CN111912642A - PHM cloud sharing verification platform - Google Patents
PHM cloud sharing verification platform Download PDFInfo
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- CN111912642A CN111912642A CN202010744073.7A CN202010744073A CN111912642A CN 111912642 A CN111912642 A CN 111912642A CN 202010744073 A CN202010744073 A CN 202010744073A CN 111912642 A CN111912642 A CN 111912642A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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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
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Abstract
The invention provides a PHM cloud sharing verification platform, which comprises: a data acquisition unit for acquiring a data source; the algorithm obtaining unit is used for obtaining a model or algorithm uploaded and loaded by a first user; and the data processing unit is used for processing the data source based on the model or the algorithm to obtain a verification evaluation result. The PHM cloud sharing verification platform realizes the construction of a remote service platform for the interaction of equipment and business information, is used as a carrier of an algorithm model and various data, and is output by a human-computer interface, and realizes fault isolation, health prediction, service life prediction and maintenance decision; the method realizes that the enterprise can adopt the data of the enterprise to carry out algorithm verification and can also adopt the data shared by other enterprises to carry out algorithm verification, thereby ensuring the reliability of the algorithm verification.
Description
Technical Field
The invention relates to the technical field of network platforms, in particular to a PHM cloud sharing verification platform.
Background
At present, the accuracy of a fault prediction and health management system (PHM) as a technology for equipment fault diagnosis and prediction is verified on the basis of a large amount of data, most PHM systems used by enterprises are subjected to fault diagnosis and prediction by using an algorithm on the basis of the data of the enterprises, the accuracy is not well verified, and the reliability does not reach an ideal state.
Disclosure of Invention
One purpose of the invention is to provide a PHM cloud sharing verification platform, which realizes the construction of a remote service platform for the interaction of equipment and business information, is used as a carrier of an algorithm model and various data, and is output by a man-machine interface, and realizes fault isolation, health prediction, service life prediction and maintenance decision; the method realizes that the enterprise can adopt the data of the enterprise to carry out algorithm verification and can also adopt the data shared by other enterprises to carry out algorithm verification, thereby ensuring the reliability of the algorithm verification.
The embodiment of the invention provides a PHM cloud sharing verification platform, which comprises:
a data acquisition unit for acquiring a data source;
the algorithm obtaining unit is used for obtaining a model or algorithm uploaded and loaded by a first user;
and the data processing unit is used for processing the data source based on the model or the algorithm to obtain a verification evaluation result.
Preferably, the PHM cloud sharing verification platform further includes:
and the storage unit is used for storing a data source, a model or algorithm and a verification evaluation result.
Preferably, the PHM cloud sharing verification platform further includes:
and the display unit is used for performing visualization processing on the verification evaluation result to obtain visualized data and displaying the visualized data to the first user.
Preferably, the visualization data comprises: one or more combinations of tables, graphs and curves.
Preferably, the algorithm obtaining unit includes:
the algorithm loading module is used for loading an algorithm;
and the algorithm classification module is used for acquiring the classification information of the algorithm.
Preferably, the data processing unit further performs operations comprising:
acquiring PHM content of a plan application selected by a second user;
acquiring matched host equipment selected by a second user;
acquiring historical operation and maintenance experience data input by a second user;
starting a preset performance evaluation tool, and performing performance evaluation on the host equipment input by the second user based on the host equipment and historical operation and maintenance data to obtain a performance evaluation result;
and outputting and storing the performance evaluation result of the selected PHM content.
Preferably, the PHM cloud sharing verification platform further includes:
and the simulation verification unit is used for performing simulation verification on the verification evaluation result.
