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�������պ����ѧѧ�� 2002, Vol. 28 Issue (1) :105-108    DOI:
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Structural Function Failure Probability Control Method for Service Life Estimation
LIU Xiao-dong, LIU Wen-ting*
Beijing University of Aeronautics and Astronautics, Dept. of Flight Vehicle Design and Applied Mechanics

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Abstract�� Notions of probability of structural function failure, probability of function failure for one aircraft and probability of function failure for a fleet are presented. Based on the binomial distribution, a calculating model of structural function failure probability for a durability critical component, one aircraft and a fleet is established. It accounts for structural maintenance procedure after a certain service time. An analytical method capable of determining the repair maintenance time and estimating the service life for aircraft structures is developed based on the function failure probability control. A practical aircraft structural service life estimation, as an example, to demonstrate the application of the methodology is given.
Keywords�� airplanes   durability design   service life   failure probability   function failure     
Received 2000-07-11;
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��С��, ����.�ṹʹ�����������Ĺ���ʧЧ���ʿ��Ʒ���[J]  �������պ����ѧѧ��, 2002,V28(1): 105-108
LIU Xiao-dong, LIU Wen-ting.Structural Function Failure Probability Control Method for Service Life Estimation[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2002,V28(1): 105-108
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2002/V28/I1/105
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