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Overview of STEP Protocols for Space and Current Implementations Eric Lebègue - Espri Concept Overview of STEP Protocols for Space and Current Implementations Eric Lebègue - Espri Concept (Eric. [email protected] fr) ESA / NASA Meeting NASA Goddard - July 16 th, 1999 Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 1 French Space Agency European Space Agency Espri Concept

Contents Ÿ Ÿ Ÿ A few words on Espri Concept Data exchange history in Contents Ÿ Ÿ Ÿ 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 Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 2 French Space Agency European Space Agency Espri Concept

A few words on Espri Concept (http: //www. espri-concept. com) Ÿ Ÿ Ÿ Ÿ A few words on Espri Concept (http: //www. espri-concept. com) Ÿ Ÿ Ÿ Ÿ 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. . . Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 3 French Space Agency European Space Agency Espri Concept

Yesterday's situation in European space thermal analysis data exchange. . . other CAD tools Yesterday's situation in European space thermal analysis data exchange. . . other CAD tools CORATHERM (Alcatel Space) CADDS (Computervision) CATIA (Dassault Systemes) ESARAD (ESA/ESTEC) EUCLID (Matra Datavision) ESABASE (ESA/ESTEC) ESATAN (ESA/ESTEC) FLUOR (CNES) THERMICA (Matra Marconi Space) Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 4 French Space Agency European Space Agency Espri Concept

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 CADDS CORATHERM CATIA ESARAD SET-ATS EUCLID ESABASE ATS Viewer (Espri Concept) BAGHERA (CNES, Aerospatiale, Espri Concept) THERMICA FLUOR Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 5 French Space Agency European Space Agency Espri Concept

Good exchange reliability with common import/export libraries. . . other CAD tools CADDS CORATHERM Good exchange reliability with common import/export libraries. . . other CAD tools CADDS CORATHERM Standard SET Interface ATS Library CATIA ESARAD ATS Library SET-ATS EUCLID ATS Library ESABASE ATS Library ATS Viewer (Espri Concept) ATS Library THERMICA ATS Library BAGHERA (CNES, Aerospatiale, Espri Concept) ATS Library FLUOR Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 6 French Space Agency European Space Agency Espri Concept

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 CORATHERM Agile ATS-TAS Library Pro*Engineer ESARAD ATS-TAS Library CATIA THERMICA STEP EUCLID ATS-TAS Library (TAS, NRF, PRP , AP 203, 214, 209) CARAMEL ATS-TAS Library IDEAS/TMG PRP/NRF Library ATS-TAS Library Baghera View TAS/NRF/PRP Library BAGHERA 2000 NRF Library PATRAN (MSC) ESATAN NRF Library NASA tools Dynaworks (Intespace) Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 7 French Space Agency European Space Agency Espri Concept

Starting today : data integration around a database Electromechanical System & Mission Ground control Starting today : data integration around a database Electromechanical System & Mission Ground control Simulation Design Structural Analysis STEP Space Protocol Databases Antennas . . . Thermal Analysis Integration & testing Propulsion Optic Production Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 8 French Space Agency European Space Agency Espri Concept

STEP : a complete technology • An ISO standard (10303) distributed in parts Standard STEP : a complete technology • An ISO standard (10303) distributed in parts Standard data models Modelling and programming tools Physical layers Application protocols = use case of IRs (parts 200 - 299 or STEP-TAS/NRF) { { { Integrated Resources = generic and specific components (parts 41 - 199 & Space Integrated Resources) EXPRESS = Formal description of data models (part 11) SDAI = Programming standards (C, C++, IDL, JAVA…) (parts 22 - 26) ASCII format (part 21) CORBATCP/IP STEP DB Binary format ? XML Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 9 French Space Agency European Space Agency Espri Concept

The Space STEP Protocols Map System product Electrotechnical design : AP 210/AP 212 Structural The Space STEP Protocols Map System product Electrotechnical design : AP 210/AP 212 Structural Analysis : AP 209 Thermal Analysis : STEP-TAS Propulsion : STEP-PRP Mass-Centre-Inertia : STEP-MCI (subset of AP 214) Optical Analysis : NODIF Technical Data Package : AP 232 Mechanical and assembly design : AP 203/AP 214 Results of Analysis, Test & Operation Campaigns : STEP-NRF Product Configuration : AP 203 / AP 214 / PDM Schema System Engineering : AP 233 Documentation : PDF . . . definition Analysis / simulation Results and delivery Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 10 French Space Agency European Space Agency Espri Concept

