CN101876276B - Control system and method for controlling engine in response to detecting out of range pressure signal - Google Patents
Control system and method for controlling engine in response to detecting out of range pressure signal Download PDFInfo
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- CN101876276B CN101876276B CN 201010170010 CN201010170010A CN101876276B CN 101876276 B CN101876276 B CN 101876276B CN 201010170010 CN201010170010 CN 201010170010 CN 201010170010 A CN201010170010 A CN 201010170010A CN 101876276 B CN101876276 B CN 101876276B
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Abstract
The invention relates to a control system and method for controlling an engine in response to detecting an out of range pressure signal. A method and control module for operating an engine that includes a pressure range determination module that determines a pressure value for a pressure sensor in a fuel rail is out of range. A fuel rail pressure estimate module determines a predicted pressure value. An engine control module operates the engine using the predicted pressure value.
Description
The cross reference of related application
The application requires the rights and interests of the U.S. Provisional Application No.61/173772 of submission on April 29th, 2009.The disclosure of above-mentioned application by reference integral body is incorporated this paper into.
Technical field
The present invention relates to the diagnostic system of electronic control system, and relate more specifically to control system and method for detection of the situation that goes beyond the scope of the sensor of electronic control system.
Background technique
Here the background technique that provides is described the purpose that is used for introducing generally background of the present invention.In current work of signing the inventor (on the degree described in this background technique part) and this descriptions otherwise the each side of the prior art when being not enough to conduct and applying for, neither also be recognized as to non-tacit declaration expressly the prior art inconsistent with the present invention.
Current a lot of motor manufacturer uses direct injected petrol motor.In direct fuel-injection engine, the fuel rail of height repressuring gasoline through sharing is directly injected in the firing chamber of each cylinder.This multiple spot fuel that is different from the routine that is ejected into intake duct or cylinder port sprays.
Gasoline direct injection allows the fuel combustion of stratiform charge to be used for improved fuel efficiency and the discharging that reduces under the low-load.The stratiform fuel charge allows utmost point lean combustion and forms high fuel efficiency and high-power output.The even distribution of the cooling action of institute's burner oil and air-fuel mixture allows more positive burning timing curve.Utmost point lean combustion pattern is used for the light load operating condition when needs seldom accelerate or do not need to accelerate.The stoichiometric pattern using is during the moderate duty condition.Fuel is injected during the aspirating stroke and produce the homogeneous fuel-air mixture in cylinder.The fuels and energy pattern is used for accelerating fast and heavy load.Air-fuel mixture in this situation is slightly denseer than the stoichiometric pattern that helps to reduce pinking.
Direct fuel-injection engine is constructed with the high pressure fuel pump for pressurized jet device fuel rail.Pressure transducer is attached to fuel rail, is used for the control feedback.Pressure transducer provides input to allow the poor information of calculating pressure, and it is used for calculating the injector pulse width that fuel is transported to cylinder.The mistake of the measured fuel pressure that gets causes being transported to the error of the fuel mass in the single cylinder in the fuel rail.
Summary of the invention
The invention provides a kind of method and system, go beyond the scope when what define fuel delivery system that motor is controlled by described method and system during pressure transducer.
In one aspect of the invention, method comprises the force value of determining pressure transducer in the fuel rail, determines that force value goes beyond the scope, determines the forecast pressure value and uses described forecast pressure Value Operations motor.
In another aspect of this invention, be used for determining that the control module of sensor mistake comprises: the pressure range determination module, it determines that the force value of pressure transducer goes beyond the scope in the fuel rail; The fuel rail pressure estimation module, it determines the forecast pressure value; And engine control module, it uses described forecast pressure Value Operations motor.
The invention provides following technical proposals.
1) a kind of method comprises:
Determine the force value of pressure transducer in the fuel rail;
Determine that force value goes beyond the scope;
Determine the forecast pressure value; And
Use described forecast pressure Value Operations motor.
2) such as technological scheme 1 described method, it is characterized in that, determine that force value comprises definite the first force value and the second force value after described the first force value.
