CN111664035A - Method and device for controlling starter to exit - Google Patents
Method and device for controlling starter to exit Download PDFInfo
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- CN111664035A CN111664035A CN202010574944.5A CN202010574944A CN111664035A CN 111664035 A CN111664035 A CN 111664035A CN 202010574944 A CN202010574944 A CN 202010574944A CN 111664035 A CN111664035 A CN 111664035A
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- engine
- rotating speed
- starter
- change rate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0848—Circuits or control means specially adapted for starting of engines with means for detecting successful engine start, e.g. to stop starter actuation
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a method and a device for controlling a starter to exit. The invention comprises the following steps: monitoring the rotating speed of the engine, and determining the rotating speed change rate of the engine according to the rotating speed of the engine; and controlling the starter to exit according to the rotating speed change rate. By the invention, the technical problem of low starting capability of the engine at the limit temperature in the related art is solved.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a method and a device for controlling a starter to exit.
Background
The regions of China are wide and the climate is complex, the winter temperature of the most northern desert regions of China can reach minus 40 ℃, and the winter temperature of most regions of China in the north is below minus 10 ℃. In the vast northern market, the cold start capability of an engine directly affects the sales volume of the engine.
In the low-temperature starting stage, in order to ensure the starting effect, a key switch is manually kept at an 'STRT' position all the time, namely, a T50 state is set all the time, the control logic in the related technology is that an ECU determines the exit rotating speed of a starter according to the current water temperature, when the rotating speed of an engine reaches the rotating speed, the ECU controls a starting relay to be disconnected, the starter exits, the rotating speed in the exiting process is difficult to calibrate, if the rotating speed is calibrated to be too low, the maximum capacity of the starter cannot be exerted, if the rotating speed is calibrated to be too high, the starter exits too late, negative work can be performed on the engine, the rotating speed calibration is too low and too high, the starting capacity of the engine is not favorable for starting, and particularly the starting capacity at the limit temperature is greatly reduced.
At present, aiming at starting a controlled engine, in a starting stage, particularly in a low-temperature starting stage, the exiting rotating speed of a starter is difficult to control, the starter is controlled to exit too early, the maximum dragging capability of the starter cannot be exerted, and if the starter exits too late, the condition that the starter is dragged by the engine is generated, so that the low-temperature starting of the engine is not facilitated by controlling the starter to exit too early or too late.
In view of the above problems in the related art, no effective solution has been proposed.
Disclosure of Invention
The invention mainly aims to provide a method and a device for controlling a starter to exit so as to solve the technical problem that the starting capability of the starter is low at a limit temperature in the related art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a method of controlling exit of a starter for controlling starting of an engine, the invention comprising: monitoring the rotating speed of the engine, and determining the rotating speed change rate of the engine according to the rotating speed of the engine; and controlling the starter to exit according to the rotating speed change rate.
Further, controlling the starter to exit in accordance with a rate of change of a speed of the engine includes: judging whether the rotating speed change rate reaches a rotating speed change rate threshold value or not; and under the condition that the rotating speed change rate reaches the rotating speed change rate threshold value, controlling the starter to quit.
Further, determining whether the rate of change of the rotational speed reaches a threshold rate of change of the rotational speed includes: judging whether the rotating speed of the engine reaches a first rotating speed threshold value; under the condition that the rotating speed of the engine reaches a first rotating speed threshold value, judging whether the rotating speed of the engine lasts for a first preset time period; and under the condition that the engine speed continues for a first preset time period, judging whether the engine speed change rate reaches a speed change rate threshold value.
Further, in the case that the rotation speed change rate has not reached the rotation speed change rate threshold within a second preset time period, the method further includes: judging whether the rotating speed of the engine is greater than or equal to a second rotating speed threshold value; and controlling the starter to exit under the condition that the engine speed is greater than or equal to the second speed threshold value.
Further, controlling starter exit includes: the starting relay is controlled to be opened so that the starter is withdrawn.
Further, before determining whether the rate of change of the rotational speed reaches the rate of change of the rotational speed threshold, the method further includes: acquiring the engine temperature and the engine speed in the starting stage of the engine; and determining a speed change rate threshold according to the mapping relation between the engine temperature and the engine speed.
In order to achieve the above object, according to another aspect of the present invention, there is provided an apparatus for controlling exit of a starter for controlling starting of an engine, the apparatus comprising: the first determining unit is used for monitoring the rotating speed of the engine and determining the rotating speed change rate of the engine according to the rotating speed of the engine; and the first control unit is used for controlling the starter to quit according to the rotating speed change rate.
