WO2008017528A1 - Verfahren und vorrichtung zum betreiben einer brennkraftmaschine - Google Patents
Verfahren und vorrichtung zum betreiben einer brennkraftmaschine Download PDFInfo
- Publication number
- WO2008017528A1 WO2008017528A1 PCT/EP2007/055315 EP2007055315W WO2008017528A1 WO 2008017528 A1 WO2008017528 A1 WO 2008017528A1 EP 2007055315 W EP2007055315 W EP 2007055315W WO 2008017528 A1 WO2008017528 A1 WO 2008017528A1
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- WO
- WIPO (PCT)
- Prior art keywords
- value
- zslr
- cylinder
- lambda
- detected
- Prior art date
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Classifications
-
- 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
- F02D41/008—Controlling each cylinder individually
- F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
-
- 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
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
- F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1426—Controller structures or design taking into account control stability
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/14—Timing of measurement, e.g. synchronisation of measurements to the engine cycle
-
- 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
Definitions
- the invention relates to a method and a device for operating an internal combustion engine having a plurality of cylinders and injectors associated with the cylinders, which meter fuel, and an exhaust tract in which an exhaust gas probe is arranged whose measurement signal is characteristic of the air / fuel ratio in the respective cylinder.
- zy ⁇ relieving specific lambda controller a control variable for influencing the air / fuel ratio in the respective cylinder is generated depending on the generated measurement signal for the respective cylinder.
- the predefined crankshaft angle is adjusted as a function of an instability criterion of the controller.
- the object of the invention is to provide a method and a forward direction for operating an internal combustion engine which allows an easy and precise operation of the internal combustion ⁇ machine.
- the object is solved by the features of the independent claims.
- Advantageous embodiments of the invention are characterized in the subclaims.
- the invention is characterized by a method and a corresponding device for operating an internal combustion engine having a plurality of cylinders and injectors associated with the cylinders, which meter fuel, and an exhaust tract, in which an exhaust gas probe is arranged, whose measured signal is characteristic of the air / Fuel ratio in the respective cylinder. Relative to a predetermined crank angle to a reference position of the piston of each cylinder ⁇ whatsoever the measurement signal is detected and associated with the cylinder jewei ⁇ time as recorded cylinder-specific air / fuel ratio.
- a regulator value for influencing the air / fuel ratio is determined in the jewei ⁇ time cylinder depending on the detected for the respective cylinder individual cylinder air / fuel ratio and the respectively assigned to the respective cylinder injection valve is dependent on the respective controller value.
- the regulator is monitored for the attainment of a ers ⁇ th predetermined threshold and upon reaching the first threshold, a lambda quality value is determined which is representative of the deviation of the respective cylinders associated with the detected individual cylinder air / fuel ratios.
- the controller value is further monitored for reaching a second predetermined threshold value which is characteristic of a more pronounced control intervention than the predetermined first threshold value. When the second threshold value is reached by the controller value, the lambda value is also determined.
- the actuator is a piezoelectric actuator of an injection valve. In this way, especially in contrast to a lack of distinction between an adaptation and a regulator, ie in a combined analysis of adaptation and regulator value, a much more timely identification of the unstable control behavior be made possible.
- a possible adaptation value can assume a value range suitably matched to the variations of the actuator characteristic without a significant disadvantageous influence on the timely recognition of the unstable control behavior .
- the second threshold value as a control limit of the regulator value thus corresponds ie its extreme value.
- the threshold value associated with the first lambda quality value is less than the threshold value associated with the second lambda quality value it has been detected several times. This avoids very reliable erroneous Anneh assumption of unstable control behavior.
- the predetermined cure when unstable control behavior is detected, the predetermined cure ⁇ belwellenwinkel adapted.
- the knowledge is used that unstable control behavior is an indication of a faulty assignment of the measurement signal of the exhaust gas probe to the air / fuel ratio of the respective cylinder.
- a respective adaptation value which is assigned to a respective cylinder, is adapted as a function of the corresponding cylinder to the associated controller value and the respective adaptation value is reset to its value, which it has assumed in one of the predefined past time intervals. when the unstable control behavior is detected. The adaptation value then adjusted again until stable control gel performance is recognized.
- a faulty adaptation can be as effective in a timely manner ver ⁇ avoided.
- the lambda quality value is determined based on the sum of the amount-Ab ⁇ deviations of the respective cylinders associated with the detected individual cylinder air / fuel ratios to the average of all the respective cylinders associated with the detected individual cylinder air / fuel ratios. This is very easy.
- the respective controller value is reset to a predetermined basic value when the respective cylinder-specific lambda controller is deactivated.
