JPS6448654U - - Google Patents
Info
- Publication number
- JPS6448654U JPS6448654U JP1987143937U JP14393787U JPS6448654U JP S6448654 U JPS6448654 U JP S6448654U JP 1987143937 U JP1987143937 U JP 1987143937U JP 14393787 U JP14393787 U JP 14393787U JP S6448654 U JPS6448654 U JP S6448654U
- Authority
- JP
- Japan
- Prior art keywords
- knocking
- judgment
- determination signal
- correct
- load vector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012937 correction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 9
- 238000010606 normalization Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
- G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
- G01L23/225—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines circuit arrangements therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
第1図は本考案の構成を示すブロツク図、第2
図は本考案の一実施例の全体構成図、第3図は同
じく線形分類器の構成図、第4図は同じく数示回
路の構成図、第5図は機関回転数に対する機関振
動の正規化スペクトルの面積比を示す線図、第6
図は線形分類器の作用を説明するためのブロツク
図、第7図は荷重ベクトル修正回数に対する荷重
ベクトル及びノツキング判定の正解率の特性を示
す線図、第8図は従来例を示す構成図である。 11…機関、13…ノツクセンサ、16…線形
分類器、51…教示回路。
図は本考案の一実施例の全体構成図、第3図は同
じく線形分類器の構成図、第4図は同じく数示回
路の構成図、第5図は機関回転数に対する機関振
動の正規化スペクトルの面積比を示す線図、第6
図は線形分類器の作用を説明するためのブロツク
図、第7図は荷重ベクトル修正回数に対する荷重
ベクトル及びノツキング判定の正解率の特性を示
す線図、第8図は従来例を示す構成図である。 11…機関、13…ノツクセンサ、16…線形
分類器、51…教示回路。
Claims (1)
- ノツキングに関連する機関振動その他機関の各
種運転状態を検出する運転状態検出手段と、前記
運転状態検出手段によつて検出された各種信号を
荷重ベクトルによつて重み付け演算処理してノツ
キング判定信号を形成するノツキング判定信号形
成手段と、前記ノツキング判定信号形成手段によ
り形成されたノツキング判定信号を基準信号と比
較してノツキングの有無を判定するノツキング判
定手段と、外部から与えられた高精度なノツキン
グ検出情報に基づいて前記ノツキング判定手段に
よるノツキング判定の正誤を判定する正娯判定手
段と、前記正誤判定手段による正誤判定結果に基
づいて前記ノツキング判定信号形成手段の荷重ベ
クトルをノツキング判定結果の正解判定率を高め
る方向に修正する荷重ベクトル修正手段とを備え
て構成したことを特徴とする内燃機関のノツキン
グ判定装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987143937U JPS6448654U (ja) | 1987-09-22 | 1987-09-22 | |
US07/247,291 US4899710A (en) | 1987-09-22 | 1988-09-22 | System and method for detecting and determining knocking in an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987143937U JPS6448654U (ja) | 1987-09-22 | 1987-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6448654U true JPS6448654U (ja) | 1989-03-27 |
Family
ID=15350536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987143937U Pending JPS6448654U (ja) | 1987-09-22 | 1987-09-22 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4899710A (ja) |
JP (1) | JPS6448654U (ja) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970000448B1 (ko) * | 1988-10-13 | 1997-01-11 | 미쯔비시 지도샤 고교 가부시끼가이샤 | 불꽃점화 내연기관의 연소상태 판정방법 및 연소상태 제어장치 |
US4971007A (en) * | 1989-09-25 | 1990-11-20 | Ford Motor Company | System and method for combined knock and torque timing control |
FR2652896B1 (fr) * | 1989-10-11 | 1994-05-27 | Marelli Autronica | Procede et dispositif de detection de cliquetis. |
JPH03134266A (ja) * | 1989-10-18 | 1991-06-07 | Nippondenso Co Ltd | エンジン用ノック制御装置 |
JP2699615B2 (ja) * | 1990-06-11 | 1998-01-19 | 日産自動車株式会社 | エンジンのノッキング検出装置 |
JPH04244933A (ja) * | 1991-01-31 | 1992-09-01 | Fuji Heavy Ind Ltd | エンジンのノッキング検出装置 |
US5608633A (en) * | 1991-07-29 | 1997-03-04 | Nissan Motor Co., Ltd. | System and method for detecting knocking for internal combustion engine |
US5996398A (en) * | 1992-01-22 | 1999-12-07 | Robert Bosch Gmbh | Device for knock detection in internal combustion engine |
JP2834937B2 (ja) * | 1992-06-15 | 1998-12-14 | 三菱電機株式会社 | 内燃機関ノック制御装置 |
US5560337A (en) * | 1993-08-16 | 1996-10-01 | Saturn Corporation | Knock control using fuzzy logic |
US5483936A (en) * | 1994-07-05 | 1996-01-16 | Kerstein; Scott M. | Spark knock detection system for an internal combustion engine |
DE19615448A1 (de) * | 1996-04-19 | 1997-11-20 | Bosch Gmbh Robert | Vorrichtung zur Klopferkennung und Regelung einer Brennkraftmaschine |
KR100224363B1 (ko) * | 1997-07-30 | 1999-12-01 | 박병재 | 운전 영역별 학습치 보정을 위한 노크 제어 방법 |
JP4475675B2 (ja) * | 2007-05-11 | 2010-06-09 | 三菱電機株式会社 | 内燃機関のノック検出装置 |
