Quality-Oriented Classification of Aircraft Material Based on SVM

Hongxia Cai, Tingting Yu and Chenglong Xia

Mathematical Problems in Engineering, 2014, vol. 2014, 1-12

Abstract:

The existing material classification is proposed to improve the inventory management. However, different materials have the different quality-related attributes, especially in the aircraft industry. In order to reduce the cost without sacrificing the quality, we propose a quality-oriented material classification system considering the material quality character, Quality cost, and Quality influence. Analytic Hierarchy Process helps to make feature selection and classification decision. We use the improved Kraljic Portfolio Matrix to establish the three-dimensional classification model. The aircraft materials can be divided into eight types, including general type, key type, risk type, and leveraged type. Aiming to improve the classification accuracy of various materials, the algorithm of Support Vector Machine is introduced. Finally, we compare the SVM and BP neural network in the application. The results prove that the SVM algorithm is more efficient and accurate and the quality-oriented material classification is valuable.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:273906

DOI: 10.1155/2014/273906

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