CN116988886A - Engine row-in control method and device, electronic equipment and storage medium - Google Patents
Engine row-in control method and device, electronic equipment and storage medium Download PDFInfo
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- CN116988886A CN116988886A CN202310760618.7A CN202310760618A CN116988886A CN 116988886 A CN116988886 A CN 116988886A CN 202310760618 A CN202310760618 A CN 202310760618A CN 116988886 A CN116988886 A CN 116988886A
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004590 computer program Methods 0.000 claims description 8
- 230000003111 delayed effect Effects 0.000 claims description 4
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- 230000001276 controlling effect Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
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- 230000033228 biological regulation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The application provides an engine row control method, an engine row control device, electronic equipment and a storage medium, wherein the method comprises the following steps: determining the rotation speed difference of the engines before and after the engine is arranged in a row; determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter; and controlling the rotation speed of the engine according to the target control parameter until the engine exits the parallel operation mode. Compared with the prior art, the application sets corresponding control parameters according to the difference of the rotation speeds before and after the engine is combined, can prevent the rotation speed of the engine from being too low during the combined operation, and improves the low rotation speed combined operation responsiveness of the engine.
Description
Technical Field
The application relates to the technical field of engine control, in particular to an engine row control method, an engine row control device, electronic equipment and a storage medium.
Background
The engine is generally controlled by a PID controller, the PID controller consists of a proportion unit (P), an integration unit (I) and a differentiation unit (D), and PID regulation is carried out through setting of three parameters of Kp, ki and Kd.
The marine main engine is generally arranged at a low rotation speed close to idling, the rotation speed of the diesel engine under the working condition is regulated and controlled by a low rotation speed PID, but the transient sudden loading is larger during the arrangement, the low rotation speed PID has insufficient regulation responsiveness, the excessive drop of the rotation speed of the diesel engine is easily caused, and even the unstable fluctuation of the rotation speed is caused.
Disclosure of Invention
The application aims to provide an engine row control method, an engine row control device, electronic equipment and a storage medium.
In a first aspect, an embodiment of the present application provides an engine in-line control method, including:
determining the rotation speed difference of the engines before and after the engine is arranged in a row;
determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter;
and controlling the rotation speed of the engine according to the target control parameter until the engine exits the parallel operation mode.
In one possible implementation manner, the determining the difference between the rotational speeds before and after the engine is in parallel includes:
acquiring a first rotating speed of an engine before the engine is arranged in a row;
after receiving the row combination instruction, controlling the engine row combination to acquire a second rotating speed of the engine row combination;
and determining the difference between the first rotating speed and the second rotating speed as the rotating speed difference before and after the engine is arranged in a row.
In one possible implementation manner, the determining, according to the correspondence between the preset rotation speed difference and the control parameter, the target control parameter corresponding to the rotation speed difference includes:
when the rotation speed difference is in a range from 0 to a first value, determining a target control parameter corresponding to the rotation speed difference as a first control parameter;
when the rotating speed difference is in a range from a first value to a second value, determining a target control parameter corresponding to the rotating speed difference as a second control parameter;
when the rotation speed difference is in a range from the second value to the third value, determining a target control parameter corresponding to the rotation speed difference as a third control parameter;
when the rotation speed difference is larger than or equal to a third value, determining a target control parameter corresponding to the rotation speed difference as a fourth control parameter;
wherein the third value is greater than the second value, the second value is greater than the first value, and the first value is greater than 0.
In one possible implementation, the method further includes:
and before receiving the row combination instruction, controlling the engine speed according to the first control parameter.
In one possible implementation, the method further includes:
and after the row combination instruction is received and the preset time is delayed or the engine speed reaches the row combination front speed of a preset multiple, controlling the engine to exit the row combination mode.
In a second aspect, an embodiment of the present application provides an engine in-line control device, including:
the determining module is used for determining the rotation speed difference before and after the engine is arranged in a row; determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter;
and the control module is used for controlling the engine speed according to the target control parameter until the engine exits the row combination mode.
