CN109340012A - A kind of quick, intelligent starting control method of in-cylinder direct fuel-injection engine - Google Patents
A kind of quick, intelligent starting control method of in-cylinder direct fuel-injection engine Download PDFInfo
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- CN109340012A CN109340012A CN201811149177.2A CN201811149177A CN109340012A CN 109340012 A CN109340012 A CN 109340012A CN 201811149177 A CN201811149177 A CN 201811149177A CN 109340012 A CN109340012 A CN 109340012A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N99/00—Subject matter not provided for in other groups of this subclass
- F02N99/002—Starting combustion engines by ignition means
- F02N99/004—Generation of the ignition spark
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N99/00—Subject matter not provided for in other groups of this subclass
- F02N99/002—Starting combustion engines by ignition means
- F02N99/006—Providing a combustible mixture inside the cylinder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The present invention relates to a kind of quick, intelligent starting control methods of in-cylinder direct fuel-injection engine, it is characterised in that specific method is completed according to the following steps: the quick, intelligent starting module inside ECU receives quick, intelligent starting command；It obtains the engine being stored in inside ECU and accurately shuts down phase, and judge shut down whether phase is effective, and ECU accurately shuts down phase calculation engine start parameter according to engine, start engine using starter routine start-up mode；By reducing starting load, shortening the starting time, the service life for extending starter and battery of amplitude peak reduces system cost without increasing reinforcing starter and strengthening battery；Meanwhile the comfort of start-stop control system is improved there is no the situation that expansion cylinder and the distribution of compression cylinder power are uneven in start-up course.
Description
Technical field
The present invention relates to a kind of quick, intelligent starting control methods of in-cylinder direct fuel-injection engine, belong to engine control technologies
Field.
Background technique
Engine start-stop control system refers to automatic engine stop when vehicle temporary parking, when needs continue to travel
The set of system of Shi Zidong starting.In waiting signal lamp or traffic congestion, the idling that start-stop control system can shorten engine is empty
Turn the time, reduce fuel consumption, reduce discharge, improves fuel economy.According to statistics, start-stop control system is in urban transportation operating condition
The lower fuel-economizing ability at most up to 15%.
Restart function after engine is shut down to realize, presently, there are following several technology paths:
A) Starting mode for increasing and strengthening starter, strengthen battery: engine is dragged by strengthening starter, can be realized hair
Motivation directly initiates, but is also added significantly to system cost simultaneously；
B) software control engine first inverts, then the Starting mode rotated forward: no starter starting theoretically may be implemented, but realize
Difficulty is larger, starts success rate to improve, it is also necessary to introduce engine stop position control device, increase system cost；Hair
Compression cylinder, which has done work, in motivation reversion process finishes, and cylinder can not be discharged in exhaust gas, is difficult to mention again when engine rotates forward
For power, leads to the power of compression cylinder and expansion cylinder distribution unevenness in start-up course, be easy that engine is made to generate larger vibration
It is dynamic, comfort is reduced, practical engineering application is unfavorable for；
C) the direct Starting mode of software control engine: engine positive and negative rotation is identified by engine shutdown phase, is started
Machine accurately shuts down phase, directly directly initiates from the phase when being again started up.This mode does not account for the acting item of expansion cylinder
Part could not sufficiently excavate the starting potentiality of engine；Starting requires starter intervention every time, makes under the operating condition of frequent start-stop
The service life for obtaining starter and battery is greatly reduced, and is unfavorable for practical engineering application.
Summary of the invention
The purpose of the present invention is to provide a kind of quick, intelligent starting control methods of in-cylinder direct fuel-injection engine, can fit
The quick, intelligent starting method of engine for practical engineering application, further shortens the starting time of engine, and reduction is started
The starting load of machine extends the service life of starter and battery, promotes the comfort of engine startup.
