RU2010130261A - METHOD FOR OBTAINING A SIGNAL OF SYNCHRONIZATION OF THE WORKING CYCLE OF THE INTERNAL COMBUSTION ENGINE - Google Patents

METHOD FOR OBTAINING A SIGNAL OF SYNCHRONIZATION OF THE WORKING CYCLE OF THE INTERNAL COMBUSTION ENGINE Download PDF

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RU2010130261A
RU2010130261A RU2010130261/06A RU2010130261A RU2010130261A RU 2010130261 A RU2010130261 A RU 2010130261A RU 2010130261/06 A RU2010130261/06 A RU 2010130261/06A RU 2010130261 A RU2010130261 A RU 2010130261A RU 2010130261 A RU2010130261 A RU 2010130261A
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signal
nocyl
synchronization signal
characteristic
obtaining
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RU2010130261/06A
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RU2504680C2 (en
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Гийермо БАЛЛЕСТЕРО (FR)
Гийермо БАЛЛЕСТЕРО
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Рено С.А.С. (Fr)
Рено С.А.С.
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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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • 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
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • 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
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • F02D2041/0092—Synchronisation of the cylinders at engine start
    • 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
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1002—Output torque
    • F02D2200/1004—Estimation of the output torque
    • 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
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1012—Engine speed gradient

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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)

Abstract

1. Способ получения сигнала синхронизации (NOCYL) для четырехтактного двигателя внутреннего сгорания с нечетным числом цилиндров (C1, С2, С3) с помощью электронной системы (7) управления, характеризующийся тем, что сигнал синхронизации (NOCYL), используемый для выявления заданного момента в термодинамическом цикле каждого из цилиндров двигателя, определяют на основании сигнала верхней мертвой точки (ВМТ), отмечающего определенное положение каждого цилиндра, и сигнала (Cg, Вn), отображающего величину, характеризующую кинематику коленчатого вала при каждом воспламенении топлива, при этом оба сигнала формируют на основании данных датчика (22) положения коленчатого вала, причем способ включает этапы, на которых !- обеспечивают работу двигателя в течение заданного периода с поджигом топлива в цилиндрах на каждом обороте, с тем чтобы производить систематическое воспламенение впрыскиваемого топлива, ! - вычисляют характерный сигнал (Cg, Вn), ! - сравнивают характерный сигнал (Cg, Вn) с контрольным значением, ! - повторно инициализируют сигнал синхронизации (NOCYL), если сравнительный анализ показывает, что сигнал синхронизации неправильно фазирован. ! 2. Способ получения сигнала синхронизации (NOCYL) по п.1, в котором характерный сигнал (Cg, Вn) цилиндра во время первого оборота в цикле (Cg1_1, ) сравнивают с характерным сигналом цилиндра во время второго оборота в цикле (Cg1_2, ), чтобы узнать фазу первого оборота, и повторно инициализировать сигнал синхронизации (NOCYL), если фазирование оказалось ошибочным. ! 3. Способ получения сигнала синхронизации (NOCYL) по п.1 или 2, в котором характерный сигнал (Cg) является характеристикой крутящего момента, создава 1. A method of obtaining a synchronization signal (NOCYL) for a four-stroke internal combustion engine with an odd number of cylinders (C1, C2, C3) using an electronic control system (7), characterized in that the synchronization signal (NOCYL) used to detect a given moment in the thermodynamic cycle of each of the engine cylinders, is determined on the basis of the top dead center (TDC) signal, which indicates the specific position of each cylinder, and the signal (Cg, Bn), which displays the value characterizing the kinematics of the crankshaft at each ignition of the fuel, while both signals are formed on the basis of the sensor data (22) of the position of the crankshaft, and the method includes the steps at which! - provide engine operation for a predetermined period with ignition of the fuel in the cylinders at each revolution in order to produce a systematic ignition of injected fuel,! - calculate the characteristic signal (Cg, Bn),! - compare the characteristic signal (Cg, Bn) with the control value,! - reinitialize the synchronization signal (NOCYL), if a comparative analysis shows that the synchronization signal is incorrectly phased. ! 2. The method of obtaining a synchronization signal (NOCYL) according to claim 1, in which the characteristic signal (Cg, Bn) of the cylinder during the first revolution in the cycle (Cg1_1,) is compared with the characteristic signal of the cylinder during the second revolution in the cycle (Cg1_2,), to find out the phase of the first revolution, and re-initialize the synchronization signal (NOCYL), if the phasing turned out to be erroneous. ! 3. The method of obtaining a synchronization signal (NOCYL) according to claim 1 or 2, in which the characteristic signal (Cg) is a characteristic of the torque, creating

Claims (5)

