CN110505294B - Method for automatically distributing test flight data files - Google Patents
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Abstract
The invention discloses a method for automatically distributing test flight data files, aiming at finding a more effective implementation scheme for distributing test flight data files, and the method comprises the following steps: acquiring a test flight number report based on the test flight number and the test points; reading a test flight data file according to the test flight number; confirming the trial flight subjects through the test point numbers, and searching a test parameter list in a trial flight outline database corresponding to the trial flight subjects; and intercepting the test flight data file by using the test parameter list, the test point execution starting time and the test point execution ending time to obtain intercepted test flight data, and packaging and storing the intercepted test flight data into a test flight sub-package result cache database. According to the method and the system, the sub-packaging and unpacking processes of all the test flight data are realized at the server side through the associated test flight data, test flight number reports and test flight schemas, so that a large amount of useless data can be filtered before distribution, and the communication efficiency is improved.
Description
Technical Field
The invention relates to the field of communication, in particular to a method for automatically distributing test flight data files.
Background
The flight test of civil aircraft can produce a large amount of flight test data, and these data have important meaning to aspects such as the design and manufacturing of aircraft, airworthiness evidence collection. Therefore, after the flight test is finished, the engineering technicians in all relevant fields hope to get the data file at the first time, so as to rapidly carry out the analysis work of the test flight data. The flight test data file typically consists of a large two-dimensional table with columns representing individual sensors on the test machine and rows representing the time of data acquisition at the row header. If the data acquisition frequency is 16 hertz, 16 lines of data will be generated every second and 115200 data will be generated for a 2 hour flight test. If a data file contains 300 sensor data then a 2 hour test flight data file will contain a total of 34560000 data. However, the number of sensors on a testing machine is usually more than 10000 at present, so that a large amount of test data cannot be stored on one data file at a time. Thus, a current trial of one flight will produce several data files with a large file size. Even after the number of sensors is reduced according to the test flight requirement, the test flight data generated by one flight test is about 20G.
Due to the particularity of flight test work, flight test data has the characteristics of large data volume and scattered data source regions. In the existing data file distribution mode, a test flight engineer puts forward a requirement on test flight data to a test engineer, and test flight number information of the required test flight data and required test flight parameter information are described in the requirement. After receiving the test flight data requirement, the test engineer searches the test flight data record according to the rack information, finds the relevant test flight data file, disassembles and packages the data file according to the requirement of the test flight engineer on the test parameters, and sends the data file to the test flight engineer. Usually, a flight test of one rack will include a plurality of test points, so the test flight data file packed by the test engineer includes the test data of all the test flight test points of the rack test. When analyzing test flight data, each professional test flight engineer usually analyzes only one test point. Therefore, the test flight engineer needs to search the execution information of the test point to be analyzed from the test flight number report, and the execution information of the test point includes the start execution time and the completion time of the test point. And then the test flight engineer cuts out the data blocks in the corresponding time period from the test flight data packet according to the starting time and the finishing time. The test flight engineer needs to complete the preparation of the test flight data before the real test flight data analysis work can be started. Since the test flight data package usually has hundreds of megabits, part of the test flight data file even exceeds 1G. With the improvement of the test flight technology, the flight time and the number of sensors are continuously increased, and the test flight data file is showing a trend of becoming larger and larger. For a test flight engineer, to open such a data file, the performance requirements and storage requirements of the local client computer are extremely high.
Therefore, in the current trial flight data distribution mode, the following obvious disadvantages exist:
1. data distribution needs to be carried out through links of application, searching, unpacking, packing and distribution, all the links need to be manually accessed by a test engineer, and the test flight engineer cannot timely and autonomously obtain required test flight data;
2. the test flight engineer needs to put forward a test flight data request to the test engineer according to the test flight number, however, the analysis work of the test flight data is usually directed at a test point, and the test flight engineer needs to perform secondary processing on the data after receiving the data sent by the test engineer to obtain required test point data;
3. flight tests are usually performed in the field and distributed all over the world, the network environment is relatively poor and unstable, time consumption is too long for transmission of a large amount of flight test data, and the data cannot be normally transmitted due to the influence of network stability;
4. all data files transmitted in the network are not split, the file volume is extremely large, and great pressure is caused on the transmission, storage and calculation of the data files.
