CN116644302A - Information acquisition method and system for microgravity device - Google Patents
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- CN116644302A CN116644302A CN202310403151.0A CN202310403151A CN116644302A CN 116644302 A CN116644302 A CN 116644302A CN 202310403151 A CN202310403151 A CN 202310403151A CN 116644302 A CN116644302 A CN 116644302A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 230000000007 visual effect Effects 0.000 claims abstract description 10
- 238000004364 calculation method Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 19
- 238000004088 simulation Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 13
- 230000001788 irregular Effects 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000013507 mapping Methods 0.000 description 6
- 239000003550 marker Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
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- 238000005485 electric heating Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- 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
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/80—Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
- G06F16/81—Indexing, e.g. XML tags; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/80—Information retrieval; Database structures therefor; File system structures therefor of semi-structured data, e.g. markup language structured data such as SGML, XML or HTML
- G06F16/83—Querying
- G06F16/832—Query formulation
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F18/22—Matching criteria, e.g. proximity measures
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
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Abstract
The application discloses an information acquisition method and system for a microgravity device, comprising the following steps: keeping the microgravity device in a non-operation state, and measuring information of the microgravity device in the non-operation state; running a microgravity device, and acquiring a motion track of the microgravity device based on visual servo; calculating the motion trail and the information in the non-running state to obtain running information of the microgravity device; and after the operation information is transmitted to the cloud server for storage, the cloud server performs attribute analysis and classification on the operation information, and information of the microgravity device is obtained and displayed through a display. According to the application, the microgravity device information in the running state and the non-running state is classified after calculation and analysis, so that the microgravity device does not need to be operated all the time, and the waste of energy sources is reduced.
Description
Technical Field
The application belongs to the field of information acquisition, and particularly relates to an information acquisition method and system for a microgravity device.
Background
The ground microgravity simulation is a new research field which appears along with the development of the aerospace technology, and compared with digital simulation and theoretical evaluation, the experimental data obtained through the microgravity simulation is stronger in authenticity and reliability and has irreplaceable advantages. Therefore, in order to ensure the reliability of the on-orbit operation of the spacecraft, a microgravity ground simulation test is an indispensable work.
At present, the simulation operation result of the microgravity device in the non-operation state and the operation result in the actual operation state are different, so that the problem that the expected effect cannot be achieved in the operation process of the microgravity device exists, meanwhile, in the process of eliminating the influence problem, the microgravity device is enabled to always operate to search the influence factors, the resource waste is caused, and meanwhile, the problem that the influence information cannot be found completely exists.
Disclosure of Invention
The application aims to provide an information acquisition method and system for a microgravity device, so as to solve the problems in the prior art.
In order to achieve the above object, the present application provides an information acquisition method and system for a microgravity device, including:
keeping the microgravity device in a non-operation state, and measuring information of the microgravity device in the non-operation state;
running a microgravity device, and acquiring a motion track of the microgravity device based on visual servo;
calculating the motion trail and the information in the non-running state to obtain running information of the microgravity device;
and after the operation information is transmitted to the cloud server for storage, the cloud server performs attribute analysis and classification on the operation information, and information of the microgravity device is obtained and displayed through a display.
Preferably, the process of measuring the information of the microgravity device in the non-operation state comprises the following steps:
maintaining the microgravity device in a non-running state, and acquiring pose system information of the microgravity device through a pose camera;
acquiring part information of a microgravity device, and processing the part information of the microgravity device to acquire processing part information;
and integrating the pose system information and the processing component information to obtain the information of the microgravity device in a non-running state.
Preferably, the process of integrating the pose system information and the processing component information includes:
analyzing the pose information to obtain pose feature points;
performing specific matching on the processing component information and the pose characteristic points to obtain a matching result;
and based on the matching result, integrating the pose system information and the processing component information to obtain the information of the microgravity device in a non-running state.
Preferably, the process of acquiring the motion trail of the microgravity device comprises the following steps:
the microgravity device is operated, and the operated microgravity device performs irregular movement;
and acquiring the track of the irregular movement through a visual servo system to obtain the movement track of the microgravity device.
