CN113051747B - Method and device for constructing aircraft reliability data asset model - Google Patents

Method and device for constructing aircraft reliability data asset model Download PDF

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CN113051747B
CN113051747B CN202110296613.4A CN202110296613A CN113051747B CN 113051747 B CN113051747 B CN 113051747B CN 202110296613 A CN202110296613 A CN 202110296613A CN 113051747 B CN113051747 B CN 113051747B
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CN113051747A (en
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陈冬梅
王群勇
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BEIJING SHENGTAOPING TEST ENGINEERING TECHNOLOGY RESEARCH INSTITUTE
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Abstract

The invention provides a method and a device for constructing an aircraft reliability data asset model, comprising the following steps: acquiring an aircraft operation reliability historical original data set; determining a system availability target model based on the aircraft operational reliability historical raw data set; decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model; and optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index. According to the invention, the service object of the aircraft reliability basic data is converted by constructing the asset global model of the aircraft reliability data, the performance data of the equipment is converted into the performance requirement of purchasing the asset, and the decision support relationship among availability, reliability and maintainability is perfected.

Description

Method and device for constructing aircraft reliability data asset model
Technical Field
The invention relates to the technical field of aviation equipment, in particular to a method and a device for constructing an aircraft reliability data asset model.
Background
For the reliability research of the operation of the aircraft, the research and analysis of the indexes of the aircraft or the indexes of each system, each device and even each part are mostly limited in the industry, and the indexes are aimed at the local data of the specific problems, but the global model construction process is not needed, and the local solution is easily limited.
Therefore, a new method for global model construction for aircraft reliability data needs to be proposed, which converts the target object of the aircraft reliability data and seeks an optimal solution.
Disclosure of Invention
The invention provides a method and a device for constructing an aircraft reliability data asset model, which are used for solving the defect that no system reliability asset model exists in the prior art.
In a first aspect, the present invention provides a method for constructing an aircraft reliability data asset model, comprising:
acquiring an aircraft operation reliability historical original data set;
determining a system availability target model based on the aircraft operational reliability historical raw data set;
decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model;
and optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index.
In one embodiment, the determining a system availability target model based on the aircraft operational reliability historical raw data set specifically includes:
determining a final requirement of the aircraft reliability base data service object as a purchase asset based on the PBL concept;
determining a system KPP as task availability;
the system availability goal models include task decisions, assets, information assets, and business assets.
In one embodiment, the task decision includes a function or performance, the asset includes a performance or wellness, the information asset includes a RAM-C, and the business asset includes an AOA code.
In one embodiment, the decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model specifically includes:
the system reliability target model comprises risks, hazards, events, consequences, weak links, hazard sources and hazard modes;
the system maintainability target model includes risk countermeasures, task requirements and controls.
In one embodiment, the risk comprises a functional failure state, the hazard comprises a functional failure mode, the event comprises a functional failure effect, the outcome comprises a functional failure outcome, the weak link comprises FRACAS, the hazard source comprises FTA, and the hazard pattern comprises FMEA;
the risk countermeasure includes a functional failure guard, the TASK requirement includes a TASK, and the control includes a functional failure default.
In one embodiment, the optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index specifically includes:
determining a fault rate by task reliability and determining a repair rate by task maintainability;
obtaining a quantitative model relation between the system reliability target model and the system maintainability target model based on the fault rate and the maintenance rate;
and carrying out optimization solution on the quantitative model relation to obtain the task guarantee key performance index.
In a second aspect, the present invention also provides an aircraft reliability data asset model building apparatus, including:
the acquisition module is used for acquiring an aircraft operation reliability historical original data set;
a determining module for determining a system availability target model based on the aircraft operational reliability historical raw data set;
the decomposition module is used for decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model;
and the optimization module is used for optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index.
In one embodiment, the determining module is specifically configured to:
determining a final requirement of the aircraft reliability base data service object as a purchase asset based on the PBL concept;
determining a system KPP as task availability;
the system availability goal models include task decisions, assets, information assets, and business assets.
