WO2005028839A1 - 過渡エンジン性能適合化方法およびシステム - Google Patents
過渡エンジン性能適合化方法およびシステム Download PDFInfo
- Publication number
- WO2005028839A1 WO2005028839A1 PCT/JP2004/013524 JP2004013524W WO2005028839A1 WO 2005028839 A1 WO2005028839 A1 WO 2005028839A1 JP 2004013524 W JP2004013524 W JP 2004013524W WO 2005028839 A1 WO2005028839 A1 WO 2005028839A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- engine
- transient
- control
- test
- model
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/10—Introducing corrections for particular operating conditions for acceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
- G01M15/046—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12 by monitoring revolutions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1423—Identification of model or controller parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/10—Introducing corrections for particular operating conditions for acceleration
- F02D41/107—Introducing corrections for particular operating conditions for acceleration and deceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2432—Methods of calibration
Definitions
- the present invention is used for a transient test of an engine (internal combustion engine).
- the present invention relates to a transient test method and a system for adapting the transient characteristic performance of a diesel engine to a required performance target.
- An object of the present invention is to enable an engine control system that satisfies an engine transient performance target to be constructed in a short time.
- the transient characteristics of an engine refer to the characteristics in the case where the rotational speed and the torque change with time in a steady state such as a constant state. For example, when the vehicle is accelerating or decelerating, the power and rotational speed change, and the characteristics of the engine under the condition , U.
- a control value of a control factor of a certain engine for example, a fuel injection amount, a fuel injection timing, etc.
- a predetermined time for example, (3 minutes) Wait for the passage of time, measure the output of that state, change the control value of one control factor, measure it after a predetermined time after it has reached the steady state, and then control the control factor again It was time-consuming to change the values and take measurements.
- a virtual vehicle model including an engine is created for each vehicle type in a simulator, and various control inputs to the vehicle model, for example, control of force, crank angle, and the like when a slot opening is performed.
- a control value of a factor is input, and an engine speed, a vehicle speed, and a value of an exhaust gas temperature sensor are to be estimated as an output of a virtual vehicle model based on the input control value.
- Patent Document 1 JP-A-11-326135
- a method of deploying a vehicle model including a virtual engine model in a simulator and observing the behavior of the engine using the model is useful in that the time required for engine development can be reduced.
- the above-mentioned known documents aim at creating a simulation model of a vehicle model. It did not evaluate the performance required for more engine transients.
- changing the control value of each control factor of the engine corresponding to the transient state and estimating the result has a problem of poor operability.
- a test is performed on an actual engine in a transient state in which the engine rotational speed, the torque, and the like fluctuate in time series.
- the output data obtained as a result of the test is taken in, and a transient engine model (simulator) that describes the relationship between the engine input and the output is created by associating the control factor with the control value given to the engine.
- the engine is operated transiently by changing the control value of one or a combination of two or more control factors of the engine, and the necessary data is acquired.
- a simulation is performed to determine how to change the control value of a certain control factor to satisfy the target performance, and obtain a control value that satisfies the performance target.
- a transient test is further performed using the actual equipment, and a test is performed to confirm whether the target performance is satisfied.
- the control logic of the engine control circuit ECU is created using the control values used in the simulation of the transient engine model.
- a step of changing a control value of a control factor given to the engine to perform a transient test in which the engine is operated in a transient state and its output is captured, and Creating a transient model of the engine that has been tested based on the relationship between the output data of the engine and the output data and the data of the given control factors; and requesting the engine using the created transient model.
- a step of confirming whether or not the transient performance target required by the confirming step is satisfied.
- Transient engine performance adaptation I ⁇ method includes a step of creating a control software of the circuit [0014]
- an actual machine transient test executing means for executing a transient test by changing a control value of a control factor of an engine, fetching output data of the engine by the transient test, and outputting the output data
- a transient model generating means for generating a transient model describing a relationship between control input and output data of the engine based on the control value given by the actual machine transient test executing means; and a transient model generating means for generating the transient model.
- transient model simulating means for obtaining a control value of a control factor such that the transient model satisfies a performance target required for a transient test of the engine, and a simulation using the simulating means.
- Transient engine performance adaptation I spoon system is provided.
