JP2018138782A - 品質信号を診断するための方法、制御装置、制御装置プログラムおよび制御装置プログラム製品 - Google Patents
品質信号を診断するための方法、制御装置、制御装置プログラムおよび制御装置プログラム製品 Download PDFInfo
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- 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
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- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- 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
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/02—Catalytic activity of catalytic converters
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/05—Systems for adding substances into exhaust
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/148—Arrangement of 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
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
-
- 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
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1818—Concentration of the reducing agent
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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
- Y02T10/12—Improving ICE efficiencies
-
- 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
Abstract
Description
12 タンク
14 尿素水溶液
16 排気ガス通路
18 内燃機関
20 SCR触媒
22 調量弁
24 品質センサ
26 品質信号
28 制御装置
30 超音波信号
32 超音波センサ
34 信号処理装置
36 クロック発振器
38 クロック信号
40 第1のインターフェース
42 第2のインターフェース
44 信号評価器
46,48 周期閾値
50 誤信号
52 値、時間長さ
54 同期パルス
56 値、時間間隔
58 値、時間間隔
Claims (9)
- 反応剤調量システム(10)内に組み込まれた品質センサ(24)が提供する品質信号(26)を診断するための方法であって、前記反応剤調量システム(10)が、タンク(12)内に貯蔵された尿素水溶液(14)をSCR触媒(20)の上流で調量し、前記尿素水溶液(14)の品質が前記品質センサ(24)により検査される方法において、
前記品質センサ(24)が、クロック信号(38)を提供するクロック発振器(36)を備えた信号処理装置(34)を有しており、前記品質センサ(24)が前記品質信号(26)を、時間基準の測定に基づいて算出し、前記品質信号(26)を、インターフェース(40,42)を介して前記クロック信号(38)の周期に依存して制御装置(28)に伝送し、前記制御装置(28)で前記クロック信号(38)の周期のための値(52,56,68)を算出し、前記周期のための前記値(52,56,58)を少なくとも1つの周期閾値(46,48)と比較し、前記クロック信号(38)の周期のための前記値(52,56,58)が前記周期閾値(46,48)からずれたときに、誤信号(50)が提供されることを特徴とする、品質信号を診断するための方法。 - 2つの周期閾値(46,48)を設け、周期のための前記値(52,56,58)が上側の周期閾値(46)を上回るかまたは下側の周期閾値(48)を下回ると、前記誤信号(50)が提供されることを特徴とする、請求項1記載の方法。
- 前記品質信号(26)がSENTインターフェース(40,42)を介して伝送されることを特徴とする、請求項1記載の方法。
- 周期のための前記値(52,56,58)を、前記インターフェース(40,42)の同期パルス(54)の時間長さ(52)から算出することを特徴とする、請求項1から3までのいずれか1項記載の方法。
- 前記周期のための前記値(52,56,58)を、前記インターフェース(40,42)の2つの同期パルス(54)間の時間間隔(56,58)から算出することを特徴とする、請求項1から3までのいずれか1項記載の方法。
- 前記品質センサ(24)が前記尿素水溶液(14)内を通過する超音波信号(30)の到達時間を評価し、この到達時間のための値を、前記インターフェース(40,42)を介して伝送することを特徴とする、請求項1記載の方法。
- 反応剤調量システム(10)のタンク(12)内に組み込まれた品質センサ(24)を診断するための装置において、
請求項1から6までのいずれか1項記載の診断方法を実施するために特別に整えられた制御装置(28)が設けられていることを特徴とする、品質センサを診断するための装置。 - 品質信号(26)を診断するための、請求項7に記載された制御装置(26)内に記憶された制御装置プログラム。
- プログラムが制御装置(28)において実行されるときに、前記品質信号(26)を診断するための、請求項7に記載した制御装置(26)用の、機械読み取り可能な担体に記憶されたプログラムコードを有している、制御装置プログラム製品。
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DE102016225756.0A DE102016225756A1 (de) | 2016-12-21 | 2016-12-21 | Verfahren zur Diagnose eines Qualitätssignals, Steuergerät, Steuergerät-Programm und Steuergerät-Programmprodukt |
DE102016225756.0 | 2016-12-21 |
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JP7109140B2 JP7109140B2 (ja) | 2022-07-29 |