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, the processor implementing the steps of the aircraft reliability data asset model building method as described in any one of the above when the program is executed.
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, implements the steps of a method of constructing an aircraft reliability data asset model as described in any of the above.
According to the method and the device for constructing the aircraft reliability data asset model, the service object of the aircraft reliability basic data is converted by constructing the asset global model of the aircraft reliability data, the performance data of the equipment is converted into the performance requirement of purchasing the asset, and the decision support relation among availability, reliability and maintainability is perfected.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow diagram of a method for constructing an aircraft reliability data asset model provided by the invention;
FIG. 2 is a conceptual layer model schematic diagram of decision purposes provided by the present invention;
FIG. 3 is a schematic diagram of the structure of the aircraft reliability data asset model building apparatus provided by the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an aircraft reliability data asset model construction method, which is Based on a PBL (Performance-Based logic, based organization) concept, defines the final requirement of a service object of aircraft reliability basic data as a purchased asset, and determines that the purchased asset is Performance, namely Performance, is a key Performance index KPP (Key Performance Parameter) for ensuring success of a task, is not an aircraft or a system, equipment, parts and the like, is task Availability availabilities, is not a stack of objects, and is the task Availability of an aircraft or a plurality of aircraft clusters, wherein the stack of objects is the capability of completing the task.
FIG. 1 is a schematic flow chart of a method for constructing an aircraft reliability data asset model, as shown in FIG. 1, comprising:
s1, acquiring an aircraft operation reliability historical original data set;
s2, determining a system availability target model based on the aircraft operation reliability historical original data set;
s3, decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model;
and S4, optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index.
Specifically, firstly, an aircraft operation reliability original data set, namely various historical index data of aircraft operation, is obtained, a system Availability target model is definitely formulated based on various historical index data, then two support target models, namely a system reliability target model and a system maintainability target model, are decomposed by the system Availability target model, and task guarantee key performance indexes, namely a task Availability target finally realized, are obtained by carrying out optimization solution on the two decomposed models.
According to the invention, the service object of the aircraft reliability basic data is converted by constructing the asset global model of the aircraft reliability data, the performance data of the equipment is converted into the performance requirement of purchasing the asset, and the decision support relationship among availability, reliability and maintainability is perfected.
Based on the above embodiment, the determining a system availability target model based on the aircraft operational reliability historical raw data set specifically includes:
determining a final requirement of the aircraft reliability base data service object as a purchase asset based on the PBL concept;
determining a system KPP as task availability;
the system availability goal models include task decisions, assets, information assets, and business assets.
Wherein the task decision includes a function or performance, the asset includes a performance or health, the information asset includes RAM-C, and the business asset includes an AOA code.
Specifically, as shown in the conceptual layer model schematic diagram of fig. 2, a conceptual layer model of the technical field of aircraft product reliability basic data is established, a boundary range is defined, and the core total elements are defined as seven core problems of international ATA MSG-3 universal RCM.
The Availability of tasks availabilities may be broken down into task decisions, assets, information assets, and business assets, where task decisions include functions or capabilities (functions), assets include efficacy or health, information assets include RAM-C, and business assets include AOA (Aircraft Operational Availability) encodings.
Here, the asset is the task ultimate performance (effective) or integrity (Readiness), the information asset is the top layer of RAM-C and the unified consistency constraint of each level, and the business asset is the completeness of the AOA coding system.
According to the invention, through aiming functions/performances, decision support points can be found in the conceptual layer model for any particle in any level of any system, so that the performance conversion problem in the field of basic data of the reliability of aircraft products is effectively solved, and an organic life system is formed.
Based on any one of the above embodiments, the decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model specifically includes:
the system reliability target model comprises risks, hazards, events, consequences, weak links, hazard sources and hazard modes;
the system maintainability target model includes risk countermeasures, task requirements and controls.
Wherein the risk includes a functional failure state, the hazard includes a functional failure mode, the event includes a functional failure effect, the outcome includes a functional failure outcome, the weak link includes FRACAS, the hazard source includes FTA, and the hazard mode includes FMEA.