Disclosure of Invention
In order to find a more effective implementation scheme for distributing the test flight data file, the invention provides a method and a device for automatically distributing the test flight data file, considering that a large amount of network, storage and computing resources are wasted due to the distribution work based on the non-split test flight data packet, and the volume of the data file split according to the test point is greatly smaller than that of the original test flight data.
The first scheme is as follows:
the method for automatically distributing the test flight data file comprises the following steps:
acquiring a test flight number report based on a test flight number and a test point to be analyzed in the test flight number, wherein the test flight number report comprises a test flight number and a test point list, and the test point list comprises a test point number, a test point execution starting time and a test point execution ending time;
reading a test flight data file according to the test flight number, wherein the test flight data file records flight test data in a two-dimensional table form, a transverse table head represents a test parameter name, and the head of each line represents data acquisition time;
confirming a test flight subject through the test point number, and searching a test parameter list in a test flight outline database corresponding to the test flight subject, wherein the test parameter list is a table comprising at least one test parameter name;
and intercepting the test flight data file by using the test parameter list, the test point acquisition starting time and the test point acquisition ending time to obtain intercepted test flight data, and packaging and storing the intercepted test flight data into a test flight sub-package result cache database.
Preferably, the step of obtaining the test flight number report based on the test flight number and the test point to be analyzed in the test flight number comprises the following steps:
and creating a data sub-packaging task based on the test flight numbers and the test points, judging whether the same data sub-packaging task exists in the test flight sub-packaging result cache database, and if so, returning the packaged test flight data in the test flight sub-packaging result cache database.
Preferably, the step of judging whether the same data packetization task exists in the test flight packetization result cache database comprises the following steps:
if the same data subpackage task does not exist in the test flight subpackage result cache database, adding the data subpackage task to a task list;
and polling the task list according to a preset period to obtain a test flight number report corresponding to the test flight number.
Preferably, the step of obtaining a test flight number report based on the test flight number and the test point to be analyzed in the test flight number comprises the following steps:
and searching a test flight number report in a preset test flight number report database based on the test flight number and the test point.
Preferably, the reading of the test flight data file according to the test flight shelf number includes the following steps:
and searching and obtaining a test flight data file in a preset test flight data file library according to the test flight number.
Preferably, the test point list further includes test point execution information, and the following steps are included before the test flight data file is intercepted by using the test parameter list, the test point execution start time, and the test point execution end time to obtain the intercepted test flight data:
and judging whether the test point executes the test or not according to the test point execution information, and if so, acquiring the test point execution starting time and the test point execution ending time.
Preferably, after the intercepted test flight data is packaged and stored in a test flight subpackage result cache database, the method includes the following steps:
generating a download notification and sending the download notification to a client;
and receiving a downloading instruction sent by the client, and returning intercepted test flight data stored in the test flight packet result cache database.
Scheme II:
the device for automatically distributing the test flight data file comprises the following components:
the test flight number obtaining module is used for obtaining a test flight number report based on the test flight number and a test point to be analyzed in the test flight number, wherein the test flight number report comprises a test flight number and a test point list, and the test point list comprises a test point number, test point execution starting time and test point execution ending time;
the test flight data file reading module is used for reading the test flight data files according to the test flight rack number, wherein the test flight data files record flight test data in a two-dimensional table form, a transverse table head represents a test parameter name, and the head of each row represents data acquisition time;
the test parameter list searching module is used for confirming the test flight subjects through the test point numbers and searching a test parameter list in a test flight outline database corresponding to the test flight subjects, wherein the test parameter list is a table comprising at least one test parameter name;
and the intercepting and packaging storage module is used for intercepting the test flight data file by using the test parameter list, the test point execution starting time and the test point execution ending time to obtain intercepted test flight data, and packaging and storing the intercepted test flight data into a test flight sub-package result cache database.