Preferably, the process of obtaining the microgravity device operation information includes:
calculating the motion trail of the microgravity device based on the parameters of the microgravity device to obtain motion operation information;
performing simulation operation on the information in the non-operation state to obtain simulation operation information;
and performing similarity calculation on the motion operation information and the simulation operation information to obtain the operation information of the microgravity device.
Preferably, the process of obtaining information of the microgravity device and displaying the information through a display comprises:
setting encryption rules of a cloud server, encrypting the operation information based on the encryption rules after the cloud server receives the operation information, and extracting the operation information attribute to obtain the operation information attribute;
and classifying the attribute of the operation information based on attribute codes, and displaying the information of the microgravity device through a display after obtaining the information of the microgravity device.
Preferably, the process of setting the encryption rule on the cloud server includes:
setting a user public key and a user private key, and performing authority setting on the user public key and the user private key to obtain an authority rule;
setting an information sensitivity level, and acquiring an information index rule based on the information sensitivity level;
and setting encryption rules of the cloud server by the permission rules and the information index rules.
To achieve the above object, the present application also provides an information acquisition system for a microgravity device, comprising:
the non-operation testing module is used for measuring the information of the microgravity device in a non-operation state;
the running test module is used for enabling the microgravity device to run and acquiring a movement track of the microgravity device based on visual servo;
the calculation module is respectively connected with the non-operation test module and the operation test module and is used for calculating the motion trail and the information in the non-operation state to obtain the operation information of the microgravity device;
the cloud classifying module is connected with the computing module and used for receiving and storing the operation information of the microgravity device, carrying out attribute analysis and classifying on the operation information of the microgravity device and obtaining the information of the microgravity device;
and the display module is used for displaying the microgravity device information.
The application has the technical effects that:
1. according to the application, the microgravity device information in the running state and the non-running state is classified after calculation and analysis, so that the microgravity device does not need to be operated all the time, and the waste of energy sources is reduced;
2. the microgravity device information acquired by the method is more accurate, and can help technicians to find influencing factors better.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a flow chart of a method for acquiring information of a microgravity device according to an embodiment of the present application;
fig. 2 is a schematic diagram of an information acquisition system of a microgravity device according to an embodiment of the present application.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
Example 1
As shown in fig. 1, the present embodiment provides an information acquisition method for a microgravity device, including:
keeping the microgravity device in a non-operation state, and measuring information of the microgravity device in the non-operation state;
running a microgravity device, and acquiring a motion track of the microgravity device based on visual servo;
calculating the motion trail and the information in the non-running state to obtain running information of the microgravity device;
and after the operation information is transmitted to the cloud server for storage, the cloud server performs attribute analysis and classification on the operation information, and information of the microgravity device is obtained and displayed through a display.
The microgravity device in this embodiment specifically comprises:
comprises a main body, a pumping system, a temperature control system, a monitoring instrument and the like. Wherein, the main body is usually made of high-strength materials to bear the huge pressure of the external air pressure and ensure the stability of the microgravity environment. The pumping system is responsible for pumping the air in the environment to a set vacuum degree so as to achieve the purpose of simulating the microgravity environment. Pumping systems can be classified into mechanical pumps, scroll molecular pumps, etc. according to the degree of vacuum required. The temperature control system is used for controlling the temperature and the humidity in the environment so as to ensure the stability of experimental conditions. The temperature control system can comprise an electric heating wire, a temperature controller, a thermocouple, a heating plate and the like. The monitoring instrument is used to record and analyze data generated during the experiment, such as pressure, temperature, gas composition, material status, etc. The monitoring instrument may include a vacuum gauge, leak detector, thermocouple, hygrometer, and the like.
In a further preferred embodiment, the process for measuring information of the microgravity device in the non-operating state includes:
maintaining the microgravity device in a non-running state, and acquiring pose system information of the microgravity device through a pose camera;
acquiring part information of a microgravity device, and processing the part information of the microgravity device to acquire processing part information;
and integrating the pose system information and the processing component information to obtain the information of the microgravity device in a non-running state.
