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�������պ����ѧѧ�� 2007, Vol. 33 Issue (06) :653-657    DOI:
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����1, �����1, ������2*
1. �������պ����ѧ ���տ�ѧ�빤��ѧԺ, ���� 100083;
2. �й�����ƹ����� �����о�Ժ, ���� 100854
Partial-jet-borne flight LQG/LTR robust controller design
Tang Peng1, Zhang Shuguang1, Jiang Zaiming2*
1. School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;
2. The Fourth Academy, China Aerospace Science and Industry Corporation, Beijing 100854, China

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Abstract�� A research was done for the problem of the application of integrated flight/propulsion system of the aircraft using LQG/LTR(linear quadratic gaussian/loop transfer recovery) robust design methodology at the partial-jet-borne flight phase. With flying qualities assessed by bandwidth and Gibson criteria, and the robustness assessed by singularity values, the rule of choosing LQG/LTR design parameters was analyzed, including several influential factors, such as allocation of the attitude and rate command, effects of prefilters, presetting of disturbance level factor and effects of high frequency dynamics on the robustness and flying qualities. The controller design on a test aircraft configuration shows that compromise can be made between flying qualities and robustness by designing LQG/LTR robust controller, if the response type parameter and the disturbance level factor are suitably chosen.
Keywords�� flying qualities   robustness   partial-jet-borne   LQG/LTR     
Received 2006-07-12;
About author: �� ��(1980-),��,������,��ʿ��,tangpeng@buaa.edu.cn.
����, �����, ������.������������LQG/LTR³�����������[J]  �������պ����ѧѧ��, 2007,V33(06): 653-657
Tang Peng, Zhang Shuguang, Jiang Zaiming.Partial-jet-borne flight LQG/LTR robust controller design[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(06): 653-657
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2007/V33/I06/653
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