CN117310484A - Motor noise detection method and noise detection system - Google Patents
Motor noise detection method and noise detection system Download PDFInfo
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- CN117310484A CN117310484A CN202311189777.2A CN202311189777A CN117310484A CN 117310484 A CN117310484 A CN 117310484A CN 202311189777 A CN202311189777 A CN 202311189777A CN 117310484 A CN117310484 A CN 117310484A
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- 238000001514 detection method Methods 0.000 title claims abstract description 115
- 239000000523 sample Substances 0.000 claims abstract description 16
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 210000003454 tympanic membrane Anatomy 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 3
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- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000005236 sound signal Effects 0.000 description 5
- 210000005069 ears Anatomy 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
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- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention discloses a motor noise detection method and a noise detection system, which relate to the technical field of motor noise automatic detection and comprise the steps of collecting noise generated during motor operation through a bone conduction probe, uploading noise data to a data rear-end platform for feature extraction; according to the invention, the noise generated when the motor runs is collected through the bone conduction probe, so that the detection device can work in a complex environment on a production line, the detection environment is not required to be modified, the detection cost is effectively reduced, the detection system keeps a test data record for each detected product, the quality tracking analysis and the process improvement are convenient, and the overall intelligent management and control level is improved.
Description
Technical Field
The invention relates to the technical field of automatic detection of motor noise, in particular to a motor noise detection method and a noise detection system.
Background
The motor, commonly called a motor, is an electromagnetic device for converting or transmitting electric energy according to the law of electromagnetic induction, and is divided into a motor and a generator.
The motor is widely applied to the fields of transportation, household appliances and the like. And is an essential component thereof. So its quality directly affects our daily lives. Along with the improvement of the living standard of people, the requirements of consumers on intelligent products are higher and higher, so that manufacturers such as intelligent home, household appliances, transportation means and the like have very high requirements on the quality of motors, and the intelligent home, household appliances, transportation means and the like can not only reliably run, but also cannot have any abnormal sound during running. However, the whole motor industry is basically to monitor the noise quality of the motor by using the human ears, and the development of the motor industry is severely restricted by the mode, because the detection by using the human ears is low in efficiency and poor in consistency, and the detection result is greatly dependent on the state of a person, and particularly, the quality of the motor cannot be accurately and efficiently detected for a long time in a complex and noisy environment.
The present invention therefore needs to design a motor noise detection method and a noise detection system to solve the above-mentioned problems.
The invention comprises the following steps:
the invention aims to solve the problems, and provides a motor noise detection method and a noise detection system, which solve the problems that in the background art, the whole motor industry is basically detected by using human ears, the development of the motor industry is seriously restricted by the way of detecting the motor noise quality by using the human ears, the efficiency is low, the consistency is poor, the detection result is greatly dependent on the state of a person, and particularly, the quality of a motor cannot be accurately and efficiently detected for a long time in a complex and noisy environment.
In order to solve the problems, the invention provides a technical scheme that:
a motor noise detection method comprises the following specific steps:
s1, collecting noise generated when a motor runs through a bone conduction probe, uploading noise data to a data rear-end platform for feature extraction, determining an optimal feature set and a weight value, determining identification logic, and transmitting an algorithm library to a detection circuit component;
s2, collecting noise generated when a new motor runs through a bone conduction probe, and transmitting noise data to a detection circuit component for identification;
s3, outputting a detection result to the pc end in millisecond unit time, displaying whether the detection result is qualified or not and positioning the type of unqualified products on a display, and completing noise detection at the time to form a cycle.
Preferably, after the identification logic is determined in S1, the data field is divided into three parts, namely an a data field, a B data field and a UNKNOWN.
Preferably, the UNKNOWN region is represented by a gray dot, and two gray regions are identified as one region when in use.
Preferably, the PC side in S3 is one or more of a host device, an industrial computer, and a notebook computer.
Preferably, in the step S3, when the noise detection is completed, the pass and fail data of the detected motor are uploaded to the inside of the data back-end platform, and the backup processing is performed at the same time.
