CN113051749A - Method and device for decomposing asset metadata of aircraft reliability data - Google Patents
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Abstract
The invention provides a method and a device for decomposing asset metadata of airplane reliability data, wherein the method comprises the following steps: acquiring a historical original data set of the operation reliability of the airplane; respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set; and integrating the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set. The method realizes the aim of data standard consistency by decomposing the airplane reliability data assets into concept layer metadata, logic layer metadata and physical layer metadata and unifying the physical connotations of the three types of data based on the unavailable time coding.
Description
Technical Field
The invention relates to the technical field of aviation equipment, in particular to a method and a device for decomposing asset metadata of airplane reliability data.
Background
In the existing work of analyzing the reliability of the airplane, effective connection among three dimensions of availability, reliability and maintainability cannot be carried out, namely, when quantitative or qualitative analysis is carried out on each attribute, a unified minimum factor decomposition method and a judgment standard of a corresponding base line do not exist.
Therefore, a new minimum-level analysis method for aircraft reliability data is to be proposed.
Disclosure of Invention
The invention provides a method and a device for decomposing asset metadata of airplane reliability data, which are used for overcoming the defects in the prior art.
In a first aspect, the present invention provides an aircraft reliability data asset metadata decomposition method, including:
acquiring a historical original data set of the operation reliability of the airplane;
respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set;
and integrating the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
In one embodiment, the determining the concept layer metadata, the logic layer metadata, and the physical layer metadata of the aircraft operational reliability history raw data set respectively specifically includes:
determining a preset proportion of the availability;
determining the unavailable time in a preset task period based on the preset proportion of the availability, and performing coding classification on the unavailable time according to AOA coding to obtain a reliability classification code and a maintainability classification code;
and comparing the reliability classification code and the maintainability classification code with the availability to obtain a plurality of gaps, sequencing the gaps, and determining to obtain BIST according to a preset judgment threshold value.
In one embodiment, the reliability classification code and the serviceability classification code have a uniform physical property.
In one embodiment, the determining concept layer metadata, logical layer metadata, and physical layer metadata of the aircraft operational reliability history raw data set respectively further includes:
and outputting a decision mechanism logical relation between any mass point and the system, and performing feedback guidance on a preset reliability task set by the decision mechanism logical relation.
In an embodiment, the outputting a decision mechanism logical relationship between any point and a system, and the performing feedback guidance on a preset reliability task set by the decision mechanism logical relationship specifically includes:
respectively evaluating and suggesting system definition, credibility requirement/target definition, credibility requirement distribution and credibility analysis, and judging whether a task requirement or a target is realized;
if the task requirement or the target is achieved, the task is finished, otherwise, the corresponding task node is returned to for executing again.
In a second aspect, the present invention further provides an aircraft reliability data asset metadata decomposition device, including:
the acquisition module is used for acquiring a historical original data set of the operation reliability of the airplane;
the determining module is used for respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set;
and the synthesis module is used for synthesizing the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
In one embodiment, the determining module is specifically configured to:
determining a preset proportion of the availability;
determining the unavailable time in a preset task period based on the preset proportion of the availability, and performing coding classification on the unavailable time according to AOA coding to obtain a reliability classification code and a maintainability classification code;
and comparing the reliability classification code and the maintainability classification code with the availability to obtain a plurality of gaps, sequencing the gaps, and determining to obtain BIST according to a preset judgment threshold value.
In one embodiment, the reliability classification code and the serviceability classification code have a uniform physical property.
In a third aspect, the present invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the steps of the aircraft reliability data asset metadata decomposition method as described in any one of the above.
In a fourth aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the aircraft reliability data asset metadata decomposition method as in any one of the above.
According to the method and the device for decomposing the aircraft reliability data asset metadata, the aircraft reliability data asset is decomposed into concept layer metadata, logic layer metadata and physical layer metadata, and the physical connotations of the three types of data are unified based on the unavailable time codes, so that the aim of data standard consistency is fulfilled.
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In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a method for aircraft reliability data asset metadata decomposition provided by the present invention;
FIG. 2 is a logical layer model of a universal credibility analysis decision mechanism provided by the present invention;
FIG. 3 is a schematic structural diagram of an aircraft reliability data asset metadata decomposition device provided by the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to realize a unified idea, the invention provides a novel method for decomposing the asset metadata of the aircraft reliability data. Metadata as referred to herein is defined as data that describes data, descriptive information about data and information resources. Metadata (Metadata) is data (data about other data) describing other data, or structural data (structured data) for providing information about a certain resource. Metadata is data that describes an object such as an information resource or data, and is used for the purpose of: identifying a resource; evaluating the resources; tracking changes of the resource in the using process; the method realizes simple and efficient management of a large amount of networked data; the information resources are effectively discovered, searched and integrally organized, and the used resources are effectively managed.