- a transient test can be performed in a transient state without replacing test data in a steady state, and a control value of an engine satisfying a performance target can be acquired in a short time. Also, the man-hours required to create control software for the engine that satisfies the performance target can be reduced, and control software for the engine control circuit can be easily created. According to the present invention, the time for engine development can be shortened, and the time for product development can be shortened.
- FIG. 1 is a diagram showing a system configuration of the present embodiment.
- FIG. 2 is a flowchart showing the operation of the present embodiment.
- FIG. 3 is a view showing actual measured values of a transient test of an actual machine of the present embodiment.
- FIG. 4 is a diagram showing a virtual actually measured value and a target value according to the present embodiment.
- FIG. 5 is a diagram showing a current control value and a target control value of the present embodiment.
- FIG. 1 shows a system configuration according to an embodiment of the present invention.
- FIG. 2 is a diagram illustrating the entire steps of the transient engine performance adaptation process.
- reference numeral 10 denotes an actual machine transient test device
- 11 denotes an ECU (actual machine)
- 12 denotes an engine (actual machine) controlled by the ECU 11
- 13 denotes a rotation detector that detects the number of revolutions of the crankshaft of the engine 12
- Reference numeral 1 denotes a virtual engine test apparatus which is a feature of the present invention
- 2 denotes a model creation unit
- 3 denotes a virtual ECU
- 4 denotes a control value correction unit
- 5 denotes a transient engine model
- Reference numeral 6 denotes an operator terminal used by an operator who performs the transient test.
- the embodiment of the present invention includes a real machine transient test apparatus 10 that changes a control value of an engine control factor and executes a transient test, and an engine output data obtained by the transient test.
- a model creation unit 2 for creating a transient model that describes the relationship between the control input and output data of the engine based on the output data and the control value given by the actual machine transient test device 10;
- a transient model simulation means (portion surrounded by a broken line) for using the transient model generated by the part 2 to obtain a control value of a control factor so that the transient model satisfies a performance target required for a transient test of the engine.
- All the virtual ECUs 3, the transient engine model 5, the control value correction unit 4 and the operator terminal 6 are provided in the virtual engine test apparatus 1, and the control value correction unit 4 uses the virtual ECU 3 It is a transient engine performance adaptation I spoon system, characterized in that the control value of the engine to meet the performance targets obtained by executing with a means for providing the actual transient test device 10 Yureshiyon.
- the control value correction unit 4 operates the control values given to the transient model as time-series data. And means for correcting the control value as it is displayed in the time series and giving it to the transient model.
- the embodiment of the present invention includes a step (S1) of performing a transient test in which the control value of a control factor given to the engine is changed, the engine is operated in a transient state, and the output is taken in. Fetching the output data of the engine by the transient test and creating a transient model of the engine that has been tested based on the relationship between the output data and the data of the given control factor (S2, S4); Obtaining a control value of a control factor that satisfies the required transient performance target using the transient model (S5, S6, S7); and transmitting the control value obtained by the transient model to the actual engine of the engine.
- S1 of performing a transient test in which the control value of a control factor given to the engine is changed, the engine is operated in a transient state, and the output is taken in.
- step (S3) to determine whether the required transient performance target is satisfied by performing the transient test by applying the transient test, and if the required transient performance target is satisfied by the checking step.
- step (S8) of creating control software for a control circuit for controlling the engine
- FIG. 3 shows the measurement results of the transient characteristics using an actual engine.
- the number of grams of NOx per hour (g / h) and the number of grams of smoke per second (g / s) are plotted on the vertical axis, and the horizontal axis is time.
- the EGR control value and VGT control value in this state are plotted on the vertical axis, and the horizontal axis is time.
- these measurements are performed by the measuring unit 14 of the actual machine transient test apparatus 10.
- the flowchart shown in FIG. 2 corresponds to the actual machine transient test (Step S1) and the data processing (Step S2).
- a model is created.
- the configuration shown in FIG. 1 is performed by the model creating unit 2 of the virtual engine test apparatus 1.
- this corresponds to model creation (step S4).
- the actual measurement results of the actual machine are replaced with the models as they are, so a model is created based on the measurement results of the transient characteristics shown in Fig. 3.
- This model is created as a transient engine model 5 and a virtual ECU 3.
