The Advanced Data Handling Architecture (ADHA) program aims to deliver a new generation of Platform and Payload Data Handling units by 2025, utilizing standardized, interoperable modules from various suppliers. The program targets significant improvements in spacecraft development time, cost efficiency, and technology adoption speed. ADHA units concept includes backplane, power modules, peripheral slots, system controllers, and various other modules for enhanced functionality. The development phases of the ADHA program are outlined, emphasizing the importance of meeting ESA Technology Development Targets and contributing to space debris mitigation.

• Data Handling
• ADHA Program
• Space Technology
• ESA
• Interoperability

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Advanced Data Handling Architecture (ADHA): Status, Current Activities and Industrial Road Map

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1. Advanced Data Handling Architecture (ADHA): Status, Current Activities and Industrial Road Map Olivier Mourra , Kostas Marinis , Felix Siegle , Hadrien Carbonnier David Steenari , Laurent Hili , Leo Farhat Dario Pascucci , Julian Bozler European Space Agency, Noordwijk, Netherlands Thales Alenia Space, Italy Airbus Defence and Space, Germany 03/10/2023 1 ESA UNCLASSIFIED For ESA Official Use Only

2. ADHA Objectives The aim of the ADHA program is to deliver in 2025 a new generation of Platform and Payload Data Handling units, based on standardized, inter-operable and inter- changeable modules from multiple suppliers (incl. SMEs and multiple sourcing) that can be integrated in ADHA units by different ADHA unit integrators. 2 2

3. ADHA Objectives The need for module standardization (to meet the ESA Technology Development Targets) associated to new technologies (multicore processors, ML/AI, COTS, etc.) will make ADHA a disruptive approach to obtain in a few years highly integrated and scalable units ready to fly (TRL 6). TARGET 1 30% improvement of spacecraft development time TARGET 2 One order of magnitude improvement of cost efficiency with every generation TARGET 3 TARGET 4 30% faster development and adoption of innovative technology Inverting Europe s contribution to space debris ESA Technology Development Targets 3 3

4. ADHA Units Concept ADHA backplane Power Module DC/DC Slot #0 Peripheral Slot #1 Peripheral Slot #2 Peripheral Slot #3 Peripheral Slot #4 System Controller Slot #5 System Controller Slot #6 Extended Peripheral Slot #7 Extended Peripheral Slot #8 Peripheral Slot #9 Peripheral Slot #10 Peripheral Slot #11 Peripheral Slot #12 ADHA backplane Backplane definition Power Module DC/DC Slot #0 Peripheral Slot #1 Peripheral Slot #2 Peripheral Slot #3 Peripheral Slot #4 System Controller Slot #5 System Controller Slot #6 Extended Peripheral Slot #7 Extended Peripheral Slot #8 Peripheral Slot #9 Peripheral Slot #10 Peripheral Slot #11 Peripheral Slot #12 Modules Power Module DC/DC RTU I/O 2 FCGs Module RTU I/O 2 FCGs Module ICU ICU Processing Module N Processing Module R FEE controller Module_N controller Module_R SSMM N SSMM R MM ext MM ext FEE 4 4

5. 8 OF THE ADHA PROGRAM DEVELOPMENT PHASES 5 5

6. 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units 6 6

7. 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units 7 7

8. 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT ESA TOP requirements (based on Copernicus Expansion) ADHA SRD GOIRD - PA requirements & ECSS tailoring 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 8 8

9. 2 parallel Contracts with 2 consortium (ADHA-2 studies) 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT SRR 2023 / PDR 2023 successful ADHA Docs available on the ADHA Website 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 9 9 Link website

10. Components, Building Blocks & Reference Designs - 3 activities about Cpci ss backplane connector - 3 activities about HPDP processor (Quad breadboard, vision-based exploration, ML deployment on HPDP) 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units 10 10

11. Activities related to Development of Modules: 2 Power Modules PF OBC Modules I/O Prop AOCS Modules ICU (GR740) Module HiperPro Module GNSS Module ADHA 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units 11 11

12. 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units ADHA Unit Design - ADHA-2 studies: Preliminary mechanical Desing ADHA-U1 unit - 1 activity about Thermal / Mechanical / EMC Unit property characterisation - 2 activities about 3U/6U Units (RIU) development ADHA 12 12 Model-Based Systems Engineering (MBSE)

13. Development the ESA ADHA Facility to benchmark E2E OBDP chains ADHA Development of scalable & modular EGSEs EGSE 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units 13 13

14. 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units New Methodologies to ease unit qualification with already qualified modules 14 14

15. 8 OF THE ADHA PROGRAM DEVELOPMENT PHASES 1 ADHA Units Requirements 3 ADHA EM Modules Development 5 3U/6U EM Units AIT 7 IOD & Flight Opportunities 8 LL / Products Improvements 2 ADHA Modules Requirements 4 ADHA EM Units Development 6 Qualification of Modules & Units 15 15

16. ADHA Current Status 11 COUNTRIES GEO RETURN 14M of ADHA activities* * on-going, committed or in preparation activities 16 16

17. EDHPC Paper 17 17

18. Conclusion Life isn t about finding pieces of a puzzle. It is about creating and putting those exceptional pieces together Circa 14MC are today engaged to create and put the different pieces of the ADHA puzzle together. ADHA is certainly a fantastic technical endeavour, which will federate R&D activities in Europe, and foster cooperation & teamwork of many engineers from different disciplines 18 18