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Using data fusion of DMARS-R-IMU and GPS data for improving attitude determination accuracy

Ettl, Josef and Schmidt, Alexander and Turner, John and Kim, Don (2016) Using data fusion of DMARS-R-IMU and GPS data for improving attitude determination accuracy. In: 14th International Conference on Space Operations, SpaceOps 2016. SpaceOps 2016 - 14th International Conference on Space Operations, 2016-05-16 - 2016-05-20, Daejion, Korea. doi: 10.2514/6.2016-2637.

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Abstract

The Mobile Rocket Base (MORABA), a division of the Space Operations and Astronaut Training Department of the German Aerospace Center, has developed and flown sounding rocket rate and attitude control systems since 1972. For determining position and attitude, some of the past missions have used a DMARS-R (Digital Miniature Attitude Reference System) roll stabilized platform produced by the Inertial Science Company. The DMARS-R is a high-precision, roll-stabilized IMU (Inertial Measurement Unit) comprising accurate angular rate and acceleration sensors and mounted on a roll-stabilized platform. Standard IMUs are inherently subject to drift in inertial position, velocity and attitude. By the fusion of GPS and with DMARS-R data, one can achieve a long-term drift-corrected IMU enabling for longer duration flight applications, such as satellite launchers, spin stabilized rockets and balloons. The main experiment of the MAIUS mission, initially planned for autumn 2015, requires accurate pointing to the Earth’s gravitational center. The required accuracy will be obtained by the fusion of DMARS-R and GNS data to produce “drift free” attitude data for the cold gas attitude control system of the payload. The attitude correction and control algorithm will be implemented in the DMARS-R processor.

Item URL in elib:https://elib.dlr.de/110597/
Document Type:Conference or Workshop Item (Speech)
Title:Using data fusion of DMARS-R-IMU and GPS data for improving attitude determination accuracy
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Ettl, JosefUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schmidt, AlexanderUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Turner, JohntwigUNSPECIFIEDUNSPECIFIED
Kim, DonUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2016
Journal or Publication Title:14th International Conference on Space Operations, SpaceOps 2016
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI:10.2514/6.2016-2637
Status:Published
Keywords:sounding rocket, inertial navigation,
Event Title:SpaceOps 2016 - 14th International Conference on Space Operations
Event Location:Daejion, Korea
Event Type:international Conference
Event Start Date:16 May 2016
Event End Date:20 May 2016
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Raumflugbetrieb / Missionstechnologie (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > Mobile Rocket Base
Deposited By: Kupka, Doreen
Deposited On:24 Jan 2017 17:37
Last Modified:24 Apr 2024 20:15

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