1. Способ получения сигнала синхронизации (NOCYL) для четырехтактного двигателя внутреннего сгорания с нечетным числом цилиндров (C1, С2, С3) с помощью электронной системы (7) управления, характеризующийся тем, что сигнал синхронизации (NOCYL), используемый для выявления заданного момента в термодинамическом цикле каждого из цилиндров двигателя, определяют на основании сигнала верхней мертвой точки (ВМТ), отмечающего определенное положение каждого цилиндра, и сигнала (Cg, Вn), отображающего величину, характеризующую кинематику коленчатого вала при каждом воспламенении топлива, при этом оба сигнала формируют на основании данных датчика (22) положения коленчатого вала, причем способ включает этапы, на которых1. A method of obtaining a synchronization signal (NOCYL) for a four-stroke internal combustion engine with an odd number of cylinders (C1, C2, C3) using an electronic control system (7), characterized in that the synchronization signal (NOCYL) used to detect a given moment in the thermodynamic cycle of each of the engine cylinders, is determined on the basis of the top dead center (TDC) signal, which indicates the specific position of each cylinder, and the signal (Cg, Bn), which displays the value characterizing the kinematics of the crankshaft at azhdom ignition fuel, wherein the two signals are formed based on the sensor data (22) of the crankshaft position, the method comprising the steps of: - обеспечивают работу двигателя в течение заданного периода с поджигом топлива в цилиндрах на каждом обороте, с тем чтобы производить систематическое воспламенение впрыскиваемого топлива,- ensure the operation of the engine for a predetermined period with the ignition of fuel in the cylinders at each revolution, so as to produce a systematic ignition of the injected fuel, - вычисляют характерный сигнал (Cg, Вn),- calculate the characteristic signal (Cg, Bn), - сравнивают характерный сигнал (Cg, Вn) с контрольным значением,- compare the characteristic signal (Cg, Bn) with a control value, - повторно инициализируют сигнал синхронизации (NOCYL), если сравнительный анализ показывает, что сигнал синхронизации неправильно фазирован.- reinitialize the synchronization signal (NOCYL), if a comparative analysis shows that the synchronization signal is incorrectly phased. 2. Способ получения сигнала синхронизации (NOCYL) по п.1, в котором характерный сигнал (Cg, Вn) цилиндра во время первого оборота в цикле (Cg1_1,
Figure 00000001
) сравнивают с характерным сигналом цилиндра во время второго оборота в цикле (Cg1_2,
Figure 00000002
), чтобы узнать фазу первого оборота, и повторно инициализировать сигнал синхронизации (NOCYL), если фазирование оказалось ошибочным.2. The method of obtaining a synchronization signal (NOCYL) according to claim 1, in which the characteristic signal (Cg, Bn) of the cylinder during the first revolution in the cycle (Cg1_1,
Figure 00000001
) are compared with the characteristic cylinder signal during the second revolution in the cycle (Cg1_2,
Figure 00000002
) to find out the phase of the first revolution, and re-initialize the synchronization signal (NOCYL) if the phasing turned out to be erroneous. 3. Способ получения сигнала синхронизации (NOCYL) по п.1 или 2, в котором характерный сигнал (Cg) является характеристикой крутящего момента, создаваемого газом.3. The method of obtaining a synchronization signal (NOCYL) according to claim 1 or 2, in which the characteristic signal (Cg) is a characteristic of the torque generated by the gas. 4. Способ получения сигнала синхронизации (NOCYL) по п.3, в котором выполняют оценку крутящего момента, создаваемого газом по меньшей мере при одном горении в цилиндре "u" двигателя, содержащего р цилиндров, с помощью следующего соотношения:4. The method of obtaining a synchronization signal (NOCYL) according to claim 3, in which an assessment of the torque generated by the gas during at least one combustion in the cylinder "u" of the engine containing p cylinders is performed using the following ratio:
Figure 00000003
Figure 00000003
 где:Where: [Cgaz,0]u - средний момент газа, производимый по меньшей мере при одном горении в цилиндре u во время цикла горения,[C gaz, 0 ] u is the average gas moment produced by at least one combustion in cylinder u during a combustion cycle, βk,i - функция Δtk и/или ωk соответственно продолжительности и скорости прохождения метки Dk перед датчиком,β k, i is the function Δt k and / or ω k, respectively, of the duration and speed of the label Dk in front of the sensor, αk,i - весовой коэффициент для продолжительности, связанной с меткой Dk, зависящий, по меньшей мере от одного рабочего параметра двигателя,α k, i - weighting factor for the duration associated with the label Dk, depending on at least one operating parameter of the engine, α0,i - переменная, зависящая по меньшей мере от одного рабочего параметра двигателя,α 0, i is a variable depending on at least one operating parameter of the engine, δi - весовой коэффициент,δ i - weight coefficient, i - индекс отсчета линейных комбинаций функций,i - reference index of linear combinations of functions, qu и ru - соответственно номер первой метки и номер последней метки, обнаруженных датчиком положения в течение горения топлива в цилиндре u, или виртуальной последней метки, сформированной на основании сигнала датчика и определяющей угловое окно для анализа крутящего момента двигателя, связанного с горением топлива в цилиндре u.qu and ru, respectively, the number of the first mark and the number of the last mark detected by the position sensor during fuel combustion in the cylinder u, or the virtual last mark, formed on the basis of the sensor signal and defining an angular window for analyzing engine torque associated with fuel combustion in the cylinder u. 5. Способ получения сигнала синхронизации (NOCYL) по п.1 или 2, в котором характерный сигнал (Вn) является гармоническим представлением продолжительности зубца. 5. The method of obtaining a synchronization signal (NOCYL) according to claim 1 or 2, in which the characteristic signal (Bn) is a harmonic representation of the duration of the tooth.
RU2010130261/06A 2007-12-20 2008-12-19 Method of ice cycle sync signal generation RU2504680C2 (en)

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FR0760081A FR2925593B1 (en) 2007-12-20 2007-12-20 METHOD FOR GENERATING A SYNCHRONIZATION SIGNAL OF THE OPERATING CYCLE OF AN INTERNAL COMBUSTION ENGINE
FR0760081 2007-12-20
PCT/EP2008/068005 WO2009083492A1 (en) 2007-12-20 2008-12-19 Method for producing an internal combustion engine operating cycle synchronization signal

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FR2925593A1 (en) 2009-06-26
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JP5588877B2 (en) 2014-09-10
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FR2925593B1 (en) 2014-05-16
WO2009083492A1 (en) 2009-07-09

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