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�������պ����ѧѧ�� 2011, Vol. 37 Issue (9) :1151-1155    DOI:
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Modeling and analyzing for testability of hierarchy systembased on multi-signal flow graph model
Lü Xiaoming, Huang Kaoli, Lian Guangyao*
Ordnance Technological Research Institute, Ordnance Engineering College, Shijiazhuang 050003, China

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Abstract�� In order to make analysis for testability of hierarchy system, a testability modeling and analyzing approach were proposed for hierarchy system based on multi-signal flow graph (MSFG). This approach can used MSFG to build hierarchy system-s hierarchy structural mode. Firstly, dependency model was applied to make testability analysis for the top-model. If the hierarchy module can-t be isolated with other modules, the dependency model was used to make testability analysis for the ambiguity again, continuing this process until realizing diagnostic designing of the whole hierarchy system. Finally, by applying the proposed approach in some hierarchy structural amplifier/filter system, the efficiency of this method was verified, and the result shows that this method is efficient, and effective diagnostic strategy can be obtained for the testability analysis of hierarchy system.
Keywords�� modeling for testability   hierarchy system   multi-signal flow graph   dependency diagnosis     
Received 2010-05-13;
About author: ������(1983-),��,�ӱ�������,��ʿ��,lvxiaoming2006@163.com.
������, �ƿ���, ����ҫ.���ڶ��ź���ͼ�ķֲ�ϵͳ�����Խ�ģ�����[J]  �������պ����ѧѧ��, 2011,V37(9): 1151-1155
L�� Xiaoming, Huang Kaoli, Lian Guangyao.Modeling and analyzing for testability of hierarchy systembased on multi-signal flow graph model[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(9): 1151-1155
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