CN117874096A - Fault analysis method for civil aircraft flight rule designer - Google Patents
Fault analysis method for civil aircraft flight rule designer Download PDFInfo
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Abstract
The invention provides a fault analysis method for a civil aircraft flight rule designer, which comprises the following steps: acquiring fault experience and operation rule data of a test flight test; according to a preset quantization method and a criterion, the fault experience and the operation procedure data are expressed in detail, and a plurality of test instructions and operation instructions are formed in a quantization mode, wherein a fault experience library and an operation instruction library are respectively formed by the collection of the test instructions and the operation instructions, and the criterion is standard data of fault occurrence; marking instructions, namely marking the instructions in the operation instruction library and the fault experience library according to the serial numbers of the test tasks; establishing the association between the test task and data such as flight information, test data, data classification, parameters, analysis results and the like; storing test data; quantifying the test data; screening fault data; analyzing faults and judging whether fault data meet criteria; and generating an analysis result.
Description
Technical Field
The invention relates to the field of civil aircraft test flight tests, in particular to a fault analysis method for a civil aircraft flight rule designer.
Background
The civil aircraft flight rule designer is an auxiliary tool for making flight rules and flight plans, and can help pilots or flight plan makers to make flight rules and plans conforming to regulations according to factors such as requirements of flight tasks, performance parameters of aircraft, flight environments and the like. The rule designer may include various functional modules such as meteorological analysis, routing, altitude profile generation, performance analysis, etc. These modules may be integrated into a system that automatically generates a flight plan that complies with the flight rules by inputting relevant parameters and requirements. In addition, the rule designer can adjust and optimize the flight plan in real time according to real-time data and conditions in the flight process so as to ensure the safety and high efficiency of the flight.
The rule designer of the civil aircraft can also be used for test flight experiments of the civil aircraft, and in the prior art, engineers mainly manually import test data through local software and manually set criteria (data standard of aircraft faults) according to inspection instructions, or divide the data through recorded time, so that the defect is that no method is available for automatically screening the data meeting the conditions.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides a fault analysis method for a civil aircraft flight rule designer.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a fault analysis method for a civil aircraft flight rules designer, comprising:
acquiring fault experience and operation rule data of a test flight test;
according to a preset quantization method and a criterion, the fault experience and the operation procedure data are expressed in detail, and a plurality of test instructions and operation instructions are formed in a quantization mode, wherein a fault experience library and an operation instruction library are respectively formed by the collection of the test instructions and the operation instructions, and the criterion is standard data of fault occurrence;
marking instructions, namely marking the instructions in the operation instruction library and the fault experience library according to the serial numbers of the test tasks; establishing the association between the test task and data such as flight information, test data, data classification, parameters, analysis results and the like;
storing test data to provide data support for fault analysis;
quantizing the test data, and quantizing the input test data into a quantization paradigm;
screening fault data, and comparing the quantized test data with a test instruction and an operation instruction through a test task mark to obtain fault data;
fault analysis is carried out on the fault data according to the test task, and whether the fault data meets the criterion or not is judged;
and generating an analysis result, and automatically obtaining an analysis report after the test task is completed.
Preferably, the fault analysis application comprises a client and a server; the client is used for supporting test site fault analysis, and the server adopts an open source cloud primary architecture for unified management of data; the fault analysis application adopts an edge cloud cooperative integrated mode.
Preferably, the method further comprises: and taking the FTP server as a file server for storing test data, uniformly uploading the test data files into the FTP server by test site personnel, and downloading the test data files from the FTP server when the test site personnel use the test data files.
Preferably, after the fault analysis application server is online, the newly added test data file is read from the FTP server regularly or actively, quantized and stored in the lotDB.
Preferably, the customer service side needs the service side to authorize; the client is authorized through an authorization file stored locally; and simultaneously recording login information and operation information of the user using the client and synchronizing the log information of the client to the server.
Preferably, the criteria include: fault name, treatment advice, whether to fly, criterion establishment condition, criterion establishment time, criterion accumulation calculation, support of parameter value or time accumulation calculation and whether to start when the criterion is established.