Preferably, the analog verification unit includes: the simulation verification test module is used for initializing the operation parameters input by the second user and the configuration of the host equipment, performing simulation operation and verifying the fault diagnosis and prediction result;
the simulation verification test module comprises: the system comprises a variable-frequency speed-regulating back-to-back loading unit, a power transmission unit, a power supply unit, a working condition simulation unit, a fault simulation component, a sensing unit and a data acquisition and analysis unit;
variable Frequency Speed Governing (VFSG) load unit includes back to back: the driving motor variable frequency speed regulation subunit and the generator variable frequency loading subunit;
the power transmission unit includes: the device comprises a coupler, a supporting seat, a torque meter and a speed reducer;
the working condition simulation unit comprises:
the medium injection subunit is used for injecting a medium to simulate the oil quality change of the lubricating oil;
the fault simulation component comprises:
bearing with fault outer ring of bearing, bearing with fault inner ring of bearing, bearing with fault retainer of bearing, bearing with fault roller of bearing, bearing with fault misalignment of shaft, bearing with fault unbalance of shaft, speed reducer with fault loose foundation, speed reducer with fault gear and speed reducer with fault lubricating oil of gear box; a driving motor with a motor turn-to-turn short circuit, a driving motor with a rotor eccentric fault, a driving motor with a current imbalance fault, a driving motor with a rotor broken bar fault, a driving motor with a rotor bending fault, a driving motor with a motor rotor imbalance fault and a driving motor with a motor rotor misalignment fault;
the sensing unit includes:
one or more combinations of a displacement sensor, a vibration sensor, a temperature sensor, an oil quality sensor, a liquid level sensor, a current sensor, a voltage sensor and a rotating speed sensor;
the data acquisition and analysis unit comprises: a PC computer.
Preferably, the operating condition simulation unit further includes:
the vibration simulation subunit is used for outputting vibration working conditions of the vibration simulation equipment;
and the electromagnetic interference subunit is used for outputting electromagnetic harmonic interference working conditions of the electromagnetic interference simulation equipment.
Preferably, the electromagnetic interference subunit includes: an electromagnetic interference pulse generator.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a PHM cloud sharing verification platform according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An embodiment of the present invention provides a PHM cloud sharing verification platform, as shown in fig. 1, including:
a data acquisition unit 1 for acquiring a data source;
the algorithm obtaining unit 2 is used for obtaining a model or algorithm uploaded and loaded by a first user;
and the data processing unit 3 is used for processing the data source based on a model or an algorithm to obtain a verification evaluation result.
The working principle and the beneficial effects of the technical scheme are as follows:
the data acquisition unit 1 in the PHM cloud sharing verification platform in this embodiment is used to acquire a data source, where the data source may be monitoring data of real-time equipment uploaded by each enterprise logging in the PHM cloud sharing verification platform, or may be experimental data obtained after an experiment is performed after initialization data input by a user is loaded by an analog system; the algorithm obtaining module is used for obtaining a model or algorithm uploaded and loaded by a first user; the first user is an algorithm engineer or an algorithm designer, and algorithm design and model design are carried out through an algorithm acquisition module; the first user selects algorithm classification, selects historical data samples, inputs characteristic quantity, threshold value and performance evaluation content, starts a performance evaluation tool in a trial run mode, outputs and stores evaluation results and downloads the evaluation results through algorithm loading. When the first user releases the loaded algorithm or model, other users can directly call the loaded algorithm or model on the platform, at this time, the enterprise user can select the data source and the selected algorithm, and the data processing unit 3 processes the data source based on the model or algorithm to obtain a verification evaluation result. The data source can be enterprise self-monitoring data uploaded by the enterprise user.
The PHM cloud sharing verification platform realizes the construction of a remote service platform for the interaction of equipment and business information, is used as a carrier of an algorithm model and various data, and is output by a human-computer interface, and realizes fault isolation, health prediction, service life prediction and maintenance decision; the method realizes that the enterprise can adopt the data of the enterprise to carry out algorithm verification and can also adopt the data shared by other enterprises to carry out algorithm verification, thereby ensuring the reliability of the algorithm verification.
