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Development programs and model philosophy

Development programs and model philosophy. Preliminary design program. Preliminary design review. Prototype program. Critical design review. Qualification program. Qualification review. Flight program. Flight acceptance review. Preliminary design ( system design, architectural design).

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Development programs and model philosophy

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  1. Development programs and model philosophy Preliminary design program Preliminary design review Prototype program Critical design review Qualification program Qualification review Flight program Flight acceptance review Development programs and model philosophy

  2. Preliminary design( system design, architectural design) Established at PDR: • Design choices, trade-offs • Internal and external interfaces frozen • Internal and external environment • Functions and performances • Design & performance verification program • Feasibility of critical items • EGSE and test-equipment planning Start prototype program PDR Development programs and model philosophy

  3. Critical design review Revisit PDR more accurately Documentation: • Specification, ICD, drawings • User manuals • Plans: AIV, test equipment, qualification, verification control etc FM-design ready Start qualification program CDR Development programs and model philosophy

  4. Qualification review Established at QR: • Functions and performances verified • Manufacturing / workmanship verified for launch and space environment QR Development programs and model philosophy

  5. Acceptance review Established at Flight acceptance review: • Functions and performances verified • Manufacturing / workmanship verified for acceptance • Instrument characterization and calibration AR Development programs and model philosophy

  6. Development programs and highlights Specifications frozen Interfaces frozen Environment known Trade-offs made PDR ICDs, specs, User manuals Verification control matrix Plans prototype CDR Functions, performance verified workmanship tested at Qualification-level qualification QR flight AR Functions, performance verified workmanship tested at acceptance level Instrument calibrated, characterized Development programs and model philosophy

  7. prototype qualification flight Concurrent programs for all units Unit #3 Unit #2 Unit #1 Development programs and model philosophy

  8. Shortcut to proto-flight model Specifications frozen Interfaces frozen Environment known Trade-offs made ICDs, specs, User manuals Verification control matrix Plans CDR Functions, performance verified workmanship tested at Qualification-level protoflight AR Functions, performance verified workmanship tested at acceptance level Instrument calibrated, characterized Development programs and model philosophy

  9. Development programs and model philosophy

  10. Development programs and model philosophy

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