The risk countermeasure includes a functional failure guard, the TASK requirement includes a TASK, and the control includes a functional failure default.
Specifically, in FIG. 2, the system reliability goal model includes risk, hazard, event, outcome, weak link, hazard source, and hazard pattern.
Wherein the risk includes a functional failure state (Function Failure Condition), the hazard includes a functional failure mode (Function Failure Mode), the event includes a functional failure effect (Function Failure Effect), the outcome includes a functional failure outcome (Function Failure Consequence), the weak link includes a FRACAS closed loop vulnerability, the hazard source includes an FTA, and the hazard mode includes an FMEA.
The system maintainability goal model includes risk countermeasures, mission requirements, and controls.
The risk countermeasure includes a functional failure protection (Function Failure Maintenance), and the TASK requirement includes TASK, i.e., a last landing action.
The invention effectively integrates the original independence of the reliability R, the maintainability M and the task availability A, integrates the internal logic relations of the reliability R, the maintainability M and the task availability A into a unified quantitative relation based on KPP, integrates the complicated relation around seven RCM problems which are the most focused by the ATA MSG-3Reliability Centered Maintenance concept, reduces and unifies the seven RCM problems in a limited problem frame diagram, and reduces the communication cost.
Based on any one of the above embodiments, the optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index specifically includes:
determining a fault rate by task reliability and determining a repair rate by task maintainability;
obtaining a quantitative model relation between the system reliability target model and the system maintainability target model based on the fault rate and the maintenance rate;
and carrying out optimization solution on the quantitative model relation to obtain the task guarantee key performance index.
Specifically, the invention is based on the definition of the unavailable time, the task availability A, the reliability R, the maintainability M and the task availability A have the following quantitative model relation:
the fault rate lambda is determined by reliability, the repair rate mu is determined by maintainability, the physical connotation range of the fault rate and the repair rate is unified and solidified, and a complete panoramic context scene is provided.
The invention solidifies the context foundation for the establishment condition of the quantitative model relationship and lays the foundation for establishing an accurate calculation model.
The aircraft reliability data asset model construction device provided by the invention is described below, and the aircraft reliability data asset model construction device described below and the aircraft reliability data asset model construction method described above can be correspondingly referred to each other.
FIG. 3 is a schematic structural diagram of an aircraft reliability data asset model building apparatus provided by the present invention, as shown in FIG. 3, including: the system comprises an acquisition module 31, a determination module 32, a decomposition module 33 and an optimization module 34; wherein:
the acquisition module 31 is used for acquiring an aircraft operation reliability historical original data set; a determination module 32 is configured to determine a system availability target model based on the aircraft operational reliability historical raw data set; the decomposition module 33 is configured to decompose the system availability target model to obtain a system reliability target model and a system maintainability target model; the optimization module 34 is configured to optimize the system reliability target model and the system maintainability target model to obtain a task guarantee key performance index.
According to the invention, the service object of the aircraft reliability basic data is converted by constructing the asset global model of the aircraft reliability data, the performance data of the equipment is converted into the performance requirement of purchasing the asset, and the decision support relationship among availability, reliability and maintainability is perfected.
In one embodiment, the determining module 32 is specifically configured to:
determining a final requirement of the aircraft reliability base data service object as a purchase asset based on the PBL concept;
determining a system KPP as task availability;
the system availability goal models include task decisions, assets, information assets, and business assets.
Fig. 4 illustrates a physical schematic diagram of an electronic device, as shown in fig. 4, which may include: processor 410, communication interface 420, memory 430 and communication bus 440, wherein processor 410, communication interface 420 and memory 430 communicate with each other through communication bus 440. Processor 410 may invoke logic instructions in memory 430 to perform an aircraft reliability data asset model building method comprising: acquiring an aircraft operation reliability historical original data set; determining a system availability target model based on the aircraft operational reliability historical raw data set; decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model; and optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index.
Further, the logic instructions in the memory 430 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-only memory (ROM), a random access memory (RAM, randomAccessMemory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
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 method of constructing an aircraft reliability data asset model provided by the methods described above, the method comprising: acquiring an aircraft operation reliability historical original data set; determining a system availability target model based on the aircraft operational reliability historical raw data set; decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model; and optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index.
