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Preliminary Guidance and Navigation Design for the Upcoming DLR Reusability Flight Experiment (ReFEx)

Sagliano, Marco and Trigo, Guilherme Fragoso and Schwarz, René (2018) Preliminary Guidance and Navigation Design for the Upcoming DLR Reusability Flight Experiment (ReFEx). 69th International Astronautical Congress, 1-5 Oct 2018, Bremen, Germany.

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The experience of SpaceX’s Falcon 9 and Blue Origin’s New Shepard shows that reusability is becoming an important feature for the sustainability of future space missions. The German Aerospace Center (DLR) is developing the Reusability Flight Experiment (ReFEx), which is scheduled for launch on a Brazilian VSB-30 sounding rocket in 2021. The mission shall enable the development of key technologies necessary for future reusable launch vehicle applications, culminating in their demonstration with a controlled autonomous return flight in a representative regime. This paper presents the proposed architecture for the guidance and the navigation subsystems. We elaborate on the proposed optimal-trajectory based guidance strategy and on the hybrid navigation subsystem. Additionally, we present a study of different sensor configurations and their achievable performances through covariance analysis, and describe the preliminary functional and algorithmic structure of the navigation process as well as the fault detection, isolation, and recovery strategy.

Item URL in elib:https://elib.dlr.de/122044/
Document Type:Conference or Workshop Item (Speech)
Title:Preliminary Guidance and Navigation Design for the Upcoming DLR Reusability Flight Experiment (ReFEx)
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Sagliano, MarcoUNSPECIFIEDhttps://orcid.org/0000-0003-1026-0693UNSPECIFIED
Trigo, Guilherme FragosoUNSPECIFIEDhttps://orcid.org/0000-0001-8173-9592UNSPECIFIED
Schwarz, RenéUNSPECIFIEDhttps://orcid.org/0000-0002-8255-9451UNSPECIFIED
Date:4 October 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Reusable Launch Vehicle, Online Guidance, Adaptive Multivariate Pseudospectral Interpolation, Hybrid Navigation, Sensor Fusion, Fault Detection Isolation and Recovery
Event Title:69th International Astronautical Congress
Event Location:Bremen, Germany
Event Type:international Conference
Event Dates:1-5 Oct 2018
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 ReFEx - Reusability Flight Experiment
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Navigation and Control Systems
Deposited By: Trigo, Guilherme Fragoso
Deposited On:06 Oct 2018 15:36
Last Modified:05 Dec 2018 09:26

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