WO2022166231A1 - 电动机及其谐波噪声优化方法和装置 - Google Patents
电动机及其谐波噪声优化方法和装置 Download PDFInfo
- Publication number
- WO2022166231A1 WO2022166231A1 PCT/CN2021/121836 CN2021121836W WO2022166231A1 WO 2022166231 A1 WO2022166231 A1 WO 2022166231A1 CN 2021121836 W CN2021121836 W CN 2021121836W WO 2022166231 A1 WO2022166231 A1 WO 2022166231A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- noise
- compensation
- motor
- harmonic
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000005457 optimization Methods 0.000 title abstract description 13
- 238000001228 spectrum Methods 0.000 claims abstract description 46
- 238000004590 computer program Methods 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/50—Reduction of harmonics
Definitions
- the present application belongs to the field of electric motors, and in particular relates to electric motors and methods and devices for optimizing their harmonic noise.
- the embodiments of the present application provide a motor and a method and device for optimizing harmonic noise thereof, so as to solve the problem in the prior art that the motor cannot accurately reduce the harmonic noise, which is not conducive to further improving the quality of electrical equipment.
- a first aspect of the embodiments of the present application provides a method for optimizing harmonic noise of an electric motor, the method comprising:
- Voltage compensation is performed on the electric motor according to the determined voltage parameter of the compensation voltage.
- the method further includes:
- the corresponding voltage parameter is searched according to the corresponding relationship to perform voltage compensation on the motor.
- the method before acquiring the noise spectrum information of the electric motor under operating conditions, the method further includes:
- the detected noise value is compared with a preset noise threshold, and when the detected noise value is greater than the noise threshold, the step of acquiring noise spectrum information of the motor under operating conditions is entered.
- the method before comparing the detected noise value with a preset noise threshold, the method further includes:
- the noise threshold corresponding to the current operating condition is searched.
- the voltage parameter includes a voltage amplitude and a voltage phase
- the voltage parameter of the injected compensation voltage is adjusted according to a predetermined adjustment range to determine the harmonic noise
- the voltage parameters of the compensation voltage with the minimum noise value include:
- the amplitude of the compensation voltage is adjusted within a predetermined voltage amplitude range, and the compensation voltage amplitude corresponding to the minimum noise value is determined.
- the voltage parameter includes a voltage amplitude and a voltage phase
- the voltage parameter of the injected compensation voltage is adjusted according to a predetermined adjustment range to determine the harmonic noise
- the voltage parameters of the compensation voltage with the minimum noise value include:
- the amplitude of the compensation voltage is adjusted within a predetermined amplitude range, and the amplitude of the compensation voltage corresponding to the minimum noise value is determined;
- the phase of the compensation voltage is adjusted within a predetermined phase range, and the compensation voltage phase corresponding to the minimum noise value is determined.
- the method before adjusting the voltage parameter of the injected compensation voltage according to a predetermined adjustment range, and before determining the voltage parameter of the compensation voltage with the smallest noise value of the harmonic noise , the method further includes:
- the voltage parameter adjustment range corresponding to the order information of the harmonic noise in the noise spectrum information is determined.
- a second aspect of the embodiments of the present application provides a device for optimizing harmonic noise of an electric motor, the device comprising:
- noise spectrum information acquisition unit configured to acquire the noise spectrum information of the motor under operating conditions
- a compensation voltage injection unit configured to determine the harmonic noise included in the noise spectrum information
- a voltage parameter adjustment unit configured to adjust the voltage parameter of the injected compensation voltage according to a predetermined adjustment range, and determine the voltage parameter of the compensation voltage with the smallest noise value of the harmonic noise;
- a voltage compensation unit configured to perform voltage compensation on the motor according to the determined voltage parameter of the compensation voltage.
- a third aspect of the embodiments of the present application provides an electric motor, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program When implementing the steps of the method according to any one of the first aspects.
- a fourth aspect of the embodiments of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the method according to any one of the first aspects A step of.
