CN114592977A - Dual-fuel engine control method and system - Google Patents
Dual-fuel engine control method and system Download PDFInfo
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- CN114592977A CN114592977A CN202210166863.0A CN202210166863A CN114592977A CN 114592977 A CN114592977 A CN 114592977A CN 202210166863 A CN202210166863 A CN 202210166863A CN 114592977 A CN114592977 A CN 114592977A
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- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
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- 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
- F02D41/2409—Addressing techniques specially adapted therefor
- F02D41/2422—Selective use of one or more tables
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- 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
- F02D41/30—Controlling fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0414—Air temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a control method of a dual-fuel engine, which comprises the following steps: judging the current working condition of the engine; inquiring a substitution rate MAP according to working parameters of the current engine working condition to obtain a current substitution rate, and calculating an original machine torque and a substitution torque under the current substitution rate, wherein the total required torque is the original machine torque plus the substitution torque; inquiring the original machine torque and the fuel injection quantity meter based on the original machine torque to obtain the original machine fuel injection quantity of the current substitution rate; inquiring a rotating speed and a substituted fuel table based on the substituted torque and the rotating speed of the engine to obtain a substituted fuel injection quantity of the current substitution rate; and controlling the alternative fuel injector and the original machine fuel injector according to the original machine fuel injection quantity and the alternative fuel injection quantity. The invention also discloses a control system of the dual-fuel engine. The invention can realize the accurate control of the dual-fuel injection quantity on the premise of not modifying the system hardware of the dual-fuel engine, has low cost compared with the prior art, and is beneficial to the wide application of the dual-fuel engine.
Description
Technical Field
The invention relates to the field of engine control, in particular to a control method of a dual-fuel engine. And, a dual fuel engine control system.
Background
The important source of the fuel oil of the internal combustion engine is petroleum, in recent years, the automobile reserve of China continuously increases at a high speed, meanwhile, the petroleum consumption is steadily improved, and in the face of the increasingly severe petroleum problem, the search for suitable automobile alternative energy is an important means for guaranteeing the healthy development of the automobile industry of China. Meanwhile, the emission regulation of the internal combustion engine is gradually strict and gradually moves to six stages of China, which is the most severe regulation worldwide at present. Finding an alternative fuel that improves the emissions performance of internal combustion engines is an effective means of dealing with more stringent regulations. With the development of technology, a plurality of dual-fuel products are developed, natural gas, alcohol fuel and hydrogen fuel become one of a plurality of dual-fuel products, and the products have certain advantages in the aspects of economy and emission compared with a single-fuel engine, so that the development of the dual-fuel engine has good economic advantages and environmental advantages.
At present, many dual-fuel products are modified on the basis of an original machine (a single-fuel engine), and an alternative fuel supply system and an electronic control system are generally required to be additionally arranged for controlling the injection of the original machine fuel and the alternative fuel. Because most of the original machine controller control programs are not open source, the specific control logic is unknown, and the original machine fuel injection cannot be directly controlled, the existing solutions are roughly two types:
1) acquiring an original machine fuel injection signal through additional hardware equipment to judge the original machine fuel injection condition, further reducing the original machine fuel injection pulse width in proportion according to the substitution rate calculated by the dual-fuel controller, and then outputting the original machine fuel injection signal to control an original machine fuel injector;
2) the two controllers are connected through a real-time communication technology, and the dual-fuel controller receives an oil injection parameter signal of the original machine controller and then outputs an injection signal of the original machine fuel and an injection signal of the alternative fuel to control the dual-fuel injector.
However, the above two methods have respective limitations, and require additional hardware devices or are difficult to implement by the technology itself, so that the wide application of the dual-fuel engine is limited.
Disclosure of Invention
In the summary section a series of simplified form concepts are introduced, which are all simplifications of the prior art in this field, which will be further detailed in the detailed description section. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The invention aims to solve the technical problem of providing a control method of a dual-fuel engine, which can accurately control the dual-fuel injection quantity on the premise of not modifying the hardware of the dual-fuel engine system.
The invention also provides a dual-fuel engine control system which can accurately control the dual-fuel injection quantity on the premise of not modifying the hardware of the dual-fuel engine system.
