Print Email Facebook Twitter Optimal drag-energy entry guidance via pseudospectral convex optimization Title Optimal drag-energy entry guidance via pseudospectral convex optimization Author Sagliano, Marco (Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)) Mooij, E. (TU Delft Astrodynamics & Space Missions) Date 2018 Abstract In this paper a new drag-energy scheme, based on the use of pseudospectral methods and convex optimization, is proposed. One of the most successful technologies to deal with atmospheric entry is the class of drag-tracking schemes, a direct heritage of the Space Shuttle program. The method that we propose exploits the drag-dynamics, and allows for an effcient automatic design of an optimal entry profile satisfying all the longitudinal constraints acting on the vehicle. A new representation of the entry-guidance problem, able to loss-less convexify the formulation, is provided. Numerical simulations confirm the validity of the proposed scheme as tool for further improving the autonomy of modern entry guidance systems, with a mean final range-to-go error in the order of three hundred meters, and the capability to re-compute a complete constrained trajectory to meet the mission requirements. To reference this document use: http://resolver.tudelft.nl/uuid:5c8e3c88-d323-4785-9af1-5b4e633cc7d2 DOI https://doi.org/10.2514/6.2018-1315 Publisher American Institute of Aeronautics and Astronautics Inc. (AIAA) Embargo date 2019-02-01 ISBN 9781624105265 Source AIAA Guidance, Navigation, and Control (210039) Event AIAA Guidance, Navigation, and Control Conference, 2018, 2018-01-08 → 2018-01-12, Kissimmee, United States Part of collection Institutional Repository Document type conference paper Rights © 2018 Marco Sagliano, E. Mooij Files PDF Optimal_Drag_Energy_Entry ... zation.pdf 1.23 MB Close viewer /islandora/object/uuid:5c8e3c88-d323-4785-9af1-5b4e633cc7d2/datastream/OBJ/view