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WO2018000741A1 - Procédé et dispositif de commande de quantité d'injection d'huile d'un moteur - Google Patents

Procédé et dispositif de commande de quantité d'injection d'huile d'un moteur Download PDF

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Publication number
WO2018000741A1
WO2018000741A1 PCT/CN2016/109498 CN2016109498W WO2018000741A1 WO 2018000741 A1 WO2018000741 A1 WO 2018000741A1 CN 2016109498 W CN2016109498 W CN 2016109498W WO 2018000741 A1 WO2018000741 A1 WO 2018000741A1
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WIPO (PCT)
Prior art keywords
engine
fuel injection
injection amount
amount
upper limit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/109498
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English (en)
Chinese (zh)
Inventor
刘均
刘新
宋朝忠
欧阳张鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Launch Technology Co Ltd
Original Assignee
Shenzhen Launch Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Launch Technology Co Ltd filed Critical Shenzhen Launch Technology Co Ltd
Publication of WO2018000741A1 publication Critical patent/WO2018000741A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • F02D2200/0406—Intake manifold pressure
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0602—Fuel pressure

Definitions

  • the invention relates to the technical field of engines, and in particular to a method and a device for controlling the fuel injection amount of an engine.
  • the existing engine generally measures the air intake amount by setting an intake air sensor, and then controls the fuel injection amount of the engine according to the measured intake air amount, but for some engines, especially a diesel engine.
  • the intake air sensor is disposed between the air cleaner and the supercharger. If the components such as the intake boost line or the supercharger fail, the actual intake air amount is reduced.
  • the intake air amount measured by the intake air sensor is larger than the actual air intake amount.
  • the fuel injection amount of the engine is still controlled according to the intake air amount measured by the sensor, which may cause the fuel injection amount to be too large, resulting in the engine spray.
  • the oil quantity control is unreasonable.
  • the invention provides a method and a device for controlling the fuel injection amount of an engine, and the main purpose thereof is to solve the technical problem that the fuel injection amount of the engine is unreasonable.
  • the present invention provides a method for controlling the amount of fuel injected by an engine, and the method for controlling the amount of fuel injected by the engine includes:
  • the fuel injection control is performed on the engine according to the upper limit fuel injection amount
  • the step of acquiring the upper limit injection quantity of the engine according to the actual intake air amount includes:
  • the step of correcting the theoretical fuel injection amount according to the intake manifold pressure and the fuel pressure of the vehicle, and performing fuel injection control on the engine according to the corrected theoretical fuel injection amount include:
  • the corrected fuel injection amount is obtained based on the theoretical fuel injection amount and the correction coefficient, and the fuel injection control is performed on the engine according to the corrected fuel injection amount.
  • the step of acquiring the actual intake air amount of the engine according to the operating condition information of the engine includes:
  • the actual intake air amount of the engine is obtained based on engine displacement, engine cylinder number, engine charge efficiency, and engine speed.
  • the engine fuel injection amount further includes the steps of:
  • a prompt message is output to prompt the user that the current fuel injection amount of the engine has reached the upper limit injection amount.
  • the present invention also provides a control device for the fuel injection amount of the engine, and the control device for the fuel injection amount of the engine includes:
  • An acquisition module configured to acquire a theoretical fuel injection amount of the engine of the vehicle based on the intake air amount detected by the intake sensor;
  • control module configured to: if the theoretical fuel injection amount is greater than or equal to the upper limit fuel injection amount, perform fuel injection control on the engine according to the upper limit fuel injection amount;
  • a correction module configured to correct the theoretical fuel injection amount according to intake manifold pressure and fuel pressure of the vehicle if the theoretical fuel injection amount is less than the upper limit fuel injection amount
  • the control module is further configured to perform fuel injection control on the engine according to the corrected theoretical fuel injection amount.
  • the acquiring module is further configured to acquire gear position information and speed information of the engine;
  • the acquiring module is further configured to acquire an intake manifold pressure and a fuel pressure of the vehicle, and determine a correction coefficient corresponding to a difference between the intake manifold pressure and the fuel pressure;
  • the correction module is further configured to obtain the corrected fuel injection amount according to the theoretical fuel injection amount and the correction coefficient;
  • the control module is further configured to perform fuel injection control on the engine according to the corrected fuel injection amount.
  • the obtaining module is further configured to acquire an actual intake air amount of the engine according to engine displacement, engine cylinder number, engine charging efficiency, and engine speed.
  • the engine fuel injection amount control device further includes an output module, configured to output prompt information to prompt the user that the current fuel injection amount of the engine has reached the upper limit fuel injection amount.
