CN110609577A - Control method and device for electric control engine, electronic equipment and storage medium - Google Patents
Control method and device for electric control engine, electronic equipment and storage medium Download PDFInfo
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- CN110609577A CN110609577A CN201910918975.5A CN201910918975A CN110609577A CN 110609577 A CN110609577 A CN 110609577A CN 201910918975 A CN201910918975 A CN 201910918975A CN 110609577 A CN110609577 A CN 110609577A
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- rotating speed
- speed
- water temperature
- control engine
- engine
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
- G05D13/62—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The present disclosure provides a control method and apparatus of an electronically controlled engine, a mine car, an electronic device, and a storage medium. The method comprises the following steps: the method comprises the steps of responding to a received vehicle dynamic braking signal, obtaining an environment temperature and the water temperature of an electric control engine, determining a target rotating speed corresponding to the electric control engine according to the environment temperature, the water temperature and a preset mapping table, controlling the electric control engine to operate at the target rotating speed, determining the target rotating speed of the electric control engine according to the environment temperature and the water temperature, and controlling the electric control engine to operate at the target rotating speed, so that the flexibility of controlling the electric control engine is realized, the cooling requirement is met, and the technical effect of reducing the oil consumption is also realized.
Description
Technical Field
The disclosure relates to the technical field of vehicle control, in particular to a control method and device of an electronic control engine, a mine car, electronic equipment and a storage medium.
Background
The electronic control engine is different from the carburetor engine in the fuel supply system. The fuel supply system of the electric control engine cancels a carburetor, but adds a plurality of electronic automatic control devices. Including a number of sensors, actuators and Electronic Control Units (ECUs).
Electronically controlled engines are used in vehicles such as mining cars which typically operate on relatively complex operating conditions such as large downhill slopes, large uphill slopes, etc. approximately 25% of the time in a dynamic braking mode in which the engine need only power a fan for cooling. In the prior art, the electric motor is controlled to rotate at a constant rotational speed when the vehicle is in a dynamic braking mode.
Disclosure of Invention
The present disclosure provides a control method and apparatus of an electronically controlled engine, a mine car, an electronic device, and a storage medium.
In one aspect, an embodiment of the present disclosure provides a method for controlling an electronically controlled engine, where the method includes:
acquiring the ambient temperature and the water temperature of an electric control engine in response to the received vehicle dynamic braking signal;
determining a target rotating speed corresponding to the electric control engine according to the environment temperature, the water temperature and a preset mapping table;
and controlling the electric control engine to operate at the target rotating speed.
In some embodiments, after said controlling said electronically controlled engine to operate at said target speed, said method further comprises:
responding to a received rotating speed request carrying a first rotating speed, and judging the first rotating speed and the target rotating speed;
if the first rotating speed is lower than the target rotating speed, controlling the electric control engine to operate at the first rotating speed;
and if the first rotating speed is greater than the target rotating speed, controlling the electronic control engine to keep running at the target rotating speed.
In some embodiments, before said obtaining the ambient temperature and the water temperature of the electronically controlled engine, the method further comprises:
acquiring the speed of a vehicle;
responding to the speed larger than a preset speed threshold value, and judging whether the vehicle dynamic braking signal exists or not;
and if the vehicle dynamic braking signal exists, acquiring the ambient temperature and the water temperature of the electronic control engine.
In some embodiments, before the determining the target speed corresponding to the electronically controlled engine according to the ambient temperature, the water temperature and a preset map, the method further includes:
acquiring historical data corresponding to the electronic control engine, wherein the historical data at least comprises various environment temperatures, various water temperatures, various oil consumption parameters, various cooling parameters and various rotating speeds;
determining the rotating speed with the highest matching degree with each environment temperature and each water temperature according to each oil consumption parameter and each cooling parameter;
and constructing a mapping relation between each rotating speed and the ambient temperature and the water temperature corresponding to each rotating speed to generate the mapping table.
On the other hand, the embodiment of the present disclosure further provides a control device of an electronically controlled engine, the device including:
the first acquisition module is used for responding to the received vehicle dynamic braking signal and acquiring the ambient temperature and the water temperature of the electric control engine;
the first determining module is used for determining a target rotating speed corresponding to the electronic control engine according to the environment temperature, the water temperature and a preset mapping table;
and the first control module is used for controlling the electric control engine to operate at the target rotating speed.