In one possible implementation manner, the determining module is specifically configured to:
acquiring a first rotating speed of an engine before the engine is arranged in a row;
after receiving the row combination instruction, controlling the engine row combination to acquire a second rotating speed of the engine row combination;
and determining the difference between the first rotating speed and the second rotating speed as the rotating speed difference before and after the engine is arranged in a row.
In one possible implementation manner, the determining module is specifically configured to:
when the rotation speed difference is in a range from 0 to a first value, determining a target control parameter corresponding to the rotation speed difference as a first control parameter;
when the rotating speed difference is in a range from a first value to a second value, determining a target control parameter corresponding to the rotating speed difference as a second control parameter;
when the rotation speed difference is in a range from the second value to the third value, determining a target control parameter corresponding to the rotation speed difference as a third control parameter;
when the rotation speed difference is larger than or equal to a third value, determining a target control parameter corresponding to the rotation speed difference as a fourth control parameter;
wherein the third value is greater than the second value, the second value is greater than the first value, and the first value is greater than 0.
In one possible implementation, the control module is further configured to:
and before receiving the row combination instruction, controlling the engine speed according to the first control parameter.
In one possible implementation, the control module is further configured to:
and after the row combination instruction is received and the preset time is delayed or the engine speed reaches the row combination front speed of a preset multiple, controlling the engine to exit the row combination mode.
In a third aspect, an embodiment of the present application provides an electronic device, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method according to the first aspect of the application when the computer program is executed.
In a fourth aspect, embodiments of the present application provide a computer readable storage medium having stored thereon computer readable instructions executable by a processor to implement the method of the first aspect of the present application.
The application provides an engine row control method, an engine row control device, electronic equipment and a storage medium, wherein the rotation speed difference of the engines before and after row combination is determined; determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter; and controlling the rotation speed of the engine according to the target control parameter until the engine exits the parallel operation mode. Compared with the prior art, the application sets corresponding control parameters according to the difference of the rotation speeds before and after the engine is combined, can prevent the rotation speed of the engine from being too low during the combined operation, and improves the low rotation speed combined operation responsiveness of the engine.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 shows a flow chart of an engine in-line control method provided by the application;
FIG. 2 is a flow chart showing a specific method for determining control parameters according to a rotational speed difference according to the present application;
fig. 3 shows a schematic diagram of an engine row control device provided by the application.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
In addition, the terms "first" and "second" etc. are used to distinguish different objects and are not used to describe a particular order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
The embodiment of the application provides an engine row control method and device, electronic equipment and a computer readable storage medium, and the method and the device are described below with reference to the accompanying drawings.
Referring to fig. 1, a flowchart of an engine row-by-row control method provided by the present application is shown, and as shown in fig. 1, the engine row-by-row control method may include the following steps:
s101, determining the rotation speed difference before and after the engine is arranged in a row.
The execution body of the embodiment may be an electronic control unit ECU of the engine, where the ECU may monitor the operation condition of the engine, so that the rotational speeds of the engine before and after the combination may be obtained, and further the rotational speed difference of the engine before and after the combination may be obtained. An engine is a machine capable of converting other forms of energy into mechanical energy and may be any type of engine, such as a marine diesel engine.
In some embodiments, the step S101 may be implemented as: acquiring a first rotating speed of an engine before the engine is arranged in a row; after receiving the row combination instruction, controlling the engine row combination to acquire a second rotating speed of the engine row combination; and determining the difference between the first rotating speed and the second rotating speed as a rotating speed difference delta V before and after the engine is arranged in a row.
The engine is generally arranged at a low rotation speed close to an idle speed, the first rotation speed before the engine is arranged at the preset idle speed of the engine, the idle speed of the engine is the set lowest operation rotation speed, and the idle speed can be set according to the actual use situation, for example, the idle speed can be set to be 700r/min.
