System Requirements (spacecraft System) - System Specification Structure

System Specification Structure

A typical industry generated system specification for a spacecraft has the following structure:

• Document change record
• 1. Scope
  • 1.1 Purpose
  • 1.2 Summary description
  • 1.3 Classification
  • 1.4 Applicability
• 2. Related documents
  • 2.1 Applicable documents (incl. order of precedence)
  • 2.2 Reference documents
• 3. Functional /Performance Requirements
• 4. Support requirements
  • 4.1 Product assurance
  • 4.2 Electro-magnetic compatibility
  • 4.3 Contamination
  • 4.4 etc.
• 5. Interface requirements
  • 5.1 System interfaces
    • 5.1.1 Launcher
    • 5.1.2 Ground stations
    • 5.1.3 etc.
  • 5.2 Subsystem interfaces
    • 5.2.1 Electrical power
    • 5.2.2 Data
    • 5.2.3 etc.
• 6. Implementation requirements
  • 6.1 Configuration
  • 6.2 Budget Allocations
    • 6.2.1 Mass
    • 6.2.2 Electrical power
    • 6.2.3 etc.
• 7. Preparation for delivery
• Attachments (Abbreviation list etc.)

Each requirement paragraph consists of the requirement to be fulfilled by the product to be delivered and the verification requirement (Review of design, analysis, test, inspection).