In some embodiments, the apparatus further comprises:
the first judgment module is used for responding to a received rotating speed request carrying a first rotating speed and judging the first rotating speed and the target rotating speed;
the second control module is used for controlling the electric control engine to operate at the first rotating speed if the first rotating speed is smaller than the target rotating speed;
the second control module is further configured to control the electronically controlled engine to maintain operation at the target speed if the first speed is greater than the target speed.
In some embodiments, the apparatus further comprises:
the second acquisition module is used for acquiring the speed of the vehicle;
the second judgment module is used for responding to the condition that the speed is greater than a preset speed threshold value and judging whether the vehicle dynamic braking signal exists or not;
the first obtaining module is used for obtaining the ambient temperature and the water temperature of the electric control engine if the vehicle dynamic braking signal exists.
In some embodiments, the apparatus further comprises:
the third acquisition module is used for acquiring historical data corresponding to the electronic control engine, wherein the historical data at least comprises various environment temperatures, various water temperatures, various oil consumption parameters, various cooling parameters and various rotating speeds;
the second determining module is used for determining the rotating speed with the highest matching degree with each environment temperature and each water temperature according to each oil consumption parameter and each cooling parameter;
and the construction module is used for constructing the mapping relation between each rotating speed and the ambient temperature and the water temperature corresponding to each rotating speed to generate the mapping table.
In another aspect, embodiments of the present disclosure also provide a mine car including the control device for an electronically controlled engine according to any one of the above embodiments.
In another aspect, an embodiment of the present disclosure further provides an electronic device, including: a memory, a processor;
a memory for storing the processor-executable instructions;
wherein the processor, when executing the instructions in the memory, is configured to implement a method as in any of the embodiments above.
In another aspect, the disclosed embodiments also provide a computer-readable storage medium, in which computer-executable instructions are stored, and when executed by a processor, the computer-executable instructions are used to implement the method according to any one of the above embodiments.
The present disclosure provides a method comprising: the method comprises the steps of responding to a received vehicle dynamic braking signal, obtaining an environment temperature and the water temperature of an electric control engine, determining a target rotating speed corresponding to the electric control engine according to the environment temperature, the water temperature and a preset mapping table, controlling the electric control engine to operate at the target rotating speed, determining the target rotating speed of the electric control engine according to the environment temperature and the water temperature, and controlling the electric control engine to operate at the target rotating speed, so that the flexibility of controlling the electric control engine is realized, the cooling requirement is met, and the technical effect of reducing the oil consumption is also realized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of a scene of a control method of an electronically controlled engine according to an embodiment of the present disclosure;
FIG. 2 is a schematic flow chart diagram of a method of controlling an electronically controlled engine according to an embodiment of the present disclosure;
fig. 3 is a flowchart illustrating a control method of an electronically controlled engine according to another embodiment of the present disclosure;
fig. 4 is a flowchart illustrating a control method of an electronically controlled engine according to another embodiment of the present disclosure;
FIG. 5 is a flowchart illustrating a method for generating a mapping table according to an embodiment of the disclosure;
FIG. 6 is a block schematic diagram of a control device of an electronically controlled engine according to an embodiment of the present disclosure;
fig. 7 is a block diagram schematically illustrating a control apparatus for an electronically controlled engine according to another embodiment of the present disclosure;
fig. 8 is a block diagram schematically illustrating a control apparatus for an electronically controlled engine according to another embodiment of the present disclosure;
fig. 9 is a block diagram schematically illustrating a control apparatus for an electronically controlled engine according to another embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of an electronic device according to an embodiment of the disclosure;
reference numerals: 10. the system comprises a vehicle, 20, minerals, 1, a first obtaining module, 2, a first determining module, 3, a first control module, 4, a first judging module, 5, a second control module, 6, a second obtaining module, 7, a second judging module, 8, a third obtaining module, 9, a second determining module, 10 and a constructing module.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The control method of the electric control engine provided by the embodiment of the disclosure can be applied to the scene shown in fig. 1.
In the application scenario shown in fig. 1, an electronically controlled engine is provided on the vehicle 10 to power the vehicle 10.
In some embodiments, the vehicle 10 is a mining vehicle, i.e., the vehicle 10 is a mine car, for transporting the mineral 20.
The following describes the technical solutions of the present disclosure and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present disclosure will be described below with reference to the accompanying drawings.
In one aspect, the embodiment of the disclosure provides a control method of an electronically controlled engine suitable for the above scenario.
Referring to fig. 2, fig. 2 is a schematic flow chart of a control method of an electronically controlled engine according to an embodiment of the present disclosure.
