Engine control method and system and electronic equipment

Abstract

The invention belongs to the field of engine control, and discloses an engine control method and system and electronic equipment, and the method comprises the steps: obtaining vehicle operation information; judging whether the vehicle operation information meets a first preset condition or not; if yes, emission reduction working condition parameters are determined according to the vehicle running information, and the engine is controlled to run according to the emission reduction working condition parameters. According to the method, the emission reduction working condition parameters are determined when the vehicle operation information meets the first preset condition, and the emission reduction working condition parameters are specially designed to be used for reducing emission of pollutants under the specific working condition. The operation of the engine is controlled according to the emission reduction working condition parameters, so that the pollutant emission of the engine under the specific working condition can be obviously reduced, and the influence on the environment is reduced. Meanwhile, by accurately controlling the operation of the engine under different working conditions, unnecessary fuel consumption is avoided, the fuel economy of the engine can be improved, the service life of the engine is prolonged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The present invention relates to the field of engine control, and in particular to an engine control method, system, electronic equipment and computer-readable storage medium. Background Art

[0002] As global awareness of environmental protection increases, the automotive industry faces increasingly stringent emission standards. As a means of transportation that can reduce fuel consumption and pollutant emissions, hybrid vehicles have an increasing market share year by year. In hybrid vehicles, the engine start and operation strategy has a significant impact on the vehicle's fuel economy and emission performance.

[0003] In existing hybrid vehicles, the engine is usually started to charge the battery or directly provide power. However, the engine is prone to high pollutant emissions due to low coolant temperature and incomplete combustion during and after starting. In addition, frequent starting and stopping will also cause the engine to operate under unstable conditions, further exacerbating the emission problem.

[0004] Therefore, how to reduce the pollutant emissions of the engine is a technical problem that those skilled in the art need to solve. Summary of the invention

[0005] In order to solve the problem in the prior art that engines are prone to generate high pollutant emissions, the present invention provides an engine control method, system, electronic device and computer-readable storage medium.

[0006] A method of engine control, comprising: Responsive to the received engine start command, acquiring vehicle operation information; Determining whether the vehicle operation information meets a first preset condition; If so, the emission reduction operating condition parameters are determined according to the vehicle operation information, and the engine operation is controlled according to the emission reduction operating condition parameters.

[0007] Optionally, the vehicle operation information includes engine coolant temperature, ambient temperature, altitude, required driving power, battery power and vehicle speed; The first preset condition includes: the engine coolant temperature is lower than the first temperature; the ambient temperature is higher than the second temperature; the altitude is lower than the first altitude; the required driving power is lower than the first power; the battery power is higher than the first power value; and the vehicle speed is lower than the first speed.

[0008] Optionally, determining the emission reduction operating condition parameter according to the vehicle information includes: Determining an initial speed and an initial torque corresponding to the engine coolant temperature according to the first corresponding relationship; Determine a speed correction factor and a torque correction factor corresponding to the altitude according to the second corresponding relationship; The target speed in the emission reduction operating condition parameter is determined to be the product of the initial speed and the speed correction factor, and the target torque in the emission reduction operating condition parameter is determined to be the product of the initial torque and the torque correction factor.

[0009] Optionally, controlling the engine operation according to the emission reduction operating condition parameter includes: The engine is controlled to operate at the target speed and the target torque and maintain a steady-state operating state.

[0010] Optionally, the method further includes: In response to the input first modification command, the first preset condition is modified.

[0011] Optionally, after controlling the engine to operate according to the emission reduction operating condition parameter, the method further includes: Get the vehicle operation information at the current moment; Determining whether the vehicle operation information at the current moment meets a second preset condition; If yes, controlling the engine to run according to the emission reduction operating condition parameters; If not, controlling the engine to operate according to normal operating parameters; determining whether the current engine coolant temperature is less than a third temperature; If the engine coolant temperature at the current moment is lower than the third temperature, returning to the step of obtaining the vehicle operation information at the current moment; If the engine coolant temperature at the current moment is greater than or equal to the third temperature, controlling the engine to run according to the normal operating condition parameters; The second preset condition includes: the altitude is less than the second altitude; the required driving power is less than the second power; the battery power is greater than the second power value; the vehicle speed is greater than the second speed; Among them, the second height is greater than the first height; the second power is greater than the first power; the second power value is less than the first power value; and the second speed is less than the first speed.