In order to solve the above technical problems, the technical scheme of the present invention is realized as follows: a kind of in-cylinder direct fuel-injection engine is fast
Fast intelligent starting control method, it is characterised in that specific method is completed according to the following steps:
(1) the quick, intelligent starting module inside ECU receives quick, intelligent starting command；
(2) it obtains the engine being stored in inside ECU and accurately shuts down phase, and judge whether shutdown phase is effective, if effectively
Then follow the steps 3, it is no to then follow the steps 4；
(3) ECU accurately shuts down phase calculation engine start parameter according to engine, then executes step 5；
Above-mentioned engine start parameter includes expansion cylinder cylinder number, compression cylinder cylinder number, expansion cylinder gas volume, compression cylinder
Gas volume, expansion cylinder fuel injection parameter, compression cylinder fuel injection parameter, expansion cylinder ignition parameter, compression cylinder ignition parameter,
The expansion cylinder moment of resistance, the compression cylinder moment of resistance, expansion cylinder starting torque, compression cylinder starting torque；
Above-mentioned fuel injection parameter includes injection duration, injection advance angle；Above-mentioned ignition parameter includes igniting accumulation of energy time, igniting
Start angle；
The concrete meaning of the above parameter is as follows: expansion cylinder cylinder number refers to that cylinder cylinder number, compression cylinder cylinder number in expansion stroke are
Refer to the cylinder cylinder number for being in compression stroke；ECU calculates above-mentioned cylinder number according to the stop position of engine, so as to startup stage pair
Corresponding cylinder carries out oil spout, igniting；Expansion cylinder gas volume, the expansion cylinder moment of resistance, expansion cylinder staring torque are meters
Calculate the input parameter of expansion cylinder fuel injection parameter, expansion cylinder ignition parameter；Compression cylinder gas volume, compression cylinder resistance
Square, compression cylinder staring torque are to calculate the input parameter of compression cylinder fuel injection parameter, compression cylinder ignition parameter；
(4) ECU starts engine using starter routine start-up mode, then executes step 10；
Above-mentioned starter routine start-up mode includes the following steps:
1) ECU controls starter starting, drives engine flywheel operating；
2) ECU identifies crankshaft signal, cam signal, and re-recognizes engine synchronization；
3) after ECU successfully identifies engine synchronization, each cylinder acting parameter of calculated for subsequent, including fuel injection parameter, ignition parameter；On
Stating fuel injection parameter includes injection duration, injection advance angle；Above-mentioned ignition parameter includes the igniting accumulation of energy time, lighting a fire starts
Angle；
The process of above-mentioned each cylinder acting parameter of calculating is as follows: ECU is according to vehicle torque demand, engine torque demand, engine
Real-time revolving speed, throttle position, accelerator pedal position, admission pressure, high pressure oil rail pressure and other parameters are obtained using inquiring arithmetic
Obtain injection advance angle, injection duration, igniting beginning angle, igniting accumulation of energy time parameter；
4) ECU successively controls each cylinder injector according to the ignition order of engine, spark plug completes phase according to each cylinder acting parameter
It should act, complete engine start；
(5) ECU judges whether expansion cylinder and compression cylinder can provide sufficient staring torque, if it is thening follow the steps
6, it is no to then follow the steps 7；
(6) ECU use starts engine without starter start-up mode, then executes step 10；
Above-mentioned no starter start-up mode includes the following steps:
1) ECU controls expansion cylinder fuel injector according to expansion cylinder acting parameter, compression cylinder acting parameter respectively and completes oil spout
Movement, control compression cylinder fuel injector complete oil spout movement；
2) ECU controls expansion cylinder spark plug and completes firing action, and expansion cylinder acting pushes expansion cylinder piston to run down；
3) when compression cylinder piston runs to compression cylinder igniting and starts the corresponding phase in angle, ECU lights a fire according to compression cylinder
State modulator compression cylinder spark plug completes firing action, and compression cylinder acting pushes engine to rotate forward；
4) ECU successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes engine
Starting；
(7) judge whether expansion cylinder meets acting condition, it is no to then follow the steps 8 if it is thening follow the steps 9；
(8) ECU directly initiates module starting engine using starter, then executes step 10；
Above-mentioned starter directly initiate mode the following steps are included:
1) ECU controls starter movement, drives engine flywheel operating；
2) ECU completes oil spout movement according to compression cylinder acting state modulator compression cylinder fuel injector；
3) when compression cylinder piston runs to the corresponding phase of compression cylinder ignition advance angle, ECU lights a fire according to compression cylinder
State modulator compression cylinder spark plug completes firing action, and compression cylinder acting pushes engine to rotate forward；
4) ECU successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes engine
Starting；
(9) ECU starts engine using starter assistant starting mode；
Above-mentioned starter assistant starting module the following steps are included:
1) ECU controls starter movement, and controls expansion cylinder fuel injector according to expansion cylinder fuel injection parameter simultaneously and complete oil spout
Movement controls the completion oil spout movement of compression cylinder fuel injector according to compression cylinder fuel injection parameter；
2) when starter starts turning, expansion cylinder spark plug is controlled according to expansion cylinder ignition parameter and completes firing action,
Engine is pushed to rotate forward；
3) when compression cylinder piston reaches the corresponding phase of compression cylinder ignition advance angle, according to compression cylinder ignition parameter control
Compression cylinder spark plug processed completes firing action；
4) ECU successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes engine
Starting；
(10) engine start success.