  • the method and device for controlling the fuel injection amount of the engine proposed by the present invention acquires the theoretical fuel injection amount of the vehicle engine based on the intake air amount measured by the intake sensor when the fuel injection control is performed on the engine, and simultaneously acquires and transmits according to the operating condition information of the engine.
  • the actual intake air amount at this time the upper limit injection quantity of the engine is obtained according to the actual intake air quantity of the engine, and the theoretical injection quantity is compared with the upper limit of the injection quantity. If the theoretical injection quantity is greater than the upper limit injection quantity, in order to avoid The fuel injection amount is too large, and at this time, the injection is performed according to the upper limit injection amount of the conical engine.
  • the intake manifold pressure of the vehicle is obtained, the theoretical fuel injection amount is corrected, and the engine injection control is performed according to the corrected theoretical fuel injection amount, and the spray of the present invention
  • the oil control method considers the influence of the operating condition of the engine on the actual intake air amount and the influence of the pressure value of the intake manifold on the actual fuel injection amount on the basis of obtaining the theoretical fuel injection amount based on the intake sensor, and the engine Fuel injection control is carried out to avoid excessive fuel injection and reasonable control of engine fuel injection.
  • FIG. 1 is a flow chart of a first embodiment of a method for controlling an amount of fuel injected by an engine according to the present invention
  • FIG. 2 is a flow chart of a second embodiment of a method for controlling the amount of fuel injected by the engine of the present invention
  • Fig. 3 is a schematic view showing the functional block of the first embodiment of the engine fuel injection amount control device of the present invention.
  • the invention provides a method for controlling the amount of fuel injected by an engine.
  • Fig. 1 there is shown a flow chart of a first embodiment of a method for controlling the amount of fuel injected by an engine of the present invention.
  • the method for controlling the fuel injection amount of the engine includes:
  • Step S10 acquiring a theoretical fuel injection amount of the engine of the vehicle based on the intake air amount detected by the intake sensor;
  • the vehicle is usually equipped with an ECU (Electronic Control) Unit, electronic control unit, or vehicle-specific microcomputer controller, which has calculation and control functions.
  • ECU Electronic Control
  • the ECU collects the signals of each sensor, performs calculations, and converts the result of the calculation into a control signal, and the control is controlled.
  • the operation of the object for example, the control of engine ignition, fuel injection amount control, air-fuel ratio, exhaust gas recirculation and the like, the method proposed in this embodiment is mainly used for controlling the fuel injection amount of the engine.
  • the intake pipe of the engine of the vehicle is provided with an air intake sensor for detecting the air flow rate sucked into the intake pipe, and adjusting the fuel injection amount of the engine according to the intake air amount detected by the intake sensor, when the intake air amount is higher,
  • the fuel injection quantity needs to be increased. Therefore, for the same engine, when the engine is in an ideal operating state, the general injection quantity maintains a certain linear relationship with the intake air quantity, and the intake air detected by the sensor is acquired.
  • the theoretical fuel injection amount of the vehicle can be obtained according to the intake air amount, which is the quality of the fuel that is theoretically required to be injected according to the linear relationship.
  • Step S20 acquiring an actual intake air amount of the engine according to the operating condition information of the engine, and acquiring an upper limit injection quantity of the engine according to the actual intake air amount;
  • the actual intake air amount of the engine differs greatly from the detected intake air amount, for example, Due to the failure of components such as the intake booster line or the supercharger, the actual intake air amount is much smaller than the intake air amount detected by the intake air sensor, so the actual required fuel injection amount will be relatively small; or due to the intake air sensor
  • the decrease in sensitivity and the like causes the detected intake air amount to be smaller than the actual intake air amount, which in turn causes the actual required fuel injection amount to be large.
  • the operating condition information includes at least the following information: engine displacement, engine cylinder number, engine charging efficiency, engine speed information, intake air temperature information, and supercharging pressure sensor in the boosting system.
  • the actual intake pressure and the like obtained may, in other embodiments, further include other operating parameters of the engine.
  • Step S20 includes: acquiring an actual intake air amount of the engine according to engine displacement, engine cylinder number, engine charging efficiency, and engine speed.
  • the engine displacement, the number of engine cylinders, the engine charging efficiency, and the engine speed may be multiplied to calculate the actual intake air amount.
  • the ratio of the intake air amount and the fuel injection amount when the engine gives the maximum torque under the specific gear and speed conditions and the exhaust gas reaches the standard is obtained according to the ratio.
  • the actual intake air amount has a corresponding injection quantity
