JP2014531033A - センサエレメントの測定値を修正する方法 - Google Patents
センサエレメントの測定値を修正する方法 Download PDFInfo
- Publication number
- JP2014531033A JP2014531033A JP2014537536A JP2014537536A JP2014531033A JP 2014531033 A JP2014531033 A JP 2014531033A JP 2014537536 A JP2014537536 A JP 2014537536A JP 2014537536 A JP2014537536 A JP 2014537536A JP 2014531033 A JP2014531033 A JP 2014531033A
- Authority
- JP
- Japan
- Prior art keywords
- measurement
- value
- switching position
- individual
- switching
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000012937 correction Methods 0.000 claims description 34
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 230000034964 establishment of cell polarity Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000010287 polarization Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
- G01N27/4175—Calibrating or checking the analyser
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1402—Exhaust gas composition
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
11 第1の信号軸
12 第1のポンプ電流値
13 第2のポンプ電流値
14 ポンプ電流値
15 第1の修正値
16 第2の修正値
17 第1の時間軸
20 第2のポンプ電流図
21 第2の信号軸
22 第1のポンプ電流推移
23 第2のポンプ電流推移
24 第2のポンプ電流領域
25 第1のポンプ電流領域
26 第2の時間軸
Claims (9)
- 様々な測定を実行し、様々な動作状態を設定する測定周期を繰り返し実行する間にスイッチング装置によりセンサエレメントを連続するスイッチング位置において所与の順序で周期的に入り切りし、ここで、1つの測定周期の中で所与のスイッチング位置において測定値を求めるべく少なくとも1つの測定を繰り返し実行し、そうすることにより、所与のスイッチング位置における個別測定値を求め、これら個別測定値から目標の測定値を求める仕方でセンサエレメントの測定値を修正する方法であって、前記個別測定値をその時々のスイッチング位置に応じて修正することを特徴とする方法。
- 第1段階で測定値にとっての近似値を求めること、学習段階で測定周期内のスイッチング位置に応じて近似値からの個別測定値の偏差を求めること、この偏差から異なるスイッチング位置ごとに個別測定値の修正のための修正値を求めること、そして、応用段階でその時々のスイッチング位置に割り当てられた修正値を使って個別測定値を修正することを特徴とする請求項1に記載の方法。
- 前記第1段階で前記近似値を1つの測定周期又は複数の測定周期の間の個別測定値の平均値として作ることを特徴とする請求項1又は2に記載の方法。
- 前記応用段階でその時々のスイッチング位置のために使用される修正値を、複数の測定周期においてその時々のスイッチング位置ごとに求められる修正値の平均値又はスライド平均値として作ることを特徴とする請求項1〜3のいずれか1項に記載の方法。
- 前記第1段階と前記学習段階と前記応用段階が時間的に並行することを特徴とする請求項1〜4のいずれか1項に記載の方法。
- ワイドバンド・ラムダゾンデのポンプ電流を内燃機関の運転パラメータに応じて修正し、その上でポンプ電流の個別測定値を修正することを特徴とする請求項1〜5のいずれか1項に記載の方法。
- 前記内燃機関の運転パラメータとしてその回転数を使用することを特徴とする請求項6に記載の方法。
- ポンプセルとネルンストセルを備えたワイドバンド・ラムダゾンデのポンプ電流を修正する先行請求項のいずれか1項に記載の方法であって、第1段階で近似値を求める時、ネルンストセルの分極が予期できないスイッチング位置の後に続くスイッチング位置の間に個別測定値の平均値を作ることを特徴とする方法。
- 内燃機関の排ガスにおける燃空比ラムダ値を求めるべく、ワイドバンド・ラムダゾンデのポンプ電流を修正する、先行請求項のいずれか1項に記載の方法の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011086144.0 | 2011-11-11 | ||
DE102011086144A DE102011086144A1 (de) | 2011-11-11 | 2011-11-11 | Verfahren zur Korrektur von Messwerten eines Sensorelements |
PCT/EP2012/067963 WO2013068157A1 (de) | 2011-11-11 | 2012-09-13 | Verfahren zur korrektur von messwerten eines sensorelements |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014531033A true JP2014531033A (ja) | 2014-11-20 |
JP5899325B2 JP5899325B2 (ja) | 2016-04-06 |
Family
ID=47010525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014537536A Active JP5899325B2 (ja) | 2011-11-11 | 2012-09-13 | センサエレメントの測定値を修正する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10533980B2 (ja) |
EP (1) | EP2776820B1 (ja) |
JP (1) | JP5899325B2 (ja) |
CN (1) | CN103917864B (ja) |
DE (1) | DE102011086144A1 (ja) |
ES (1) | ES2720157T3 (ja) |
WO (1) | WO2013068157A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113179073B (zh) * | 2021-06-16 | 2022-10-11 | 国华(青岛)智能装备有限公司 | 一种提高位置精度的电机控制方法 |
