本文選題：復(fù)雜系統(tǒng) + 四性�。� 參考：《南京航空航天大學(xué)》2015年碩士論文

【摘要】：隨著科學(xué)技術(shù)快速發(fā)展,高可靠、好維修、易測試、保安全他已成為民用飛機(jī)研制、生產(chǎn)和使用中的普遍要求。然而,現(xiàn)有的四性設(shè)計(jì)技術(shù)之間是割裂和相互孤立的,造成工程實(shí)際中提出了大量重復(fù)的設(shè)計(jì)要求,且要求不統(tǒng)一,給系統(tǒng)設(shè)計(jì)增加了很多重復(fù)工作,而且相互獨(dú)立開展的四性工作得出的數(shù)據(jù)不能很好的相互協(xié)調(diào)和支持,優(yōu)化、整合、綜合權(quán)衡困難,難于滿足型號研制對功能、性能設(shè)計(jì)評價(jià)的需要。對四性工作關(guān)聯(lián)關(guān)系和四性技術(shù)參數(shù)進(jìn)行研究。首先對可靠性、安全性、維修性、測試性的工作項(xiàng)目、輸入輸出情況進(jìn)行分析,得出可靠性、安全性、測試性、維修性之間的異同點(diǎn)。其次,梳理可靠性、安全性、維修性、測試性的基本參數(shù),并根據(jù)參數(shù)的選取給出數(shù)據(jù)的傳遞關(guān)系。其中,可靠性以工作項(xiàng)目為基礎(chǔ),通過梳理工作項(xiàng)目之間的關(guān)系給出可靠性參數(shù)的選取及數(shù)據(jù)傳遞關(guān)系;安全性以安全性評估作為主要的評估方法,以故障率作為基本參數(shù),梳理相關(guān)的安全性參數(shù)及數(shù)據(jù)傳遞關(guān)系;維修性以常用的參數(shù)作為選取對象,梳理維修性內(nèi)部的數(shù)據(jù)傳遞關(guān)系以及與可靠性和測試性之間的數(shù)據(jù)傳遞關(guān)系;測試性參數(shù)的選取以要反映對裝備故障或異常的可測試和易測試能力為目的,通過所選取的參數(shù)梳理了相關(guān)參數(shù)間數(shù)據(jù)傳遞關(guān)系。建立復(fù)雜系統(tǒng)的四性一體化模型和最優(yōu)方案尋找算法。通過對問題的深入研究,引入了可行性的概念,建立了四性一體化模型,解決了現(xiàn)有技術(shù)中存在四性無法綜合權(quán)衡、多種設(shè)計(jì)方案選取難的問題,最終尋得的最優(yōu)設(shè)計(jì)方案使整個(gè)復(fù)雜系統(tǒng)同時(shí)具備可靠性高、維修性好、測試性高和安全性高等優(yōu)點(diǎn)。建立復(fù)雜系統(tǒng)的四性綜合評估模型和評價(jià)方法�；谇懊嫒碌姆治�,將可靠性、維修性、測試性和安全性等四性評估引入評估體系,從而建立了完整的四性一體化綜合評估模型,利用有色Petri網(wǎng)的強(qiáng)大描述能力,將復(fù)雜系統(tǒng)的四性狀態(tài)分為三類,同時(shí)給這三類狀態(tài)進(jìn)行分別染色。最終,完成整個(gè)四性一體化綜合評估工作。提出的復(fù)雜系統(tǒng)四性建模與評價(jià)方法可以實(shí)時(shí)了解系統(tǒng)所處的四性狀態(tài),完成了對整個(gè)系統(tǒng)進(jìn)行綜合權(quán)衡設(shè)計(jì)與評估的工作,提高了系統(tǒng)評估的準(zhǔn)確性和實(shí)時(shí)性。
[Abstract]:With the rapid development of science and technology, high reliability, good maintenance, easy testing and safety, he has become a common requirement in the development, production and use of civil aircraft. However, the existing four-sex design techniques are fragmented and isolated each other, resulting in a large number of repeated design requirements in engineering practice, and the requirements are not uniform, adding a lot of repetitive work to the system design. Moreover, the data obtained from the four-sex work which is independent of each other can not coordinate and support each other well. It is difficult to optimize, integrate and weigh the difficulties. It is difficult to meet the needs of the functional and performance design evaluation of the model development. The relationship and technical parameters of four sex work were studied. First of all, the reliability, safety, maintainability, testability of the work items, input and output analysis, the reliability, security, testability, maintainability of the similarities and differences between. Secondly, the basic parameters of reliability, safety, maintainability and testability are combed, and the data transfer relations are given according to the selection of parameters. Among them, reliability is based on work items, through combing the relationship between work items, the selection of reliability parameters and data transfer relationship are given, and the safety evaluation is the main evaluation method, and the failure rate is the basic parameter. The maintainability chooses the commonly used parameters as the selection object, combs the data transfer relations within the maintainability and the data transfer relations with reliability and testability. In order to reflect the testability and testability of equipment faults or anomalies, the data transfer relationship between the selected parameters is combed out through the selection of testability parameters for the purpose of reflecting the testability and testability of equipment faults or anomalies. The four-sex integration model and the optimal scheme searching algorithm for complex systems are established. Through the in-depth study of the problem, the concept of feasibility is introduced, and the four-sex integration model is established, which solves the problem that the four properties cannot be comprehensively weighed in the existing technology, and many design schemes are difficult to select. The optimal design scheme obtained finally makes the whole complex system have the advantages of high reliability, good maintainability, high testability and high security at the same time. The four-sex comprehensive evaluation model and evaluation method of complex system are established. Based on the analysis of the previous three chapters, the reliability, maintainability, testability and safety are introduced into the evaluation system, and a complete integrated comprehensive evaluation model of four properties is established, which utilizes the powerful description ability of colored Petri nets. The four trait states of the complex system were divided into three groups, and the three kinds of states were dyed separately at the same time. Finally, the four-sex integration comprehensive evaluation work is completed. The proposed four-property modeling and evaluation method for complex systems can understand the four states of the system in real time, and complete the design and evaluation of the whole system, and improve the accuracy and real-time performance of the system evaluation.
【學(xué)位授予單位】：南京航空航天大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：V221

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