- the necessary controller value can be achieved quickly, in particular in different operating states.
- deactivation takes place outside of a quasi-stationary operating state of the internal combustion engine.
- Figure 2 is a block diagram of the control device
- Figure 3 is a first flowchart of a program for
- Figure 4 is a second flowchart of another program for operating the internal combustion engine
- FIG. 5 shows a third flowchart of yet another program for operating the internal combustion engine.
- An internal combustion engine (1) comprises an intake section 1, an engine block 2, a cylinder head 3 and an exhaust manifold 4.
- the intake 1 preferably comprises a throttle ⁇ flap 11, also a manifold 12 and intake manifold 13, a to a cylinder Zl via Inlet duct is guided in the engine block 2.
- the engine block 2 further includes a
- the cylinder head 3 comprises a valve drive with a gas inlet valve 30, a gas outlet valve 31 and Ventilantrie ⁇ ben 32, 33.
- the cylinder head 3 further includes an injection valve 34 and a spark plug 35.
- the injection valve 34 is disposed in the intake manifold 1 be.
- the exhaust tract 4 comprises an exhaust gas catalyst 40, which is preferably designed as a three-way catalyst.
- a control device 6 is provided, which is assigned to sensors which detect different measured variables and determine the measured values of the measured variable. Operating variables also include variables derived from these in addition to the measured variables.
- the control device 6 controls depending on at least one of the operating variables, the actuators, which are assigned to the internal combustion engine, and each of which corresponding Stellantrie ⁇ be assigned, by generating control signals for the actuators.
- the control device 6 may also be referred to as a device for operating the internal combustion engine.
- the sensors are a pedal position sensor 71 which detects the position of an accelerator pedal 7, an air mass meter 14 which detects an air mass flow upstream of the throttle valve 11, a temperature sensor 15 which detects an intake air temperature, a pressure sensor 16 which detects the intake manifold pressure, a crankshaft angle sensor 22, which detects a crankshaft angle to which a rotational speed N is then zugeord ⁇ net, another temperature sensor 23 which detects a coolant temperature, a camshaft angle sensor 36a, which detects a camshaft angle and an exhaust gas probe 41, which detects a residual oxygen content of the exhaust gas and the Measurement signal is characteristic of the air / fuel ratio in the cylinder Zl in the combustion of the air / fuel mixture.
- the exhaust gas probe 41 is preferably designed as a linear lambda probe and thus generates over a wide relevant range of the air / fuel ratio, a proportional to this measurement signal.
- any subset of ge the cited sensors can be present or additional sensors may also be present.
- the actuators are, for example, the throttle valve 11, the gas inlet and gas outlet valves 30, 31, the injection valve ⁇ 34 or the spark plug 35th
- cylinder Zl also more cylinders Z2 to Z4 are provided, which are then associated with corresponding actuators.
- each exhaust bank to cylinders which can also be referred to as a cylinder bank, each associated with an exhaust line of the exhaust tract 4 and the respective exhaust line each an exhaust probe 41 zugeord ⁇ net accordingly.
- a block diagram of parts of the control device 6 is shown with reference to FIG.
- a block Bl corresponds to the internal combustion engine.
- a block B2 is a detected by the exhaust gas probe 41 air / fuel ratio LAM_RAW to gelei ⁇ tet.
- an assignment of the air / fuel ratio currently detected in each case in this case takes place in the block B2, which results from the measurement signal of the exhaust gas probe 41 is derived, is assigned to the respective air / fuel ratio of the respective cylinder and so as detected cylinder-specific air / fuel ratio LAM_I.
- a reference numeral arranged in square brackets for the respective cylinder Z1 to Z4 indicates in each case the assignment of the respective variable, that is to say, for example, of the detected cylinder-individual
- the block diagram is explained in detail below with regard to the procedure with respect to the cylinder Z1. However, a corresponding procedure is also provided with respect to the other cylinders Z2 to Z4.
- the reference position of the respective piston 24 is preferably its top dead center.
- the predetermined crank angle CRK_SAMP is applied firmly, for example, for a first initiation of the internal combustion engine and is adapted in the following on hand of the ⁇ more detail below and programs as necessary.
- an average air / fuel ratio LAM_MW by averaging in the detected individual cylinder air / fuel ratios LAM_I [Z1-Z4] is it averages ⁇ .
- the deviation D_LAM_I [Z1] forms, as a control difference, an input variable of the block B6 which comprises a cylinder-specific lambda controller and in which a controller value ZSLR is used to influence the value
- Air / fuel ratio is determined in the respective cylinder Zl to Z4 depending on the deviation D_LAM_I [Z1].