In one embodiment, the PHM cloud sharing verification platform further includes:
and the storage unit is used for storing a data source, a model or algorithm and a verification evaluation result.
The working principle and the beneficial effects of the technical scheme are as follows:
in order to realize data sharing, a storage unit is adopted to store a data source, a model or an algorithm and verify an evaluation result; and the calling of subsequent data sources, algorithms or models and verification evaluation results is facilitated.
In one embodiment, the PHM cloud sharing verification platform further includes:
and the display unit is used for performing visualization processing on the verification evaluation result to obtain visualized data and displaying the visualized data to the first user.
The visualization data includes: one or more combinations of tables, graphs and curves.
The working principle and the beneficial effects of the technical scheme are as follows:
the first user is displayed with the visual data mode through the display unit, and the first user can visually see the verification evaluation result. In addition, the display unit also adopts a visual data mode to display when the enterprise user carries out fault diagnosis and prediction.
In one embodiment, the algorithm obtaining unit 2 includes:
the algorithm loading module is used for loading an algorithm;
and the algorithm classification module is used for acquiring the classification information of the algorithm.
The working principle and the beneficial effects of the technical scheme are as follows:
the algorithm loading module is used for loading the algorithm, the first user can adopt the algorithm loading module to load the algorithm and can adopt a flow chart editing mode, and the algorithm loading module also stores a preset common algorithm, so that the user can conveniently call the algorithm. Through the algorithm classification module, the first user inputs a classification of the algorithm as its classification of the loaded algorithm on the one hand, and as a signature that distinguishes from other algorithms on the other hand.
In one embodiment, the data processing unit 3 further performs operations comprising:
acquiring PHM content of a plan application selected by a second user;
acquiring matched host equipment selected by a second user;
acquiring historical operation and maintenance experience data input by a second user;
starting a preset performance evaluation tool, and performing performance evaluation on the host equipment input by the second user based on the host equipment and historical operation and maintenance data to obtain a performance evaluation result;
and outputting and storing the performance evaluation result of the selected PHM content.
The working principle and the beneficial effects of the technical scheme are as follows:
the data processing unit 3 further performs operations including: acquiring PHM content of a plan application selected by a second user (an enterprise user); acquiring matched host equipment selected by a second user; acquiring historical operation and maintenance experience data input by a second user; starting a preset performance evaluation tool, and performing performance evaluation on the host equipment input by the second user based on the host equipment and historical operation and maintenance data to obtain a performance evaluation result; and outputting and storing the performance evaluation result of the selected PHM content. Through the steps, the enterprise user can adopt the PHM cloud sharing verification platform to carry out fault assessment and prediction on the equipment of the enterprise.
In one embodiment, the PHM cloud sharing verification platform further includes:
and the simulation verification unit is used for performing simulation verification on the verification evaluation result.
The analog verification unit includes: the simulation verification test module is used for initializing the operation parameters input by the second user and the configuration of the host equipment, performing simulation operation and verifying the fault diagnosis and prediction result
The simulation verification test module comprises: the system comprises a variable-frequency speed-regulating back-to-back loading unit, a power transmission unit, a power supply unit, a working condition simulation unit, a fault simulation component, a sensing unit and a data acquisition and analysis unit;
variable Frequency Speed Governing (VFSG) load unit includes back to back: the driving motor variable frequency speed regulation subunit and the generator variable frequency loading subunit;
the power transmission unit includes: the device comprises a coupler, a supporting seat, a torque meter and a speed reducer;
the working condition simulation unit comprises:
the medium injection subunit is used for injecting a medium to simulate the oil quality change of the lubricating oil;
the fault simulation component comprises:
bearing with fault outer ring of bearing, bearing with fault inner ring of bearing, bearing with fault retainer of bearing, bearing with fault roller of bearing, bearing with fault misalignment of shaft, bearing with fault unbalance of shaft, speed reducer with fault loose foundation, speed reducer with fault gear and speed reducer with fault lubricating oil of gear box; a driving motor with a motor turn-to-turn short circuit, a driving motor with a rotor eccentric fault, a driving motor with a current imbalance fault, a driving motor with a rotor broken bar fault, a driving motor with a rotor bending fault, a driving motor with a motor rotor imbalance fault and a driving motor with a motor rotor misalignment fault;
the sensing unit includes:
one or more combinations of a displacement sensor, a vibration sensor, a temperature sensor, an oil quality sensor, a liquid level sensor, a current sensor, a voltage sensor and a rotating speed sensor;
the data acquisition and analysis unit comprises: a PC computer.
