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1.9.1 Naming Convention

    Naming Convention

    OPCON Stages Examples

    OPC-LAUNCH
    OPC-ORBIT_INSERT
    OPC-STANDBY
    OPC-RENDEZVOUS
    OPC-PROXIMITY_OPS
    OPC-DOCKING
    OPC-PROP_TRANSFER
    OPC-UNDOCKING
    OPC-RETURN
    OPC-DISPOSAL

    Requirements

    IOR-<LEVEL>-<CATEGORY>-NNN

    LEVEL

    • STKR = Stakeholder Requirement
    • MISR = Mission Requirement
    • SYSR = System Requirement
    • DERR = Derived Requirement
    • VERI = Verification Requirement
    • HSWR – High Level Software Requirement
    • LSWR – Low Level Software Requirement

    CATEGORY

    Discipline grouping

    • OPEC = Operational Coverage
    • FUNC = Functional Capability
    • PERF = Performance
    • SAFT = Safety
    • COMM = Communications
    • NAVI = Navigation
    • PROP = Propulsion
    • INTF = Interface
    • OPRS = Operations
    • REGU = Regulatory

    SUB-CATEGORY

    Is not part of the Requirements ID but SUB-CATEGORY is an optional attribute inside a requirement.

    NNN

    Three-digit number identified. Need not be sequential

    Examples

    IOR-MISR-OPEC-001: IOR-Mission Requirement-Operational Coverage-001

    IOR-MISR-FUNC-004: IOR-Mission Requirement-Functional Capability-004

    IOR-SYSR-PROP-012: IOR-System Requirement-Propulsion-012

    IOR-SYSR-COMM-003: IOR-System Requirement-Communications-003

    IOR-VERI-OPEC-001: IOR-Verification Requirement-Operational Coverage-001

    ARCADIA Model Naming Convention (Very Important)

    Model objects should be readable, not coded.

    Use: <Type> – <System> – <Function>

    Examples

    1. Operational Capability:LEO Servicing
    2. Operational Activity:Perform Rendezvous
    3. System Function:Transfer Propellant
    4. Logical Function:Regulate Propellant Flow
    5. Component:Service Vehicle
    6. Interface:SV-to-Depot Mechanical Interface
    7. Exchange:State Vector Data
    8. Component:Service Vehicle
    9. Component:Orbital Depot
    10. Component:Ground Segment