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�������պ����ѧѧ�� 2012, Vol. 38 Issue (5) :569-573    DOI:
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Energy management ascent guidance algorithm with multiple constraints
Xu Heng, Chen Wanchun*
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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ժҪ �߳����ٷ���������������Ҫ�������Լ������,��Ժľ��ػ��͹������ػ����Ҫ�������ν�����������.���ڿ����������ٶ�֮��н���ʵ�����������������˼·,�ۺϽ�����̬������������(AEM,Alternate Attitude Control Energy Management)��һ����������(GEM,General Energy Management),�����������������(SEM,Spline Energy Management)�Ƶ�����,����Է���ǰ�������Լ����������������.���������ػ��Ϊ��,ͨ��AEM,GEM��SEM�Ա�,��֤���������������Ƶ������Ŀ�����.
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Abstract�� The ascent guidance for hypersonic vehicle launch mission needs to satisfy multiple constraints. For the solid-powered launch vehicle without burn control, energy management was applied to satisfy the constraints. To achieve the energy management, the basic idea is to control the angle between the thrust and the velocity. Based on the alternate attitude control energy management (AEM) and the general energy management (GEM), the spline energy management (SEM) guidance was proposed, and modified for the constraint that the attitude angle should be constant before separation. A three-stage launch vehicle example was demonstrated. Comparing the AEM, GEM and SEM simulation results, the feasibility of the SEM guidance is verified.
Keywords�� hypersonic vehicle   launch vehicle   multiple constraints   energy management   ascent guidance     
Received 2011-01-26;
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Xu Heng, Chen Wanchun.Energy management ascent guidance algorithm with multiple constraints[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2012,V38(5): 569-573
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2012/V38/I5/569
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