AP 203 : CAD data and product configuration Ÿ CAD BREP geometry – wireframe, AP 203 : CAD data and product configuration Ÿ CAD BREP geometry – wireframe, surfaces, exact and faceted solids – available and reliable with most of CAD systems Ÿ product structure and configuration Ÿ contractor / supplier workflow – work request, work order, actions. . . Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 11 French Space Agency European Space Agency Espri Concept

AP 233 System Engineering PHYSICAL BEHAVIOR REQUIREMENT DATA FUNCTIONS CONFIGURATION MANAGEMENT GRAPHICAL REPRESENTATION *The AP 233 System Engineering PHYSICAL BEHAVIOR REQUIREMENT DATA FUNCTIONS CONFIGURATION MANAGEMENT GRAPHICAL REPRESENTATION *The system and functional requirements of the spacecraft Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 12 French Space Agency European Space Agency Espri Concept

STEP-TAS : Thermal Analysis End-user geometry, meshing, properties & orbits Triangle, rectangle, quadrilateral, disc, STEP-TAS : Thermal Analysis End-user geometry, meshing, properties & orbits Triangle, rectangle, quadrilateral, disc, cylinder, cone, sphere, paraboloid… + thermal meshing Associated Thermo-optical properties solar absorptance infra-red emitance solar and infra-red transmitance. . . Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 13 French Space Agency European Space Agency Espri Concept

STEP-TAS : Thermal Analysis Product structure and kinematic Overview of STEP Protocols for Space STEP-TAS : Thermal Analysis Product structure and kinematic Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 14 French Space Agency European Space Agency Espri Concept

STEP-PRP : Propulsion System Ÿ simulation of propulsion systems using liquid or gas thrusters. STEP-PRP : Propulsion System Ÿ simulation of propulsion systems using liquid or gas thrusters. Ÿ The propulsion systems are considered as networks connecting components through connections Ÿ The data can be dimensional parameters of components, functional variables, simulation parameters or simulation results. Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 15 French Space Agency European Space Agency Espri Concept

STEP-NRF Definition and results of Analysis, Test and Operation using Network Models *Discipline independent STEP-NRF Definition and results of Analysis, Test and Operation using Network Models *Discipline independent Ÿ Campaign Ÿ Phases Ÿ Cases Ÿ Runs Ÿ Nodes & nodes relationship Ÿ Properties Ÿ Derivation procedures *Future : HDF binary format Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 16 French Space Agency European Space Agency Espri Concept

AP 232 : Technical Data Package *For complete delivery of data packages including documents, AP 232 : Technical Data Package *For complete delivery of data packages including documents, CAD and analysis models, analysis results. . . Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 17 French Space Agency European Space Agency Espri Concept

An example of using AP 232 MS Word Autocad Radcad . . . MS An example of using AP 232 MS Word Autocad Radcad . . . MS Word Euclid Design Web / Sherpa/ Windchill. . . ESARAD . . . Agile / Baghera export converter API - Converter Public Exchange DB Baghera Exchange Public Exchange DB Exchange file import/export URL, address AP 232 Exchange File STEP-TAS Word or PDF. . . Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 18 French Space Agency European Space Agency Espri Concept

The Space Tools Suite Ÿ A set of software tools for helping the implementation The Space Tools Suite Ÿ A set of software tools for helping the implementation of STEP protocols for the Space Industry Ÿ Funding by ESA and CNES Ÿ Development, distribution and support by Espri Concept Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 19 French Space Agency European Space Agency Espri Concept

High Level Libraries Native format is loaded in End-user Applications (ex: ESARAD, TRASYS. . High Level Libraries Native format is loaded in End-user Applications (ex: ESARAD, TRASYS. . . ) calls AP EXPRES S ARM is loaded in High Level Libraries C, C++, Fortran, JAVA… (Espri Concept) calls AP EXPRES S AIM is loaded in SDAI C Library (ISO-10303 -24) (St-Developer - STEP Tools Inc. ) STEP-21 ASCII Physical file * Hide the STEP complexity * Good exchange reliability because all converters share the same library Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 20 French Space Agency European Space Agency Espri Concept