[0012] A system for controlling an engine, comprising: A first acquisition module, configured to acquire vehicle operation information in response to a received engine start command; A first judging module, used to judge whether the vehicle operation information meets a first preset condition; The first control module is used to determine the emission reduction operating condition parameters according to the vehicle operating information when the vehicle operating information meets the first preset condition, and control the engine operation according to the emission reduction operating condition parameters.

[0013] An electronic device, comprising: A processor and a memory, wherein the memory is used to store at least one instruction, and when the instruction is loaded and executed by the processor, the engine control method as described in any one of the above is implemented.

[0014] A computer-readable storage medium stores a computer program, wherein the computer program, when executed by a processor, implements the engine control method as described in any one of the above.

[0015] The engine control method provided by the embodiment of the present invention obtains vehicle operation information when an engine start command is received, and then determines whether the vehicle operation information meets the first preset condition; if so, the emission reduction operating condition parameters are determined according to the vehicle operation information, and the engine operation is controlled according to the emission reduction operating condition parameters. The present invention determines the emission reduction operating condition parameters when the vehicle operation information meets the first preset condition, wherein the emission reduction operating condition parameters are specially designed to reduce the emission of pollutants under specific operating conditions. By controlling the operation of the engine according to these emission reduction operating condition parameters, the pollutant emissions of the engine under specific operating conditions can be significantly reduced, thereby reducing the impact on the environment. At the same time, by accurately controlling the operation of the engine under different operating conditions, unnecessary fuel consumption is avoided, the fuel economy of the engine can be improved, and it helps to extend the service life of the engine and reduce maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 A flow chart of an engine control method provided by an embodiment of the present invention; Figure 2 for Figure 1 A flowchart of a practical expression of S03 in a provided engine control method; Figure 3 A flowchart of another engine control method provided by an embodiment of the present invention; Figure 4 A schematic diagram of the structure of an engine control system provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0018] In order to better understand the technical solution of the present invention, the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0019] It should be clear that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0021] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0022] As global awareness of environmental protection increases, the automotive industry faces increasingly stringent emission standards. Hybrid vehicles, as a solution that can reduce fuel consumption and exhaust emissions, have received widespread attention and application. In a hybrid system, the engine's starting and operating strategy has a significant impact on the vehicle's fuel economy and emission performance.

[0023] In existing hybrid vehicles, the engine is usually started to charge the battery or directly provide power. However, the engine is prone to high pollutant emissions due to low coolant temperature and incomplete combustion during and after starting. In addition, frequent starting and stopping will also cause the engine to operate under unstable conditions, further exacerbating the emission problem.

[0024] In order to solve this problem, existing technical solutions include: The heating system is used to preheat the catalyst to speed up the activation of the catalyst and reduce cold start emissions.

[0025] Increase the precious metal content in the three-way catalyst (TWC) to improve its purification efficiency.

[0026] A Gasoline Particulate Filter (GPF) is used to capture and filter particulate matter in exhaust gas.

[0027] By limiting the maximum power output of the engine for a period of time after a cold start, pollutant generation is reduced.

[0028] Although these methods can reduce emissions to a certain extent, they also have some limitations, such as high cost and certain impact on engine performance. In addition, these methods do not fully consider the real-time information of vehicle operation, such as ambient temperature, altitude, battery power, etc., all of which may affect the emission performance of the engine. Therefore, the present invention provides an engine control method, system, electronic device and computer-readable storage medium to solve the above problems.

[0029] Please refer to Figure 1 , is a flow chart of an engine control method provided by an embodiment of the present invention, comprising the following steps: Step S01, in response to a received engine start command, obtaining vehicle operation information.

[0030] In this embodiment, when the control system issues an engine start command, the engine control system will immediately respond and begin to collect detailed information about the current state of the vehicle, including but not limited to key parameters such as engine coolant temperature, ambient temperature, altitude, battery charge, vehicle speed, etc. The purpose of obtaining vehicle operation information is to enable the engine control system to make the best decision based on real-time data to optimize the engine start and operation process.