In order to solve the technical problem, the invention provides a control method of a dual-fuel engine, which is characterized by comprising the following steps:
s1, judging the current engine working condition;
s2, inquiring a substitution rate MAP graph according to working parameters of the current engine working condition to obtain a current substitution rate, and calculating the original machine torque and the substitution torque under the current substitution rate, wherein the total required torque is the original machine torque plus the substitution torque;
s3, inquiring the original engine torque and the fuel injection quantity meter based on the original engine torque to obtain the original engine fuel injection quantity of the current substitution rate;
inquiring a rotating speed and a substituted fuel table based on the substituted torque and the rotating speed of the engine to obtain a substituted fuel injection quantity of the current substitution rate;
s4, controlling the alternative fuel injector and the original machine fuel injector according to the original machine fuel injection quantity and the alternative fuel injection quantity;
wherein, the substitution rate MAP chart, the original engine torque and fuel injection meter, the rotating speed and the substituted fuel meter can be obtained by calibration.
Optionally, the control method of the dual-fuel engine is further improved, and when step S1 is implemented, the current engine working condition is judged according to the current engine speed and the accelerator position;
the engine operating conditions include: the system comprises a stopping working condition, a starting working condition, an idling working condition, a normal running working condition, a rapid acceleration working condition, a rapid deceleration working condition and an overspeed working condition. It should be noted that the division conditions of the rotating speed and the accelerator position can be specified according to different engine parameters and accelerator strokes of various manufacturers.
Optionally, the method for controlling the dual-fuel engine is further improved, and the working parameters of the current engine working condition comprise: crankshaft position, camshaft position, cooling water temperature, intake pressure and intake air temperature at the intake pipe.
Optionally, the control method of the dual-fuel engine is further improved, and the original engine torque is (1-substitution rate) the external characteristics of the engine;
the substitute torque is a substitute rate of the engine external characteristic;
the engine external characteristic is obtained by inquiring a corresponding engine external characteristic curve, and the engine external characteristic curve is provided by an engine manufacturer.
In order to solve the above technical problem, the present invention provides a dual-fuel engine control system, including:
the sensor assembly is used for acquiring working parameters of the current engine working condition and sending the working parameters of the current engine working condition to the dual-fuel controller;
the dual-fuel controller judges the current engine working condition according to the working parameters of the current engine working condition, queries a substitution rate MAP graph according to the working parameters of the current engine working condition to obtain the current substitution rate, calculates the original machine torque and the substitution torque under the current substitution rate, and sends the original machine torque to the original machine controller, wherein the total required torque is the original machine torque plus the substitution torque;
and, obtaining a surrogate fuel injection amount for the current surrogate rate based on the surrogate torque and the engine speed look-up speed and surrogate fuel table;
the original machine controller is used for inquiring the original machine torque and the fuel injection quantity meter based on the original machine torque to obtain the original machine fuel injection quantity of the current substitution rate;
a raw engine fuel injector that performs fuel injection according to the raw engine fuel injection amount;
an alternative fuel injector that performs fuel injection according to the alternative fuel injection amount.
Optionally, the dual fuel engine control system of further improvement, the sensor assembly comprising: a crankshaft sensor, a camshaft sensor, a cooling water temperature sensor, and an intake pressure temperature sensor.
Optionally, the control system of the dual-fuel engine is further improved, and the dual-fuel controller judges the current working condition of the engine according to the current rotating speed and the position of an accelerator of the engine;
the engine operating conditions include: the system comprises a stopping working condition, a starting working condition, an idling working condition, a normal running working condition, a rapid acceleration working condition, a rapid deceleration working condition and an overspeed working condition.
Optionally, the dual-fuel engine control system is further improved, and the working parameters of the current engine working condition comprise: crankshaft position, camshaft position, cooling water temperature, intake air pressure and intake air temperature at the intake pipe.
Optionally, the dual-fuel engine control system is further improved, and the original engine torque is (1-substitution rate) the external characteristics of the engine;
the substitute torque is a substitute rate of the engine external characteristic;
the engine external characteristic is obtained by inquiring a corresponding engine external characteristic curve.
Optionally, the dual-fuel engine control system is further improved, and the original engine controller and the dual-fuel controller communicate through a CAN bus.