- the beneficial effects of the embodiments of the present application are: the present application injects the compensation voltage through harmonic noise in the noise spectrum information of the motor under operating conditions, and adjusts the compensation voltage parameters to obtain the smallest noise value.
- the voltage parameter of the compensation voltage is used to compensate the voltage of the motor according to the obtained voltage parameter, so that the voltage compensation of the harmonic noise of the motor can be more accurately performed, and the quality of the motor can be further improved.
- Fig. 1 is the realization flow schematic diagram of the harmonic noise optimization method of a kind of electric motor provided by the embodiment of the present application;
- FIG. 2 is a schematic diagram of noise spectrum information provided by an embodiment of the present application.
- FIG. 3 is a schematic flowchart of the implementation of a method for adjusting a voltage parameter of a compensation voltage provided by an embodiment of the present application
- FIG. 4 is a schematic diagram of an implementation flowchart of a method for adjusting a voltage parameter of a compensation voltage provided by an embodiment of the present application
- FIG. 5 is a schematic diagram of an optimized noise spectrum provided by an embodiment of the present application.
- FIG. 6 is a schematic structural diagram of a control system for optimizing harmonic noise of an electric motor provided by an embodiment of the application;
- FIG. 7 is a schematic diagram of an apparatus for optimizing harmonic noise of an electric motor provided by an embodiment of the present application.
- FIG. 8 is a schematic diagram of a motor provided by an embodiment of the present application.
- a motor such as a permanent magnet synchronous motor
- harmonic noise that is twice the rotation frequency of the motor during operation
- the motor will produce a dull, humming sound.
- the motor in the electrical equipment runs, it will affect the working and living environment of people.
- the noise of the motor can be improved to a certain extent.
- this structural improvement cannot accurately reduce the harmonic noise of the motor, which is not conducive to the further quality of the motor.
- FIG. 1 a schematic diagram of the implementation flow of a noise optimization method for an electric motor provided by an embodiment of the present application includes:
- the noise spectrum information of the motor under the operating condition may include the noise spectrum information of the motor under the current operating condition, or may be obtained by adjusting the operating Noise spectrum information.
- FIG. 2 is a schematic diagram of noise spectrum information collected at a certain moment according to an embodiment of the present application.
- the abscissa represents the frequency of the sound
- the ordinate represents the magnitude of the noise.
- the step of detecting the noise of the motor may also be included before the step of acquiring the noise spectrum information under operating conditions of the motor.
- the noise spectrum information of the motor may be collected, and noise reduction processing is performed according to the collected noise spectrum information of the motor.
- the noise spectrum information in the next operating condition can be collected continuously.
- a corresponding relationship between the noise threshold and the operating condition of the motor may be set.
- the corresponding noise threshold can also be increased accordingly.
- the greater the speed of the motor the greater the corresponding noise threshold.
- the harmonic noise included in the noise spectrum information is determined.
- the harmonic order corresponding to the noise signal can be determined.
- a subsequent voltage compensation operation may be performed.
- the noise spectrum information does not include noise harmonics
- the noise spectrum information under the next operating condition can be continuously acquired.
- the apparent noise signal shown in Figure 2 has a frequency of about 200 Hz, assuming the frequency of the fundamental signal is x. Then, according to the ratio of the frequency of the noise signal to the frequency of the fundamental signal, it can be determined that the noise signal is harmonic noise, and the order of the harmonic noise is 200/x-order harmonic noise.
- the harmonic noise in this embodiment of the present application may be a single-order harmonic noise, or may include multiple-order harmonic noise.
- it may include fifth harmonic noise, seventh harmonic noise, eleventh harmonic noise, thirteenth harmonic noise, and the like.
- the voltage parameter of the injected compensation voltage is adjusted according to a predetermined adjustment range, and the voltage parameter of the compensation voltage with the smallest noise value of the harmonic noise is determined.
- the voltage parameter may include the phase of the voltage and/or the amplitude of the voltage.
