CN104454188B - Dual fuel engine gasoline injection amount control method and control system - Google Patents
Dual fuel engine gasoline injection amount control method and control system Download PDFInfo
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- CN104454188B CN104454188B CN201410594761.4A CN201410594761A CN104454188B CN 104454188 B CN104454188 B CN 104454188B CN 201410594761 A CN201410594761 A CN 201410594761A CN 104454188 B CN104454188 B CN 104454188B
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Output Control And Ontrol Of Special Type Engine (AREA)
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Abstract
The invention provides a kind of dual fuel engine gasoline injection amount control method, this method comprises the following steps：Based on engine current operating conditions, revised maximum allowable gasoline distributive value and minimum allowable gasoline distributive value are obtained according to circulation air inflow, engine speed, cylinder temperature and EGR rate；If current gasoline distributive value is more than maximum allowable gasoline distributive value, gasoline injection is performed with maximum allowable gasoline distributive value；If current gasoline distributive value is less than minimum allowable gasoline distributive value, gasoline injection is performed with minimum allowable gasoline distributive value；Otherwise, gasoline injection is performed with current gasoline distributive value.Meanwhile the invention further relates to a kind of control system of dual fuel engine gasoline injection amount.Technical scheme uses, and gasoline distributive value is met use demand and is fully burned, and reduces THC discharges, while avoids the generation of the excessive phenomenon of engine noise, a greater degree of advantage for playing dual fuel engine.
Description
Technical field
The present invention relates to a kind of control technology of fuel injection in combustion engine, more particularly to a kind of dual fuel engine
Gasoline injection amount control method；Meanwhile the invention further relates to a kind of control system of dual fuel engine gasoline injection amount.
Background technology
As environmental problem and energy problem are more and more severeer, main " consumption of the internal combustion engine as the world oil energy
Person ", stand in the breach of particular concern.Internal combustion engine is the dynamic power machine that the current whole world is most widely used, in the short time
It is irreplaceable, how reduces the oil consumption of engine, economy is become better and better, more and more environmentally friendly, is global in recent years major
The target that automobile vendor lays siege to.
Conventional engines are broadly divided into gasoline engine diesel engine, and gasoline exhaust is preferable, but its ignition way determines its fuel oil
Economy is poor, and the mode of diesel engine compression and combustion ensure that fuel-economy type, but corresponding NOX and other discharges are higher.Cause
This, the use of dual fuel engine, has had the Common advantages of gasoline and diesel oil concurrently.Dual fuel engine is gas-duct jetting gasoline,
Cylinder injection diesel fuel, diesel oil sprays before top dead centre lights gasoline, and low oil consumption, low emission are realized with fluid multi-point spark.
In the structure of double fuel, vehicle torque after some calculating arranged, to be finally converted into the pre- distributive value of gasoline, diesel oil and
Diesel oil main jet oil mass.However, the burning degree of gasoline, more sensitive to cylinder temperature, and when cylinder temperature is too low, engine thermal
Atmosphere is relatively low, and gasoline distributive value is excessive, causes fully to burn, and discharge and combustion stability are poor；When cylinder temperature is higher,
If gasoline amount is excessive, meeting build-up of pressure rate of rise is too high, and engine combustion is rough, and noise is big, and easily causes to engine
The injury of body, the advantage of the low oil consumption low emission of dual fuel engine can not be given full play to if amount of gasoline is too small.
Control method is sprayed in advance based on the defects of such as, occurring engine in the prior art, and this method turns according to engine
Speed, main jet oil mass and ambient parameter obtain revised pre- distributive value and revised pre- oil spout angle, by by actual fuel injection
Amount and the comparison at oil spout angle and pre- distributive value and pre- oil spout angle, realize the control to pre- distributive value.But because cylinder temperature is to vapour
Oily distributive value is had a great influence, and cylinder temperature is achieved by a variety of factors, and control of the method to gasoline distributive value is controlled as described above
System is still not accurate enough.
