MOIMS Plenary CCSDS Spacecraft Monitoring & Control WG (SM&C) Workshop #02, 10-14 May 2004 Mario Merri, ESA/ESOC, Chairman

MOIMS Plenary

CCSDS Spacecraft Monitoring & Control WG (SM&C) Workshop #02, 10-14 May 2004

Mario Merri, ESA/ESOC, Chairman

MOIMS Plenary p. 2SM&C-WS#02 10-14 May 04

Agenda

Status of activityProgress to dateWhite Book: Initial resultsOutlookIssues and cross-issues


Membership (May 2004) - A strong team!

Mario Merri (ESA) – chairmanRoger Thompson (BNSC) - deputy chairmanMartin Symonds (BNSC)Brigitte Béhal (CNES)Erwann Poupart (CNES)Harald Hofmann (DLR)Klaus Gnadl (DLR)Alessandro Ercolani (ESA, PoC)Michael Schmidt (ESA, PoC)Ivan Dankiewicz (ESA/SciSys)Sam Cooper (ESA/SciSys)Takahiro Yamada (Jaxa)Amalaye Oyake (JPL)Ashton Vaughs (JPL)Peter Shames (JPL)Donald C. Lokerson (NASA/GSFC)

= has confirmed attendance to this CCSDS workshop


Progress to Date

High interaction within WG (9 telecons)Initiated cross-fertilisation with SOIS

2 telecons Produced Memorandum of Understanding

Worked on White Book 4 drafts


WB - High Level Goal

Standardisation of interfaces for Spacecraft M&C Reduced cost of Flight Components and

Ground Segment Infrastructure Enable “plug and play” Architecture with components from different Agencies,

Systems and Suppliers

Enable Mission Economies through: Interoperability with partner systems and infrastructure Risk Reduction through re-use of systems and operational concepts:

increased reliability Facilitation of Generic Software Infrastructure (On-board and Ground-based) Application of a common M&C Approach throughout all mission phases Application of a common M&C Approach to other domains (Ground Stations,

Control and Test Centres, etc.)


WB - Scope

Operational concept definition of an operational concept that covers a set of standard operations

activities related to the monitoring and control of both ground and space segments

Core Set of Services definition of an extensible set of services to support the operational concept

together with its information model and behaviours. This includes (non exhaustively) ground systems such as Automatic Command and Control, Data Product Management, Flight Dynamics, Mission Planning, Automation, and Performance Evaluation

Application-layer information definition of the standard information set to be exchanged for SM&C purposes


WB - Objectives

Define a common SM&C operational concept

Define a reference on-board and on ground architecture in close coordination with other CCSDS groups (e.g. SOIS, SEA)

Define a standard approach to service specification

Define minimum set of ground SM&C kernel functionality

Define space-to-ground application-level interface messages

Identify standard Mission Control System interfaces with M&C components: With remote software management With Mission Planning System With the Flight Dynamics System


WB - Schedule

Dec 03 Formation of WG12 Jan 04 White Book – draft 0.118 Feb 04 White Book – draft 0.25 Apr 04White Book – draft 0.330 Apr 04 White Book – draft 0.4May 04 White Book – Issue 1.0TBD Production of Blue books


WB - Service Based Architecture

Defines the interface as a “contract”

Consumer (client) unaware of providers implementation

Popular with distributed and web based systems

Service consumer Service provider

Service directory

PublishLookup

Invoke


WB - Layered Architecture

Helps modularise system

Supports reuse of components

Can only invoke lower layers

Replacement of layers is possible if combined with services

Low-levelservice

Mid-levelservice

High-levelservice

Invoke

Invoke

SLE

Service YSLE adapter

SLE


CORBA

Service YCORBA adapter

CORBA

Service YCORBA adapter

Remote Service YProvider

Standard service Y

ApplicationX

Standard service Y

SLE


SLE


Remote Service YProvider

Standard service Y

ApplicationX

Standard service Y


WB - Space System Context

Uses RASDS methodology

Defines reference system

Defines operational context

Outlines clients of the system

Outlines operational areas of the system

Highlight “interoperability” interfaces

Spacecraft A2

Agency groundstation network

Commercial groundstation network

Other groundstation network

Spacecraft BSpacecraft A1

Spacecraft controlcentre

Payload operationscentre

Externalorganisation


WB - Functional View

Defines areas of functionality

Taken from the operational context

Defines interactions between functional areas

Leads to service identification

FlightDynamics

M & C

Planning

AutomationScheduleExecution

Analysis

SoftwareManagement

Time &Location

Data ProductManagement


WB - List of Functional Areas

M&C Core Monitor and Control functional area

Automation Concerned with control and management of the automation task

Schedule Execution Component responsible for executing the schedule possibly generated by the planning component

