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�������պ����ѧѧ�� 2004, Vol. 30 Issue (09) :897-900    DOI:
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����λ�ò�����������Weibull���̼� �����Ʒ���
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Three-parameter Weibull process of using position element and point estimation
Xiao Lianghua, Zhao Yu, Huang Min*
Dept. of System Engineering of Engineering Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� In the Weibull process, the peril rate is zero or infinite when time equals zero. In order to solve this problem of fitting in the engineering, the position element was put forward to revise the Weibull process. Iterative fitting, correlation coefficients method and maximum likelihood method were integrated to obtain the estimations of the scale, shape and position elements in the Weibull process. And meanwhile, some relative reliable characteristics were also estimated. An application example shows the estimations of these parameters can satisfied the requirements by using of this method, when repairable system is fitted by three-parameter Weibull process in the engineering.
Keywords�� parameter estimations   Weibull process   reliability evaluation     
Received 2003-06-13;
About author: Ф����(1979-),��,����������,˶ʿ��, xiaolianghua@e\|chinalife.com.
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Ф����, ����, ����.����λ�ò�����������Weibull���̼� �����Ʒ���[J]  �������պ����ѧѧ��, 2004,V30(09): 897-900
Xiao Lianghua, Zhao Yu, Huang Min.Three-parameter Weibull process of using position element and point estimation[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(09): 897-900
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