WO2003031793A1 - Detecteur de pression atmospherique pour moteur a combustion interne - Google Patents
Detecteur de pression atmospherique pour moteur a combustion interne Download PDFInfo
- Publication number
- WO2003031793A1 WO2003031793A1 PCT/JP2002/010340 JP0210340W WO03031793A1 WO 2003031793 A1 WO2003031793 A1 WO 2003031793A1 JP 0210340 W JP0210340 W JP 0210340W WO 03031793 A1 WO03031793 A1 WO 03031793A1
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- WO
- WIPO (PCT)
- Prior art keywords
- intake
- pressure
- intake pressure
- atmospheric pressure
- internal combustion
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
- F02D2200/704—Estimation of atmospheric pressure
Definitions
- the present invention relates to an atmospheric pressure detection device for an internal combustion engine that detects the atmospheric pressure in the environment around the internal combustion engine. For example, the variation in the atmospheric pressure can be reflected in the fuel injection amount supplied to the internal combustion engine by knowing the change in the atmospheric pressure. . Background art
- an object of the present invention is to provide an atmospheric pressure detecting device for an internal combustion engine that can detect the atmospheric pressure in the surrounding environment of the internal combustion engine without using an atmospheric pressure sensor. I have.
- the intake pressure at a predetermined crank angle position by the crank angle detecting device after the internal combustion engine is started is detected by the intake pressure detecting device, and the atmospheric pressure calculation is performed.
- the plurality of intake pressures are smoothed according to the transition state and are obtained as the atmospheric pressure.
- the plurality of samplings at such a crank angle position the fluctuation of the intake pressure is appropriately averaged and the atmospheric pressure is obtained, so that the reliability is improved.
- the difference between the maximum value and the minimum value of the plurality of intake pressures obtained for each predetermined crank angle position is a predetermined value.
- the intake pressures are smoothed. According to a plurality of samplings at such a crank angle position, the atmospheric pressure is obtained when the intake pressure is stable, so that the reliability is improved.
- Atmospheric pressure calculating means in an atmospheric pressure detecting device for an internal combustion engine includes a method for calculating a plurality of intake pressures obtained for each predetermined crank angle position from an expansion stroke to an exhaust stroke of the internal combustion engine.
- the plurality of intake pressures are smoothed. According to the plurality of samplings at such a crank angle position, even if the internal combustion engine has a load change, the atmospheric pressure when the intake pressure is stable can be obtained, thereby improving the reliability.
- the atmospheric pressure calculating means in the atmospheric pressure detecting device for an internal combustion engine includes the step of: When the difference between the value and the minimum value is smaller than a predetermined value, the plurality of intake pressures are smoothed. According to the sampling at such a crank angle position, even when the load of the internal combustion engine fluctuates, a large value is obtained when the intake pressure is stable. The reliability is improved because pressure can be obtained.
- the intake pressure smoothing means sets the plurality of pressure fluctuations.
- the intake pressure is smoothed by the atmospheric pressure calculation means, and the intake pressure smoothed by the atmospheric pressure calculation means is obtained as the atmospheric pressure.
- the intake pressure can be obtained in a stable manner, and by using the smoothed intake pressure, an accurate large pressure can be obtained. Since the air pressure is obtained, reliability is improved.
- the intake pressure smoothing means in the atmospheric pressure detection device for an internal combustion engine includes: an average value based on the intake pressure detected by the intake pressure detection means; and an intake pressure detected by the intake pressure detection means. According to a plurality of samplings when the difference from the peak value is within a predetermined value, the intake pressure is obtained stably, and by using the smoothed intake pressure, an accurate atmospheric pressure can be obtained. As a result, reliability is improved.
- the intake pressure detected by the intake pressure detecting means is reduced during a predetermined period including at least the exhaust stroke detected by the exhaust stroke detecting means.
- the intake pressure smoothed by the atmospheric pressure smoothing means and smoothed by the atmospheric pressure calculating means is obtained as the atmospheric pressure. According to a plurality of samplings for a predetermined period including at least such an exhaust stroke, the intake pressure can be obtained stably, and by using the smoothed intake pressure, an accurate atmospheric pressure can be obtained. Therefore, reliability is improved.