Preferably, the criteria may be stored in XML; one XML file may contain a plurality of criteria applicable to the same model.
Preferably, the criteria include three types of conditional rules:
accumulation, which is to say that the condition is satisfied, but the parameter value or time of the event is accumulated;
duration means that the condition is satisfied, but the duration of the event is recorded;
the time position of the event is recorded when the duration of the condition is met.
Preferably, the duration is in milliseconds.
Preferably, the method further comprises: test engineers, designers and field staff can visually display test data by using the graph, and meanwhile, scaling, comparison lines, key fields, full-graph display, region amplification, curve merging and filtering operations of the data can be completed in the graph.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can establish a series of data association and ensure the consistency and traceability between the data.
2. The invention can automatically form analysis results, automatically provide data and fault lists meeting requirements for testers, can efficiently assist engineers in working, and ensures civil aircraft tests.
3. By means of the fact that a large amount of process information of the purpose of the laboratory and running state information of each system of the testing machine are contained in the test data, the invention can provide a digital screening management tool with complete functions for testers, achieves storage and management of field test data, and provides data support for automatic fault screening and data screening.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
FIG. 1 is a flow chart of an embodiment of a fault analysis method for a civil aircraft flight rule designer according to the present invention.
Fig. 2 is a schematic diagram of a criterion determination flow of an embodiment of a fault analysis method for a civil aircraft flight rule designer according to the present invention.
FIG. 3 is a schematic diagram of test data visually displayed on a graph of an embodiment of a fault analysis method for a civil aircraft flight rule designer according to the present invention.
Detailed Description
The invention is further described with reference to the following detailed description in order to make the technical means, the inventive features, the achieved objects and the effects of the invention easy to understand. The present invention is not limited to the following examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention.
The inventor of the application finds that the reason that the data meeting the conditions cannot be automatically screened in the research and development process in the prior art is that the operation procedure of the test task in the rule designer has no relevance with the test task, so that a breakpoint is formed, the continuity and traceability between the data cannot be ensured, and the judgment needs to be reset for each task analysis. In view of the foregoing, the present invention provides a fault analysis method for a civil aircraft flight rule designer. Continuity and traceability between data can be ensured.
As shown in fig. 1, in a first aspect, the present invention provides a fault analysis method for a civil aircraft flight rule designer, including:
acquiring fault experience and operation rule data of a test flight test;
according to a preset quantization method and a preset criterion, fault experience and operation rule data are expressed in detail (data are connected into sentences by using operation symbols), and a plurality of inspection instructions and operation instructions are formed in a quantization mode, wherein a fault experience library and an operation instruction library are respectively formed by the collection of the inspection instructions and the operation instructions, and the instructions are rules and basis for screening and analyzing test flight data; the criterion is the standard data of fault occurrence; the quantization method is a method for representing fault experience and operation rules as quantization norms, and a user can customize the quantization method through a quantization tool;
marking instructions, namely marking the instructions in the operation instruction library and the fault experience library according to the serial numbers of the test tasks; establishing the association between the test task and data such as flight information, test data, data classification, parameters, analysis results and the like;
storing test data to provide data support for fault analysis; the method also comprises the steps of managing test data obtained on the test flight site, such as uploading, automatic conversion, detailed information display and the like, for a user;
quantizing the test data, and quantizing the input test data into a quantization paradigm;
screening fault data, comparing the quantized test data with a test instruction and an operation instruction through test task marks, wherein the test data identical to the corresponding operation instruction is the test data conforming to the operation instruction, and the test data identical to the corresponding test instruction is the fault data to obtain the fault data;
fault analysis is carried out on the fault data according to the test task, and whether the fault data meets the criterion or not is judged; the analysis process comprises the steps of calculating set parameters; the operations include, but are not limited to, greater than, equal to, less than, AND, OR, etc. logical operations, plus, minus, multiply, and divide by four operations; as shown in fig. 2, judging whether the test data meets the criteria includes loading after data reading, selecting the criteria, judging the data and the like; the visual design of the criteria can be performed through a visual criteria designer, and the criteria can be identified and managed according to the model;
and generating an analysis result, and automatically obtaining an analysis report after the test task is completed. The analysis report comprises test data meeting the criteria, the percentage of the occupied ratio meeting the criteria and other information; the engineers continuously apply the operation rules and can continuously and automatically convert the operation rules into corresponding instructions according to the quantization criteria, and the free combination of instruction sets can meet the automatic result analysis of test tasks.