The motor noise detection system comprises a motor noise detection device, wherein the motor noise detection device comprises a threaded spring thimble and a high-precision sound conduction rod, the top of the high-precision sound conduction rod is provided with the threaded spring thimble, the outer side of the lower part of the high-precision sound conduction rod is sleeved with a spherical tympanic membrane, a sound pickup unit is arranged inside the spherical tympanic membrane and below the high-precision sound conduction rod, and a circuit component is arranged inside the spherical tympanic membrane and on one side of the sound pickup unit.
Preferably, the needle head structure of the threaded spring thimble is of a circular arc structure, so that the contact of the motor is avoided during use, and the outer side of the spherical tympanic membrane is sleeved with a protective sleeve.
Preferably, the outer side of the connection between the threaded spring thimble and the high-precision sound conduction rod is sleeved with a copper embedded round nut, and the threaded spring thimble and the high-precision sound conduction rod are in threaded connection with the copper embedded round nut.
Preferably, the motor noise detection device further comprises an isolation device, a detection box, a sound amplifying mechanism, a pc platform and a display.
Preferably, the PLC controller is installed to motor noise detection device's externally mounted, motor noise detection device, pickup unit, circuit assembly, public address mechanism, detection circuit assembly, pc platform and display all with PLC controller electric connection.
The beneficial effects of the invention are as follows:
1. according to the invention, the threaded spring thimble, the copper embedded round nut, the spherical tympanic membrane and the pickup unit are arranged, when the probe is in actual use, the threaded spring thimble is in contact with the motor shell, noise generated when the motor runs starts to be collected, the noise is transmitted to the spherical tympanic membrane through the high-precision sound transmission rod, then the pickup unit picks up sound signals of the spherical tympanic membrane and converts the sound signals into charge signals through the circuit assembly to be transmitted to the detection box, the noise link when the motor runs and the link when the collected data are transmitted to the detection box are completely eliminated, the environment interference cannot be caused by any airborne noise, the probe is suitable for any noise environment, the mode of collecting the data by the probe is more flexible than the traditional mode, the application range is wider, the sound can be collected through the amplification mechanism, the attenuation of the sound is reduced, the data is transmitted in a zero loss manner, the collected sound is easy and convenient to use, the whole section of manufacturer line body is not required to be transformed, and the applicability is high;
2. according to the invention, noise data is acquired through the bone conduction probe and is subjected to feature extraction by a data rear-end platform, and the optimal feature set and the weight value are determined, so that the recognition logic is determined, an algorithm library is transmitted to the detection circuit assembly, noise during the operation of a new motor is acquired through the bone conduction probe and is transmitted to the detection circuit assembly for recognition, the detection result is output to the pc end in millisecond unit time, whether the display is qualified or not and the type of unqualified product are positioned, the noise detection is completed, circulation is formed, automation and intellectualization of motor detection are realized, professional operation is not needed, consistency of the detection result can be ensured, detection efficiency and quality are greatly improved, in addition, the problems of difficult acquisition of motor sound and serious noise interference are effectively solved, the detection device can work in a complex environment on a production line, detection cost is effectively reduced, each product detected by the detection system is convenient to record, intelligent control and process level is improved, and the quality of the detection system is convenient to record and the intelligent control and the whole process.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a flow chart of a motor noise detection method and noise detection system according to the present invention;
fig. 2 is an overall configuration diagram of a motor noise detection method and noise detection system according to the present invention.
In the figure: 1. a threaded spring thimble; 2. copper is embedded with a round nut; 3. a spherical tympanic membrane; 4. a sound pickup unit; 5. a circuit assembly; 6. high precision sound conduction rod.
