Method of trajectory design and optimization for fast reentry arrival
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(1. School of Systems Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China;2. Research and Development Center, the First Academy of China Aerospace Science and Technology Limited Corporation, Beijing 100076, China)

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V412

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    Abstract:

    A method of trajectory design and optimization for fast reentry arrival was proposed for the applications of large reentry velocity and strictly constrained flight time. The proposed method quickly decreased trajectory inclination and flattened trajectory on the initial reentry stage using large attack-angle, and the attack-angle and bank-angle variation rules on the later reentry stage and glide stage were jointly designed and optimized to significantly decrease terminal velocity and satisfy the constraints of terminal height, terminal heading and maximal dynamic pressure, maximal heat, etc. The proposed method can increase the ability of fast arrival for traditional lifting body vehicle and expand its application. Simulation results demonstrate that the terminal velocity is less than 7Ma and the lateral maneuver capacity is greater than 800 kilometers in the 12 minutes of flight time under the condition of typical vehicle parameter and large reentry velocity.

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ZHUANG Xuebin, ZHANG Yaolei, XIE Zebing, WANG Yulin. Method of trajectory design and optimization for fast reentry arrival[J]. Journal of National University of Defense Technology,2019,41(6):39-43.

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History
  • Received:September 15,2018
  • Revised:
  • Adopted:
  • Online: December 09,2019
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