The row combination indication refers to a row combination indication signal sent by a remote control system when the gear boxes are in row combination. The ECU receives the row combination instruction and then controls the engine to be in row combination, when the row combination is carried out, the instantaneous sudden load is larger, the rotating speed of the engine after the row combination is often reduced to a certain extent, and the row combination is influenced if the reducing amplitude is overlarge. Therefore, the present embodiment monitors the magnitude of the rotational speed difference before and after the engine is arranged in parallel, so as to adjust the control parameters of the engine according to the magnitude of the rotational speed difference.
S102, determining a target control parameter corresponding to the rotating speed difference according to the corresponding relation between the preset rotating speed difference and the control parameter.
In this embodiment, the engine is regulated and controlled by the PID controller, the control parameters refer to PID parameters, in the in-line mode, the engine is subjected to in-line twice, the PID parameters used when the engine is first in-line are set to be a parameters before the engine leaves factory, the PID parameters of the engine which exits from the in-line mode and normally runs are C parameters, and the control parameters corresponding to different rotational speed differences when the engine is in-line twice are obtained through calibration to be B parameters, such as B1, B2 and B3. And when the rotation speed difference corresponds to the B parameter, switching the A parameter of the control engine to the B parameter during secondary combination.
In some embodiments, the step S102 may be implemented as:
when the rotation speed difference is in a range from 0 to a first value, determining a target control parameter corresponding to the rotation speed difference as a first control parameter;
when the rotating speed difference is in a range from a first value to a second value, determining a target control parameter corresponding to the rotating speed difference as a second control parameter;
when the rotation speed difference is in a range from the second value to the third value, determining a target control parameter corresponding to the rotation speed difference as a third control parameter;
when the rotation speed difference is larger than or equal to a third value, determining a target control parameter corresponding to the rotation speed difference as a fourth control parameter;
wherein the third value is greater than the second value, the second value is greater than the first value, and the first value is greater than 0.
For example, the first value is 30r/min, the second value is 50r/min, and the third value is 70r/min.
As shown in fig. 2, when the rotation speed difference Δv is in the range of 0 to 30, which means that the engine rotation speed decreases by a small extent, the PID parameter does not need to be adjusted, and the target control parameter B also adopts the a parameter. It should be noted that, before receiving the row combination instruction, the PID parameter does not need to be adjusted, and the first control parameter (i.e., the a parameter) is also used to control the engine speed.
When the rotation speed difference DeltaV is in the range of 30r/min to 50r/min, the target control parameter B adopts the B3 parameter, and under the parameter, the engine row combination can be better controlled.
When the rotation speed difference DeltaV is in the range of 50r/min to 70r/min, the target control parameter B adopts the B2 parameter, and under the parameter, the engine row combination can be better controlled.
When the rotation speed difference DeltaV is more than or equal to 70r/min, the target control parameter B adopts the B1 parameter, and at the moment, the engine row combination can be better controlled under the parameter.
Therefore, the correct value B of the engine in-line PID can be screened according to the logic diagram of FIG. 2, and the logic is simple and easy to realize. When the engine is completely powered down, the in-line PID value B is reset.
In the application, the engine row-closing working condition is judged by receiving the row-closing instruction. And (5) screening proper row PID values by calibrating different PID values. And matching different PID values according to different rotational speeds in a row. Through storage, the correct row-combining PID correction coefficients at different rotating speeds are stored, and the correct correction coefficients are directly read in the next row-combining mode.
And S103, controlling the engine speed according to the target control parameter until the engine exits from the parallel operation mode.
In this embodiment, after a preset time delay is performed after the row closing instruction is received or the engine speed reaches a preset multiple of the row closing front speed, the engine is controlled to exit the row closing mode. For example, when the combination instruction receives a post-delay t=50s or the engine speed n is greater than or equal to 1.05 x the rotation speed before the combination, the engine exits the combination mode, the PID parameter is restored to a normal value C, and the engine operates normally.