The working condition simulation unit further comprises:
the vibration simulation subunit is used for outputting vibration working conditions of the vibration simulation equipment;
and the electromagnetic interference subunit is used for outputting electromagnetic harmonic interference working conditions of the electromagnetic interference simulation equipment.
The electromagnetic interference subunit includes: an electromagnetic interference pulse generator.
The working principle and the beneficial effects of the technical scheme are as follows:
the embodiment is a main structure of a simulation verification test platform, and the simulation verification test platform is established in advance, so that the operation parameters are loaded, the simulation operation is carried out, the fault diagnosis and prediction results of the health management module are verified based on the operation results, and the accuracy and precision of diagnosis and prediction are improved.
The method can be developed through a simulation verification test platform:
developing simulation experiment research of electromechanical faults of a transmission system under a simulated working condition;
because the interference source of the field measured signal is formed by compounding various interferences, the performance of the algorithm can be evaluated only, and the source of the problem cannot be provided, so that the algorithm cannot be effectively improved; therefore, experimental study of simulated working conditions is needed, fault samples or full-life cycle samples obtained by carrying out simulation experiments of single working conditions on various working conditions are used for checking the root cause of poor robustness of the algorithm, and the algorithm is improved; and the comprehensive performance of the algorithm is verified by simulating the composite interference. Therefore, experimental studies of single-condition and compound-condition conditions are required to obtain the required fault samples.
Firstly, fault diagnosis experiment research:
the method mainly obtains various electromechanical fault state data samples under different working conditions, including data samples in three states of a normal state, a weak fault state, a fault state and the like. The main experimental research contents are as follows:
b) developing fault injection simulation experiments under three states of universal working conditions and single fault to obtain a fault data standard sample;
c) developing an experimental study of common working conditions and multi-fault simultaneous injection simulation to obtain a multi-fault interference fault sample;
d) carrying out fault injection simulation experiments under three states of single working condition simulation and single fault to obtain a fault data sample under the working condition;
e) developing a fault injection simulation experiment under three states of composite working condition simulation and single fault to obtain a fault data sample under the composite working condition;
f) carrying out experimental research of composite working condition simulation and multi-fault simultaneous injection simulation to obtain a fault data sample under the composite working condition;
through fault injection simulation experiments under the conditions, 6 single working conditions (normal operation under rated conditions and 5 types of single working condition simulation such as variable load, variable speed, voltage fluctuation, electromagnetic interference, lubrication fault and the like) and 16 electromechanical fault state samples under composite working conditions are obtained, and the number of each electromechanical fault sample under each working condition is not less than 10;
and secondly, carrying out accelerated life tests on gears and bearings in the straight gear transmission and the planetary gear transmission under different working conditions to obtain life cycle data samples. The main experimental study contents are as follows:
a) developing a straight gear transmission accelerated life test under a general working condition until a special weak part (gear and bearing) is damaged, and obtaining a full life cycle data sample under the working condition;
b) carrying out a single working condition simulation straight gear transmission accelerated life experiment until a special weak part (gear and bearing) is damaged, and obtaining a working condition full life cycle data sample;
c) developing a composite working condition simulation straight gear transmission accelerated life experiment until a special weak part (gear and bearing) is damaged to obtain a working condition full life cycle data sample;
d) developing a planetary gear transmission accelerated life test under a general working condition until a special weak part (gear and bearing) is damaged, and obtaining a full life cycle data sample under the working condition;
e) carrying out a single working condition simulation planetary gear transmission accelerated life experiment until a special weak part (gear and bearing) is damaged, and obtaining a working condition full life cycle data sample; (ii) a
f) Developing a composite working condition simulation planetary gear transmission accelerated life experiment until a special weak part (gear and bearing) is damaged, and obtaining a working condition full life cycle data sample;
through the accelerated life test under the conditions, 6 single working conditions (normal operation under rated conditions and 5 types of single working condition simulation such as variable load, variable speed, voltage fluctuation, electromagnetic interference, lubrication fault and the like) and 4 types of full life cycle data samples of the straight-tooth transmission bearing and the gear and the planetary transmission bearing and the gear under the composite working condition are not lower than 28 groups.