[0031] In some embodiments, the acquisition of vehicle operation information mentioned in step S01 may specifically include: When the control system issues a command to start the engine, this signal is transmitted to the engine control system, which then quickly activates a series of sensors and actuators to monitor the current state of the vehicle. These sensors include but are not limited to coolant temperature sensors, ambient temperature sensors, altitude sensors, battery management systems (BMS), and vehicle speed sensors.

[0032] In some embodiments, after the vehicle operation information is acquired, the vehicle operation information may be cleaned and formatted to facilitate the engine control system to determine whether it meets the first preset condition.

[0033] Step S02, determining whether the vehicle operation information meets a first preset condition.

[0034] If yes, execute step S03.

[0035] This embodiment proposes a decision-making process that allows the engine control system to decide whether to take specific emission reduction measures based on the real-time operating status of the vehicle. This process involves evaluating key operating parameters of the vehicle, such as engine coolant temperature, ambient temperature, altitude, required driving power, battery power, and vehicle speed, to determine whether the preset emission reduction operating conditions are met.

[0036] If the vehicle operation information meets the first preset condition, it indicates that the vehicle is in a state suitable for implementing the emission reduction strategy, such as after a cold start, when the ambient temperature is suitable, the altitude is low, the required driving power is not high, the battery power is sufficient, and the vehicle speed is low. In this case, executing step S03 means that the engine will operate according to the optimized emission reduction operating condition parameters to reduce pollutant emissions and improve fuel efficiency.

[0037] The purpose of this embodiment is to ensure vehicle performance and driving comfort while minimizing the impact on the environment. By intelligently adjusting engine operating parameters, more effective emission control can be achieved under different driving and environmental conditions, thereby reducing pollutant emissions.

[0038] In some embodiments, when the vehicle operation information does not meet the first preset condition, the engine operation can also be controlled with normal operating parameters, the purpose of which is to ensure that the engine can still provide stable performance and power output under non-emission reduction conditions. Under normal conditions, the engine control system will control the engine operation according to standard operating parameters. This flexibility allows the vehicle to maintain optimal performance when the emission reduction conditions are not met, such as high-speed driving, high power requirements or extreme environmental conditions, and automatically switch to emission reduction mode when the emission reduction conditions are met to achieve the dual goals of environmental protection and performance. Through this intelligent switching mechanism, the engine control system can balance the vehicle's environmental performance and power requirements, providing users with a driving experience that is both environmentally friendly and practical.

[0039] In some embodiments, the first preset condition may include: the engine coolant temperature is less than the first temperature; the ambient temperature is greater than the second temperature; the altitude is less than the first altitude; the required driving power is less than the first power; the battery power is greater than the first power value; and the vehicle speed is less than the first speed.

[0040] In this embodiment, the first preset condition is a set of specific parameter thresholds to determine whether the engine should be operated in the emission reduction mode. These conditions include: The engine coolant temperature is lower than the set first temperature, which means that the engine is in a cold start state, and at this time, the emission reduction strategy can more effectively reduce pollutant emissions; The ambient temperature is higher than the second temperature, ensuring that the external environment does not negatively affect engine performance, allowing the engine to operate in the emission reduction mode; The altitude is lower than the first altitude, because high altitude may cause thin air and affect engine performance, so the emission reduction mode is more suitable at lower altitudes; The required driving power is less than the first power, indicating that the current driving demand allows the engine to operate at a lower power, which is suitable for implementing emission reduction measures; The battery charge is greater than the first charge value, ensuring that the battery has sufficient reserve to support the emission reduction condition in the hybrid system; The vehicle speed is lower than the first speed. Usually at low speeds, the engine is easier to control and emission reduction strategies are easier to implement.

[0041] The first preset condition in this embodiment is set to maximize the emission reduction effect while ensuring engine performance and vehicle drivability. By implementing the emission reduction strategy under these specific conditions, the emission of pollutants can be more effectively controlled and reduced, especially in the initial stage of engine startup and operation.