- FIG. 1 is a schematic configuration diagram showing an internal combustion engine to which an atmospheric pressure detecting device for an internal combustion engine according to one embodiment of the present invention is applied and peripheral devices thereof.
- FIG. 2 is a flowchart showing a processing procedure of the atmospheric pressure calculation in the CPU in the ECU used in the atmospheric pressure detecting device for the internal combustion engine according to one embodiment of the present invention.
- FIG. 3 is a time chart showing a transition state of the intake pressure read at every N signal interruption corresponding to the processing of FIG.
- FIG. 4 is a flowchart showing a first modified example of the processing procedure of the atmospheric pressure calculation in the CPU in the ECU used in the atmospheric pressure detecting device of the internal combustion engine according to one embodiment of the present invention. It is.
- FIG. 5 is a flowchart showing a second modified example of the processing procedure of the atmospheric pressure calculation in the CPU in the ECU used in the atmospheric pressure detecting device of the internal combustion engine according to one embodiment of the present invention. .
- FIG. 6 is a flowchart showing a third modified example of the processing procedure of the atmospheric pressure calculation in the CPU in the ECU used in the atmospheric pressure detecting device for the internal combustion engine according to one embodiment of the present invention.
- FIG. 7 is a flowchart showing a fourth modification of the processing procedure of the atmospheric pressure calculation in the CPU in the ECU used in the atmospheric pressure detecting device for the internal combustion engine according to one embodiment of the present invention. .
- FIG. 1 is a schematic configuration diagram showing an internal combustion engine to which an atmospheric pressure detecting device for an internal combustion engine according to one embodiment of the present invention is applied and peripheral devices thereof.
- reference numeral 1 denotes a single-cylinder water-cooled internal combustion engine (engine).
- the air from the air cleaner 3 is introduced into the intake passage 2 of the internal combustion engine 1.
- a throttle valve 11 which is opened and closed in conjunction with operation of an accelerator pedal (not shown) is provided in the intake passage 2.
- the amount of intake air (intake air amount) into the intake passage 2 is adjusted.
- fuel is injected and supplied to the internal combustion engine 1 from an injector (fuel injection valve) 5 provided in the intake passage 2 near the intake port 4.
- an air-fuel mixture comprising a predetermined amount of fuel and a predetermined amount of intake air is sucked into the combustion chamber 7 through the intake pulp 6.
- An intake pressure sensor 21 for detecting an intake pressure P M C mm Hg] in the intake passage 2 is provided downstream of the throttle pulp 11 provided in the intake passage 2.
- the crankshaft 12 of the internal combustion engine 1 is provided with a crank angle sensor 22 for detecting a crank angle [° C A (Crank Angle)] accompanying the rotation.
- the engine rotation speed NE of the internal combustion engine 1 is calculated according to the crank angle detected by the crank angle sensor 22.
- an ignition plug 13 is provided toward the inside of the combustion chamber 7 of the internal combustion engine 1.
- the ignition plug 13 is synchronized with the crank angle detected by the crank angle sensor 22 based on an ignition command signal output from an ECU (Electronic Control Unit) 30 described later.
- a high voltage is applied from the ignition coil / inductor 14 to perform ignition combustion on the air-fuel mixture in the combustion chamber 7.
- the air-fuel mixture in the combustion chamber 7 is burned (expanded) to obtain a driving force, and the exhaust gas after the combustion is discharged from the exhaust manifold through the exhaust valve 8 to the exhaust passage 9. And is discharged outside.
- the ECU 30 includes a CPU 31 as a central processing unit for executing various known arithmetic processing, a ROM 32 storing a control program, and various data. It is configured as a logic operation circuit including a RAM 33 for storing data, a B / U (pack-up) RAM 34, an input / output circuit 35, and a pass line 36 for connecting them.
