CN108757264A - A method of obtaining coke-oven gas engine Optimum spark advance angle - Google Patents
A method of obtaining coke-oven gas engine Optimum spark advance angle Download PDFInfo
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- CN108757264A CN108757264A CN201810385681.6A CN201810385681A CN108757264A CN 108757264 A CN108757264 A CN 108757264A CN 201810385681 A CN201810385681 A CN 201810385681A CN 108757264 A CN108757264 A CN 108757264A
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- coke
- gas engine
- oven gas
- advance angle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
Abstract
The invention discloses a kind of methods obtaining coke-oven gas engine Optimum spark advance angle.Common ignition advance angle optimization method MBT does not take into account emission performance, when being applied to coke-oven gas engine, the discharge of nitrogen oxides can be caused to severely exceed.The present invention using by gasoline engine be transformed come coke-oven gas engine, in conjunction with dynamometer machine, emission analyzer and Combustion tester, study affecting laws of the different operating mode down-firing advance angles to engine power performance, emission performance, and ignition advance angle optimization algorithm is utilized accordingly, the final Optimum spark advance angle established single goal solving model, and be calculated under each operating mode.The present invention obtains the igniting MAP chart of the writable ECU of Optimum spark advance angle, is used for the practical control of coke-oven gas engine.
Description
Technical field
The invention belongs to engine field of engineering technology, it is related to a kind of coke-oven gas engine Optimum spark advance angle that obtains
Method is suitable for coke-oven gas engine.When engine for combusting oven gas, in this way, engine can be obtained in each work
The Optimum spark advance angle of dynamic property and emission performance is taken into account under condition, and by the re-calibration to MAP chart of lighting a fire in ECU, makes it
It may be directly applied to coke-oven gas engine.
Background technology
With the fast development of auto industry, huge energy consumption has threatened the energy safety of supply of country, together
When, a large amount of tail gas of discharge have also directly threatened ecological environment and human health.Cleaning Vehicle Alternative Fuels have become various countries
The important topic of research, wherein Aalcohols fuel and gaseous fuel are most widely used substitute fuels, but compared to Aalcohols fuel,
Gaseous fuel is all many-sided with huge advantage in resource, economy, discharge, safety etc., is the preferred substitute fuel of current automobile.
As big coal country, the huge coking byproduct oven gas of yield is (rich in fuel gas such as hydrogen, methane and carbon monoxide)
A kind of ideal cleaning Vehicle Alternative Fuels.
Currently, coke-oven gas engine is to directly improve gained on the basis of gasoline engine, it remains the control of gasoline engine
Strategy determines fuel according to duty parameters such as throttle opening, admission pressure and engine speed by searching for MAP chart
Injection pulse width and ignition advance angle.In actual use, due to the particularity of oven gas physicochemical characteristic, dynamic property and emission performance
There are bigger differences with gasoline engine：In terms of dynamic property, oven gas stoichiometric mixture volume calorific value small compared with gasoline 15% is left
The right side, and in intake port injection engine, gaseous fuel can cause coefficient of charge to decline, therefore, coke-oven gas engine dynamic property
It decreased significantly compared with gasoline engine；In terms of discharge, since oven gas is rich in hydrogen, burning velocity is fast, and ignition temperature is high, can cause
The hydrocarbon discharge capacity with carbon monoxide is decreased obviously, but hot environment provides ecotopia for the generation of nitrogen oxides, therefore,
The discharge capacity of nitrogen oxides can be significantly increased compared with gasoline engine.In conclusion gasoline engine is changed to after coke-oven gas engine, need pair
Ignition advance angle is re-scaled.
Currently, common ignition advance angle optimization method is MBT (Maximum Brake Torque) optimization, that is, is selected
Ignition advance angle when engine torque maximum is as advance angle of engine ignition.The ignition advance angle determined using this method
The dynamic property of engine is considered, and does not take into account emission performance, when being applied to coke-oven gas engine, nitrogen oxides will certainly be caused
Discharge severely exceed, bring serious pollution to air.