After the current engine working condition is obtained, the replacement rate MAP is inquired according to the working parameters of the current engine working condition to obtain the current replacement rate, and the original engine torque and the replacement torque under the current replacement rate are calculated. Inquiring the original engine torque and an oil injection quantity meter based on the original engine torque to obtain the original engine fuel injection quantity of the current substitution rate; inquiring a rotating speed and a substitute fuel table based on the substitute torque and the engine rotating speed to obtain a substitute fuel injection quantity of the current substitute rate; controlling the alternative fuel injector and the original machine fuel injector according to the original machine fuel injection quantity and the alternative fuel injection quantity; the dual-fuel control of the invention directly controls the alternative fuel injector, and transmits the original machine torque demand to the original machine control, thereby realizing the control of the original machine fuel injector. The dual-fuel substitution rate can be flexibly adjusted only through dual-fuel control, wherein accurate test data ensure the accuracy of the actual injection quantity control of the dual fuels.
The invention realizes the flexible control of the actual injection quantity of the dual fuel from the angle of signal input, does not need to carry out additional hardware modification on a dual fuel engine system compared with the prior art, is very convenient in technical realization, has low realization cost and is beneficial to the wide application of the dual fuel engine.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification. The drawings are not necessarily to scale, however, and may not be intended to accurately reflect the precise structural or performance characteristics of any given embodiment, and should not be construed as limiting or restricting the scope of values or properties encompassed by exemplary embodiments in accordance with the invention. The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic diagram of a dual fuel engine control system of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and technical effects of the present invention will be fully apparent to those skilled in the art from the disclosure in the specification. The invention is capable of other embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the general spirit of the invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. The following exemplary embodiments of the present invention may be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the technical solutions of these exemplary embodiments to those skilled in the art.
A first embodiment;
the invention provides a control method of a dual-fuel engine, which comprises the following steps:
s1, judging the current engine working condition;
s2, inquiring a substitution rate MAP graph according to working parameters of the current engine working condition to obtain a current substitution rate, and calculating the original machine torque and the substitution torque under the current substitution rate, wherein the total required torque is the original machine torque plus the substitution torque;
s3, inquiring the original engine torque and the fuel injection quantity meter based on the original engine torque to obtain the original engine fuel injection quantity of the current substitution rate;
inquiring a rotating speed and a substitute fuel table based on the substitute torque and the engine rotating speed to obtain a substitute fuel injection quantity of the current substitute rate;
s4, controlling the alternative fuel injector and the original machine fuel injector according to the original machine fuel injection quantity and the alternative fuel injection quantity;
wherein, the substitution rate MAP chart, the original engine torque and fuel injection meter, the rotating speed and the substituted fuel meter can be obtained by calibration.
A second embodiment;
the invention provides a control method of a dual-fuel engine, which comprises the following steps:
s1, judging the current working condition of the engine according to the current rotating speed and the accelerator position of the engine;
the engine operating conditions include: stopping working condition, starting working condition, idling working condition, normal running working condition, rapid acceleration working condition, rapid deceleration working condition and overspeed working condition;
s2, inquiring a substitution rate MAP according to the working parameters of the current engine working condition to obtain a current substitution rate, and calculating the original machine torque and the substitution torque under the current substitution rate, wherein the total required torque is the original machine torque plus the substitution torque;
the operating parameters for the current engine operating conditions include: crankshaft position, camshaft position, cooling water temperature, intake pressure and intake temperature at the intake pipe;
the original engine torque is (1-substitution rate) the external characteristics of the engine;
the substitute torque is a substitute rate of the engine external characteristic;
s3, inquiring the original engine torque and the fuel injection quantity meter based on the original engine torque to obtain the original engine fuel injection quantity of the current substitution rate;
inquiring a rotating speed and a substitute fuel table based on the substitute torque and the engine rotating speed to obtain a substitute fuel injection quantity of the current substitute rate;
s4, controlling the alternative fuel injector and the original machine fuel injector according to the original machine fuel injection quantity and the alternative fuel injection quantity;
the substitution rate MAP graph, the original engine torque and fuel injection quantity meter, the rotating speed and substituted fuel meter can be obtained through calibration, and the external characteristics of the engine are obtained by inquiring a corresponding external characteristic curve of the engine.
