CN117200644A - Intelligent control method and system for motor rotation speed - Google Patents
Intelligent control method and system for motor rotation speed Download PDFInfo
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- CN117200644A CN117200644A CN202311146154.7A CN202311146154A CN117200644A CN 117200644 A CN117200644 A CN 117200644A CN 202311146154 A CN202311146154 A CN 202311146154A CN 117200644 A CN117200644 A CN 117200644A
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- 238000004590 computer program Methods 0.000 claims description 13
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- 238000004891 communication Methods 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 7
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The application provides an intelligent control method and system for motor rotation speed. The method comprises the following steps: determining a target rotational speed of the motor; load data related to the motor is obtained, and a rotating speed adjusting point position set is determined according to the load data; and controlling the motor to gradually adjust to the target rotating speed according to the rotating speed adjusting point position set. The scheme of the application can realize the step-by-step implementation of motor rotation speed regulation, is beneficial to realizing the accuracy of motor rotation speed regulation, and is especially suitable for certain load conditions with particularly high requirements on rotation speed accuracy.
Description
Technical Field
The application belongs to the technical field of motor control, and particularly relates to an intelligent control method and system for motor rotation speed.
Background
The motor is power equipment with wide application, the rotating speed is an important parameter of the motor, and the adaptation required by various functions of the load module, such as the adjustment of output torque, can be realized by adjusting the rotating speed of the motor, so that corresponding operation behaviors are realized. However, existing motor speed control focuses on how to determine the target speed, how to stably maintain the motor at the target speed, and lacks regulatory research for switching from the initial speed to the target speed. The solution of the present application aims to solve this technical problem.
Disclosure of Invention
In order to at least solve the technical problems in the background art, the application provides an intelligent control method, an intelligent control system, electronic equipment and a computer storage medium for motor rotation speed.
The first aspect of the application provides an intelligent control method for the rotating speed of a motor, which comprises the following steps:
determining a target rotational speed of the motor;
load data related to the motor is obtained, and a rotating speed adjusting point position set is determined according to the load data; the rotating speed adjusting point set comprises a plurality of rotating speed adjusting point positions which are sequenced in sequence;
and controlling the motor to gradually adjust to the target rotating speed according to the rotating speed adjusting point position set.
In some examples, the acquiring load data associated with the motor includes:
the motor is in communication pairing with the load objects, the number of the load objects and the equivalent torque are determined according to the communication pairing result, and the number and the equivalent torque are used as the load data.
In some examples, the determining a set of rotational speed adjustment points from the load data includes:
determining a first number of first rotation speed adjustment points according to the equivalent torque, and screening a second number of second rotation speed adjustment points from the first rotation speed adjustment points according to the number;
and determining each second rotating speed regulation point position as the rotating speed regulation point position, and integrating the rotating speed regulation point positions to obtain the rotating speed regulation point position set.
In some examples, the first number is inversely related to the equivalent torque and the second number is positively related to the number.
In some examples, the screening the number of second rotation speed adjustment points from the first rotation speed adjustment points to obtain a second number of second rotation speed adjustment points includes:
and determining rotation speed adjustment separation points according to the quantity, and dividing the first rotation speed adjustment points into a first group of rotation speed adjustment points and a second group of rotation speed adjustment points according to the rotation speed adjustment separation points.
In some examples, the distance of the speed adjustment separation point from the speed adjustment intermediate point in the first speed adjustment point is inversely related to the number.
In some examples, the controlling the motor to gradually adjust to the target rotational speed according to the set of rotational speed adjustment points includes:
controlling the motor to adjust to a first intermediate rotating speed corresponding to each second rotating speed adjusting point in the first group of rotating speed adjusting point positions for the first group of rotating speed adjusting point positions;
and for the second group of rotation speed adjustment points, controlling the motor to adjust to a third intermediate rotation speed higher than the second intermediate rotation speed corresponding to each second rotation speed adjustment point in the second group of rotation speed adjustment points, and then controlling the motor to adjust to a fourth intermediate rotation speed lower than the second intermediate rotation speed.
The second aspect of the application provides an intelligent motor rotating speed control system, which comprises an acquisition module, a processing module and a storage module, wherein the processing module is connected with the acquisition module and the storage module; wherein,
the memory module is used for storing executable computer program codes;
the acquisition module is used for acquiring the target rotating speed of the motor and load data related to the motor and transmitting the target rotating speed and the load data to the processing module;
the processing module is configured to execute the method according to any one of the preceding claims by calling the executable computer program code in the storage module to implement regulation control of the motor rotation speed.