FIG. 1 is a schematic flow chart of a method for decomposing aircraft reliability data asset metadata according to the present invention, as shown in FIG. 1, including:
s1, acquiring a historical original data set of the airplane operation reliability;
s2, respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the original data set of the aircraft operation reliability history;
and S3, synthesizing the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
Specifically, an original data set of airplane operation reliability history is obtained, and concept layer metadata, logic layer metadata and physical layer metadata are defined respectively. And the consistency physical connotation among the three types of data based on the unavailable time coding method. Namely: what is a kpp (key Performance parameter) designed? (conceptual layer) design what two ksas (key System attribute) do the design control? (logic layer) design measures how many BIST (built in self test) at a minimum are? (physical layer)
The method realizes the aim of data standard consistency by decomposing the airplane reliability data assets into concept layer metadata, logic layer metadata and physical layer metadata and unifying the physical connotations of the three types of data based on the unavailable time coding.
Based on the above embodiment, step S2 in the method specifically includes:
determining a preset proportion of the availability;
determining the unavailable time in a preset task period based on the preset proportion of the availability, and performing coding classification on the unavailable time according to AOA coding to obtain a reliability classification code and a maintainability classification code;
and comparing the reliability classification code and the maintainability classification code with the availability to obtain a plurality of gaps, sequencing the gaps, and determining to obtain BIST according to a preset judgment threshold value.
Wherein the reliability classification code and the serviceability classification code have a unified physical attribute.
Specifically, the invention relies on aoa (aircraft Operational availability) coding to achieve uniformity of physical consistency.
For example, first, KPP ═ Availability ═ a ═ 0.9999 is defined (this value ranges from 0 to 1, and the present invention is not limited in any way);
determining the unavailable time as T (1-A) in the task period T;
then, uniformly classifying the unavailable time T (1-A) according to the AOA codes, controlling the fault rate and the repair rate in a classified mode, and avoiding the inconsistency of the physical connotation of the data;
and finally, sequencing the difference between the fault rate and the repair rate and the task availability, judging a threshold value according to a preset baseline, and designing BIST (built in self test, real-time monitoring) aiming at the most critical equipment.
Based on any embodiment above, still include:
and outputting a decision mechanism logical relation between any mass point and the system, and performing feedback guidance on a preset reliability task set by the decision mechanism logical relation.
The method specifically comprises the following steps of outputting a decision mechanism logical relationship between any mass point and a system, and performing feedback guidance on a preset reliability task set through the decision mechanism logical relationship:
respectively evaluating and suggesting system definition, credibility requirement/target definition, credibility requirement distribution and credibility analysis, and judging whether a task requirement or a target is realized;
if the task requirement or the target is achieved, the task is finished, otherwise, the corresponding task node is returned to for executing again.
Specifically, the clear credibility decision mechanism provided by the present invention is shown in fig. 2, and requires system definition, credibility requirement/target definition, qualitative/quantitative credibility (quintuplet) data analysis and review, and feedback to guide corresponding tasks such as design, development, acceptance, identification, service, maintenance, scrapping, etc.
When the task starts, the system definition, the credibility requirement/target definition, the credibility requirement distribution and the credibility analysis execution are carried out, the evaluation and the suggestion are carried out, whether the task requirement or the target is realized or not is judged, if the task requirement or the target is realized, the task is ended, otherwise, the task is returned to the corresponding task node for executing again.
Here, for the foregoing embodiments, the differences between the failure rate and the repair rate and the task availability are sorted, and the minimum number of BISTs meeting the baseline requirement is obtained according to the predefined judgment threshold, i.e., the baseline value.
The invention decomposes the airplane reliability data into the minimum information assets based on the metadata and realizes the information uniformity of each layer through the AOA coding.
The following describes the aircraft reliability data asset metadata decomposition device provided by the present invention, and the aircraft reliability data asset metadata decomposition device described below and the aircraft reliability data asset metadata decomposition method described above may be referred to in correspondence with each other.
Fig. 3 is a schematic structural diagram of an aircraft reliability data asset metadata decomposition device provided by the present invention, as shown in fig. 3, including: an acquisition module 31, a determination module 32 and an integration module 33; wherein:
the acquisition module 31 acquires an original data set of the operation reliability history of the airplane; the determining module 32 determines concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability history original data set respectively; the synthesis module 33 is configured to synthesize the concept layer metadata, the logic layer metadata, and the physical layer metadata to obtain a metadata decomposition result set.