As shown in fig. 2, the method includes:
s201: in response to receiving a vehicle dynamic braking signal, ambient temperature and water temperature of an electronically controlled engine are obtained.
In some embodiments, a main body performing the control method of the electronically controlled engine of the embodiments of the present disclosure may be a control device of the electronically controlled engine, and the control device of the electronically controlled engine may be an Electronic Control Unit (ECU).
In this step, the electronic control unit may receive a vehicle dynamic braking signal, and upon receiving the vehicle braking signal, acquire an ambient temperature and a water temperature of the electronically controlled engine.
The vehicle dynamic braking signal refers to a signal for indicating that the vehicle enters a dynamic braking mode. For example, when the driver performs a braking operation during the running of the vehicle, a corresponding vehicle dynamic braking signal is generated, and the vehicle enters a dynamic braking mode.
The environmental temperature refers to an environmental temperature corresponding to the electronically controlled engine, such as a temperature of the engine or a temperature of a space where the engine is located.
S202: and determining the target rotating speed corresponding to the electric control engine according to the ambient temperature, the water temperature and a preset mapping table.
Wherein, the mapping table records the mapping relation among all environment temperatures, all water temperatures and all rotating speeds.
In this step, according to the obtained ambient temperature and water temperature, the mapping table is queried to obtain a rotation speed corresponding to the ambient temperature and the water temperature, and the rotation speed is determined as a target rotation speed.
In the prior art, when the vehicle is in a dynamic braking mode, the rotation speed of the electronically controlled engine is a constant rotation speed. That is, if the vehicle is in the dynamic braking mode, the electronically controlled engine is rotated at a constant rotational speed.
However, in the embodiment of the present disclosure, the target rotation speed of the electronically controlled engine is selected according to the ambient temperature and the water temperature, and cooling and oil consumption are both considered, so that the energy is saved, the reliability of cooling is satisfied, and the technical effect of prolonging the service life of the vehicle is further achieved.
S203: and controlling the electrically controlled engine to operate at the target rotating speed.
Now, taking a mining vehicle (hereinafter referred to as a mine car) as an example, the scheme and effect of the embodiment of the disclosure are explained in detail by combining the prior art as follows:
mine cars generally operate on relatively complex working conditions such as large downhill slopes, large uphill slopes, level roads and the like. Taking the statistical data of the inner Mongolia Shenhua Daigui coal mine as an example, the mine car runs in a dynamic braking mode in about 25% of the time, and the electric control engine only needs to provide power for the fan to cool in the dynamic braking mode.
In the prior art, the control method of the electronic control engine is to control the electronic control engine to operate at a constant rotating speed in a dynamic braking mode. However, if the set constant rotation speed ratio is high, the fuel consumption of the electronically controlled engine is also high, and if the set constant rotation speed ratio is low, the electronically controlled engine may not meet the cooling requirement of the fan.
In the embodiment of the disclosure, if the mine car is in the dynamic braking mode, the ambient temperature and the water temperature are respectively obtained, so that the rotating speed of the electronic control engine is determined based on the ambient temperature and the water temperature, and the electronic control engine is controlled to operate at the rotating speed.
Namely, in the embodiment of the disclosure, the influence of the ambient temperature and the water temperature on the rotating speed of the electric control engine is fully considered, the oil consumption and the cooling effect are both considered, the rotating speed is determined through flexibility, and the electric control engine is controlled to operate at the determined rotating speed, so that the technical effects of meeting the cooling requirement and reducing the oil consumption are realized while the flexibility of mine car control is realized.
The embodiment of the disclosure provides a novel control method of an electronic control engine, which comprises the following steps: the method comprises the steps of responding to a received vehicle dynamic braking signal, obtaining an environment temperature and the water temperature of an electric control engine, determining a target rotating speed corresponding to the electric control engine according to the environment temperature, the water temperature and a preset mapping table, controlling the electric control engine to operate at the target rotating speed, determining the target rotating speed of the electric control engine according to the environment temperature and the water temperature, and controlling the electric control engine to operate at the target rotating speed, so that the flexibility of controlling the electric control engine is realized, the cooling requirement is met, and the technical effect of reducing the oil consumption is also realized.
Referring to fig. 3, fig. 3 is a schematic flow chart of a control method of an electronically controlled engine according to another embodiment of the present disclosure.
As shown in fig. 3, the method includes:
s301: in response to receiving a vehicle dynamic braking signal, ambient temperature and water temperature of an electronically controlled engine are obtained.
