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The Implementation of Maximum Likelihood Estimation in Space Launch System Vehicle DesignThe Space Launch System uses a Maximum Likelihood Estimation process in conjunction with Design of Experiments to develop statistically representative vehicles for the Block 1 configuration. These vehicles are then used to estimate maximum load conditions for simulating stressing cases in other simulations. This paper discusses the modeling process and how SLS captures manufacturing uncertainty in the launch vehicle design. It also provides an overview of the differences between Block 1 statistical representations. This paper also discusses proper grid choice as well as which uncertainties drive the vehicle design.
Document ID
20190000734
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Stein, W. B. (Jacobs Engineering Group, Inc. Huntsville, AL, United States)
Thompson, S. B. (Jacobs Engineering Group, Inc. Huntsville, AL, United States)
Statham, T. L. (Jacobs Engineering Group, Inc. Huntsville, AL, United States)
Craig, A. S. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
February 14, 2019
Publication Date
January 13, 2019
Subject Category
Launch Vehicles And Launch Operations
Mathematical And Computer Sciences (General)
Report/Patent Number
M18-7145
AAS 19-249
Meeting Information
Meeting: AAS/AIAA Space Flight Mechanics Meeting
Location: Ka''anapali, HI
Country: United States
Start Date: January 13, 2019
End Date: January 17, 2019
Sponsors: American Astronautical Society
Funding Number(s)
CONTRACT_GRANT: 80MSFC18C0011
Distribution Limits
Public
Copyright
Public Use Permitted.

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