Mission Operation MO Services SM C-MIA Joint Meeting ESTEC

Mission Operation (MO) Services SM&C-MIA Joint Meeting ESTEC, 27 October 2009 Mario Merri, ESA

Spacecraft Monitoring & Control Working Group Distributable Mission Operations Functions Spacecraft M&C (Status, Control) Automation (Procedures, Timelines) Planning (Tasks, Goals) Mission Data (Products) Flight Dynamics (Orbit, Attitude) On-board Software Payload/Science Team Mission Control Centre Payload Data Centre Mission Operations Services: Spacecraft Manufacturer 2 27/10/2009 CCSDS SM&C-MIA Joint Meeting Organisational Boundaries Functional Boundaries System Boundaries Long-Term Data Persistence

Spacecraft Monitoring & Control Working Group Candidate Services: Information Classes § Operationally Meaningful Information Exchange: ð ð ð 3 M&C Status [Monitoring Parameter] Control Directive Event Notification Operator Interaction Automated Activity Scheduled Timeline or Activity List Planning Request: Task or Goal Flight Dynamics Trajectory and Pointing Predicted Events Mission Product Time On-board Software Image 27/10/2009 CCSDS SM&C-MIA Joint Meeting

Spacecraft Monitoring & Control Working Group MO Services Architecture (an example) User Mission Exploitation Mission Data Processing Mission Planning External User Products Planning Flt. Dyn. Reports Analysis & Reporting OB Software Management Operations Planning Flight Dynamics Software Operator Interaction Operations Automation Spacecraft M&C Proxy OB Procedure Proxy SLE-Man M&C Autom. Schedule Time Interact. OB Schedule Proxy OB Data Product Proxy OB Software Proxy OCC Location Station Scheduling Tracking & Ranging Station M&C Ground Station Spacecraft M&C OB Procedure Execution OB Schedule Execution OB Data Product Storage OB Software Spacecraft 4 27/10/2009 CCSDS SM&C-MIA Joint Meeting

Spacecraft Monitoring & Control Working Group MO Framework Layers Application Layer Consumer/Provider Common Services Functional Services Directory, Login, … M&C, Planning, Scheduling, Time, … MO Services Layer Common Object Model (COM) Identify, Definition, Occurrence, Status Message Abstraction Layer Transport Layer 5 Messaging Abstraction Layer (MAL) Generic Interaction Patterns, Access Control, Quality of Service Messaging Technology 27/10/2009 CCSDS SM&C-MIA Joint Meeting Mapping to implementation language Abstract service specification defined in terms of the COM &M AL Generic service specification defined in terms of the MAL Abstract messaging infrastructure Mapping of the MAL to encoding and transport

Spacecraft Monitoring & Control Working Group MAL Generic Interaction Patterns § Services defined in terms of a set of Operations: ð Each defined by a “conversation” between Consumer and Provider ð Messages are specific to Service and Operation but the Pattern of Message Exchange is common across many Operations ð By defining Generic Interaction Patterns, specification and implementation of individual services is simplified § MAL identifies 6 Interaction Patterns: ð ð ð 6 SEND SUBMIT REQUEST INVOKE PROGRESS PUBLISH-SUBSCRIBE 27/10/2009 CCSDS SM&C-MIA Joint Meeting

Spacecraft Monitoring & Control Working Group Service-Oriented Architecture: Plug-in Components Services Components MO Framework 7 27/10/2009 CCSDS SM&C-MIA Joint Meeting