The positive effect of the present invention is by reducing starting load, shortening the starting time, and amplitude peak extends starting
The service life of machine and battery strengthens starter and reinforcing battery without increasing, reduces system cost；Meanwhile it opening
There is no the situation that expansion cylinder and the distribution of compression cylinder power are uneven during dynamic, the comfortable of start-stop control system is improved
Property.
Detailed description of the invention
Fig. 1 show the block diagram of heretofore described in-cylinder direct fuel-injection engine.
Fig. 2 show the control flow chart of heretofore described quick, intelligent starting control method.
C1- expansion cylinder, C2- compression cylinder, C21- expansion cylinder piston, C22- compression cylinder piston, C31- expand gas
Cylinder spark plug, C32- expansion cylinder fuel injector, C33- compression cylinder spark plug, C34- compression cylinder fuel injector, C41- engine
Flywheel, C42- starter, C51-ECU.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples: as shown in Figs. 1-2, a kind of in-cylinder direct-jet starts
The quick, intelligent starting control method of machine, it is characterised in that specific method is completed according to the following steps:
(1) the quick, intelligent starting module inside ECU receives quick, intelligent starting command；
(2) it obtains the engine being stored in inside ECU and accurately shuts down phase, and judge to shut down the whether effective S1 of phase, if there is
Effect thens follow the steps 3, no to then follow the steps 4；
(3) ECU C51 accurately shuts down phase calculation engine start parameter S21 according to engine, then executes step 5；
Above-mentioned engine start parameter includes expansion cylinder C1 cylinder number, compression cylinder C2 cylinder number, expansion cylinder C1 gas volume, pressure
Contracting cylinder C2 gas volume, expansion cylinder C1 fuel injection parameter, compression cylinder C2 fuel injection parameter, expansion cylinder C1 ignition parameter, pressure
Contracting cylinder C2 ignition parameter, the expansion cylinder C1 moment of resistance, the compression cylinder C2 moment of resistance, expansion cylinder C1 starting torque, compressed gas
Cylinder C2 starting torque；
Above-mentioned fuel injection parameter includes injection duration, injection advance angle；Above-mentioned ignition parameter includes igniting accumulation of energy time, igniting
Start angle；
The concrete meaning of the above parameter is as follows: expansion cylinder C1 cylinder number refers to cylinder cylinder number, compression cylinder C2 cylinder in expansion stroke
Number refer to the cylinder cylinder number in compression stroke；ECU calculates above-mentioned cylinder number according to the stop position of engine, to start rank
Section carries out oil spout, igniting to corresponding cylinder；Expansion cylinder gas volume, the expansion cylinder moment of resistance, expansion cylinder staring torque
It is the input parameter for calculating expansion cylinder fuel injection parameter, expansion cylinder ignition parameter；Compression cylinder gas volume, compression cylinder resistance
Torque, compression cylinder staring torque are to calculate the input parameter of compression cylinder fuel injection parameter, compression cylinder ignition parameter；
(4) ECU starts engine S22 using starter routine start-up mode, then executes step 10；
Above-mentioned starter routine start-up mode includes the following steps:
1) ECU controls starter C42 starting, drives engine flywheel C41 operating；
2) ECU identifies crankshaft signal, cam signal, and re-recognizes engine synchronization；
3) after ECU successfully identifies engine synchronization, each cylinder acting parameter of calculated for subsequent, including fuel injection parameter, ignition parameter；On
Stating fuel injection parameter includes injection duration, injection advance angle；Above-mentioned ignition parameter includes the igniting accumulation of energy time, lighting a fire starts
Angle；
The process of above-mentioned each cylinder acting parameter of calculating is as follows: ECU C51 is according to vehicle torque demand, engine torque demand, hair
The real-time revolving speed of motivation, throttle position, accelerator pedal position, admission pressure, high pressure oil rail pressure and other parameters are calculated using tabling look-up
Method obtains injection advance angle, injection duration, igniting beginning angle, igniting accumulation of energy time parameter.
