RU2011116932A - METHOD AND DEVICE FOR RECOGNIZING A KNOCKING KNOCK WHEN CHANGING THE OPERATION MODES OF THE INTERNAL COMBUSTION ENGINE - Google Patents
METHOD AND DEVICE FOR RECOGNIZING A KNOCKING KNOCK WHEN CHANGING THE OPERATION MODES OF THE INTERNAL COMBUSTION ENGINE Download PDFInfo
- Publication number
- RU2011116932A RU2011116932A RU2011116932/06A RU2011116932A RU2011116932A RU 2011116932 A RU2011116932 A RU 2011116932A RU 2011116932/06 A RU2011116932/06 A RU 2011116932/06A RU 2011116932 A RU2011116932 A RU 2011116932A RU 2011116932 A RU2011116932 A RU 2011116932A
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- Prior art keywords
- internal combustion
- combustion engine
- rkr
- characterizing
- reference level
- Prior art date
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Classifications
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0613—Switch-over from one fuel to another
- F02D19/0615—Switch-over from one fuel to another being initiated by automatic means, e.g. based on engine or vehicle operating conditions
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0626—Measuring or estimating parameters related to the fuel supply system
- F02D19/0634—Determining a density, viscosity, composition or concentration
- F02D19/0636—Determining a density, viscosity, composition or concentration by estimation, i.e. without using direct measurements of a corresponding sensor
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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
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
- F02D19/0647—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
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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
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/152—Digital data processing dependent on pinking
- F02P5/1527—Digital data processing dependent on pinking with means allowing burning of two or more fuels, e.g. super or normal, premium or regular
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- 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
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- 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
1. Способ распознавания детонационного стука при смене режима работы двигателя (2) внутреннего сгорания (ДВС) на первом и втором видах топлива, заключающийся в том, что регистрируют характеристику сигнала (ikr), характеризующего корпусный шум ДВС (2), в зависимости от характеристики характеризующего корпусный шум сигнала (ikr) определяют его опорный уровень (rkr), соответствующий параметрам создаваемого двигателем фонового шума, и в зависимости от опорного уровня (rkr) устанавливают факт появления детонационного стука, отличающийся тем, что для определения опорного уровня (rkr) характеризующего корпусный шум сигнала (rkr) его характеристику подвергают фильтрации в фильтре нижних частот в соответствии с указанием его постоянной времени (TPF), которой определяется постоянная времени (TPF) при фильтрации нижних частот, каковую постоянную времени выбирают на промежуток времени, в который происходит смена режима работы, меньшей величины, чем вне него. ! 2. Способ по п.1, при осуществлении которого факт появления детонационного стука устанавливают в зависимости от порогового значения (SW), которое согласуют в процессе смены режима работы ДВС на первом и втором видах топлива. ! 3. Способ по п.1, при осуществлении которого в процессе смены режима работы задают упреждение угла опережения зажигания для изменения фактического, заданного для работы ДВС (2) момента зажигания в сторону более позднего, при этом по истечении определенного промежутка времени величину такого упреждения угла опережения зажигания плавно или ступенчато уменьшают. ! 4. Способ по п.3, при осуществлении которого величину упреждения угла опережения зажигания задают в 1. A method for recognizing a detonation knock when changing the operating mode of an internal combustion engine (2) internal combustion engine (IIC) on the first and second types of fuel, which consists in registering a signal characteristic (ikr) characterizing the engine case noise (2), depending on the characteristic the signal characterizing the case noise (ikr) determines its reference level (rkr), corresponding to the parameters of the background noise generated by the engine, and depending on the reference level (rkr), the fact of the appearance of a detonation knock is established, characterized in that for op the reference level (rkr) characterizing the case noise signal (rkr), its characteristic is filtered in a low-pass filter according to its time constant (TPF), which determines the time constant (TPF) when low-pass filtering, which time constant is selected for the period the time at which the change of operation occurs, a smaller value than outside of it. ! 