[0042] In some embodiments, the method may further include: In response to the input first modification command, the first preset condition is modified.

[0043] In this embodiment, by allowing the system to adjust the first preset condition based on new information or demand, the engine can more accurately control its operating state to achieve better fuel efficiency, lower emission levels, or better driving performance. For example, if a region implements new emission standards, or the user wants to optimize fuel economy under specific driving conditions, the system can modify the preset condition, such as adjusting the thresholds of parameters such as engine coolant temperature, ambient temperature, altitude, required driving power, battery charge, and vehicle speed, to adapt to these new requirements.

[0044] The implementation of this method makes engine control more intelligent and automated, and can flexibly adapt to different driving and environmental conditions, thereby protecting the environment while providing users with a better driving experience. In addition, this adjustability also helps to extend the service life of the engine, reduce maintenance costs, and improve the overall performance and reliability of the vehicle.

[0045] Step S03, determining emission reduction operating parameters according to vehicle operation information, and controlling engine operation according to the emission reduction operating parameters.

[0046] In this embodiment, when the vehicle operating information meets the first preset condition, this indicates that the vehicle is in a state suitable for implementing an emission reduction strategy. At this time, the engine control system will analyze the vehicle operating information and determine a set of emission reduction operating parameters. These parameters are specifically designed to minimize pollutant emissions while meeting driving needs.

[0047] In some embodiments, the emission reduction operating parameters may include adjusting fuel injection amount, ignition timing, valve timing, and turbo boost pressure to ensure that the engine can operate in a cleaner and more efficient manner under conditions such as cold start, low power demand, or low speed driving. By controlling the engine according to the emission reduction operating parameters, the vehicle can achieve lower emissions under various driving conditions while maintaining or improving performance and fuel economy.

[0048] This embodiment can dynamically adapt to different driving and environmental conditions to achieve more refined emission control, which can not only reduce the pollutant emissions of the engine, but also improve the overall efficiency and reliability of the engine, thereby providing consumers with a more environmentally friendly and economical driving experience.

[0049] Based on the above technical solution, the engine control method provided by the embodiment of the present invention obtains the vehicle operation information when the engine start command is received, and then determines whether the vehicle operation information meets the first preset condition; if so, the emission reduction operating condition parameters are determined according to the vehicle operation information, and the engine operation is controlled according to the emission reduction operating condition parameters. The present invention determines the emission reduction operating condition parameters when the vehicle operation information meets the first preset condition, wherein the emission reduction operating condition parameters are specially designed to reduce the emission of pollutants under specific operating conditions. By controlling the operation of the engine according to these emission reduction operating condition parameters, the pollutant emissions of the engine under specific operating conditions can be significantly reduced, thereby reducing the impact on the environment. At the same time, by accurately controlling the operation of the engine under different operating conditions, unnecessary fuel consumption is avoided, the fuel economy of the engine can be improved, and it helps to extend the service life of the engine and reduce maintenance costs.

[0050] Please refer to Figure 2 ,for Figure 1 A flowchart of an actual performance of S03 in a method of engine control is provided. In some embodiments, the emission reduction operating condition parameters mentioned in step S03 are determined according to vehicle information, which may specifically include the following: Figure 2 Steps shown: Step S11, determining an initial speed and an initial torque corresponding to the engine coolant temperature according to a first corresponding relationship.

[0051] In this embodiment, the engine startup and operation process is optimized by a preset first correspondence. This strategy involves creating a database or mapping table that contains the correspondence between different coolant temperatures and the initial engine speed and torque. When the engine is started, the control system will query this preset first correspondence table based on the actual measured coolant temperature to determine the initial engine speed and initial torque corresponding to the current temperature.

[0052] The initial speed and initial torque are the ideal starting points of the engine at the current engine coolant temperature, which helps the engine run in the most optimized way during cold start or warm-up. Subsequently, the initial speed and torque are adjusted by correction parameters in combination with other environmental factors such as altitude, and the target speed and target torque in the emission reduction condition are finally determined. Such a control strategy helps to improve the engine's response speed, reduce emissions, and maintain consistency in engine performance under different environmental conditions.