The description of S301 may refer to S201, and is not repeated here.
S302: and determining the target rotating speed corresponding to the electric control engine according to the ambient temperature, the water temperature and a preset mapping table.
For the description of S302, refer to S202, which is not described herein again.
S303: and controlling the electrically controlled engine to operate at the target rotating speed.
For the description of S303, refer to S203, which is not described herein again.
S304: in response to receiving the rotation speed request carrying the first rotation speed, determining the magnitudes of the first rotation speed and the target rotation speed, if the first rotation speed is less than the target rotation speed, executing S305, and if the first rotation speed is greater than the target rotation speed, executing S306.
In this step, if the driver performs an operation of stepping on the accelerator pedal, the first rotational speed may be determined based on the opening degree of the accelerator pedal, and the electronic control unit receives the rotational speed request, extracts the first rotational speed carried in the rotational speed request, and determines the magnitude of the first rotational speed and the target rotational speed.
S305: and controlling the electrically controlled engine to operate at the first rotating speed.
And if the first rotating speed is lower than the target rotating speed, controlling the electrically controlled engine to operate at the first rotating speed so as to achieve the technical effect of saving energy.
S306: and controlling the electrically controlled engine to operate at the target rotating speed.
In this step, if the first rotation speed is greater than the target rotation speed, the electronically controlled engine is still controlled to operate at the target rotation speed because the target rotation speed is sufficient to meet the cooling requirement, thereby achieving the technical effect of saving energy.
Referring to fig. 4, fig. 4 is a schematic flow chart of a control method of an electronically controlled engine according to another embodiment of the present disclosure.
As shown in fig. 4, the method includes:
s401': the speed of the vehicle is acquired.
S402': and responding to the speed greater than a preset speed threshold value, judging whether a vehicle dynamic braking signal exists, and if so, executing S401.
Wherein the speed threshold may be set based on demand.
In some embodiments, the speed threshold may be used to characterize the launch of the vehicle.
In the embodiment of the disclosure, after the electronic control engine is powered on, the electronic control unit obtains the speed of the vehicle, compares the speed with a speed threshold, and if the speed is greater than the speed threshold, continuously judges whether a vehicle dynamic braking signal exists.
S401: and acquiring the ambient temperature and the water temperature of the electric control engine.
The description of S401 may refer to S201, and is not repeated here.
S402: and determining the target rotating speed corresponding to the electric control engine according to the ambient temperature, the water temperature and a preset mapping table.
The description of S402 can refer to S202, and is not repeated here.
S403: and controlling the electrically controlled engine to operate at the target rotating speed.
For the description of S403, refer to S203, which is not described herein again.
Referring to fig. 5, fig. 5 is a flowchart illustrating a method for generating a mapping table according to an embodiment of the disclosure.
As shown in fig. 5, the method includes:
s51: and acquiring historical data corresponding to the electric control engine, wherein the historical data at least comprises each environment temperature, each water temperature, each oil consumption parameter, each cooling parameter and each rotating speed.
In this step, history data corresponding to the electronically controlled engine is acquired.
In some embodiments, historical data may be obtained over the last half year of an electronically controlled engine, wherein the time range corresponding to the historical data may be set based on demand, which is exemplary only and should not be construed as limiting the scope of the disclosed embodiments.
The historical data comprises relevant information of the electronic control engine in the running process or information relevant to the electronic control engine in the running process of the vehicle.
In the embodiment of the present disclosure, the historical data at least includes each ambient temperature, each water temperature, each oil consumption parameter, each cooling parameter, and each rotational speed.
For example: the environment temperatures comprise a1-an, the water temperatures comprise b1-bn, the oil consumption parameters are c1-cn, the cooling parameters are d1-dn, and the rotating speeds comprise e 1-en. The units of the ambient temperature and the water temperature can be both in centigrade, the unit of the oil consumption parameter can be in liters per kilometer, the cooling parameters can comprise a temperature parameter before cooling (the unit can be in centigrade), a temperature parameter after cooling (the unit can be in centigrade) and cooling efficiency (the unit can be in centigrade per minute), and the unit of the rotating speed can be in kilometers per hour.
S52: and determining the rotating speed with the highest matching degree with each environment temperature and each water temperature according to each oil consumption parameter and each cooling parameter.
The highest matching degree means that when the ambient temperature, the water temperature and the rotating speed are combined, the oil consumption parameter is the minimum, the cooling parameter is the maximum, and the cooling parameter means the cooling efficiency, namely the cooling parameter when the cooling effect is the best.
