【摘要】：在現(xiàn)實世界中，無論是宏觀還是微觀都存在著大量的復雜網(wǎng)絡(luò)系統(tǒng)，復雜網(wǎng)絡(luò)理論的興起，更是引起了眾多學者對大規(guī)模復雜系統(tǒng)的研究和關(guān)注。目前有關(guān)于復雜系統(tǒng)建模、網(wǎng)絡(luò)特性刻畫和理解的研究工作非常活躍。本文在綜述國內(nèi)外相關(guān)研究的基礎(chǔ)上，結(jié)合復雜網(wǎng)絡(luò)理論在復雜系統(tǒng)評價上的優(yōu)勢，運用統(tǒng)計物理，圖論，運籌學及計算機模擬等方法，將實際網(wǎng)絡(luò)特性與復雜網(wǎng)絡(luò)理論進行關(guān)聯(lián)，建立復雜產(chǎn)品制造過程網(wǎng)絡(luò)演化模型。從復雜網(wǎng)絡(luò)演化模型特征提取驗證與節(jié)點重要度分析兩個方面對復雜產(chǎn)品制造過程網(wǎng)絡(luò)進行了相關(guān)的分析與研究。重點研究了典型復雜機電產(chǎn)品制造過程演化網(wǎng)絡(luò)的微觀特性，如資源節(jié)點服務(wù)質(zhì)量，負載特性及演化過程中的結(jié)構(gòu)變化等行為。本論文的主要內(nèi)容如下： 1）基于復雜網(wǎng)絡(luò)理論構(gòu)建了復雜產(chǎn)品制造過程動態(tài)演化模型。將系統(tǒng)中的各設(shè)備資源定義為網(wǎng)絡(luò)中的節(jié)點，資源之間的合作關(guān)系定義為邊，同時加入各資源承擔的任務(wù)負載，根據(jù)任務(wù)的動態(tài)到達和退出所引起網(wǎng)絡(luò)規(guī)模變化，建立產(chǎn)品制造過程加權(quán)演化網(wǎng)絡(luò)模型。 2）結(jié)合復雜產(chǎn)品制造過程的典型特點構(gòu)建三種演化機制，基于以上三種機制，建立復雜產(chǎn)品制造過程加權(quán)動態(tài)演化模型，對模型的網(wǎng)絡(luò)特性加以分析驗證，，與實際情況進行比對，證明了模型的合理性和有效性，并得出一些有意義的結(jié)論。 3）基于所建立的模型，結(jié)合復雜機電產(chǎn)品制造過程實例，從網(wǎng)絡(luò)節(jié)點拓撲位置差異與節(jié)點自身所具備的關(guān)鍵屬性兩方面給出資源節(jié)點重要度評價指標體系，提出了一種基于熵權(quán)—模糊綜合評價方法的產(chǎn)品制造過程資源節(jié)點重要度評估方法。結(jié)果表明該方法能有效地發(fā)掘復雜產(chǎn)品制造過程中的重要資源節(jié)點。 4）總結(jié)全文，提出了一些可以做進一步研究的有意義的的工作。
[Abstract]:In the real world, there are a large number of complex network systems both macroscopically and microscopically. The rise of complex network theory has aroused many scholars' research and attention to large-scale complex systems. At present, researches on modeling, network characterization and understanding of complex systems are very active. On the basis of summarizing the related research at home and abroad and combining the advantages of complex network theory in the evaluation of complex systems, this paper applies the methods of statistical physics, graph theory, operational research and computer simulation, etc. The network evolution model of complex product manufacturing process is established by associating the real network characteristics with the complex network theory. This paper analyzes and studies the complex product manufacturing process network from two aspects: feature extraction and verification of complex network evolution model and node importance analysis. The microcosmic characteristics of the evolution network of typical complex electromechanical products manufacturing process, such as service quality of resource nodes, load characteristics and structural changes in the evolution process, are studied in detail. The main contents of this thesis are as follows: 1) the dynamic evolution model of complex product manufacturing process is constructed based on complex network theory. Each device resource in the system is defined as the node in the network, and the cooperative relationship between the resources is defined as the edge. At the same time, the task load of each resource is added, and the network scale changes according to the dynamic arrival and exit of the task. A weighted evolutionary network model of product manufacturing process is established. 2) combining the typical characteristics of complex product manufacturing process, three evolution mechanisms are constructed. Based on the above three mechanisms, the weighted dynamic evolution model of complex product manufacturing process is established, and the network characteristics of the model are analyzed and verified. Compared with the actual situation, the rationality and validity of the model are proved, and some meaningful conclusions are drawn. 3) based on the established model and an example of manufacturing process of complex electromechanical products, the evaluation index system of resource node importance is given from two aspects: the difference of network node topology location and the key attributes of node itself. This paper presents an evaluation method of resource node importance in product manufacturing process based on entropy weight fuzzy comprehensive evaluation method. The results show that this method can effectively discover the important resource nodes in the manufacturing process of complex products. 4) summing up the full text and putting forward some meaningful work which can be further studied.
【學位授予單位】：新疆大學
【學位級別】：碩士
【學位授予年份】：2012
【分類號】：TH166

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