- the voltage amplitude corresponding to the motor at a small noise value can be found according to the predetermined voltage phase; or the voltage phase corresponding to the motor at a small noise value can be found according to the predetermined voltage phase; or, it can be adjusted by adjusting
- the voltage amplitude and voltage phase of the compensation voltage are determined to determine the corresponding voltage phase and voltage amplitude when the motor is at a small noise value.
- the voltage parameter adjustment range of the voltage compensation may correspond to the order information of the preset harmonic noise.
- the interval in which the compensation voltage corresponding to the harmonic noise is located can be determined in a statistical manner, so as to facilitate the subsequent quick search for the compensation voltage corresponding to the harmonic noise.
- FIG. 3 is a schematic flowchart of a voltage parameter adjustment process for a compensation voltage provided by an embodiment of the present application, including:
- the voltage amplitude of the compensation voltage is kept unchanged, and the voltage phase of the compensation voltage is adjusted within a preset phase range.
- the voltage amplitude of the compensation voltage may be a preset fixed voltage amplitude.
- the preset voltage amplitude may be 3V or the like.
- the maintained voltage amplitude can also be determined according to the corresponding relationship between the order of the harmonic noise and the voltage amplitude.
- the preset voltage phase range may correspond to the order information of the harmonic noise.
- the corresponding phase range may be [a1, b1]
- the corresponding phase range may be [c1, d1] ]
- the corresponding phase range may be [e1, f1].
- the harmonic noise of the order with a larger noise value can be selected to determine the corresponding phase range, or the phase corresponding to the multiple orders of harmonic noise can be determined.
- the range is taken as a union to determine the corresponding phase range.
- the obtained voltage phase is maintained, and the voltage amplitude of the compensation voltage is adjusted within a predetermined amplitude range.
- the amplitude range may be a preset fixed amplitude range, or may also be a search for the current harmonic noise of the motor according to the corresponding relationship between the order of the harmonic noise and the amplitude range.
- the amplitude range corresponding to the wave noise can be determined through statistical data.
- the harmonic noise of an order with a larger noise value can be selected to determine the corresponding amplitude range, or the corresponding amplitude range of the harmonic noise of multiple orders can be selected.
- the amplitude range is determined by taking the method of union to determine the corresponding amplitude range.
- a compensation voltage corresponding to the harmonic noise is obtained according to the acquired voltage amplitude and voltage phase.
- the compensation voltage corresponding to the motor under the current operating condition can be determined.
- FIG. 4 is a schematic flowchart of voltage parameter adjustment of another compensation voltage provided by an embodiment of the present application, including:
- the voltage phase of the compensation voltage is kept unchanged, and the voltage amplitude of the compensation voltage is adjusted within a preset amplitude range.
- the voltage phase of the compensation voltage may be a preset fixed voltage phase.
- the preset voltage phase may be 0 degrees or the like.
- the maintained voltage phase may also be determined according to the corresponding relationship between the order of the harmonic noise and the voltage phase.
- the preset voltage amplitude range may correspond to the order information of the harmonic noise.
- the corresponding amplitude range can be [a2, b2]
- the corresponding amplitude range can be [c2] , d2]
- the order of the harmonic noise is M3
- the corresponding amplitude range may be [e2, f2].
- the harmonic noise of an order with a larger noise value can be selected to determine the corresponding amplitude range, or the corresponding amplitude range of the harmonic noise of multiple orders can be selected.
- the amplitude range is determined by taking the method of union to determine the corresponding amplitude range.
- the voltage amplitude corresponding to the minimum noise value can be found.
- the obtained voltage amplitude is maintained, and the voltage phase of the compensation voltage is adjusted within a predetermined phase range.
- the phase range may be a preset fixed amplitude range, or may also be a search for the current harmonic noise of the motor according to the corresponding relationship between the order of the harmonic noise and the phase range the corresponding phase range.
- the corresponding relationship can be determined through statistical data.
- the harmonic noise of the order with a larger noise value can be selected to determine the corresponding phase range, or the phase corresponding to the multiple orders of harmonic noise can be determined.
- the range is taken as a union to determine the corresponding phase range.
- a compensation voltage corresponding to the harmonic noise is obtained according to the acquired voltage amplitude and voltage phase.
