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�������պ����ѧѧ�� 2007, Vol. 33 Issue (04) :422-426    DOI:
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����, �γ���, ��ƽ, ���ڻ�*
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BTT missile autopilot design based on dynamic inversion
Zhang Yan, Duan Chaoyang, Zhang Ping, Chen Zongji*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� Autopilot design for BTT (bank-to-turn) missile is difficult because of its complex nonlinear characteristics and strict flight states limit by ramjet engine. The non-minimum phase phenomenon was discussed while direct dynamic inversion method was adopted. New BTT missile control system framework was proposed using two-stage idea based on dynamic inversion. The first stage is inner loop design based on dynamic inversion to ensure the performance of attack angle, sideslip-angle and roll rate tracking. Command converters from normal acceleration to attack angle and roll angle to roll rate are the core of the outer loop on the second design stage. They are separately based on neural networks and dynamic inversion for normal acceleration and roll angle command tracking. 6 DOF (degree of freedom) simulation results show the ability of three channels- decoupling control and robustness of the proposed scheme, demonstrating its feasibility in engineering field.
Keywords�� missiles   flight dynamics   nonlinear control   neural networks     
About author: �� ��(1981-),Ů,�ӱ�������,��ʿ��,zhangyan@asee.buaa.edu.cn.
����, �γ���, ��ƽ, ���ڻ�.���ڶ�̬���BTT�����Զ���ʻ�����[J]  �������պ����ѧѧ��, 2007,V33(04): 422-426
Zhang Yan, Duan Chaoyang, Zhang Ping, Chen Zongji.BTT missile autopilot design based on dynamic inversion[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(04): 422-426
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2007/V33/I04/422
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