CN118362625B (zh) * | 2024-06-20 | 2024-08-30 | 四川智感蔚蓝科技有限公司 | 一种氮氧传感器的劣化检测方法、装置、介质和设备 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59142449A (ja) * | 1983-02-04 | 1984-08-15 | Hitachi Ltd | 空燃比検出装置 |
US5554269A (en) * | 1995-04-11 | 1996-09-10 | Gas Research Institute | Nox sensor using electrochemical reactions and differential pulse voltammetry (DPV) |
JP2001221095A (ja) * | 2000-02-08 | 2001-08-17 | Unisia Jecs Corp | 空燃比検出装置の補正装置 |
JP2001242126A (ja) * | 2000-02-28 | 2001-09-07 | Nissan Motor Co Ltd | 空燃比センサの異常診断装置 |
JP2001355505A (ja) * | 2000-06-15 | 2001-12-26 | Unisia Jecs Corp | 内燃機関の空燃比検出装置 |
US20030024296A1 (en) * | 2001-08-01 | 2003-02-06 | Radu Richard A. | 02 sensor filter |
JP2004108788A (ja) * | 2002-09-13 | 2004-04-08 | Denso Corp | ガス濃度検出装置 |
JP2007271332A (ja) * | 2006-03-30 | 2007-10-18 | Mitsubishi Electric Corp | 空燃比演算装置 |
JP2010236358A (ja) * | 2009-03-30 | 2010-10-21 | Denso Corp | ガスセンサの信号処理装置 |
JP2011520112A (ja) * | 2008-05-09 | 2011-07-14 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 広域ラムダセンサのための評価及び制御ユニット |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3809154C1 (ja) * | 1988-03-18 | 1988-12-08 | Robert Bosch Gmbh, 7000 Stuttgart, De | |
DE19838466A1 (de) | 1998-08-25 | 2000-03-02 | Bosch Gmbh Robert | Verfahren zum Ansteuern eines Meßfühlers zum Bestimmen einer Sauerstoffkonzentration in einem Gasgemisch |
WO2002082067A2 (de) | 2001-04-05 | 2002-10-17 | Robert Bosch Gmbh | Gassensor, insbesondere lambda-sonde |
DE10163912B4 (de) | 2001-04-05 | 2016-07-21 | Robert Bosch Gmbh | Gassensor, insbesondere Lambda-Sonde |
GB2422197B (en) | 2005-05-17 | 2007-08-08 | Bio Nano Sensium Technologies | Sensor calibration |
DE102005033237B4 (de) * | 2005-07-15 | 2007-09-20 | Siemens Ag | Verfahren zur Bestimmung und Korrektur von Fehlorientierungen und Offsets der Sensoren einer Inertial Measurement Unit in einem Landfahrzeug |
DE102006061565A1 (de) | 2006-12-27 | 2008-07-03 | Robert Bosch Gmbh | Sondeneinrichtung mit Anpassungseinrichtung zur Anpassung an Auswerteeinrichtung zur Auswertung eines Sondengrenzstroms |
US9268431B2 (en) * | 2010-08-27 | 2016-02-23 | Apple Inc. | Touch and hover switching |
DE102011083287A1 (de) * | 2011-09-23 | 2013-03-28 | Robert Bosch Gmbh | Verfahren zur Erfassung einer Strömungseigenschaft eines strömenden fluiden Mediums |
US20130163003A1 (en) * | 2011-12-21 | 2013-06-27 | Ole Massow | Apparatus and method for optical swept-source coherence tomography |
-
2011
- 2011-11-11 DE DE102011086144A patent/DE102011086144A1/de not_active Ceased
-
2012
- 2012-09-13 US US14/350,963 patent/US10533980B2/en active Active
- 2012-09-13 ES ES12770007T patent/ES2720157T3/es active Active
- 2012-09-13 CN CN201280055111.1A patent/CN103917864B/zh active Active
- 2012-09-13 JP JP2014537536A patent/JP5899325B2/ja active Active
- 2012-09-13 WO PCT/EP2012/067963 patent/WO2013068157A1/de active Application Filing
- 2012-09-13 EP EP12770007.8A patent/EP2776820B1/de active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59142449A (ja) * | 1983-02-04 | 1984-08-15 | Hitachi Ltd | 空燃比検出装置 |
US5554269A (en) * | 1995-04-11 | 1996-09-10 | Gas Research Institute | Nox sensor using electrochemical reactions and differential pulse voltammetry (DPV) |
JP2001221095A (ja) * | 2000-02-08 | 2001-08-17 | Unisia Jecs Corp | 空燃比検出装置の補正装置 |