3) such as technological scheme 2 described methods, it is characterized in that, determine that described force value goes beyond the scope and comprise and determine that described the second force value goes beyond the scope.
4) such as technological scheme 2 described methods, it is characterized in that, determine that the forecast pressure value comprises based on described the first force value and determine described forecast pressure value.
5) such as technological scheme 2 described methods, it is characterized in that, determine that the forecast pressure value comprises based on described the first force value and the fuel quantity that sprays and determine described forecast pressure value from described force value.
6) such as technological scheme 2 described methods, it is characterized in that, determine that the forecast pressure value comprises based on described the first force value, fuel rail volume and the fuel quantity that sprays and determine described forecast pressure value from the second time.
7) such as technological scheme 2 described methods, it is characterized in that, determine that the forecast pressure value comprises based on described the first force value and fuel tank pressure and determine described forecast pressure value.
8) such as technological scheme 2 described methods, it is characterized in that, determine that the forecast pressure value comprises based on described the first force value, fuel rail volume, the fuel quantity that sprays and fuel tank pressure and determine described forecast pressure value from the second time.
9) such as technological scheme 1 described method, it is characterized in that, use described forecast pressure Value Operations motor to comprise and use described forecast pressure value with restricted speed operation motor.
10) such as technological scheme 1 described method, it is characterized in that, use described forecast pressure Value Operations motor to comprise and use described forecast pressure value with restricted torque operation motor.
11) such as technological scheme 1 described method, it is characterized in that, use described forecast pressure Value Operations engine direct in fuel rail, reaching the low-pressure fuel pumping pressure.
12) such as technological scheme 1 described method, it is characterized in that, also be included in and determine described force value and forbid high-pressure service pump after going beyond the scope.
13) such as technological scheme 1 described method, it is characterized in that, also be included in and produce indication when using described forecast pressure Value Operations motor.
14) a kind of control module comprises:
The pressure range determination module, it determines that the force value of pressure transducer goes beyond the scope in the fuel rail;
The fuel rail pressure estimation module, it determines the forecast pressure value; And
Engine control module, it uses described forecast pressure Value Operations motor.
15) such as technological scheme 14 described control modules, it is characterized in that the pressure range determination module is determined the second force value after described the first force value goes beyond the scope.
16) such as technological scheme 14 described control modules, it is characterized in that described forecast pressure value is based on described the first force value.
17) such as technological scheme 14 described control modules, it is characterized in that described forecast pressure value is based on described the first force value and the fuel quantity that sprays from described the first force value.
18) such as technological scheme 14 described control modules, it is characterized in that described engine control module is used described forecast pressure value with restricted speed or used described forecast pressure value to operate described motor with restricted torque.
19) such as technological scheme 14 described control modules, it is characterized in that described engine control module uses the described engine direct of described forecast pressure Value Operations to reach the low-pressure fuel pumping pressure in fuel rail.
20) a kind of system comprises:
High-pressure service pump; And
Such as technological scheme 14 described control modules, determine described force value go beyond the scope after described control module forbid described high-pressure service pump.
The further Applicable scope of the present invention will become apparent from the detailed description that provides at this.Be to be understood that: although detailed description and specific examples show the preferred embodiments of the present invention, described detailed description and specific examples only are intended to illustrate purpose, and are not intended to limit the scope of the invention.
Description of drawings
From the detailed description and the accompanying drawings, will more completely understand the present invention, wherein:
Fig. 1 is the functional block diagram according to the control system of some mode of execution of the present invention, and described control system is regulated engine timing based on the speed of a motor vehicle;
Fig. 2 is the functional block diagram according to fuel injection system of the present invention;
Fig. 3 is the block diagram of control system among Fig. 1, is used for implementing method of the present invention;
Fig. 4 is the flow chart for the method for determining the pressure transducer mistake; And
Fig. 5 is the plotted curve of the relation of fuel rail pressure and time.
