행 경로에 해당하는 제2 경로를 산출하는 단계;를 포함하는, 차량의 주행 제어 방법. - 제1 항에 있어서,
상기 제1 경로를 산출하는 단계는,
상기 주행 차로 및 상기 주변 차로 각각의 차선 및 차선간 중심을 나타낸 복수의 점을 포함하는 지도 정보를 참조하여 수행되는, 차량의 주행 제어 방법. - 제1 항에 있어서,
상기 제2 경로를 추적하여 상기 주행 차로와 상기 주변 차로의 경계 차선과의 교차 여부를 판단하고, 상기 제2 경로와 상기 경계 차선 간의 교차 지점을 토대로 상기 타차량의 컷인 지점을 예측하는 단계를 더 포함하는, 차량의 주행 제어 방법. - 제3 항에 있어서,
상기 자차와 상기 타차량 각각이 상기 예측된 컷인 지점까지 도달하는데 소요되는 시간을 토대로 상기 자차의 구동을 제어하는 단계를 포함하는, 차량의 주행 제어 방법. - 제4 항에 있어서,
상기 구동을 제어하는 단계는,
상기 자차의 제1 도달시간이 상기 타차량의 제2 도달시간을 초과하면, 가속을 수행하고,
상기 자차의 제1 도달시간이 상기 타차량의 제2 도달시간 이하이면, 상기 타차량을 컷인 가능 차량으로 인식하고 감속을 수행하는, 차량의 주행 제어 방법. - 자차 및 자차가 주행하는 주행 차로의 주변 차로를 주행하는 타차량에 대한 주행 상태 정보를 획득하는 센서부;
상기 주행 차로 및 상기 주변 차로 각각의 차선 및 차선간 중심을 나타낸 복수의 점을 포함하는 지도 정보를 제공하는 지도 저장부; 및
상기 주행 상태 정보 및 상기 지도 정보를 참조하여, 상기 타차량의 노폭 방향에 대한 횡속도와, 상기 주변 차로가 연장되는 방향에 대한 종속도를 산출하는 제어부를 포함하고,
상기 제어부는,
상기 종속도에 근거하여 소정의 도로 구간을 특정하고, 상기 도로 구간 내에서 상기 타차량이 상기 주변 차로 상에서 상기 노폭 방향에 대한 오프셋 거리를 유지함을 가정하여 제1 경로를 산출하며, 상기 제1 경로에 상기 횡속도를 적용하여 상기 타차량의 예측 주행 경로에 해당하는 제2 경로를 산출하는, 자율 주행 차량. - 제6 항에 있어서,
상기 제어부는,
상기 제2 경로를 추적하여 상기 주행 차로와 상기 주변 차로의 경계 차선과의 교차 여부를 판단하고, 상기 제2 경로와 상기 경계 차선 간의 교차 지점을 토대로 상기 타차량의 컷인 지점을 예측하는, 자율 주행 차량. - 제7 항에 있어서,
상기 제어부는,
상기 자차의 상기 타차량 각각이 상기 예측된 컷인 지점까지 도달하는데 소요되는 시간을 토대로 상기 자차의 구동을 제어하는, 자율 주행 차량. - 제8 항에 있어서,
상기 제어부는,
상기 자차의 제1 도달시간이 상기 타차량의 제2 도달시간을 초과하면, 가속을 수행하고,
상기 자차의 제1 도달시간이 상기 타차량의 제2 도달시간 이하이면, 상기 타차량을 컷인 가능 차량으로 인식하고 감속을 수행하는, 자율 주행 차량.
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| US16/535,654 US11597385B2 (en) | 2018-12-18 | 2019-08-08 | Autonomous vehicle and vehicle running control method using the same |
| CN201910836233.8A CN111332286B (zh) | 2018-12-18 | 2019-09-05 | 车辆行驶控制方法及利用该方法的自动驾驶车辆 |
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| US20200189592A1 (en) | 2020-06-18 |
| US11597385B2 (en) | 2023-03-07 |
| CN111332286A (zh) | 2020-06-26 |
| CN111332286B (zh) | 2025-07-01 |
| KR102668309B1 (ko) | 2024-05-29 |
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