KR102518662B1 - 주변소음을 이용한 주행안전 제어시스템 및 그의 제어방법 - Google Patents
주변소음을 이용한 주행안전 제어시스템 및 그의 제어방법 Download PDFInfo
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- KR102518662B1 KR102518662B1 KR1020180151063A KR20180151063A KR102518662B1 KR 102518662 B1 KR102518662 B1 KR 102518662B1 KR 1020180151063 A KR1020180151063 A KR 1020180151063A KR 20180151063 A KR20180151063 A KR 20180151063A KR 102518662 B1 KR102518662 B1 KR 102518662B1
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- 238000013473 artificial intelligence Methods 0.000 claims abstract description 23
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Abstract
Description
도 2는 본 발명의 바람직한 실시 예에 따른 제1시점의 주변차량(201)이 발생시킨 주변소음의 음압 변화분석 그래프(a) 및 제2시점의 주변차량(202)이 발생시킨 주변소음의 음압 변화분석 그래프(b)이다.
도 3은 본 발명의 바람직한 실시 예에 따른 6기통 엔진의 3차 엔진오더와 6차 엔진오더 주파수 분석 그래프(a), 제1시점의 주변차량(201)이 발생시킨 주변소음의 주파수 변화분석 그래프(b) 및 제2시점의 주변차량(202)이 발생시킨 주변소음의 주파수 변화분석 그래프(c)이다.
도 4는 본 발명의 바람직한 실시 예에 따른 제어 순서도이다.
도 5와 도 6은는 본 발명의 바람직한 실시 예에 따른 제어알고리즘의 흐름도이다.
도 7은 본 발명의 또 다른 바람직한 실시 예에 따른 제어알고리즘의 흐름도이다.
111 : 제1 마이크로폰
121 : 제2 마이크로폰
201 : 제1시점의 주변차량
202 : 제2시점의 주변차량
S1 : 입력단계
S2 : 판단단계
S3 : 제어단계
Claims (20)
- 운행차량에 설치되어 주변소음을 입력 받는 마이크로폰;
상기 주변소음을 인공지능 기반으로 분석하여 차량 소음 특성 데이터와 비교하고 주변차량 주행정보를 판단하는 신호처리 제어기; 를 포함하며;
상기 마이크로폰은 상기 운행차량의 우측 후방에서 T1 시점과 T2 시점의 주변소음 수집 정보가 이루어지는 제1 마이크로폰, 상기 운행차량의 우측 전방에서 T3 시점과 T4 시점의 주변소음 수집 정보가 이루어지는 제2 마이크로폰이 상기 운행차량의 일측면에서 길이방향을 따라 서로 이격된 채로 마련되고;
상기 신호처리 제어기는 상기 T1 시점에서 후방접근하는 주변차량의 가속중에 따른 엔진 회전수 증가와 상기 T2 시점에서 상기 주변차량의 추월을 위한 변속에 따른 엔진 회전수 변화로부터 상기 주변차량이 갖는 제1시점의 가속 레벨 및 변속 정보를 추출하고, 상기 T3 시점에서 상기 주변차량의 액셀레이터 조작에 따른 엔진 회전수 변화와 상기 T4 시점에서 상기 주변차량의 지속적인 액셀레이터 조작을 통한 엔진 회전수의 선형적인 증가로부터 상기 주변차량이 갖는 제2시점의 가속 레벨 및 변속 정보를 추출한 후, 상기 주변차량 주행정보에 따라서 상기 운행차량의 주행을 제어하여 안전운행을 서포트하는 제어모듈에 제공하는,
주변소음을 이용한 주행안전 제어시스템.
- 삭제
- 제1항에 있어서,
상기 신호처리 제어기는 상기 주변소음의 음압 변화분석을 통해 상기 주변차량과 상기 운행차량의 상대속도를 계산하고, 상기 주변소음의 주파수 변화분석을 통해 상기 주변차량의 종류와 엔진종류를 판별하는 것을 특징으로 하는,
주변소음을 이용한 주행안전 제어시스템.
- 삭제
- 제1항에 있어서,
상기 제어모듈은 엑셀패달 제어부, 브레이크 제동 제어부, 핸들 조향 제어부 중 적어도 어느 하나를 포함하는,
주변소음을 이용한 주행안전 제어시스템.
- 제1항에 있어서,
상기 신호처리 제어기는 LSTM 학습 알고리즘을 포함하는 것을 특징으로 하는,
주변소음을 이용한 주행안전 제어시스템.
- 제1항에 있어서,
상기 마이크로폰은 지향성인 것을 특징으로 하는,
주변소음을 이용한 주행안전 제어시스템.
