1、Lessons Learned Entry: 1299Lesson Info:a71 Lesson Number: 1299a71 Lesson Date: 2002-08-09a71 Submitting Organization: GSFCa71 Submitted by: Richard FitzgeraldSubject: System Error Budget Description of Driving Event: An incomplete systems error budget resulted in confusion about test success criteri
2、a in the test cycle.Lesson(s) Learned: Care should be taken to fully define an end-to-end systems error budget for the satellite, instrument and ground system.Recommendation(s): A detailed system error budget must be developed at the time of the Systems Requirements Review. The allocations must then
3、 be configuration controlled. The error budget must be maintained, as the system and subsystem elements are developed and tested. The final error budget must reflect the actual as-built system. Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): P
4、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Sciencea71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Administration/Organizationa71 Configuration Managementa71 Flight Equipmenta71 Ground Equipmenta71 SpacecraftAdditional Info: Approval Info: a71 Approval Date: 2002-10-10a71 Approval Name: Al Galloa71 Approval Organization: GSFCa71 Approval Phone Number: 301-286-3756Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-