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  • 标题:Online Trajectory Reshaping for a Launch Vehicle to Minimize the Final Error Caused by Navigation and Guidance
  • 本地全文:下载
  • 作者:Tessy Thomas ; D. R. Jahagirdar ; Iyyanki V. Murali Krishna
  • 期刊名称:Defence Science Journal
  • 印刷版ISSN:0976-464X
  • 出版年度:2013
  • 卷号:63
  • 期号:3
  • 页码:254-261
  • DOI:10.14429/dsj.63.2414
  • 语种:English
  • 出版社:Defence Scientific Information & Documentation Centre
  • 摘要:Autonomous launch vehicles, once lifted off from the launch pad, equipped with an onboard intelligence which aids in achieving the mission objectives with high accuracy. The accuracy of the mission depends basically on navigation and guidance errors caused at burnout condition, after which the vehicle follows an elliptical path upto impact. The paper describes how to handle the final impact and injection error caused by these navigation and guidance errors. In the current work the initial burnout conditions are tuned and corrected such that the terminal impact point is achieved within the desired tolerance bounds. A two point boundary value problem is solved using the gradient method, for determining the impact errors. The algorithm is validated by simulation studies for various burnout conditions. Defence Science Journal, 2013, 63(3), pp.254 -261 , DOI:http://dx.doi.org/10.14429/dsj. 63.2414
  • 关键词:Trajectory reshaping;launch vehicle;navigation;guidance errors
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