Preferably, the trial flight number obtaining module includes:
and the trial flight number report searching unit is used for searching a trial flight number report in a preset trial flight number report database based on the trial flight number and the test points.
Preferably, the test flight data file reading module includes:
and the test flight data file searching unit is used for searching and obtaining a test flight data file in a preset test flight data file library according to the test flight shelf number.
Compared with the prior art, the method and the device for automatically distributing the test flight data file have the following beneficial effects that:
the method and the device for automatically distributing the test flight data file realize the sub-packaging and unpacking processes of all the test flight data at the server end through the associated test flight data, the test flight number report and the test flight outline, so that the data finally distributed to the user is core data concerned by the user, a large amount of useless data is filtered by the server before being distributed, the data transmission quantity is reduced, the communication efficiency is improved, the threshold for searching the historical test flight data is reduced, and the mining and the reutilization of the historical test flight data can be greatly improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
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The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart of a method for automatically distributing a test flight data file according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating interception of test flight data in a method for automatically distributing a test flight data file according to an embodiment of the present invention;
fig. 3 is a schematic deployment diagram of a method for automatically distributing a test flight data file in a network environment according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of an apparatus for automatically distributing a test flight data file according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Referring to fig. 1, a method for automatically distributing a test flight data file according to an embodiment of the present invention includes steps S101 to S107:
step S101: the method comprises the steps of obtaining a test flight number report based on a test flight number and test points to be analyzed in the test flight number, wherein the test flight number report comprises a test flight number and a test point list, and the test point list comprises a test point number, test point execution starting time and test point execution ending time.
Specifically, the step of obtaining a test flight number report based on the test flight number and the test points to be analyzed in the test flight number comprises the following steps:
and searching a test flight number report in a preset test flight number report database based on the test flight number and the test point, wherein the test flight number report database is a server preset based on the test flight number.
In some embodiments, in order to improve the reusability of data subpackages and avoid repeated calculation packaging work after a user submits repeated data requests, the method comprises the following steps before acquiring a test flight number report based on a test flight number and a test point needing to be analyzed in the test flight number:
and establishing a data sub-packaging task based on the test flight number and the test point, judging whether the same data sub-packaging task exists in the test flight sub-packaging result cache database, and if so, returning the packaged test flight data in the test flight sub-packaging result cache database.
Of course, in order to improve the ordering of data processing, if the same data subpackaging task does not exist in the test flight subpackaging result cache database, the data subpackaging task is added to the task list, and then the task list can be polled according to a preset period to obtain a test flight number report corresponding to the test flight number.
It should be noted that the trial flight number and the test point are provided by the input of the trial flight engineer of the demand party of the flight test data, and compared with the prior art, the trial flight engineer does not need to provide complete trial flight number information and trial flight parameter information as before, that is, only needs to specify the trial flight number and the test point to be analyzed in the trial flight number.
Step S103: and reading a test flight data file according to the test flight number, wherein the test flight data file records flight test data in a two-dimensional table form, a transverse table head represents a test parameter name, and the head of each line represents data acquisition time.
Specifically, reading the test flight data file according to the test flight number comprises the following steps:
and searching and obtaining a test flight data file in a preset test flight data file library according to the test flight number, wherein the test flight data file library is a server preset based on test flight data.
Step S105: and confirming the test flight subjects through the test point numbers, and searching a test parameter list in a test flight outline database corresponding to the test flight subjects, wherein the test parameter list is a table comprising at least one test parameter name.
The test flight subject is a description of how to test some aspect of the performance of the developed aircraft through real or simulated flight tests during the development of the aircraft model. Thereby ensuring that the performance of a certain aspect of the developed airplane can meet the design requirement and the airworthiness evidence-obtaining requirement.