- the ECU 30 receives the intake pressure PM from the intake pressure sensor 21, the crank angle from the crank angle sensor 22, and the like. Based on the output signals from the ECU 30 based on these various sensor information, the injector 5 related to the fuel injection timing and fuel injection amount, the spark plug 13 related to the ignition timing, the ignition coil / igniter 14 etc. It is controlled as appropriate.
- This N signal is defined as “0 (zero)” as the reference crank angle position detected by the crank angle sensor 22 of the crank shaft 12 of the internal combustion engine 1, and 4 cycles (intake stroke—compression).
- step S101 it is determined whether there is an N signal interrupt.
- step S103 it is determined whether the sampling number of the intake pressure PMi is equal to or larger than a predetermined number A. Is done.
- step SI 03 determines whether the sampling number of the intake pressure PMi is equal to or more than the predetermined number A. If the determination condition of step SI 03 is satisfied, that is, when the sampling number of the intake pressure PMi is equal to or more than the predetermined number A, the process proceeds to step S 104, and among the plurality of read intake pressures PMi, The maximum value is taken as the intake pressure maximum value P MM AX. Next, the process proceeds to step SI05, and the minimum value of the plurality of read intake pressures PMi is set as the minimum intake pressure PMMIN.
- step S106 it is determined whether the difference obtained by subtracting the minimum intake pressure PMMIN in step S105 from the maximum intake pressure PMMAX in step S104 is within a predetermined value. Is determined. If the judgment condition of step S106 is satisfied, that is, if the difference ⁇ PM (see FIG. 3) between the intake pressure maximum value PMMAX and the intake pressure minimum value PMMIN is within the predetermined value ⁇ , step S107 is performed. Then, the total value of the intake pressures PMi read in step S102 is divided by a predetermined number A to obtain an intake pressure average value PMAV. Next, the process proceeds to step S108, in which the intake pressure average value PMAV obtained in step S107 is set to the atmospheric pressure PA, and the current routine is terminated.
- step S101 determines whether the N signal is not interrupted, or the determination condition of step S103 is not satisfied, that is, the sampling number of the intake pressure PMi is If the number is less than the predetermined number A, an accurate atmospheric pressure PA cannot be calculated, or the determination condition of step S106 is not satisfied. That is, the intake pressure maximum value P MMA X and the intake pressure minimum value P MM If the difference ⁇ PM from IN exceeds the predetermined value ⁇ , the intake pressure fluctuation in the internal combustion engine 1 is large, and it is considered unsuitable for calculating the atmospheric pressure ⁇ ⁇ . finish.
- the atmospheric pressure detecting device for an internal combustion engine includes an intake pressure, which is a pressure of intake air introduced downstream of the throttle valve 11 disposed in the intake passage 2 of the internal combustion engine 1.
- PMi CmmH g An intake pressure sensor 21 as intake pressure detection means, a crank angle sensor 22 as crank angle detection means for detecting a crank angle position of the internal combustion engine 1 every 30 [° CA], and a crank angle sensor 2
- the ECU calculates the atmospheric pressure PA by smoothing the intake pressure PMi detected by the intake pressure sensor 21 with respect to the crank position for each 30 ° (° CA) detected in 2 according to the transition state.
- 30 means for calculating atmospheric pressure achieved by the CPU 31 in 30.
- the atmospheric pressure calculating means achieved by the CPU 31 in the ECU 30 of the atmospheric pressure detecting device of the internal combustion engine of the present embodiment is a predetermined crank angle position detected by the crank angle sensor 22.
- the difference ⁇ PM between the maximum value P MM AX and the minimum value P MM IN of the plurality of intake pressures P Mi CmmH g detected by the intake pressure sensor 21 every 30 °° CA is within the predetermined value ⁇ . At one time, it smoothes the intake pressure PMi.
- the intake pressure PMi at the crank angle position at every 30 ° (° CA) after the start of the internal combustion engine 1 is detected, and the intake pressure PMi is smoothed according to the transition state and obtained as the atmospheric pressure PA. .