Further, in an optimized scheme, the process of integrating the pose system information and the processing component information includes:
analyzing the pose information to obtain pose feature points;
performing specific matching on the processing component information and the pose characteristic points to obtain a matching result;
and based on the matching result, integrating the pose system information and the processing component information to obtain the information of the microgravity device in a non-running state.
Further optimizing scheme, the process of obtaining the motion trail of the microgravity device comprises the following steps:
the microgravity device is operated, and the operated microgravity device performs irregular movement;
and acquiring the track of the irregular movement through a visual servo system to obtain the movement track of the microgravity device.
In a further preferred embodiment, the process for obtaining the operation information of the microgravity device includes:
calculating the motion trail of the microgravity device based on the parameters of the microgravity device to obtain motion operation information;
performing simulation operation on the information in the non-operation state to obtain simulation operation information;
and performing similarity calculation on the motion operation information and the simulation operation information to obtain the operation information of the microgravity device.
Inputting operation information to be analyzed, and performing impurity removal processing on the operation information and impurity preset by each marker word; extracting words in the operation information and the preset disambiguates of each marker word to perform disambiguation check; replacing the operation information with similar words preset by each marker word; the operation information and default feature words of each marker word are subjected to feature word inspection to obtain rule operation information after semantic analysis; and performing similarity calculation on the rule operation information and the marker word to output response operation information corresponding to the semantic meaning of the rule operation information.
In a further preferred embodiment, the process of obtaining information of the microgravity device and displaying the information through the display includes:
setting encryption rules of a cloud server, encrypting the operation information based on the encryption rules after the cloud server receives the operation information, and extracting the operation information attribute to obtain the operation information attribute;
when the cloud server stores the information, the information is stored in a database which is in an xml format;
constructing an XML database requires the following steps:
determining a data structure based on the microgravity environment requirement: the data in the XML database is stored in the form of XML documents, so it is necessary to determine the data structure and define Document Type Definitions (DTD) or XML Schemas (XSD) to describe the format and rules of the data. These templates include elements, attributes, namespaces, etc.
Designing a document template: from the data structure, an XML document template is created and designed, i.e., the elements, attributes, and relationships between them in the XML document are defined.
Determining a storage scheme: an appropriate XML database system, such as eXist-db, baseX, markLogic, etc., is selected according to application requirements. Some database management systems also support data importation and querying in XML format, such as Oracle and microsoft sqlserver.
Insert and query data: data is inserted into the database using a provided API or query language, such as XQuery or XPath, and the data is retrieved and queried from the database. It is noted here that the XML data stored in the database should conform to a pre-defined DTD or XSD specification.
Maintenance and optimization are performed: the database is periodically backed up and maintained, and query sentences and indexes are optimized to improve the index efficiency and query speed.
And classifying the attribute of the operation information based on attribute codes, and displaying the information of the microgravity device through a display after obtaining the information of the microgravity device.
Further optimizing the scheme, the process of setting the encryption rule on the cloud server comprises the following steps:
setting a user public key and a user private key, and performing authority setting on the user public key and the user private key to obtain an authority rule;
setting an information sensitivity level, and acquiring an information index rule based on the information sensitivity level;
and setting encryption rules of the cloud server by the permission rules and the information index rules.
The method comprises the following steps: randomly constructing a character mapping table, wherein the character mapping table comprises a plurality of pages, each page of character mapping table comprises all ASCII code characters, and each ASCII code character appears at least once in each page of character mapping table; for each character m in the information to be transmitted, any random number r is taken, the number of pages of the character mapping table is more than or equal to 0 and less than or equal to r, the position of the character m in the character mapping table on the r page is searched, and the random number r and the obtained position information are used as encrypted ciphertext of the character m; and taking the encrypted ciphertext of all characters in the information as the encrypted ciphertext of the information.