- the compensation voltage corresponding to the motor under the current operating condition can be determined.
- the voltage parameter of the voltage compensation of the electric motor may also be determined by adjusting the voltage phase and the voltage amplitude at the same time.
- Voltage parameters according to the determined compensation voltage include, for example, voltage amplitude and/or voltage phase.
- the compensation voltage is superimposed on the fundamental wave voltage output by the inverter in the motor drive circuit.
- the corresponding relationship between the operating condition of the motor and the compensation voltage parameter may be recorded.
- the corresponding compensation voltage parameter can be searched according to the corresponding relationship between the pre-recorded rotational speed and the compensation voltage parameter.
- the fundamental wave signal of the motor drive signal is used for voltage compensation of high frequency harmonics, which can greatly improve the optimization efficiency of the harmonic noise of the motor.
- the voltage phase or voltage amplitude corresponding to the minimum specific harmonic noise can be obtained when the phase or amplitude of the compensation voltage is adjusted.
- the voltage compensation parameter corresponding to each harmonic noise included in the spectral noise information can be superimposed on the fundamental wave signal output by the inverter of the motor, so as to realize the suppression of the harmonic noise of the motor.
- FIG. 5 is a schematic diagram of a noise spectrum after harmonic noise optimization provided by an embodiment of the present application. After harmonic noise optimization, harmonic noise in the noise spectrum is significantly suppressed and improved, and the generation of electric motors during operation is eliminated. hum, which improves the quality of the motor as a whole.
- FIG. 6 is a schematic structural diagram of a control system for optimizing harmonic noise of a motor provided by an embodiment of the application.
- the control system includes a motor, a three-phase converter, a modulator, a position estimation module, and a voltage injection module. and multiple signal converters, etc.
- the motor angle ⁇ and angular velocity ⁇ can be obtained through the position estimation module.
- Clark Choinese name is Clark
- Clark's output and the motor angle ⁇ are transformed by Park (Chinese name is Parker).
- the motor angular velocity ⁇ is different from the input angular velocity ⁇ *, and the current Iq* is obtained through the speed regulator ASR.
- the first output of the Pakr transformation is different from Iq*, and the current regulator ACR outputs the voltage uq, the voltage uq and the voltage injection
- the compensation voltage input by the module is superimposed as the first input of the Ipark transformation.
- the Ipark transform outputs u ⁇ and u ⁇ to the modulator.
- the modulator can be a pulse width modulator, and the modulator outputs a regulation signal to a three-phase converter, and drives the motor to rotate through the three-phase converter.
- the compensation voltage corresponding to the voltage parameters can be injected through the voltage injection module to eliminate the high-order harmonic noise included in the motor.
- FIG. 7 is a schematic diagram of a device for optimizing harmonic noise of an electric motor provided by an embodiment of the present application, and the device includes:
- a compensation voltage injection unit 702 configured to determine the harmonic noise included in the noise spectrum information
- a voltage parameter adjustment unit 703 configured to adjust the voltage parameter of the injected compensation voltage according to a predetermined adjustment range, and determine the voltage parameter of the compensation voltage with the smallest noise value of the harmonic noise;
- the voltage compensation unit 704 is configured to perform voltage compensation on the motor according to the determined voltage parameter of the compensation voltage.
- the harmonic noise optimization device of the motor shown in FIG. 7 corresponds to the harmonic noise optimization method of the motor shown in FIG. 1 .
- FIG. 8 is a schematic diagram of a control system of an electric motor provided by an embodiment of the present application.
- the motor 8 of this embodiment includes a processor 80, a memory 81, and a computer program 82 stored in the memory 81 and executable on the processor 80, such as harmonic noise optimization of the motor program.
- the processor 80 executes the computer program 82, the steps in the above-mentioned embodiments of the harmonic noise optimization method for each electric motor are implemented.
- the processor 80 executes the computer program 82
- the functions of the modules/units in the foregoing device embodiments are implemented.