The specific embodiment is as follows:
for the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 and 2, the following technical solutions are adopted in this embodiment:
a motor noise detection method comprises the following specific steps:
s1, collecting noise generated when a motor runs through a bone conduction probe, uploading noise data to a data rear-end platform for feature extraction, determining an optimal feature set and a weight value, determining identification logic, dividing a data domain into an A data domain, a B data domain and a UNKNOWN domain, wherein the UNKNOWN domain is represented by gray dots, and when the motor is used, the two gray regions are regarded as one region, and transmitting an algorithm library to a detection circuit component;
s2, collecting noise generated when a new motor runs through a bone conduction probe, and transmitting noise data to a detection circuit component for identification;
s3, outputting a detection result to a PC end in millisecond unit time, wherein the PC end is one or more of a host device, an industrial computer and a notebook computer, whether the motor is qualified or not and the type of unqualified products are positioned on a display, the noise detection is completed, a cycle is formed, the qualified and unqualified data and processes of the detected motor are uploaded to the inside of a data rear-end platform to be simultaneously subjected to backup processing when the noise detection is completed, the test result is visually displayed to be qualified and unqualified for a production line, the unqualified products are classified and displayed, a worker can conveniently judge whether the motor is qualified or not and the failure position, and the failure cause can be subjected to retrospective analysis, so that effective data is provided for process improvement.
The motor noise detection system is applied to a motor noise detection method, the system comprises a motor noise detection device, the motor noise detection device comprises a thread spring thimble 1 and a high-precision sound conduction rod 6, the thread spring thimble 1 is installed at the top of the high-precision sound conduction rod 6, a spherical tympanic membrane 3 is sleeved on the outer side of the lower part of the high-precision sound conduction rod 6, a sound pickup unit 4 is installed inside the spherical tympanic membrane 3 and below the high-precision sound conduction rod 6, a circuit assembly 5 is installed inside the spherical tympanic membrane 3 and on one side of the sound pickup unit 4, in actual use, the thread spring thimble 1 is in contact with a motor shell, noise in the process of starting to collect a motor is conducted to the spherical tympanic membrane 3 through the high-precision sound conduction rod 6, then the sound signal of the spherical tympanic membrane 3 is picked up by the sound pickup unit 4 and converted into a charge signal to be transmitted to a detection box through the circuit assembly 5, environmental interference is completely eliminated in the process of the whole collecting noise link of the motor tympanic membrane 6 and the collected data are transmitted to the detection box compared with the link of the traditional detection mode, the sound attenuation is reduced, the sound attenuation is not suitable for a sound attenuation device through a sound attenuation line, and the sound attenuation device is more suitable for a sound attenuation device, and the sound attenuation device is widely used.
Further, the needle structure of the thread spring thimble 1 is in a circular arc structure, the needle is prevented from being hard to touch the motor during use, the motor can shake during operation, the hard to touch can lead to the abrasion of the needle to the motor shell, a new noise interference test is generated, the spring can prevent the hard to touch, the circular arc needle can avoid the abrasion to the motor shell, and the outer side of the spherical tympanic membrane 3 is sleeved with a protective sleeve.
Furthermore, the outer side of the connection between the threaded spring thimble 1 and the high-precision sound conduction rod 6 is sleeved with the copper embedded round nut 2, and the threaded spring thimble 1 and the high-precision sound conduction rod 6 are in threaded connection with the copper embedded round nut 2 and are matched for normal connection.
Further, the motor noise detection device further comprises an isolation device, a detection box, a sound amplifying mechanism, a pc platform and a display, and equipment is added according to the requirement in actual use.
Further, the externally mounted of motor noise detection device has the PLC controller, motor noise detection device, pickup unit 4, circuit assembly 5, public address mechanism, detection circuit assembly 5, pc platform and display all with PLC controller electric connection, realized holistic normal control and use.