[0053] This initial parameter setting based on the engine coolant temperature allows the engine to reach the ideal operating state more quickly during cold start, while reducing pollutant emissions caused by incomplete combustion, so that the engine can transition to normal operating conditions more smoothly, thereby improving fuel efficiency and reducing the burden on the catalytic converter.

[0054] Step S12, determining a rotation speed correction factor and a torque correction factor corresponding to the altitude according to the second corresponding relationship.

[0055] In this embodiment, through a pre-set second corresponding relationship, i.e., the relationship between the altitude and the speed correction factor and the torque correction factor, the engine operating parameters are adjusted according to the altitude of the vehicle, thereby optimizing the engine performance to adapt to environmental conditions with different atmospheric pressures and oxygen concentrations.

[0056] At high altitudes, the engine may experience reduced intake air volume due to thin air, which affects combustion efficiency and power output. By determining the speed correction factor and torque correction factor corresponding to the altitude, the engine control unit (ECU) can adjust the initial engine speed and torque accordingly to compensate for the effects of high altitude. In this way, the engine can maintain optimal performance while reducing emissions even in an environment with lower air density.

[0057] Step S13, determining the target speed in the emission reduction operating condition parameters as the product of the initial speed and the speed correction factor, and determining the target torque in the emission reduction operating condition parameters as the product of the initial torque and the torque correction factor.

[0058] In this embodiment, by multiplying the initial speed by the speed correction factor, and multiplying the initial torque by the torque correction factor, the engine control system can determine the target speed and target torque of the engine under emission reduction conditions, ensuring that the engine can operate in an optimal manner under different environmental conditions while meeting emission reduction requirements.

[0059] The purpose of this embodiment is to optimize the engine performance and ensure the best fuel efficiency and the lowest pollutant emissions under various working conditions, thereby improving the overall environmental performance and driving experience of the vehicle. Through this intelligent control strategy, the engine can effectively reduce the impact on the environment while meeting driving needs, reflecting the dual pursuit of environmental protection and performance of modern automobile engine management systems.

[0060] Based on the above technical solution, this embodiment can dynamically adjust the engine's operating parameters according to the actual operating environment of the vehicle to achieve optimal performance and lowest emissions under different operating conditions. By combining the initial parameters with the correction factor, the calculated target speed and torque ensure that the engine can operate efficiently and stably under various conditions, while meeting environmental protection requirements and improving fuel economy and driving comfort.

[0061] Please refer to Figure 3 , which is a flow chart of another engine control method provided by an embodiment of the present invention. In some embodiments, after executing step S03 to control the engine operation according to the emission reduction operating condition parameters, the following can also be performed: Figure 3 Steps shown: Step S21, obtaining the vehicle operation information at the current moment.

[0062] Step S22, determining whether the vehicle operation information at the current moment satisfies a second preset condition.

[0063] If yes, then go to step S23. If no, then go to step S24.

[0064] In this embodiment, after the engine operation is controlled according to the emission reduction operating condition parameters, the vehicle operation information at the current moment is continuously obtained, and it is determined whether the vehicle operation information at the current moment meets the second preset condition. If the vehicle operation information at the current moment meets the second preset condition, it means that the vehicle is still in an environment suitable for the emission reduction operating condition, and step S23 is executed at this time.

[0065] On the contrary, if the vehicle operation information does not meet the second preset condition, it indicates that the vehicle may be in a state where more power or different environmental conditions are required. In this case, step S24 is executed, that is, the engine needs to switch to normal operating parameters to ensure sufficient performance and response. This flexible control strategy ensures that the engine can operate efficiently and stably in various environments while minimizing the impact on the environment.

[0066] In some embodiments, the second preset condition includes: the altitude is less than the second altitude; the required driving power is less than the second power; the battery power is greater than the second power value; the vehicle speed is greater than the second speed; Among them, the second height is greater than the first height; the second power is greater than the first power; the second power value is less than the first power value; and the second speed is less than the first speed.

