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Overview of Flight Guidance, Navigation, and Control for the DLR Reusability Flight Experiment (ReFEx)

Schwarz, René and Kiehn, Daniel and Trigo, Guilherme Fragoso and Razgus, Bronislovas and Wenzel, Andreas and Seelbinder, David and Sommer, Jan and Theil, Stephan and Markgraf, Markus and Dumke, Michael and Reigenborn, Martin and Bestard Körner, Matias and Solari, Marco and Braun, Benjamin and Pfau, Dennis (2019) Overview of Flight Guidance, Navigation, and Control for the DLR Reusability Flight Experiment (ReFEx). In: 8th European Conference for Aeronauticas and Space Sciences (EUCASS). 8th European Conference for Aeronautics and Space Sciences (EUCASS), 1-4 July 2019, Madrid, Spain. DOI: 10.13009/EUCASS2019-739

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Abstract

This paper gives an overview of the proposed GNC architecture for DLR's Reusability Flight Experiment (ReFEx), which is split into two main subsystems: The Guidance and Control (G&C) subsystem, which determines the desired trajectory from the current flight state to a designated target and issues the necessary commands to the actuators (canards and rudder, as well as a reaction control system for flight phases outside the atmosphere) by calculating the necessary forces and torques based on the required changes of velocity and attitude for following this trajectory; the Hybrid Navigation System (HNS), which is responsible for estimating position, velocity, attitude, angular rates, and other parameters of the flight state. It does so by real-time fusion of measurements of inertial sensors (accelerometers and gyroscopes) with the measurements of GNSS receivers, Sun sensors, laser and radar altimeters. The requirements and boundary conditions set by the mission, the current design baseline for both subsystems, the stability analyses for flight control, the basic guidance strategy chosen as well as the navigation performance assessment through covariance analysis are described and discussed.

Item URL in elib:https://elib.dlr.de/129086/
Document Type:Conference or Workshop Item (Lecture)
Title:Overview of Flight Guidance, Navigation, and Control for the DLR Reusability Flight Experiment (ReFEx)
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schwarz, Renérene.schwarz (at) dlr.dehttps://orcid.org/0000-0002-8255-9451
Kiehn, DanielDaniel.Kiehn (at) dlr.dehttps://orcid.org/0000-0001-7383-0740
Trigo, Guilherme Fragosoguilherme.trigo (at) dlr.dehttps://orcid.org/0000-0001-8173-9592
Razgus, BronislovasBronislovas.Razgus (at) dlr.deUNSPECIFIED
Wenzel, AndreasAndreas.Wenzel (at) dlr.dehttps://orcid.org/0000-0002-4370-1291
Seelbinder, Daviddavid.seelbinder (at) dlr.dehttps://orcid.org/0000-0003-4080-3169
Sommer, JanJan.Sommer (at) dlr.dehttps://orcid.org/0000-0003-2815-0337
Theil, StephanStephan.Theil (at) dlr.dehttps://orcid.org/0000-0002-5346-8091
Markgraf, MarkusMarkus.Markgraf (at) dlr.deUNSPECIFIED
Dumke, MichaelMichael.Dumke (at) dlr.dehttps://orcid.org/0000-0002-5587-7884
Reigenborn, MartinMartin.Reigenborn (at) dlr.deUNSPECIFIED
Bestard Körner, MatiasMatias.Koerner (at) dlr.deUNSPECIFIED
Solari, MarcoMarco.Solari (at) dlr.deUNSPECIFIED
Braun, Benjaminbenjamin.braun (at) dlr.dehttps://orcid.org/0000-0002-0193-6607
Pfau, DennisDennis.Pfau (at) dlr.deUNSPECIFIED
Date:July 2019
Journal or Publication Title:8th European Conference for Aeronauticas and Space Sciences (EUCASS)
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.13009/EUCASS2019-739
Status:Published
Keywords:ReFEx; Guidance, Navigation, and Control; Hybrid Navigation; Reusable Launch Vehicles; Stability Analysis; Controller Design; Guidance Strategy; Mission Vehicle Management; Time Synchronization; Flight Safety
Event Title:8th European Conference for Aeronautics and Space Sciences (EUCASS)
Event Location:Madrid, Spain
Event Type:international Conference
Event Dates:1-4 July 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):Re-usability Flight Experiment (ReFEx)
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Navigation and Control Systems
Institute of Flight Systems > Flight Dynamics and Simulation
Institut of Simulation and Software Technology > Software for Space Systems and Interactive Visualisation
Space Operations and Astronaut Training > Space Flight Technology
Deposited By: Schwarz, M.Eng. René
Deposited On:11 Sep 2019 08:40
Last Modified:29 Oct 2019 14:05

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