Use of Taguchi design of experiments to optimize and increase robustness of preliminary designs

Details Use of Taguchi design of experiments to optimize and increase robustness of preliminary designs Use of Taguchi design of experiments to optimize and increase robustness of preliminary designs

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992asee....1q....c&link_type=abstract

In NASA. Johnson Space Center, National Aeronautics and Space Administration (NASA)/American Society for Engineering Education (

Mathematics

Design Analysis, Experiment Design, Habitats, Launching, Lunar Environment, Radiation Protection, Robustness (Mathematics), Solar Flares, Airlock Modules, Consumables (Spacecraft), Flight Crews, Flow Distribution, Logistics, Plumes, Vacuum Chambers

Scientific paper

The research performed this summer includes the completion of work begun last summer in support of the Air Launched Personnel Launch System parametric study, providing support on the development of the test matrices for the plume experiments in the Plume Model Investigation Team Project, and aiding in the conceptual design of a lunar habitat. After the conclusion of last years Summer Program, the Systems Definition Branch continued with the Air Launched Personnel Launch System (ALPLS) study by running three experiments defined by L27 Orthogonal Arrays. Although the data was evaluated during the academic year, the analysis of variance and the final project review were completed this summer. The Plume Model Investigation Team (PLUMMIT) was formed by the Engineering Directorate to develop a consensus position on plume impingement loads and to validate plume flowfield models. In order to obtain a large number of individual correlated data sets for model validation, a series of plume experiments was planned. A preliminary 'full factorial' test matrix indicated that 73,024 jet firings would be necessary to obtain all of the information requested. As this was approximately 100 times more firings than the scheduled use of Vacuum Chamber A would permit, considerable effort was needed to reduce the test matrix and optimize it with respect to the specific objectives of the program. Part of the First Lunar Outpost Project deals with Lunar Habitat. Requirements for the habitat include radiation protection, a safe haven for occasional solar flare storms, an airlock module as well as consumables to support 34 extra vehicular activities during a 45 day mission. The objective for the proposed work was to collaborate with the Habitat Team on the development and reusability of the Logistics Modules.

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