In the test process of the civil aircraft, if an operation rule is used by a certain test task, after the test task is finished, a quantized operation instruction can be connected with test data according to a test task number, so that the test data which accords with the operation rule can be automatically screened out, and after fault experience is marked, the fault data of the test data can be screened out and compared with a criterion to judge whether the test is effective or not.
Further, the fault analysis application comprises a client and a server; the client is used for supporting the analysis of faults in the test site, completing the interpretation and analysis of the faults, outputting the interpretation results of the faults and forming an analysis report; the client provides the functions of importing and exporting data, a designer, a data graph, a small local storage rule, a small dictionary and the like, so that the client can also perform data processing work under the offline condition, and the data analysis efficiency is improved; the server adopts an open source cloud primary architecture for unified management of data; the fault analysis application adopts an edge cloud cooperation integrated mode, so that the requirements of daily test data management and analysis in a network environment are met, and Bian Yun cooperation is that edge side and center cloud cooperation are required for most deployment and application scenes of edge calculation; the client can be deployed in a portable notebook with better performance, off-line functional support is provided for the outfield test, and a test engineer and a crew can complete fault analysis work on site.
The method further comprises the steps of: and taking the FTP server as a file server for storing test data, uniformly uploading the test data files into the FTP server by test site personnel, and downloading the test data files from the FTP server when the test site personnel use the test data files. FTP servers (File Transfer Protocol Server) are computers that provide file storage and access services over the internet, which provide services in accordance with the FTP protocol.
After the fault analysis application server is online, the newly added test data file is read from the FTP server regularly or actively, quantized and stored in the lotDB. The loTDB (internet of things database) is a software system for integrally collecting, storing, managing and analyzing time sequence data of the internet of things, and the software system can meet the requirements of mass data storage, high-speed data reading and complex data analysis in the field of the industrial internet of things by performing deep integration with Apache Hadoop, spark, link and the like.
Further, the customer service side needs the server side to authorize; the client is authorized through an authorization file stored locally; and simultaneously recording login information and operation information of the user using the client and synchronizing the log information of the client to the server.
The criteria include:
fault name: names of criteria, such as engine temperature anomalies;
treatment advice: a section of text description describing a method for handling the fault occurrence event;
whether or not to fly: selecting from three types of flying capable, flying incapable and conditional flying;
the criterion is satisfied: the judging rule of the criterion is a series of logic judging sentences if the judging rule is a condition criterion; the conditions can be nested according to the structure of the multi-way tree;
criterion establishment time: the time of occurrence of the event for which the criterion is established, for example, how many milliseconds the condition occurs, indicates that the criterion is established;
criterion accumulation calculation: providing parameter values or time accumulation when the criteria are established;
whether to enable: whether the criteria are enabled.
Further, the criteria can use XML storage mode; one XML file may contain a plurality of criteria applicable to the same model. The XML file stores criteria, criteria conditional rules, duration, parameters (including parameter types and Chinese and English names) and the like.
Further, in the criteria, there are three types of conditional rules:
accumulation, which is to say that the condition is satisfied, but the parameter value or time of the event is accumulated; for example, the engine exhaust temperature is greater than 300 degrees for a total of 300 seconds for this flight;
duration means that the condition is satisfied, but the duration of the event is recorded; the duration may be in milliseconds;
the time position of the event is recorded when the duration of the condition is met.
As shown in fig. 3, the method further comprises: test engineers, designers and field staff can visually display test data by using the graph, and meanwhile, scaling, comparison lines, key fields, full-graph display, region amplification, curve merging and filtering operations of the data can be completed in the graph.