Invention content
The purpose of the present invention is to propose to a kind of methods obtaining coke-oven gas engine Optimum spark advance angle, using by gasoline
The coke-oven gas engine of machine transformation studies different operating modes in conjunction with equipment such as dynamometer machine, emission analyzer, Combustion testers
Down-firing advance angle utilizes ignition advance angle optimization algorithm accordingly to the affecting laws of engine power performance, emission performance etc.,
The final Optimum spark advance angle established single goal solving model, and be calculated under each operating mode.The ignition advance angle can lead to
The igniting MAP chart for crossing calibration software write-in ECU, is used for the practical control of coke-oven gas engine.
The technical solution adopted by the present invention：
A kind of method obtaining coke-oven gas engine Optimum spark advance angle of the present invention, is as follows：
The first step：First, it by the operating condition of Dynamometer Control coke-oven gas engine, while obtaining under each operating mode
The torque of coke-oven gas engine；Acquisition and control system controls ignition advance angle, and determines that oven gas is sent out under each operating mode
The electronic spark advance angular region of motivation stable operation, steady operational status is no pinking, and rotating speed and power swing range are 5%
Within.Secondly, when obtaining catalyst converter inlet by emission analyzer measurement and correspond to different ignition advance angles under each operating mode
Nitrogen oxides, carbon monoxide and hydrocarbon emission object concentration.Again, it is acquired and is analyzed by Combustion tester and is calculated every
Coke-oven gas engine in-cylinder combustion information when different ignition advance angles, including in-cylinder pressure and heat liberation rate, heat release rate are corresponded under a operating mode.
Finally, by acquisition and control system, coke-oven gas engine when corresponding to different ignition advance angles under each operating mode is read
Torque, nitrogen oxides, carbon monoxide and hydrocarbon emission object concentration and coke-oven gas engine in-cylinder combustion information.
Second step：First, dense according to the torque of coke-oven gas engine and nitrogen oxides, carbon monoxide and hydrocarbon emission object
Variation relation when degree corresponds to different ignition advance angles under each operating mode, fits polynomial mathematical model.Secondly, in coke oven
Under the premise of gas engine stabilizer is run, using ignition advance angle as Optimal Parameters, the torque for obtaining coke-oven gas engine is maximum, nitrogen
Oxide, carbon monoxide and the minimum optimization aim of hydrocarbon emission object concentration, establish Model for Multi-Objective Optimization.Again, using commenting
Valence function establishes single goal model, specially：The evaluation function for establishing ignition advance angle is as follows：
Wherein, g (θign) it is evaluation index, αiFor fi(θign) corresponding weight, if α1=α2=0.4, α3=α4=0.1,
α1For the weight of coke-oven gas engine torque, α2For the weight of nitrogen oxide emission, α3For the weight of CO emission,
α4The upper limit for the weight of hydrocarbon emission amount, ignition advance angle is pinking critical point KTA, and lower limit is steady operation critical point SCP,
Steady-working state is rotating speed and the power swing range of coke-oven gas engine within 5%, f1(θign) represent oven gas hair
The torque fitting function of motivation, f2(θign) represent nitrogen oxide emission fitting function, f3(θign) represent CO emission
Fitting function, f4(θign) represent hydrocarbon emission amount fitting function.
Finally, Optimum spark advance angle is obtained according to single goal model solution, it is specific as follows：To fi(θign) in magnitude and
Difference in dimension is normalized：
Wherein, best (fi) it is fi(θign) ideal value under current working and in electronic spark advance angular region, best
(f1)=max (f1(θign)), best (f2)=min (f2(θign)), best (f3)=min (f3(θign)), best (f4)=min
(f4(θign))；
Use hi(θign) substitute fi(θign), it is as follows finally to establish evaluation function model：
Then the Optimum spark advance angle of current working is calculated.
