[특허]Method and system for controlling engine using combustion pressure sensor

Method and system for controlling engine using combustion pressure sensor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-035/00 F02D-041/00 F02D-041/40 F02P-005/15 F02D-035/02 F02D-037/02 F02P-005/04
출원번호	US-0752644 (2015-06-26)
등록번호	US-9885300 (2018-02-06)
우선권정보	KR-10-2014-0142065 (2014-10-20)
발명자 / 주소	Han, Kyoungchan
출원인 / 주소	Hyundai Motor Company
대리인 / 주소	McDermott Will & Emery LLP
인용정보	피인용 횟수 : 0 인용 특허 : 22

초록 ▼

A method for controlling an engine which comprises a combustion pressure sensor includes receiving a combustion pressure signal from the combustion pressure sensor. An Indicated mean effective pressure (IMEP) deviation for each cylinder and an IMEP deviation for each driving cycle for the engine are calculated based on a combustion pressure according to the received combustion pressure signal. A main injection timing is set based on a difference between the calculated IMEP deviations for the each cylinder and a difference between the calculated IMEP deviations for the each driving cycle. The engine runs by injecting a fuel according to the set main injection timing.

대표청구항 ▼

1. A method for controlling an engine which includes a combustion pressure sensor, the method comprising steps of: receiving a combustion pressure signal from the combustion pressure sensor;calculating an indicated mean effective pressure (IMEP) deviation for each cylinder and an IMEP deviation for each driving cycle for the engine based on a combustion pressure according to the received combustion pressure signal;setting a main injection timing based on a difference between the IMEP deviations for the each cylinder and a difference between the IMEP deviations for the each driving cycle;comparing the difference between the IMEP deviations for the each cylinder and the difference between the IMEP deviations for the each driving cycle with an IMEP deviation reference;advancing a target ignition timing by a predetermined angle when the difference between the IMEP deviations for the each cylinder or the difference between the IMEP deviations for the each driving cycle is greater than the IMEP deviation reference; anddriving the engine by injecting a fuel according to the set main injection timing. 2. The method of claim 1, wherein the step of advancing the target ignition timing by the predetermined angle comprises advancing a 50% mass fraction burned (MFB50) target control value. 3. The method of claim 2, further comprising updating the main injection timing according to the MFB50 target control value. 4. The method of claim 1, wherein the IMEP deviations for the each cylinder and the IMEP deviations for the each driving cycle are calculated by the following equation, IMEP deviation=(standard deviation IMEP)/(average IMEP). 5. A non-transitory computer-readably recording medium comprising computer executable instructions execution of which causes an engine controller to perform the method of claim 1. 6. A system for controlling an engine which includes a combustion pressure sensor, the system comprising: a coolant sensor configured to detect a coolant temperature;an atmospheric pressure sensor configured to detect atmospheric pressure;an atmospheric temperature sensor configured to detect atmospheric temperature; andan engine controller configured to receive signals from the combustion pressure sensor, the coolant sensor, the atmospheric pressure sensor, and the atmospheric temperature sensor and to control the engine based on the received signals,wherein the engine controller is operated by a predetermined program for executing a method for controlling the engine, the method comprising steps of:receiving a combustion pressure signal from the combustion pressure sensor;calculating an indicated mean effective pressure (IMEP) deviation for each cylinder and an IMEP deviation for each driving cycle for the engine based on a combustion pressure according to the received combustion pressure signal;setting a main injection timing based on a difference between the IMEP deviations for the each cylinder and a difference between the IMEP deviations for the each driving cycle;comparing the difference between the IMEP deviations for the each cylinder and the difference between the IMEP deviations for the each driving cycle with an IMEP deviation reference;advancing a target ignition timing by a predetermined angle when the difference between the IMEP deviations for the each cylinder or the difference between the IMEP deviations for the each driving cycle is greater than the IMEP deviation reference; anddriving the engine by injecting a fuel according to the set main injection timing.

