Analysis and verification method, analysis and verification system and analysis and verification equipment for standard airworthiness conformity and computer readable storage medium

Abstract

The invention relates to an analysis and verification method, an analysis and verification system and analysis and verification equipment for standard airworthiness conformity and a computer readable storage medium. The analysis and verification method for the standard airworthiness conformity comprises the steps that S1, theoretical analysis is conducted on standard content, comparative analysis is conducted on the standard content and applicable mature technical data, the difference of the standard content is analyzed, and the mature technical data comprise technical standards, technical specifications and data manuals; s2, based on the difference, performing test piece level analysis on the standard, and evaluating each technical content of the standard through multiple dimensions; and S3, based on the evaluation results of the multiple dimensions, performing product-level analysis on the standard to obtain product-level data, and determining the applicability of the product-level data. According to the standard airworthiness conformity analysis and verification method, the standard airworthiness conformity analysis and verification system, the standard airworthiness conformity analysis and verification equipment and the computer readable storage medium, the verification time can be shortened, the verification test workload can be saved, and the verification cost can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of airworthiness compliance verification, and in particular to an analysis and verification method, an analysis and verification system, an analysis and verification device and a computer-readable storage medium for standard airworthiness compliance. Background Art

[0002] In order to ensure the safety of civil aircraft, safeguard the public interest, and promote the development of aviation, the Airworthiness Administration has promulgated airworthiness regulations for aircraft engines, stipulating the minimum safety level of civil aircraft engines. The manufacturing process is an important process to ensure that the physical product always meets the design intent. The manufacturing process must be strictly controlled by technical standards to ensure that a sound structure is always produced. In order to verify that the process standards can meet the airworthiness requirements, it is necessary to demonstrate the applicability of the process standards and the stability of the manufacturing process, and complete the airworthiness compliance verification by adopting applicable verification methods. Due to the late start of civil aircraft development in my country, the safety design of civil aircraft is backward, and the research on airworthiness compliance verification has just started, and the airworthiness compliance verification methods and verification data are not perfect.

[0003] Commonly used conformity verification methods can be divided into four categories according to the form of conformity work implemented: 1) Engineering review; 2) Test; 3) Inspection; 4) Equipment identification. Based on these four categories of methods, they are further refined and finally formed into ten commonly used, practically tested and airworthiness department-approved conformity verification methods, as shown in Table 1.

[0004] Table 1 Airworthiness compliance verification method

[0005]

[0006]

[0007] However, all "test" type conformity verification methods (such as laboratory experiments, ground tests, test flights, simulator experiments) must prepare a test outline before implementation, and the corresponding tests can only be carried out after approval by the airworthiness department. After the test, the test report and the corresponding conformity report must be written in a timely manner, and the test results must be analyzed. The entire process is complicated, the test volume is large, the time cycle is long, and it consumes manpower and material resources, and the cost is huge. The verification methods of engineering review (such as: declaration of conformity, explanatory documents, analysis / calculation, safety assessment) need to demonstrate conformity through huge historical process data, process inheritance data and flight data. Sufficient supporting data analysis can effectively reduce the workload of test verification. However, domestic manufacturers currently often do not have sufficient production experience and aircraft usage data, and cannot reduce the test verification work through analysis / calculation and other means. Summary of the invention

[0008] In view of the above-mentioned problems in the prior art, the present invention proposes an analysis and verification method, analysis and verification system, analysis and verification equipment and computer-readable storage medium for standard airworthiness compliance, which can shorten the verification time, save the verification test workload and reduce the verification cost through theoretical analysis combined with comparative analysis of mature technical data to demonstrate the standard airworthiness compliance.

[0009] Specifically, the present invention proposes a method for analyzing and verifying standard airworthiness compliance, wherein the standard is applicable to aircraft engines, and the method comprises the steps of:

[0010] S1, conduct theoretical analysis on the content of the standard, conduct comparative analysis with applicable mature technical data, and analyze the differences in the content of the standard. The mature technical data include technical standards, technical specifications and data manuals;

[0011] S2, based on the differences, performing a test piece level analysis on the standard, and evaluating various technical contents of the standard through multiple dimensions;

[0012] S3, based on the evaluation results of multiple dimensions, perform product-level analysis on the standard to obtain product-level data and determine the applicability of the product-level data.