The torque of coke-oven gas engine when corresponding to different ignition advance angles under each operating mode, nitrogen oxides, an oxidation
Carbon and hydrocarbon emission object concentration and coke-oven gas engine in-cylinder combustion information are all made of repeatedly to measure and be averaged as final
As a result, pendulous frequency takes ten times or more.
The fitting of polynomial mathematical model is specific as follows：
F is fitted using wheat quart method and general global optimization approachi(θign), fi(θign) represent it is right under each operating mode
Answer the polynomial fit function of different ignition advance angles, formula as follows：
fi(θign)=P1+P2·θign+P3·θign 2+P4·θign 3
Wherein, θignRepresent ignition advance angle；P1、P2、P3、P4For polynomial coefficient after fitting；fi(θign) represent fitting
The uniform expression of function, i=1,2,3,4, it is specific as follows：
TqThe torque of coke-oven gas engine is represented, NOx represents nitrogen oxide emission, and CO represents CO emission,
THC represents hydrocarbon emission amount；f1(θign) and the coke-oven gas engine of acquisition and control system reading is turned round under each operating mode
Related coefficient, the f of square value2(θign) and the nitrogen oxide emission of acquisition and control system reading under each operating mode
Related coefficient, f3(θign) and under each operating mode acquisition and control system read CO emission phase relation
Number, f4(θign) and the related coefficient of the hydrocarbon emission amount of acquisition and control system reading is all higher than under each operating mode
0.98。
The beneficial effects of the present invention are：
(1) Optimum spark advance angle that the present invention obtains takes into account dynamic property and emission performance.
(2) algorithm that the present invention designs, can quick obtaining Optimum spark advance angle.
Description of the drawings
Fig. 1 is the system block diagram of present invention acquisition coke-oven gas engine performance indicator data.
Fig. 2 is the particular flow sheet of the present invention.
Specific implementation mode
It further illustrates the present invention below in conjunction with the accompanying drawings.
As shown in Fig. 2, a kind of method obtaining coke-oven gas engine Optimum spark advance angle of the present invention, specific steps are such as
Under：
The first step：Determine coke-oven gas engine stable operation (no pinking, and rotating speed and power swing model under different operating modes
Enclose within 5%) electronic spark advance angular region.
As shown in Figure 1, coke-oven gas engine 1 is transformed on the basis of gasoline engine, the fuel of coke-oven gas engine 1
Feed system includes oven gas gas tank 2 and pressure reducing valve 3.First, the operating condition of coke-oven gas engine is controlled by dynamometer machine 4
(duty parameter is rotating speed and power), while obtaining the torque of the coke-oven gas engine under each operating mode；Data acquire and control
System 8 controls ignition advance angle, and determines coke-oven gas engine stable operation (no pinking, and rotating speed and power under each operating mode
Fluctuation range is within 5%, and pinking can be analyzed by Combustion tester 7 and be obtained, and rotating speed can be shown with power by dynamometer machine 4
Numerical value directly obtains) electronic spark advance angular region.Secondly, it is measured and is urged by emission analyzer (also referred to as exhaust analyzer) 5
Nitrogen oxides, carbon monoxide and hydrocarbon emission object when 6 inlet of change device corresponds to different ignition advance angles under each operating mode is dense
Degree.Again, it is acquired by Combustion tester 7 and analyzes the coke being calculated when corresponding to different ignition advance angles under each operating mode
Furnace gas engine in-cylinder combustion information, including in-cylinder pressure and heat liberation rate, heat release rate；When corresponding to different ignition advance angles under each operating mode
Coke-oven gas engine torque, nitrogen oxides, carbon monoxide and hydrocarbon emission object concentration and coke-oven gas engine cylinder internal combustion
Burning information, which is all made of repeatedly to measure, is averaged the accuracy that test data is improved as final result, and pendulous frequency takes ten times
More than.Finally, by acquisition and control system 8, oven gas when corresponding to different ignition advance angles under each operating mode is read
The torque of engine, nitrogen oxides, carbon monoxide and hydrocarbon emission object concentration and coke-oven gas engine in-cylinder combustion information.
