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Appendix D: Definitions of Technology Readiness Levels
Pages 80-82

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From page 80...
... TRL Definition Hardware Description Software Description Exit Criteria 1 Basic principles Scientific knowledge Scientific knowledge generated underpinning Peer reviewed observed and generated underpinning basic properties of software architecture and publication of reported. hardware technology concepts/ mathematical formulation.
From page 81...
... 5 Component A medium fidelity system/ End-to-end software elements implemented Documented and/or component brassboard and interfaced with existing systems/ test performance breadboard is built and operated simulations conforming to target demonstrating validation to demonstrate overall environment. End-to-end software system, agreement in relevant performance in a simulated tested in relevant environment, meeting with analytical environment.
From page 82...
... System has been successfully operated in the operational environment. NOTE: Generic TRL descriptions are found in NASA, NASA Systems Engineering Processes and Requirements, N PR 7123.1, Table G-19.


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