The content of the invention
In view of this, the present invention is directed to propose a kind of dual fuel engine gasoline injection amount control method, to be sprayed to gasoline
Oil mass carries out accurately controlling and then ensureing that gasoline combustion is abundant.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of dual fuel engine gasoline injection amount control method, this method comprise the following steps：
Based on engine current operating conditions, obtained according to circulation air inflow, engine speed, cylinder temperature and EGR rate
Take revised maximum allowable gasoline distributive value and minimum allowable gasoline distributive value；
If current gasoline distributive value is more than maximum allowable gasoline distributive value, gasoline is performed with maximum allowable gasoline distributive value
Injection；If current gasoline distributive value is less than minimum allowable gasoline distributive value, gasoline spray is performed with minimum allowable gasoline distributive value
Penetrate；Otherwise, gasoline injection is performed with current gasoline distributive value.
Further, the revised maximum allowable gasoline distributive value of described acquisition comprises the following steps：
Maximum allowable parameter value M is obtained according to circulation air inflow, engine speed, cylinder temperature and EGR rate；
Maximum allowable gasoline distributive value, the spray of described maximum allowable gasoline are obtained according to the maximum allowable parameter value M of acquisition
Oil mass=circulation air inflow/（Maximum allowable parameter value M*14.7）.
Further, the maximum allowable parameter value M of acquisition comprises the following steps：
Tabled look-up according to circulation air inflow and engine speed and obtain maximum allowable parameter basis value A；
According to cylinder temperature, the first correction factor as corresponding to fair curve searches the cylinder temperature；And according to EGR
Rate, the second correction factor as corresponding to fair curve searches the EGR rate；
First correction factor and the second correction factor are multiplied by by maximum allowable parameter basis value A respectively, obtain the first amendment
Value B and the second correction value C；
After being summed to maximum allowable parameter basis value A, the first correction value B and the second correction value C, maximum allowable parameter is obtained
Value M.
Further, the revised minimum allowable gasoline distributive value of described acquisition comprises the following steps：
Minimum allowable parameter value N is obtained according to circulation air inflow, engine speed, cylinder temperature and EGR rate；
Minimum allowable gasoline distributive value, the spray of described minimum allowable gasoline are obtained according to the minimum allowable parameter value N of acquisition
Oil mass=circulation air inflow/（Minimum allowable parameter value N * 14.7）.
Further, the acquisition minimum allowable parameter value N comprises the following steps：
Tabled look-up according to circulation air inflow and engine speed and obtain minimum allowable parameter basis value a；
According to cylinder temperature, the first correction factor as corresponding to fair curve searches the cylinder temperature；And according to EGR
Rate, the second correction factor as corresponding to fair curve searches the EGR rate；
First correction factor and the second correction factor are multiplied by by acquisition minimum allowable parameter basis value a respectively, obtain the 3rd
Correction value b and the 4th correction value c；
After being summed to minimum allowable parameter basis value a, the 3rd correction value b and the 4th correction value c, minimum allowable parameter is obtained
Value N.
Further, described cylinder temperature is obtained by the temperature sensor being placed in cylinder.
Further, described EGR rate is obtained by capnograph.
Relative to prior art, dual fuel engine gasoline injection amount control method of the present invention has following excellent
Gesture：
Dual fuel engine gasoline injection amount control method of the present invention, due to according to circulation air inflow, engine
Rotating speed, cylinder temperature and EGR rate determine revised maximum allowable gasoline distributive value and minimum allowable gasoline spray
Oil mass, so that gasoline distributive value meets use demand and is fully burned, THC discharges are reduced, while avoid engine noise
The generation of excessive phenomenon, a greater degree of advantage for playing dual fuel engine.
