EP1126150A2 - Verfahren und Vorrichtung zur Laufruheregelung einer Brennkraftmaschine - Google Patents
Verfahren und Vorrichtung zur Laufruheregelung einer Brennkraftmaschine Download PDFInfo
- Publication number
- EP1126150A2 EP1126150A2 EP00125643A EP00125643A EP1126150A2 EP 1126150 A2 EP1126150 A2 EP 1126150A2 EP 00125643 A EP00125643 A EP 00125643A EP 00125643 A EP00125643 A EP 00125643A EP 1126150 A2 EP1126150 A2 EP 1126150A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- controller
- operating parameters
- values
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1497—With detection of the mechanical response of the engine
- F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
-
- 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
- F02D41/02—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
- F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
-
- 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
- F02D2200/1015—Engines misfires
Definitions
- the invention relates to a method and a device for smooth running control of an internal combustion engine according to General terms of the independent claims.
- a method and a device for smooth running control of a Internal combustion engines are known from DE 33 36 028. There, based on a speed signal, a target and an actual value is formed for each cylinder.
- the individual cylinders a controller is assigned to each one, starting from the comparison between a cylinder-specific actual value and a common setpoint is a manipulated variable for control of a quantity-determining actuator. Thereby becomes an equality by the individual cylinders provided torques.
- the individual Controllers assigned to cylinders have at least integral Behavior on.
- the integral parts preferably with a fixed value, in particular with the value 0 initialized. Based on this starting value then determines the integrator values during operation. This leads to, that when the engine starts, the smooth running control only fully effective after a short delay acquired. This leads to the restart of the internal combustion engine to quantity errors in the individual cylinders. These quantity errors can increase exhaust gas emissions or reduce comfort have as a consequence.
- the integral part when the controller is switched on can be initialized with a predefinable value the effects of quantity errors are significantly reduced. It is particularly advantageous if the values for the integral component depending on the operating parameters of the internal combustion engine can be specified. This can ensure that different correction values with different Operating conditions can be taken into account. A very The temperature has a great influence on the correction values, in particular the temperature of the internal combustion engine is relevant and has a very large influence.
- FIG. 1 The procedure according to the invention is shown in FIG a block diagram.
- an actuator shown that the power output of the internal combustion engine influenced This is preferably a solenoid valve or a piezo actuator, which is the injected Fuel quantity and / or the start of injection influenced.
- 105 is a speed sensor.
- the Speed sensor acts on a setpoint specification 110 and one Actual value specification 115 with a speed signal.
- the actual value specification 115 and the target value 110 applies one first node 120 and a second node 130. Arrived from node 120 and 130 the signal to a controller 125 or 135.
- Die Controllers 125 and 135 act on the control element 100 a corresponding control signal. Furthermore swap regulators 125 and 135 with a default of 140 signals.
- the specification 140 processes the output signal of a sensor 150, which records operational parameters.
- FIG. 1 shows only one control element 100.
- the Invention can also be designed such that everyone Controller and thus an actuator assigned to each cylinder is.
- the illustration in FIG. 1 shows only a first one and a second controller is shown.
- everyone is Cylinder of the internal combustion engine, a controller and an actuator assigned. That means it's one for each cylinder Regulator and a control element available or one or more Controllers form the control signals for the individual cylinders assigned control elements.
- the setpoint specification 110 determines based on the speed N a setpoint S for the controller.
- the actual value specification 115 determined for each controller, i.e. a cylinder-specific one for each cylinder Actual value I.
- Starting from in the connection points 120 and 130 determined control deviations controllers 125 and 135 the manipulated variables. With these Actuating variables are applied to the control element.
- the controllers 125 and 135 are also referred to as a volume compensation scheme the regulation so that all cylinders have the same amount of fuel is measured.
- the regulation is such that all cylinders in terms of a size that the combustion characterized, equated.
- the controllers 125 and / or 135 essentially include one integral part.
- the integral part characterizes the Deviation of the amount of fuel to be injected each Cylinders from the other cylinders.
- the regulators are usually initialized, i.e. the values of the integrators with a starting value, which usually takes the value 0, set.
- a starting value which usually takes the value 0, set.
- the integrators take the necessary values to that for cylinder equalization or for smooth running control are necessary. To minimize this delay time proceeded according to the invention in such a way that the default 140 the Integrators initialized with predefinable values at start. I.e. in the integrators are certain values that stored in the specification 140, registered.
- the predeterminable value is dependent on operating parameters, which are detected by means of sensors 150.
- operating parameters of the internal combustion engine used are in particular Temperature values.
- Temperature values Has proven to be particularly advantageous the temperature of the internal combustion engine or a size that characterized the temperature of the internal combustion engine as proven suitable.