In a second aspect, embodiments of the present invention also provide a flight rules designer for a civil aircraft, comprising computer program instructions which cause the rules designer to perform the method of the first aspect described above.
In a third aspect, an embodiment of the present invention further provides a chip, configured to perform the method in the first aspect. Specifically, the chip includes: a processor for calling and running a computer program from the memory, such that the device on which the chip is mounted is for performing the method in the first aspect described above.
In a fourth aspect, embodiments of the present invention also provide a computer readable storage medium having a computer program stored thereon, which when executed by a processor implements the method of the first aspect of the present invention.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention without requiring creative effort by one of ordinary skill in the art. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. A method of fault analysis for a civil aircraft flight rules designer, comprising:
acquiring fault experience and operation rule data of a test flight test;
the fault experience and operation procedure data are expressed specifically according to a preset quantization method and a preset criterion, and a plurality of test instructions and operation instructions are formed in a quantized mode, wherein a fault experience library and an operation instruction library are respectively formed by the collection of the test instructions and the operation instructions, and the criterion is standard data of fault occurrence;
marking instructions, namely marking the instructions in the operation instruction library and the fault experience library according to the serial numbers of test tasks; establishing the association between the test task and data such as flight information, test data, data classification, parameters, analysis results and the like;
storing test data to provide data support for fault analysis;
quantizing the test data, and quantizing the input test data into a quantization paradigm;
screening fault data, and comparing the quantized test data with the inspection instruction and the operation instruction through test task marks to obtain the fault data;
fault analysis is carried out on fault data according to the test task, and whether the fault data accords with the criterion is judged;
and generating an analysis result, and automatically obtaining an analysis report after the test task is completed.
2. The method for fault analysis of a civil aircraft flight rule designer of claim 1, wherein the application of fault analysis includes a client and a server; the client is used for supporting test site fault analysis, and the server adopts an open source cloud primary architecture for unified management of data; the fault analysis application adopts an edge cloud cooperative integrated mode.
3. The method of fault analysis for a civil aircraft flight rule designer of claim 1, further comprising: and taking the FTP server as a file server for storing test data, uniformly uploading the test data files into the FTP server by test site personnel, and downloading the test data files from the FTP server when the test site personnel use the test data files.
4. A method for analyzing faults of a civil aircraft flight rule designer according to claim 3, wherein after the fault analysis application server is on line, the newly added test data file is read from the FTP server regularly or actively and is quantized and stored in the loTDB.
5. The fault analysis method for a civil aircraft flight rule designer according to claim 2, wherein the customer service side requires the service side to perform authorization; authorizing the client through a local authorization file; and simultaneously recording login information and operation information of a user using the client and synchronizing the client log information to the server.
6. The method of fault analysis for a civil aircraft flight rule designer of claim 1, wherein the criteria include: fault name, treatment advice, whether to fly, criterion establishment condition, criterion establishment time, criterion accumulation calculation, support of parameter value or time accumulation calculation and whether to start when the criterion is established.
7. The method for fault analysis of civil aircraft flight rule designer according to claim 1, characterized in that said criteria can use XML storage; in one XML file, a plurality of said criteria applicable to the same model may be included.
8. The method for fault analysis of civil aircraft flight rule designer according to claim 1, characterized in that among said criteria, there are three types of conditional rules:
accumulation, which is to say that the condition is satisfied, but the parameter value or time of the event is accumulated;
duration means that the condition is satisfied, but the duration of the event is recorded;
the time position of the event is recorded when the duration of the condition is met.
9. The method of fault analysis for a civil aircraft flight rule designer of claim 8, wherein the duration is in milliseconds.
10. The method of fault analysis for a civil aircraft flight rule designer of claim 1, further comprising: test engineers, designers and field staff can visually display the test data by using the graph, and meanwhile, scaling, comparison lines, key fields, full-graph display, region amplification, curve merging and filtering operations of the data can be completed in the graph.
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