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�������պ����ѧѧ�� 2002, Vol. 28 Issue (5) :550-554    DOI:
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New Fault Detection Structure and Algorithm Based on Federated Filter
LIU Zhun, CHEN Zhe*
Beijing University of Aeronautics and Astronautics, School of Automation Science and Electrical Engineering

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Abstract�� Based on federated Kalman filter, a new fault detection structure and algorithm was presented. The structure performs fault detection with the common states of local filters and reference filter. Chi-square test and Elman neural network test algorithm were presented. As an application, comparisons for these algorithms are simple and reliable, these algorithms can detect the errors for both sensors and reference system, and have excellent fault tolerance performances, fast fault identifying and isolating ability.
Keywords�� fault detection   filter   neural networks   integral navigation     
Received 2001-01-16;
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��׼, ����.���������˲��������͹��� ���ṹ���㷨[J]  �������պ����ѧѧ��, 2002,V28(5): 550-554
LIU Zhun, CHEN Zhe.New Fault Detection Structure and Algorithm Based on Federated Filter[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2002,V28(5): 550-554
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2002/V28/I5/550
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