4) ECU successively controls each cylinder injector, spark plug according to the ignition order of engine according to each cylinder acting parameter
Corresponding actions are completed, engine start is completed；
(5) ECU judges whether expansion cylinder C1 and compression cylinder C2 can provide sufficient staring torque S31, if it is
Step 6 is executed, it is no to then follow the steps 7；
(6) ECU use starts engine S41 without starter start-up mode, then executes step 10；
Above-mentioned no starter start-up mode includes the following steps:
1) ECU controls expansion cylinder fuel injector C32 according to expansion cylinder acting parameter, compression cylinder acting parameter respectively and completes spray
Oil movement, control compression cylinder fuel injector C34 complete oil spout movement；
2) ECU control expansion cylinder spark plug C31 complete firing action, expansion cylinder acting push expansion cylinder piston C21 to
Lower operation；
3) when compression cylinder piston C22 runs to compression cylinder igniting and starts the corresponding phase in angle, ECU is according to compression cylinder point
Fiery state modulator compression cylinder spark plug C33 completes firing action, and compression cylinder acting pushes engine to rotate forward；
4) ECU successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes engine
Starting；
(7) judge whether expansion cylinder C1 meets acting condition S42, it is no to then follow the steps 8 if it is thening follow the steps 9；
(8) ECU directly initiates module starting engine S51 using starter, then executes step 10；
Above-mentioned starter directly initiate mode the following steps are included:
1) ECU controls starter C42 movement, drives engine flywheel C41 operating；
2) ECU completes oil spout movement according to compression cylinder acting state modulator compression cylinder fuel injector C34；
3) when compression cylinder piston C22 runs to the corresponding phase of compression cylinder ignition advance angle, ECU is according to compression cylinder point
Fiery state modulator compression cylinder spark plug C33 completes firing action, and compression cylinder acting pushes engine to rotate forward；
4) ECU C51 successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes hair
Motivation starting；
(9) ECUC51 starts engine S52 using starter assistant starting mode；
Above-mentioned starter assistant starting module the following steps are included:
1) ECUC51 controls starter C42 movement, and controls expansion cylinder fuel injector C32 according to expansion cylinder fuel injection parameter simultaneously
It completes oil spout movement, control compression cylinder fuel injector C34 completion oil spout movement according to compression cylinder fuel injection parameter；
2) when starter C42 is started turning, it is complete that expansion cylinder spark plug C31 is controlled according to expansion cylinder ignition parameter
At firing action, engine is pushed to rotate forward；
3) it when compression cylinder piston C22 reaches the corresponding phase of compression cylinder ignition advance angle, is lighted a fire and is joined according to compression cylinder
Number control compression cylinder spark plug C33 completes firing action；
4) ECU C51 successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes hair
Motivation starting；
(10) engine start success.
After above-mentioned quick, intelligent starting control method, ECU can be according to the specific shutdown phase and shutdown work of engine
Condition comprehensive distinguishing, from no starter start-up mode, starter assistant starting mode, that starter directly initiates mode, starter is normal
Advise the start-up course of selection one mode control engine in start-up mode.1) when shutdown phase is effective and more satisfactory, make
With no starter start-up mode, the starting of engine, starter and storage under this mode can be realized by not needing starter intervention
The service life of battery is extended to the greatest extent；2) when shutdown phase is effective but phase is general, starter assistant starting is used
Mode can still provide partial power, and start although expansion cylinder can not provide enough staring torques under this mode
Mechanomotive force forms resultant force, reduces starting load, shortens the starting time, reduces storage battery power supply electric current, shorten power supply
Time, the service life for being conducive to starter and battery extend；3) it when shutdown phase is effective but stop position is not satisfactory, uses
Starter directly initiates mode, determines that ECU does not need to re-recognize engine synchronization, in the band of starter due to shutting down phase
It directly does work since compression cylinder under dynamic, shortens the starting time, reduce staring torque, be conducive to starter and battery
Service life extend；4) under worst case, shutdown phase is insincere, then starter routine start-up mode is used, in the band of starter
Under dynamic, engine operating, ECU re-recognizes engine synchronization, and is started according to conventional Booting sequence, ensure that starting at
Power.