Embodiment
Following description of preferred embodiments only is exemplary in essence and never is to limit the present invention and application or use.As used herein, term module refers to processor (shared, special-purpose or in groups) and storage, the combinational logic circuit of specific integrated circuit (ASIC), electronic circuit, the one or more software programs of execution or firmware program and/or other suitable parts of institute's representation function is provided.As used herein, term boost refer to by the forced induction system of replenishing for example turbosupercharger be incorporated into a certain amount of pressurized air of motor.Some when the term timing is often referred to cylinder (fuel injection) beginning that fuel is introduced in motor.
With reference now to Fig. 1,, schematically illustrated according to exemplary engine control system 10 of the present invention.Engine control system 10 comprises motor 12 and control module 14.Motor also can comprise intake manifold 15, have the fuel injection system 16 of fuel injector (shown in Fig. 2), releasing system 17 and turbosupercharger 18.Exemplary engine 12 is included in 6 cylinders 20 that are arranged to the V-type layout among the adjacent cylinder row 22,24.Although Fig. 1 has described 6 cylinders (N=6), should understand that motor 12 can comprise cylinder 20 extra or still less.For example, can conceive the motor with 2,4,5,8,10,12 and 16 cylinders.It is also envisioned that motor 12 can have the in line engine structure.Use the gasoline that directly sprays to be provided with the internal-combustion engine of power although conceived, the present invention can also use diesel oil or alternative fuel source.
During power operation, be sucked in the intake manifold 15 by means of the air inlet evacuated air that is produced by the engine charge stroke.Air is sucked into each cylinder 20 and compressed therein from intake manifold 15.Fuel is sprayed by ejecting system 16, and this further describes in Fig. 2.Air/fuel mixture is compressed, and the heat of compression and/or electric energy are lighted air/fuel mixture.Waste gas is discharged from cylinder 20 by discharge pipe 26.The turbine blade 25 of exhaust-driven turbocharger 18, it is drive compression machine blade 25 then.Compressor blade 25 can be sent to extra air (boosting) intake manifold 15 and be sent to and be used for burning in the cylinder 20.
Turbosupercharger 18 can be any suitable turbosupercharger, such as but not limited to variable nozzle turbocharger (VNT).Turbosupercharger 18 can comprise the blade 27 of a plurality of variable positions, and blade 27 is sent to the amount of the air in the motor 12 based on the Signal Regulation from control module 14.More specifically, blade 27 can move between fully open position and complete shut-down position.When blade 27 is in the complete shut-down position, thereby turbosupercharger 18 is sent to the air of maximum flow in the intake manifold 15 and is sent in the motor 12.When blade 27 was in fully open position, turbosupercharger 18 was sent to the air of minimum flow in the intake manifold of motor 12.By optionally being positioned between standard-sized sheet and the complete shut-down position, blade 27 regulates the amount that is transmitted air.
Turbosupercharger 18 comprises that control flow to the electronic control blade solenoid valve 28 of the hydraulic fluid of vane actuation device (not shown).The position of vane actuation device control blade 27.Blade position sensor 30 produces the leaf position signal based on the physical location of blade 27.The sensor 31 that boosts produces boost signal based on the additional air that is sent to intake manifold 15 by turbosupercharger 18.Although the turbosupercharger in this enforcement is described to VNT, is understood that and adopts other turbosupercharger of using different electronic control methods.
Manifold absolute pressure (MAP) sensor 34 is positioned on the intake manifold 15, and provides (MAP) signal based on the pressure in the intake manifold 15.Mass Air Flow (MAF) sensor 36 is positioned at air inlet, and provides Mass Air Flow (MAF) signal based on the air quality that flow in the intake manifold 15.Control module 14 use MAF signals determine to flow to the air quality in the intake manifold.Intake air mass can be used in response to engine start, catalyzer ignition and engine metal overtemperature protection based on A/F than the fuel of determining to supply to motor 12.Engine speed (RPM) sensor 44 for example crankshaft position sensor provides engine speed signal.Manifold surface temperature sensor 46 produces the intake air temperature signal.Control module 14 is sent to ejecting system 16 with sparger timing signal.Vehicle speed sensor 49 produces vehicle velocity signal.