- 제1항에 있어서,
상기 마이크로폰은 상기 운행차량의 전방, 후방, 우측, 좌측에 각각 설치된 것을 특징으로 하는,
주변소음을 이용한 주행안전 제어시스템.
- 제1항에 있어서,
상기 주행안전 제어시스템은 상기 운행차량의 주행조건 데이터 및 주행중인 도로 상황 데이터를 입력 받아 상기 운행차량 정보와 상기 주변차량 주행정보를 시각화하는 디스플레이부; 를 더 포함하는 것을 특징으로 하는,
주변소음을 이용한 주행안전 제어시스템.
- 제9항에 있어서,
상기 주행조건 데이터는 CAN신호, 차속 및 패달 개도량, 기어단수, 주행중인 도로의 정체정보 및 제한 속도 정보 중 적어도 어느 하나를 포함하는,
주변소음을 이용한 주행안전 제어시스템.
- 제10항에 있어서,
상기 디스플레이부는 상기 주변차량의 예측된 주행상태에 따라서 자율주행 또는 수동운전 중 어느 하나를 선택할 수 있도록 표시하는,
주변소음을 이용한 주행안전 제어시스템.
- 제1항에 있어서,
Radar, 카메라, GPS 중 적어도 어느 하나를 이용하여 상기 주변차량의 이미지 정보를 상기 신호처리 제어기에 제공하는 이미지 획득부;를 더 포함하는,
주변소음을 이용한 주행안전 제어시스템.
- 청구항 1, 3 및 청구항 5 내지 12 중 어느 한 항에 의한 주행안전 제어시스템의 주변소음을 이용한 안전주행 제어방법에 있어서,
운행차량에 설치된 마이크로폰을 통해 주변소음을 입력받는 입력단계;
인공지능을 통해 상기 입력된 주변소음을 차량 소음 특성 데이터와 비교하여 주변차량의 종류를 판단하고, 상기 주변소음의 음압 변화분석 및 주파수 변화분석을 통해 상기 주변차량의 주행정보를 판단하는 판단단계; 를 포함하는,
주변소음을 이용한 안전주행 제어방법.
- 제13항에 있어서,
상기 안전주행 제어방법은, 상기 주변차량 주행정보에 따라 상기 운행차량의 차속 및 조향 중 적어도 어느 하나를 제어하는 제어단계;를 더 포함하는,
주변소음을 이용한 안전주행 제어방법.
- 제13항에 있어서,
상기 인공지능은 LSTM 학습 알고리즘을 포함하는,
주변소음을 이용한 안전주행 제어방법.
- 제13항에 있어서,
상기 판단단계는 상기 주변소음의 음압 변화분석을 통해 상기 운행차량과 상기 주변차량의 상대속도를 계산하여 상기 주변차량이 가속상태, 감속상태, 정속상태 중 어느 하나인지를 판단하는 것을 특징으로 하는,
주변소음을 이용한 안전주행 제어방법.
- 제13항에 있어서,
상기 인공지능은 상기 주파수 변화분석을 통해 상기 주변차량의 종류 및 엔진종류를 판별하는,
주변소음을 이용한 안전주행 제어방법.
- 제13항에 있어서,
상기 안전주행 제어방법은 상기 운행차량의 주행조건 데이터 및 주행중인 도로 상황 데이터를 입력받아 상기 운행차량 정보와 상기 주변차량 주행정보를 시각화하는 디스플레이 단계; 를 더 포함하는,
주변소음을 이용한 안전주행 제어방법.
- 제18항에 있어서,
상기 주행조건 데이터는 CAN신호, 차속 및 패달 개도량, 기어단수, 주행중인 도로의 정체정보 및 제한 속도 정보 중 적어도 어느 하나를 포함하는,
주변소음을 이용한 안전주행 제어방법.
- 제13항에 있어서,
상기 안전주행 제어방법은 Radar 정보, 카메라 정보, GPS 정보 중 적어도 어느 하나를 이용한 상기 주변차량의 이미지 정보를 입력 받아 상기 입력된 이미지를 상기 판단단계에 추가하는 이미지 획득단계;를 더 포함하는,
주변소음을 이용한 안전주행 제어방법.
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US16/678,815 US10943486B2 (en) | 2018-11-29 | 2019-11-08 | Traveling safety control system using ambient noise and control method thereof |
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CN111833653A (zh) * | 2020-07-13 | 2020-10-27 | 江苏理工学院 | 利用环境噪声的行驶辅助系统、方法、设备、可存储介质 |
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