The present invention is sufficiently to excavate the starting potentiality of engine according to operating condition and practical shutdown phase is shut down, accomplish to the greatest extent may be used
The reduction starting load of energy shortens the starting time, to achieve the purpose that extend starter and the life of storage battery.
As shown in Figure 1, expansion cylinder C1 is the cylinder that piston downlink and intake and exhaust valves are all closed after shutting down；Compression
Cylinder C2 is the cylinder that piston stroking upward and intake and exhaust valves are all closed after shutting down.Expansion gas has been fully considered in the present embodiment
The acting condition of cylinder and compression cylinder, the specific steps are as follows:
(1) the quick, intelligent starting module inside ECUC51 receives quick, intelligent starting command；
(2) it obtains the engine being stored in inside ECUC51 and accurately shuts down phase, and judge to shut down the whether effective S1 of phase, if
Effectively then follow the steps 3, it is no to then follow the steps 4；
(3) ECUC51 accurately shuts down phase calculation engine start parameter S21 according to engine, then executes step 5；
(4) ECUC51 starts engine S22 using starter routine start-up mode, then executes step 10；
(5) ECU judges whether expansion cylinder C1 and compression cylinder C2 can provide sufficient staring torque S31, if it is
Step 6 is executed, it is no to then follow the steps 7；
(6) ECU use starts engine S41 without starter start-up mode, then executes step 10；
(7) judge whether expansion cylinder C1 meets acting condition S42, it is no to then follow the steps 8 if it is thening follow the steps 9；
(8) ECU directly initiates module starting engine S51 using starter, then executes step 10；
Above-mentioned starter directly initiate mode the following steps are included:
(9) ECU starts engine S52 using starter assistant starting mode；
(10) engine start success.
Claims (5)
1. a kind of quick, intelligent starting control method of in-cylinder direct fuel-injection engine, it is characterised in that specific method is complete according to the following steps
At:
(1) the quick, intelligent starting module inside ECU receives quick, intelligent starting command；
(2) it obtains the engine being stored in inside ECU and accurately shuts down phase, and judge whether shutdown phase is effective, if effectively
Then follow the steps 3, it is no to then follow the steps 4；
(3) ECU accurately shuts down phase calculation engine start parameter according to engine, then executes step 5；
Above-mentioned engine start parameter includes expansion cylinder cylinder number, compression cylinder cylinder number, expansion cylinder gas volume, compression cylinder
Gas volume, expansion cylinder fuel injection parameter, compression cylinder fuel injection parameter, expansion cylinder ignition parameter, compression cylinder ignition parameter,
The expansion cylinder moment of resistance, the compression cylinder moment of resistance, expansion cylinder starting torque, compression cylinder starting torque；
Above-mentioned fuel injection parameter includes injection duration, injection advance angle；Above-mentioned ignition parameter includes igniting accumulation of energy time, igniting
Start angle；
The concrete meaning of the above parameter is as follows: expansion cylinder cylinder number refers to that cylinder cylinder number, compression cylinder cylinder number in expansion stroke are
Refer to the cylinder cylinder number for being in compression stroke；ECU calculates above-mentioned cylinder number according to the stop position of engine, so as to startup stage pair
Corresponding cylinder carries out oil spout, igniting；Expansion cylinder gas volume, the expansion cylinder moment of resistance, expansion cylinder staring torque are meters
Calculate the input parameter of expansion cylinder fuel injection parameter, expansion cylinder ignition parameter；Compression cylinder gas volume, compression cylinder resistance
Square, compression cylinder staring torque are to calculate the input parameter of compression cylinder fuel injection parameter, compression cylinder ignition parameter；
(4) ECU starts engine using starter routine start-up mode, then executes step 10；
(5) ECU judges whether expansion cylinder and compression cylinder can provide sufficient staring torque, if it is thening follow the steps
6, it is no to then follow the steps 7；
(6) ECU use starts engine without starter start-up mode, then executes step 10；
(7) judge whether expansion cylinder meets acting condition, it is no to then follow the steps 8 if it is thening follow the steps 9；
(8) ECU directly initiates module starting engine using starter, then executes step 10；
(9) ECU starts engine using starter assistant starting mode；
(10) engine start success.