  • the corresponding injection quantity is the upper limit injection quantity of the engine, that is, the maximum amount that the injection quantity can reach, and the engine is at During operation, the value of the injection quantity cannot exceed the upper limit injection quantity. Therefore, in an embodiment, the gear position information and the rotation speed information may be stored in advance, and the corresponding fuel injection amount is set for each intake air amount, or the intake air amount is divided into intervals, and each interval intake air amount interval is set correspondingly.
  • the upper limit injection quantity wherein the intake air quantity and the fuel injection quantity can all take an integer.
  • the stored data can be queried to obtain the upper limit injection quantity corresponding to the actual intake air quantity.
  • the specific gear position information, the proportional relationship between the actual intake air amount and the upper limit injection amount under the rotation speed information may be stored in advance, and after the actual intake air amount is acquired, according to the actual intake air amount and The proportional relationship stored stores the upper limit injection quantity.
  • Step S30 if the theoretical fuel injection amount is greater than or equal to the upper limit fuel injection amount, the fuel injection control is performed on the engine according to the upper limit fuel injection amount;
  • the upper limit can be The amount of fuel injected controls the fuel injection of the engine.
  • the injection amount can be controlled to the upper limit injection amount by controlling the injection time.
  • Step S40 if the theoretical fuel injection amount is less than the upper limit fuel injection amount, correct the theoretical fuel injection amount according to the intake manifold pressure and the fuel pressure of the vehicle, and according to the modified theory The fuel injection amount controls the fuel injection of the engine.
  • the theoretical fuel injection amount is less than the upper limit injection amount, the obtained theoretical fuel injection amount is corrected, and since the pressure difference between the intake manifold pressure and the fuel pressure has a large influence on the fuel injection amount, therefore, according to the intake air Manifold pressure and fuel pressure correct the theoretical fuel injection amount, for example, to increase or decrease the theoretical fuel injection amount based on intake manifold pressure and fuel pressure value.
  • step S40 includes:
  • the theoretical fuel injection amount is less than the upper limit fuel injection amount, correcting the theoretical fuel injection amount according to the intake manifold pressure of the vehicle, the fuel pressure, and the current intake air temperature, and following the correction
  • the theoretical fuel injection amount controls the fuel injection amount of the engine.
  • the intake air temperature will be different, which will also affect the fuel injection quantity. Therefore, when the theoretical fuel injection amount is corrected, it is corrected according to the intake manifold pressure of the vehicle and the fuel pressure. Based on the theoretical fuel injection amount, the theoretical fuel injection amount is corrected according to the intake air temperature to further enhance the accuracy of the fuel injection control.
  • the control method of the engine fuel injection amount proposed in the embodiment obtains the theoretical fuel injection amount of the vehicle engine according to the intake air amount measured by the intake air sensor when the fuel injection control is performed on the engine, and acquires the transmitter according to the working condition information of the engine. At this time, the actual intake air amount is obtained according to the actual intake air amount of the engine, and the theoretical injection quantity is compared with the upper limit of the injection quantity. If the theoretical injection quantity is greater than the upper limit injection quantity, in order to avoid spraying The amount of oil is too large. At this time, the fuel is injected according to the upper limit injection volume of the conical engine.
  • the intake manifold pressure of the vehicle is obtained, the theoretical fuel injection amount is corrected, and the engine injection control is performed according to the corrected theoretical fuel injection amount, and the spray of the present invention
  • the oil control method considers the influence of the operating condition of the engine on the actual intake air amount and the influence of the pressure value of the intake manifold on the actual fuel injection amount on the basis of obtaining the theoretical fuel injection amount based on the intake sensor, and the engine Fuel injection control is carried out to avoid excessive fuel injection and reasonable control of engine fuel injection.
  • step S40 may include the following refinement steps:
  • Step S41 acquiring intake manifold pressure and fuel pressure of the vehicle, and determining a correction coefficient corresponding to a difference between the intake manifold pressure and the fuel pressure;
  • step S42 the corrected fuel injection amount is obtained according to the theoretical fuel injection amount and the correction coefficient, and the fuel injection control is performed on the engine according to the corrected fuel injection amount.
  • the theoretical injection amount is not required to be corrected; if the difference is not zero, correction is required.
  • the correction coefficient of the difference between the intake manifold pressure and the fuel pressure is obtained in advance by experiments. When the intake manifold pressure is greater than the fuel pressure, the fuel injection amount needs to be increased, the correction coefficient is less than 1, and the intake manifold pressure is less than the fuel pressure. When it is necessary to reduce the amount of fuel injection, the correction factor is greater than 1.
