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Specification tree

Project specifications tree &

SAVOIR Documentation tree

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G.Magistrati TEC-EDD | Documentation tree | ADCSS2015 | 20/10/2015 | Pag. 2

Specification tree for a generic project

Prime Requirements

Support Specs (GDIR, …)

PA Plan …

S/s Req Spec

System Req Spec

S/C Input to EID-A/B

ESA Requirements

SoW SRD/OIRD PA Reqs … ECSS CCSDS

Unit Req Spec

Unit Req Specs

Legenda – SoW =Statement of Work, SRD= System Req doc, SG-ICD= Space to Ground ICD, OIRD= Operation Interface Requirements Document, GDIR = Generic Design & Interfaces Document, EID= Experiment Interface Document

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G.Magistrati TEC-EDD | Documentation tree | ADCSS2015 | 20/10/2015 | Pag. 3

ESA Requirements: SRD/OIRD

Operation Requirements

Spacecraft Requirements

Specification tree : Control & Data Mngt & SW

General Reqs

Ctrl & Data Mgmt

Software

FDIR

Memory Management

S/C Control: TC/TM

Prime Requirements

Support Specs

(GDIR, …)

System Req Spec

S/C Input to EID-A/B

ICDs

CDMS Req Spec

OBC

Data Storage

RTU/RIU

Data Storage SSMM

Other subsystems

SRS (Technical spec)

Software

SSS (Boot SW)

SSS (Req. Baseline )

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G.Magistrati TEC-EDD | Documentation tree | ADCSS2015 | 20/10/2015 | Pag. 4

SAVOIR Initiative, EO Initiative for a generic SRD,…

Generic Specs

SRD/OIRD

Operation Reqs

Spacecraft Reqs

Specification tree : Control & Data Mngt & Savoir

Ctrl & Data Mgmt

Mem Mngt

S/C Control: TC/TM

Prime Requirements

System Req Spec

CDMS Req Spec

OBC

Data Storage

RTU/RIU Data Storage SSMM

SAVOIR Generic

OBC Spec (GS-001)

SAVOIR-MASAIS WG v1 + TRP Data Storage (SSMM) Spec

(draft)

Generic SRD/OIRD

SAVOIR Generic

RTU Spec (under SAG

review )

Support Specs

(GDIR, …)

CDMS reqs (to be done, section 9 of SAVOIR OBC

spec issue 6, Appendix A )

Data Storage System (DSS) reqs (issue 1 Savoir Masais WG v0)

(Input to) General Requirements (to be done)

…

…

…

Technical Notes

SAVOIR Functional Reference

Architecture TN

(TN-001)

SAVOIR P/F-P/L

interfacing, general

recommendations

SAVOIR Ground to Space I/F, general

recommendations

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G.Magistrati TEC-EDD | Documentation tree | ADCSS2015 | 20/10/2015 | Pag. 5

ESA Requirements: SRD/OIRD

Operation Requirements

Spacecraft Requirements

Specification tree : Control & Data Mngt & SW

General Reqs

Ctrl & Data Mgmt

Software

FDIR

Memory Management

S/C Control: TC/TM

Prime Requirements

ASRA TN-001 OSRA TN-XXX

Support Specs

(GDIR, …)

System Req Spec

S/C Input to EID-A/B

ICDs

CDMS Req Spec

OBC GS-001

Data Storage

RTU/RIU

Data Storage SSMM

Other subsystems

SRS (Technical spec)

Software

SSS (Boot SW)

GS-002

SSS (Req. Baseline )

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G.Magistrati TEC-EDD | Documentation tree | ADCSS2015 | 20/10/2015 | Pag. 6

Specification tree : Control & Data Mngt &

Savoir

Implementation # 3

Implementation # 2

OBC/RTU/DSS BB #1

OBC, RTU, DSS Generic Spec’s Definition of Core Functions They include: -Performances, -Interfaces, -list of ADs Modular structure Living Docs,

Specs allow Competing implementations

Product lines

SAG Projects SRDs

Tailoring /Addition

OBC/RTU/DSS Reduction of

Cost & development time, Flawless process

Adaptation, Qualification

Project Unit Spec’s

Procurement Activity

Lower level BBs

SAVOIR MASAIS

Standards

Harmo dossier, roadmaps

TRPs, GSTPs,….

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G.Magistrati TEC-EDD | Documentation tree | ADCSS2015 | 20/10/2015 | Pag. 7

SAVOIR Documentation tree: SAVOIR-TN-000

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G.Magistrati TEC-EDD | Documentation tree | ADCSS2015 | 20/10/2015 | Pag. 8

SAVOIR Documentation tree: SAVOIR-TN-000

Note: the list is intended to be up to date on http://savoir.estec.esa.int . Available documents are intended to be released on the Esa Space Software Repository http://essr.esa.int