JP2001242126A (ja) * | 2000-02-28 | 2001-09-07 | Nissan Motor Co Ltd | 空燃比センサの異常診断装置 |
JP2001355505A (ja) * | 2000-06-15 | 2001-12-26 | Unisia Jecs Corp | 内燃機関の空燃比検出装置 |
US20030024296A1 (en) * | 2001-08-01 | 2003-02-06 | Radu Richard A. | 02 sensor filter |
JP2004108788A (ja) * | 2002-09-13 | 2004-04-08 | Denso Corp | ガス濃度検出装置 |
JP2007271332A (ja) * | 2006-03-30 | 2007-10-18 | Mitsubishi Electric Corp | 空燃比演算装置 |
JP2011520112A (ja) * | 2008-05-09 | 2011-07-14 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 広域ラムダセンサのための評価及び制御ユニット |
JP2010236358A (ja) * | 2009-03-30 | 2010-10-21 | Denso Corp | ガスセンサの信号処理装置 |
Also Published As
Publication number | Publication date |
---|---|
ES2720157T3 (es) | 2019-07-18 |
US20150027196A1 (en) | 2015-01-29 |
CN103917864A (zh) | 2014-07-09 |
CN103917864B (zh) | 2016-03-23 |
DE102011086144A1 (de) | 2013-05-16 |
EP2776820B1 (de) | 2019-01-16 |
EP2776820A1 (de) | 2014-09-17 |
US10533980B2 (en) | 2020-01-14 |
JP5899325B2 (ja) | 2016-04-06 |
WO2013068157A1 (de) | 2013-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6199886B2 (ja) | 広帯域ラムダセンサを監視する方法 | |
CN107003338B (zh) | 在电流测量期间借助于参考电流校准电流传感器 | |
JP6097018B2 (ja) | 広帯域ラムダセンサのケーブルエラーを監視するための方法および制御ユニット | |
US20080000286A1 (en) | Exhaust gas sensor | |
CN204831170U (zh) | 凸轮轴旋转传感器 | |
US20050102334A1 (en) | A/d conversion processing apparatus providing improved elimination of effects of noise through digital processing, method of utilizing the a/d conversion processing apparatus, and electronic control apparatus incorporating the a/d conversion processing apparatus | |
JP4938721B2 (ja) | ガスセンサの劣化信号生成装置 | |
DE102010042013A1 (de) | Verfahren zur Einstellung einer Temperatur eines Sensorelements | |
JP5899325B2 (ja) | センサエレメントの測定値を修正する方法 | |
JP6388998B2 (ja) | ガス混合物中における結合酸素を有する被測定ガス成分の少なくとも一種類の比率を検出するための方法及び装置、並びに、当該方法を実施するためのコンピュータプログラム及び電子制御装置、並びに、当該コンピュータプログラムが記憶された電子記憶媒体 | |
JP4033072B2 (ja) | ガス濃度センサの制御装置 | |
JP6474496B2 (ja) | センサエレメントの内部抵抗を求める方法及び装置 | |
JP2004177178A (ja) | 酸素センサ素子インピーダンス検出装置 | |
JP6273221B2 (ja) | センサ制御装置およびセンサ制御システム | |
JP5991202B2 (ja) | 酸素濃度センサの制御装置 | |
US20100050743A1 (en) | Gas concentration detection apparatus and gas concentration detection system | |
CN106605126A (zh) | 车辆计算机 | |
US20040130354A1 (en) | Method and device for monitoring the function of an output stage having pulse width modulation | |
US8490468B2 (en) | Failure diagnosis system | |
KR20140095285A (ko) | 션트 저항의 온도계수를 이용한 가변부하의 전류 측정방법 | |
US20200116795A1 (en) | Method for operating a battery sensor, and battery sensor | |
JP5644730B2 (ja) | センサ信号の処理装置 | |
KR102201455B1 (ko) | 센서 평가 유닛의 작동 방법 및 센서 평가 유닛 | |
US20230384184A1 (en) | Method for diagnosing a wideband lambda sensor | |
US20220200614A1 (en) | Method for precisely detecting a signal for example of a sensor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140423 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150316 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150413 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150710 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150827 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160212 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160307 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5899325 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |