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�������պ����ѧѧ�� 2009, Vol. 35 Issue (12) :1468-1472    DOI:
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����ΰ1, ������2, �� ��3*
1. �������պ����ѧ ��Դ�붯������ѧԺ, ���� 100191;
2. �к���ҵ120��, ������ 150060;
3. �������պ����ѧ ��Դ�붯������ѧԺ, ���� 100191
Selection of reliability parameters and targets assessment for certain missile turbofan engine
Wang Dawei1, Zhang Liming2, Hong Jie3*
1. School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. Factory 120 of AVIC, Haerbin 150060, China;
3. School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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ժҪ ���ݵ������ȷ������Ľṹ��ʹ���ص�,ѡ��ƽ�����ϼ��ʱ��MTBF(Mean Time Between Failure)���𶯿ɿ���RST(Rate of Startup Successfully)��ƽ������ǰ����ʱ��MTTF(Mean Time To Failure)��Ϊ�������ȷ������Ŀɿ��Բ�����ϵ.MTBF�Ƿ�ӳ�����������ɿ��Բ���,����Bayes�����ںϼ�������MTBF����ģ��.RST�Ƿ�ӳ�������𶯿ɿ��Բ���,���û��ڹ������������������𶯿ɿ�������ģ��.MTTF�Ƿ�ӳ����������ɿ��Բ���,�����������ڼ䷢�����ؼ����������ֲ�ģ�ͽ��пɿ�������.ͨ��Ӧ�ñ���:��������ѡ�����,ָ������������Ч,Ϊ�������÷����������ơ�������ʹ�ý׶εĿɿ���ˮƽ�ṩ�˲ο�����.
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Abstract�� Based on the characteristics of structures and employments on missile turbofan engine, mean time between failure(MTBF), rate of startup successfully(RST)and mean time to failure(MTTF)were chosen as the parameters of reliability evaluation. MTBF reflect the basic reliability, and MTBF evaluation model was erected based on Bayes data fusion technology. RST reflect starting reliability, and RST evaluation model was established by dint of fault tree analysis. MTTF embody mission reliability, and MTTF distribution model according to key components during operation founded. These evaluation methods are evaluated by application on certain missile turbofan engine. The parameters are selected effectively, the models are correct, and the conclusions can be used as reference in reliability evaluation during development and employment.
Keywords�� missile turbofan engine   reliability parameter   targets assessment   data fusion     
Received 2008-11-28;
About author: ����ΰ(1975-),��,���������������,��ʿ��,wangdawei@sjp.buaa.edu.cn.
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����ΰ, ������, �� ��.�������ȷ������ɿ��Բ���ѡ����������[J]  �������պ����ѧѧ��, 2009,V35(12): 1468-1472
Wang Dawei, Zhang Liming,Hong Jie, .Selection of reliability parameters and targets assessment for certain missile turbofan engine[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(12): 1468-1472
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