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Onboard Guidance for Reusable Rockets: Aerodynamic Descent and Powered Landing

Sagliano, Marco and Heidecker, Ansgar and Maces Hernandez, Jose Alfredo and Fari, Stefano and Schlotterer, Markus and Woicke, Svenja and Seelbinder, David and Dumont, Etienne (2021) Onboard Guidance for Reusable Rockets: Aerodynamic Descent and Powered Landing. In: AIAA Scitech 2021 Forum. American Institute of Aeronautics and Astronautics. AIAA SciTech Forum and Exposition 2021, 11-22 January 2021, Virtual Event. doi: 10.2514/6.2021-0862. ISBN 978-162410609-5.

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Official URL: https://arc.aiaa.org/doi/10.2514/6.2021-0862


This paper describes a novel general on-board guidance strategy which can be applied toboth the aerodynamically-controlled descent and the powered landing phase of reusable rockets.The proposed guidance method is based on sequential convex optimization applied to a Cartesianrepresentation of the equations of motion. The contributions are an exploitation of convexand non-convex contributions, which are processed separately to maximize the computationalefficiency of the approach, the inclusion of highly nonlinear terms represented by aerodynamicaccelerations, a complete reformulation of the problem based on the use of Euler angle rates ascontrol means, an improved transcription based on the use of a generalized hp pseudospectralmethod, and a dedicated formulation of the aerodynamic guidance problem for reusable rockets.The problem is solved for a 40 kN-class reusable rocket. Results show that the proposedtechnique is a very effective methodology able to satisfy all the constraints acting on the system,and can be potentially employed online to solve the entire descent phase of reusable rockets inreal-time.

Item URL in elib:https://elib.dlr.de/140559/
Document Type:Conference or Workshop Item (Speech)
Title:Onboard Guidance for Reusable Rockets: Aerodynamic Descent and Powered Landing
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Sagliano, MarcoUNSPECIFIEDhttps://orcid.org/0000-0003-1026-0693UNSPECIFIED
Heidecker, AnsgarUNSPECIFIEDhttps://orcid.org/0000-0002-7483-9074UNSPECIFIED
Maces Hernandez, Jose AlfredoUNSPECIFIEDhttps://orcid.org/0000-0003-4579-6121UNSPECIFIED
Fari, StefanoUNSPECIFIEDhttps://orcid.org/0000-0001-5595-6905UNSPECIFIED
Schlotterer, MarkusUNSPECIFIEDhttps://orcid.org/0000-0002-6565-3622UNSPECIFIED
Woicke, SvenjaUNSPECIFIEDhttps://orcid.org/0000-0002-0864-9977UNSPECIFIED
Dumont, EtienneUNSPECIFIEDhttps://orcid.org/0000-0003-4618-0572UNSPECIFIED
Date:14 January 2021
Journal or Publication Title:AIAA Scitech 2021 Forum
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Publisher:American Institute of Aeronautics and Astronautics
Keywords:Aerodynamic Descent Guidance, Powered Landing Guidance, Convex Optimization, Pseudospectral Methods, CALLISTO, Reusable rockets, sequential convex programming
Event Title:AIAA SciTech Forum and Exposition 2021
Event Location:Virtual Event
Event Type:international Conference
Event Dates:11-22 January 2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transportation
DLR - Research area:Raumfahrt
DLR - Program:R RP - Space Transportation
DLR - Research theme (Project):R - Project CALLISTO [RP]
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Navigation and Control Systems
Institute of Space Systems > Systems Engineering and Project Office
Deposited By: Sagliano, Marco
Deposited On:20 Jan 2021 09:37
Last Modified:29 Mar 2023 00:47

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