JPH04358743A - 信号処理装置及び方法 - Google Patents
信号処理装置及び方法Info
- Publication number
- JPH04358743A JPH04358743A JP3101485A JP10148591A JPH04358743A JP H04358743 A JPH04358743 A JP H04358743A JP 3101485 A JP3101485 A JP 3101485A JP 10148591 A JP10148591 A JP 10148591A JP H04358743 A JPH04358743 A JP H04358743A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- error
- parameters
- input
- value
- 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
- 238000000034 method Methods 0.000 title claims description 9
- 238000005070 sampling Methods 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 18
- 230000004044 response Effects 0.000 claims description 16
- 238000003672 processing method Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Classifications
- 
        - G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
- G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
- G01F15/046—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means involving digital counting
 
- 
        - G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/72—Devices for measuring pulsing fluid flows
 
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US518594 | 1990-05-03 | ||
| US07/518,594 US5014550A (en) | 1990-05-03 | 1990-05-03 | Method of processing mass air sensor signals | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| JPH04358743A true JPH04358743A (ja) | 1992-12-11 | 
Family
ID=24064624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP3101485A Pending JPH04358743A (ja) | 1990-05-03 | 1991-05-07 | 信号処理装置及び方法 | 
Country Status (4)
| Country | Link | 
|---|---|
| US (1) | US5014550A (OSRAM) | 
| JP (1) | JPH04358743A (OSRAM) | 
| DE (1) | DE4114170A1 (OSRAM) | 
| GB (1) | GB2243692B (OSRAM) | 
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPH0559993A (ja) * | 1991-08-28 | 1993-03-09 | Hitachi Ltd | 内燃機関制御装置 | 
| US5832403A (en) * | 1995-12-13 | 1998-11-03 | Hitachi, Ltd. | Air flow measuring apparatus and method thereof | 
| US5878008A (en) * | 1995-02-14 | 1999-03-02 | Hitachi, Ltd. | Optical recording/reproducing method and apparatus for controlling irradiation position of an optical spot | 
| US6064644A (en) * | 1995-02-14 | 2000-05-16 | Hitachi, Ltd. | Optical recording medium having particular arrangement of prepits and manufacturing method thereof | 
| US7072278B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE4120388C2 (de) * | 1991-06-19 | 2001-05-03 | Bosch Gmbh Robert | Verfahren zur Temperaturerfassung | 
| DE4410789A1 (de) * | 1994-03-28 | 1995-10-05 | Bosch Gmbh Robert | Verfahren zur Korrektur des Ausgangssignales eines Luftmassenmessers | 
| WO1995034753A1 (fr) * | 1994-06-13 | 1995-12-21 | Hitachi, Ltd. | Dispositif et procede de mesure d'un debit d'air | 
| EP0695928A3 (en) * | 1994-08-02 | 1996-11-27 | Hitachi Ltd | Intake air flow meter for an internal combustion engine | 
| DE102004047786A1 (de) * | 2004-10-01 | 2006-04-06 | Robert Bosch Gmbh | Verfahren zur Pulsationskorrektur innerhalb eines einen Medienmassenstrom messenden Messgeräts | 
| DE102005001809A1 (de) * | 2005-01-13 | 2006-07-27 | Endress + Hauser Flowtec Ag | Verfahren zur Regelung eines thermischen bzw. kalorimetrischen Durchflussmessgeräts | 
| US10934960B2 (en) | 2018-11-02 | 2021-03-02 | GM Global Technology Operations LLC | Method and system for estimating mass airflow using a mass airflow sensor | 
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US4270391A (en) * | 1979-08-24 | 1981-06-02 | Fischer & Porter Co. | Frequency-responsive filter for flowmeter transmission system | 
| JPS5722563A (en) * | 1980-07-15 | 1982-02-05 | Hitachi Ltd | Sucked air flowmeter for internal combustion engine | 