  • the method for controlling the fuel injection amount of the engine further includes:
  • a prompt message is output to prompt the user that the current fuel injection amount of the engine has reached the upper limit injection amount. Remind the user to check the engine to troubleshoot the engine as early as possible.
  • the invention also proposes a control device for the fuel injection amount of the engine.
  • FIG. 3 there is shown a functional block diagram of a first embodiment of a control device for fuel injection amount of the present invention.
  • the engine fuel injection amount control device comprises:
  • the obtaining module 10 is configured to acquire a theoretical fuel injection amount of the engine of the vehicle based on the intake air amount detected by the intake air sensor;
  • the vehicle is usually equipped with an ECU (Electronic Control) Unit, electronic control unit, or vehicle-specific microcomputer controller, which has calculation and control functions.
  • ECU Electronic Control
  • the ECU collects the signals of each sensor, performs calculations, and converts the result of the calculation into a control signal, and the control is controlled.
  • the operation of the object for example, controlling the ignition of the engine, the fuel injection amount control, the air-fuel ratio, the exhaust gas recirculation, and the like, the apparatus proposed in the present embodiment can be used for controlling the fuel injection amount of the engine.
  • the intake pipe of the engine of the vehicle is provided with an air intake sensor for detecting the air flow rate sucked into the intake pipe, and adjusting the fuel injection amount of the engine according to the intake air amount detected by the intake sensor, when the intake air amount is higher,
  • the fuel injection quantity needs to be increased. Therefore, for the same engine, when the engine is in an ideal operating state, the general injection quantity maintains a certain linear relationship with the intake air quantity, and the intake air detected by the sensor is acquired.
  • the obtaining module 10 is capable of acquiring the theoretical fuel injection amount corresponding to the intake air amount, which is the fuel quality theoretically required to be injected according to the linear relationship.
  • the acquiring module 10 is further configured to acquire an actual intake air amount of the engine according to the operating condition information of the engine, and acquire an upper limit injection quantity of the engine according to the actual intake air amount;
  • the actual intake air amount of the engine differs greatly from the detected intake air amount, for example, Due to the failure of components such as the intake booster line or the supercharger, the actual intake air amount is much smaller than the intake air amount detected by the intake air sensor, so the actual required fuel injection amount will be relatively small; or due to the intake air sensor
  • the decrease in sensitivity and the like causes the detected intake air amount to be smaller than the actual intake air amount, which in turn causes the actual required fuel injection amount to be large.
  • the operating condition information includes at least the following information: engine displacement, engine cylinder number, engine charging efficiency, engine speed information, intake air temperature information, and supercharging pressure sensor in the boosting system.
  • the actual intake pressure and the like obtained may, in other embodiments, further include other operating parameters of the engine.
  • the acquisition module 10 is further configured to obtain an actual intake air amount of the engine based on engine displacement, engine cylinder number, engine charge efficiency, and engine speed.
  • the engine displacement, the number of engine cylinders, the engine charging efficiency, and the engine speed may be multiplied to calculate the actual intake air amount.
  • the acquisition module 10 is further configured to acquire gear position information and rotation speed information of the engine; and determine that the engine is in the gear position information. And the amount of fuel injection corresponding to the actual intake air amount, and the acquired fuel injection amount is used as the upper limit fuel injection amount.
  • the ratio of the intake air amount and the fuel injection amount when the engine gives the maximum torque under the specific gear and speed conditions and the exhaust gas reaches the standard is obtained according to the ratio.
  • the actual intake air amount has a corresponding injection quantity
  • the corresponding injection quantity is the upper limit injection quantity of the engine, that is, the maximum amount that the injection quantity can reach, and the engine is at During operation, the value of the injection quantity cannot exceed the upper limit injection quantity. Therefore, in an embodiment, the gear position information and the rotation speed information may be stored in advance, and the corresponding fuel injection amount is set for each intake air amount, or the intake air amount is divided into intervals, and each interval intake air amount interval is set correspondingly.
  • the upper limit injection quantity wherein the intake air quantity and the fuel injection quantity can all take an integer.
  • the stored data can be queried to obtain the upper limit injection quantity corresponding to the actual intake air amount; or,
  • a specific gear position information, a proportional relationship between the actual intake air amount and the upper limit injection amount under the rotation speed information may be stored in advance, and the acquisition module 10 obtains the actual intake air amount according to the actual intake air amount.
  • the upper limit injection amount is calculated in relation to the stored ratio.