In order to achieve the above object, according to another aspect of the present invention, a "computer-readable storage medium" or "non-volatile storage medium", which includes a stored program, is provided, wherein when the program runs, a device in which the "computer-readable storage medium" or "non-volatile storage medium" is controlled performs the above method for controlling the starter exit.
In order to achieve the above object, according to another aspect of the present invention, a processor for running a program is provided, wherein the program is run to execute the above method for controlling starter exit.
The invention adopts the following steps: monitoring the rotating speed of the engine, and determining the rotating speed change rate of the engine according to the rotating speed of the engine; according to the change rate of the rotating speed, the starter is controlled to exit, the technical problem that the starting capability of the engine is low at the limit temperature in the related technology is solved, and the technical effect of improving the low-temperature starting capability of the engine is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a method of controlling starter exit provided in accordance with an embodiment of the present invention; and
fig. 2 is a schematic diagram of an apparatus for controlling starter exit according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of description, some terms or expressions referring to the embodiments of the present invention are explained below:
an electric control engine: the engine is composed of an Electronic Control Unit (ECU), a sensor and an actuator, and an electric control system is used for completing various control functions.
A starter: the motor converts the electric energy of the storage battery into mechanical energy to drive the flywheel of the engine to rotate so as to start the engine.
According to an embodiment of the present invention, a method of controlling starter exit is provided.
Fig. 1 is a flowchart of a method of controlling starter exit according to an embodiment of the present invention. As shown in fig. 1, the present invention comprises the steps of:
step S101, monitoring the rotating speed of an engine, and determining the rotating speed change rate of the engine according to the rotating speed of the engine;
and step S102, controlling the starter to quit according to the rotating speed change rate.
In the prior art, the control logic for controlling the starter to quit the starting process is as follows: the ECU determines the exit rotating speed of the starter according to the current water temperature, when the rotating speed of the engine reaches the rotating speed, the ECU controls the starting relay to be disconnected, the starter exits, the exit rotating speed is difficult to calibrate, if the rotating speed is calibrated to be too low, the starter exits too early and cannot exert the maximum capacity of the starter, if the rotating speed is calibrated to be too high and the starter exits too late, the starting opportunity can be used as the load of the engine to do negative work on the engine, meanwhile, the starter is easy to be damaged by dragging the engine to a higher rotating speed, the starting of the engine is not facilitated due to the fact that the rotating speed is calibrated to be too low and too high, and particularly, the starting capacity of.
According to the method for controlling the starter to exit, which is provided by the embodiment of the invention, the rotating speed of the engine is monitored, and the rotating speed change rate of the engine is determined according to the rotating speed of the engine; according to the change rate of the rotating speed, the starter is controlled to exit, the technical problem that the starting capability of the engine is low at the limit temperature in the related technology is solved, and the technical effect of improving the low-temperature starting capability of the engine is achieved.
Therefore, the method for controlling the starter to exit is provided, and particularly, the rotating speed of the engine in the starting stage is monitored in real time through an ECU, the rotating speed change rate of the engine is calculated through the rotating speed, and then the starter is controlled to exit correspondingly according to the rotating speed change rate of the engine so as to avoid the mode that the starter exits by means of unreliable water temperature under the limit temperature.
By the method, the starting process is realized, the starter automatically exits, the starter plays the greatest role in the starting process, the starting capability of the engine is effectively improved, the reliability of the starter is improved, meanwhile, the function of the starter in the starting stage of the engine can be effectively played, the cold starting capability of the engine is improved, and the fault rate of the starter is reduced.
Optionally, controlling starter exit in dependence upon a rate of change of speed of the engine comprises: judging whether the rotating speed change rate reaches a rotating speed change rate threshold value or not; and under the condition that the rotating speed change rate reaches the rotating speed change rate threshold value, controlling the starter to quit.
Specifically, the ECU monitors the change rate of the rotating speed of the engine in the starting stage of the engine, when the change rate of the rotating speed of the engine is detected to exceed a first limit value (threshold value of the change rate of the rotating speed), the starter is controlled to quit, if the change rate of the rotating speed of the engine is not detected to exceed the first limit value, the starter is controlled not to quit, namely, the ECU monitors the change rate of the rotating speed of the engine in the starting stage in real time, when the engine is ignited successfully, the change rate of the rotating speed is obviously improved, when the ECU monitors that the change rate of the rotating speed of the engine exceeds the first limit value, the ECU automatically judges that the engine is ignited successfully, and controls the starter to quit.