CA2610388C (en) * | 2007-11-29 | 2009-09-15 | Westport Power Inc. | Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine |
JP4827936B2 (ja) * | 2008-03-18 | 2011-11-30 | 本田技研工業株式会社 | 内燃機関のノッキング検出装置 |
US8131484B2 (en) * | 2010-03-15 | 2012-03-06 | Sergey Kirillov | Method for preprocessing vibro-sensor signals for engine diagnostics and device for carrying out thereof |
US20130265256A1 (en) * | 2012-04-07 | 2013-10-10 | Cambridge Touch Technologies, Ltd. | Pressure sensing display device |
KR102313098B1 (ko) | 2014-02-18 | 2021-10-14 | 케임브리지 터치 테크놀로지스 리미티드 | 포스 터치를 이용한 터치 스크린 전력 모드의 동적 스위칭 |
JP6712597B2 (ja) | 2014-12-23 | 2020-06-24 | ケンブリッジ タッチ テクノロジーズ リミテッドCambridge Touch Technologies Limited | 感圧式タッチパネル |
GB2533667B (en) | 2014-12-23 | 2017-07-19 | Cambridge Touch Tech Ltd | Pressure-sensitive touch panel |
GB2544307B (en) | 2015-11-12 | 2018-02-07 | Cambridge Touch Tech Ltd | Processing signals from a touchscreen panel |
GB2544353B (en) | 2015-12-23 | 2018-02-21 | Cambridge Touch Tech Ltd | Pressure-sensitive touch panel |
US10282046B2 (en) | 2015-12-23 | 2019-05-07 | Cambridge Touch Technologies Ltd. | Pressure-sensitive touch panel |
GB2547031B (en) | 2016-02-05 | 2019-09-25 | Cambridge Touch Tech Ltd | Touchscreen panel signal processing |
GB2565305A (en) | 2017-08-08 | 2019-02-13 | Cambridge Touch Tech Ltd | Device for processing signals from a pressure-sensing touch panel |
US11093088B2 (en) | 2017-08-08 | 2021-08-17 | Cambridge Touch Technologies Ltd. | Device for processing signals from a pressure-sensing touch panel |
JP6733752B1 (ja) * | 2019-02-08 | 2020-08-05 | トヨタ自動車株式会社 | 内燃機関のノッキング検出装置およびノッキング検出方法 |
JP6733795B1 (ja) | 2019-09-24 | 2020-08-05 | トヨタ自動車株式会社 | 内燃機関の点火時期制御装置 |
JP6683283B1 (ja) * | 2019-09-24 | 2020-04-15 | トヨタ自動車株式会社 | 内燃機関の点火時期制御装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951675B2 (ja) * | 1979-07-31 | 1984-12-15 | 日産自動車株式会社 | 内燃機関の制御装置 |
DE3020853A1 (de) * | 1980-06-02 | 1981-12-10 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur erkennung des klopfens einer brennkraftmaschine und vorrichtung zur durchfuehrung des verfahrens |
US4312214A (en) * | 1980-06-17 | 1982-01-26 | Chrysler Corporation | Knock detector for internal combustion engine |
JPS5738667A (en) * | 1980-08-14 | 1982-03-03 | Hitachi Ltd | Knock controller |
DE3137016C2 (de) * | 1981-09-17 | 1985-01-03 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur Erkennung des Klopfens einer Brennkraftmaschine |
JPS5965225A (ja) * | 1982-10-05 | 1984-04-13 | Toyota Motor Corp | 内燃機関のノツキング検出装置 |
DE3308541A1 (de) * | 1983-03-10 | 1984-09-13 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zur erkennung des klopfens bei brennkraftmaschinen |
JPH0680335A (ja) * | 1992-09-07 | 1994-03-22 | Hitachi Building Syst Eng & Service Co Ltd | エレベータ位置表示灯の点検装置 |
-
1987
- 1987-09-22 JP JP1987143937U patent/JPS6448654U/ja active Pending
-
1988
- 1988-09-22 US US07/247,291 patent/US4899710A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4899710A (en) | 1990-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6448654U (ja) | ||
JPS63188559U (ja) | ||
CA2104145A1 (en) | Single sensor misfire detection apparatus and method for an internal combustion engine | |
JPS6480745A (en) | Air-fuel ratio control device for internal combustion engine | |
JPS5979827A (ja) | エンジンのノツク検出方式 | |
JPS63182245U (ja) | ||
JPH0663496B2 (ja) | 内燃機関用ノツキング制御装置 | |
JPS6415937U (ja) | ||
JPS6220340U (ja) | ||
JPS611665U (ja) | ノツキング回避装置 | |
JPS6033611U (ja) | 車両用走行誘導装置 | |
JPS60149878U (ja) | エンジンの吸気温度検出装置 | |
JPS6256741U (ja) | ||
JPS62124277U (ja) | ||
JPH0171646U (ja) | ||
JPH0633396Y2 (ja) | 筒内圧最大クランク角位置検出装置 | |
JPH0411240U (ja) | ||
JPH0321748B2 (ja) | ||
JPH0191054U (ja) | ||
JPS6393474U (ja) | ||
JPH03122250U (ja) | ||
JPS63182244U (ja) | ||
JPS6411373U (ja) | ||
JPH0341146U (ja) | ||
JPH06288818A (ja) | 内燃機関のノック検出装置 |