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Mathematical Problems in Engineering
Volume 2013, Article ID 419409, 13 pages
Research Article

A New Concept for Atmospheric Reentry Optimal Guidance: An Inverse Problem Inspired Approach

Aerospace Department, Center of Excellence in Computational Aerospace, Amirkabir University of Technology, P.O. Box 15875/4413, Teheran, Iran

Received 27 July 2012; Revised 29 April 2013; Accepted 21 May 2013

Academic Editor: Fatih Yaman

Copyright © 2013 Davood Abbasi and Mahdi Mortazavi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper presents a new concept for atmospheric reentry online optimal guidance and control using a method called MARE G&C that exploits the different time scale featured by reentry dynamics. The new technique reaches a quasi-analytical solution and simplified computations, even considering both lift-to-drag ratio and aerodynamic roll as control variables; in addition, the paper offers a solution for the challenging path constraints issue, getting inspiration from the inverse problem methodology. The final resulting algorithm seems suitable for onboard predictive guidance, a new need for future space missions.