The method realizes the aim of data standard consistency by decomposing the airplane reliability data assets into concept layer metadata, logic layer metadata and physical layer metadata and unifying the physical connotations of the three types of data based on the unavailable time coding.
Based on the foregoing embodiment, the determining module 32 is specifically configured to:
determining a preset proportion of the availability;
determining the unavailable time in a preset task period based on the preset proportion of the availability, and performing coding classification on the unavailable time according to AOA coding to obtain a reliability classification code and a maintainability classification code;
and comparing the reliability classification code and the maintainability classification code with the availability to obtain a plurality of gaps, sequencing the gaps, and determining to obtain BIST according to a preset judgment threshold value.
Based on any one of the above embodiments, the reliability classification code and the maintainability classification code have unified physical properties.
Fig. 4 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 4: a processor (processor)410, a communication interface (communication interface)420, a memory (memory)430 and a communication bus 440, wherein the processor 410, the communication interface 420 and the memory 430 are communicated with each other via the communication bus 440. Processor 410 may invoke logic instructions in memory 430 to perform a method of aircraft reliability data asset metadata decomposition comprising: acquiring a historical original data set of the operation reliability of the airplane; respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set; and integrating the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
In addition, the logic instructions in the memory 430 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the aircraft reliability data asset metadata decomposition method provided by the above methods, the method comprising: acquiring a historical original data set of the operation reliability of the airplane; respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set; and integrating the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program that when executed by a processor is implemented to perform the aircraft reliability data asset metadata decomposition methods provided above, the method comprising: acquiring a historical original data set of the operation reliability of the airplane; respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set; and integrating the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An aircraft reliability data asset metadata decomposition method, comprising:
acquiring a historical original data set of the operation reliability of the airplane;
respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set;
and integrating the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
2. The method for decomposing the asset metadata of the reliability data of the airplane according to claim 1, wherein the determining the concept layer metadata, the logic layer metadata and the physical layer metadata of the original data set of the operation reliability history of the airplane respectively comprises:
determining a preset proportion of the availability;
determining the unavailable time in a preset task period based on the preset proportion of the availability, and performing coding classification on the unavailable time according to AOA coding to obtain a reliability classification code and a maintainability classification code;
and comparing the reliability classification code and the maintainability classification code with the availability to obtain a plurality of gaps, sequencing the gaps, and determining to obtain BIST according to a preset judgment threshold value.
3. The aircraft reliability data asset metadata decomposition method of claim 2 wherein said reliability classification code and said serviceability classification code have a uniform physical attribute.
4. The aircraft reliability data asset metadata decomposition method according to claim 2, wherein the determining concept level metadata, logical level metadata and physical level metadata of the aircraft operational reliability history raw data set respectively further comprises:
and outputting a decision mechanism logical relation between any mass point and the system, and performing feedback guidance on a preset reliability task set by the decision mechanism logical relation.
5. The method for decomposing the asset metadata of the aircraft reliability data according to claim 4, wherein the step of outputting the decision mechanism logical relationship between any feature point and a system, and the step of performing feedback guidance on a preset reliability task set by the decision mechanism logical relationship specifically comprises the steps of:
respectively evaluating and suggesting system definition, credibility requirement/target definition, credibility requirement distribution and credibility analysis, and judging whether a task requirement or a target is realized;
if the task requirement or the target is achieved, the task is finished, otherwise, the corresponding task node is returned to for executing again.
6. An aircraft reliability data asset metadata decomposition device, comprising:
the acquisition module is used for acquiring a historical original data set of the operation reliability of the airplane;
the determining module is used for respectively determining concept layer metadata, logic layer metadata and physical layer metadata of the aircraft operation reliability historical original data set;
and the synthesis module is used for synthesizing the concept layer metadata, the logic layer metadata and the physical layer metadata to obtain a metadata decomposition result set.
7. The aircraft reliability data asset metadata decomposition device according to claim 6, wherein the determination module is specifically configured to:
determining a preset proportion of the availability;
determining the unavailable time in a preset task period based on the preset proportion of the availability, and performing coding classification on the unavailable time according to AOA coding to obtain a reliability classification code and a maintainability classification code;
and comparing the reliability classification code and the maintainability classification code with the availability to obtain a plurality of gaps, sequencing the gaps, and determining to obtain BIST according to a preset judgment threshold value.
8. The aircraft reliability data asset metadata decomposition device of claim 7 wherein said reliability classification code and said serviceability classification code have a uniform physical attribute.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the aircraft reliability data asset metadata decomposition method according to any one of claims 1 to 5.
10. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the aircraft reliability data asset metadata decomposition method according to any one of claims 1 to 5.
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