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The Eu:Cropis Assembly, Integration and Verification Campaigns: Building the first DLR Compact Satellite

Kottmeier, Sebastian and Hobbie, Catherin Fiona and Orlowski-Feldhusen, Fabian and Nohka, Falk and Delovski, Toni and Morfill, Gary and Grillmayer, Lukas and Philpot, Claudia and Müller, Hartmut (2018) The Eu:Cropis Assembly, Integration and Verification Campaigns: Building the first DLR Compact Satellite. In: 69th International Astronautical Congress 2018. International Astronautical Congress IAC 2018, 1.-5. Oct. 2018, Bremen, Germany.

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Abstract

Eu:CROPIS (Euglena Combined Regenerative Organic Food Production In Space) is the first mission of DLR's Compact Satellite program. The Compact Satellite is a small, highly customizable and high performance satellite bus, providing a platform for scientific research as well as for demonstration of innovative concepts in space tech-nology. The launch of Eu:CROPIS onboard a Falcon 9 is scheduled in Q4 2018 within Spaceflight Industries SSO-A mission. The name-giving primary payload features a biological experiment in the context of coupled life support systems. The stability of such kind of a system shall be proven under different gravity levels with a focus on long term operations. In this context the rotation of the spacecraft will be used to utilize simulated gravity for the first time. A further biological experiment dealing with synthetic biology comprising genetically modified organisms (GMOs) was provided by NASA Ames Research Center as secondary payload. The integration and acceptance of a satellite flight model containing biological experiments faces constraints regard-ing schedule, facility certification and process definition. The driving parameters for the Eu:CROPIS AIV campaign are the degradation time of chemicals stored inside the primary payload, the GMOs used in the secondary payload, which cause handling and transport restrictions due to biosafety regulations, as well as schedule constraints due to the chosen dedicated rideshare mission. Furthermore the development of a spin stabilized system for gravity simula-tion had impact on the overall verification approach, especially towards the attitude control subsystem. This paper describes the model and verification strategies to design and build the spacecraft under said constraints. The applied verification processes comprises the hardware, software as well as all third party payloads and focuses on the utilization of a flexible tabletop engineering model approach. To achieve a smooth transition to project phase E, this concept enables co-alignment of the ground segment development and verification with spacecraft AIV as of early phase C. Furthermore scientific projects like Eu:CROPIS, with small project teams and financial budgets, en-counter few personnel redundancy. The existing structural organization gets confronted with challenges where de-pendability, testability and safety of the processes and the product are expected to be achieved with minimal effort. The paper presents how the technical management adapts work flows, cooperation and tools in project phases C and D to achieve a reliable system realization.

Item URL in elib:https://elib.dlr.de/122106/
Document Type:Conference or Workshop Item (Speech)
Title:The Eu:Cropis Assembly, Integration and Verification Campaigns: Building the first DLR Compact Satellite
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kottmeier, SebastianDLR Institute of Space SystemsUNSPECIFIED
Hobbie, Catherin FionaDLR Institute of Space Systemshttps://orcid.org/0000-0002-3612-2785
Orlowski-Feldhusen, FabianDLR Institute of Space SystemsUNSPECIFIED
Nohka, FalkDLR Institute of Space SystemsUNSPECIFIED
Delovski, ToniDLR Institute of Space Systems, System Development and Project Office, Bremen, Germanyhttps://orcid.org/0000-0003-4228-3830
Morfill, GaryDLR Institute of Space Operations and Astronaut TrainingUNSPECIFIED
Grillmayer, LukasDLR Institute of Space Operations and Astronaut TrainingUNSPECIFIED
Philpot, ClaudiaDLR Institute of Space SystemsUNSPECIFIED
Müller, HartmutDLR Institute of Space SystemsUNSPECIFIED
Date:4 September 2018
Journal or Publication Title:69th International Astronautical Congress 2018
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Small Satellite; AIV; Integration; Verification; Processes , BRLSS
Event Title:International Astronautical Congress IAC 2018
Event Location:Bremen, Germany
Event Type:international Conference
Event Dates:1.-5. Oct. 2018
Organizer:International Astronautical Federation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Project eu:cropis
Location: Bremen
Institutes and Institutions:Space Operations and Astronaut Training
Institute of Space Systems > Quality Management
Institute of Space Systems > Avionics Systems
Institute of Space Systems > Systems Engineering and Project Office
Institute of Space Systems > System Analysis Space Segment
Deposited By: Delovski, Toni
Deposited On:09 Oct 2018 12:35
Last Modified:31 Jul 2019 20:20

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