[0013] According to an embodiment of the present invention, in step S1, the difference of the standard content is analyzed to determine the difference level, and the difference level includes:

[0014] The technical requirements are consistent, and the control level of the standard content is the same as that of the mature technical data;

[0015] The technical requirements are tightened, and the control level of the standard content is higher than that of the mature technical data;

[0016] The technical requirements are relaxed, and the control level of the standard content is lower than that of the mature technical data;

[0017] The technical requirements have changed, and the standard content is inconsistent with the mature technical data.

[0018] According to an embodiment of the present invention, in step S2, if the difference level is consistent with the technical requirements or stricter technical requirements, the standard is subjected to a test piece level analysis.

[0019] According to an embodiment of the present invention, in step S2, the process of performing a test piece-level analysis on the standard includes performing a comparative analysis on various technical contents of the standard and historical data, and the multiple dimensions include at least:

[0020] Operability: the technical indicators of the standard can be achieved;

[0021] Stability: the various technical requirements of the standard can be stably controlled;

[0022] Performance compliance: the technical performance of the standard meets the requirements for use.

[0023] According to one embodiment of the present invention, in step S2, the historical data includes the process test data of the standard;

[0024] The operability includes comparing the technical provisions of the standard with the technical provisions in historical data to achieve coordination and compatibility.

[0025] According to one embodiment of the present invention, a statistical analysis method is used to determine the stability using multiple batches of historical data.

[0026] According to one embodiment of the present invention, the product-level data includes at least product historical production data, process control data and first-article identification data;

[0027] By grouping the product structure characteristics, typical products are selected for analysis and verification to determine the applicability of the product-level data.

[0028] The present invention also provides a standard airworthiness compliance analysis and verification system, which is applicable to the above-mentioned analysis and verification method, and the analysis and verification system comprises:

[0029] A difference analysis unit, used to conduct a theoretical analysis of the content of the standard, conduct a comparative analysis with applicable mature technical data, and analyze the differences of the content of the standard, wherein the mature technical data includes technical standards, technical specifications and data manuals;

[0030] A test piece level analysis unit, used to perform a test piece level analysis on the standard based on the difference, and evaluate various technical contents of the standard through multiple dimensions;

[0031] The product-level analysis unit performs product-level analysis on the standard based on the evaluation results of multiple dimensions to obtain product-level data and determine the applicability of the product-level data.

[0032] The present invention also provides an analysis and verification device for standard airworthiness compliance, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, the steps of the analysis and verification method for standard airworthiness compliance described in any one of the above items are implemented.

[0033] The present invention also provides a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the steps of the method for analyzing and verifying airworthiness compliance of any of the aforementioned standards are implemented.

[0034] The present invention provides a standard airworthiness compliance analysis and verification method, analysis and verification system, analysis and verification equipment and computer-readable storage medium, which conducts theoretical analysis on the content of the standard, conducts comparative analysis with applicable mature technical data, and conducts test piece-level analysis and product-level analysis on the standard to indicate the airworthiness compliance of the standard. In fact, the present invention adopts a compliance verification method with a method code of MC2, and completes the airworthiness compliance verification of aircraft engines through analysis and calculation, which can shorten the verification time, save the verification test workload, and reduce the verification cost.

[0035] It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings are included to provide further explanation of the present invention, and are incorporated into and constitute a part of this application. The accompanying drawings illustrate embodiments of the present invention and together with the description serve to explain the principle of the present invention.

[0037] In the attached figure:

[0038] Figure 1 A flowchart of a method for analyzing and verifying standard airworthiness compliance according to an embodiment of the present invention is shown.

[0039] Figure 2 A schematic structural diagram of a system for analyzing and verifying standard airworthiness compliance according to an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0040] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0041] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0042] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0043] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0044] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0045] In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above words have no special meaning and cannot be understood as limiting the scope of protection of this application. In addition, although the terms used in this application are selected from well-known and commonly used terms, some terms mentioned in the specification of this application may be selected by the applicant at his or her discretion, and their detailed meanings are explained in the relevant parts of the description of this article. In addition, it is required to understand this application not only by the actual terms used, but also by the meaning implied by each term.