Another object of the present invention is to propose a kind of dual fuel engine gasoline injection amount control system, including master control list
Member, the signal acquisition module being connected with main control unit and the gasoline ejector controlled by main control unit, described signal acquisition
Module includes：
Engine speed acquiring unit, transmitted for obtaining the engine speed under current state, and by engine speed
To main control unit；
Air inflow acquiring unit is circulated, for obtaining the air circulation air inflow under current state, and air circulation is entered
Tolerance is sent to main control unit；
Cylinder temperature acquiring unit, it is sent to for obtaining the engine cylinder temperature under current state, and by the temperature
Main control unit；
EGR rate acquiring unit, master control list is sent to for obtaining the EGR rate under current state, and by the EGR rate of acquisition
Member；
Current gasoline distributive value acquiring unit, passed for current gasoline distributive value, and by the current gasoline distributive value of acquisition
Deliver to main control unit；
Described dual fuel engine gasoline injection amount control system also includes,
First computing module, to calculate maximum allowable gasoline distributive value, and the maximum obtained will be calculated by main control unit
Gasoline distributive value is allowed to store into the first memory module being connected with main control unit；
Second computing module, to calculate minimum allowable gasoline distributive value, and the minimum obtained will be calculated by main control unit
Gasoline distributive value is allowed to store into the second memory module being connected with main control unit；
Comparator, it is connected with main control unit, for by current gasoline distributive value and maximum allowable gasoline distributive value and minimum
Gasoline distributive value is allowed to be compared.
Further, described cylinder temperature acquiring unit is using the temperature sensor being placed in cylinder.
Further, described EGR rate acquiring unit uses capnograph.
The dual fuel engine gasoline injection amount control system and above-mentioned dual fuel engine gasoline injection amount controlling party
Method is same relative to Dominant Facies possessed by prior art, will not be repeated here.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the annexation block diagram of the embodiment of the present invention one；
Description of reference numerals：
1- main control units, 2- signal acquisition modules, 201- engine speed acquiring units, 202- circulation air inflows obtain single
Member, 203- cylinder temperature acquiring units, 204-EGR rate acquiring units, 205- current gasoline distributive value acquiring units, the spray of 3- gasoline
Oily device, the computing modules of 4- first, the memory modules of 5- first, the computing modules of 6- second, the 7, second memory module, 8- comparators.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
The present embodiment is related to a kind of dual fuel engine gasoline injection amount control system, and as shown in Figure 1, it includes master control list
Member 1, the signal acquisition module 2 being connected with main control unit 1 and the gasoline ejector 3 controlled by main control unit 1.Wherein, master control
Unit 1 can use vehicle ECU, and gasoline ejector 3 is arranged in air intake duct, its structure and the control between main control unit 1
Annexation processed, the routine techniques of existing vehicle can be used, so that gasoline ejector 3 is under the control of main control unit 1, Xiang Fa
Injected petrol in engine cylinder body.
Signal acquisition module 2 in the present embodiment, for being obtained to the parameter information of vehicle, in the present embodiment,
It includes engine speed acquiring unit 201, and circulation air inflow acquiring unit 202, cylinder temperature acquiring unit 203, EGR rate obtains
Take unit 204, current gasoline distributive value acquiring unit 205, as above the signal output part of each acquiring unit with the phase of main control unit 1
Even, for the parameter information of acquisition to be sent to main control unit.
Wherein, engine speed acquiring unit 201 is used to obtain the engine speed under current state；Circulation air inflow obtains
Unit 202 is taken to be used to obtain the air circulation air inflow under current state, in actual use, it can use air mass flow
Meter, the flow obtained by mass air flow sensor draw circulation air inflow；Cylinder temperature acquiring unit 203 is used to obtain current state
Under engine cylinder temperature, it can use the temperature sensor that is placed in cylinder；EGR rate acquiring unit 204 is used to obtain and worked as
EGR rate under preceding state, in practical application, it uses capnograph, entered by what capnograph obtained
The ratio of gas CO2 concentration and exhaust CO2 concentration is worth to EGR rate；Current gasoline distributive value acquiring unit 205 is used to obtain current vapour
Oily distributive value, it can use the oil spout value demarcated during vehicle ECU control distributive values.
