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EFW Verification

EFW Verification. Michael Ludlam Space Sciences Laboratory University of California, Berkeley. Requirements. Requirements flowed down to EFW via the Science Team Allocated Requirements Document (STARD) from the Mission Requirements Document (MRD)

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EFW Verification

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  1. EFW Verification Michael Ludlam Space Sciences Laboratory University of California, Berkeley

  2. Requirements • Requirements flowed down to EFW via the Science Team Allocated Requirements Document (STARD) from the Mission Requirements Document (MRD) • Includes references to the EFW Compliance Matrix, Environmental Spec, EME Spec, Contamination Control Spec, ICD, etc. • Includes Instrument Functional and Performance Requirements • An Instrument Requirements Document (RBSP_EFW_SYS_001) flows these requirements down to the EFW subsystems • Requirements linked the STARD requirements • Requirements linked to the subsystem specifications • Subsystem specifications refer to their requirements from the IRD and how the design meets those requirements • Flight and SOC Software Requirements documents flow their requirements from the IRD down to the software modules • IRD specifies how each requirement is to be verified (Test, Analysis, etc) • EFW System Engineer has validated that the subsystem specifications describe an instrument that meets all the STARD requirements.

  3. EFW Instrument Requirements Document

  4. Verification / Validation • Instrument Requirements Document (RBSP_EFW_SYS_001) identifies briefly how each requirement is verified. • Verification, Validation, Test, and Calibration Plan (RBSP_EFW_TE_001) describes a plan for how requirements are verified. • Requirements are verified as early as possible at a low level • Verifies subsystems, Retires risk • Requirements are verified at the highest level of assembly possible • Often involves verifying a requirement at several levels • System Engineer tracks Verification against IRD and documents these in the requirements verification document – RBSP_EFW_SYS_017.

  5. Key Performance Requirements

  6. Key Subsystem Requirements

  7. Verification Discussion Walk through of requirements verification document – RBSP_EFW_SYS_017

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