Optionally, the determining whether the rotation speed change rate reaches the rotation speed change rate threshold includes: judging whether the rotating speed of the engine reaches a first rotating speed threshold value; under the condition that the rotating speed of the engine reaches a first rotating speed threshold value, judging whether the rotating speed of the engine lasts for a first preset time period; and under the condition that the engine speed continues for a first preset time period, judging whether the engine speed change rate reaches a speed change rate threshold value.
In the above, when the starter is controlled to exit according to the rate of change of the engine speed, the starter may be mistakenly exited in an abnormal situation.
Specifically, the abnormal situations include: the change rate of the rotating speed of the engine is large in the dragging stage of the starter, or the rotating speed is suddenly changed due to the single-cylinder ignition of the engine; in order to prevent the starter from being withdrawn by mistake under the abnormal condition, the functions of 'first rotating speed threshold' and 'time delay' of the rotating speed of the engine are added on the control condition of controlling the starter to be withdrawn according to the rotating speed change rate of the engine, and the engine is considered to be started successfully when the engine reaches the required rotating speed and then has a larger rotating speed change rate.
That is, it is determined whether the rotational speed of the engine has reached a first rotational speed threshold, and when the rotational speed of the engine has reached the first rotational speed threshold, it is determined whether the rotational speed of the engine continues for a first preset time period (i.e., the rotational speed of the engine is determined in a delayed manner, so as to avoid the situation that the starter is mistakenly exited because the rotational speed of the engine momentarily reaches a higher rotational speed due to instability of the rotational speed), and when the rotational speed of the engine has reached the first rotational speed threshold and continues for the first preset time period, it is determined whether the rate of change of the rotational speed of the engine has reached a rate of change threshold, and if the rate of change of the rotational speed of the engine has also reached the rate of change threshold, it is determined that the engine is successfully ignited under normal conditions, and at this time.
Optionally, in a case that the rotation speed change rate has not reached the rotation speed change rate threshold value within the second preset time period, the method further includes: judging whether the rotating speed of the engine is greater than or equal to a second rotating speed threshold value; and controlling the starter to exit under the condition that the engine speed is greater than or equal to the second speed threshold value.
Specifically, in the actual use process of the engine, in order to prevent the engine speed change rate from being calibrated improperly (that is, the engine speed change rate is calibrated too high, and the starter does not exit the starting stage in time when the engine speed change rate is calibrated too high), the starter exits too late, and the starter is damaged.
Under the condition, the rotating speed of the engine is increased to be a second rotating speed threshold value in the control means, when the rotating speed change rate of the engine is detected not to reach the rotating speed change rate threshold value within a period of time, whether the engine is ignited successfully is judged by detecting the rotating speed of the engine, when the rotating speed of the engine is detected to exceed the second rotating speed threshold value, the engine is judged to be ignited successfully, the starter is controlled to be quit forcibly, and therefore the starter is protected.
Optionally, controlling starter exit comprises: the starting relay is controlled to be opened so that the starter is withdrawn.
In the above, in the present embodiment, the starter is controlled to exit the starting stage by controlling the starter relay to be turned off.
It should be noted that, it is also within the scope of the present application to control the starter to exit the starting stage by other means, and details are not described herein.
Optionally, before determining whether the rotation speed change rate reaches the rotation speed change rate threshold, the method further includes: acquiring the engine temperature and the engine speed in the starting stage of the engine; and determining a speed change rate threshold according to the mapping relation between the engine temperature and the engine speed.
In the above, the threshold value of the starting speed change rate is obtained by checking the engine temperature in the starting stage according to the CUR of the corresponding speed change rate, wherein a certain mapping relationship exists between the engine temperature and the engine speed for determining the threshold value of the engine speed change rate.
In this embodiment, the ECU determines whether the starter is in operation according to the state of the engine starting stage, so as to implement automatic control of the starter exiting, perform the maximum function of the starter, reduce the failure rate, improve the low-temperature starting capability of the engine, and implement automatic determination of the starter exiting.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions and, although a logical order is illustrated in the flow charts, in some cases, the steps illustrated or described may be performed in an order different than here.
The embodiment of the invention also provides a device for controlling the starter to exit, and it should be noted that the device for controlling the starter to exit can be used for executing the method for controlling the starter to exit provided by the embodiment of the invention. The following describes a device for controlling starter exit according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an apparatus for controlling starter exit according to an embodiment of the present invention, wherein a starter is used to control starting of an engine, as shown in fig. 2, the apparatus includes: a first determining unit 201 for monitoring the engine speed and determining the speed change rate of the engine by the engine speed; the first control unit 202 is configured to control the starter to exit according to the rotation speed change rate.