- the individual-cylinder lambda controller comprises before Trains t ⁇ an integral component.
- the deviation D_LAM_I [Z1] applied to its input is preferably integrated while the cylinder-specific lambda controller is activated.
- the individual-cylinder lambda controller is only acti Trains t ⁇ fourth, if present predetermined operating conditions.
- Such operating conditions are determined by operating variables of the internal combustion engine and can then, for example, are ⁇ when a quasi-stationary operating state of the internal combustion engine is present.
- the cylinder- specific lambda controller is preferably deactivated, and in this case the controller value is then preferably reset to a predefined basic value, in particular to a neutral value.
- a block B7 comprises an adaptation unit, which is provided for adapting a respective adaptation value ZSLAD assigned to the respective cylinder Z1 to Z4. This takes place preferably at predetermined time intervals. In this context, different time intervals can be different vorge ⁇ ben. For example, it is preferable to adapt the adaptation value ZSLAD approximately every 2 to 3 seconds. In the context of adapting the adaptation value, a specifiable fraction of the current controller value ZSLR becomes the adaptation value
- an acceptance factor s is preferably suitably specified.
- the controller value ZSLR adjusted accordingly complementary.
- the adaptation value ZSLAD and also the controller value ZSLR are then made available to a block B8.
- the adaptation of the adaptation value ZSLAD can depend on a time condition or else additionally or alternatively depend on predetermined values or value curves of operating variables of the internal combustion engine and, for example, only in the presence of a quasi-stationary operating state.
- a cylinder-specific lambda control factor LAM_FAC_I is then determined as a function of the controller value ZSLR and the adaptation value ZSLAD.
- both the regulator and the adaptation value ZSLAD as neutral value has the value zero and is each limited in magnitude to pre-given maximum values, which in the case of adaptation ⁇ value for example 0.25, and in case the regulator value ZSLR for example at 0, 1 can lie.
- Corresponding Be ⁇ grenzungsfunktionen are respectively in the blocks B6 and B7 are provided.
- a lambda controller is provided, whose
- Reference variable for all cylinders Zl to Z4 of the internal combustion ⁇ machine predetermined air / fuel ratio and the ⁇ sen control variable is the average air / fuel ratio LAM_MW.
- the manipulated variable of the lambda controller is a Lambda control factor LAM_FAC_ALL.
- the lambda controller thus has the task that considered over all cylinders Zl to Z4 of the internal combustion ⁇ engine, the predetermined air / fuel ratio is ⁇ set. In the case of the presence of several of cylinder banks, a corresponding lambda controller can also each be associated with one cylinder bank.
- a fuel mass MFF to be metered is metered into the respective cycle as a function of an air mass flow MAF.
- a corrected zuzumes ⁇ send fuel mass MFF_COR is determined by multiplying the zuzu ⁇ measured fuel mass MFF, the lambda control factor LAM_FAC_ALL and the respective detected cylinder-specific lambda control factor LAM_FAC_I.
- a control signal is then generated from the corrected fuel mass MFF_COR, with which the respective Einspritzven ⁇ til 34 is controlled, in particular, comprises a piezo actuator as the actuator.
- Structure corresponding structures B_Z2-B_Z4 are provided for each further cylinder Z2 to Z4 for the respective further cylinder Z2 to Z4, which then include corresponding Blö ⁇ bridge B2 - B8.
- a program for operating the internal combustion engine is started in a step S ( Figure 3) in which are initialized, where appropriate, Va ⁇ ables.
- a step S2 it is checked whether the respective ge ⁇ regulator ZSLR is greater than or equal to a predetermined second threshold value ZSLR_THD2. If this is the case, then in a step S4, a lambda quality value CQ [ZSLR_THD2] is determined and then preferably also assigned to the jeweili ⁇ gen cylinder Z1-Z4. Determining the lambda value CQ [ZSLR_THD2] preferably takes place in such a way that it is a measure for the deviation of the individual cylinder-specific air / fuel ratios LAM_I.
- the lambda quality value CQ is preferably determined accordingly in the step S4 at ⁇ given relation, where k represents a counter.
- the lambda value CQ thus preferably corresponds to the sum of the amounts of the deviations D_LAM_I, which are assigned to the individual cylinders Z1 to Z4. Subsequently, the processing is then continued in a step S6, which is explained in more detail below. If, on the other hand, the condition of step S2 is not met, a step S8 is preferably executed. In step S8, it is checked whether the respective controller value ZSLR is greater than or equal to a first threshold value ZSLR_THD1. If this is not the case, the processing in the step S2 is continued he ⁇ neut.