[0067] In this embodiment, the second preset condition is a set of specific parameter thresholds used in the engine control method to determine whether the vehicle should continue to operate under the emission reduction condition. These conditions include: the altitude is lower than the second altitude, the required driving power is lower than the second power, the battery power is higher than the second power value, and the vehicle speed exceeds the second speed.

[0068] The second preset conditions are set so that when these parameters are met during vehicle operation, the engine can continue to operate under the emission reduction condition. At the same time, the parameter values ​​of these second preset conditions are different from the parameter values ​​of the first preset conditions, wherein the second height is higher than the first height, the second power is higher than the first power, the second power value is lower than the first power value, and the second speed is lower than the first speed.

[0069] The purpose of setting the first preset condition and the second preset condition differently is to reduce the frequency of the engine switching between different operating conditions by widening the gap between the two. This design takes into account the performance and emission characteristics of the engine under different operating conditions, as well as various situations that may be encountered during driving. For example, when the vehicle is running at a lower altitude, lower power demand, higher battery power and lower vehicle speed, the engine can be maintained in the emission reduction condition to reduce emissions. When the vehicle needs to run at a higher altitude, higher power demand, lower battery power or higher vehicle speed, the engine switches to the normal condition to ensure that performance is not affected.

[0070] In this way, the engine control system can more stably maintain reduced emission or normal operating conditions, avoiding engine performance fluctuations and additional emissions that may be caused by frequent switching. This not only helps to improve driving smoothness and comfort, but also ensures that the engine can operate efficiently and stably under various driving conditions, while minimizing the impact on the environment.

[0071] Step S23, controlling the engine operation according to the emission reduction operating condition parameters.

[0072] Step S24, controlling the engine operation according to normal operating parameters.

[0073] In this embodiment, when the vehicle's operating information does not meet the specific emission reduction operating conditions (i.e., the second preset conditions), the system will switch to using a set of standard operating parameters to manage the engine's operation. These conventional operating parameters are designed to adapt to a wider range of driving conditions and environments, ensuring that the engine can provide stable power output and response in various situations.

[0074] Under normal operating conditions, engine control parameters such as fuel injection quantity, ignition timing, valve timing and intake air volume are adjusted according to preset standard values ​​that take into account the engine's performance and efficiency under different speed, load and environmental conditions. The purpose of this approach is to ensure that the engine can still operate efficiently in non-emission reduction mode while meeting the driver's demand for power and response.

[0075] By controlling the engine according to normal operating parameters, the vehicle can adapt to driving conditions that are not suitable for emission reduction conditions, such as high speed driving, high power demand or extreme environmental conditions, without sacrificing performance and driving experience. This flexible control strategy helps balance the engine's environmental performance and power demand, providing users with an environmentally friendly and practical driving experience.

[0076] Step S25, determining whether the current engine coolant temperature is less than a third temperature.

[0077] If yes, the process returns to step S21; if no, the process returns to step S26.

[0078] In this embodiment, step S25 is a key judgment point after executing step S23 (controlling engine operation according to emission reduction operating parameters) or S24 (controlling engine operation according to normal operating parameters). Step S25 involves determining whether it is necessary to continue evaluating whether the engine should be in emission reduction operating conditions based on the current temperature of the engine coolant. If the engine coolant temperature is less than the preset third temperature, it means that the engine has not been fully warmed up, and the system will return to step S21 to re-acquire the vehicle operation information at the current moment to re-evaluate whether the conditions for emission reduction operating conditions are met. This cycle ensures that during the engine warm-up process, the system can continuously monitor and adjust the engine operation mode as needed.

[0079] Step S26, controlling the engine operation according to normal operating parameters.

[0080] When the engine coolant temperature reaches or exceeds the third temperature, it indicates that the engine has been fully warmed up, and the system will control the engine operation according to the normal operating parameters. The normal operating parameters may not be optimized specifically for emission reduction, but will ensure that the engine can operate stably under various conditions. In this way, the engine management system can reduce the frequent evaluation of emission reduction conditions after the engine temperature rises, thereby avoiding unnecessary operating condition switching and ensuring that the engine can operate in a more efficient and stable manner after reaching normal operating temperature.