이 특허에 인용된 특허 (22)

Zhu,Guoming G.; Pursifull,Ross D., Adaptive ignition dwell based on ionization feedback.
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Zur Loye, Axel O; Brackney, Larry J; Zigan, James A, Apparatus and methods for determining start of combustion for an internal combustion engine.
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Tomisawa Naoki (Atsugi JPX) Hoshina Atsumi (Atsugi JPX), Combustion condition detecting system of internal combustion engine.
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Hori Toshio (Katsuta JPX) Atago Takeshi (Katsuta JPX) Kurihara Nobuo (Hitachiota JPX) Kimura Hiroshi (Katsuta JPX) Hoshi Kimio (Katsuta JPX), Control method and controller for engine.
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Williams David (Kingsbury GB2) Bryers David K. (Solihull GB2) Nutton David (Solihull GB2), Control system for an internal combustion engine.
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Nakamura Michihisa,JPX ; Maebashi Kousei,JPX ; Matsuo Noritaka,JPX, Engine control system and method.
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Nakamura Michihisa,JPX ; Matsuo Noritaka,JPX, Engine control system and method.
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Nakamura Michihisa,JPX ; Matsuo Noritaka,JPX, Engine control system and method.
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Matsumura Toshimi (Aichi JPX) Miyaki Masahiko (Oobu JPX) Tomishima Hitoshi (Oobu JPX) Masuda Akira (Aichi JPX), Engine control system and method for minimizing cylinder-to-cylinder speed variations.
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Klauber Robert D. (Fairfield IA) Vigmostad Erik B. (Fairfield IA), Engine misfire or roughness detection method and apparatus.
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Kotre, Stephen John; Boggs, David Lee; Burke, Stephen Richard, Engine ready signal using peak engine cylinder pressure detection.
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Kolmanovsky Ilya V. ; Van Nieuwstadt Michiel J., Method and apparatus for cylinder balancing.
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Damitz,Jens; Schueler,Matthias; Polach,Stefan; Kessler,Michael; Schaffrath,Andreas; Kositza,Nicole; Loeffler,Axel; Schuckert,Marko, Method and device for controlling an internal combustion engine.
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Manfred Mezger DE; Hubert Bischof DE, Method for controlling and regulating combustion in the combustion chamber of an internal combustion engine.
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Wagner, Horst; Kessler, Michael; Wunderlin, Simon; Damitz, Jens; Bossmeyer, Thomas, Method for operating an internal combustion engine.
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Nagano Masami (Katsuta JPX) Atago Takeshi (Katsuta JPX) Nemoto Mamoru (Katsuta JPX), Multi-cylinder engine control method and electronic control apparatus therefor.
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Citron Stephen J. (W. Lafayette IN), On-line engine torque and torque fluctuation measurement for engine control utilizing crankshaft speed fluctuations.
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Flynn Patrick F. ; Hunter Gary L. ; zur Loye Axel O. ; Akinyemi Omowoleoia C. ; Durrett Russ P. ; Moore Greg A. ; Mudd Jackie M. ; Muntean George G. ; Wagner Julie A. ; Wright John F., Premixed charge compression ignition engine with optimal combustion control.
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Flynn Patrick F. ; Hunter Gary L. ; zur Loye Axel O. ; Akinyemi Omowoleola C. ; Durrett Russ P. ; Moore Greg A. ; Muntean George G. ; Peters Lester L. ; Pierz Patrick M. ; Wagner Julie A. ; Wright Jo, Premixed charge compression ignition engine with optimal combustion control.
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zur Loye Axel O. ; Akinyemi Omowoleola C. ; Durrett Russ P. ; Flynn Patrick F. ; Hunter Gary L. ; Moore Greg A. ; Mudd Jackie M. ; Muntean George G. ; Wagner Julie A. ; Wright John F., Premixed charge compression ignition engine with optimal combustion control.
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Francis Connolly ; Kelvin Lee Dobbins ; Kenneth Carl Leisenring, System and method for cold start control of internal combustion engines.
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Liu, Ching-Po, System and method for optimizing engine performance.
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