Second step：Fit polynomial mathematical model.
To reduce model complexity, while calculation amount is reduced, saves and calculate cost, it is excellent using wheat quart method and the general overall situation
Change algorithm and fits fi(θign), fi(θign) polynomial fit function that different ignition advance angles are corresponded under each operating mode is represented,
Formula is as follows：
fi(θign)=P1+P2·θign+P3·θign 2+P4·θign 3
Wherein, θignRepresent ignition advance angle；P1、P2、P3、P4For polynomial coefficient after fitting；fi(θign) represent fitting
The uniform expression of function, i=1,2,3,4, it is specific as follows：
TqThe torque of coke-oven gas engine is represented, NOx represents nitrogen oxide emission, and CO represents CO emission,
THC represents hydrocarbon emission amount；f1(θign) represent the torque fitting function of coke-oven gas engine, f2(θign) represent nitrogen oxides row
High-volume fitting function, f3(θign) represent CO emission fitting function, f4(θign) hydrocarbon emission amount fitting function is represented,
f1(θign) and under each operating mode acquisition and control system 8 read coke-oven gas engine torque value related coefficient, f2
(θign) and under each operating mode acquisition and control system 8 read nitrogen oxide emission related coefficient, f3(θign)
With related coefficient, the f of the CO emission that acquisition and control system 8 is read under each operating mode4(θign) and every
The related coefficient for the hydrocarbon emission amount that acquisition and control system 8 is read under a operating mode is all higher than 0.98.
Third walks：Establish Model for Multi-Objective Optimization.
The optimization aim of ignition advance angle is that maximum move is obtained under the premise of ensureing coke-oven gas engine stable operation
Power and minimum discharge, mathematic(al) representation are as follows：
Wherein, the upper limit of ignition advance angle is pinking critical point KTA (Knock Threshold Angle), and lower limit is steady
Determine operating critical point SCP (Stable Critical Point), steady-working state is the rotating speed and power of coke-oven gas engine
For fluctuation range within 5%, max represents maximizing, and min representatives are minimized.Therefore, formula (1) is further expressed as：
4th step：Single goal model is established using evaluation function method.
It introduces weight to be distinguish the significance level of each performance indicator, establishes the evaluation function of ignition advance angle such as
Under：
Wherein, g (θign) it is evaluation index, αiFor fi(θign) corresponding weight.
In coke-oven gas engine, dynamic property and discharge in nitrogen oxides it is mostly important, therefore, if engine torque with
The weight of nitrogen oxide emission is 0.4 (α1=α2=0.4), the weight of carbon monoxide and hydrocarbon emission amount is 0.1 (α3=α4
=0.1).
5th step：Single goal model solution obtains Optimum spark advance angle.
Since the unit of each performance indicator is different, and magnitude differences are huge, to eliminate this factor to linear weighted function institute
The influence of generation, need to be to each fitting function fi(θign) difference in magnitude and dimension is normalized, it is specific as follows：
Wherein, best (fi) it is fi(θign) ideal value under current working and in electronic spark advance angular region, according to
Fitting of a polynomial result is calculated in two steps, i.e. best (f1)=max (f1(θign)), best (f2)=min (f2(θign)),
best(f3)=min (f3(θign)), best (f4)=min (f4(θign))。
Use hi(θign) substitute fi(θign), it is as follows finally to establish evaluation function model：
Then the Optimum spark advance angle of current working is calculated.
