Dr. Anton Ivanov, EPFL Space Center (eSpace), Concurrent Design for Space

29 Pages·2015·4.89 MB·English

e
Concurrent Design Facility beyond phase A:
project manager perspective
Dr. Anton B. Ivanov
Adrien Corne
EPFL Space Center (eSpace)
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Outline
• Our setup
• Our projects
• My perspective
- use of CDF tools for programmatic documentation
- use of CDF tools for Validation and Verification activities
- model validation
2
e
“V-Model” of Systems Engineering
Stakeholder

  Systems
 Engineering
  Lifecycle

Analysis Overview Management
Requirements

System

Commissioning

Defini<on
Safety
Opera<ons
System
 Architecture
  Verifica<on
 and

Concept
 Genera<on Valida<on,
 Change
 Mgt
Tradespace
 Explora<on
  System
 Integra<on

Concept
 Selec<on Interface
 Management
Concurrent
 Engineering

Mul<disciplinary
 Op<miza<on
3
e
“V-Model” of Systems Engineering
Stakeholder

  Systems
 Engineering
  Lifecycle

Analysis Overview Management
Requirements

System

Commissioning

Defini<on
Safety
Opera<ons
System
 Architecture
  Verifica<on
 and

Concept
 Genera<on Valida<on,
 Change
 Mgt
Tradespace
 Explora<on
  System
 Integra<on

Concept
 Selec<on Interface
 Management
Concurrent
 Engineering

Mul<disciplinary
 Op<miza<on
3
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CDF at the Space Center
4
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CDF at the Space Center
4
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CDF at the Space Center
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Implementation approach
• In order to prepare an initial design of a system we need
- models that describe behaviour of various components (often these models depend
on one another for parameters)
- databases containing components
- models + databases = system
- all inside J-CDS (now RHEA) CDP infrastructure
‣ now moving towards Open Concurrent Design Tool (OCDT)
• Models
- we have created all models for a small satellite
- models are implemented in an engineering software set
- MATLAB for AOCS, payload analysis
- CATIA or SolidWorks for mechanical properties
- ESATAN/ESARAD for thermal analysis
- AGI STK for mission simulation, power and data budget calculations
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CubETH: GNSS experiments in 1U
Angular norm speed 2009-->2012

• Key science and technological objectives 600 BGDyrOo T2 0O0n9
Gyro post 2011
Rate from audio
500
- Precise Orbit Determination (GPS, GLONASS and Galileo demo)
400
- Experiments: radio occultations, reflectometry, air density g/s
de300
- Satellite structure manufacturing for easy assembly 200
100
- Microelectronics demonstration: ultra low-power AOCS
0
0 200 400 600 800 1000
[days]
- Distributed ground stations for command and download
SwissCube heritage: almost
5 years of operations
Cubesat Overview
Volume 1U (10x10x10cm)
Mass 1.3 kg (per standard,
TBC)
Power 1.7 W (SwissCube)
Project Partners
Data rate 9600 bps
Payload ETHZ, HSLuzern, HSRapperswil
Payload 11 uBlox GNSS receivers
Systems Engineering EPFL
6 antennas
AIT EPFL
Operations Distributed Ground
Stations
Orbit 500km, SSO, 2AM/2PM Industrial partners uBlox, RUAG, Saphyrion, CSEM
Launch 2016 (TBC) Academic partners LEMA, RISD,
6
e
CubETH: GNSS experiments in 1U
Angular norm speed 2009-->2012

• Key science and technological objectives 600 BGDyrOo T2 0O0n9
Gyro post 2011
Rate from audio
500
- Precise Orbit Determination (GPS, GLONASS and Galileo demo)
400
- Experiments: radio occultations, reflectometry, air density g/s
de300
- Satellite structure manufacturing for easy assembly 200
100
- Microelectronics demonstration: ultra low-power AOCS
0
0 200 400 600 800 1000
[days]
- Distributed ground stations for command and download
SwissCube heritage: almost
5 years of operations
Cubesat Overview
Volume 1U (10x10x10cm)
Mass 1.3 kg (per standard,
TBC)
Power 1.7 W (SwissCube)
Project Partners
Data rate 9600 bps
Payload ETHZ, HSLuzern, HSRapperswil
Payload 11 uBlox GNSS receivers
Systems Engineering EPFL
6 antennas
AIT EPFL
Operations Distributed Ground
Stations
Orbit 500km, SSO, 2AM/2PM Industrial partners uBlox, RUAG, Saphyrion, CSEM
Launch 2016 (TBC) Academic partners LEMA, RISD,
6