The test flight outline is a compendial technical file for organizing and implementing a flight test, and test flight subjects contained in the test flight outline indicate that the developed airplane is verified in a real or simulated flight test environment from which aspects, and the test flight outline is a main basis for compiling test flight files such as flight test modification technical conditions and test flight task lists and formulating various technical instructions related to test flight, and is a scale for evaluating whether the flight test achieves an expected target and checking technical effects. The flight plan is not allowed to change freely once approved and has a legal property. Typical contents of the flight test outline include: making a basis of the outline; the purpose and significance of flight tests; the tested object and the characteristics thereof are briefly described; test content and requirements; testing the total scheme; flight test and ground test (including laboratory simulation test) methods; description of a test method and a data processing method; testing a parameter list and precision requirements; flight test landing arrangement (trial flight items, brief contents, specific technical requirements and the like); a trial time flow chart or network diagram; the technical difficulties of ground and flight tests, and the organization and technical measures for ensuring the flight safety; test limit data; a collaboration relationship; ground and flight test result providing modes and the like. The flight test outline refers to relevant national regulations, and is formulated by a test flight implementation unit according to a flight test mission book compiled by a design unit or technical requirements issued by an aviation product identification governing department in combination with a specific tested object.
Step S107: and intercepting the test flight data file by using the test parameter list, the test point execution starting time and the test point execution ending time to obtain intercepted test flight data, and packaging and storing the intercepted test flight data into a test flight sub-package result cache database.
In some embodiments, considering that part of the trial points may not be executed, it makes no sense to perform data interception again, so that trial point execution information is often added to the trial point list, and before intercepting the trial flight data file using the test parameter list, the trial point execution start time, and the trial point execution end time to obtain intercepted trial flight data, the method includes the following steps: and judging whether the test point executes the test or not according to the test point execution information, and if so, acquiring the test point execution starting time and the test point execution ending time.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating a test flight data interception in a method for automatically distributing a test flight data file according to an embodiment of the present invention, where FSECU _1, FSECU _2, FSECU _3, FSECU _4, and FSECU _5 are examples of test parameter names, TIME is data acquisition TIME, and data in a gray frame is intercepted test flight data.
In order to facilitate downloading and using for a data demand party, intercepted test flight data are packaged and stored in a test flight sub-package result cache database, and then corresponding notifications are sent to test flight engineers, and the test flight engineers can independently download data package files from the test flight sub-package result cache database after receiving the notifications. After the intercepted test flight data are packaged and stored in a test flight sub-package result cache database, the method comprises the following steps:
generating a download notification and sending the download notification to the client;
and receiving a downloading instruction sent by the client, and returning intercepted test flight data stored in the test flight sub-package result cache database.
Referring to fig. 3, fig. 3 is a schematic diagram illustrating a deployment of a method for automatically distributing a test flight data file in a network environment according to an embodiment of the present invention, where the method includes a client, a test flight sub-package server, a test flight data file library, a test flight number report database, and a test flight outline database, where the test flight data file library, the test flight number report database, and the test flight outline database are respectively connected to the test flight sub-package server, and the client puts forward a request to the test flight sub-package server, that is, intercepted test flight data stored in a test flight sub-package result cache database.
Compared with the prior art, the method for automatically distributing the test flight data file provided by the embodiment of the invention has the following beneficial effects:
according to the method for automatically distributing the test flight data file, the sub-packaging and unpacking processes of all the test flight data are realized at the server side through the associated test flight data, test flight number reports and test flight schemas, so that the data finally distributed to users are core data concerned by the users, a large amount of useless data are filtered by the server before being distributed, the data transmission quantity is reduced, the communication efficiency is improved, the threshold for searching the historical test flight data is reduced, and the mining and the reutilization of the historical test flight data can be greatly improved.