- the computer program 82 may be divided into one or more modules/units, and the one or more modules/units are stored in the memory 81 and executed by the processor 80 to complete the this application.
- the one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, and the instruction segments are used to describe the execution process of the computer program 82 in the electric motor 8 .
- the motor may include, but is not limited to, a processor 80 and a memory 81 .
- FIG. 8 is only an example of the motor 8, and does not constitute a limitation to the motor 8, and may include more or less components than the one shown, or combine some components, or different components, such as
- the motor may also include input and output devices, network access devices, buses, and the like.
- the so-called processor 80 may be a central processing unit (Central Processing Unit, CPU), and may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (Application Specific Integrated Circuits) Integrated Circuit, ASIC), field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
- a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the memory 81 may be an internal storage unit of the electric motor 8 , such as a hard disk or a memory of the electric motor 8 .
- the memory 81 can also be an external storage device of the electric motor 8, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a Secure Digital (Secure Digital, SD) card equipped on the electric motor 8, Flash card (Flash Card) and so on.
- the memory 81 may also include both an internal storage unit of the electric motor 8 and an external storage device.
- the memory 81 is used to store the computer program and other programs and data required by the motor.
- the memory 81 can also be used to temporarily store data that has been output or will be output.
- the disclosed apparatus/terminal device and method may be implemented in other manners.
- the apparatus/terminal device embodiments described above are only illustrative.
- the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units. Or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented.
- the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
- the integrated modules/units if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
- the present application can implement all or part of the processes in the methods of the above embodiments, and it can also be completed by instructing the relevant hardware through a computer program.
- the computer program can be stored in a computer-readable storage medium.
- the computer program When executed by the processor, the steps of the above-mentioned various method embodiments may be implemented.
- the computer program includes computer program code, and the computer program code may be in the form of source code, object code, executable file or some intermediate form, and the like.
- the computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, U disk, removable hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM, Read-Only Memory) , Random Access Memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium, etc.
