【摘要】：維修拆裝是虛擬維修訓(xùn)練中的重要組成部分,準(zhǔn)確模擬維修拆裝過(guò)程,對(duì)開(kāi)發(fā)維修訓(xùn)練設(shè)備起著至關(guān)重要的作用,完善的虛擬訓(xùn)練設(shè)備對(duì)系統(tǒng)性的培訓(xùn)維修機(jī)務(wù)人員的拆裝能力有著重要的意義。飛機(jī)維修拆裝過(guò)程涉及零部件繁雜,拆裝資源種類多,以往的維修拆裝過(guò)程模型沒(méi)有對(duì)維修拆裝知識(shí)概念進(jìn)行統(tǒng)一的定義,忽略了知識(shí)的重用與共享,在對(duì)模型進(jìn)行仿真實(shí)現(xiàn)的過(guò)程中對(duì)同一個(gè)概念產(chǎn)生一詞多義或多詞同義的情況,造成不同模型組件之間在進(jìn)行交互操作時(shí)容易產(chǎn)生語(yǔ)義異構(gòu)問(wèn)題。針對(duì)以上問(wèn)題,本文提出構(gòu)建基于語(yǔ)義互操作的維修拆裝過(guò)程模型,該模型能夠使維修拆裝過(guò)程有著統(tǒng)一的語(yǔ)義基礎(chǔ),避免語(yǔ)義歧義的產(chǎn)生。具體工作如下:首先,以航線維修拆裝過(guò)程為研究對(duì)象,依據(jù)飛機(jī)維護(hù)手冊(cè)(AMM),研究維修拆裝過(guò)程,結(jié)合語(yǔ)義互操作概念,分析出基于語(yǔ)義互操作建模的關(guān)鍵問(wèn)題:語(yǔ)義形式化和消除語(yǔ)義異構(gòu)。其次,針對(duì)上述關(guān)鍵問(wèn)題,找出合理的解決方案。第一,針對(duì)語(yǔ)義形式化問(wèn)題,選用本體論技術(shù),確定本體研究領(lǐng)域,分析維修拆裝過(guò)程知識(shí),構(gòu)建維修拆裝過(guò)程領(lǐng)域本體,使維修拆裝過(guò)程中的概念及概念之間關(guān)系有明確的定義,實(shí)現(xiàn)拆裝知識(shí)的共享性與重用性。第二,針對(duì)語(yǔ)義異構(gòu)消除問(wèn)題,在維修拆裝領(lǐng)域本體的基礎(chǔ)上,結(jié)合UML類圖的建模方法,建立基于本體的維修拆裝過(guò)程模型,使模型組件之間在相同的語(yǔ)義基礎(chǔ)之上進(jìn)行交互,從而避免了語(yǔ)義歧義的產(chǎn)生。最后,借助本實(shí)驗(yàn)室開(kāi)發(fā)的3D仿真平臺(tái),提出本體驅(qū)動(dòng)的仿真框架,并以拆裝甚高頻收發(fā)機(jī)為例,對(duì)維修拆裝過(guò)程模型實(shí)例進(jìn)行仿真驗(yàn)證。仿真結(jié)果證明該模型實(shí)現(xiàn)了拆裝知識(shí)的共享性與重用性,避免了模型組件交互操作時(shí)語(yǔ)義歧義問(wèn)題的產(chǎn)生。
[Abstract]:Maintenance disassembly and disassembly is an important part of virtual maintenance training. It plays an important role in developing maintenance training equipment by accurately simulating the process of maintenance disassembly and assembly. Perfect virtual training equipment is of great significance for systematic training of maintenance crew's ability of disassembly and assembly. Aircraft maintenance and disassembly process involves complicated parts and many kinds of disassembly and assembly resources. The former maintenance and disassembly process model does not have a unified definition of the concept of maintenance, disassembly and assembly knowledge, and neglects the reuse and sharing of knowledge. In the process of simulation and implementation of the model, a word polysemy or multi-word synonym is produced for the same concept, which leads to the semantic heterogeneity of different model components when they interact with each other. In view of the above problems, this paper proposes a maintenance and disassembly process model based on semantic interoperability, which can make the maintenance and disassembly process have a unified semantic basis and avoid semantic ambiguity. The specific work is as follows: firstly, taking the course of route maintenance and disassembly as the research object, according to the aircraft maintenance manual (AMM), the paper studies the process of maintenance and disassembly, and combines the concept of semantic interoperability. The key problems of semantic interoperability modeling are analyzed: semantic formalization and elimination of semantic heterogeneity. Secondly, in view of the above key problem, find out the reasonable solution. First, aiming at the problem of semantic formalization, we select ontology technology to determine the domain of ontology research, analyze the knowledge of maintenance and disassembly process, and construct the domain ontology of maintenance and disassembly process. The concept and the relationship between the concepts in the process of maintenance and disassembly are clearly defined to realize the sharing and reuse of the knowledge of disassembly and disassembly. Secondly, aiming at the problem of eliminating semantic heterogeneity, the maintenance and disassembly process model based on UML class diagram is established on the basis of maintenance and disassembly domain ontology, which makes the model components interact with each other on the same semantic basis. In order to avoid semantic ambiguity. Finally, with the help of the 3D simulation platform developed by our laboratory, an ontology-driven simulation framework is proposed, and the example of the VHF transceiver is taken as an example to verify the model of the maintenance and disassembly process. The simulation results show that the model realizes the sharing and reusability of disassembly knowledge and avoids the semantic ambiguity in the interactive operation of model components.
【學(xué)位授予單位】：中國(guó)民航大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：V267;TP391.9

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