In one particular embodiment of the application of the present invention,
the PHM cloud sharing verification platform can realize the following functions:
acquisition of big data samples
Besides the applicable measurement indexes, the performance verification and evaluation tool also needs a large number of historical samples as data sources and verification sources for algorithm evaluation, including fault samples and full-life-cycle data samples of different parts under different working conditions. The sample collection approaches mainly include:
a) and acquiring required transmission system fault state data and full life cycle sample data by fault injection and accelerated life tests. The method comprises the steps of obtaining 16 electromechanical fault state samples under 6 types of working conditions (normal operation plus 5 types of working condition simulation) obtained through experimental research, wherein the number of each electromechanical fault sample under each working condition is not less than 10; and the data samples of 4 types of full life cycles of the straight-tooth transmission bearing and the gear and the planetary transmission bearing and the gear under 6 types of single working conditions (normal operation plus 5 types of working condition simulation) and composite working conditions are not less than 28 groups.
b) And installing a fully mechanized mining equipment running state monitoring system at an industrial test point, and monitoring fully mechanized mining equipment running data in real time on line. The plan collects at least 6 groups of data samples of the whole life cycle such as the vibration of a driving speed reducer of the scraper conveyor of the working face, the temperature, the current of a driving motor and the like.
c) The comprehensive mining equipment management of coal production enterprises is extensively researched by combining the content of economic performance indexes, and not less than 10 groups of operation and maintenance knowledge information data samples, such as the regular maintenance full-life-cycle operation and maintenance cost of key parts of typical comprehensive mining equipment reducers, the full-life-cycle operation and maintenance conditions and the like, are collected.
A performance verification evaluation tool, a data sample, relevant basic data processing and characteristic quantity algorithms and the like are built on a world-ground leap established cloud service platform, and development of a cloud sharing verification platform is completed by combining an operating system, a database, task management and a human-computer interface, so that on-line verification of various indexes of the algorithms is realized.
The PHM cloud sharing verification platform allows a user to upload and load various models and algorithms by using an evaluation flow option and graphical guide type operation support, allows the user to select and combine a preposed data source, characteristic quantity, threshold value, data correction and evaluation index for executing the verified algorithm, and displays a verification evaluation result in a form, a graph, a curve and other modes; the report export function of the verification result is supported, process control, configuration management and storage in each stage are provided for the verification process, and a user can conveniently evaluate the process management and check the historical verification result.
The platform user side interface has the main functions:
a) designing a user side: and (3) algorithm loading, selecting algorithm classification, historical data samples, characteristic quantity, threshold values and performance evaluation content, starting a performance evaluation tool, outputting and storing evaluation results, downloading the evaluation results and the like.
b) Coal machine user: selecting PHM content of planned application, selecting matched host equipment, inputting the past operation and maintenance experience data of a user (platform operation and maintenance historical database data can be selected), starting a performance evaluation tool, outputting and storing an economic index evaluation result and a performance evaluation result of a selected PHM system, downloading the evaluation result and the like.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A PHM cloud sharing verification platform is characterized by comprising:
a data acquisition unit for acquiring a data source;
the algorithm obtaining unit is used for obtaining a model or algorithm uploaded and loaded by a first user;
and the data processing unit is used for processing the data source based on the model or the algorithm to obtain a verification evaluation result.