In addition, the dual fuel engine gasoline injection amount control system of the present embodiment also has what is be connected with main control unit 1
First computing module 4, the first memory module 5, the second computing module 6, the second memory module 7 and comparator 8.First calculates mould
Block 4 calculates maximum allowable gasoline by the control of main control unit 1 according to the data of the acquiring unit acquisition of main control unit reception
Distributive value, the maximum allowable gasoline distributive value being calculated are stored into the first memory module 5 by the control of main control unit 1；Similarly,
Second computing module 6 is calculated most by the control of main control unit 1 according to the data of the acquiring unit acquisition of main control unit reception
Small permission gasoline distributive value, the minimum allowable gasoline distributive value being calculated are stored to the second storage mould by the control of main control unit 1
In block 7；Comparator 8 by main control unit 1 control, by the numerical value stored in current gasoline distributive value and the first memory module 5 or
The numerical value stored in second memory module 7 is compared, and main control unit 1 is according to the comparative result, and control gasoline ejector 3 is to entering
Injected petrol in feed channel.
The dual fuel engine gasoline injection amount control system of the present embodiment, the engine obtained by main control unit 1 turn
Fast signal, air inflow, cylinder temperature value and EGR rate are circulated to determine that revised maximum allowable gasoline distributive value and minimum are permitted
Perhaps gasoline distributive value, current gasoline distributive value and revised maximum allowable gasoline distributive value and minimum are permitted by comparator 8
Perhaps after gasoline distributive value is compared, the actual fuel injection amount of gasoline ejector 3 is controlled, so that the gasoline energy being injected in air inlet pipe
It is enough it is clean-burning simultaneously, reduce THC discharges, avoid the generation of the excessive phenomenon of engine noise.
Embodiment two
The present embodiment is related to a kind of dual fuel engine gasoline injection amount control method, and this method is to be based on the institute of embodiment one
A kind of optimized control method under the dual fuel engine gasoline injection amount control system stated, the major control thought of this method
As described below：
Based on engine current operating conditions, obtained according to circulation air inflow, engine speed, cylinder temperature and EGR rate
Take revised maximum allowable gasoline distributive value and minimum allowable gasoline distributive value；
If current gasoline distributive value is more than maximum allowable gasoline distributive value, gasoline is performed with maximum allowable gasoline distributive value
Injection；If current gasoline distributive value is less than minimum allowable gasoline distributive value, gasoline spray is performed with minimum allowable gasoline distributive value
Penetrate；Otherwise, gasoline injection is performed with current gasoline distributive value.
Based on thought is controlled as described above, the present embodiment comprises the following steps that：
Step 1, establish circulation air inflow, engine speed, cylinder temperature and amendment relation corresponding to EGR rate；
Step a, establish based on corresponding equivalent value under engine speed and circulation air inflow environment（Lambda values）'s
Lambda tables, the Lambda values correspond to different zones, and in specific set, easy pinking during load big due to low speed can be with
Gasoline concentration is set diluter, when low speed Smaller load or high speed moderate duty, what can be set is denseer.
Step b, the first fair curve is established, establish the corresponding relation of cylinder temperature and the first correction factor, to form
One fair curve.
Step c, the second fair curve is established, establish the corresponding relation of EGR rate and the second correction factor, repaiied with forming second
Positive curve.
Step 2, main control unit 1 receive engine speed acquiring unit 201, circulation air inflow acquiring unit 202, in cylinder
The data that temperature acquiring unit 203, EGR rate acquiring unit 204, current gasoline distributive value acquiring unit 205 convey；
Step 3, revised maximum allowable gasoline distributive value is obtained, it comprises the following steps：
Step a, main control unit 1 obtain according to the circulation air inflow of reception, engine speed, cylinder temperature and EGR rate
Maximum allowable parameter value M, specific steps include：
A1, tabled look-up according to circulation air inflow and engine speed, i.e., by the Lambda tables of step a in finding step one,
Obtain maximum allowable parameter basis value A；In the present embodiment, previous cycle air inflow circulates for 14.7g/, and the maximum of acquisition permits
Perhaps parameter basis value A is 2.
