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Evolving Reliability and Maintainability Allocations for NASA Ground SystemsThis paper describes the methodology that was developed to allocate reliability and maintainability requirements for the NASA Ground Systems Development and Operations (GSDO) program's subsystems. As systems progressed through their design life cycle and hardware data became available, it became necessary to reexamine the previously derived allocations. Allocating is an iterative process; as systems moved beyond their conceptual and preliminary design phases this provided an opportunity for the reliability engineering team to reevaluate allocations based on updated designs and maintainability characteristics of the components. Trade-offs in reliability and maintainability were essential to ensuring the integrity of the reliability and maintainability analysis. This paper will discuss the value of modifying reliability and maintainability allocations made for the GSDO subsystems as the program nears the end of its design phase.


Document ID
20160003131
Acquisition Source
Kennedy Space Center
Document Type
Conference Paper
Authors
Munoz, Gisela (Red Canyon Software, Inc. Denver, CO, United States)
Toon, Jamie (Millennium Engineering and Integration Co. Arlington, VA, United States)
Toon, Troy (Millennium Engineering and Integration Co. Arlington, VA, United States)
Adams, Timothy C. (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Miranda, David J. (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Date Acquired
March 8, 2016
Publication Date
March 5, 2016
Subject Category
Quality Assurance And Reliability
Report/Patent Number
KSC-E-DAA-TN27588
Meeting Information
Meeting: IEEE Aerospace Conference
Location: Big Sky, MT
Country: United States
Start Date: March 5, 2016
End Date: March 12, 2016
Sponsors: Institute of Electrical and Electronics Engineers
Funding Number(s)
CONTRACT_GRANT: NNK14EA01C
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
allocations
launch availability
maintainability
ground systems
reliability

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