The engine row-closing control method provided by the embodiment of the application determines the rotation speed difference before and after the engine row closing; determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter; and controlling the rotation speed of the engine according to the target control parameter until the engine exits the parallel operation mode. Compared with the prior art, the application sets corresponding control parameters according to the difference of the rotation speeds before and after the engine is combined, can prevent the rotation speed of the engine from being too low during the combined operation, and improves the low rotation speed combined operation responsiveness of the engine.
In the above embodiment, an engine row-combining control method is provided, and correspondingly, the application also provides an engine row-combining control device, which can be realized by software, hardware or a combination of software and hardware. For example, the engine in-line control device may include integrated or separate functional modules or units to perform the corresponding steps in the methods described above. Referring to fig. 3, a schematic diagram of an engine in-line control device according to some embodiments of the application is shown. Since the apparatus embodiments are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points. The device embodiments described below are merely illustrative.
As shown in fig. 3, the engine in-line control device 10 may include:
a determining module 101, configured to determine a rotational speed difference between before and after the engine is in parallel; determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter;
the control module 102 is configured to control the engine speed according to the target control parameter until the engine exits the parallel mode.
In one possible implementation manner, the determining module 101 is specifically configured to:
acquiring a first rotating speed of an engine before the engine is arranged in a row;
after receiving the row combination instruction, controlling the engine row combination to acquire a second rotating speed of the engine row combination;
and determining the difference between the first rotating speed and the second rotating speed as the rotating speed difference before and after the engine is arranged in a row.
In one possible implementation manner, the determining module 101 is specifically configured to:
when the rotation speed difference is in a range from 0 to a first value, determining a target control parameter corresponding to the rotation speed difference as a first control parameter;
when the rotating speed difference is in a range from a first value to a second value, determining a target control parameter corresponding to the rotating speed difference as a second control parameter;
when the rotation speed difference is in a range from the second value to the third value, determining a target control parameter corresponding to the rotation speed difference as a third control parameter;
when the rotation speed difference is larger than or equal to a third value, determining a target control parameter corresponding to the rotation speed difference as a fourth control parameter;
wherein the third value is greater than the second value, the second value is greater than the first value, and the first value is greater than 0.
In one possible implementation, the control module 102 is further configured to:
and before receiving the row combination instruction, controlling the engine speed according to the first control parameter.
In one possible implementation, the control module 102 is further configured to:
and after the row combination instruction is received and the preset time is delayed or the engine speed reaches the row combination front speed of a preset multiple, controlling the engine to exit the row combination mode.
The engine row-combining control device provided by the embodiment of the application determines the rotation speed difference before and after the engine row-combining; determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter; and controlling the rotation speed of the engine according to the target control parameter until the engine exits the parallel operation mode. Compared with the prior art, the application sets corresponding control parameters according to the difference of the rotation speeds before and after the engine is combined, can prevent the rotation speed of the engine from being too low during the combined operation, and improves the low rotation speed combined operation responsiveness of the engine.
The embodiment of the application also provides electronic equipment corresponding to the engine row control method provided by the embodiment, wherein the electronic equipment can be a vehicle ECU, a mobile phone, a notebook computer, a tablet personal computer, a desktop computer and the like so as to execute the engine row control method.
The electronic equipment provided by the embodiment of the application and the engine row control method provided by the embodiment of the application have the same beneficial effects as the method adopted, operated or realized by the electronic equipment and the engine row control method provided by the embodiment of the application due to the same inventive concept.
The embodiment of the application also provides a computer readable storage medium corresponding to the engine row-by-row control method provided in the previous embodiment, and a computer program (i.e. a program product) is stored on the computer readable storage medium, and when the computer program is run by a processor, the computer program can execute the engine row-by-row control method provided in any embodiment.
It should be noted that examples of the computer readable storage medium may also include, but are not limited to, a phase change memory (PRAM), a Static Random Access Memory (SRAM), a Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a flash memory, or other optical or magnetic storage medium, which will not be described in detail herein.
The computer readable storage medium provided by the above embodiment of the present application has the same advantages as the method adopted, operated or implemented by the application program stored in the computer readable storage medium, because of the same inventive concept as the method for controlling the engine in-line provided by the embodiment of the present application.