- control values for the model are created.
- virtual This is performed by the control value correction unit 4 of the engine test apparatus 1.
- the flowchart shown in FIG. 2 corresponds to obtaining a virtual ECU control value by simulation (step S5), giving the control value to the virtual ECU (step S6), and evaluating (step S7).
- Figure 4 shows the target values (dashed lines) for the virtual measured values of NOx and smoke (solid lines).
- the result of the evaluation is NG.
- control value is corrected so that the virtual measured value approaches the target value.
- the control is performed by the control value correction unit 4 of the virtual engine test apparatus 1.
- the flowchart shown in FIG. 2 corresponds to obtaining a virtual ECU control value by simulation (step S5).
- Figure 5 shows the control values before (solid line) and after (dashed line). This correction is made by the operator.
- the control value is corrected using two methods.
- the first is a method in which the control value itself is changed by the operator terminal 6.
- the second is a method in which the control values given to the transient model as shown in Fig. 5 are displayed as time-series data on the operator terminal 6, and the displayed control values in the time series are corrected and given to the transient model. It is. That is, the operator directly instructs the increase or decrease of the control value using a mouse or the like with respect to the graph shown by the solid line in FIG. 5 displayed on the display device of the operator terminal 6. Thereby, the operator can change the control value while visually confirming the change in the graph shape (for example, the broken line in FIG. 5).
- the control value changed in this way is provided to the virtual ECU 3 again (S6), and is evaluated (S7).
- the corrected control value is input to the ECU 11 of the real machine transient test apparatus 10.
- the actual engine is controlled by the corrected control value.
- steps Sl, S2, and S3 of the flowchart shown in FIG. 2 are executed again.
- steps S1 to S7 are repeatedly executed until the actual measurement value and the target value fall within the allowable range.
- actual machine ECU control software is created.
- the control is performed by the control value correction unit 4 of the virtual engine test apparatus 1.
- the flowchart shown in FIG. 2 corresponds to the creation of ECU control software for the actual machine (step S8). As a result, a control value in which the measured value and the target value fall within the allowable range can be created in a short time.
- a transient test can be performed in a transient state without replacing test data in a steady state, and a control value of an engine that satisfies a performance target can be acquired in a short time. Also, the man-hours for creating engine control software that satisfies the performance target can be reduced, and the creation of engine control circuit control software can be facilitated. According to the present invention, the time for engine development can be shortened, and the time for product development can be shortened.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04773182A EP1669581A4 (en) | 2003-09-17 | 2004-09-16 | METHOD AND SYSTEM FOR ADAPTING INSTALLED MOTOR POWER |
US10/571,920 US7349795B2 (en) | 2003-09-17 | 2004-09-16 | Method and system for adaptation of transient engine performance |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003324878A JP2005090353A (ja) | 2003-09-17 | 2003-09-17 | 過渡エンジン性能適合化方法およびシステム |
JP2003-324878 | 2003-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005028839A1 true WO2005028839A1 (ja) | 2005-03-31 |
Family