In yet another 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, is implemented to perform the above-provided aircraft reliability data asset model building methods, the method comprising: acquiring an aircraft operation reliability historical original data set; determining a system availability target model based on the aircraft operational reliability historical raw data set; decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model; and optimizing the system reliability target model and the system maintainability target model to obtain the task guarantee key performance index.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. A method of constructing an aircraft reliability data asset model, comprising:
acquiring an aircraft operation reliability historical original data set;
determining a system availability target model based on the aircraft operational reliability historical raw data set;
decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model;
optimizing the system reliability target model and the system maintainability target model to obtain a task guarantee key performance index; the method for determining the system availability target model based on the aircraft operation reliability historical original data set specifically comprises the following steps:
determining a final requirement of the aircraft reliability base data service object as a purchase asset based on a logical organization work PBL concept;
determining a key performance index KPP for successful system guarantee task as task availability;
the system availability goal model includes task decisions, assets, information assets, and business assets;
the system reliability target model and the system maintainability target model are obtained by decomposing according to the system availability target model, and the method specifically comprises the following steps:
the system reliability target model comprises risks, hazards, events, consequences, weak links, hazard sources and hazard modes;
the system maintainability target model comprises risk countermeasures, task requirements and control;
the risk comprises a functional failure state, the hazard comprises a functional failure mode, the event comprises a functional failure effect, the result comprises a functional failure result, the weak link comprises a fault reporting, analyzing and correcting measure system FRACAS, the hazard source comprises a fault tree analysis technology FTA, and the hazard mode comprises a fault mode and an influence analysis technology FMEA;
the risk countermeasure includes a functional failure guard, the TASK requirement includes a TASK, and the control includes a functional failure default.
2. The aircraft reliability data asset model construction method of claim 1, wherein the mission decision comprises a function or performance, the asset comprises a performance or integrity, the information asset comprises a RAM-C, and the business asset comprises an AOA code.
3. The method for constructing an aircraft reliability data asset model according to claim 1, wherein optimizing the system reliability target model and the system maintainability target model to obtain the mission-guarantee key performance index specifically comprises:
determining a fault rate by task reliability and determining a repair rate by task maintainability;
obtaining a quantitative model relation between the system reliability target model and the system maintainability target model based on the fault rate and the maintenance rate;
and carrying out optimization solution on the quantitative model relation to obtain the task guarantee key performance index.
4. An aircraft reliability data asset model building apparatus, comprising:
the acquisition module is used for acquiring an aircraft operation reliability historical original data set;
a determining module for determining a system availability target model based on the aircraft operational reliability historical raw data set;
the decomposition module is used for decomposing according to the system availability target model to obtain a system reliability target model and a system maintainability target model;
the optimization module is used for optimizing the system reliability target model and the system maintainability target model to obtain task guarantee key performance indexes;
the determining module is specifically configured to:
determining a final requirement of the aircraft reliability base data service object as a purchase asset based on a logical organization work PBL concept;
determining a key performance index KPP for successful system guarantee task as task availability;
the system availability goal model includes task decisions, assets, information assets, and business assets;
the decomposition module is specifically configured to:
the system reliability target model comprises risks, hazards, events, consequences, weak links, hazard sources and hazard modes;
the system maintainability target model comprises risk countermeasures, task requirements and control;
the risk comprises a functional failure state, the hazard comprises a functional failure mode, the event comprises a functional failure effect, the result comprises a functional failure result, the weak link comprises a fault reporting, analyzing and correcting measure system FRACAS, the hazard source comprises a fault tree analysis technology FTA, and the hazard mode comprises a fault mode and an influence analysis technology FMEA;
the risk countermeasure includes a functional failure guard, the TASK requirement includes a TASK, and the control includes a functional failure default.
5. 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 model construction method of any one of claims 1 to 3.
6. A non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of the aircraft reliability data asset model construction method of any of claims 1 to 3.
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