KR101875303B1 - 내연 기관의 밸브 제어 시간을 식별하기 위한 방법 - Google Patents
내연 기관의 밸브 제어 시간을 식별하기 위한 방법 Download PDFInfo
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- KR101875303B1 KR101875303B1 KR1020167036239A KR20167036239A KR101875303B1 KR 101875303 B1 KR101875303 B1 KR 101875303B1 KR 1020167036239 A KR1020167036239 A KR 1020167036239A KR 20167036239 A KR20167036239 A KR 20167036239A KR 101875303 B1 KR101875303 B1 KR 101875303B1
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Abstract
Description
Claims (9)
- 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법으로서,
- 각각의 상기 계열-생산 내연 기관의 유입 섹션 및/또는 유출 섹션에서의 동적 압력 진동이 측정되고 그리고 부가적으로 크랭크샤프트-위치 피드백 신호가 결정되되,
- 측정된 상기 압력 진동의 선택된 신호 주파수의 위상 각도는 이산 푸리에 변환을 사용하여 상기 크랭크샤프트-위치 피드백 신호 및 측정된 상기 압력 진동으로부터 결정되고, 그리고
- 결정된 상기 위상 각도에 기반하여
- 각각의 상기 계열-생산 내연 기관의 상기 밸브 제어 시간은 참조 내연 기관의 그리고/또는 그로부터 유도된 모델 함수의 상기 압력 진동의 동일한 신호 주파수에 대한 참조 밸브 제어 시간 및 참조 위상 각도를 사용하여 결정되는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법. - 제1항에 있어서, 결정된 상기 밸브 제어 시간은 상기 참조 내연 기관의 상기 참조 밸브 제어 시간과 비교되고 그리고 상기 참조 밸브 제어 시간으로 보정되거나, 또는
추가적 제어 변수 또는 제어 루틴은 기관 컨트롤러에서 결정된 상기 밸브 제어 시간으로 적응되는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법. - 제2항에 있어서, 상기 방법은 선행하는,
상기 참조 밸브 제어 시간 동안 상기 유입 섹션 및/또는 상기 유출 섹션에서의 압력 진동 신호의 상기 선택된 신호 주파수의 상기 참조 위상 각도를 결정하기 위해 상기 참조 내연 기관을 측정하는 단계, 및
각각의 상기 계열-생산 내연 기관의 기관 제어 유닛 상에 상기 참조 위상 각도 및 상기 참조 밸브 제어 시간을 저장하는 단계를 포함하는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법. - 제3항에 있어서, 상기 압력 진동 신호의 상기 선택된 신호 주파수의 상기 위상 각도와 상기 밸브 제어 시간 간 관계를 모델링하는 모델 함수는 상기 압력 진동 신호의 상기 선택된 신호 주파수의 상기 참조 위상 각도 및 배정된 상기 참조 밸브 제어 시간으로부터 유도되는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법.
- 제3항에 있어서, 상기 참조 내연 기관을 측정하는 단계는
- 제어 시간 편이 없는 제어 시간(StZ_RefMo_0) 동안 그리고 정의된 참조 제어 시간 편이 있는 적어도 하나의 추가적 제어 시간(StZ_RefMo_RefV) 동안 작동 사이클에 걸쳐 각각의 경우에 상기 참조 내연 기관의 상기 유입 섹션 및/또는 상기 유출 섹션에서의 동적 압력 진동을 측정하는 단계, 및
- 상기 압력 진동의 상기 선택된 신호 주파수에 대해 이산 푸리에 변환을 사용하여 상기 제어 시간(StZ_RefMo_0)에 대한 적어도 하나의 위상 각도(PhW_RefMo_0) 및 상기 제어 시간(StZ_RefMo_RefV) 중 적어도 하나에 대한 적어도 하나의 위상 각도(PhW_RefMo_RefV)를 결정하는 단계를 포함하는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법. - 제4항 또는 제5항에 있어서,
- 각각의 상기 계열-생산 내연 기관의 상기 유입 섹션 및/또는 상기 유출 섹션에서의 상기 동적 압력 진동을 측정하고,
- 상기 압력 진동의 상기 선택된 신호 주파수에 대해 이산 푸리에 변환을 사용하여 주어진 위상 각도(PhW_SeMo_Act)를 결정하고, 그리고
- 결정될 제어 시간(StZ_SeMo_Act)을, 상기 모델 함수 StZ_SeMo_Act = StZ_RefMo_0 + (StZ_RefMo_RefV - StZ_RefMo_0) * ((PhW_SeMo_Act - PhW_RefMo_0) / (PhW_RefMo_RefV - PhW_RefMo_0))에 따라, 계산하는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법. - 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 선택된 신호 주파수는 흡기 주파수 그리고 더 상기 흡기 주파수의 배수를 포함하는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 동적 압력 진동은 흡기 매니폴드에서의 계열-생산-유형 압력 센서를 사용하여 측정되는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법.
- 제2항 내지 제5항 중 어느 한 항에 있어서, 상기 크랭크샤프트-위치 피드백 신호는 기어휠 및 홀 센서로 결정되는 것을 특징으로 하는, 계열-생산 내연 기관의 밸브 제어 시간을 식별하기 위한 방법.
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