ID=34372759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013524 WO2005028839A1 (ja) | 2003-09-17 | 2004-09-16 | 過渡エンジン性能適合化方法およびシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US7349795B2 (ja) |
EP (1) | EP1669581A4 (ja) |
JP (1) | JP2005090353A (ja) |
KR (1) | KR20060073959A (ja) |
CN (1) | CN1853038A (ja) |
WO (1) | WO2005028839A1 (ja) |
Cited By (1)
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CN104677636A (zh) * | 2015-01-29 | 2015-06-03 | 四川诚邦测控技术有限公司 | 一种基于发动机瞬态特性的综合性能测试系统 |
Families Citing this family (14)
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JP4547239B2 (ja) * | 2004-11-16 | 2010-09-22 | 株式会社エー・アンド・デイ | エンジン計測装置 |
JP4437742B2 (ja) * | 2004-12-03 | 2010-03-24 | 日野自動車株式会社 | 過渡エンジン性能適合化方法およびシステム |
JP2009192418A (ja) * | 2008-02-15 | 2009-08-27 | Showa Kiki Kogyo Co Ltd | 送液管の漏洩検知システム |
US20120082967A1 (en) * | 2010-09-30 | 2012-04-05 | Roy Lee Stone | Method and system for training a gas turbine engine test cell operator |
CN103364196B (zh) * | 2012-03-30 | 2016-08-10 | 广西玉柴机器股份有限公司 | 发动机瞬态性能定扭矩转速提升测试方法 |
CN103234760B (zh) * | 2013-03-30 | 2015-10-28 | 长城汽车股份有限公司 | 一种判定发动机原始排放性能一致性的测试方法 |
CN103698132B (zh) * | 2013-08-02 | 2016-08-17 | 道依茨一汽(大连)柴油机有限公司 | 一种柴油机试验方法 |
DE102014213185A1 (de) * | 2014-07-08 | 2016-01-14 | Ford Global Technologies, Llc | Vorrichtung und Verfahren zum Einstellen von Motorsteuerparametern eines Verbrennungsmotors |
KR102644366B1 (ko) * | 2018-08-27 | 2024-03-07 | 현대자동차주식회사 | 엔진 가상시험환경 시스템 및 ems 매핑 방법 |
FR3095270B1 (fr) * | 2019-04-18 | 2021-04-16 | Psa Automobiles Sa | Procédé de calibration des compensations de richesse en phase de transitoire de charge dans un groupe motopropulseur à moteur thermique |
US11790126B2 (en) * | 2019-12-19 | 2023-10-17 | Caterpillar Inc. | Method and system for internal combustion engine simulation |
CN113588270B (zh) * | 2021-06-18 | 2024-04-16 | 东风汽车集团股份有限公司 | 一种检测涡轮增压电控执行器的方法及装置 |
US11313302B1 (en) * | 2021-07-06 | 2022-04-26 | Hyundai Motor Company | Engine idle speed optimization |
KR102586820B1 (ko) * | 2023-06-27 | 2023-10-11 | 주식회사 드림에이스 | 가상 ecu 검증 시스템 및 이의 오차 보정 방법 |
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JPH05288115A (ja) * | 1992-04-03 | 1993-11-02 | Nissan Motor Co Ltd | 疑似信号発生装置 |
JPH11326135A (ja) * | 1998-05-14 | 1999-11-26 | Fujitsu Ten Ltd | 車両用エンジン制御装置の評価装置 |
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2003
- 2003-09-17 JP JP2003324878A patent/JP2005090353A/ja active Pending
-
2004
- 2004-09-16 EP EP04773182A patent/EP1669581A4/en not_active Withdrawn
- 2004-09-16 WO PCT/JP2004/013524 patent/WO2005028839A1/ja active Application Filing
- 2004-09-16 KR KR1020067005233A patent/KR20060073959A/ko not_active Application Discontinuation
- 2004-09-16 US US10/571,920 patent/US7349795B2/en not_active Expired - Fee Related
- 2004-09-16 CN CNA2004800267248A patent/CN1853038A/zh active Pending
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JPH05288115A (ja) * | 1992-04-03 | 1993-11-02 | Nissan Motor Co Ltd | 疑似信号発生装置 |
JPH11326135A (ja) * | 1998-05-14 | 1999-11-26 | Fujitsu Ten Ltd | 車両用エンジン制御装置の評価装置 |
JP2000257499A (ja) * | 1999-03-04 | 2000-09-19 | Nissan Diesel Motor Co Ltd | コンピュータによる車両走行シミュレーション演算方法 |
JP2002245092A (ja) * | 2001-02-20 | 2002-08-30 | Toyota Central Res & Dev Lab Inc | コンピュータ支援設計方法、コンピュータ支援設計プログラムおよび記録媒体 |
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Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104677636A (zh) * | 2015-01-29 | 2015-06-03 | 四川诚邦测控技术有限公司 | 一种基于发动机瞬态特性的综合性能测试系统 |
Also Published As
Publication number | Publication date |
---|---|
EP1669581A1 (en) | 2006-06-14 |
JP2005090353A (ja) | 2005-04-07 |
US7349795B2 (en) | 2008-03-25 |
KR20060073959A (ko) | 2006-06-29 |
CN1853038A (zh) | 2006-10-25 |
US20070156323A1 (en) | 2007-07-05 |
EP1669581A4 (en) | 2011-09-07 |
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