- the difference ⁇ PM between the maximum value PMMAX and the minimum value PMMIN of the plurality of intake pressures PMi is smaller than a predetermined value ⁇ ;
- the plurality of intake pressures PMi are smoothed. According to the plurality of samplings at such a crank angle position, the atmospheric pressure PA when the intake pressure PMi is stable can be obtained, so that its reliability can be improved.
- step S206 the determination condition of step S206 is satisfied, that is, the difference ⁇ PM between the maximum intake pressure PMMAX obtained in step S204 and the minimum intake pressure PMMIN obtained in step S205 is ⁇ PM. If the value is within the predetermined value, the flow shifts to step S207, and from the intake pressure P Mi read in step S202, it is determined that the intake pressure P Mi ranges from 360 [° CA] to 720 [° CA]. The total value for each [° CA] is divided by the number B to obtain the average intake pressure PMAV. Next, the flow shifts to step S208, and the intake pressure average value PMAV obtained in step S207 is set to the atmospheric pressure PA, and this routine ends.
- step S201 when the judgment condition of step S201 is not satisfied, that is, when the N signal is not interrupted, or when the judgment condition of step S203 is not satisfied, immediately, the sampling number of the intake pressure PMi If the pressure is less than the predetermined number A, the accurate atmospheric pressure PA cannot be calculated, or the determination condition in step S206 is not satisfied. That is, the maximum intake pressure P MMAX and the minimum intake pressure PMM If the difference ⁇ IN from IN exceeds a predetermined value, the intake pressure fluctuation in the internal combustion engine 1 is large, and it is determined that the intake pressure is not suitable for calculating the atmospheric pressure PA, and the routine ends without any operation. I do.
- the atmospheric pressure calculating means achieved by the CPU 31 in the ECU 30 of the atmospheric pressure detecting device for the internal combustion engine according to the present modified example is based on the internal pressure of the internal combustion engine 1 detected by the crank angle sensor 22.
- a predetermined crank angle position from the expansion stroke to the exhaust stroke a plurality of values detected by the intake pressure sensor 21 every 30 °° C from the force of 360 °° CA to 720 °° CA
- the difference ⁇ PM between the maximum value P MM AX and the minimum value P MM IN of the intake pressure PMi [mmHg] is within a predetermined value, the intake pressure PMi is smoothed.
- steps S301 to S306 correspond to steps S101 to S106 in the above-described embodiment, detailed description thereof will be omitted.
- the determination condition of step S306 is satisfied, that is, the difference ⁇ ⁇ between the maximum intake pressure P MM AX obtained in step S304 and the minimum intake pressure PMMIN obtained in step S305 is ⁇ . If it is within the predetermined value, the flow shifts to step S307, and among the intake pressures P Mi read in step S302, the predetermined crank angles X [° CA], Y [° CA], Z [° CA] is divided by their number C to obtain the average intake pressure value P MAV.
- step S308 where the suction pressure average value PMAV obtained in step S307 is set to the atmospheric pressure PA, and this routine ends.
- the determination condition of step S301 that is, when the N signal is not interrupted, or the determination condition of step S303 is not satisfied, that is, the sampling number of the intake pressure PMi is If the number is less than the specified number A
- the atmospheric pressure PA cannot be calculated accurately, or the determination condition of step S306 is not satisfied, that is, the difference ⁇ ⁇ between the intake pressure maximum value P MMAX and the intake pressure minimum value PMM IN is a predetermined value. If it is larger than ⁇ , the intake pressure fluctuation in the internal combustion engine 1 is large.
- the atmospheric pressure calculating means achieved by the CPU 31 in the ECU 30 of the atmospheric pressure detecting device for the internal combustion engine of the present modified example is based on the intake air of the internal combustion engine 1 detected by the crank angle sensor 22.
- the intake pressure PMi is smoothed.
- step S406 the total value of the intake pressures P Mi read in step S402 is divided by a predetermined number A to obtain an intake pressure average value PMAV.
- step S407 determines whether the difference obtained by subtracting the intake pressure average value PMAV from step S406 from the intake pressure maximum value PMMAX from step S404 is within a predetermined value j3. Is determined.