Example two
As shown in fig. 2, the embodiment provides an information acquisition system for a microgravity device, which includes a non-operation test module for measuring information of the microgravity device in a non-operation state;
the running test module is used for enabling the microgravity device to run and acquiring a movement track of the microgravity device based on visual servo;
the calculation module is respectively connected with the non-operation test module and the operation test module and is used for calculating the motion trail and the information in the non-operation state to obtain the operation information of the microgravity device;
the cloud classifying module is connected with the computing module and used for receiving and storing the operation information of the microgravity device, carrying out attribute analysis and classifying on the operation information of the microgravity device and obtaining the information of the microgravity device;
and the display module is used for displaying the microgravity device information.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (8)
1. An information acquisition method for a microgravity device, comprising the steps of:
keeping the microgravity device in a non-operation state, and measuring information of the microgravity device in the non-operation state;
running a microgravity device, and acquiring a motion track of the microgravity device based on visual servo;
calculating the motion trail and the information in the non-running state to obtain running information of the microgravity device;
and after the operation information is transmitted to the cloud server for storage, the cloud server performs attribute analysis and classification on the operation information, and information of the microgravity device is obtained and displayed through a display.
2. The information acquisition method for a microgravity device according to claim 1, wherein the process of measuring information of the microgravity device in a non-operation state includes:
maintaining the microgravity device in a non-running state, and acquiring pose system information of the microgravity device through a pose camera;
acquiring part information of a microgravity device, and processing the part information of the microgravity device to acquire processing part information;
and integrating the pose system information and the processing component information to obtain the information of the microgravity device in a non-running state.
3. The information acquisition method for a microgravity device according to claim 2, wherein the process of integrating the pose system information and the processing part information includes:
analyzing the pose information to obtain pose feature points;
performing specific matching on the processing component information and the pose characteristic points to obtain a matching result;
and based on the matching result, integrating the pose system information and the processing component information to obtain the information of the microgravity device in a non-running state.
4. The information acquisition method for a microgravity device according to claim 1, wherein the process of acquiring the motion trajectory of the microgravity device comprises:
the microgravity device is operated, and the operated microgravity device performs irregular movement;
and acquiring the track of the irregular movement through a visual servo system to obtain the movement track of the microgravity device.
5. The method of claim 1, wherein the step of obtaining the operation information of the microgravity device comprises:
calculating the motion trail of the microgravity device based on the parameters of the microgravity device to obtain motion operation information;
performing simulation operation on the information in the non-operation state to obtain simulation operation information;
and performing similarity calculation on the motion operation information and the simulation operation information to obtain the operation information of the microgravity device.
6. The information acquisition method for a microgravity device according to claim 1, wherein the process of acquiring information of the microgravity device and displaying the information through a display includes:
setting encryption rules of a cloud server, encrypting the operation information based on the encryption rules after the cloud server receives the operation information, and extracting the operation information attribute to obtain the operation information attribute;
and classifying the attribute of the operation information based on attribute codes, and displaying the information of the microgravity device through a display after obtaining the information of the microgravity device.
7. The method for obtaining information of a microgravity device according to claim 6, wherein the process of setting encryption rules for the cloud server comprises:
setting a user public key and a user private key, and performing authority setting on the user public key and the user private key to obtain an authority rule;
setting an information sensitivity level, and acquiring an information index rule based on the information sensitivity level;
and setting encryption rules of the cloud server by the permission rules and the information index rules.
8. An information acquisition system for a microgravity device, comprising:
the non-operation testing module is used for measuring the information of the microgravity device in a non-operation state;
the running test module is used for enabling the microgravity device to run and acquiring a movement track of the microgravity device based on visual servo;
the calculation module is respectively connected with the non-operation test module and the operation test module and is used for calculating the motion trail and the information in the non-operation state to obtain the operation information of the microgravity device;
the cloud classifying module is connected with the computing module and used for receiving and storing the operation information of the microgravity device, carrying out attribute analysis and classifying on the operation information of the microgravity device and obtaining the information of the microgravity device;
and the display module is used for displaying the microgravity device information.
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| CN202310403151.0A CN116644302A (en) | 2023-04-14 | 2023-04-14 | Information acquisition method and system for microgravity device |
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