| JPS586225U (ja) * | 1981-07-03 | 1983-01-14 | 日産自動車株式会社 | 機関吸気流量計測用カルマン渦流量計の信号処理装置 | 
| DE3218931A1 (de) * | 1982-05-19 | 1983-11-24 | Bosch Gmbh Robert | Verfahren zur messung der von einer brennkraftmaschine angesaugten pulsierenden luftmasse | 
| JPS63231221A (ja) * | 1987-03-19 | 1988-09-27 | Mitsubishi Electric Corp | エンジンの吸気量測定装置 | 
- 
        1990
        - 1990-05-03 US US07/518,594 patent/US5014550A/en not_active Expired - Fee Related
 
- 
        1991
        - 1991-04-10 GB GB9107524A patent/GB2243692B/en not_active Expired - Fee Related
- 1991-04-30 DE DE4114170A patent/DE4114170A1/de active Granted
- 1991-05-07 JP JP3101485A patent/JPH04358743A/ja active Pending
 
Cited By (46)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPH0559993A (ja) * | 1991-08-28 | 1993-03-09 | Hitachi Ltd | 内燃機関制御装置 | 
| US6580685B2 (en) | 1995-02-14 | 2003-06-17 | Hitachi, Ltd. | Optical recording medium with aligned prepit portion | 
| US6538981B2 (en) | 1995-02-14 | 2003-03-25 | Hitachi, Ltd. | Optical reproduction apparatus | 
| US5953310A (en) * | 1995-02-14 | 1999-09-14 | Hitachi, Ltd. | Optical recording medium using land/groove recording | 
| US6064644A (en) * | 1995-02-14 | 2000-05-16 | Hitachi, Ltd. | Optical recording medium having particular arrangement of prepits and manufacturing method thereof | 
| US6195316B1 (en) | 1995-02-14 | 2001-02-27 | Hitachi, Ltd. | Optical recording medium using land/groove recording | 
| US6262968B1 (en) | 1995-02-14 | 2001-07-17 | Hitachi, Ltd. | Optical information processing apparatus | 
| US6314075B2 (en) | 1995-02-14 | 2001-11-06 | Hitachi, Ltd. | Optical recording/reproducing apparatus | 
| US6370106B2 (en) | 1995-02-14 | 2002-04-09 | Hitachi, Ltd. | Optical reproduction apparatus | 
| US6392985B2 (en) | 1995-02-14 | 2002-05-21 | Hitachi, Ltd. | Optical reproduction apparatus for reproducing information from optical recording medium having wobbled address pits | 
| US6430142B2 (en) | 1995-02-14 | 2002-08-06 | Hitachi, Ltd. | Method for reproducing information from optical medium | 
| US6430146B1 (en) | 1995-02-14 | 2002-08-06 | Hitachi, Ltd. | Optical reproducing method | 
| US6483800B2 (en) | 1995-02-14 | 2002-11-19 | Hitachi, Ltd. | Optical reproduction apparatus for reproducing information from an optical recording medium having wobbled pits | 
| US6529470B2 (en) | 1995-02-14 | 2003-03-04 | Hitachi, Ltd. | Optical recording medium with aligned prepit portion | 
| US6795390B2 (en) | 1995-02-14 | 2004-09-21 | Hitachi, Ltd. | Information recording method | 
| US6538980B2 (en) | 1995-02-14 | 2003-03-25 | Hitachi, Ltd. | Optical disc | 
| US6611489B2 (en) | 1995-02-14 | 2003-08-26 | Hitachi, Ltd. | Information reproducing method for an optical medium having grooves and lands | 
| US6542456B2 (en) | 1995-02-14 | 2003-04-01 | Hitachi, Ltd. | Optical reproducing method | 
| US6542457B2 (en) | 1995-02-14 | 2003-04-01 | Hitachi, Ltd. | Method for reproducing information from recording medium having grooves and lands as tracks divided into units | 
| US6545973B2 (en) | 1995-02-14 | 2003-04-08 | Hitachi, Ltd. | Optical reproduction apparatus | 
| US6549510B2 (en) | 1995-02-14 | 2003-04-15 | Hitachi, Ltd. | Optical recording medium having grooves and lands | 
| US6552994B2 (en) | 1995-02-14 | 2003-04-22 | Hitachi, Ltd. | Optical reproduction apparatus | 
| US7154842B2 (en) | 1995-02-14 | 2006-12-26 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US5878008A (en) * | 1995-02-14 | 1999-03-02 | Hitachi, Ltd. | Optical recording/reproducing method and apparatus for controlling irradiation position of an optical spot | 
