Trajectory Planning for Terminal Area Energy Management Phase of Reusable Launch Vehicles

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• 作者：Lingxia Mu^* ; ^** ; ^{lingxiamu@yahoo.com" class="auth_mail" title="E-mail the corresponding author} ; Xiang Yu^** ; ^{xiangyu1110@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; Youmin Zhang^** ; ^{youmin.zhang@concordia.ca" class="auth_mail" title="E-mail the corresponding author} ; Ping Li^* ; ^{liping@lnpu.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Xinmin Wang^* ; ^{wxmin@nwpu.edu.cn" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Reusable launch vehicle (RLV) ; Terminal area energy management (TAEM) ; Trajectory planning ; Kernel extraction protocol (KEP) ; Ground-track path
• 刊名：IFAC-PapersOnLine
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：49
• 期：17
• 页码：462-467
• 全文大小：810 K

文摘

A three-dimensional trajectory planning algorithm is proposed for the terminal area energy management (TAEM) phase of an unpowered reusable launch vehicle (RLV). Firstly, a reference dynamic pressure profile which characterizes the longitudinal motion is conceived on the basis of the maximum dive and maximum glide capabilities. Secondly, a reference ground-track path is developed, which is composed of four flight segments determined by the location, the size, and the turning mode of a heading alignment cone. Then, the RLV motion equations modeled by kernel extraction protocol (KEP) are numerically solved via secant iteration method, according to the knowledge of the pre-designed dynamical pressure profile and the ground-track path. Finally, a down-track correction scheme is designed to correct the down-track position along the runway centerline. Numerical simulations are conducted to illustrate the effectiveness of the proposed trajectory planning algorithm.