- step S407 determines whether the difference obtained by subtracting the minimum intake pressure P MM IN at step S405 from the average intake pressure PMAV at step S406 is within a predetermined value ⁇ .
- step S408 When the determination condition of step S408 is satisfied, that is, when the difference between the intake pressure average value PMAV and the minimum intake pressure ⁇ MMIN is within a predetermined value T /, the process proceeds to step S409, and the process proceeds to step S409.
- the intake pressure average value PMAV obtained in S406 is set as the atmospheric pressure PA, and this routine ends.
- step S401 determines whether the N signal is not interrupted, or the determination condition of step S403 is not satisfied, that is, immediately, the sampling number of the intake pressure P Mi Is smaller than the predetermined number A, the accurate atmospheric pressure PA cannot be calculated, or the determination condition of step S407 is not satisfied. That is, the maximum intake pressure PMMAX and the average intake pressure P MA V When the difference from the predetermined value is larger than the predetermined value; 3, since the intake pressure fluctuation in the internal combustion engine 1 is large, it is determined that the calculation is not suitable for calculating the atmospheric pressure PA, or the determination condition in step S408 is not satisfied.
- Intake pressure sensor as intake pressure detection means that detects intake pressure PMi (mmHg), which is the pressure of intake air introduced downstream of intake valve 1 disposed in intake passage 2 of 1
- PMi mmHg
- the intake pressure achieved by the CPU 31 in the ECU 30 smoothes the intake pressure P Mi.
- Atmospheric pressure smoothing means, and atmospheric pressure calculating means achieved by CPU 31 in ECU 30 which calculates intake pressure average value PMAV smoothed by said intake pressure smoothing means as atmospheric pressure PA. Is provided.
- the intake pressure PMi can be obtained stably, and By using the intake pressure average value PMAV with smoothed PMi, an accurate atmospheric pressure PA can be obtained, so that its reliability can be improved.
- the intake pressure smoothing means achieved by the CPU 31 in the ECU 30 of the atmospheric pressure detection device for the internal combustion engine of this modification is based on the average value of the intake pressure PMi detected by the intake pressure sensor 21.
- the difference between a certain intake pressure average value PMAV and the intake pressure maximum value P MMAX, which is the peak value of the intake pressure P Mi detected by the intake pressure sensor 21, and the minimum intake pressure P MM IN are predetermined values; , ⁇ , smoothes the intake pressure PMi.
- the difference between the average value PMAV of the intake pressure based on the intake pressure PMi detected by the intake pressure sensor 21 and the maximum value P MMAX of the intake pressure and the minimum value PM MIN of the intake pressure is within the predetermined values] 3 and ⁇ , respectively.
- the intake air pressure PMi is small, the sampled intake pressure PMi is stable, and the average intake air pressure PMAV is used to obtain an accurate atmospheric pressure. Since the pressure PA is obtained, the reliability can be improved.
- step S501 it is determined whether or not the exhaust stroke has started.
- the determination condition of step S501 that is, when it is the start timing of the exhaust stroke of the internal combustion engine 1
- the flow shifts to step S503, and it is determined whether or not the exhaust stroke has ended.
- the determination condition of step S503 that is, when it is the end timing of the exhaust stroke of the internal combustion engine 1
- the process proceeds to step S504, and the maximum value of the plurality of read intake pressures PMi is determined.
- the maximum intake pressure is PMMAX.
- step S505 the minimum value of the plurality of read intake pressures PMi is set as the minimum intake pressure PMMIN.
- step S506 the total value of the intake pressure PMi read in step S502 is divided by the predetermined number D to obtain an average intake pressure PMAV.
- step S507 it is determined whether the difference obtained by subtracting the intake pressure average value PMAV from step S506 from the intake pressure maximum value PMMAX from step S504 is within a predetermined value ⁇ . Is determined.
- step S507 determines whether the difference obtained by subtracting the minimum intake pressure P MM IN from step S505 from the average intake pressure ⁇ ⁇ AV from S506 is within a predetermined value ⁇ .