A2, according to cylinder temperature, the first correction factor as corresponding to the first fair curve searches the cylinder temperature；Such as temperature
The temperature spent in sensor collection cylinder is 1000 degree, and corresponding first correction factor looked into is 0.15；A3, according to EGR rate, by
Two fair curves search the second correction factor corresponding to the EGR rate；Such as second correction factor is -0.1；
A4, the first correction factor and the second correction factor be multiplied by by maximum allowable parameter basis value A respectively, obtain first and repair
On the occasion of B and the second correction value C, i.e. B=2*0.15=0.3；C=2*（-0.1）=-0.2；
A5, after being summed to maximum allowable parameter basis value A, the first correction value B and the second correction value C, obtain maximum allowable
Parameter value M.Based on the numerical value being obtained as above, M=2+0.3-0.2=2.1.
Step b, maximum allowable gasoline distributive value is obtained according to the maximum allowable parameter value M of acquisition, described is maximum allowable
Gasoline distributive value=circulation air inflow/（Maximum allowable parameter value M*14.7）Main control unit 1 deposits the maximum allowable gasoline distributive value
Storage is into the first memory module 5.
Step 4, revised minimum allowable gasoline distributive value is obtained, it specifically comprises the following steps：
Step a, minimum allowable parameter value N is obtained according to circulation air inflow, engine speed, cylinder temperature and EGR rate,
Specifically include：
Step a1, tabled look-up according to circulation air inflow and engine speed and obtain minimum allowable parameter basis value a, it is assumed that now
The minimum allowable parameter basis value a of acquisition is 1;
Step a2, according to cylinder temperature, the first correction factor as corresponding to the first fair curve searches the cylinder temperature；Example
Such as current cylinder temperature is 800 degree, and its corresponding first correction factor is 0.1；
Step a3, according to EGR rate, the second correction factor as corresponding to the second fair curve searches the EGR rate, as searched
Correction factor is 0.05；
Step a4, the first correction factor and the second correction factor are multiplied by by minimum allowable parameter value N respectively, the 3rd is obtained and repaiies
On the occasion of b and the 4th correction value c；
Step a5, after being summed to minimum allowable parameter basis value a, the 3rd correction value b and the 4th correction value c, obtain minimum
Allow parameter value N.That is N=1+1*0.1+1*0.05=1.15.
Step b, minimum allowable gasoline distributive value, described minimum allowable are obtained according to the minimum allowable parameter value N of acquisition
Gasoline distributive value=circulation air inflow/（Minimum allowable parameter value N * 14.7）.
Step 4, main control unit 1 control gasoline ejector oil spout, and it is concretely comprised the following steps：
If current gasoline distributive value is more than maximum allowable gasoline distributive value, gasoline is performed with maximum allowable gasoline distributive value
Injection；If current gasoline distributive value is less than minimum allowable gasoline distributive value, gasoline spray is performed with minimum allowable gasoline distributive value
Penetrate；Otherwise, gasoline injection is performed with current gasoline distributive value.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
1. a kind of dual fuel engine gasoline injection amount control method, it is characterised in that this method comprises the following steps：
Based on engine current operating conditions, obtained and repaiied according to circulation air inflow, engine speed, cylinder temperature and EGR rate
Maximum allowable gasoline distributive value and minimum allowable gasoline distributive value after just；
If current gasoline distributive value is more than maximum allowable gasoline distributive value, gasoline spray is performed with maximum allowable gasoline distributive value
Penetrate；If current gasoline distributive value is less than minimum allowable gasoline distributive value, gasoline injection is performed with minimum allowable gasoline distributive value；
Otherwise, gasoline injection is performed with current gasoline distributive value；
The revised maximum allowable gasoline distributive value of described acquisition is included according to temperature in circulation air inflow, engine speed, cylinder
Degree and EGR rate obtain maximum allowable parameter value M, and maximum allowable gasoline oil spout is obtained according to the maximum allowable parameter value M of acquisition
Amount, described maximum allowable gasoline distributive value=circulation air inflow/(maximum allowable parameter value M*14.7)；
The revised minimum allowable gasoline distributive value of described acquisition is included according to temperature in circulation air inflow, engine speed, cylinder
Degree and EGR rate obtain minimum allowable parameter value N, and minimum allowable gasoline oil spout is obtained according to the minimum allowable parameter value N of acquisition
Amount, described minimum allowable gasoline distributive value=circulation air inflow/(minimum allowable parameter value N * 14.7)；
The maximum allowable parameter value M of acquisition comprises the following steps：
Tabled look-up according to circulation air inflow and engine speed and obtain maximum allowable parameter basis value A；
According to cylinder temperature, the first correction factor as corresponding to fair curve searches the cylinder temperature；And according to EGR rate, by
Fair curve searches the second correction factor corresponding to the EGR rate；
First correction factor and the second correction factor are multiplied by by maximum allowable parameter basis value A respectively, obtain the first correction value B and
Second correction value C；
After being summed to maximum allowable parameter basis value A, the first correction value B and the second correction value C, maximum allowable parameter value M is obtained.
