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SPACECRAFT ONBOARD INTERFACES SERVICES (SOIS) AREA. Chris Taylor (AD) Stuart Fowell (DAD). SOIS Area Report - Current Working Groups. Application Support Services WG Wireless WG Subnetwork Services WG (current work completed).
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SPACECRAFT ONBOARD INTERFACES SERVICES (SOIS) AREA Chris Taylor (AD) Stuart Fowell (DAD)
SOIS Area Report - Current Working Groups • Application Support Services WG • Wireless WG • Subnetwork Services WG (current work completed) The SOIS area covers onboard communication services with the intention of standardising H/W and S/W interfaces between avionics elements & devices A considerable part of our work is outside of the CCSDS where we perform a harmonising role for avionics related development
SOIS Area Report: Meeting Statistics To be updated
SOIS Area Report • Application Support Services Working Group • Goal: • Develop SOIS Application support layer services and if appropriate protocols • Working Group Status • Green Book Issue 2 (almost) ready for sending to Secretariat for CESG Poll to publish • File & Packet Store Services Magenta Book CESG Poll RIDs dispositions agreed & updated book with Secretariat for publishing • Device Data Pooling & Message Transfer Services Magenta Books CESG Poll RIDs dispositioned • Device Access Service Red Book (almost) ready for sending to Secretariat for conversion to Magenta Book at CESG Poll to publish • Device Virtualisation & Device Enumeration Services Red Books (almost) ready for sending to Secretariat for 1st Agency Review • Agreed plan for Electronic Data Sheet for Onboard Devices Blue Book & associated XML Schema • Agreed plan for Common Dictionary of Terms for Onboard Devices Blue Book & associated XML Schema
SOIS Area Report • Application Support Services WG (cont.) • Primary Objectives for the fall meeting: • Completion of SOIS Green Book Issue 2 • Finalising MTS, DAS, DDPS Magenta Books • Complete DVS & DES Red Books • Refine requirements & define plan for EDS and Common DoT books and XML • Progress • Excellent support in Darmstadt with good distribution of effort amongst partipants • SOIS Green Book Issue 2 consolidated, covering: • Revised overview of Subnetwork, TAS, DAS, DDPS, DVS, MTS, FPSS, DES services following development of books • Added overview of Device Virtualisation and Electronic Data Sheets for Onboard Devices, defining scope of work • To be sent to secretariat for CESG Poll to publish by end of April • DDPS and MTS Magenta Book CESG Poll RIDs dispositioned. Results in only editorial updates (to be done by end of April) • DES and DVS updated in line with FPSS/DDPS/MTS RIDs and alignment with agreed Device Virtualisation and Electronic Data Sheets for Onboard Devices
SOIS Area Report • Application Support Services WG (cont.) • Progress (cont.) • Clarified books to be produced for Electronic Data Sheets and plan agreed: • Electronic Data Sheets for Onboard Devices Blue book • Electronically describes: • Device-specific Access Protocol, how to access a device using subnetwork services • Functional Interface, how to access the functions provided by the device, virtualised from the access method. For example, using engineering units rather than raw values • Device Abstraction Control Procedure, mapping on the Functional Interface on to the Device-specific Access Protocol • Ancillary Information, text, figures etc. • Book describes structure and required elements within an Electronic Data Sheet • Electronic Data Sheets XML Schema • XML Schema to use for creating a device’s EDS in XML • Pulls in Common DoT XML Schema • Held by SANA • Common Dictionary of Terms for Onboard Devices Blue book • Common syntactic and semantic types used in device EDS • Common Dictionary of Terms XML Schema • XML Schema to use for creating Common DoT in XML • Held by SANA
1 1 Common Dictionary of Terms for Onboard Devices Blue Book Electronic Data Sheet for Onboard Devices Blue Book Transformation Transformation 1 1 EDS XML Schema Common DoT XML Schema 2 Generic EDS for a device type Generic EDS for a device type 3 EDS XML Instances for individual devices Generic Functional Interface per device type (future) * Priority * Standard CCSDS book * Equivalent in machine readable format
SOIS Area Report • Application Support Services WG (cont.) • Progress (cont.) • Work Plan: • 1st complete draft of Books and XML Schemas Fall 2012 meeting • Prototyping example device EDS with device-specific functional interfaces • Refine Books and XML Schemas Spring 2013 meeting • Possible prototype device EDS with generic functional interfaces • 1st Agency Review of Books and XML Schemas Fall 2013 meeting • CESG Poll for publication of Books and XML Schemas Spring 2014 meeting • Publish Books and XML Schema Summer 2014 • Resources: • 6 man months per year, inc. meeting attendance – all identified (ESA, NASA, AFRL, UKSA) • Supported by: • ESA Project prototyping XML schema and example device EDS • AFRL prototyping Common DoT XML schema and example device EDS • NASA-GSFC provision of GPS Receiver xTEDS & review support • Future work: • Release remaining Green and Magenta Books • Progress work plan on Electronic Data Sheets & Common DoT • Continue fortnightly telecons
Wireless WG SOIS Area Report • Goal: Develop wireless recommendations for onboard space applications • Working Group Summary Progress: • RFID-Based Inventory Management Systems Magenta Book in publication • Low data-rate wireless communications for spacecraft monitoring and control Magenta book (LDR MB) under completion • The SSIART (join test-bed) activity is moving forward and an administrative agreement between ESA and NASA is currently under way (Export & IPC…). To be updated • Primary Objectives for the fall meeting • Digest lessons learned from the Asset Management (AM) recommendation • Finalize Low Data Rate (LDR) Magenta Book • Refine technical architecture and the cooperation and administrative framework of the shared test bench for smart sensors (SSIART) • Review and update the next-years roadmap • Review the status of the joint Wireless for space symposium 2012
Wireless WG SOIS Area Report • Progress • Emerging needs for high data-rate wireless communications identified. Will be further investigated with consolidate the use-cases • Identified the need for additional guidance for the testing and coexistence activities associated with the introduction of wireless communications • Technical programme of the joint symposium on wireless technologies proposed to be held in North America in September 2012 • Future Work • Publish Low Data Rate (LDR) Magenta Book • Consolidate proposal for work plan on high rate wireless transmission • Conclude on the need for additional guidance to users on the application of wireless technology and propose work plan accordingly • Continue with the definition and usage of the SSIART • Continue fortnightly telecons To be updated
Cross Area Meetings: SOIS APP and MOIMS SM&C SOIS presentation on use of Electronic Data Sheets in spacecraft development process Definition of interface to devices, not device functionality Exploration as to where data from Electronic Data Sheets are used, e.g. spacecraft database, device simulators, TM/TC databases Exploration as to what structures XTCE & MO Services MAL have that are of benefit for use in Electronic Data Sheets Agreed to meet again in Fall 2012 meeting to update on progress of Electronic Data Sheets and XTCE SOIS Area Report
ASWG Device Virtualisation, EDS and PnP Architectures updated and consolidated to cover NASA, AIAA and ESA avionics FPSS, MTS, DAS ready for publication Green Book Issue 2 and DES approaching ready for publication DVS approaching ready for agency review File and Packet Store CESG poll to publish delayed at late stage due to CESG comments Wireless WG RFID Magenta submitted under publication Low rate wireless sensor network approaching completion, export and ITAR clearance requested for test-bed cooperation General Concern:Future ESA effort under review and needs to be confirmed SOIS Area Report: Summary To be updated