Using ion current signal for engine performance and emissions measuring techniques and method for doing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02D-035/02
G01M-015/10
F02D-041/14
출원번호
US-0380993
(2013-02-28)
등록번호
US-10054067
(2018-08-21)
국제출원번호
PCT/US2013/028231
(2013-02-28)
국제공개번호
WO2013/130744
(2013-09-06)
발명자
/ 주소
Badawy, Tamer H.
Estefanous, Fadi A.
Henein, Naeim A.
출원인 / 주소
Wayne State University
대리인 / 주소
Brinks Gilson & Lione
인용정보
피인용 횟수 :
0인용 특허 :
45
초록▼
A system and method is provided for the use of the ion current signal characteristics for onboard cycle-by-cycle, cylinder-by-cylinder measurement. The system may also control the engine operating parameters based on a predicted NOx emission level, CO emission level, CO2 emission level, O2 emission
A system and method is provided for the use of the ion current signal characteristics for onboard cycle-by-cycle, cylinder-by-cylinder measurement. The system may also control the engine operating parameters based on a predicted NOx emission level, CO emission level, CO2 emission level, O2 emission level, unburned hydrocarbon (HC) emission level, cylinder pressure, or a cylinder temperature measurement according to characteristics of the ion current signal.
대표청구항▼
1. A system for controlling an internal combustion engine, the system comprising an ion current sensor and a control unit in communication with the ion current sensor for receiving an ion current signal, the control unit being configured to predict for each cylinder during each cycle at least one of
1. A system for controlling an internal combustion engine, the system comprising an ion current sensor and a control unit in communication with the ion current sensor for receiving an ion current signal, the control unit being configured to predict for each cylinder during each cycle at least one of an NOx emission level, a CO emission level, a CO2 emission level, an O2 emission level, and an unburned hydrocarbon (HC) emission level based on a start of ion current and a ion current delay. 2. The system according to claim 1, wherein the control unit is configured control engine operating parameters based on the predicted at least one of a CO emission level, a CO2 emission level, an O2 emission level, and an unburned hydrocarbon (HC) emission level from the ion current signal. 3. The system of claim 1, wherein the control unit is configured to control engine operating parameters based on a function of one or multiple ion current signal parameters according to the predicted at least one of a CO emission level, a CO2 emission level, an O2 emission level, and an unburned hydrocarbon (HC) emission level. 4. The system of claim 1, wherein the control unit is configured to control engine operating parameters based on the sum of multiple functions of one or a combination of multiple ion current signal parameters. 5. The system of claim 1, wherein the control unit is configured to control engine operating parameters based on the sum of multiple functions of one or a combination of multiple ion current signal parameters, wherein each function is weighted prior to summing. 6. The system of claim 1, wherein the control unit is configured to control different engine parameters including at least one of fuel system parameters, air system parameters, ignition system parameters, turbo-charging and supercharging system parameters, valve train system parameters, EGR (exhaust gases recirculation) system parameters, and after-treatment system parameters based on a function of one or more or a combination of ion current signal parameters. 7. The system of claim 1, wherein the ion current sensor is integrated within spark plug, engine gasket, fuel injector, or any electrically insulated probe. 8. The system of claim 1, wherein the control unit determines a predicted HC measurement based on a function of one or more or a combination of ion current signal parameters and the control unit is configured to adjust the engine operating parameters if the predicted HC measurement is above a first threshold. 9. The system of claim 8, wherein the control unit is configured to generate an error code and or alert if the predicted HC measurement is above a second threshold. 10. The system according to claim 1, wherein the control unit is configured to control engine parameters according the predicted at least one at least one of a CO emission level, a CO2 emission level, an O2 emission level, an unburned hydrocarbon (HC) emission level based on ion current signal parameters, comprising at least one of a slope of the ion current signal and area under the curve of the ion current signal. 11. A method for controlling an internal combustion engine, the method comprising acquiring an ion current signal and controlling engine operating parameters based on a function of one or more or a combination of ion current signal parameters according to an at least one of an NOx emission level, a CO emission level, a CO2 emission level, an O2 emission level, an unburned hydrocarbon (HC) emission level based on a start of ion current and a ion current delay. 12. The method of claim 11, wherein the engine operating parameters are controlled based a function of one or more or a combination of ion current signal parameters. 