The overall operation of control module 14 control engine systems 10.More specifically, control module 14 is based on various parameter control engine system, and described various parameters are including, but not limited to driver's input, stable control etc.Control module 14 can be set to engine control module (ECM).
With reference now to Fig. 2,, fuel injection system 16 is shown in further detail.Fuel rail 110 has the fuel injector 112 that fuel is sent to the cylinder of motor.Be understood that: fuel rail 110 is shown has three fuel injectors 112 corresponding with three cylinders of an exhaust casing of motor 12 among Fig. 1.Fuel rail 110 more than one can be arranged on the vehicle.Equally, the structure that depends on motor can also arrange more or less fuel injector.Fuel rail 110 transmits fuel by high pressure fuel pump 116 and low-pressure fuel pump 118 from fuel tank 114.Low-pressure fuel pump 118 can be arranged in fuel tank 114 to produce fuel tank pressure.Control module 14 is in response to various sensor input control petrolifts 116,118, and described various sensor inputs comprise the input signal 120 from pressure transducer 122.Control module 14 is also controlled sparger 112.Will be further described below the operation of system.
With reference now to Fig. 3,, illustrates in greater detail the control module 14 of Fig. 1.Control module 14 can comprise determines whether off-limits pressure range determination module 210 of pressure sensor readings.Pressure sensor readings and (a plurality of) threshold value can be compared determine whether pressure transducer goes beyond the scope.When determining the pressure transducer value, the pressure transducer value can be stored in the force value storage.If pressure range determination module 210 determines that pressure sensor readings goes beyond the scope, force value storage 212 can comprise the last value in the scope of being in.
Be stored in the scope in the storage 214 of value last in the scope last value and can be used for comprising that various that fuel rail pressure is estimated determine, as below describing.Pressure range determination module 210 provides force value for pump control module 216.Pump control module 216 is in response to force value work.Yet when force value went beyond the scope, fuel rail pressure estimation module 220 produced the fuel rail pressure estimated value.The fuel rail pressure estimated value is used for estimating the fuel of fuel rail, until the pressure that is provided by low-pressure fuel pump 118 is provided the fuel in the fuel rail.Fuel rail pressure estimation module 220 can estimate in the fuel rail previous high pressure and the low pressure that provided by low-pressure fuel pump between the amount of decay.Described decay can determine that wherein said case pressure is corresponding to the low-pressure fuel pumping pressure in response to amount, case pressure, fuel rail volume and other factors of the fuel that sprays by fuel injector.Timer 222 also can offer input the fuel rail pressure estimation module.Therefore the fuel rail pressure estimated value also depends on the time from timer 222.
In response to estimated fuel rail pressure, motor can be by limiting with engine control module 228 when operation.For example, owing to the ability that the minimizing of fuel is provided for motor, but the speed of velocity limiter module 230 limiting engines in the engine control module 228.
Fuel rail pressure estimation module 220 also can be sent to estimated fuel rail pressure the torque limiter module 232 of engine control module 228.The amount of torque that is provided by motor can be provided torque limiter module 232.
Fuel rail pressure estimation module 220 also can be communicated by letter with indicating module 234.Indicating module 234 can produce audio frequency indication, video indication or the two combination.Indicating module 234 can provide motor just with the ability operation that reduces and the indication that needs maintenance.
With reference now to Fig. 4,, provides a kind of method for the operation motor.In step 310, use from the high pressure fuel pump 116 of Fig. 2 and the fuel pressure operation fuel system of low-pressure fuel pump 118.In step 312, be stored in the storage of control module 14 from the force value of pressure transducer 122.In step 314, determine whether the pressure transducer value goes beyond the scope.When the pressure transducer value did not go beyond the scope, system used high pressure fuel pump and low-pressure fuel pump to continue operation.
In step 314, when the pressure transducer value went beyond the scope, step 316 entered fault pattern co-pending.In step 316, before being set, fault flag can make the time of fault mode operation prearranging quatity co-pending.