2. the quick, intelligent starting control method of a kind of in-cylinder direct fuel-injection engine according to claim 1, it is characterised in that institute
Starter routine start-up mode is stated to include the following steps:
1) ECU) control starter starting, drive engine flywheel operating；
2) ECU identifies crankshaft signal, cam signal, and re-recognizes engine synchronization；
3) after ECU successfully identifies engine synchronization, each cylinder acting parameter of calculated for subsequent, including fuel injection parameter, ignition parameter；On
Stating fuel injection parameter includes injection duration, injection advance angle；Above-mentioned ignition parameter includes the igniting accumulation of energy time, lighting a fire starts
Angle；
The process of above-mentioned each cylinder acting parameter of calculating is as follows: ECU is according to vehicle torque demand, engine torque demand, engine
Real-time revolving speed, throttle position, accelerator pedal position, admission pressure, high pressure oil rail pressure and other parameters are obtained using inquiring arithmetic
Obtain injection advance angle, injection duration, igniting beginning angle, igniting accumulation of energy time parameter；
4) ECU successively controls each cylinder injector according to the ignition order of engine, spark plug completes phase according to each cylinder acting parameter
It should act, complete engine start.
3. the quick, intelligent starting control method of a kind of in-cylinder direct fuel-injection engine according to claim 1, it is characterised in that institute
Above-mentioned no starter start-up mode is stated to include the following steps:
1) ECU controls expansion cylinder fuel injector according to expansion cylinder acting parameter, compression cylinder acting parameter respectively and completes spray
Oil movement, control compression cylinder fuel injector complete oil spout movement；
2) ECU controls expansion cylinder spark plug and completes firing action, and expansion cylinder acting pushes expansion cylinder piston to run down；
3) when compression cylinder piston runs to compression cylinder igniting and starts the corresponding phase in angle, ECU lights a fire according to compression cylinder
State modulator compression cylinder spark plug completes firing action, and compression cylinder acting pushes engine to rotate forward；
4) ECU successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes engine
Starting.
4. the quick, intelligent starting control method of a kind of in-cylinder direct fuel-injection engine according to claim 1, it is characterised in that institute
State starter directly initiate mode the following steps are included:
1) ECU controls starter movement, drives engine flywheel operating；
2) ECU completes oil spout movement according to compression cylinder acting state modulator compression cylinder fuel injector；
3) when compression cylinder piston runs to the corresponding phase of compression cylinder ignition advance angle, ECU lights a fire according to compression cylinder
State modulator compression cylinder spark plug completes firing action, and compression cylinder acting pushes engine to rotate forward；
4) ECU successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes engine
Starting.
5. the quick, intelligent starting control method of a kind of in-cylinder direct fuel-injection engine according to claim 1, it is characterised in that institute
State starter assistant starting module the following steps are included:
1) ECU controls starter movement, and controls expansion cylinder fuel injector according to expansion cylinder fuel injection parameter simultaneously and complete oil spout
Movement controls the completion oil spout movement of compression cylinder fuel injector according to compression cylinder fuel injection parameter；
2) when starter starts turning, expansion cylinder spark plug is controlled according to expansion cylinder ignition parameter and completes firing action,
Engine is pushed to rotate forward；
3) when compression cylinder piston reaches the corresponding phase of compression cylinder ignition advance angle, according to compression cylinder ignition parameter control
Compression cylinder spark plug processed completes firing action；
4) ECU successively controls subsequent each cylinder injector, spark plug completion corresponding actions according to normal ignition sequence, completes engine
Starting.
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| CN201811149177.2A CN109340012A (en) | 2018-09-29 | 2018-09-29 | A kind of quick, intelligent starting control method of in-cylinder direct fuel-injection engine |
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| CN201811149177.2A CN109340012A (en) | 2018-09-29 | 2018-09-29 | A kind of quick, intelligent starting control method of in-cylinder direct fuel-injection engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983666A (en) * | 2021-03-26 | 2021-06-18 | 中国第一汽车股份有限公司 | Automobile quick starting method, device, equipment and storage medium |
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| CN104204479A (en) * | 2012-03-23 | 2014-12-10 | 丰田自动车株式会社 | Control apparatus for internal combustion engine |
| CN106050443A (en) * | 2015-04-09 | 2016-10-26 | 丰田自动车株式会社 | Engine start control apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983666A (en) * | 2021-03-26 | 2021-06-18 | 中国第一汽车股份有限公司 | Automobile quick starting method, device, equipment and storage medium |
| CN112983666B (en) * | 2021-03-26 | 2022-09-13 | 中国第一汽车股份有限公司 | Automobile quick starting method, device, equipment and storage medium |
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