Research on Maintainability Evaluation Model Based on Fuzzy Theory

Maintainability influencing attributes are analyzed, their weight and value calculating methods are given, and the maintainability fuzzy evaluation method is proposed based on the relative closeness. According to the maintenance task simulation operated in virtual environment, the maintainability virtual evaluation model is built by analyzing the maintenance task for each replaceable unit of product.At last, a case study is given based upon the main landing gear system of a certain type civil aircraft, and the result indicates that the model is suitable for maintainability qualitative evaluation and can support maintainability concurrent design.

作 者： Lu Zhong Sun Youchao   作者單位： Civil Aviation College, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China  刊 名： 中國(guó)航空學(xué)報(bào)（英文版）  ISTIC 英文刊名： CHINESE JOURNAL OF AERONAUTICS  年，卷(期)： 2007 20(5)  分類(lèi)號(hào)： V2  關(guān)鍵詞： maintainability evaluation   multiple criteria decision making   fuzzy theory   virtual maintenance   concurrent design  

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