A third aspect of the present application provides an electronic device comprising: a memory storing executable program code; a processor coupled to the memory; the processor invokes the executable program code stored in the memory to perform the method of any one of the preceding claims.
A fourth aspect of the application provides a computer storage medium having stored thereon a computer program which, when executed by a processor, performs a method as claimed in any one of the preceding claims.
The scheme of the application has the following beneficial effects:
after the target rotating speed of the motor is determined, the application further obtains the load data of the motor, thereby determining a plurality of rotating speed adjusting points for adjusting the motor to the target rotating speed, and then the motor carries out the sectional adjustment (speed increasing or speed decreasing) of the rotating speed according to each rotating speed adjusting point, so as to realize the stable adjustment to the target rotating speed. The scheme of the application can realize the step-by-step implementation of motor rotation speed regulation, is beneficial to realizing the accuracy of motor rotation speed regulation, and is especially suitable for certain load conditions with particularly high requirements on rotation speed accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of an intelligent control method for motor rotation speed according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an intelligent motor speed control system according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, the intelligent control method for the motor rotation speed according to the embodiment of the application comprises the following steps:
determining a target rotational speed of the motor;
load data related to the motor is obtained, and a rotating speed adjusting point position set is determined according to the load data; the rotating speed adjusting point set comprises a plurality of rotating speed adjusting point positions which are sequenced in sequence;
and controlling the motor to gradually adjust to the target rotating speed according to the rotating speed adjusting point position set.
After the target rotating speed of the motor is determined, the application further obtains the load data of the motor, thereby determining a plurality of rotating speed adjusting points for adjusting the motor to the target rotating speed, and then the motor carries out the sectional adjustment (speed increasing or speed decreasing) of the rotating speed according to each rotating speed adjusting point, so as to realize the stable adjustment to the target rotating speed. The scheme of the application can realize the step-by-step implementation of motor rotation speed regulation, is beneficial to realizing the accuracy of motor rotation speed regulation, and is especially suitable for certain load conditions with particularly high requirements on rotation speed accuracy.
Wherein the target rotational speed may be determined by any existing means. For example, the target rotational speed may be determined from a control schedule of the motor according to a time match, or a control algorithm based on a particular load may be predicted or optimized to obtain a next target rotational speed of the motor that is adapted to the current load change, or a target rotational speed of the motor that is received by a user input, and so on. The present application is not limited in any way.
In some examples, the acquiring load data associated with the motor includes:
the motor is in communication pairing with the load objects, the number of the load objects and the equivalent torque are determined according to the communication pairing result, and the number and the equivalent torque are used as the load data.
In this embodiment, the motor may be connected to a driven object, i.e., a load object, in a wired or wireless manner, and the attribute ID of the load object, the load on/off state, and the torque output by each load object in real time may be obtained through the communication connection. The number of load objects in a load access state with the motor can be determined through analysis of the attribute ID and the load access state. Equivalent torque refers to an equivalent value of output torque of all load objects in a load connection state with the motor, such as a torque cumulative sum value, a torque weighted sum value, and the like; and, the equivalent torque may also consider an expected torque corresponding to the target rotation speed for each load object.
In some examples, the determining a set of rotational speed adjustment points from the load data includes:
determining a first number of first rotation speed adjustment points according to the equivalent torque, and screening a second number of second rotation speed adjustment points from the first rotation speed adjustment points according to the number;
and determining each second rotating speed regulation point position as the rotating speed regulation point position, and integrating the rotating speed regulation point positions to obtain the rotating speed regulation point position set.
In this embodiment, first dense first rotation speed adjustment points are determined according to equivalent torque in a load access state with a motor, then second screening is performed on the rotation speed adjustment points according to the number of load objects in the load access state, so as to obtain second rotation speed adjustment points with moderate number, and further a rotation speed adjustment point set is obtained through integration.
It should be noted that, the first rotation speed adjustment points may be obtained by equally dividing the rotation speed difference between the current rotation speed and the target rotation speed according to a first number, each first rotation speed adjustment point corresponds to an intermediate rotation speed, and each intermediate rotation speed is adjacent in sequence until reaching the target rotation speed. The second rotation speed adjusting point is a part of the first rotation speed adjusting point, and detailed description thereof is omitted.
In some examples, the first number is inversely related to the equivalent torque and the second number is positively related to the number.
In this embodiment, when the equivalent torque to be output by each load object is larger, the rotation speed adjustment needs to be performed faster, and at this time, the number of rotation speed adjustment nodes is correspondingly reduced; on the contrary, the accuracy of the rotation speed adjustment is more needed to be considered, so that the excessive rotation speed adjustment and the excessive equivalent torque deviation are avoided.