In step 318, available last previous force value makes the time of fuel system operation prearranging quatity.This will provide the time so that whether intermittent defect and be worth to determine whether to provide in the scope of described fault to be provided for fuel system.
After time, in step 320, fault flag can be set at prearranging quatity.Fault flag can be set so that remedial action to be provided.A kind of remedial action can be to forbid high pressure fuel pump in step 322.In step 324, can estimate fuel rail pressures based on various fuel system factors, described factor comprises from the case fuel pressure, fuel rail volume and other factors that detect the fuel quantity that sprayed after the fault, provided by low-pressure fuel pump.Estimated fuel rail pressure can be depending on the various features of fuel system, therefore can also demarcate.In step 326, with estimated fuel rail pressure operation motor and fuel system.In step 328, determine whether to reach case fuel pressure.When also not reaching case fuel pressure, repeating step 328.In step 328, allow fuel pressure to estimate to decay to the case fuel pressure that is provided by low-pressure fuel pump.In step 330, with the low voltage operated system by low-pressure fuel pump was provided.In step 332, fault mode can be set to have detected pressure sensor failure to driver or maintenance technician's demonstration.In step 334, can represent fault by the audio or video mode.Can produce fault mode setting and indication in the steps 332 and 334 in a plurality of moment.
With reference now to Fig. 5,, the plotted curve of engine speed 410 and fuel rail pressure 420 is shown.In the moment 430, detect the fuel rail pressure sensor signal out of range.In the moment 430, the fuel pressure of last given value is used for operation motor and fuel system.In the moment 432, fault can be set and can forbid high pressure fuel pump.Any point during described process, if receive scope fuel pressure signal, system can turn back under the good value of pressure transducer and move so.After the moment 432, the authorized pressure decay is until reach the low pressure that is provided by low pressure sensor in the moment 434.The variation slope of the curve between 432 and 434 can be the value that can demarcate constantly.The value that can demarcate can based on various factors and fuel tank characteristic, comprise the fuel quantity, case internal pressure and the fuel rail volume that spray.
Can implement in a variety of forms wide instruction of the present invention.Therefore, although the present invention includes object lesson, true scope of the present invention should not be so limited, because other modifications it will be apparent to those skilled in the art that on the basis of research accompanying drawing, embodiment and the claim of enclosing.
Claims (15)
1. a response detects the method for range pressure SC sigmal control motor, comprising:
Determine the first force value and second force value after described the first force value of pressure transducer in the fuel rail;
Determine that described the second force value goes beyond the scope;
Determine the forecast pressure value based on described the first force value; And
Use described forecast pressure Value Operations motor.
2. the method for claim 1 is characterized in that, determines that the forecast pressure value comprises also to determine described forecast pressure value based on the fuel quantity that sprays from described the first force value or the second force value.
3. the method for claim 1 is characterized in that, determines that the forecast pressure value comprises also based on fuel rail volume and the fuel quantity that sprays to determine described forecast pressure value from the first force value or the second force value.
4. the method for claim 1 is characterized in that, determines that the forecast pressure value comprises also to determine described forecast pressure value based on fuel tank pressure.
5. the method for claim 1 is characterized in that, determines that the forecast pressure value comprises also to determine described forecast pressure value based on fuel rail volume, the fuel quantity that sprays and fuel tank pressure from the first force value or the second force value.
6. the method for claim 1 is characterized in that, uses described forecast pressure Value Operations motor to comprise and uses described forecast pressure value with restricted speed operation motor.
7. the method for claim 1 is characterized in that, uses described forecast pressure Value Operations motor to comprise and uses described forecast pressure value with restricted torque operation motor.
8. the method for claim 1 is characterized in that, uses described forecast pressure Value Operations engine direct to reach the low-pressure fuel pumping pressure in fuel rail.
9. the method for claim 1 is characterized in that, also is included in to determine described the second force value and forbid high-pressure service pump after going beyond the scope.