For example: when the ambient temperature is a, the water temperature is b, and the rotating speed is c, the oil consumption parameter is minimum, and the cooling parameter is maximum, and then the rotating speed c is determined as the rotating speed with the highest matching degree of the ambient temperature a and the water temperature b.
S53: and constructing a mapping relation between each rotating speed and each environment temperature and each water temperature corresponding to each rotating speed to generate a mapping table.
That is to say, when a certain environmental temperature and water temperature are determined, the rotating speed meeting the conditions that the oil consumption parameter is minimum and the cooling parameter is maximum under the condition of the environmental temperature and the water temperature can be obtained by inquiring the mapping table, and the technical effects of saving oil consumption and improving cooling efficiency can be realized by controlling the electric control engine to operate at the speed.
In some embodiments, the mapping table may be updated according to a preset time interval.
For example: after the vehicle runs for a certain time, performance parameters and the like may be changed, so a time interval may be set based on the requirement, so as to update the mapping table according to the time interval, thereby ensuring the technical effects of validity and reliability of the maximum rotating speed threshold value and the minimum rotating speed threshold value.
According to another aspect of the disclosed embodiment, the disclosed embodiment also provides a control device of the electric control engine.
Referring to fig. 6, fig. 6 is a block schematic diagram of a control device of an electronically controlled engine according to an embodiment of the present disclosure.
As shown in fig. 6, the apparatus includes:
the first acquisition module 1 is used for responding to the received vehicle dynamic braking signal and acquiring the ambient temperature and the water temperature of the electric control engine;
the first determining module 2 is used for determining a target rotating speed corresponding to the electronic control engine according to the environment temperature, the water temperature and a preset mapping table;
and the first control module 3 is used for controlling the electric control engine to operate at the target rotating speed.
As can be seen in fig. 7, in some embodiments, the apparatus further comprises:
the first judging module 4 is used for responding to a received rotating speed request carrying a first rotating speed and judging the first rotating speed and the target rotating speed;
the second control module 5 is used for controlling the electric control engine to operate at the first rotating speed if the first rotating speed is smaller than the target rotating speed;
the second control module 5 is further configured to control the electronically controlled engine to maintain operation at the target rotational speed if the first rotational speed is greater than the target rotational speed.
As can be seen in fig. 8, in some embodiments, the apparatus further comprises:
the second acquisition module 6 is used for acquiring the speed of the vehicle;
the second judging module 7 is used for responding to the condition that the speed is greater than a preset speed threshold value, and judging whether the vehicle dynamic braking signal exists or not;
the first obtaining module 1 is configured to, if the vehicle dynamic braking signal exists, perform the obtaining of the ambient temperature and the water temperature of the electronically controlled engine.
As can be seen in conjunction with fig. 9, in some embodiments, the apparatus further comprises:
a third obtaining module 8, configured to obtain historical data corresponding to the electronic control engine, where the historical data at least includes each ambient temperature, each water temperature, each oil consumption parameter, each cooling parameter, and each rotation speed;
the second determining module 9 is configured to determine, according to the oil consumption parameters and the cooling parameters, a rotation speed with the highest matching degree with the ambient temperatures and the water temperatures;
and the building module 10 is configured to build a mapping relationship between each of the rotation speeds and the ambient temperature and the water temperature corresponding to each of the rotation speeds, and generate the mapping table.
According to another aspect of an embodiment of the disclosure, there is also provided a mining vehicle including a control device for an electronically controlled engine as described in any one of the embodiments above.
According to another aspect of the embodiments of the present disclosure, there is also provided an electronic device, including: a memory, a processor;
a memory for storing processor-executable instructions;
wherein, when executing the instructions in the memory, the processor is configured to implement the method of any of the embodiments above.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an electronic device according to an embodiment of the disclosure.
As shown in fig. 10, the electronic device includes a memory and a processor, and the electronic device may further include a communication interface and a bus, wherein the processor, the communication interface, and the memory are connected by the bus; the processor is used to execute executable modules, such as computer programs, stored in the memory.
The Memory may include a high-speed Random Access Memory (RAM) and may also include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. Via at least one communication interface, which may be wired or wireless), the communication connection between the network element of the system and at least one other network element may be implemented using the internet, a wide area network, a local network, a metropolitan area network, etc.
The bus may be an ISA bus, PCI bus, EISA bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc.
The memory is used for storing a program, and the processor executes the program after receiving an execution instruction.