It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Like reference numerals refer to like elements throughout the drawings. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Other words used to describe the relationship between elements or layers (e.g., "between … …" and "directly between … …", "adjacent to … …" and "directly adjacent to … …", "on … …" and "directly on … …", etc.) should be interpreted in the same manner.
A third embodiment;
the invention provides a dual-fuel engine control system, comprising:
the sensor assembly is used for acquiring working parameters of the current engine working condition and sending the working parameters of the current engine working condition to the dual-fuel controller;
the dual-fuel controller judges the current engine working condition according to the working parameters of the current engine working condition, queries a substitution rate MAP graph according to the working parameters of the current engine working condition to obtain the current substitution rate, calculates the original machine torque and the substitution torque under the current substitution rate, and sends the original machine torque to the original machine controller, wherein the total required torque is the original machine torque plus the substitution torque;
and, obtaining a substitute fuel injection quantity for the current substitution rate based on the substitute torque and the engine speed query speed and a substitute fuel table;
the original machine controller is used for inquiring the original machine torque and the fuel injection quantity meter based on the original machine torque to obtain the original machine fuel injection quantity of the current substitution rate;
a raw engine fuel injector that performs fuel injection according to the raw engine fuel injection amount;
an alternative fuel injector that performs fuel injection according to the alternative fuel injection amount.
A fourth embodiment;
referring to fig. 1, the present invention provides a dual fuel engine control system, including:
the sensor subassembly, its working parameter who is used for gathering current engine operating mode sends the working parameter of current engine operating mode to dual fuel controller, includes: a crankshaft sensor, a camshaft sensor, a cooling water temperature sensor and an intake pressure temperature sensor;
the dual-fuel controller judges the current engine working condition according to the current rotating speed and the accelerator position of the engine, the working parameter of the current engine working condition queries a substitution rate MAP graph to obtain the current substitution rate, the original machine torque and the substitution torque under the current substitution rate are calculated, the original machine torque is sent to the original machine controller, and the total required torque is equal to the original machine torque plus the substitution torque;
the original engine torque is (1-substitution rate) the external characteristics of the engine;
the substitute torque is a substitute rate of the engine external characteristic;
the engine operating conditions include: stopping working condition, starting working condition, idling working condition, normal running working condition, rapid acceleration working condition, rapid deceleration working condition and overspeed working condition;
and, obtaining a surrogate fuel injection amount for the current surrogate rate based on the surrogate torque and the engine speed look-up speed and surrogate fuel table;
the original machine controller is used for inquiring the original machine torque and the fuel injection quantity meter based on the original machine torque to obtain the original machine fuel injection quantity of the current substitution rate;
a raw engine fuel injector that performs fuel injection according to the raw engine fuel injection amount;
an alternative fuel injector that performs fuel injection according to the alternative fuel injection amount;
wherein the operating parameters of the current engine operating conditions include: the engine external characteristics are obtained by inquiring a corresponding engine external characteristic curve, and the original engine controller and the dual-fuel controller are communicated through a CAN bus.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.
Claims (10)
1. A dual fuel engine control method, comprising the steps of:
s1, judging the current engine working condition;
s2, inquiring a substitution rate MAP according to the working parameters of the current engine working condition to obtain a current substitution rate, and calculating the original machine torque and the substitution torque under the current substitution rate, wherein the total required torque is the original machine torque plus the substitution torque;
s3, inquiring the original engine torque and the fuel injection quantity meter based on the original engine torque to obtain the original engine fuel injection quantity of the current substitution rate;
inquiring a rotating speed and a substitute fuel table based on the substitute torque and the engine rotating speed to obtain a substitute fuel injection quantity of the current substitute rate;
s4, controlling the alternative fuel injector and the original machine fuel injector according to the original machine fuel injection quantity and the alternative fuel injection quantity;
wherein, the replacement rate MAP chart, the original engine torque and fuel injection meter, the rotating speed and the replacement fuel meter can be obtained by calibration.
2. The dual fuel engine control method as claimed in claim 1, characterized in that:
when step S1 is implemented, judging the current engine working condition according to the current rotating speed and the accelerator position of the engine;
the engine operating conditions include: the system comprises a stopping working condition, a starting working condition, an idling working condition, a normal running working condition, a rapid acceleration working condition, a rapid deceleration working condition and an overspeed working condition.
