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�������պ����ѧѧ�� 2007, Vol. 33 Issue (03) :354-356    DOI:
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Mean time to repair modeling oriented uni-mission for weapon system
Bi Jun, Wang Shaoping, Shi Jian*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ ƽ���޸�ʱ��(MTTR,Mean Time To Repair)��Ϊһ����Ҫ��ά���Զ���ָ��,Ŀǰ��Ԥ�Ʒ������㷨�����ڴ������������;������.ͨ��������—װ��—ά����ɵ���������Ķ���ģ�͵��о�,��������������ϵͳ�Ŀɿ��Լ�ά�����ۺϿ���,��Թ����ʺ��޸��ʾ�����ָ���ֲ��Ŀ���ϵͳ,������һ�ֻ���M/G/1�����Ŷ�ģ�͵�����ϵͳMTTR��ģ��,�������˶���Ԥ�Ʒ���.��ģ�ͷ��ϻ��ڿɿ��Ի����ϵ�ά�����۵Ļ�������,��������Ƴ��ڶԴ���ά��ͳ�����ݵ�����,Ϊ��������װ���ɹ������ά���Զ�����Ҫ���ṩ������.
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Abstract�� As an important quantificational index for maintainability, the predication method and algorithm of mean time to repair (MTTR) are always dependent on experimentation and experience. Through the queue research of mission-furnishment-maintenance oriented to uni-mission, the MTTR model was to be established based on M/G/1 for repairable system which aim at the failure rate and repairable rate subjected to exponential rule, considering the mission requirement, reliability and maintainability. The corresponding quantitative method was also given. This model adhere to the basic conclusion which is drawn from maintainability theory based on reliability, and prevent from depending on a large quantity of statistical data at the beginning of design stage. The model and prediction method of MTTR can provide the quantitative maintainability index for purchaser on the condition of purchasing the weapon system.
Keywords�� mean time to repair (MTTR)   M/G/1 repairable queuing system   maintainability     
Received 2006-04-07;
About author: �� ��(1971-),��,���Ϸ�����,˶ʿ��,bijun868@sina.com.
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�Ͼ�, ����Ƽ, ʯ��.��������ĵ�����ϵͳƽ���޸�ʱ��ģ��[J]  �������պ����ѧѧ��, 2007,V33(03): 354-356
Bi Jun, Wang Shaoping, Shi Jian.Mean time to repair modeling oriented uni-mission for weapon system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(03): 354-356
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