[0046] Figure 1The flowchart of the analysis and verification method of standard airworthiness compliance of one embodiment of the present invention is shown. As shown in the figure, the present invention provides an analysis and verification method of standard airworthiness compliance, the standard is applicable to aircraft engines, and the analysis and verification method includes the steps of:

[0047] S1. Conduct theoretical analysis on the content of the standard and compare it with applicable mature technical materials to analyze the differences in the content of the standard. The mature technical materials include but are not limited to technical standards, technical specifications and data manuals;

[0048] S2, based on the differences, conduct a test piece level analysis of the standard and evaluate the technical contents of the standard through multiple dimensions;

[0049] S3, based on the evaluation results of multiple dimensions, conduct product-level analysis on the standards to obtain product-level data and determine the applicability of the product-level data.

[0050] Preferably, in step S1, the differences of the standard contents are analyzed to determine the difference level, and the difference level includes:

[0051] The technical requirements are consistent, and the control level of the standard content is the same as that of mature technical data;

[0052] The technical requirements are tightened, and the control level of the standard content is higher than that of mature technical data;

[0053] Technical requirements are relaxed, and the control level of standard content is lower than that of mature technical materials;

[0054] The technical requirements have changed and the standard content is inconsistent with the mature technical data.

[0055] Preferably, in step S2, if the difference level is consistent with the technical requirements or stricter technical requirements, the standard is analyzed at the test piece level. In other words, if the difference level is relaxed technical requirements or changed technical requirements, there is no need to enter step S2, that is, this method cannot analyze and verify the airworthiness compliance of the standard.

[0056] For example, if mature technical data indicates that the diameter of the casting pores allowed to be generated on the surface of a certain casting part shall not exceed 1mm, and if the diameter of the casting pores allowed to be generated on the surface of the part in the standard content shall not exceed 1mm, then it is judged that the difference level is consistent with the technical requirements; if the diameter of the casting pores allowed to be generated on the surface of the part in the standard content shall not exceed 0.8mm, then it is judged that the technical requirements are tightened; if the casting pores allowed to be generated on the surface of the part in the standard content shall not exceed 1.1mm or no requirements are made for casting pores, then it is judged that the technical requirements are relaxed; if the casting pores on the surface of the part in the standard content are accepted by comparison with the spectrum, then it is considered that the technical requirements have changed. It should be noted that analyzing the differences in the content of the standard requires analyzing the differences between the content of the standard and the mature technical data one by one.

[0057] Preferably, in step S2, the process of performing a test piece-level analysis on the standard includes comparative analysis of various technical contents of the standard with historical data, and the multiple dimensions include at least:

[0058] Operability: all technical indicators of the standard can be achieved;

[0059] Stability: various technical requirements of the standard can be stably controlled;

[0060] Performance compliance: various technical performances of the standard meet the use requirements;

[0061] It is easy to understand that only when the test piece-level analysis results show that the various technical indicators of the standard can be achieved, the various technical requirements can be stably controlled, and the various technical performances meet the use requirements, will the product-level analysis in step S3 be entered. If the requirements of the three dimensions cannot be met, it is considered that this method cannot be used to analyze and verify the airworthiness compliance of the standard.

[0062] Preferably, in step S2, the historical data includes standard process test data; operability includes comparing the technical terms of the standard with the technical terms in the historical data to achieve coordination and compatibility. If coordination and compatibility are achieved, it is considered that the various technical indicators of the standard are achievable.

[0063] Preferably, the stability is determined by using statistical analysis methods through multiple batches of historical data. For example, if the diameter of the casting pores allowed to be generated on the surface of a certain casting part in the standard content shall not exceed 1mm, the values ​​of the casting pore diameters allowed to be generated on the surface of the casting part in multiple batches in the historical data are obtained, and statistical analysis methods are used, such as calculating the CPK of the casting pore diameter. If the CPK of the casting pore diameters allowed to be generated on the surface of each batch of casting parts is greater than or equal to 1.0, it is considered that the technical requirement in the standard can be stably controlled.