- Step S 5 0 8 Is satisfied, that is, when the difference between the intake pressure average value PMAV and the intake pressure minimum value P MM IN is within the predetermined value ⁇ , the process shifts to step S509 and obtained in step S506.
- the intake pressure average value PMAV is set to the atmospheric pressure ⁇ ⁇ , and this routine ends.
- step S501 determines whether the exhaust stroke is not reached, or when the determination condition of step S503 is not satisfied, that is, when the exhaust process is completed.
- the atmospheric pressure ⁇ ⁇ cannot be calculated, or the determination condition in step S507 is not satisfied.
- the difference between the maximum intake pressure P MM AX and the average intake pressure PMAV exceeds the predetermined value ⁇
- the intake pressure fluctuation in the internal combustion engine 1 is large, so it is not suitable for the calculation of the atmospheric pressure ⁇ ⁇ ⁇ ⁇ , or the judgment condition of step S508 is not satisfied.
- the difference from the minimum pressure value P MM IN exceeds a predetermined value ⁇ , the intake pressure fluctuation in the internal combustion engine 1 is large, and it is not suitable for calculating the atmospheric pressure ⁇ ⁇ . End the routine.
- the atmospheric pressure detecting device for the internal combustion engine employs the intake pressure, which is the pressure of the intake air introduced downstream of the throttle valve 11 disposed in the intake passage 2 of the internal combustion engine 1.
- PMi [mmHg] is detected by intake pressure sensor 21 as intake pressure detection means, and exhaust stroke detection achieved by CPU 31 in ECU 30 is used to detect exhaust stroke of internal combustion engine 1.
- the CPU 31 in the ECU 30 that calculates the intake pressure smoothing means achieved in step 1 and the intake pressure average value PMAV smoothed by the intake pressure smoothing means as the atmospheric pressure PA.
- Atmospheric pressure calculating means In other words, even if the load of the internal combustion engine 1 fluctuates, the exhaust It is known that the fluctuation of the intake pressure PMi is relatively small during a predetermined period until the end of the air stroke. According to the sampling in a predetermined period including at least such an exhaust stroke, the intake pressure PMi is obtained stably, and the average intake pressure PMAV in which the intake pressure PMi is smoothed is used. As a result, an accurate atmospheric pressure PA can be obtained, so that its reliability can be improved.
- the exhaust stroke detection means achieved by the CPU 31 in the ECU 30 specifically, for example, the engine speed NE of the internal combustion engine 1 is used as a parameter, and the minimum intake pressure in the intake pressure fluctuation By knowing that the exhaust stroke is started a predetermined time after the occurrence, it is possible to specify a predetermined period including the exhaust stroke. Further, the exhaust stroke detection means achieved by the CPU 31 in the ECU 30 includes, for example, a cam angle (° CA) of a cam shaft (not shown) accompanying rotation of the crank shaft 12 of the internal combustion engine 1.
- the exhaust stroke may be started a predetermined time after the generation of the predetermined cam angle signal using the engine speed NE of the internal combustion engine 1 as a parameter. Knowing this, it is also possible to specify a predetermined period including the exhaust stroke.
- the suction pressure PMi is sampled by the intake pressure sensor 21 by the N signal interruption every 30 [° CA] by the crank angle sensor 22.