13. The method according to claim 11, wherein the at least one of a CO emission level, a CO2 emission level, an O2 emission level, an unburned hydrocarbon (HC) emission level, a cylinder pressure, and a cylinder temperature are predicted based on ion current signal parameters, comprising, a slope of the ion current signal and area under the curve of the ion current signal. 14. The method according to claim 11, wherein controlling engine operating parameters is based on a function of one or more or a combination of ion current signal parameters according to a CO emission level. 15. The method according to claim 14, wherein the CO emission level is predicted based on ion current signal parameters comprising at least one of a slope of the ion current signal and area under the curve of the ion current signal. 16. A method for controlling an internal combustion engine, the system comprising an ion current sensor and a control unit in communication with the ion current sensor for receiving an ion current signal, the control unit being configured to predict for each cylinder during each cycle at least one of an NOx emission level, a CO emission level, a CO2 emission level, an O2 emission level, an unburned hydrocarbon (HC) emission level based on a function of the ion current delay between the start of injection and the start of ion current. 17. The method according to claim 16, wherein the at least one of a CO emission level, a CO2 emission level, an O2 emission level, an unburned hydrocarbon (HC) emission level is a corresponding CO, CO2, O2, HC profile. 18. The method according to claim 16, wherein the control unit is configured to predict a O2 emission level based on the ion current signal. 19. The method according to claim 18, wherein the HC emission level is a HC profile, and the HC profile is predicted based on ion current signal parameters, comprising at least one of a slope of the ion current signal and area under the curve of the ion current signal. 20. A system for controlling an internal combustion engine, the system comprising an ion current sensor and a control unit in communication with the ion current sensor for receiving an ion current signal, the control unit being configured to predict at least one of an NOX emission level, a CO emission level or a CO2 emission level, an O2 emission level, and an unburned hydrocarbon (HC) emission level for each cylinder during each cycle based on an ion current delay and a rate of second peak decay.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (45)
Zhu,Guoming G.; Pursifull,Ross D., Adaptive ignition dwell based on ionization feedback.
Elgh, Bengt; Georghiou, Michael; Carlsson, Christian; Meldert, Thomas; Glavmo, Magnus, Arrangement for detecting ionization in the combustion chamber of a diesel motor, including associated measurement and calibration devices.
Hansel James G. (Emmaus PA) Raman S. Venkat (Emmaus PA) Stolz Jack L. (Allentown PA) Armor John N. (Orefield PA) Li Yuejin (Allentown PA), Control of exhaust emissions from methane-fueled internal combustion engines.
Garcea Giampaolo (Milan ITX) Rogora Edoardo (Milan ITX), Device for detecting the knocking phenomenon in controlled-ignition internal combustion engines, based on the use of ion.
Karau, Philip Allen; Baker, Michael Edward; Rahman, Mahfuzur; Malaczynski, Gerard Wladyslaw, Engine control method and apparatus using ion sense combustion monitoring.
Girlando, Simone; Vignoli, Stefano; Goretti, Sandro, Glow plug arranged for measuring the ionization current of an engine, and method for manufacturing the same.
Matsubara Yoshihiro,JPX ; Kodera Mamoru,JPX ; Ishikawa Masahiro,JPX ; Tomita Terumasa,JPX, Ion current detector device for use in an internal combustion engine.
Latsch, Reinhard; Schober, Heinz; Muller, Gerhard; Bianchi, Valerio, Method and apparatus for closed-loop control of the air number in a self-igniting internal combustion engine.
Latsch Reinhard (Vaihingen DEX) Bianchi Valerio (Hochdorf DEX), Method and apparatus for controlling the composition of the combustible mixture of an engine.
Latsch Reinhard (Vaihingen DEX) Bianchi Valerio (Hochdorf DEX), Method and apparatus for controlling the composition of the combustible mixture of an engine.
Benson,Kelly J.; Tozzi,Luigi P.; Van Dyne,Ed; Barrett,Jeff B., Method and apparatus for detecting combustion instability in continuous combustion systems.
Tozzi,Luigi P.; Benson,Kelly J.; Viele,Matthew, Method and apparatus for detecting ionization signal in diesel and dual mode engines with plasma discharge system.
Raichle, Franz; Berger, Joachim; Strohmaier, Rainer; Fischer, Wolfgang, Method and device for analyzing a signal from an ion current sensor in an internal combustion engine.
Ruediger Herweg DE; Peter Hohner DE; Rudolf Maly DE; Gregor Renner DE; Hartung Wilstermann DE, Method for determining the ion component following a combustion process in a self-igniting internal combustion engine.
Herweg Ruediger,DEX ; Koyanagi Katsuyoshi,DEX ; Maly Rudolf,DEX ; Muenkel Gerhard,DEX ; Renner Gregor,DEX ; Wilstermann Hartung,DEX, Method for evaluating an ion current signal of a self-igniting internal combustion engine.
Hbich Andreas (Gerlingen DEX) Mutschler Bernhard (Gerlingen DEX), Method for measuring and controlling of operating data of internal combustion engines.
Masashi Ando JP; Noboru Ishida JP; Satoshi Sugaya JP; Takafumi Oshima JP; Norihiko Nadanami JP; Takaki Otsuka JP; Yoshikuni Sato JP; Tatsuo Okumura JP; Yasuhisa Kuzuya JP, Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.