| US6603730B2 (en) | 1995-02-14 | 2003-08-05 | Hitachi, Ltd. | Optical reproducing method | 
| US6532207B2 (en) | 1995-02-14 | 2003-03-11 | Hitachi, Ltd. | Optical reproducing method | 
| US6845081B2 (en) | 1995-02-14 | 2005-01-18 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US6996054B2 (en) | 1995-02-14 | 2006-02-07 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072280B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072286B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072278B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072279B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072288B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072282B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072277B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072281B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7072287B2 (en) | 1995-02-14 | 2006-07-04 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7079478B2 (en) | 1995-02-14 | 2006-07-18 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7082098B2 (en) | 1995-02-14 | 2006-07-25 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7085222B2 (en) | 1995-02-14 | 2006-08-01 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7088652B2 (en) | 1995-02-14 | 2006-08-08 | Hitachi, Ltd. | Optical recording apparatus | 
| US7092350B2 (en) | 1995-02-14 | 2006-08-15 | Hitachi, Ltd. | Optical reproducing method for optical medium with aligned prepit portion | 
| US7092349B2 (en) * | 1995-02-14 | 2006-08-15 | Hitachi, Ltd. | Optical reproducing method optical medium with aligned prepit portion | 
| US7099263B2 (en) | 1995-02-14 | 2006-08-29 | Hitachi Ltd | Optical reproducing method for optical medium with aligned prepit portion | 
| US7151721B2 (en) | 1995-02-14 | 2006-12-19 | Hitachi, Ltd. | Optical recording method using land/groove recording | 
| US5832403A (en) * | 1995-12-13 | 1998-11-03 | Hitachi, Ltd. | Air flow measuring apparatus and method thereof | 
Also Published As
| Publication number | Publication date | 
|---|---|
| DE4114170A1 (de) | 1991-11-28 | 
| GB2243692A (en) | 1991-11-06 | 
| US5014550A (en) | 1991-05-14 | 
| GB2243692B (en) | 1994-03-02 | 
| DE4114170C2 (OSRAM) | 1993-03-04 | 
| GB9107524D0 (en) | 1991-05-29 | 
Similar Documents
| Publication | Publication Date | Title | 
|---|---|---|
| JPH04358743A (ja) | 信号処理装置及び方法 | |
| JPS62502433A (ja) | デジタルレギュレ−タのセッテングの調整方法 | |
| EP0365003B1 (en) | Method for controlling an internal combustion engine with fuel injection | |
| FR2733796A1 (fr) | Procede de parametrage d'un regulateur lambda lineaire pour un moteur a combustion interne | |
| EP0099363A1 (en) | Gas analyzing techniques | |
| USRE38374E1 (en) | Training a recursive filter by use of derivative function | |
| JP4703558B2 (ja) | 気体フローを調節して圧力変化率の測定を改善する方法及び装置 | |
| US4025763A (en) | Process control including simulating a derivative | |
| JPS5924389B2 (ja) | 流体成分定量分析方法 | |
| US4385362A (en) | Filter arrangement for elimination of unwanted bias in a model reference process control system | |
| EP0022789A1 (en) | GAS ANALYZER AND GAS ANALYSIS METHOD. | |
| FR2617615A1 (fr) | Installation de regulation utilisant une precision de grandeur de regulation pour commander la grandeur de reglage | |
| JPH06318102A (ja) | センサ補償装置 | |
| JPH0434766B2 (OSRAM) | ||
| CN86100479A (zh) | 控制空气燃料比的方法 | |
| US2938170A (en) | Measuring system | |
| JPH0395469A (ja) | 実効値測定装置 | |
| GB2116720A (en) | Flow rate sensor | |
| US6597145B1 (en) | Motion controlling | |
| JPS6356562B2 (OSRAM) | ||
| JPH07189785A (ja) | 内燃機関の燃料制御装置,方法、及びそれを用いた車両 | |
| JPH05223611A (ja) | 空気流量計 | |
| JPS6238340Y2 (OSRAM) | ||
| JPS6150242B2 (OSRAM) | ||
| JPH07260555A (ja) | 重量選別機 |