Referring to fig. 4, based on the same inventive concept as the method for automatically distributing a test flight data file according to the embodiment of the present invention, another embodiment of the present invention provides an apparatus for automatically distributing a test flight data file, which includes a test flight number obtaining module 4001, a test flight data file reading module 4003, a test parameter list searching module 4005, and an intercepting and packing storage module 4007, wherein,
the test flight number obtaining module 4001 is configured to obtain a test flight number report based on the test flight number and a test point to be analyzed in the test flight number, where the test flight number report includes a test flight number and a test point list, and the test point list includes a test point number, a test point execution start time, and a test point execution end time;
the test flight data file reading module 4003 is used for reading a test flight data file according to a test flight rack number, wherein the test flight data file records flight test data in a two-dimensional table form, a transverse table head represents a test parameter name, and the head of each line represents data acquisition time;
the test parameter list searching module 4005 is configured to determine a test flight subject through the test point number, and search a test parameter list in a test flight outline database corresponding to the test flight subject, where the test parameter list is a table including at least one test parameter name;
and the interception and packaging storage module 4007 is configured to intercept the test flight data file by using the test parameter list, the test point execution start time, and the test point execution end time to obtain intercepted test flight data, and package and store the intercepted test flight data in a test flight sub-package result cache database.
In some embodiments, an apparatus for automatically distributing a test flight data file according to another embodiment of the present invention further includes:
the first cache returning module is used for creating a data sub-packaging task based on the trial flight number and the test point before a trial flight number report is obtained based on the trial flight number and the test point to be analyzed in the trial flight number and the test point, judging whether the same data sub-packaging task exists in a trial flight sub-packaging result cache database or not, and returning packed trial flight data in the trial flight sub-packaging result cache database if the same data sub-packaging task exists in the trial flight number report and the test point to be analyzed in the trial flight number;
the task list module is used for adding the data sub-packaging task to the task list if the same data sub-packaging task does not exist in the test flight sub-packaging result cache database after judging whether the same data sub-packaging task exists in the test flight sub-packaging result cache database or not;
and the polling module is used for polling the task list according to a preset period to obtain a test flight number report corresponding to the test flight number.
Preferably, the trial flight number obtaining module 4001 includes a trial flight number report search unit, configured to search a trial flight number report in a preset trial flight number report database based on the trial flight number and the test point.
Preferably, the test flight data file reading module 4003 includes a test flight data file searching unit, configured to search and obtain a test flight data file in a preset test flight data file library according to a test flight shelf number.
In some embodiments, the test point list further includes test point execution information, and the apparatus for automatically distributing a test flight data file according to another embodiment of the present invention further includes a test point execution module, configured to judge whether the test point executes a test according to the test point execution information before the test flight data file is intercepted by using the test parameter list, the test point execution start time, and the test point execution end time to obtain the intercepted test flight data, and if the test flight data file is executed, obtain the test point execution start time and the test point execution end time.
In some embodiments, an apparatus for automatically distributing a test flight data file according to another embodiment of the present invention further includes:
the notification module is used for generating a download notification and sending the download notification to the client after the intercepted test flight data is packaged and stored in the test flight sub-package result cache database;
and the return module is used for receiving the downloading instruction sent by the client and returning the intercepted test flight data stored in the test flight sub-package result cache database.
Compared with the prior art, the device for automatically distributing the test flight data file in another embodiment of the invention has the following beneficial effects:
according to another embodiment of the invention, the device for automatically distributing the test flight data file realizes the subpackaging and unpacking process of all the test flight data through the arrangement of the test flight number acquisition module 4001, the test flight data file reading module 4003, the test parameter list searching module 4005 and the intercepting and packing storage module 4007, reduces the data transmission quantity, improves the communication efficiency, reduces the threshold for searching the historical test flight data, and can greatly improve the mining and recycling of the historical test flight data.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A method for automatically distributing test flight data files is characterized by comprising the following steps:
acquiring a test flight number report based on a test flight number and a test point to be analyzed in the test flight number, wherein the test flight number report comprises a test flight number and a test point list, and the test point list comprises a test point number, a test point execution starting time and a test point execution ending time;
reading a test flight data file according to the test flight number, wherein the test flight data file records flight test data in a two-dimensional table form, a transverse table head represents a test parameter name, and the head of each line represents data acquisition time;
confirming a test flight subject through the test point number, and searching a test parameter list in a test flight outline database corresponding to the test flight subject, wherein the test parameter list is a table comprising at least one test parameter name;
and intercepting the test flight data file by using the test parameter list, the test point acquisition starting time and the test point acquisition ending time to obtain intercepted test flight data, and packaging and storing the intercepted test flight data into a test flight sub-package result cache database.
