KR100787986B1 - Ae 신호를 이용한 tdc 검출 방법 - Google Patents
Ae 신호를 이용한 tdc 검출 방법 Download PDFInfo
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- KR100787986B1 KR100787986B1 KR1020060135230A KR20060135230A KR100787986B1 KR 100787986 B1 KR100787986 B1 KR 100787986B1 KR 1020060135230 A KR1020060135230 A KR 1020060135230A KR 20060135230 A KR20060135230 A KR 20060135230A KR 100787986 B1 KR100787986 B1 KR 100787986B1
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- Prior art keywords
- tdc
- signal
- time point
- engine
- value
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- 238000001514 detection method Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000000605 extraction Methods 0.000 claims description 9
- 238000004880 explosion Methods 0.000 abstract description 5
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 230000002730 additional effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/06—Testing internal-combustion engines by monitoring positions of pistons or cranks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
Claims (6)
- 선박 등의 엔진의 AE 신호를 이용하여 TDC를 검출하는 방법에 있어서, 상기 방법은상기 엔진의 AE 신호를 획득하는 단계;상기 획득된 AE 신호로부터 에너지값을 추출하는 단계;상기 에너지값의 피크값이 임계값을 초과하는지를 검출하는 단계; 및상기 임계값을 초과하는 피크값이 검출되면, 상기 피크 시점으로부터 TDC 시점을 결정하는 단계를 포함하는 것을 특징으로 하는 AE 신호를 이용한 TDC 검출 방법.
- 선박 등의 엔진의 AE 신호를 이용하여 TDC를 검출하는 시스템에서, 상기 시스템으로 하여금,상기 엔진의 AE 신호를 획득하는 단계;상기 획득된 AE 신호로부터 에너지값을 추출하는 단계;상기 에너지값의 피크값이 임계값을 초과하는지를 검출하는 단계;상기 임계값을 초과하는 피크값이 검출되면, 상기 피크 시점으로부터 TDC 시점을 결정하는 단계를 수행하도록 프로그램된 것을 특징으로 하는 컴퓨터로 읽을 수 있는 기록매체
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020060135230A KR100787986B1 (ko) | 2006-12-27 | 2006-12-27 | Ae 신호를 이용한 tdc 검출 방법 |
Applications Claiming Priority (1)
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KR1020060135230A KR100787986B1 (ko) | 2006-12-27 | 2006-12-27 | Ae 신호를 이용한 tdc 검출 방법 |
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KR100787986B1 true KR100787986B1 (ko) | 2007-12-24 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0510244A (ja) * | 1991-06-28 | 1993-01-19 | Kubota Corp | エンジンのピストン上死点位置検出方法 |
JPH0771355A (ja) * | 1990-02-21 | 1995-03-14 | Rolls Royce Dsv Ltd | 内燃機関制御装置 |
KR20000042284A (ko) * | 1998-12-24 | 2000-07-15 | 정주호 | 차량에서 노크 센서를 이용한 점화시기 제어 장치 및 방법 |
KR20040057442A (ko) * | 2002-12-26 | 2004-07-02 | 현대자동차주식회사 | 엔진의 공회전 제어장치 및 방법 |
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2006
- 2006-12-27 KR KR1020060135230A patent/KR100787986B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0771355A (ja) * | 1990-02-21 | 1995-03-14 | Rolls Royce Dsv Ltd | 内燃機関制御装置 |
JPH0510244A (ja) * | 1991-06-28 | 1993-01-19 | Kubota Corp | エンジンのピストン上死点位置検出方法 |
KR20000042284A (ko) * | 1998-12-24 | 2000-07-15 | 정주호 | 차량에서 노크 센서를 이용한 점화시기 제어 장치 및 방법 |
KR20040057442A (ko) * | 2002-12-26 | 2004-07-02 | 현대자동차주식회사 | 엔진의 공회전 제어장치 및 방법 |
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