2. The method according to claim 1, in the implementation of which the fact of the appearance of a detonation knock is set depending on the threshold value (SW), which is agreed upon during the change of the operating mode of the internal combustion engine on the first and second types of fuel. ! 3. The method according to claim 1, in the implementation of which, in the process of changing the operating mode, the ignition timing is set to change the actual ignition timing set for the internal combustion engine (2) to be later, and after a certain period of time, the magnitude of this angle ignition lead smoothly or stepwise reduce. ! 4. The method according to claim 3, in the implementation of which the value of the lead of the ignition timing is set in
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008042475.7A DE102008042475B4 (en) | 2008-09-30 | 2008-09-30 | Method and device for determining a knocking event during a switching operation between operating modes of an internal combustion engine |
DE102008042475.7 | 2008-09-30 | ||
PCT/EP2009/060434 WO2010037588A1 (en) | 2008-09-30 | 2009-08-12 | Method and device for detecting a knocking occurrence during a switching process between operating modes of an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2011116932A true RU2011116932A (en) | 2012-11-10 |
RU2528780C2 RU2528780C2 (en) | 2014-09-20 |
Family
ID=41233140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2011116932/06A RU2528780C2 (en) | 2008-09-30 | 2009-08-12 | Method and device for identification of knocks at changing ice operating conditions |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN102171428B (en) |
DE (1) | DE102008042475B4 (en) |
RU (1) | RU2528780C2 (en) |
WO (1) | WO2010037588A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012207733B4 (en) | 2012-05-09 | 2024-05-02 | Robert Bosch Gmbh | Method and device for detecting knocking of an internal combustion engine |
DE102013019738B3 (en) * | 2013-11-27 | 2015-04-02 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Method for operating an internal combustion engine |
DE102014224800B4 (en) * | 2014-12-03 | 2018-01-18 | Robert Bosch Gmbh | Method and device for knock control of an internal combustion engine |
JP6264325B2 (en) * | 2015-06-05 | 2018-01-24 | トヨタ自動車株式会社 | Control device for internal combustion engine |
DE102016216531A1 (en) * | 2016-09-01 | 2018-03-01 | Robert Bosch Gmbh | Method for knock detection of an internal combustion engine |
DE102017201801B4 (en) | 2017-02-06 | 2019-09-05 | Robert Bosch Gmbh | Method and device for controlling a combustion of an internal combustion engine |
DE102020128281A1 (en) | 2020-10-28 | 2022-04-28 | Bayerische Motoren Werke Aktiengesellschaft | Method for robust knock detection in an internal combustion engine, control unit and motor vehicle |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3121120A1 (en) * | 1981-04-15 | 1982-11-04 | Robert Bosch Gmbh, 7000 Stuttgart | METHOD AND DEVICE FOR DETECTING IRREGULAR COMBUSTION PROCESSES IN AN INTERNAL COMBUSTION ENGINE |
KR970000448B1 (en) | 1988-10-13 | 1997-01-11 | 미쯔비시 지도샤 고교 가부시끼가이샤 | Method for determining combustion condition in spark ignition internal combustion engine and combustion condition control device |
DE4332711A1 (en) * | 1993-09-25 | 1995-03-30 | Bosch Gmbh Robert | Device for fault detection in a device for knock detection |
DE19902209A1 (en) * | 1999-01-21 | 2000-07-27 | Bosch Gmbh Robert | Combustion knock prevention device for operation of internal combustion, uses dynamic phase based correction |
DE19946346A1 (en) * | 1999-09-28 | 2001-03-29 | Bosch Gmbh Robert | Knock detection method |
US6202601B1 (en) * | 2000-02-11 | 2001-03-20 | Westport Research Inc. | Method and apparatus for dual fuel injection into an internal combustion engine |
US7387091B2 (en) | 2004-03-10 | 2008-06-17 | Tgi, Inc. | Process for use with dual-fuel systems |
CN101235783B (en) * | 2007-12-20 | 2010-10-13 | 华夏龙晖(北京)汽车电子科技有限公司 | Knock controlling device and method |
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2008
- 2008-09-30 DE DE102008042475.7A patent/DE102008042475B4/en active Active
-
2009
- 2009-08-12 WO PCT/EP2009/060434 patent/WO2010037588A1/en active Application Filing
- 2009-08-12 RU RU2011116932/06A patent/RU2528780C2/en not_active IP Right Cessation
- 2009-08-12 CN CN200980138731XA patent/CN102171428B/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102008042475B4 (en) | 2019-10-24 |
WO2010037588A1 (en) | 2010-04-08 |
CN102171428B (en) | 2013-10-23 |
DE102008042475A1 (en) | 2010-04-01 |
RU2528780C2 (en) | 2014-09-20 |
CN102171428A (en) | 2011-08-31 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20200813 |