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WP3 5 - RIT Partner - OHB Sweden - Per Bodin -Product development for ohb sweden’s attitude and orbit control systems

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Per Bodin from OHB Sweden talks about product development for OHB Sweden's Attitude and Orbit Control system and OHB Sweden's design capabilities in propulsion systems, spacecraft systems and AOCS & Sofware. Also, production capabilities e.t.c.

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WP3 5 - RIT Partner - OHB Sweden - Per Bodin -Product development for ohb sweden’s attitude and orbit control systems

  1. 1. SATELLITE SYSTEMS Product Development for OHB Sweden’s Attitude and Orbit Control Systems Space Innovation Forum 4 2017-05-10 SDI040-OSE-PRS-0001
  2. 2. Page 2Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS Outline
  3. 3. Page 3Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS  Company Overview  Product Aspects within Attitude and Orbit Control Subsystems Outline
  4. 4. Page 4Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview OHB Group  European space flight and technology group  Among the to 3 European ”Large System Integrators”  Involved in major European space and infrastructure programmes  One of the most important independent forces in European aviation/aerospace
  5. 5. Page 5Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview OHB Sweden AB  Founded in 2011 by acquisition of the Space Division of the Swedish Space Corporation  Swedish center of competence for space systems and satellites  Currently 70 employees, highly educated and with and average of 12 years experience working with space systems  Self supporting company within the OHB Group
  6. 6. Page 6Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview OHB Sweden AB  Experienced Small Satellite Prime and System Integrator of satellites up to 400 kg  Subsystem supplier to larger satellites  AOCS  Propulsion  Core competence areas  Mission Architecture and Analysis  Spacecraft System Engineering and Integration  AOCS  Propulsion  Check-out and Ground Control Systems
  7. 7. Page 7Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview OHB Sweden Facilities  New facilities in Kista (Stockholm) since beginning of 2014  Development, process and manufacturing area including cleanroom integration and testing capabilities  Cleanroom is ISO class 8, upgradable to class 5  Satellite control centre for in-house developed satellite systems
  8. 8. Page 8Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview Early Scientific Satellites Astrid 2 (1998) Astrid 1 (1995) Freja (1992) Odin (2001) SMART-1 (2003) PRISMA (2010) Astronomy and Earth Observation Lunar Science OHB Sweden Heritage Provider of Complete Satellite Systems Formation Flying Technologies
  9. 9. Page 9Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview Agency Scientific SatellitesTelecom Satellites Swedish National Programme OHB Sweden today provides:  Attitude Control Subsystems  Propulsion Subsystems  Small Satellite Systems within Telecom, Agency and National Programmes
  10. 10. Page 10Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview OHB Sweden Design Capabilities
  11. 11. Page 11Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview OHB Sweden Production Capabilities
  12. 12. Page 12Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS  Small Satellite Systems  InnoSat is organized as a standardized recurring product for Swedish space science  Subsystems (AOCS and Propulsion)  Subsystems dedicated for different satellites in Space Systems  Mission specific designs built around standardized development processes  Space Software  RAMSES EGSE and Mission Control System  Standardized product serving different projects and applications  On-board Software  Contains both mission independent and mission dependent layers  AOCS Software  Co-developed with AOCS subsystems  Long history of Model Based Design and Autocoding of Flight Software  Standardized development procedures Company Overview Product Aspects
  13. 13. Page 13Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Company Overview OHB Sweden Design Capabilities
  14. 14. Page 14Product Development for OHB Sweden’s AOCS Space Innovation Forum 4, 2017-05-10 Product Aspects within Attitude and Orbit Control Subsystems (AOCS) ”How to have a product view when your product never is the same”
  15. 15. Page 15Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS Product Aspects of AOCS Subsystems AOCS Development in a Nutshell AOCS System Engineering and Functional Design • Requirements Analysis • Selection of Sensors and Actuators • Mode and Functional Design • Analysis and design of functionality • Performance simulations AOCS Software Development and Unit Testing • Software requirements engineering • Software development • Unit test development, execution and reporting AOCS Software System Testing • Testing of integrated AOCS software according to operationally representative test scenarios Qualified AOCS Software • AOCS Software qualified to ”meet” the hardware AOCS and Hardware Testing on Test Benches and Satellite • Open and closed loop tests with sensors, actuators and AOCS software together
  16. 16. Page 16Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS  Functionaity Development: Functionaity is different in different projects  Customer influence: Different customers may require different development approaches Product Aspects of AOCS Subsystems Forces working against productization
  17. 17. Page 17Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS  To a large extent mission specific functionality  Different purposes of missions  Different sets of sensors and actuators  Different satellite layout and dynamical properties  Generic ”Plug and Play” covering all needs requires large investments and may still not result in the best technical or practical solution for each specific usecase Commonalities do exist and such functions can be standardized to large extent or be developed to facilitate re- use Product Aspects of AOCS Subsystems Functionality Development Science Mission Telecom Mission Earth Observation Mission Navigation Attitude Estimation Safe Mode Concept Failure Handling
  18. 18. Page 18Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS  Transparency  Customers (e.g. ESA or telecom operators) have direct insight into all development phases – participation in all reviews as well as sometimes daily work  Influence  Can have strong opinions about design solutions, or evidence of how designs fulfill requirements  Person-dependent  Agreements may not be valid if personnel change on customer side ECSS Standards helps to understand the customer expectation but it is not always that straightforward and fulfillment of standards can be a matter of discussion Product Aspects of AOCS Subsystems Customer Impact on Development ECSS European Cooperation for Space Standardization
  19. 19. Page 19Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS Product Aspects of AOCS Subsystems ECSS
  20. 20. Page 20Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS  Invest in Management System  ECSS standards to be interpreted into work procedures/processes  It is necessary to know in advance why and how standards are fulfilled in order to have an argumentation towards the customer  Mission specific designs need to be developed and documented in a way that facilitates re-use and modification  Software Development  Mission independent SW development framework for testing and reporting – can be the same even if contents change  Use of model based design – ”executable specification”  Automate test execution and reporting as much as possible ”Software Factory” applies manufacturing techniques and principles to software development to mimic the benefits of traditional manufacturing Product Aspects of AOCS Subsystems Solution
  21. 21. Page 21Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS Product Aspects of AOCS Subsystems Software Factory Software Mission Specific • Software Specification • Unit Test Cases Software Automatic Coding and Unit Testing Software Subsystem Level Scenario Testing Software Executable Software Models (MATLAB/Simulink) Automatic Documentation • Software Design Document • Test Specifications • Verification and Test Reports • Configuration Document • ... Test Driven Development
  22. 22. Page 22Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS  Large investments required to get everything in place  Work processes  Reusable functions  Automated software development  ...  Can be difficult to justify if you only know the next 1 or 2 projects Tradeoff: ”Do things a bit more expensive now - but with better re-usability” vs ”Do it as fast as possible now – but with larger effort to modify in the next project” Important with a technical roadmap and plan for developing your infrastructure in a controlled way with clear justifications for the investments to be made Product Aspects of AOCS Subsystems How to get there
  23. 23. Page 23Space Innovation Forum 4, 2017-05-10Product Development for OHB Sweden’s AOCS Thanks!

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