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�������պ����ѧѧ�� 2012, Vol. Issue (3) :319-323    DOI:
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High-accuracy quick-reaching sliding mode variable structure terminal guidance law
Song Yuanyun, Chen Wanchun*
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� A variable structure terminal guidance law with adaptive quick-reaching law and a filter approach based on sliding mode observer was developed for short time interception. During the ideal and non-ideal condition with typical target maneuvers, the simulation results demonstrates the higher accuracy, better robustness and easy realized of the designed guidance law by comparing with the conventional proportional navigation, augmented proportional navigation and switched bias proportional navigation. Also the filter approach is shown to be more effective than the extended Kalman filter (EKF) for the colored noise.
Keywords�� guidance law   sliding mode   variable structure   sliding mode observer   Kalman filter     
Received 2011-10-06;
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��Ը�S, ����.�߾��ȿ���������ģ��ṹĩ�˵�������[J]  �������պ����ѧѧ��, 2012,V(3): 319-323
Song Yuanyun, Chen Wanchun.High-accuracy quick-reaching sliding mode variable structure terminal guidance law[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2012,V(3): 319-323
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2012/V/I3/319
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