NunoSebastião (OPS-GIC), Mauro Pecchioli (OPS-GIC), VemundReggestad(OPS-GD), Catherine Lannes(OPS-GIB)

Simulator Infrastructure Strategic Directions

OPS-G Forum 07 November 2008 Slide 2

A strategy is a plan of action designed to achieve a particular set of goals

Wikipedia

Meet Client Needs

Reduce Time and Cost

Foster European Industry

Our Goals

Concrete Actions to Achieve Goals

  Client Needs   Long Term Maintainability   Functional Richness (Advanced Visualisation)

  Performance   Simulus based Operational Sims as a High Precision Test Data

Generator   Harmonized tools supporting Ground Segment use   Station Behavioral Simulator

  Validation Environment for On-Board S/W Patches and Control Procedures

  Reduce Time and Development Costs   SMP2 – De Facto Aerospace Simulation Modeling Standard   Reference Architecture

  Library of Reusable Models   UMF – Universal Modeling Framework   UMF as an Integral part of MOSAIC

  Foster European Industry   SIMULUS at the Heart of ESTEC CDF   QerX

  Spacebel FFTB

  Summary

Simulation Infrastructure U

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od

ellin

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Fram

ew

ork (U

MF)

Simsat Runtime

Space Models (Generic Models, Emulators,

Specific Models)

Simulator Reference Architecture

Ground Models (Station back-end, Control Center)

GSTVi

Multi-purpose Operational Simulator

Simulus Tevalis UMF

Goal 1 – Meet Client Needs

Long Term Maintainability

  Well defined interface between simulators and infrastructure (SMP2)

  Migration driven by H/W and OS changes, not by infrastructure software

  A micro Kernel type of architecture similar to Linux

  Os Independent- Running on Linux (RedHat, SUSE, Ubuntu), Apple, Windows

  Well defined maintenance process

Functional Richness

Performance

• Distributed Simulators based on SIMSAT. SWARM distribution to be retrofitted to SIMSAT

• OPS-GD conducting study on advanced simulation scheduling techniques

• New technology Emulator developed by Scisys. Will be delivered as part of GAIA Operational Simulator

High Precision Test Data Generator

SIMSAT

Operational S/C Simulator

Flight Dynamics Systems Simulated Systems/HPTDG

FDSDIF

LAN Data Handling OBSW

TC Path

TM Path

Harmonized Tools Supporting Ground Segment

EGSE/FEE

Spacecraft

Ground System under Test

GSTVi Component

AIV System

Real Systems Simulated Systems

TEVALIS (GSTVi)- The big picture

Station Behavioral Model

Station Behavioral Model

Whitebox – OBSW

  troubleshooting Environment of On Board Software using the Operational Simulator

  View and control the details of software execution in a "symbolic debugger" mode.

  Capability to execute the software in a realistic "mission environment“

`

Emulator

S/C Model

MCS/NCTRS

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Goal 2 – Reduce Time and Development Costs

SMP2 – De Facto Aerospace Simulation Modeling Standard

Library of Reusable Models

GAIA

SWARM

Vertical Approach

Sentinels/ BC

OPS-GI/GD

Phase A

Horizontal Approach

Phase B Phase C Phase D

TEC-SW

Library of Generic and Reusable Models

 Library of Models to include:   Current Generic Models

  All models developed at ESOC fitting with REFA

 Reference Models received from previous phases   Developed at ESTEC, e.g. SIMVIZ,

SVF.

  Initial set of models to be contributed by SWARM

UMF – Universal Modeling Framework

 SMP2 levels the playing field.   Enables reuse of models across simulation kernels   Standardises development approach

 UMF Modelling Framework   A common Modeling environment to be used allowing

proprietary/specific runtime environments   The de facto tool for the modeling and assembling of SMP2

elements.   Will be released under a open source license so that all

interested parties can contribute to its development (coordinated by ESA).

  Foster the community development around SMP2

UMF and MOSAIC

  MOSAIC: A matlab based simulation development environment

  Two tools developed by independent organizations (ESA/ESOC and NLR)

  Exchange of know how and experience

  Tool Integration already in Simsat 4.2

  Future: Tighter integration of the two tools

Goal 3 – Foster European Industry

Different OS Baselines

Linux MIE

SIMSAT 4

SIMULUS

SMP2

Ground GENM

Windows Designer

SIMSAT 2

SIMVIZ

SMP2

COM/Excel Models

Simsat validation under windows.

A new Emulator QerX

  150+ MIPS

  New Technology

Host CPU CPU Freq(GHz) Word size (bits) GCC ESOC Emulator Integer

performance (Mips)

Measured performance, unmodified ERC32 emulator V1.8.2

P4 3.00 32 3.4.2. 16.6

Xeon 3.66 64 3.3.3 34.8

Core 2 2.40 64 3.3.3 45.9

Measured performance, Emu V1.8.2 + Subset of Optimisations

P4 3.00 32 3.4.2. 20.8

Xeon 3.66 64 3.3.3 46.0

Core 2 2.40 64 3.3.3 60.3

Measured performance, Emu V1.8.2 + Subset of Optimisations using GCC 4

P4 3.00 64 4.1.2 42.7

Core 2 1.66 64 4.1.2 45.9

SpaceBel FFTB

  Formation Flying Test Bed

  A GSTP exercise to demonstrate SMP2 and SIMSAT in the context of Software Verification Facilities Environments (SVF)

  Involving Hardware in the loop

  Fruitful collaboration in the areas of SMP2 Modeling, Scheduling and Model reuse

OPS-G Forum 15 January 2008

Future of ESOC Simulators

Summary

Simulation Infrastructure Evolution

Simulation Infrastructure

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Today Yesterday Tomorrow

OPS-G Forum 18 September 2009

Thank you for your attention !

Let’s continue to simulate in

the future

OPS-G Forum 18 September 2009

BACKUPS

Station Behavioral Simulator