[0081] Based on the above technical solution, this embodiment helps to balance the performance and emission control of the engine under different temperature conditions, ensuring that emissions are reduced through emission reduction conditions when the engine is not fully warmed up, and that performance and efficiency are maintained through conventional conditions after the engine reaches normal operating temperature. This method reflects the intelligent adjustment capability of the engine management system under different operating conditions, aiming to achieve the dual goals of environmental protection and performance.

[0082] Please refer to Figure 4 , is a schematic diagram of the structure of an engine control system provided by an embodiment of the present invention. Figure 4 As shown, the engine control system may include: A first acquisition module 100 is used to acquire vehicle operation information in response to a received engine start command; The first judgment module 200 is used to judge whether the vehicle operation information meets the first preset condition; The first control module 300 is used to determine the emission reduction operating condition parameters according to the vehicle operating information when the vehicle operating information meets the first preset condition, and control the engine operation according to the emission reduction operating condition parameters.

[0083] Based on the above embodiment, in a specific embodiment, the vehicle operation information includes engine coolant temperature, ambient temperature, altitude, required driving power, battery power and vehicle speed; The first preset condition includes: the engine coolant temperature is lower than the first temperature; the ambient temperature is higher than the second temperature; the altitude is lower than the first altitude; the required driving power is lower than the first power; the battery power is higher than the first power value; and the vehicle speed is lower than the first speed.

[0084] Based on the above embodiment, in a specific embodiment, the first control module 300 can be specifically used for: Determining an initial speed and an initial torque corresponding to the engine coolant temperature according to the first corresponding relationship; Determine a speed correction factor and a torque correction factor corresponding to the altitude according to the second corresponding relationship; The target speed in the emission reduction operating condition parameters is determined to be the product of the initial speed and the speed correction factor, and the target torque in the emission reduction operating condition parameters is determined to be the product of the initial torque and the torque correction factor.

[0085] Based on the above embodiment, in a specific embodiment, the first control module 300 can be specifically used for: Control the engine to run at target speed and target torque and maintain a steady-state operating state.

[0086] Based on the above embodiment, in a specific embodiment, the first control module 300 may also be used for: In response to the input first modification command, the first preset condition is modified.

[0087] Based on the above embodiment, in a specific embodiment, the engine control system may further include: The second acquisition module is used to acquire the vehicle operation information at the current moment; A second judgment module, used to judge whether the vehicle operation information at the current moment meets the second preset condition; A second control module, configured to control the engine operation according to the emission reduction operating condition parameters if the vehicle operation information at the current moment meets the second preset condition; and to control the engine operation according to the normal operating condition parameters if the vehicle operation information at the current moment does not meet the second preset condition; A third judgment module, used to judge whether the engine coolant temperature at the current moment is less than a third temperature; A return module, configured to return to the second acquisition module to execute the step of acquiring the vehicle operation information at the current moment if the engine coolant temperature at the current moment is less than the third temperature; a third control module, configured to control the engine operation according to normal operating condition parameters if the engine coolant temperature at a current moment is greater than or equal to a third temperature; The second preset condition includes: the altitude is less than the second altitude; the required driving power is less than the second power; the battery power is greater than the second power value; the vehicle speed is greater than the second speed; Among them, the second height is greater than the first height; the second power is greater than the first power; the second power value is less than the first power value; and the second speed is less than the first speed.

[0088] This embodiment provides an electronic device, including a processor and a memory, the memory is used to store at least one instruction, and when the instruction is loaded and executed by the processor, the above-mentioned engine control method is implemented. Its execution method and beneficial effects are similar and will not be repeated here.

[0089] An embodiment of the present invention provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the above-mentioned engine control method is implemented. Its execution method and beneficial effects are similar and will not be repeated here.

[0090] It should be noted that although the above describes the various steps in a specific order, it does not mean that the various steps must be executed in the above specific order. In fact, some of these steps can be executed concurrently or even in a different order as long as the required functions can be achieved.

[0091] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for controlling an engine, characterized in that: include: Responsive to the received engine start command, acquiring vehicle operation information; Determining whether the vehicle operation information meets a first preset condition; If so, the emission reduction operating condition parameters are determined according to the vehicle operation information, and the engine operation is controlled according to the emission reduction operating condition parameters.