2. The PHM cloud-based shared authentication platform of claim 1, further comprising:
and the storage unit is used for storing the data source, the model or algorithm and the verification evaluation result.
3. The PHM cloud-based shared authentication platform of claim 1, further comprising:
and the display unit is used for performing visualization processing on the verification evaluation result to obtain visualization data and displaying the visualization data to the first user.
4. The PHM cloud-based shared verification platform of claim 3, wherein the visualization data comprises: one or more combinations of tables, graphs and curves.
5. The PHM cloud-based shared authentication platform of claim 1, wherein the algorithm obtaining unit comprises:
the algorithm loading module is used for loading the algorithm;
and the algorithm classification module is used for acquiring the classification information of the algorithm.
6. The PHM cloud-based shared authentication platform of claim 1, wherein the data processing unit further performs operations comprising:
acquiring PHM content of a plan application selected by a second user;
acquiring matched host equipment selected by the second user;
acquiring historical operation and maintenance experience data input by the second user;
starting a preset performance evaluation tool, and performing performance evaluation on the host equipment input by the second user based on the host equipment and the historical operation and maintenance data to obtain a performance evaluation result;
outputting and storing the performance evaluation result of the selected PHM content.
7. The PHM cloud-based shared authentication platform of claim 1, further comprising:
and the simulation verification unit is used for performing simulation verification on the verification evaluation result.
8. The PHM cloud-based shared authentication platform of claim 7, wherein the simulation authentication unit comprises: the simulation verification test module is used for initializing the operation parameters input by the second user and the configuration of the host equipment, performing simulation operation and verifying the fault diagnosis and prediction result;
the simulation verification test module comprises: the system comprises a variable-frequency speed-regulating back-to-back loading unit, a power transmission unit, a power supply unit, a working condition simulation unit, a fault simulation component, a sensing unit and a data acquisition and analysis unit;
the variable frequency speed regulation back-to-back loading unit comprises: the driving motor variable frequency speed regulation subunit and the generator variable frequency loading subunit;
the power transmission unit includes: the device comprises a coupler, a supporting seat, a torque meter and a speed reducer;
the working condition simulation unit comprises:
the medium injection subunit is used for injecting a medium to simulate the oil quality change of the lubricating oil;
the fault simulation component includes:
bearing with fault outer ring of bearing, bearing with fault inner ring of bearing, bearing with fault retainer of bearing, bearing with fault roller of bearing, bearing with fault misalignment of shaft, bearing with fault unbalance of shaft, speed reducer with fault loose foundation, speed reducer with fault gear and speed reducer with fault lubricating oil of gear box; a driving motor with a motor turn-to-turn short circuit, a driving motor with a rotor eccentric fault, a driving motor with a current imbalance fault, a driving motor with a rotor broken bar fault, a driving motor with a rotor bending fault, a driving motor with a motor rotor imbalance fault and a driving motor with a motor rotor misalignment fault;
the sensing unit includes:
one or more combinations of a displacement sensor, a vibration sensor, a temperature sensor, an oil quality sensor, a liquid level sensor, a current sensor, a voltage sensor and a rotating speed sensor;
the data acquisition and analysis unit comprises: a PC computer.
9. The health management validation evaluation system of claim 8, wherein the condition simulation unit further comprises:
the vibration simulation subunit is used for outputting vibration working conditions of the vibration simulation equipment;
and the electromagnetic interference subunit is used for outputting electromagnetic harmonic interference working conditions of the electromagnetic interference simulation equipment.
10. The health management validation evaluation system of claim 8, wherein the electromagnetic interference subunit comprises: an electromagnetic interference pulse generator.
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Application publication date: 20201110 |