10. the method for claim 1 is characterized in that, also is included in and produces indication when using described forecast pressure Value Operations motor.
11. a control module comprises:
The pressure range determination module, its first force value second force value afterwards of determining pressure transducer in the fuel rail goes beyond the scope;
The fuel rail pressure estimation module, it determines the forecast pressure value based on described the first force value; And
Engine control module, it uses described forecast pressure Value Operations motor.
12. control module as claimed in claim 11 is characterized in that, described forecast pressure value is also based on the fuel quantity that sprays from described the first force value or the second force value.
13. control module as claimed in claim 11 is characterized in that, described engine control module is used described forecast pressure value with restricted speed or is used described forecast pressure value to operate described motor with restricted torque.
14. control module as claimed in claim 11 is characterized in that, described engine control module uses the described engine direct of described forecast pressure Value Operations to reach the low-pressure fuel pumping pressure in fuel rail.
15. a control system comprises:
High-pressure service pump; And
Control module as claimed in claim 11, determine described the second force value go beyond the scope after described control module forbid described high-pressure service pump.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17377209P | 2009-04-29 | 2009-04-29 | |
| US61/173772 | 2009-04-29 | ||
| US61/173,772 | 2009-04-29 | ||
| US12/485,313 | 2009-06-16 | ||
| US12/485,313 US8215288B2 (en) | 2009-04-29 | 2009-06-16 | Control system and method for controlling an engine in response to detecting an out of range pressure signal |
| US12/485313 | 2009-06-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101876276A CN101876276A (en) | 2010-11-03 |
| CN101876276B true CN101876276B (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010170010 Expired - Fee Related CN101876276B (en) | 2009-04-29 | 2010-04-29 | Control system and method for controlling engine in response to detecting out of range pressure signal |
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| CN (1) | CN101876276B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016224481A1 (en) * | 2016-12-08 | 2018-06-14 | Robert Bosch Gmbh | Method for predicting a pressure in a fuel injector |
| DE102018206838B4 (en) * | 2018-05-03 | 2024-06-13 | Vitesco Technologies GmbH | Method and device for diagnosing a high pressure sensor of a motor vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6293757B1 (en) * | 1998-02-10 | 2001-09-25 | Toyota Jidosha Kabushiki Kaisha | Fluid pump control apparatus and method |
| CN1403697A (en) * | 2001-08-31 | 2003-03-19 | 株式会社电装 | Accumulator fuel injection system for ensuring engine starting |
| CN1734074A (en) * | 2004-08-13 | 2006-02-15 | 通用汽车公司 | Fuel control compensation for secondary air system flow variation |
| US7007676B1 (en) * | 2005-01-31 | 2006-03-07 | Caterpillar Inc. | Fuel system |
| CN101063432A (en) * | 2006-04-24 | 2007-10-31 | 株式会社日立制作所 | Fuel supplu equipment for motor and control method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1318288B1 (en) * | 2001-12-06 | 2017-09-06 | Denso Corporation | Fuel injection system for internal combustion engine |
| JP4042058B2 (en) * | 2003-11-17 | 2008-02-06 | 株式会社デンソー | Fuel injection device for internal combustion engine |
-
2010
- 2010-04-29 CN CN 201010170010 patent/CN101876276B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6293757B1 (en) * | 1998-02-10 | 2001-09-25 | Toyota Jidosha Kabushiki Kaisha | Fluid pump control apparatus and method |
| CN1403697A (en) * | 2001-08-31 | 2003-03-19 | 株式会社电装 | Accumulator fuel injection system for ensuring engine starting |
| CN1734074A (en) * | 2004-08-13 | 2006-02-15 | 通用汽车公司 | Fuel control compensation for secondary air system flow variation |
| US7007676B1 (en) * | 2005-01-31 | 2006-03-07 | Caterpillar Inc. | Fuel system |
| CN101063432A (en) * | 2006-04-24 | 2007-10-31 | 株式会社日立制作所 | Fuel supplu equipment for motor and control method thereof |
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