Claims (4)
1. a kind of method obtaining coke-oven gas engine Optimum spark advance angle, it is characterised in that：This method is as follows：
The first step：First, by the operating condition of Dynamometer Control coke-oven gas engine, while the coke oven under each operating mode is obtained
The torque of gas engine；Acquisition and control system controls ignition advance angle, and determines coke-oven gas engine under each operating mode
The electronic spark advance angular region of stable operation, steady operational status are no pinking, and rotating speed and power swing range 5% with
It is interior；Secondly, it is obtained when catalyst converter inlet corresponds to different ignition advance angles under each operating mode by emission analyzer measurement
Nitrogen oxides, carbon monoxide and hydrocarbon emission object concentration；Again, it is acquired and is analyzed by Combustion tester and is calculated each
Coke-oven gas engine in-cylinder combustion information when different ignition advance angles, including in-cylinder pressure and heat liberation rate, heat release rate are corresponded under operating mode；Most
Afterwards, by acquisition and control system, coke-oven gas engine when corresponding to different ignition advance angles under each operating mode is read
Torque, nitrogen oxides, carbon monoxide and hydrocarbon emission object concentration and coke-oven gas engine in-cylinder combustion information；
Second step：First, existed according to the torque of coke-oven gas engine and nitrogen oxides, carbon monoxide and hydrocarbon emission object concentration
Variation relation when different ignition advance angles is corresponded under each operating mode, fits polynomial mathematical model；Secondly, it is sent out in oven gas
Under the premise of motivation stable operation, using ignition advance angle as Optimal Parameters, the torque for obtaining coke-oven gas engine is maximum, nitrogen oxidation
Object, carbon monoxide and the minimum optimization aim of hydrocarbon emission object concentration, establish Model for Multi-Objective Optimization；Again, using evaluation letter
Number establishes single goal model, specially：The evaluation function for establishing ignition advance angle is as follows：
Wherein, g (θign) it is evaluation index, αiFor fi(θign) corresponding weight, if α1=α2=0.4, α3=α4=0.1, α1For coke
The weight of furnace gas engine torque, α2For the weight of nitrogen oxide emission, α3For the weight of CO emission, α4For carbon
The upper limit of the weight of hydrogen discharge capacity, ignition advance angle is pinking critical point KTA, and lower limit is steady operation critical point SCP, stablizes work
Make rotating speed and power swing range that state is coke-oven gas engine within 5%, f1(θign) represent coke-oven gas engine
Torque fitting function, f2(θign) represent nitrogen oxide emission fitting function, f3(θign) represent CO emission fitting letter
Number, f4(θign) represent hydrocarbon emission amount fitting function；
Finally, Optimum spark advance angle is obtained according to single goal model solution, it is specific as follows：To fi(θign) in magnitude and dimension
Difference be normalized：
Wherein, best (fi) it is fi(θign) ideal value under current working and in electronic spark advance angular region, best (f1)=
max(f1(θign)), best (f2)=min (f2(θign)), best (f3)=min (f3(θign)), best (f4)=min (f4
(θign))；
Use hi(θign) substitute fi(θign), it is as follows finally to establish evaluation function model：
Then the Optimum spark advance angle of current working is calculated.
2. a kind of method obtaining coke-oven gas engine Optimum spark advance angle according to claim 1, it is characterised in that：
The torque of coke-oven gas engine when corresponding to different ignition advance angles under each operating mode, nitrogen oxides, carbon monoxide and hydrocarbon
Emissions concentration and coke-oven gas engine in-cylinder combustion information are all made of repeatedly to measure and be averaged as final result, survey
Amount number takes ten times or more.
3. a kind of method obtaining coke-oven gas engine Optimum spark advance angle according to claim 1 or 2, feature exist
In：The fitting of the polynomial mathematical model is specific as follows：
F is fitted using wheat quart method and general global optimization approachi(θign), fi(θign) represent under each operating mode it is corresponding not
With the polynomial fit function of ignition advance angle, formula is as follows：
fi(θign)=P1+P2·θign+P3·θign 2+P4·θign 3
Wherein, θignRepresent ignition advance angle；P1、P2、P3、P4For polynomial coefficient after fitting；fi(θign) represent fitting function
Uniform expression, i=1,2,3,4, it is specific as follows：
TqThe torque of coke-oven gas engine is represented, NOx represents nitrogen oxide emission, and CO represents CO emission, THC generations
Table hydrocarbon emission amount.