- the temperature of the Cooling water, fuel and / or engine oil can be detected by means of a sensor 150.
- the Fuel temperature at a suitable point in the fuel system measured.
- the fuel temperature with a common rail system in the rail, in the line to the injectors, in the return between the injectors and the low pressure range and / or measured in the high pressure pump become.
- the engine load is preferably taken into account.
- torque is a parameter that characterizes the engine load and / or the injection quantity used.
- the characteristic map values are usually recorded as part of the application and stored in a memory. It is particularly advantageous if the map values are continuously recalculated and stored accordingly. For example, it can be provided that in the adjusted state, for example when the internal combustion engine is idle for a long time, the values of the integral components are stored in a memory of the specification 140 depending on the operating parameters.
- An E 2 PROM is particularly suitable as memory. This procedure ensures that the current values that are valid for this internal combustion engine are always stored in the E 2 PROM.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims (5)
- Verfahren zur Regelung einer Brennkraftmaschine, wobei jedem Zylinder ein Regler zugeordnet ist, der wenigstens einen integralen Anteil aufweist, dadurch gekennzeichnet, dass beim Einschalten des Reglers der integrale Anteil mit einem abhängig von Betriebskenngrößen der Brennkraftmaschine vorgebbaren Wert initialisiert wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Regelung derart erfolgt, daß alle Zylinder bezüglich einer Größe, die die Verbrennung charakterisiert, gleichgestellt werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Werte im laufenden Betrieb abhängig von Betriebskenngrößen abspeicherbar sind.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass als Betriebskenngröße eine Temperaturgröße, insbesondere die Temperatur der Brennkraftmaschine, des Kraftstoffes und/oder eine die Last der Brennkraftmaschine charakterisierende Größe verwendet wird.
- Vorrichtung zur Regelung einer Brennkraftmaschine, wobei jedem Zylinder ein Regler zugeordnet ist, der wenigstens einen integralen Anteil aufweist, dadurch gekennzeichnet, dass Mittel vorgesehen sind, die beim Einschalten des Reglers den integralen Anteil mit einem abhängig von Betriebskenngrößen der Brennkraftmaschine vorgebbaren Wert initialisieren.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10007205 | 2000-02-17 | ||
DE2000107205 DE10007205A1 (de) | 2000-02-17 | 2000-02-17 | Verfahren und Vorrichtung zur Laufruheregelung einer Brennkraftmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1126150A2 true EP1126150A2 (de) | 2001-08-22 |
EP1126150A3 EP1126150A3 (de) | 2002-05-29 |
EP1126150B1 EP1126150B1 (de) | 2006-09-13 |
Family
ID=7631278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000125643 Expired - Lifetime EP1126150B1 (de) | 2000-02-17 | 2000-11-23 | Verfahren und Vorrichtung zur Laufruheregelung einer Brennkraftmaschine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1126150B1 (de) |
DE (2) | DE10007205A1 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2173925A (en) * | 1985-03-19 | 1986-10-22 | Diesel Kiki Co | Idling speed control |
US4742462A (en) * | 1984-09-22 | 1988-05-03 | Diesel Kiki Co., Ltd. | Apparatus for controlling idling operation of an internal combustion engine |
EP0629775A1 (de) * | 1993-06-14 | 1994-12-21 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Regelung der Laufruhe einer Brennkraftmaschine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3336028C3 (de) * | 1983-10-04 | 1997-04-03 | Bosch Gmbh Robert | Einrichtung zur Beeinflussung von Steuergrößen einer Brennkraftmaschine |
DE19706126C2 (de) * | 1997-02-17 | 2002-08-29 | Siemens Ag | Verfahren zur Regelung einer Brennkraftmaschine im Bereich der Magergrenze |
-
2000
- 2000-02-17 DE DE2000107205 patent/DE10007205A1/de not_active Withdrawn
- 2000-11-23 DE DE50013464T patent/DE50013464D1/de not_active Expired - Lifetime
- 2000-11-23 EP EP20000125643 patent/EP1126150B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4742462A (en) * | 1984-09-22 | 1988-05-03 | Diesel Kiki Co., Ltd. | Apparatus for controlling idling operation of an internal combustion engine |
GB2173925A (en) * | 1985-03-19 | 1986-10-22 | Diesel Kiki Co | Idling speed control |
EP0629775A1 (de) * | 1993-06-14 | 1994-12-21 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Regelung der Laufruhe einer Brennkraftmaschine |
Also Published As
Publication number | Publication date |
---|---|
EP1126150B1 (de) | 2006-09-13 |
DE50013464D1 (de) | 2006-10-26 |
DE10007205A1 (de) | 2001-09-06 |
EP1126150A3 (de) | 2002-05-29 |
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