Specific: the motor noise detection method and the noise detection system disclosed by the scheme can be used for automatic detection of motor noise AI in the field of industrial diagnosis, automatic detection of electric drive noise AI of a new energy automobile, intelligent AI on-line monitoring and early warning of electric power transmission and intelligent AI on-line monitoring and early warning of rail transit;
in actual use, the screw spring thimble 1 is contacted with the motor shell to start to collect the noise generated during the operation of the motor, the noise is transmitted to the spherical tympanic membrane 3 through the high-precision sound transmission rod 6, the sound pickup unit 4 picks up the sound signal of the spherical tympanic membrane 3 and converts the sound signal into a charge signal through the circuit component 5 to be transmitted to the detection box, the whole link for collecting the noise generated during the operation of the motor and the link for transmitting the collected data to the detection box completely eliminate the environmental interference compared with the traditional detection mode, any airborne noise cannot cause interference, the method for collecting the data by the probe is more flexible than the traditional mode, the application range is wider, the sound is transmitted to the detection circuit component 5 through the sound amplification mechanism, the sound can be collected, the attenuation of the sound is reduced, the integrity of the data is ensured, the collected sound is transmitted in a zero loss mode, the collection equipment is simple and convenient to use, the line body of a manufacturer does not need to be modified in whole section, and the applicability is high; according to the invention, noise data is acquired through the bone conduction probe and is subjected to feature extraction by a data rear-end platform, and the optimal feature set and the weight value are determined, so that the recognition logic is determined, an algorithm library is transmitted to the detection circuit assembly, noise during the operation of a new motor is acquired through the bone conduction probe and is transmitted to the detection circuit assembly for recognition, the detection result is output to the pc end in millisecond unit time, whether the display is qualified or not and the type of unqualified product are positioned, the noise detection is completed, circulation is formed, automation and intellectualization of motor detection are realized, professional operation is not needed, consistency of the detection result can be ensured, detection efficiency and quality are greatly improved, in addition, the problems of difficult acquisition of motor sound and serious noise interference are effectively solved, the detection device can work in a complex environment on a production line, detection cost is effectively reduced, each product detected by the detection system is convenient to record, intelligent control and process level is improved, and the quality of the detection system is convenient to record and the intelligent control and the whole process.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention.
In addition, it should be noted that the combination of the technical features described in the present invention is not limited to the combination described in the claims or the combination described in the specific embodiments, and all the technical features described in the present invention may be freely combined or combined in any manner unless contradiction occurs between them.
The foregoing is merely illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The motor noise detection method is characterized by comprising the following specific steps of:
s1, collecting noise generated when a motor runs through a bone conduction probe, uploading noise data to a data rear-end platform for feature extraction, determining an optimal feature set and a weight value, determining identification logic, and transmitting an algorithm library to a detection circuit component;
s2, collecting noise generated when a new motor runs through a bone conduction probe, and transmitting noise data to a detection circuit component for identification;
s3, outputting a detection result to the pc end in millisecond unit time, displaying whether the detection result is qualified or not and positioning the type of unqualified products on a display, and completing noise detection at the time to form a cycle.
2. The motor noise detection method according to claim 1, characterized in that: and after the identification logic is determined in the step S1, dividing the data domain into an A data domain, a B data domain and a UNKNOWN.
3. The motor noise detection method according to claim 2, characterized in that: the UNKNOWN region is represented by a gray dot, and two gray regions are identified as one region when in use.
4. The motor noise detection method according to claim 1, characterized in that: the PC end in the S3 is one or more of a host device, an industrial computer and a notebook computer.
5. The motor noise detection method according to claim 1, characterized in that: and S3, uploading the qualified and unqualified data and the flow of the detected motor to the inside of a data rear-end platform and carrying out backup processing at the same time when the noise detection is completed.
6. A motor noise detection system, applied to a motor noise detection method as defined in any one of claims 1 to 5, characterized in that: the system comprises a motor noise detection device, the motor noise detection device comprises a threaded spring thimble (1) and a high-precision sound conduction rod (6), the threaded spring thimble (1) is arranged at the top of the high-precision sound conduction rod (6), a spherical tympanic membrane (3) is sleeved outside the lower part of the high-precision sound conduction rod (6), a sound pickup unit (4) is arranged inside the spherical tympanic membrane (3) and below the high-precision sound conduction rod (6), and a circuit component (5) is arranged inside the spherical tympanic membrane (3) and on one side of the sound pickup unit (4).