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US (1) | US10458304B2 (ja) |
JP (1) | JP7109140B2 (ja) |
KR (1) | KR102500074B1 (ja) |
CN (1) | CN108223087B (ja) |
DE (1) | DE102016225756A1 (ja) |
Citations (4)
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JP2009520155A (ja) * | 2005-12-20 | 2009-05-21 | スカニア シーブイ アクチボラグ(パブル) | センサまたは排気ガス後処理システムの機能を監視するための方法および装置 |
WO2014199777A1 (ja) * | 2013-06-10 | 2014-12-18 | ボッシュ株式会社 | 制御装置、内燃機関の排気浄化装置及び排気浄化装置の制御方法 |
JP2015532387A (ja) * | 2012-10-11 | 2015-11-09 | コンチネンタル オートモーティヴ ゲゼルシャフト ミット ベシュレンクテル ハフツングContinental Automotive GmbH | 液体添加剤を供給する装置 |
WO2016144556A1 (en) * | 2015-03-12 | 2016-09-15 | Allegro Microsystems, Llc | Signaling between master and slave components using a shared communication node of the master component |
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BR112012015054B1 (pt) * | 2009-12-21 | 2021-10-13 | Wema System As | Mecanismo de sensor de qualidade |
JP5786280B2 (ja) * | 2010-05-17 | 2015-09-30 | いすゞ自動車株式会社 | 尿素水温度センサの妥当性診断システム |
DE102010038394A1 (de) * | 2010-07-26 | 2012-01-26 | Robert Bosch Gmbh | Verfahren zur Dosierung eines Reagenzmittels in einen Abgaskanal und Vorrichtung zur Durchführung des Verfahrens |
SE535967C2 (sv) * | 2011-07-11 | 2013-03-12 | Scania Cv Ab | Metod för att kontrollera en vätska |
US20140096586A1 (en) * | 2012-10-06 | 2014-04-10 | Spire Metering Technology LLC | Device and method for measurement of ultrasonic transit times |
JP6398789B2 (ja) * | 2015-02-27 | 2018-10-03 | いすゞ自動車株式会社 | 診断装置 |
DE102015212622A1 (de) | 2015-07-07 | 2017-01-12 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Korrigieren eines Qualitätssignals eines in einem Reagenzmittel-Dosiersystem eingesetzten Ultraschall-Qualitätssensors, Steuergerät-Programm und Steuergerät-Programmprodukt |
GB2528601A (en) * | 2015-10-16 | 2016-01-27 | Gm Global Tech Operations Inc | A method of managing a selective catalytic reduction system of a motor vehicle |
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- 2017-12-18 US US15/844,844 patent/US10458304B2/en active Active
- 2017-12-20 CN CN201711384721.7A patent/CN108223087B/zh active Active
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JP2009520155A (ja) * | 2005-12-20 | 2009-05-21 | スカニア シーブイ アクチボラグ(パブル) | センサまたは排気ガス後処理システムの機能を監視するための方法および装置 |
JP2015532387A (ja) * | 2012-10-11 | 2015-11-09 | コンチネンタル オートモーティヴ ゲゼルシャフト ミット ベシュレンクテル ハフツングContinental Automotive GmbH | 液体添加剤を供給する装置 |
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WO2016144556A1 (en) * | 2015-03-12 | 2016-09-15 | Allegro Microsystems, Llc | Signaling between master and slave components using a shared communication node of the master component |
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KR20180072571A (ko) | 2018-06-29 |
US20180171848A1 (en) | 2018-06-21 |
JP7109140B2 (ja) | 2022-07-29 |
CN108223087B (zh) | 2021-06-29 |
CN108223087A (zh) | 2018-06-29 |
US10458304B2 (en) | 2019-10-29 |
KR102500074B1 (ko) | 2023-02-16 |
DE102016225756A1 (de) | 2018-06-21 |
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