Libraries availability Ÿ STEP-TAS : Thermal Analysis Ÿ STEP-NRF : Analysis, Tests & Operations Libraries availability Ÿ STEP-TAS : Thermal Analysis Ÿ STEP-NRF : Analysis, Tests & Operations Results Ÿ STEP-PRP : Propulsion Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 21 French Space Agency European Space Agency Espri Concept

The Baghera 2000 Suite CAD Analysis File System CAD Service Analysis Service File Service The Baghera 2000 Suite CAD Analysis File System CAD Service Analysis Service File Service Baghera Documentation Management Doc Service Baghera Exchange Baghera View Data Packages Delivery Technical Data Visualisation PDM Service Baghera i-Web 1 Intranet Consultation Baghera i-Web 2 Internet Consultation HTML XML STEP Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 22 French Space Agency European Space Agency Espri Concept

Baghera View * STEP Space Protocols Visualisation : * today : STEP-TAS and AP Baghera View * STEP Space Protocols Visualisation : * today : STEP-TAS and AP 203 CC 5 * tomorrow : complete AP 203, STEP-NRF. . . * Exchange checking, technical data reporting, datawarehouse viewer, properties edition. . . Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 23 French Space Agency European Space Agency Espri Concept

Baghera Doc / i-Web 1 * Documents management * Issue, revisions, reviews… * Baghera Baghera Doc / i-Web 1 * Documents management * Issue, revisions, reviews… * Baghera i-Web 1 : Intranet Consultation Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 24 French Space Agency European Space Agency Espri Concept

Baghera Exchange CAD Analysis File System CAD Service Analysis Service File Service Documentation management Baghera Exchange CAD Analysis File System CAD Service Analysis Service File Service Documentation management System Doc Service PDM Service Baghera Exchange Data Packages Delivery Baghera i-Web 2 Internet Consultation HTML XML STEP * * * Independent of the company tools (CAD, analysis, PDM…) APIs for accessing the company data Technical Data Packages preparation and management AP 232 delivery Baghera i-Web 2 : Internet Consultation Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 25 French Space Agency European Space Agency Espri Concept

On-going activities Ÿ STEP-TAS converters are under final validation and available in September for On-going activities Ÿ STEP-TAS converters are under final validation and available in September for ESARAD and Thermica Ÿ STEP-TAS&NRF APs standardisation within ECSS and ISO TC 184 Ÿ Baghera View : AP 203 -CC 4 & CC 6, STEP-NRF. – Windows and Java platforms Ÿ STEP-PRP AP for Propulsion (CNES): – ARM is ready – libraries under development Ÿ Baghera Exchange : – export in AP 232 & XML – AP 232 import API Ÿ Ÿ 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…) Ÿ Harmonisation with NASA (STEP-TAS, AP 232…) ? Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 26 French Space Agency European Space Agency Espri Concept

Conclusion Ÿ STEP is ready for implementation and usage ! Ÿ STEP provides efficient Conclusion Ÿ STEP is ready for implementation and usage ! Ÿ STEP provides efficient and reliable data exchange to support increasing co-operation across boundaries and organisations Ÿ STEP based data exchange will be immediately beneficial to projects such as ISS, MSR, ISE. . . Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 27 French Space Agency European Space Agency Espri Concept

Next Events and Contacts Ÿ TFAWS at NASA Marshall, September 13 -17 th – Next Events and Contacts Ÿ TFAWS at NASA Marshall, September 13 -17 th – information at http: //tfaws 99. msfc. nasa. gov Ÿ ISO TC 184/SC 4 Meeting, New Orleans, October – proposed special session for application of STEP to Space – information at https: //www. uspro. org/ Ÿ STEP-TAS : http: //www. espri-concept. com/step-tas Ÿ TC 184/SC 4 : http: //www. Overview of STEP Protocols for Space and Current Implementations ESA / NASA Meeting, NASA Goddard, July 16 th, 1999 Page 28 French Space Agency European Space Agency Espri Concept