  • the control module 20 is configured to: if the theoretical fuel injection amount is greater than or equal to the upper limit fuel injection amount, perform fuel injection control on the engine according to the upper limit fuel injection amount;
  • the control module 20 After comparing the theoretical fuel quantity and the upper limit fuel injection amount, if the theoretical fuel injection amount is greater than or equal to the upper limit fuel injection amount, since the upper limit fuel injection amount is already the maximum fuel injection amount allowed by the engine, at this time, the control module 20 The fuel injection control of the engine can be performed according to the upper limit injection amount.
  • the injection amount can be controlled to the upper limit injection amount by controlling the injection time.
  • the correction module 30 is configured to correct the theoretical fuel injection amount according to the intake manifold pressure and the fuel pressure of the vehicle if the theoretical fuel injection amount is less than the upper limit fuel injection amount;
  • the control module 20 is further configured to perform fuel injection control on the engine according to the corrected theoretical fuel injection amount.
  • the theoretical fuel injection amount is less than the upper limit injection amount, the obtained theoretical fuel injection amount is corrected, and since the pressure difference between the intake manifold pressure and the fuel pressure has a large influence on the fuel injection amount, therefore, according to the intake air Manifold pressure and fuel pressure correct the theoretical fuel injection amount, for example, to increase or decrease the theoretical fuel injection amount based on intake manifold pressure and fuel pressure value.
  • the correction module 30 is further configured to: according to the intake manifold pressure of the vehicle, the fuel pressure, and the current advance if the theoretical fuel injection amount is less than the upper limit injection amount The gas temperature corrects the theoretical fuel injection amount;
  • the control module 20 is further configured to perform fuel injection amount control on the engine according to the corrected theoretical fuel injection amount.
  • the correction module 30 corrects the theoretical fuel injection amount according to the intake air temperature to further enhance the accuracy of the fuel injection control.
  • the engine fuel injection amount control device proposed in the embodiment acquires the theoretical fuel injection amount of the vehicle engine according to the intake air amount measured by the intake air sensor when the fuel injection control is performed on the engine, and acquires the transmitter according to the operating condition information of the engine. At this time, the actual intake air amount is obtained according to the actual intake air amount of the engine, and the theoretical injection quantity is compared with the upper limit of the injection quantity. If the theoretical injection quantity is greater than the upper limit injection quantity, in order to avoid spraying The amount of oil is too large. At this time, the fuel is injected according to the upper limit injection volume of the conical engine.
  • the intake manifold pressure of the vehicle is obtained, the theoretical fuel injection amount is corrected, and the engine injection control is performed according to the corrected theoretical fuel injection amount, and the spray of the present invention
  • the oil control device considers the influence of the operating condition of the engine on the actual intake air amount and the influence of the pressure value of the intake manifold on the actual fuel injection amount on the basis of obtaining the theoretical fuel injection amount according to the intake air sensor, and the engine Fuel injection control is carried out to avoid excessive fuel injection and reasonable control of engine fuel injection.
  • a second embodiment of the control device for the fuel injection amount of the present invention is proposed based on the first embodiment of the control device for the fuel injection amount of the present invention.
  • the obtaining module 10 is further configured to acquire an intake manifold pressure and a fuel pressure of the vehicle, and determine a correction coefficient corresponding to a difference between the intake manifold pressure and the fuel pressure;
  • the correction module 30 is further configured to obtain the corrected fuel injection amount according to the theoretical fuel injection amount and the correction coefficient;
  • the control module 20 is further configured to perform fuel injection control on the engine according to the corrected fuel injection amount.
  • the theoretical injection amount is not required to be corrected; if the difference is not zero, correction is required.
  • the correction coefficient of the difference between the intake manifold pressure and the fuel pressure is obtained in advance by experiments. When the intake manifold pressure is greater than the fuel pressure, the fuel injection amount needs to be increased, the correction coefficient is less than 1, and the intake manifold pressure is less than the fuel pressure. When it is necessary to reduce the amount of fuel injection, the correction factor is greater than 1.
  • the obtaining module 10 determines a correction coefficient corresponding to the difference between the intake manifold pressure and the fuel pressure according to the stored data, and the correction module 30 calculates the corrected fuel injection amount.
  • the control module 20 performs fuel injection control on the engine in accordance with the corrected fuel injection amount.
  • the engine fuel injection amount control device further includes:
  • the output module is configured to output prompt information to prompt the user that the current fuel injection amount of the engine has reached the upper limit injection amount. Remind the user to check the engine to troubleshoot the engine as early as possible.