Meanwhile, the larger the number of the load objects is, the larger the probability of fluctuation situations such as load unexpected change, abnormal change and the like of each load object is, and the deviation between the actual equivalent torque and the predicted equivalent torque is caused to exceed an expected value. The application then provides for selecting more second rotational speed control points from the first rotational speed control points, i.e. for an unexpected change in the equivalent torque by reducing the step size of the rotational speed control, the more load objects.
Of course, in the process of adjusting the rotation speed of the motor towards the target rotation speed according to the rotation speed adjusting point, the load data of the motor can be continuously obtained again, and a new rotation speed adjusting point set is determined according to the obtaining result. Since the new rotation speed adjustment point set is obtained in the same manner as described above, no further description is given here.
In some examples, the screening the number of second rotation speed adjustment points from the first rotation speed adjustment points to obtain a second number of second rotation speed adjustment points includes:
and determining rotation speed adjustment separation points according to the quantity, and dividing the first rotation speed adjustment points into a first group of rotation speed adjustment points and a second group of rotation speed adjustment points according to the rotation speed adjustment separation points.
In this embodiment, the motor is adjusted to the target rotation speed in two steps as a whole, in the former step (corresponding to the first set of rotation speed adjustment points), the motor is adjusted to rotate in a larger step size, and in the latter step (corresponding to the second set of rotation speed adjustment points), the motor is adjusted to rotate in a smaller step size. By the arrangement, the motor rotating speed can be further regulated in different stages of fine degrees, and various interferences in the rotating speed regulating process can be favorably coped with, so that a more accurate rotating speed regulating result is obtained, and the rotating speed regulating speed is relatively higher.
In some examples, the distance of the speed adjustment separation point from the speed adjustment intermediate point in the first speed adjustment point is inversely related to the number.
In the embodiment, the more the number of the load objects is, the closer the rotation speed adjustment separation point is to the rotation speed adjustment middle point, so that the number of the rotation speed adjustment point positions with small step length can be increased; the fewer the number of the load objects, the further the rotation speed adjustment separation point is from (towards the rotation speed adjustment end point), the rotation speed adjustment middle point is, and therefore the number of the rotation speed adjustment point positions with large step length can be increased.
In some examples, the controlling the motor to gradually adjust to the target rotational speed according to the set of rotational speed adjustment points includes:
controlling the motor to adjust to a first intermediate rotating speed corresponding to each second rotating speed adjusting point in the first group of rotating speed adjusting point positions for the first group of rotating speed adjusting point positions;
and for the second group of rotation speed adjustment points, controlling the motor to adjust to a third intermediate rotation speed higher than the second intermediate rotation speed corresponding to each second rotation speed adjustment point in the second group of rotation speed adjustment points, and then controlling the motor to adjust to a fourth intermediate rotation speed lower than the second intermediate rotation speed.
In this embodiment, in the first group of rotation speed adjustment points with large step length, the motor is directly controlled to perform 100% rotation speed adjustment according to the first intermediate rotation speed corresponding to each second rotation speed adjustment point in the first group of rotation speed adjustment points. In the second group of rotation speed adjusting points with small step length, the accuracy of rotation speed fine adjustment needs to be considered, the rotation speed of the motor is adjusted to be slightly higher than the second intermediate rotation speed corresponding to the second rotation speed adjusting point, namely to reach the third intermediate rotation speed, and then the rotation speed of the motor is reduced to be slightly lower than the fourth intermediate rotation speed of the second intermediate rotation speed. By the arrangement, the condition that the rotating speed adjustment exceeds the standard when the rotating speed adjustment end point position is close to or reaches the target rotating speed quickly can be avoided, namely, the rotating speed adjustment in the middle process is discounted to ensure that the final target rotating speed does not exceed the standard, and therefore the rotating speed adjustment is accurate.
Of course, when the target rotation speed is still not reached at the end point of rotation speed adjustment, a certain number of second rotation speed adjustment points may be continuously increased until the target rotation speed is satisfied.
As shown in fig. 2, the embodiment of the application also discloses an intelligent control system for the motor rotation speed, which comprises an acquisition module, a processing module and a storage module, wherein the processing module is connected with the acquisition module and the storage module; wherein,
the memory module is used for storing executable computer program codes;
the acquisition module is used for acquiring the target rotating speed of the motor and load data related to the motor and transmitting the target rotating speed and the load data to the processing module;
the processing module is configured to execute the method according to any one of the preceding claims by calling the executable computer program code in the storage module to implement regulation control of the motor rotation speed. .
The embodiment of the application also discloses an electronic device, which comprises: a memory storing executable program code; a processor coupled to the memory; the processor invokes the executable program code stored in the memory to perform the method as described in the above embodiments.