According to the device for controlling the starter to exit provided by the embodiment of the invention, the first determining unit 201 is used for monitoring the rotating speed of the engine and determining the rotating speed change rate of the engine according to the rotating speed of the engine; the first control unit 202 is used for controlling the starter to exit according to the rotating speed change rate, so that the technical problem of low starting capability of the engine at the limit temperature in the related art is solved, and the technical effect of improving the low-temperature starting capability of the engine is further achieved.
Optionally, the first control unit comprises: the judging subunit is used for judging whether the rotating speed change rate reaches a rotating speed change rate threshold value; and the first control subunit is used for controlling the starter to quit under the condition that the rotating speed change rate reaches the rotating speed change rate threshold value.
Optionally, the judging subunit includes: the first judgment module is used for judging whether the rotating speed of the engine reaches a first rotating speed threshold value; the second judging module is used for judging whether the engine speed lasts for a first preset time period or not under the condition that the engine speed reaches the first speed threshold; and the third judging module is used for judging whether the change rate of the engine rotating speed reaches the threshold value of the change rate of the rotating speed under the condition that the rotating speed of the engine continues for the first preset time period.
Optionally, the apparatus further comprises: the judging unit is used for judging whether the rotating speed of the engine is greater than or equal to a second rotating speed threshold value or not under the condition that the rotating speed change rate still does not reach the rotating speed change rate threshold value in a second preset time period; and the second control unit is used for controlling the starter to exit under the condition that the engine speed is greater than or equal to the second speed threshold value.
Optionally, the first control unit and/or the second control unit comprises: and the second control subunit is used for controlling the starting relay to be disconnected so as to enable the starter to be withdrawn.
Optionally, the apparatus further comprises: the acquisition unit is used for acquiring the engine temperature and the engine speed in the engine starting stage before judging whether the speed change rate reaches the speed change rate threshold value; and the second determining unit is used for determining the threshold value of the rotating speed change rate according to the mapping relation between the engine temperature and the engine rotating speed.
The device for controlling the starter to exit comprises a processor and a memory, wherein the first determining unit 201 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. One or more than one kernel can be set, and the technical problem of low starting capability of the engine at the limit temperature in the related art is solved by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
The embodiment of the invention provides a 'computer readable storage medium' or 'nonvolatile storage medium', and a program is stored on the 'computer readable storage medium' or 'nonvolatile storage medium', and when the program is executed by a processor, the program realizes a method for controlling the starter to exit.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes a method for controlling a starter to exit when running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps: monitoring the rotating speed of the engine, and determining the rotating speed change rate of the engine according to the rotating speed of the engine; and controlling the starter to exit according to the rotating speed change rate.
Optionally, controlling starter exit in dependence upon a rate of change of speed of the engine comprises: judging whether the rotating speed change rate reaches a rotating speed change rate threshold value or not; and under the condition that the rotating speed change rate reaches the rotating speed change rate threshold value, controlling the starter to quit.
Optionally, the determining whether the rotation speed change rate reaches the rotation speed change rate threshold includes: judging whether the rotating speed of the engine reaches a first rotating speed threshold value; under the condition that the rotating speed of the engine reaches a first rotating speed threshold value, judging whether the rotating speed of the engine lasts for a first preset time period; and under the condition that the engine speed continues for a first preset time period, judging whether the engine speed change rate reaches a speed change rate threshold value.
Optionally, in a case that the rotation speed change rate has not reached the rotation speed change rate threshold value within the second preset time period, the method further includes: judging whether the rotating speed of the engine is greater than or equal to a second rotating speed threshold value; and controlling the starter to exit under the condition that the engine speed is greater than or equal to the second speed threshold value.
Optionally, controlling starter exit comprises: the starting relay is controlled to be opened so that the starter is withdrawn.
Optionally, before determining whether the rotation speed change rate reaches the rotation speed change rate threshold, the method further includes: acquiring the engine temperature and the engine speed in the starting stage of the engine; and determining a speed change rate threshold according to the mapping relation between the engine temperature and the engine speed. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The invention also provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: monitoring the rotating speed of the engine, and determining the rotating speed change rate of the engine according to the rotating speed of the engine; and controlling the starter to exit according to the rotating speed change rate.
