REG NASA-LLIS-2276-2008 Lessons Learned Mass Properties Management During the Design Cycle.pdf

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1、Lessons Learned Entry: 2276Lesson Info:a71 Lesson Number: 2276a71 Lesson Date: 2008-09-4a71 Submitting Organization: GRCa71 Submitted by: Ralph Zericka71 POC Name: Eric Faykusa71 POC Email: erik.w.faykusnasa.gova71 POC Phone: 216-433-3062Subject: Mass Properties Management During the Design Cycle Ab

2、stract: The role of the mass properties manager was not fully defined among the project team members.Description of Driving Event: During the Ares 1-X Flight Test Vehicle Project the mass properties function was viewed as a reporting activity after the design activity occurred rather than reviewed a

3、s an integral part of the design process.Lesson(s) Learned: The mass properties manager should be included in the design process starting at conception and continuing through testing. Also, the mass properties should be managed by the Systems Engineering organization. In the beginning we did not hav

4、e a clear understanding of the best fit for this function. For this project, the mass properties were initially managed as a part of the Structural Mechanics function, and then later an attempt was made to manage this activity under the Test and Verification function. Finally, mass properties were m

5、anaged in the Systems Engineering organization.Recommendation(s): 1. Integrate mass properties management from the start of the design process throughout the life cycle for space flight systems. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2. Mana

6、ge mass properties through the Systems Engineering organization.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: ANSI/AIAA R-020A, American National Standard, Recommended Practice for Mass Properties Control for Satellites, Missiles, and Launch VehiclesMission Directorat

7、e(s): a71 Exploration SystemsAdditional Key Phrase(s): a71 Constellationa71 Mass PropertiesAdditional Info: a71 Project: Ares 1X Upper Stage SimulatorApproval Info: a71 Approval Date: 2010-06-07a71 Approval Name: mbella71 Approval Organization: HQProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-