- step S ei ⁇ nem the lambda quality value CQ is determined and assigned to the ers ⁇ th threshold ZSLR_THD1. This is preferably done according to the procedure of step S4. Subsequently ⁇ td the processing is continued if necessary in the step S2.
- the processing of the steps S2, S4, S8 and SlO takes place quasi parallel relative to the respective cylinders Z1 to Z4.
- the second threshold value ZSLR_THD2 is predetermined so that it is characteristic of a more pronounced control intervention than is the case with the first threshold value ZSLR_THD1.
- the second threshold value ZSLR_THD2 example the magnitude maximally pronounced ⁇ th control intervention correspond in terms of its amount, which may be for example 0.1.
- the first threshold value ZSLR_THD1 then has a smaller amount and may for example have the value 0.07.
- step S6 it is checked whether, with respect to one of the cylinders Z1-Z4, the lambda level value CQ associated with the first threshold value ZSLR_THD1 is smaller than the one Lambda value CQ associated with the respective second threshold ZSLR_THD2. If this is the case, then this is an indication of a divergence of the control behavior and thus of an unstable control behavior INSTAB.
- a step S12 is then executed, in which an instability counter INSTAB_CTR is incremented.
- step S14 is preferably executed in which the Instabili ⁇ tuschsweakeneder INSTAB_CTR is decremented.
- step S16 is executed in which it is checked whether the instability counter INSTAB_CTR is greater than a predefined maximum counter value CTR_MAX.
- step S16 If the condition of step S16 is met, INSTAB is detected on an instable control behavior. On the other hand, if the condition of step S16 is not fulfilled, a stable control behavior STAB is recognized. The processing is then preferably again fortge ⁇ set in step S2.
- step S20 can be executed directly and, if the condition of step S6 is not met, step S18 can be executed directly.
- step S22 Another program for operating the internal combustion engine is started in a step S22 (FIG. 4).
- ⁇ follows both the processing of step S22 and the step Sl in time to a start of the internal combustion engine.
- step S22 variables may also become.
- step S24 it is checked whether unstable control behavior INSTAB was detected. If this is not the case, the processing is continued in a step S26, in which a further adaptation of the respective adaptation value ZLAD [Z1-Z4] is further permitted. Subsequently, the processing is continued again in the step S24.
- step S24 If the condition of step S24 is satisfied, the ⁇ preferably in a step S28, values of the respective adaptation ZLAD [Z1-Z4] that are associated with the respective cylinders Zl to Z4 reset to a value that they last in a predetermined Have taken time interval. This can be, for example, the value that they have assumed in the last drive cycle.
- a further adaptation of the adaptation values ZSLAD is then preferably prevented in the following until stable control behavior STAB has again been recognized.
- stable control behavior STAB has again been recognized.
- a faulty adap ⁇ tion can be avoided very promptly.
- the processing is continued again in step S24.
- step S30 Yet another program (FIG. 5) is started in a step S30, in which variables may also be initialized if necessary.
- step S32 it is checked whether unstable control behavior INSTAB has been detected. If this is not the case, an angle adaptation counter CRK_CTR is decremented in a step S34 and then the processing is continued again in the step S32.
- step S32 If, on the other hand, the condition of step S32 is fulfilled, the angle adaptation counter CRK_CTR is incremented in a step S36.
- a step S38 it is checked whether the angle adaptation counter CRK_CTR is greater than a predefined angle adaptation counter maximum value CRK_CTR_MAX, which may be three, for example. If this is the case, the predetermined crankshaft angle CRK_SAMP is adjusted in a step S40, in which, relative to the reference position of the piston 24 of the respective cylinder Z1 to Z4, the measurement signal of the exhaust gas probe 41 is detected and assigned to the respective cylinder Z1 to Z4 as detected cylinder-specific air / fuel ratio (LAM_I).
- LAM_I detected cylinder-specific air / fuel ratio
- a corresponding procedure is disclosed, for example, in DE 103 04 245 D3, the content of which is hereby included in this regard.