2. dual fuel engine gasoline injection amount control method according to claim 1, it is characterised in that the acquisition is most
Small permission parameter value N comprises the following steps：
Tabled look-up according to circulation air inflow and engine speed and obtain minimum allowable parameter basis value a；
According to cylinder temperature, the first correction factor as corresponding to fair curve searches the cylinder temperature；And according to EGR rate, by
Fair curve searches the second correction factor corresponding to the EGR rate；
First correction factor and the second correction factor are multiplied by by minimum allowable parameter basis value a respectively, obtain the 3rd correction value b and
4th correction value c；
After being summed to minimum allowable parameter basis value a, the 3rd correction value b and the 4th correction value c, minimum allowable parameter value N is obtained.
3. dual fuel engine gasoline injection amount control method according to claim 1, it is characterised in that：In described cylinder
Temperature is obtained by the temperature sensor being placed in cylinder.
4. dual fuel engine gasoline injection amount control method according to claim 1, it is characterised in that：Described EGR
Rate is obtained by capnograph.
5. a kind of dual fuel engine gasoline injection amount control system, it is based on dual fuel engine as claimed in claim 1
Gasoline injection amount control method, and the dual fuel engine gasoline injection amount control system includes main control unit, with main control unit
Connected signal acquisition module, and the gasoline ejector controlled by main control unit, it is characterised in that described signal acquisition mould
Block includes：
Engine speed acquiring unit, master is sent to for obtaining the engine speed under current state, and by engine speed
Control unit；
Air inflow acquiring unit is circulated, for obtaining the air circulation air inflow under current state, and by air circulation air inflow
It is sent to main control unit；
Cylinder temperature acquiring unit, master control is sent to for obtaining the engine cylinder temperature under current state, and by the temperature
Unit；
EGR rate acquiring unit, main control unit is sent to for obtaining the EGR rate under current state, and by the EGR rate of acquisition；
Current gasoline distributive value acquiring unit, passed for obtaining current gasoline distributive value, and by the current gasoline distributive value of acquisition
Deliver to main control unit；
Described dual fuel engine gasoline injection amount control system also includes,
First computing module, to calculate maximum allowable gasoline distributive value, and the maximum allowable of acquisition will be calculated by main control unit
Gasoline distributive value is stored into the first memory module being connected with main control unit；
Second computing module, to calculate minimum allowable gasoline distributive value, and the minimum allowable obtained will be calculated by main control unit
Gasoline distributive value is stored into the second memory module being connected with main control unit；
Comparator, it is connected with main control unit, for by current gasoline distributive value and maximum allowable gasoline distributive value and minimum allowable
Gasoline distributive value is compared.
6. dual fuel engine gasoline injection amount control system according to claim 5, it is characterised in that：In described cylinder
Temperature acquiring unit is using the temperature sensor being placed in cylinder.