4. a kind of method obtaining coke-oven gas engine Optimum spark advance angle according to claim 3, it is characterised in that：
f1(θign) and under each operating mode acquisition and control system read coke-oven gas engine torque value related coefficient, f2
(θign) and under each operating mode acquisition and control system read nitrogen oxide emission related coefficient, f3(θign) and
Related coefficient, the f for the CO emission that acquisition and control system is read under each operating mode4(θign) and each
The related coefficient for the hydrocarbon emission amount that acquisition and control system is read under operating mode is all higher than 0.98.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610385A (en) * | 2020-12-31 | 2021-04-06 | 重庆隆鑫通航发动机制造有限公司 | Device and method for measuring ignition advance angle of engine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04153579A (en) * | 1990-10-16 | 1992-05-27 | Nok Corp | Ignition controller |
| US20030150424A1 (en) * | 2002-02-08 | 2003-08-14 | Kohn Min | Method and system for controlling engine ignition timing |
| CN101333961A (en) * | 2008-08-07 | 2008-12-31 | 清华大学 | Hydrogen gas natural gas mixed fuel engine optimizing method |
| CN104033310A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Method for adjusting ignition advance angle of coke-oven gas engine by means of component detection |
| CN203939615U (en) * | 2014-06-12 | 2014-11-12 | 浙江大学 | A kind of circuit of being adjusted coke-oven gas engine ignition advance angle by composition detection |
| CN104200271A (en) * | 2014-08-22 | 2014-12-10 | 华南农业大学 | Multi-objective optimization algorithm for engine |
| CN104598654A (en) * | 2014-10-07 | 2015-05-06 | 芜湖扬宇机电技术开发有限公司 | Ignition advance angle prediction system and method thereof |
| CN105116730A (en) * | 2015-08-21 | 2015-12-02 | 华北水利水电大学 | Hydrogen fuel engine ignition advance angle optimization system based on particle swarm fuzzy neural network, and optimization method thereof |
-
2018
- 2018-04-26 CN CN201810385681.6A patent/CN108757264B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04153579A (en) * | 1990-10-16 | 1992-05-27 | Nok Corp | Ignition controller |
| US20030150424A1 (en) * | 2002-02-08 | 2003-08-14 | Kohn Min | Method and system for controlling engine ignition timing |
| CN101333961A (en) * | 2008-08-07 | 2008-12-31 | 清华大学 | Hydrogen gas natural gas mixed fuel engine optimizing method |
| CN104033310A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Method for adjusting ignition advance angle of coke-oven gas engine by means of component detection |
| CN203939615U (en) * | 2014-06-12 | 2014-11-12 | 浙江大学 | A kind of circuit of being adjusted coke-oven gas engine ignition advance angle by composition detection |
| CN104200271A (en) * | 2014-08-22 | 2014-12-10 | 华南农业大学 | Multi-objective optimization algorithm for engine |
| CN104598654A (en) * | 2014-10-07 | 2015-05-06 | 芜湖扬宇机电技术开发有限公司 | Ignition advance angle prediction system and method thereof |
| CN105116730A (en) * | 2015-08-21 | 2015-12-02 | 华北水利水电大学 | Hydrogen fuel engine ignition advance angle optimization system based on particle swarm fuzzy neural network, and optimization method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 何明山等: "点火提前角对焦炉气天然气混燃发动机燃烧特性的影响分析", 《中国安全生产科学技术》 * |
| 何海斌: "内燃机燃用焦炉气的燃烧过程仿真及性能优化研究", 《中国博士学位论文全文数据库（电子期刊）》 * |
| 刘晓晨: "焦炉气发动机工作过程数值模拟及性能优化研究", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
| 曹博: "焦炉气燃料发动机工作过程数值模拟与参数优化", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610385A (en) * | 2020-12-31 | 2021-04-06 | 重庆隆鑫通航发动机制造有限公司 | Device and method for measuring ignition advance angle of engine |
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