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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)

Abstract

L'invention concerne un dispositif de commande et un procédé de commande de quantité d'injection d'huile d'un moteur. Le procédé de commande consiste : à acquérir une quantité d'injection d'huile théorique d'un moteur d'un véhicule sur la base d'une quantité d'entrée de gaz détectée par un capteur d'entrée de gaz (S10) ; à acquérir une quantité d'entrée de gaz réelle du moteur en fonction d'informations de condition de travail relatives au moteur, et acquérir une limite supérieure de quantité d'injection d'huile du moteur en fonction de la quantité d'entrée de gaz réelle (S20) ; à commander l'injection d'huile du moteur en fonction de la limite supérieure de quantité d'injection d'huile si la quantité d'injection d'huile théorique est supérieure ou égale à la limite supérieure de quantité d'injection d'huile (S30) ; et à réviser la quantité d'injection d'huile théorique en fonction de la pression d'un collecteur d'admission et de la pression du carburant du véhicule et commander l'injection d'huile du moteur en fonction de la quantité d'injection d'huile théorique révisée si la quantité d'injection d'huile théorique est inférieure à la limite supérieure de quantité d'injection d'huile (S40). Le dispositif de commande et le procédé de commande résolvent le problème technique de commande déraisonnable de quantité d'injection d'huile du moteur.
PCT/CN2016/109498 2016-06-30 2016-12-12 Procédé et dispositif de commande de quantité d'injection d'huile d'un moteur Ceased WO2018000741A1 (fr)

Applications Claiming Priority (2)

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CN201610513986.1A CN105986917A (zh) 2016-06-30 2016-06-30 发动机喷油量的控制方法及装置
CN201610513986.1 2016-06-30

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CN112555041A (zh) * 2020-11-18 2021-03-26 中国航空工业集团公司西安航空计算技术研究所 一种基于海拔高度电控柴油内燃机喷油量获取方法
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CN114635807A (zh) * 2022-03-21 2022-06-17 重庆隆鑫发动机有限公司 摩托车及其发动机启动后喷油控制方法、系统和装置
CN115370501A (zh) * 2022-09-26 2022-11-22 重庆长安汽车股份有限公司 一种用于喷油次数切换工况的喷油量修正方法、装置及发动机
CN115653775A (zh) * 2022-11-02 2023-01-31 长城汽车股份有限公司 发动机燃油喷射控制方法、装置、设备、介质及车辆
CN115680922A (zh) * 2022-11-02 2023-02-03 长城汽车股份有限公司 发动机燃油喷射控制方法、装置、存储介质及车辆
CN117646686A (zh) * 2024-01-25 2024-03-05 山东康达精密机械制造有限公司 一种喷油量调节控制系统
CN118375524A (zh) * 2024-06-26 2024-07-23 潍柴动力股份有限公司 一种发动机烟度控制方法及装置、存储介质和电子设备

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CN110469416A (zh) * 2019-09-29 2019-11-19 潍柴动力股份有限公司 一种发动机控制方法、控制装置及发动机
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CN112648097A (zh) * 2020-12-29 2021-04-13 东台市建东机械制造有限公司 一种柴油发动机的喷油控制方法
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