The embodiment of the application also discloses a computer storage medium, and a computer program is stored on the storage medium, and when the computer program is run by a processor, the computer program executes the method according to the embodiment.
Embodiments of the present disclosure may be embodied in a software product stored on a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of a method according to embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or a transitory storage medium.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this disclosure is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in the present disclosure, the terms "comprises," "comprising," and/or variations thereof, mean that the recited features, integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus comprising such elements. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. The skilled artisan may use different methods for each particular application to achieve the described functionality, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the units may be merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
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 embodiments of the present disclosure. 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). 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. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. 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 that perform the specified functions or acts, or combinations of hardware and computer instructions.
Claims (10)
1. The intelligent motor speed control method is characterized by comprising the following steps:
determining a target rotational speed of the motor;
load data related to the motor is obtained, and a rotating speed adjusting point position set is determined according to the load data; the rotating speed adjusting point set comprises a plurality of rotating speed adjusting point positions which are sequenced in sequence;
and controlling the motor to gradually adjust to the target rotating speed according to the rotating speed adjusting point position set.
2. The intelligent motor speed control method according to claim 1, wherein: the acquiring load data associated with the motor includes:
the motor is in communication pairing with the load objects, the number of the load objects and the equivalent torque are determined according to the communication pairing result, and the number and the equivalent torque are used as the load data.
3. The intelligent motor speed control method according to claim 2, wherein: the determining the rotation speed adjusting point position set according to the load data comprises the following steps:
determining a first number of first rotation speed adjustment points according to the equivalent torque, and screening a second number of second rotation speed adjustment points from the first rotation speed adjustment points according to the number;
and determining each second rotating speed regulation point position as the rotating speed regulation point position, and integrating the rotating speed regulation point positions to obtain the rotating speed regulation point position set.
4. A motor speed intelligent control method according to claim 3, characterized in that: the first quantity is inversely related to the equivalent torque and the second quantity is positively related to the quantity.
5. A motor speed intelligent control method according to claim 3, characterized in that: screening a second number of second rotation speed adjusting points from the first rotation speed adjusting points according to the number, including:
and determining rotation speed adjustment separation points according to the quantity, and dividing the first rotation speed adjustment points into a first group of rotation speed adjustment points and a second group of rotation speed adjustment points according to the rotation speed adjustment separation points.
6. The intelligent motor speed control method according to claim 5, wherein: the distance between the rotational speed adjustment separation point and the rotational speed adjustment intermediate point in the first rotational speed adjustment point is inversely related to the number.
7. The intelligent motor speed control method according to claim 5, wherein: the step of controlling the motor to gradually adjust to the target rotating speed according to the rotating speed adjusting point position set comprises the following steps:
controlling the motor to adjust to a first intermediate rotating speed corresponding to each second rotating speed adjusting point in the first group of rotating speed adjusting point positions for the first group of rotating speed adjusting point positions;
and for the second group of rotation speed adjustment points, controlling the motor to adjust to a third intermediate rotation speed higher than the second intermediate rotation speed corresponding to each second rotation speed adjustment point in the second group of rotation speed adjustment points, and then controlling the motor to adjust to a fourth intermediate rotation speed lower than the second intermediate rotation speed.
8. The intelligent motor rotating speed control system comprises an acquisition module, a processing module and a storage module, wherein the processing module is connected with the acquisition module and the storage module; wherein,
the memory module is used for storing executable computer program codes;
the acquisition module is used for acquiring the target rotating speed of the motor and load data related to the motor and transmitting the target rotating speed and the load data to the processing module;
the method is characterized in that: the processing module is configured to execute the method according to any one of claims 1-7 by calling the executable computer program code in the storage module to implement the regulation control of the motor rotation speed.
9. An electronic device, comprising: a memory storing executable program code; a processor coupled to the memory; the method is characterized in that: the processor invokes the executable program code stored in the memory to perform the method of any of claims 1-7.
10. A computer storage medium having a computer program stored thereon, characterized in that: the computer program, when executed by a processor, performs the method of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146154.7A CN117200644A (en) | 2023-09-05 | 2023-09-05 | Intelligent control method and system for motor rotation speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146154.7A CN117200644A (en) | 2023-09-05 | 2023-09-05 | Intelligent control method and system for motor rotation speed |
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| CN117200644A true CN117200644A (en) | 2023-12-08 |
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| CN202311146154.7A Pending CN117200644A (en) | 2023-09-05 | 2023-09-05 | Intelligent control method and system for motor rotation speed |
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- 2023-09-05 CN CN202311146154.7A patent/CN117200644A/en active Pending
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