- the present invention is not limited to this, and the suction pressure PMi may be sampled for each of the other crank angle positions. Also, a plurality of intake pressures PMi that are finally smoothed may be sampled at different crank angle positions.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Measuring Fluid Pressure (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02779903A EP1433944B1 (en) | 2001-10-04 | 2002-10-03 | Atmospheric pressure detector of internal combustion engine |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-308628 | 2001-10-04 | ||
JP2001308628 | 2001-10-04 | ||
JP2002-270007 | 2002-09-17 | ||
JP2002270007A JP2003176749A (ja) | 2001-10-04 | 2002-09-17 | 内燃機関の大気圧検出装置 |
Publications (1)
Publication Number | Publication Date |
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WO2003031793A1 true WO2003031793A1 (fr) | 2003-04-17 |
Family
ID=26623700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2002/010340 WO2003031793A1 (fr) | 2001-10-04 | 2002-10-03 | Detecteur de pression atmospherique pour moteur a combustion interne |
Country Status (4)
Country | Link |
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EP (1) | EP1433944B1 (ja) |
JP (1) | JP2003176749A (ja) |
CN (1) | CN100510363C (ja) |
WO (1) | WO2003031793A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4548269B2 (ja) * | 2005-08-10 | 2010-09-22 | 国産電機株式会社 | 内燃機関制御用大気圧検出方法及び装置 |
JP2008019742A (ja) * | 2006-07-11 | 2008-01-31 | Yamaha Motor Co Ltd | 大気圧推定装置、車両および大気圧推定プログラム |
EP2011983B1 (en) * | 2007-07-05 | 2011-05-18 | Magneti Marelli S.p.A. | Method for the acquisition and processing of an intake pressure signal in an internal combustion engine without an intake manifold |
JP2013189964A (ja) * | 2012-03-15 | 2013-09-26 | Hitachi Automotive Systems Ltd | エンジンの制御装置 |
JP5821737B2 (ja) * | 2012-03-26 | 2015-11-24 | スズキ株式会社 | エンジン始動制御システム |
WO2020059233A1 (ja) * | 2018-09-21 | 2020-03-26 | 本田技研工業株式会社 | エンジン再始動装置 |
FR3089257B1 (fr) | 2018-12-04 | 2022-01-07 | Continental Automotive France | Procédé de commande d’un moteur à combustion interne à apprentissage de la pression atmosphérique |
JP2020186676A (ja) * | 2019-05-14 | 2020-11-19 | 愛三工業株式会社 | 制御装置 |
FR3128490A1 (fr) * | 2021-10-27 | 2023-04-28 | Vitesco Technologies | Procédé d’estimation de la pression atmosphérique pour un moteur à combustion interne |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61185646A (ja) | 1985-02-12 | 1986-08-19 | Nippon Denso Co Ltd | 内燃機関の制御装置 |
JPH01280662A (ja) * | 1988-05-06 | 1989-11-10 | Mitsubishi Electric Corp | エンジン制御用大気圧検出装置 |
JPH051615A (ja) | 1991-06-24 | 1993-01-08 | Mitsubishi Electric Corp | 内燃機関制御装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59188530A (ja) * | 1983-04-08 | 1984-10-25 | Isuzu Motors Ltd | 内燃エンジン用大気圧測定装置 |
JP3449813B2 (ja) * | 1995-01-06 | 2003-09-22 | 株式会社日立ユニシアオートモティブ | 内燃機関における大気圧推定装置 |
-
2002
- 2002-09-17 JP JP2002270007A patent/JP2003176749A/ja active Pending
- 2002-10-03 WO PCT/JP2002/010340 patent/WO2003031793A1/ja active Application Filing
- 2002-10-03 CN CNB028031245A patent/CN100510363C/zh not_active Expired - Lifetime
- 2002-10-03 EP EP02779903A patent/EP1433944B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61185646A (ja) | 1985-02-12 | 1986-08-19 | Nippon Denso Co Ltd | 内燃機関の制御装置 |
JPH01280662A (ja) * | 1988-05-06 | 1989-11-10 | Mitsubishi Electric Corp | エンジン制御用大気圧検出装置 |
JPH051615A (ja) | 1991-06-24 | 1993-01-08 | Mitsubishi Electric Corp | 内燃機関制御装置 |
Non-Patent Citations (1)
Title |
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See also references of EP1433944A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN1476515A (zh) | 2004-02-18 |
EP1433944A1 (en) | 2004-06-30 |
CN100510363C (zh) | 2009-07-08 |
JP2003176749A (ja) | 2003-06-27 |
EP1433944A4 (en) | 2008-10-29 |
EP1433944B1 (en) | 2012-08-08 |
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