[0064] Preferably, the product-level data includes at least the product's historical production data, process control data, and first-article identification data. In order to demonstrate the applicability of the standard to the product, it is necessary to demonstrate the applicability of the standard to the product material, product structure, product function, and product production scale through product-level data. Product-level analysis can be performed by grouping product structure characteristics, selecting typical products for analysis and verification, and determining the applicability of product-level data. If the applicability of product-level data is determined in the product-level analysis results, the standard is considered to be airworthiness compliant.

[0065] Figure 2 The schematic diagram of the structure of the standard airworthiness compliance analysis and verification system of one embodiment of the present invention is shown. As shown in the figure, the present invention also provides a standard airworthiness compliance analysis and verification system 200, which is applicable to the above-mentioned analysis and verification method. The analysis and verification system 200 includes:

[0066] The difference analysis unit 201 is used to conduct theoretical analysis on the content of the standard, compare and analyze with applicable mature technical materials, and analyze the differences of the content of the standard. The mature technical materials include technical standards, technical specifications and data manuals;

[0067] The test piece level analysis unit 202 is used to perform test piece level analysis on the standard based on the differences and evaluate various technical contents of the standard through multiple dimensions;

[0068] The product-level analysis unit 203 performs product-level analysis on the standard based on the evaluation results of multiple dimensions to obtain product-level data and determine the applicability of the product-level data.

[0069] The present invention also provides an analysis and verification device for standard airworthiness compliance, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of any of the aforementioned analysis and verification methods for standard airworthiness compliance are implemented.

[0070] The present invention also provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the method for analyzing and verifying airworthiness compliance of any of the aforementioned standards.

[0071] Among them, the specific implementation methods and technical effects of the analysis and verification system, analysis and verification equipment, and computer-readable storage medium can all be referred to the embodiments of the analysis and verification method for standard airworthiness compliance provided by the present invention above, and will not be repeated here.

[0072] The present invention provides a standard airworthiness compliance analysis verification method, analysis verification system, analysis verification equipment and computer-readable storage medium, which adopts a compliance verification method with method code MC2, fully combines theoretical basis with historical production data, can shorten verification time, save verification test workload, reduce verification cost, and thus efficiently and reliably complete airworthiness compliance verification. In order to show the reliability of analysis, the data required for standard airworthiness compliance verification should ensure record traceability, process standardization, and comprehensiveness of evidence. Special process confirmation, process test, first piece identification and other data should comply with AS (American Standard), HB (Aviation Industry Standard), GJB and other general standards. The verification party should establish a reliable quality system to ensure the validity of the data; theoretical basis, such as applicable technical standards, technical specifications and data manuals, including AMSww (American Aerospace Material Standard, ASTM American Testing and Materials Association Standard, MIL (U.S. Military Standard), HB (Aviation Industry Standard), GB (National Standard), etc., should be technical data approved by the Civil Aviation Administration.

[0073] Those skilled in the art will further appreciate that the various illustrative logic blocks, modules, circuits, and algorithm steps described in conjunction with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or a combination of the two. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps are generally described above in terms of their functionality. Whether such functionality is implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system. The technician may implement the described functionality in different ways for each specific application, but such implementation decisions should not be interpreted as resulting in a departure from the scope of the present invention.

[0074] The various illustrative logic modules and circuits described in conjunction with the embodiments disclosed herein may be implemented or executed with a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in cooperation with a DSP core, or any other such configuration.

[0075] The steps of the method or algorithm described in conjunction with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software module may reside in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to a processor so that the processor can read and write information from / to the storage medium. In an alternative, a storage medium may be integrated into a processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In an alternative, the processor and the storage medium may reside in a user terminal as discrete components.