- ROM Read-Only Memory
- RAM Random Access Memory
- electric carrier signal telecommunication signal and software distribution medium, etc.
- the content contained in the computer-readable media may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction, for example, in some jurisdictions, according to legislation and patent practice, the computer-readable media Excluded are electrical carrier signals and telecommunication signals.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
Claims (10)
- 一种电动机的谐波噪声优化方法,其特征在于,所述方法包括:获取所述电动机在运行工况下的噪声频谱信息;确定所述噪声频谱信息中包括的谐波噪声;按照预定的调整范围调整注入的补偿电压的电压参数,确定所述谐波噪声的噪声值最小的补偿电压的电压参数;根据所确定的补偿电压的电压参数,对所述电动机进行电压补偿。
- 根据权利要求1所述的方法,其特征在于,在根据噪声值最小时的电压参数所对应的补偿电压,对所述电动机进行电压补偿的步骤之后,所述方法还包括:记录所述补偿电压的电压参数与电动机的运行工况的对应关系;当监测到电动机处于所记录的运行工况时,根据所述对应关系查找对应的电压参数对所述电动机进行电压补偿。
- 根据权利要求1所述的方法,其特征在于,在获取所述电动机在运行工况下的噪声频谱信息之前,所述方法还包括:检测所述电磁同步电动机在运行工况下的噪声值;将所检测的噪声值与预先设定的噪声阈值进行比较,当所检测的噪声值大于所述噪声阈值时,则进入获取所述电动机在运行工况下的噪声频谱信息的步骤。
- 根据权利要求3所述的方法,其特征在于,在将所检测的噪声值与预先设定的噪声阈值进行比较之前,所述方法还包括:根据预先设定的噪声阈值与运行工况的对应关系,查找当前的运行工况所对应的噪声阈值。
- 根据权利要求1所述的方法,其特征在于,所述电压参数包括电压幅值和电压相位,按照预定的调整范围调整注入的补偿电压的电压参数,确定所述谐波噪声的噪声值最小的补偿电压的电压参数,包括:在预定的电压幅值下,在预定的相位范围内调整所述补偿电压的相位,确定噪声值最小时所对应的补偿电压相位;根据所确定的补偿电压相位,在预定的电压幅值范围内调整所述补偿电压的幅值,确定噪声值最小时所对应的补偿电压幅值。
- 根据权利要求1所述的方法,其特征在于,所述电压参数包括电压幅值和电压相位,按照预定的调整范围调整注入的补偿电压的电压参数,确定所述谐波噪声的噪声值最小的补偿电压的电压参数,包括:在预定的电压相位下,在预定的幅值范围内调整所述补偿电压的幅值,确定噪声值最小时所对应的补偿电压幅值;根据所确定的补偿电压幅值,在预定的相位范围内调整所述补偿电压的相位,确定噪声值最小时所对应的补偿电压相位。
- 根据权利要求1所述的方法,其特征在于,在按照预定的调整范围调整注入的补偿电压的电压参数,确定所述谐波噪声的噪声值最小的补偿电压的电压参数之前,所述方法还包括:确定所述噪声频谱信息中的谐波噪声的阶次信息;根据预先设定的谐波噪声的阶次信息与电压参数调整范围的对应关系,确定噪声频谱信息中的谐波噪声的阶次信息所对应的电压参数调整范围。
- 一种电动机的谐波噪声优化装置,其特征在于,所述装置包括:噪声频谱信息获取单元,用于获取所述电动机在运行工况下的噪声频谱信息;补偿电压注入单元,用于确定所述噪声频谱信息中包括的谐波噪声;电压参数调整单元,用于按照预定的调整范围调整注入的补偿电压的电压参数,确定所述谐波噪声的噪声值最小的补偿电压的电压参数;电压补偿单元,用于根据所确定的补偿电压的电压参数,对所述电动机进行电压补偿。
- 一种电动机,包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序,其特征在于,所述处理器执行所述计算机程序时实现如权利要求1至7任一项所述方法的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质存储有计算机程序,其特征在于,所述计算机程序被处理器执行时实现如权利要求1至7任一项所述方法的步骤。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023544588A JP2024503917A (ja) | 2021-02-07 | 2021-09-29 | モータ、その調波騒音最適化方法、および装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110169323.3A CN114915234A (zh) | 2021-02-07 | 2021-02-07 | 电动机及其谐波噪声优化方法和装置 |
CN202110169323.3 | 2021-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022166231A1 true WO2022166231A1 (zh) | 2022-08-11 |
Family
ID=82741817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2021/121836 WO2022166231A1 (zh) | 2021-02-07 | 2021-09-29 | 电动机及其谐波噪声优化方法和装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2024503917A (zh) |
CN (1) | CN114915234A (zh) |
WO (1) | WO2022166231A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115603636A (zh) * | 2022-10-31 | 2023-01-13 | 佛山市尼博微电子有限公司(Cn) | 一种基于高频信号注入的电机电压补偿方法及系统 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115833675B (zh) * | 2022-11-03 | 2023-09-05 | 小米汽车科技有限公司 | 电机的电磁噪声调控方法、装置电子设备及存储介质 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105337283A (zh) * | 2015-12-11 | 2016-02-17 | 北京天诚同创电气有限公司 | 降低电机的振动和噪音的方法、装置、控制器及系统 |