7. dual fuel engine gasoline injection amount control system according to claim 5, it is characterised in that：Described EGR
Rate acquiring unit uses capnograph.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150733B (en) * | 2015-03-27 | 2019-05-31 | 长城汽车股份有限公司 | Control method, device and the automobile with the device of dual fuel engine |
| US11454189B2 (en) * | 2015-06-29 | 2022-09-27 | Ford Global Technologies, Llc | Methods and systems for port fuel injection control |
| JP6594825B2 (en) * | 2016-05-27 | 2019-10-23 | 日立オートモティブシステムズ株式会社 | Internal combustion engine control device |
| CN105986917A (en) * | 2016-06-30 | 2016-10-05 | 深圳市元征科技股份有限公司 | Control method and device for oil injection amount of engine |
| CN107992075A (en) * | 2017-12-07 | 2018-05-04 | 智灵飞（北京）科技有限公司 | A kind of oil machine performance monitoring instrument control system and method, gyroplane, unmanned plane |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488848A (en) * | 2002-08-01 | 2004-04-14 | ƽ | Method and system for detecting hydrogen-fuel IC. engine air/fuel ratio |
| CN1576530A (en) * | 2003-07-08 | 2005-02-09 | 日产自动车株式会社 | Combustion control apparatus for internal combustion engine |
| CN1740542A (en) * | 2005-07-21 | 2006-03-01 | 贵州红华科技开发有限公司 | Electronic fuel oil jetting controller and controlling method for double fuel engine |
| CN101131128A (en) * | 2006-08-24 | 2008-02-27 | 通用汽车环球科技运作公司 | Diesel combustion mode switching control strategy and model |
| CN102829837A (en) * | 2012-08-08 | 2012-12-19 | 潍柴动力股份有限公司 | Method, device and system for measurement of oil injection volume |
| CN103670757A (en) * | 2014-01-07 | 2014-03-26 | 王志恒 | Variable frequency fuel injection method for engine |
| CN103899424A (en) * | 2014-03-27 | 2014-07-02 | 哈尔滨工程大学 | Ship dual-fuel-engine speed control system and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3233112B2 (en) * | 1998-10-27 | 2001-11-26 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| JP2000282923A (en) * | 1999-03-31 | 2000-10-10 | Nissan Diesel Motor Co Ltd | Fuel injection amount control device of internal combustion engine |
| JP4449706B2 (en) * | 2004-11-11 | 2010-04-14 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| CN101988440B (en) * | 2010-11-02 | 2013-01-30 | 奇瑞汽车股份有限公司 | Method for controlling oil injection of diesel engine |
| CN102192034B (en) * | 2011-05-03 | 2013-07-24 | 清华大学 | Correcting method for electromagnetic valve of common-rail diesel injector |
| CN103291481B (en) * | 2013-05-24 | 2016-02-17 | 潍柴动力股份有限公司 | A kind of pre-spray controlling method of motor, device and electrical control system for engine |
-
2014
- 2014-10-30 CN CN201410594761.4A patent/CN104454188B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488848A (en) * | 2002-08-01 | 2004-04-14 | ƽ | Method and system for detecting hydrogen-fuel IC. engine air/fuel ratio |
| CN1576530A (en) * | 2003-07-08 | 2005-02-09 | 日产自动车株式会社 | Combustion control apparatus for internal combustion engine |
| CN1740542A (en) * | 2005-07-21 | 2006-03-01 | 贵州红华科技开发有限公司 | Electronic fuel oil jetting controller and controlling method for double fuel engine |
| CN101131128A (en) * | 2006-08-24 | 2008-02-27 | 通用汽车环球科技运作公司 | Diesel combustion mode switching control strategy and model |
| CN102829837A (en) * | 2012-08-08 | 2012-12-19 | 潍柴动力股份有限公司 | Method, device and system for measurement of oil injection volume |
| CN103670757A (en) * | 2014-01-07 | 2014-03-26 | 王志恒 | Variable frequency fuel injection method for engine |
| CN103899424A (en) * | 2014-03-27 | 2014-07-02 | 哈尔滨工程大学 | Ship dual-fuel-engine speed control system and method |
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