Planning Component responsible for the planning of future events in the system

Software Management

Onboard and also ground software version control, patching and release

Flight Dynamics Orbit vector determination, event schedule production etc

Time Time correlation

Location Responsibilities include ranging, tracking, and onboard position determination

Analysis Trending and analysis

Data Product Management

Control, management, persistence and transfer of the data product produced by the other components


WB - Example: Modularity and FlexibilitySpacecraftOffline ground systems Online ground systems

FlightDynamics

M & C

Planning

AnalysisOnboardM & C

OnboardScheduleExecution

OnboardAutomation

OnboardPlanning

SoftwareManagement

SoftwareManagement



Time &Location

Offline ground systems Online ground systems Spacecraft

OnboardM & C

FlightDynamics

M & C

Planning

Automation

ScheduleExecution

Analysis

SoftwareManagement

SoftwareManagement

SoftwareManagement

Time &Location

(onboard GPS)


WB - Information flow

Key task is to identify the information objects

Elaboration of the services will identify these objects

Will also define their attributes

FlightDynamics

M & C

Planning

Automation

ScheduleExecution

PlanningRequest

Action

Activity

Schedule

Parameter

Alert


WB - Service Overview

External Node(s)

Ground Nodes

Remote Node (Spacecraft, Groundstation, Simulator etc)

Time & LocationService

SoftwareManagement Service

OperatorNotification

SM&C Service

Automation Service

Scheduling Service

Interaction Service

Flight Dynamics Service

Planning Service

File ManagementService

RemoteSM & C

RemoteSoftware

AnalysisOB SoftwareManagement

SC M & CDisplays

RemoteFile System

RemoteScheduleExecution

RemoteAutomation

RemoteAutomation

Proxy

SM & CProxy

External

RemoteSchedule

Proxy

RemoteSoftware

Proxy

RemoteFile System

Proxy

RemotePlanning

RemotePlanning

Proxy

Time & LocationProxy

RemoteTime & Location

AutomationScheduleExecution

FlightDynamics

Planning


WB - List of services

M&C Core Monitoring and Control service

Automation Activity automation management

Scheduling Activity scheduling

Interaction Operator notification and interaction

Planning Constraint and resource planning

Flight Dynamics Orbit determination, flight plan generation, and manoeuvre generation

Time Time correlation

Location Tracking, ranging, and onboard position determination services

Data Product Management

File management and transfer, both ground based and onboard

Software Management Software versioning, patching, and release


WB - Example: Core SM&C

Ground Node Remote Node

RemoteM & C

SC M & CDisplays

M & CBridge

Bridge hides the specificdetails of the serviceproviders from the serviceconsumers.The actual bridge to usedepends on the service andthe data carriers used.


WB - Example: Core SM&C

Ground Node On-board Node

Ground Station Network

RemoteM & C

SC M & CDisplays

SLESpace Link

TransportAdapter

TransportAdapter


WB - Summary

Produce CCSDS White Book Issue date is May 2004

Analysis of operational contextUse of services and layersIdentification of servicesWill lead onto definition of services

In other CCSDS books


Outlook …

The proposed (chairman) goals for the SM&C Montreal Meeting are:

Finalise the WB and pass it to MOIMS AD/CESG as "Final Draft Informational" document (to become Green Book)

Select 2-3 high priority services identified in the WB and propose them as "CCSDS Proposed Standards" to MOIMS AD/CESG together with their schedule and resource profiles

Ratify MOIMS-SOIS MoU and pass it to MOIMS AD/CESG

Finalise agreement between SM&C and OMG SDTF for public review of the XTCE standard. Propose this to MOIMS AD/CESG as a joint CCSDS-OMG project


Open Points (from last workshop)

Absence of NASA/Goddard from WG Closed with membership of D. Lokerson

Relationship with OMG Closed by CCSDS-OMG agreement

Handling of OMG XTCE standard Hopefully closed – see proposal for joint CCSDS-OMG project

Potential effort duplication with OMG Space DTF RFP-2 Hopefully closed – see joint CCSDS-OMG joint session (Wed PM)


Cross-Issues

Coordination with other Areas SOIS: 2 telecons + MoU SEA: ensured by key members (PS, TY) MOIMS/NAV: to be further developed in the context of the draft WB

Documents

MOIMS Plenary CCSDS Spacecraft Monitoring & Control WG (SM&C) Workshop #02, 10-14 May 2004 Mario Merri, ESA/ESOC, Chairman