Espri Concept STEP for Space

Overview of STEP Protocols for Spaceand Current Implementations: 

Overview of STEP Protocols for Space and Current Implementations Eric Lebègue - Espri Concept (Eric.Lebegue@esprico.fr) ESA / NASA Meeting NASA Goddard - July 16th, 1999

Contents: 

Contents A few words on Espri Concept Data exchange history in the European Space Industry STEP and the Space protocols map The Space Tools Suite On going activities and Conclusion

A few words on Espri Concept(http://www.espri-concept.com): 

A few words on Espri Concept (http://www.espri-concept.com) A Software Service Company from France Origins : The Space Industry Purpose : Enhancing Co-operation Expertise : Technical Data Exchange and Management Staff : 80, Turn-over (end 98) : 30 MF 4 offices : Sophia-Antipolis, Paris, Cannes, Toulouse Main customers : ESA, CNES, Alcatel Space, PSA, EDF...

Yesterday's situation in European space thermal analysis data exchange: 

Yesterday's situation in European space thermal analysis data exchange ... other CAD tools

Today : the beginning of a solution with SET (French Standard - CNES Initiative): 

Today : the beginning of a solution with SET (French Standard - CNES Initiative) ... other CAD tools

Good exchange reliability with common import/export libraries: 

Good exchange reliability with common import/export libraries ... other CAD tools

Starting today : better exchange with STEP (International Standard - ISO 10303): 

Starting today : better exchange with STEP (International Standard - ISO 10303) ... other CAD and PDM tools

Starting today : data integration around a database: 

Starting today : data integration around a database ...

STEP : a complete technology: 

STEP : a complete technology An ISO standard (10303) distributed in parts

Slide10: 

The Space STEP Protocols Map

AP203 : CAD data and product configuration: 

AP203 : CAD data and product configuration CAD BREP geometry wireframe, surfaces, exact and faceted solids available and reliable with most of CAD systems product structure and configuration contractor / supplier workflow work request, work order, actions...

AP233 System Engineering: 

AP233 System Engineering The system and functional requirements of the spacecraft

STEP-TAS : Thermal AnalysisEnd-user geometry, meshing, properties & orbits: 

STEP-TAS : Thermal Analysis End-user geometry, meshing, properties & orbits Associated Thermo-optical properties solar absorptance infra-red emitance solar and infra-red transmitance ... Triangle, rectangle, quadrilateral, disc, cylinder, cone, sphere, paraboloid… + thermal meshing

STEP-TAS : Thermal AnalysisProduct structure and kinematic: 

STEP-TAS : Thermal Analysis Product structure and kinematic

STEP-PRP : Propulsion System: 

STEP-PRP : Propulsion System simulation of propulsion systems using liquid or gas thrusters. The propulsion systems are considered as networks connecting components through connections The data can be dimensional parameters of components, functional variables, simulation parameters or simulation results.

STEP-NRFDefinition and results of Analysis, Test and Operation using Network Models: 

STEP-NRF Definition and results of Analysis, Test and Operation using Network Models Discipline independent Campaign Phases Cases Runs Nodes & nodes relationship Properties Derivation procedures Future : HDF binary format

AP232 : Technical Data Package : 

AP232 : Technical Data Package For complete delivery of data packages including documents, CAD and analysis models, analysis results...

An example of using AP232: 

An example of using AP232 Public Exchange DB URL, address export converter export converter Public Exchange DB Exchange file import/export

The Space Tools Suite: 

The Space Tools Suite A set of software tools for helping the implementation of STEP protocols for the Space Industry Funding by ESA and CNES Development, distribution and support by Espri Concept

High Level Libraries: 

High Level Libraries Hide the STEP complexity Good exchange reliability because all converters share the same library

Libraries availability: 

Libraries availability STEP-TAS : Thermal Analysis STEP-NRF : Analysis, Tests & Operations Results STEP-PRP : Propulsion

The Baghera 2000 Suite: 

The Baghera 2000 Suite HTML XML STEP

Baghera View: 

Baghera View STEP Space Protocols Visualisation : today : STEP-TAS and AP203 CC5 tomorrow : complete AP203, STEP-NRF... Exchange checking, technical data reporting, data-warehouse viewer, properties edition...

Baghera Doc / i-Web 1: 

Baghera Doc / i-Web 1 Documents management Issue, revisions, reviews… Baghera i-Web 1 : Intranet Consultation

Baghera Exchange: 

Baghera Exchange Independent of the company tools (CAD, analysis, PDM…) APIs for accessing the company data Technical Data Packages preparation and management AP232 delivery Baghera i-Web 2 : Internet Consultation HTML XML STEP

On-going activities: 

On-going activities STEP-TAS converters are under final validation and available in September for ESARAD and Thermica STEP-TAS&NRF APs standardisation within ECSS and ISO TC184 Baghera View : AP203-CC4 & CC6, STEP-NRF. Windows and Java platforms STEP-PRP AP for Propulsion (CNES): ARM is ready libraries under development Baghera Exchange : export in AP232 & XML AP232 import API Space Tools Suite distribution & support conditions definitions (prices list) Binary format for STEP with HDF (NCSA) STEP-NRF harmonisation with EDF STEP-NRF implementations (EDF-Atrides, CNES-Gaetan, Coratherm, ESATAN,Dynaworks…) Harmonisation with NASA (STEP-TAS, AP232…) ?

Conclusion: 

Conclusion STEP is ready for implementation and usage ! STEP provides efficient and reliable data exchange to support increasing co-operation across boundaries and organisations STEP based data exchange will be immediately beneficial to projects such as ISS, MSR, ISE...

Next Events and Contacts: 

Next Events and Contacts TFAWS at NASA Marshall, September 13-17 th information at http://tfaws99.msfc.nasa.gov ISO TC184/SC4 Meeting, New Orleans, October proposed special session for application of STEP to Space information at https://www.uspro.org/ STEP-TAS : http://www.espri-concept.com/step-tas TC 184/SC4 : http://www.