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Algorithm of decision making for avionic device fault diagnosis
Li Jie, Shen Shituan, Sun Baojiang, Qi Yi*
School of Electronics and Information Engineering,Beijing University of Aeronautics and Astronautics, Beijing 100083,China

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Abstract�� The multiple attribute decision making(MADM) algorithm for fault diagnosis expert system was put forward. The influence of diagnosis decision-making on the diagnosis efficiency was analyzed. According to the effect of every attribute on diagnosis decision-making,the attributes′ value was normalized. The linear additive weighting function was used to evaluate every fault priority. The weight value was determined by the preference information on the probability of fault occurrence. The approach of solving evaluation function correction vector was proposed to satisfy the jump characteristics on attribute boundary points. The enhancement of diagnosis efficiency under different conditions for the MADM algorithm proposed was strengthened by experimental analysis.
Keywords�� expert systems   MADM   fault diagnosis     
Received 2006-07-26;
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About author: �� ��(1979-),Ů,����������,��ʿ��, lucy_lj@hotmail.com.
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���, ��ʿ��, �ﱦ��, ����.�����豸��������еľ����㷨[J]  �������պ����ѧѧ��, 2007,V33(06): 677-681
Li Jie, Shen Shituan, Sun Baojiang, Qi Yi.Algorithm of decision making for avionic device fault diagnosis[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(06): 677-681
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