The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. The steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.
According to another aspect of the embodiments of the present disclosure, there is also provided a computer-readable storage medium having stored therein computer-executable instructions, which when executed by a processor, are configured to implement the method according to any one of the embodiments.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present disclosure.
In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present disclosure may be substantially or partially contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should also be understood that, in the embodiments of the present disclosure, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present disclosure.
While the present disclosure has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (11)
1. A control method of an electronically controlled engine, characterized in that the method comprises:
acquiring the ambient temperature and the water temperature of an electric control engine in response to the received vehicle dynamic braking signal;
determining a target rotating speed corresponding to the electric control engine according to the environment temperature, the water temperature and a preset mapping table;
and controlling the electric control engine to operate at the target rotating speed.
2. The method according to claim 1, characterized in that after said controlling the electronically controlled engine to operate at the target speed, the method further comprises:
responding to a received rotating speed request carrying a first rotating speed, and judging the first rotating speed and the target rotating speed;
if the first rotating speed is lower than the target rotating speed, controlling the electric control engine to operate at the first rotating speed;
and if the first rotating speed is greater than the target rotating speed, controlling the electronic control engine to keep running at the target rotating speed.
3. The method of claim 1, wherein prior to said obtaining ambient temperature and water temperature of an electronically controlled engine, the method further comprises:
acquiring the speed of a vehicle;
responding to the speed larger than a preset speed threshold value, and judging whether the vehicle dynamic braking signal exists or not;
and if the vehicle dynamic braking signal exists, acquiring the ambient temperature and the water temperature of the electronic control engine.
4. The method according to any one of claims 1 to 3, characterized in that before determining the corresponding target rotation speed of the electronically controlled engine according to the ambient temperature, the water temperature and a preset map, the method further comprises:
acquiring historical data corresponding to the electronic control engine, wherein the historical data at least comprises various environment temperatures, various water temperatures, various oil consumption parameters, various cooling parameters and various rotating speeds;
determining the rotating speed with the highest matching degree with each environment temperature and each water temperature according to each oil consumption parameter and each cooling parameter;
and constructing a mapping relation between each rotating speed and the ambient temperature and the water temperature corresponding to each rotating speed to generate the mapping table.
5. A control device of an electrically controlled engine, characterized by comprising:
the first acquisition module is used for responding to the received vehicle dynamic braking signal and acquiring the ambient temperature and the water temperature of the electric control engine;
the first determining module is used for determining a target rotating speed corresponding to the electronic control engine according to the environment temperature, the water temperature and a preset mapping table;
and the first control module is used for controlling the electric control engine to operate at the target rotating speed.
6. The apparatus of claim 5, further comprising:
the first judgment module is used for responding to a received rotating speed request carrying a first rotating speed and judging the first rotating speed and the target rotating speed;
the second control module is used for controlling the electric control engine to operate at the first rotating speed if the first rotating speed is smaller than the target rotating speed;
the second control module is further configured to control the electronically controlled engine to maintain operation at the target speed if the first speed is greater than the target speed.
7. The apparatus of claim 5, further comprising:
the second acquisition module is used for acquiring the speed of the vehicle;
the second judgment module is used for responding to the condition that the speed is greater than a preset speed threshold value and judging whether the vehicle dynamic braking signal exists or not;
the first obtaining module is used for obtaining the ambient temperature and the water temperature of the electric control engine if the vehicle dynamic braking signal exists.
8. The apparatus of any of claims 5 to 7, further comprising:
the third acquisition module is used for acquiring historical data corresponding to the electronic control engine, wherein the historical data at least comprises various environment temperatures, various water temperatures, various oil consumption parameters, various cooling parameters and various rotating speeds;
the second determining module is used for determining the rotating speed with the highest matching degree with each environment temperature and each water temperature according to each oil consumption parameter and each cooling parameter;
and the construction module is used for constructing the mapping relation between each rotating speed and the ambient temperature and the water temperature corresponding to each rotating speed to generate the mapping table.
9. A mining vehicle, characterized in that it comprises a control device of an electrically controlled engine according to any one of claims 5 to 8.
10. An electronic device, comprising: a memory, a processor;
a memory for storing the processor-executable instructions;
wherein the processor, when executing the instructions in the memory, is configured to implement the method of any of claims 1-4.
11. A computer-readable storage medium having computer-executable instructions stored thereon, which when executed by a processor, are configured to implement the method of any one of claims 1 to 4.
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