EuroSim New developments on a proven realtime simulator environment

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EuroSimNew developments on a proven real-time
simulator environment

• Robert de Vries, Dutch Space
• 7 November 2006
• SESP 2006, ESTEC

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EuroSimNew developments on a proven real-time
simulator environment

• EuroSim is a cost-effective simulation
  infrastructure
• EuroSim is a specialized real-time simulation
  infrastructure
• EuroSim has an impressive track record
• EuroSim lets existing models interface with SMP2
  models
• Customer demand drives new developments in EuroSim

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EuroSim is a specialized real-time simulation
infrastructure

• EuroSim fits ECSS reference architecture for Test
  Facilities
• EuroSim provides all required interfaces
• EuroSim offers a wide range of features
• EuroSim has excellent real-time performance
• EuroSim has a very well designed GUI

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EuroSim offers simulation infrastructure
compliant with ECSS reference architecture
EuroSim
Ref ECSS E10 part 13 System modeling and
simulation
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EuroSim provides all required interfaces

• Models
• System database
• Hardware under test (through Front-end Equipment)
• OBSW under test
• TM/TC links
• 3D Graphics
• User (GUI)
• Test Supervisor

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EuroSim offers a wide range of features

• Model Development
• Model Integration
• Scheduling
• Test Preparation
• Test Execution
• Test Analysis

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EuroSim has excellent real-time performance

• Interface with hardware given a strict timing
  requirement
• Data bus of spacecraft
• Man in the loop for training
• Supported platforms
• Linux x86
• SGI MIPS
• Performance
• lt 50 µs clock jitter
• 1000 Hz maximum clock frequency
• lt 500 µs interrupt response times

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EuroSim has an impressive track record

• ERA simulation facility
• ATV test facilities
• Herschel-Planck ACMS test facility
• Generic AOCS simulator
• Embedded Training F16
• Galileo Ground Segment test facilities
• Virtual Spacecraft Reference Facility

Photo ESA
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EuroSim lets existing models interface with SMP2
models

• EuroSim is SMP2 Compliant
• EuroSim offers integration tools for existing
  simulation models

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EuroSim is SMP2 Compliant

• Catalogue Editor
• Catalogue Validator
• Automatic Code Generator
• Run-time support

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EuroSim offers integration tools for existing
simulation models

• Data flow based integration
• Data can be exchanged between models written in
  different programming languages or between
  EuroSim native, SMP1 and SMP2 models
• Exchanges are explicitly scheduled

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Customer demand drives new developments in
EuroSim Mk4

• Calibration support
• Web interface
• Scripting Interfaces
• Java models

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New Developments in Mk4 Calibration

• Calibration Editor GUI
• Calibration API

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New Developments in Mk4 Web Interface

• Remote Access to Simulator
• Web browser based (java applet)
• Firewall compatible

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New Developments in Mk4 More Scripting
Interfaces

• Run-time control over simulation runs so that you
  can do simulation runs unattended
• Script support for
• Tcl
• Python
• Java
• Perl (since Mk2.4)

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New Developments in Mk4 Java Models

• Adds the ability to run models written in Java 5
  (1.5)
• Uses Sun Java Virtual Machine
• Uses annotations to add documentation to
  published variables and entrypoints
• Reflection based publication

import esimJava. public class example
_at_eurosim(description"Area", unit"m2")
public int a 1 _at_eurosim(description"const
ructor of example") public example() a
a 4 EsimRuntime.esimMessage("a " a)

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EuroSim is a cost-effective simulation
infrastructure

• Meet us for a demonstration on the EuroSim stand
  in the Einstein room
• More information can be found on the web site
  www.eurosim.nl