2. The method according to claim 1, characterized in that The vehicle operation information includes engine coolant temperature, ambient temperature, altitude, required driving power, battery power and vehicle speed; The first preset condition includes: the engine coolant temperature is lower than the first temperature; the ambient temperature is higher than the second temperature; the altitude is lower than the first altitude; the required driving power is lower than the first power; the battery power is higher than the first power value; and the vehicle speed is lower than the first speed.

3. The method according to claim 2, characterized in that The step of determining the emission reduction operating condition parameter according to the vehicle information includes: Determining an initial speed and an initial torque corresponding to the engine coolant temperature according to the first corresponding relationship; Determine a speed correction factor and a torque correction factor corresponding to the altitude according to the second corresponding relationship; The target speed in the emission reduction operating condition parameter is determined to be the product of the initial speed and the speed correction factor, and the target torque in the emission reduction operating condition parameter is determined to be the product of the initial torque and the torque correction factor.

4. The method according to claim 3, characterized in that The controlling the engine operation according to the emission reduction operating condition parameter comprises: The engine is controlled to operate at the target speed and the target torque and maintain a steady-state operating state.

5. The method according to claim 2, characterized in that: The method further comprises: In response to the input first modification command, the first preset condition is modified.

6. The method according to claim 1, characterized in that After controlling the engine to operate according to the emission reduction operating condition parameter, the method further includes: Get the vehicle operation information at the current moment; Determining whether the vehicle operation information at the current moment meets a second preset condition; If yes, controlling the engine to run according to the emission reduction operating condition parameters; If not, controlling the engine to operate according to normal operating parameters; determining whether the current engine coolant temperature is less than a third temperature; If the engine coolant temperature at the current moment is lower than the third temperature, returning to the step of obtaining the vehicle operation information at the current moment; If the engine coolant temperature at the current moment is greater than or equal to the third temperature, controlling the engine to run according to the normal operating condition parameters; The second preset condition includes: the altitude is less than the second altitude; the required driving power is less than the second power; the battery power is greater than the second power value; the vehicle speed is greater than the second speed; Among them, the second height is greater than the first height; the second power is greater than the first power; the second power value is less than the first power value; and the second speed is less than the first speed.

7. An engine control system, characterized in that: include: A first acquisition module, configured to acquire vehicle operation information in response to a received engine start command; A first judging module, used to judge whether the vehicle operation information meets a first preset condition; The first control module is used to determine the emission reduction operating condition parameters according to the vehicle operating information when the vehicle operating information meets the first preset condition, and control the engine operation according to the emission reduction operating condition parameters.

8. The system according to claim 7, characterized in that The system further comprises: The second acquisition module is used to acquire the vehicle operation information at the current moment; A second judgment module, used to judge whether the vehicle operation information at the current moment meets a second preset condition; a second control module, configured to control the engine operation according to the emission reduction operating condition parameter if the vehicle operation information at the current moment meets the second preset condition; and to control the engine operation according to the normal operating condition parameter if the vehicle operation information at the current moment does not meet the second preset condition; A third judgment module, used to judge whether the engine coolant temperature at the current moment is less than a third temperature; a return module, configured to return to the second acquisition module to execute the step of acquiring the vehicle operation information at the current moment if the engine coolant temperature at the current moment is less than the third temperature; a third control module, configured to control the engine to run according to the normal operating condition parameters if the engine coolant temperature at the current moment is greater than or equal to the third temperature; The second preset condition includes: the altitude is less than the second altitude; the required driving power is less than the second power; the battery power is greater than the second power value; the vehicle speed is greater than the second speed; Among them, the second height is greater than the first height; the second power is greater than the first power; the second power value is less than the first power value; and the second speed is less than the first speed.

9. An electronic device, characterized in that: include: A processor and a memory, wherein the memory is used to store at least one instruction, and when the instruction is loaded and executed by the processor, the method for controlling the engine as described in any one of claims 1 to 6 is implemented.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the engine control method according to any one of claims 1 to 6 is implemented.

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