- step S38 if the condition of the step S38 is not satisfied, the processing in the step S32 is continued. Subsequent to step S40, the processing in step S32 is also continued.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/296,442 US7894972B2 (en) | 2006-08-11 | 2007-05-31 | Method and device for operating an internal combustion engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006037752A DE102006037752B3 (de) | 2006-08-11 | 2006-08-11 | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
DE102006037752.4 | 2006-08-11 |
Publications (1)
Publication Number | Publication Date |
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WO2008017528A1 true WO2008017528A1 (de) | 2008-02-14 |
Family
ID=37896698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2007/055315 WO2008017528A1 (de) | 2006-08-11 | 2007-05-31 | Verfahren und vorrichtung zum betreiben einer brennkraftmaschine |
Country Status (4)
Country | Link |
---|---|
US (1) | US7894972B2 (de) |
KR (1) | KR101020376B1 (de) |
DE (1) | DE102006037752B3 (de) |
WO (1) | WO2008017528A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007044614B3 (de) * | 2007-09-19 | 2009-04-09 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
DE102008005881B4 (de) * | 2008-01-24 | 2010-02-11 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
KR20090126619A (ko) * | 2008-06-04 | 2009-12-09 | 현대자동차주식회사 | 차량의 씨 디 에이 장치 진단시스템 및 그 방법 |
KR101135815B1 (ko) * | 2009-10-30 | 2012-04-16 | 콘티넨탈 오토모티브 시스템 주식회사 | 공연비 불균형에 따른 에러 진단 시스템 및 그 방법 |
JP5018902B2 (ja) * | 2010-01-18 | 2012-09-05 | トヨタ自動車株式会社 | 内燃機関装置および内燃機関の制御方法並びに車両 |
DE102011013392A1 (de) * | 2011-03-09 | 2012-09-13 | Daimler Ag | Verfahren zur Regelung eines Verbrennungsmotors |
JP5723201B2 (ja) * | 2011-04-18 | 2015-05-27 | 川崎重工業株式会社 | 燃料噴射制御装置 |
US20130098332A1 (en) * | 2011-10-21 | 2013-04-25 | Quincy Clyde Summers | Multi-cylinder multi-fuel engine |
AT513359B1 (de) * | 2012-08-17 | 2014-07-15 | Ge Jenbacher Gmbh & Co Og | Verfahren zum Betreiben einer Brennkraftmaschine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1132599A1 (de) * | 2000-02-01 | 2001-09-12 | MAGNETI MARELLI S.p.A. | Verfahren zur Steuerung des Luft-Kraftstoffverhältnisses in einer Innenbrennkraftmaschine |
DE10304245B3 (de) * | 2003-02-03 | 2004-07-15 | Siemens Ag | Verfahren zur Adaption einer Signalabtastung von Lambdasondensignalwerten bei einer Mehrzylinder-Brennkraftmaschine |
DE102004004291B3 (de) * | 2004-01-28 | 2005-01-27 | Siemens Ag | Verfahren zum Anpassen des Erfassens eines Messsignals einer Abgassonde |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10110500A1 (de) * | 2001-02-28 | 2002-10-02 | Volkswagen Ag | Verfahren zur Temperatursteuerung eines Katalysatorsystems |
JP3980424B2 (ja) * | 2002-07-03 | 2007-09-26 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
DE102005034690B3 (de) * | 2005-07-25 | 2007-01-04 | Siemens Ag | Verfahren und Vorrichtung zum Anpassen des Erfassens eines Messsignals einer Abgassonde |
DE102006011723B3 (de) * | 2006-03-14 | 2007-08-23 | Siemens Ag | Adaptionsverfahren für Streuungen in zylinderselektiven Einspritzmengen einer Direkteinspritzanlage und Verfahren zur zylinderselektiven Einspritzsteuerung |
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2006
- 2006-08-11 DE DE102006037752A patent/DE102006037752B3/de not_active Expired - Fee Related
-
2007
- 2007-05-31 WO PCT/EP2007/055315 patent/WO2008017528A1/de active Application Filing
- 2007-05-31 KR KR1020087025000A patent/KR101020376B1/ko active IP Right Grant
- 2007-05-31 US US12/296,442 patent/US7894972B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1132599A1 (de) * | 2000-02-01 | 2001-09-12 | MAGNETI MARELLI S.p.A. | Verfahren zur Steuerung des Luft-Kraftstoffverhältnisses in einer Innenbrennkraftmaschine |
DE10304245B3 (de) * | 2003-02-03 | 2004-07-15 | Siemens Ag | Verfahren zur Adaption einer Signalabtastung von Lambdasondensignalwerten bei einer Mehrzylinder-Brennkraftmaschine |
DE102004004291B3 (de) * | 2004-01-28 | 2005-01-27 | Siemens Ag | Verfahren zum Anpassen des Erfassens eines Messsignals einer Abgassonde |
Also Published As
Publication number | Publication date |
---|---|
DE102006037752B3 (de) | 2007-04-19 |
US20090272367A1 (en) | 2009-11-05 |
KR20080111060A (ko) | 2008-12-22 |
US7894972B2 (en) | 2011-02-22 |
KR101020376B1 (ko) | 2011-03-08 |
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