CN110758111A (zh) * | 2018-07-09 | 2020-02-07 | 福特全球技术公司 | 电机噪声衰减 |
CN111245326A (zh) * | 2018-11-28 | 2020-06-05 | 安徽美芝精密制造有限公司 | 矢量控制系统、抑制方法、抑制装置、电机和存储介质 |
CN111713007A (zh) * | 2018-02-20 | 2020-09-25 | 日本电产株式会社 | 马达控制系统和助力转向系统 |
CN111835253A (zh) * | 2019-04-23 | 2020-10-27 | 广州汽车集团股份有限公司 | 一种电机振动或噪声控制方法及装置 |
CN111865160A (zh) * | 2019-04-23 | 2020-10-30 | 广州汽车集团股份有限公司 | 一种电机振动或噪声的控制方法及装置 |
-
2021
- 2021-02-07 CN CN202110169323.3A patent/CN114915234A/zh active Pending
- 2021-09-29 JP JP2023544588A patent/JP2024503917A/ja active Pending
- 2021-09-29 WO PCT/CN2021/121836 patent/WO2022166231A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105337283A (zh) * | 2015-12-11 | 2016-02-17 | 北京天诚同创电气有限公司 | 降低电机的振动和噪音的方法、装置、控制器及系统 |
CN111713007A (zh) * | 2018-02-20 | 2020-09-25 | 日本电产株式会社 | 马达控制系统和助力转向系统 |
CN110758111A (zh) * | 2018-07-09 | 2020-02-07 | 福特全球技术公司 | 电机噪声衰减 |
CN111245326A (zh) * | 2018-11-28 | 2020-06-05 | 安徽美芝精密制造有限公司 | 矢量控制系统、抑制方法、抑制装置、电机和存储介质 |
CN111835253A (zh) * | 2019-04-23 | 2020-10-27 | 广州汽车集团股份有限公司 | 一种电机振动或噪声控制方法及装置 |
CN111865160A (zh) * | 2019-04-23 | 2020-10-30 | 广州汽车集团股份有限公司 | 一种电机振动或噪声的控制方法及装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115603636A (zh) * | 2022-10-31 | 2023-01-13 | 佛山市尼博微电子有限公司(Cn) | 一种基于高频信号注入的电机电压补偿方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
JP2024503917A (ja) | 2024-01-29 |
CN114915234A (zh) | 2022-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Bueno et al. | A DSP-and FPGA-based industrial control with high-speed communication interfaces for grid converters applied to distributed power generation systems | |
WO2022166231A1 (zh) | 电动机及其谐波噪声优化方法和装置 | |
CN110061615B (zh) | 逆变器非线性特性的定子电流谐波补偿方法 | |
CN113037170B (zh) | 电机控制方法、装置及终端设备 | |
CN111896802B (zh) | 一种频率自适应的采样方法 | |
CN112255457A (zh) | 适用于自动准同期装置的相角差测量方法 | |
CN113691183A (zh) | 永磁同步电机的电感辨识方法、系统、介质及终端 | |
CN117293901B (zh) | 一种并网逆变器控制结构识别方法、系统、设备和介质 | |
CN111769747B (zh) | 一种变频器的控制装置、方法和变频器 | |
CN110082642B (zh) | 基于全相位微分滤波的电网工况故障时刻检测方法及装置 | |
CN110596455B (zh) | 一种工频电参数提取方法、系统及计算机可读存储介质 | |
CN113644856A (zh) | 一种高频变频器的驱动控制方法 | |
EP4318000A1 (en) | Range hood and testing method and testing apparatus therefor | |
CN111416377B (zh) | 一种提高电网暂态稳定性的柔性直流控制方法及装置 | |
CN110752607B (zh) | 一种柔性直流输电换流器阻抗分析方法、装置及存储介质 | |
CN114527326A (zh) | 电网阻抗的测量方法、装置、相关设备及存储介质 | |
CN113036785A (zh) | 一种全通道滤波的柔直高频振荡控制方法及系统 | |
CN112485511A (zh) | 基于跟踪补偿算法的交流采样装置及其采样补偿方法 | |
CN117762500B (zh) | 一种线路参数的高精度数据优化方法及其运行系统 | |
WO2024066069A1 (zh) | 脉冲宽度调制指标的评估方法、装置、设备和存储介质 | |
CN117674657A (zh) | 谐波消除方法、设备、系统及电机 | |
CN117192206A (zh) | 一种基于频域复插值的电流信号高频间谐波的信号分析方法 | |
CN115459653A (zh) | 电机的控制方法、装置、介质和电子设备 | |
CN114778928A (zh) | 一种电网电压的检测方法及检测装置 | |
CN116742710A (zh) | 逆变器的控制方法、装置、电子设备及存储介质 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21924228 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023544588 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21924228 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 12/01/2024) |