[0076] In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented as a computer program product in software, each function may be stored on or transmitted by a computer-readable medium as one or more instructions or codes. Computer-readable media include both computer storage media and communication media, including any medium that facilitates the transfer of a computer program from one place to another. Storage media may be any available medium that can be accessed by a computer. As an example and not limitation, such a computer-readable medium may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage or other magnetic storage device, or any other medium that can be used to carry or store the desired program code in the form of an instruction or data structure and can be accessed by a computer. Any connection is also properly referred to as a computer-readable medium. For example, if the software is transmitted from a website, a server, or other remote source using a coaxial cable, a fiber optic cable, a twisted pair, a digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwaves, the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwaves are included in the definition of the medium. Disk and disc as used herein include compact disc (CD), laser disc, optical disc, digital versatile disc (DVD), floppy disk and Blu-ray disc, wherein disk often reproduces data magnetically, while disc reproduces data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.

[0077] It will be apparent to those skilled in the art that various modifications and variations may be made to the above exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention covers modifications and variations of the present invention that fall within the scope of the appended claims and their equivalent technical solutions.

Claims

1. A method for analyzing and verifying the airworthiness compliance of a standard, wherein the standard is applicable to aircraft engines, and the method for analyzing and verifying the compliance of the standard comprises the following steps: S1, conduct theoretical analysis on the content of the standard, conduct comparative analysis with applicable mature technical data, and analyze the differences in the content of the standard. The mature technical data include technical standards, technical specifications and data manuals; S2, based on the differences, performing a test piece-level analysis on the standard, and evaluating various technical contents of the standard through multiple dimensions; S3, based on the evaluation results of multiple dimensions, perform product-level analysis on the standard to obtain product-level data and determine the applicability of the product-level data.

2. The method for analyzing and verifying standard airworthiness compliance according to claim 1, characterized in that: In step S1, the differences of the standard contents are analyzed to determine the difference level, and the difference level includes: The technical requirements are consistent, and the control level of the standard content is the same as that of the mature technical data; The technical requirements are tightened, and the control level of the standard content is higher than that of the mature technical data; The technical requirements are relaxed, and the control level of the standard content is lower than that of the mature technical data; The technical requirements have changed and the standard content is inconsistent with the mature technical data.

3. The method for analyzing and verifying standard airworthiness compliance as claimed in claim 2, characterized in that: In step S2, if the difference level is consistent with the technical requirements or stricter technical requirements, the standard is subjected to a test piece level analysis.

4. The method for analyzing and verifying standard airworthiness compliance as claimed in claim 2, characterized in that: In step S2, the process of performing a test piece-level analysis on the standard includes comparing and analyzing various technical contents of the standard with historical data, and the multiple dimensions include at least: Operability: the technical indicators of the standard can be achieved; Stability: the various technical requirements of the standard can be stably controlled; Performance compliance: the technical performance of the standard meets the requirements for use.

5. The method for analyzing and verifying standard airworthiness compliance as claimed in claim 4, characterized in that: In step S2, the historical data includes the process test data of the standard; The operability includes comparing the technical provisions of the standard with the technical provisions in historical data to achieve coordination and compatibility.

6. The method for analyzing and verifying standard airworthiness compliance as claimed in claim 5, characterized in that: The stability is determined by using statistical analysis methods using historical data from multiple batches.

7. The method for analyzing and verifying standard airworthiness compliance as claimed in claim 1, characterized in that: The product-level data at least includes product historical production data, process control data and first-article identification data; By grouping the product structure characteristics, typical products are selected for analysis and verification to determine the applicability of the product-level data.

8. An analysis and verification system for standard airworthiness compliance, applicable to the analysis and verification method according to claim 1, characterized in that: The analysis and verification system comprises: A difference analysis unit, used to conduct a theoretical analysis of the content of the standard, conduct a comparative analysis with applicable mature technical data, and analyze the differences of the content of the standard, wherein the mature technical data includes technical standards, technical specifications and data manuals; A test piece level analysis unit, used to perform a test piece level analysis on the standard based on the difference, and evaluate various technical contents of the standard through multiple dimensions; The product-level analysis unit performs product-level analysis on the standard based on the evaluation results of multiple dimensions to obtain product-level data and determine the applicability of the product-level data.

9. An analysis and verification device for standard airworthiness compliance, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the method for analyzing and verifying standard airworthiness compliance as described in any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method for analyzing and verifying standard airworthiness compliance as claimed in any one of claims 1 to 7 are implemented.

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