It is noted that the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. An engine in-line control method, characterized by comprising:
determining the rotation speed difference of the engines before and after the engine is arranged in a row;
determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter;
and controlling the rotation speed of the engine according to the target control parameter until the engine exits the parallel operation mode.
2. The engine-in-line control method according to claim 1, characterized in that the determining the difference in rotational speed before and after the engine-in-line includes:
acquiring a first rotating speed of an engine before the engine is arranged in a row;
after receiving the row combination instruction, controlling the engine row combination to acquire a second rotating speed of the engine row combination;
and determining the difference between the first rotating speed and the second rotating speed as the rotating speed difference before and after the engine is arranged in a row.
3. The engine in-line control method according to claim 1, wherein the determining the target control parameter corresponding to the rotational speed difference according to the preset correspondence between the rotational speed difference and the control parameter includes:
when the rotation speed difference is in a range from 0 to a first value, determining a target control parameter corresponding to the rotation speed difference as a first control parameter;
when the rotating speed difference is in a range from a first value to a second value, determining a target control parameter corresponding to the rotating speed difference as a second control parameter;
when the rotation speed difference is in a range from the second value to the third value, determining a target control parameter corresponding to the rotation speed difference as a third control parameter;
when the rotation speed difference is larger than or equal to a third value, determining a target control parameter corresponding to the rotation speed difference as a fourth control parameter;
wherein the third value is greater than the second value, the second value is greater than the first value, and the first value is greater than 0.
4. The engine in-line control method according to claim 3, characterized in that the method further comprises:
and before receiving the row combination instruction, controlling the engine speed according to the first control parameter.
5. The engine in-line control method according to claim 1, characterized in that the method further comprises:
and after the row combination instruction is received and the preset time is delayed or the engine speed reaches the row combination front speed of a preset multiple, controlling the engine to exit the row combination mode.
6. An engine in-line control device, characterized by comprising:
the determining module is used for determining the rotation speed difference before and after the engine is arranged in a row; determining a target control parameter corresponding to a preset rotating speed difference according to a corresponding relation between the rotating speed difference and the control parameter;
and the control module is used for controlling the engine speed according to the target control parameter until the engine exits the row combination mode.
7. The engine in-line control device according to claim 6, wherein the determining module is specifically configured to:
acquiring a first rotating speed of an engine before the engine is arranged in a row;
after receiving the row combination instruction, controlling the engine row combination to acquire a second rotating speed of the engine row combination;
and determining the difference between the first rotating speed and the second rotating speed as the rotating speed difference before and after the engine is arranged in a row.
8. The engine in-line control device according to claim 6, wherein the determining module is specifically configured to:
when the rotation speed difference is in a range from 0 to a first value, determining a target control parameter corresponding to the rotation speed difference as a first control parameter;
when the rotating speed difference is in a range from a first value to a second value, determining a target control parameter corresponding to the rotating speed difference as a second control parameter;
when the rotation speed difference is in a range from the second value to the third value, determining a target control parameter corresponding to the rotation speed difference as a third control parameter;
when the rotation speed difference is larger than or equal to a third value, determining a target control parameter corresponding to the rotation speed difference as a fourth control parameter;
wherein the third value is greater than the second value, the second value is greater than the first value, and the first value is greater than 0.
9. An electronic device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 5 when the computer program is run by the processor.
10. A computer readable storage medium having stored thereon computer readable instructions executable by a processor to implement the method of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310760618.7A CN116988886A (en) | 2023-06-26 | 2023-06-26 | Engine row-in control method and device, electronic equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310760618.7A CN116988886A (en) | 2023-06-26 | 2023-06-26 | Engine row-in control method and device, electronic equipment and storage medium |
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| CN116988886A true CN116988886A (en) | 2023-11-03 |
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| CN202310760618.7A Pending CN116988886A (en) | 2023-06-26 | 2023-06-26 | Engine row-in control method and device, electronic equipment and storage medium |
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| CN (1) | CN116988886A (en) |
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