2. The method for automatically distributing the test flight data file according to claim 1, wherein the step of obtaining the test flight number report based on the test flight number and the test point to be analyzed in the test flight number comprises the following steps:
and creating a data sub-packaging task based on the test flight numbers and the test points, judging whether the same data sub-packaging task exists in the test flight sub-packaging result cache database, and if so, returning the packaged test flight data in the test flight sub-packaging result cache database.
3. The method for automatically distributing the test flight data file according to claim 2, wherein the step of judging whether the same data packetization task exists in the test flight packetization result cache database comprises the following steps:
if the same data subpackage task does not exist in the test flight subpackage result cache database, adding the data subpackage task to a task list;
and polling the task list according to a preset period to obtain a test flight number report corresponding to the test flight number.
4. The method for automatically distributing the test flight data file according to claim 1, wherein the step of obtaining the test flight number report based on the test flight number and the test point to be analyzed in the test flight number comprises the following steps:
and searching a test flight number report in a preset test flight number report database based on the test flight number and the test point.
5. The method for automatically distributing the test flight data file according to claim 1, wherein the step of reading the test flight data file according to the test flight number comprises the following steps:
and searching and obtaining a test flight data file in a preset test flight data file library according to the test flight number.
6. The method for automatically distributing the test flight data file according to claim 1, wherein the test point list further includes test point execution information, and before intercepting the test flight data file to obtain intercepted test flight data by using the test parameter list, the test point execution start time, and the test point execution end time, the method includes the following steps:
and judging whether the test point executes the test or not according to the test point execution information, and if so, acquiring the test point execution starting time and the test point execution ending time.
7. The method for automatically distributing the test flight data file according to claim 1, wherein after the intercepted test flight data is packaged and stored in a test flight subpackage result cache database, the method comprises the following steps:
generating a download notification and sending the download notification to a client;
and receiving a downloading instruction sent by the client, and returning intercepted test flight data stored in the test flight packet result cache database.
8. An apparatus for automatically distributing a test flight data file, the apparatus comprising:
the test flight number obtaining module is used for obtaining a test flight number report based on the test flight number and a test point to be analyzed in the test flight number, wherein the test flight number report comprises a test flight number and a test point list, and the test point list comprises a test point number, test point execution starting time and test point execution ending time;
the test flight data file reading module is used for reading the test flight data files according to the test flight rack number, wherein the test flight data files record flight test data in a two-dimensional table form, a transverse table head represents a test parameter name, and the head of each row represents data acquisition time;
the test parameter list searching module is used for confirming the test flight subjects through the test point numbers and searching a test parameter list in a test flight outline database corresponding to the test flight subjects, wherein the test parameter list is a table comprising at least one test parameter name;
and the intercepting and packaging storage module is used for intercepting the test flight data file by using the test parameter list, the test point execution starting time and the test point execution ending time to obtain intercepted test flight data, and packaging and storing the intercepted test flight data into a test flight sub-package result cache database.
9. The apparatus for automatic distribution of test flight data files according to claim 8, wherein the test flight number obtaining module includes:
and the trial flight number report searching unit is used for searching a trial flight number report in a preset trial flight number report database based on the trial flight number and the test points.
10. The apparatus for automatic distribution of test flight data files according to claim 8, wherein the test flight data file reading module includes:
and the test flight data file searching unit is used for searching and obtaining a test flight data file in a preset test flight data file library according to the test flight shelf number.
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