基于關(guān)聯(lián)規(guī)則的船舶制造成本影響因素研究
[Abstract]:With the completion of the deployment of ERP,PLM and other information systems, the shipbuilding enterprises have accumulated a large amount of financial, production, supply chain, customer relationship and other data in the whole life cycle of products while realizing the effective management of the business. Often, these data simply serve as a record of the data, not the hidden value of the data, if the data can be "spoken" to analyze the underlying cost factors in these data, Mining the relationship between the factors not only has guiding significance and practical value for the cost control of shipbuilding enterprises but also can promote the fine management of shipbuilding process. According to the characteristics of discrete data of shipbuilding business and the applicability of association rules method, this paper discusses the association rules and Apriori algorithm, and starts with the process of shipbuilding production organization. Combing the internal and external factors that affect the ship manufacturing cost, analyzing the influence of these factors on the ship manufacturing cost, and selecting ten non-financial factors for the study according to the different reasons. Secondly, an analysis model of influencing factors of shipbuilding cost based on association rules is constructed, including the process of influencing factors analysis, the concept hierarchy tree of influencing factors, and the selection of relevant data. The discretization of data and the principle of Apriori algorithm in association rules are demonstrated by examples. Finally, 134 shipbuilding data, which exclude the unpredictable factors such as material price, labor price, exchange rate, marginal contribution pricing and so on, cost overrun in a shipyard in the past ten years are taken as a sample. Based on the data mining software Weka, this paper establishes the analysis model of the influencing factors of ship manufacturing cost, excavates the factors that affect the ship manufacturing cost, analyzes the correlation between the factors, and explains and analyzes the results by combining with the industry experience. The results are verified by the actual production conditions, and it is proved that the association rules can be applied effectively in the study of the factors affecting the shipbuilding cost. According to the results of mining and the actual situation of production, the paper puts forward some reasonable suggestions on the management of shipbuilding cost, and provides reference for our shipbuilding enterprises to strengthen cost management and control.
【學(xué)位授予單位】:江蘇科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:F426.474;F406.7
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