3. The dual fuel engine control method as claimed in claim 2, characterized in that: the operating parameters for the current engine operating conditions include: crankshaft position, camshaft position, cooling water temperature, intake air pressure and intake air temperature at the intake pipe.
4. The dual fuel engine control method as claimed in claim 1, characterized in that:
the original engine torque is (1-substitution rate) the external characteristics of the engine;
the substitute torque is a substitute rate of the engine external characteristic;
the engine external characteristic is obtained by inquiring a corresponding engine external characteristic curve.
5. A dual fuel engine control system, comprising:
the sensor assembly is used for acquiring working parameters of the current engine working condition and sending the working parameters of the current engine working condition to the dual-fuel controller;
the dual-fuel controller judges the current engine working condition according to the working parameters of the current engine working condition, queries a substitution rate MAP graph according to the working parameters of the current engine working condition to obtain the current substitution rate, calculates the original machine torque and the substitution torque under the current substitution rate, and sends the original machine torque to the original machine controller, wherein the total required torque is the original machine torque plus the substitution torque;
and, obtaining a substitute fuel injection quantity for the current substitution rate based on the substitute torque and the engine speed query speed and a substitute fuel table;
the original machine controller is used for inquiring the original machine torque and the fuel injection quantity meter based on the original machine torque to obtain the original machine fuel injection quantity of the current substitution rate;
a raw engine fuel injector that performs fuel injection according to the raw engine fuel injection amount;
an alternative fuel injector that performs fuel injection according to the alternative fuel injection amount.
6. The dual fuel engine control system of claim 5, wherein the sensor assembly comprises: a crankshaft sensor, a camshaft sensor, a cooling water temperature sensor, and an intake pressure temperature sensor.
7. The dual fuel engine control system of claim 5, wherein:
the dual-fuel controller judges the current working condition of the engine according to the current rotating speed and the position of an accelerator of the engine;
the engine operating conditions include: the system comprises a stopping working condition, a starting working condition, an idling working condition, a normal running working condition, a rapid acceleration working condition, a rapid deceleration working condition and an overspeed working condition.
8. The dual fuel engine control system of claim 5, wherein: the operating parameters for the current engine operating conditions include: crankshaft position, camshaft position, cooling water temperature, intake air pressure and intake air temperature at the intake pipe.
9. The dual fuel engine control system of claim 5, wherein:
the original engine torque is (1-substitution rate) the external characteristics of the engine;
the substitute torque is a substitute rate of the engine external characteristic;
the engine external characteristic is obtained by inquiring a corresponding engine external characteristic curve.
10. The dual fuel engine control system of claim 1, wherein: the original machine controller and the dual-fuel controller are communicated through a CAN bus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210166863.0A CN114592977A (en) | 2022-02-23 | 2022-02-23 | Dual-fuel engine control method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210166863.0A CN114592977A (en) | 2022-02-23 | 2022-02-23 | Dual-fuel engine control method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181511A (en) * | 2023-01-13 | 2023-05-30 | 一汽解放汽车有限公司 | Thermodynamic-based dual fuel injection quantity control method, device, equipment and medium |
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| CN111120119A (en) * | 2019-12-30 | 2020-05-08 | 江苏大学 | Control system and method of dual-fuel engine |
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2022
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| US20050121005A1 (en) * | 2002-03-08 | 2005-06-09 | I-Sense Pty Ltd | Dual fuel engine control |
| CN103899424A (en) * | 2014-03-27 | 2014-07-02 | 哈尔滨工程大学 | Ship dual-fuel-engine speed control system and method |
| CN108691674A (en) * | 2018-06-13 | 2018-10-23 | 西华大学 | A kind of GDI engine natural gas-gasoline double-fuel electric-control system and control strategy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116181511A (en) * | 2023-01-13 | 2023-05-30 | 一汽解放汽车有限公司 | Thermodynamic-based dual fuel injection quantity control method, device, equipment and medium |
| CN116181511B (en) * | 2023-01-13 | 2024-05-14 | 一汽解放汽车有限公司 | Thermodynamic-based dual fuel injection quantity control method, device, equipment and medium |
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