Optionally, controlling starter exit in dependence upon a rate of change of speed of the engine comprises: judging whether the rotating speed change rate reaches a rotating speed change rate threshold value or not; and under the condition that the rotating speed change rate reaches the rotating speed change rate threshold value, controlling the starter to quit.
Optionally, the determining whether the rotation speed change rate reaches the rotation speed change rate threshold includes: judging whether the rotating speed of the engine reaches a first rotating speed threshold value; under the condition that the rotating speed of the engine reaches a first rotating speed threshold value, judging whether the rotating speed of the engine lasts for a first preset time period; and under the condition that the engine speed continues for a first preset time period, judging whether the engine speed change rate reaches a speed change rate threshold value.
Optionally, in a case that the rotation speed change rate has not reached the rotation speed change rate threshold value within the second preset time period, the method further includes: judging whether the rotating speed of the engine is greater than or equal to a second rotating speed threshold value; and controlling the starter to exit under the condition that the engine speed is greater than or equal to the second speed threshold value.
Optionally, controlling starter exit comprises: the starting relay is controlled to be opened so that the starter is withdrawn.
Optionally, before determining whether the rotation speed change rate reaches the rotation speed change rate threshold, the method further includes: acquiring the engine temperature and the engine speed in the starting stage of the engine; and determining a speed change rate threshold according to the mapping relation between the engine temperature and the engine speed.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A method of controlling exit of a starter used to control starting of an engine, comprising:
monitoring the rotating speed of an engine, and determining the rotating speed change rate of the engine according to the rotating speed of the engine;
and controlling the starter to exit according to the rotating speed change rate.
2. The method of claim 1, wherein controlling starter exit as a function of the rate of change of speed of the engine comprises:
judging whether the rotating speed change rate reaches a rotating speed change rate threshold value;
and controlling the starter to exit under the condition that the rotating speed change rate reaches the rotating speed change rate threshold value.
3. The method of claim 2, wherein determining whether the rate of change of speed reaches a rate of change of speed threshold comprises:
judging whether the rotating speed of the engine reaches a first rotating speed threshold value;
under the condition that the engine speed reaches the first speed threshold value, judging whether the engine speed continues for a first preset time period;
and under the condition that the engine speed continues for the first preset time period, judging whether the engine speed change rate reaches the speed change rate threshold value.
4. The method of claim 2, wherein if the rate of change of speed has not reached the rate of change of speed threshold within a second preset time period, the method further comprises:
judging whether the engine speed is greater than or equal to a second speed threshold value;
and controlling the starter to exit under the condition that the engine speed is greater than or equal to the second speed threshold value.
5. The method of claim 2 or 4, wherein controlling the starter exit comprises:
and controlling a starting relay to be disconnected so as to enable the starter to be withdrawn.
6. The method of claim 2, wherein prior to determining whether the rate of change of speed reaches a rate of change of speed threshold, the method further comprises:
acquiring the engine temperature and the engine speed in the starting stage of the engine;
and determining the rotating speed change rate threshold according to the mapping relation between the engine temperature and the engine rotating speed.
7. An apparatus for controlling exit of a starter used for controlling starting of an engine, comprising:
the first determining unit is used for monitoring the rotating speed of the engine and determining the rotating speed change rate of the engine according to the rotating speed of the engine;
and the first control unit is used for controlling the starter to quit according to the rotating speed change rate.
8. The apparatus of claim 7, wherein the first control unit comprises:
the judging subunit is used for judging whether the rotating speed change rate reaches a rotating speed change rate threshold value;
and the first control subunit is used for controlling the starter to quit under the condition that the rotating speed change rate reaches the rotating speed change rate threshold value.
9. A "computer-readable storage medium" or "non-volatile storage medium", wherein the "computer-readable storage medium" or "non-volatile storage medium" includes a stored program, and wherein the "computer-readable storage medium" or "non-volatile storage medium" is controlled by a device in which the program is executed to perform a method for controlling starter exit according to any one of claims 1 to 6.
10. A processor, characterized in that the processor is configured to run a program, wherein the program is run to perform a method of controlling starter exit according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574944.5A CN111664035A (en) | 2020-06-22 | 2020-06-22 | Method and device for controlling starter to exit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574944.5A CN111664035A (en) | 2020-06-22 | 2020-06-22 | Method and device for controlling starter to exit |
Publications (1)
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| CN116335861A (en) * | 2023-04-10 | 2023-06-27 | 潍柴动力股份有限公司 | Starter protection method and device |
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Application publication date: 20200915 |