7. The motor noise detection system of claim 6, wherein: the needle structure of the thread spring thimble (1) is of a circular arc structure, so that the contact with the motor is avoided during use, and the outer side of the spherical tympanic membrane (3) is sleeved with a protective sleeve.
8. The motor noise detection system of claim 6, wherein: the copper embedded round nut (2) is sleeved outside the connection between the threaded spring thimble (1) and the high-precision sound conduction rod (6), and the threaded spring thimble (1) and the high-precision sound conduction rod (6) are in threaded connection with the copper embedded round nut (2).
9. The motor noise detection system of claim 6, wherein: the motor noise detection device further comprises an isolation device, a detection box, a sound amplifying mechanism, a pc platform and a display.
10. The motor noise detection system of claim 9, wherein: the motor noise detection device is characterized in that a PLC (programmable logic controller) is arranged outside the motor noise detection device, and the motor noise detection device, the pickup unit (4), the circuit assembly (5), the sound amplifying mechanism, the detection circuit assembly (5), the pc platform and the display are electrically connected with the PLC.
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| CN202311189777.2A CN117310484A (en) | 2023-09-15 | 2023-09-15 | Motor noise detection method and noise detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118152864A (en) * | 2024-05-11 | 2024-06-07 | 常州全一智能科技有限公司 | Motor detection method and system based on multi-source data fusion |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426121A (en) * | 2019-09-13 | 2019-11-08 | 顺德职业技术学院 | A kind of motor or engine abnormal noise detection device and method |
| CN212567654U (en) * | 2020-08-14 | 2021-02-19 | 厦门海格威科技有限公司 | Portable underground noise detection device and system |
| CN213209250U (en) * | 2020-10-13 | 2021-05-14 | 四川省中环博环境检测有限责任公司 | Solid sound transmission sound pick-up of sound level meter |
| CN113091872A (en) * | 2021-04-06 | 2021-07-09 | 深圳市汉德网络科技有限公司 | Method and device for diagnosing fault sensor |
| CN113280912A (en) * | 2021-06-09 | 2021-08-20 | 湛江港（集团）股份有限公司 | Industrial enterprise factory boundary multidimensional noise monitoring system |
| CN114002598A (en) * | 2021-11-25 | 2022-02-01 | 合肥融讯电子科技有限公司 | Motor noise detection device |
| CN114242085A (en) * | 2020-09-27 | 2022-03-25 | 阳江核电有限公司 | Fault diagnosis method and device for rotating equipment |
-
2023
- 2023-09-15 CN CN202311189777.2A patent/CN117310484A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426121A (en) * | 2019-09-13 | 2019-11-08 | 顺德职业技术学院 | A kind of motor or engine abnormal noise detection device and method |
| CN212567654U (en) * | 2020-08-14 | 2021-02-19 | 厦门海格威科技有限公司 | Portable underground noise detection device and system |
| CN114242085A (en) * | 2020-09-27 | 2022-03-25 | 阳江核电有限公司 | Fault diagnosis method and device for rotating equipment |
| CN213209250U (en) * | 2020-10-13 | 2021-05-14 | 四川省中环博环境检测有限责任公司 | Solid sound transmission sound pick-up of sound level meter |
| CN113091872A (en) * | 2021-04-06 | 2021-07-09 | 深圳市汉德网络科技有限公司 | Method and device for diagnosing fault sensor |
| CN113280912A (en) * | 2021-06-09 | 2021-08-20 | 湛江港（集团）股份有限公司 | Industrial enterprise factory boundary multidimensional noise monitoring system |
| CN114002598A (en) * | 2021-11-25 | 2022-02-01 | 合肥融讯电子科技有限公司 | Motor noise detection device |
Non-Patent Citations (1)
| Title |
|---|
| 陈颂: "电力变压器噪声特性及评估***研究", 中国优秀硕士学位论文全文数据库 工程科技II辑, no. 01, 15 January 2020 (2020-01-15), pages 47 - 48 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118152864A (en) * | 2024-05-11 | 2024-06-07 | 常州全一智能科技有限公司 | Motor detection method and system based on multi-source data fusion |
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